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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / drivers / misc / sony-laptop.c
blobd5dd2e7d6dbc4ec6a50832c521bd2724c7ff90da
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 "0.6"
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, /* 0 no event */
150 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
151 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
152 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
153 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
154 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
155 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
156 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
157 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
158 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
159 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
160 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
161 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
162 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
163 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
164 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
165 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
166 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
167 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
168 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
169 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
170 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
171 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
172 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
173 17, /* 24 SONYPI_EVENT_FNKEY_1 */
174 18, /* 25 SONYPI_EVENT_FNKEY_2 */
175 19, /* 26 SONYPI_EVENT_FNKEY_D */
176 20, /* 27 SONYPI_EVENT_FNKEY_E */
177 21, /* 28 SONYPI_EVENT_FNKEY_F */
178 22, /* 29 SONYPI_EVENT_FNKEY_S */
179 23, /* 30 SONYPI_EVENT_FNKEY_B */
180 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
181 25, /* 32 SONYPI_EVENT_PKEY_P1 */
182 26, /* 33 SONYPI_EVENT_PKEY_P2 */
183 27, /* 34 SONYPI_EVENT_PKEY_P3 */
184 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
185 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
186 -1, /* 37 SONYPI_EVENT_LID_OPENED */
187 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
188 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
189 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
190 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
191 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
192 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
193 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
194 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
195 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
196 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
197 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
198 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
199 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
200 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
201 43, /* 52 SONYPI_EVENT_MEYE_FACE */
202 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
203 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
204 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
205 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
206 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
207 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
208 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
209 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
210 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
211 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
212 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
213 };
214
215 static int sony_laptop_input_keycode_map[] = {
216 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
217 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
218 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
219 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
220 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
221 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
222 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
223 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
224 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
225 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
226 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
227 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
228 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
229 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
230 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
231 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
232 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
233 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
234 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
235 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
236 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
237 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
238 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
239 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
240 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
241 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
242 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
243 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
244 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
245 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
246 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
247 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
248 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
249 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
250 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
251 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
252 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
253 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
254 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
255 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
256 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
257 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
258 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
259 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
260 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
261 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
262 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
263 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
264 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
265 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
266 KEY_ZOOMOUT /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
267 };
268
269 /* release buttons after a short delay if pressed */
270 static void do_sony_laptop_release_key(struct work_struct *work)
271 {
272 struct sony_laptop_keypress kp;
273
274 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
275 sizeof(kp)) == sizeof(kp)) {
276 msleep(10);
277 input_report_key(kp.dev, kp.key, 0);
278 input_sync(kp.dev);
279 }
280 }
281 static DECLARE_WORK(sony_laptop_release_key_work,
282 do_sony_laptop_release_key);
283
284 /* forward event to the input subsystem */
285 static void sony_laptop_report_input_event(u8 event)
286 {
287 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
288 struct input_dev *key_dev = sony_laptop_input.key_dev;
289 struct sony_laptop_keypress kp = { NULL };
290
291 if (event == SONYPI_EVENT_FNKEY_RELEASED) {
292 /* Nothing, not all VAIOs generate this event */
293 return;
294 }
295
296 /* report events */
297 switch (event) {
298 /* jog_dev events */
299 case SONYPI_EVENT_JOGDIAL_UP:
300 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
301 input_report_rel(jog_dev, REL_WHEEL, 1);
302 input_sync(jog_dev);
303 return;
304
305 case SONYPI_EVENT_JOGDIAL_DOWN:
306 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
307 input_report_rel(jog_dev, REL_WHEEL, -1);
308 input_sync(jog_dev);
309 return;
310
311 /* key_dev events */
312 case SONYPI_EVENT_JOGDIAL_PRESSED:
313 kp.key = BTN_MIDDLE;
314 kp.dev = jog_dev;
315 break;
316
317 default:
318 <<<<<<< HEAD:drivers/misc/sony-laptop.c
319 if (event > ARRAY_SIZE(sony_laptop_input_index)) {
320 =======
321 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
322 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/misc/sony-laptop.c
323 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
324 break;
325 }
326 if (sony_laptop_input_index[event] != -1) {
327 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
328 if (kp.key != KEY_UNKNOWN)
329 kp.dev = key_dev;
330 }
331 break;
332 }
333
334 if (kp.dev) {
335 input_report_key(kp.dev, kp.key, 1);
336 /* we emit the scancode so we can always remap the key */
337 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
338 input_sync(kp.dev);
339 kfifo_put(sony_laptop_input.fifo,
340 (unsigned char *)&kp, sizeof(kp));
341
342 if (!work_pending(&sony_laptop_release_key_work))
343 queue_work(sony_laptop_input.wq,
344 &sony_laptop_release_key_work);
345 } else
346 dprintk("unknown input event %.2x\n", event);
347 }
348
349 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
350 {
351 struct input_dev *jog_dev;
352 struct input_dev *key_dev;
353 int i;
354 int error;
355
356 /* don't run again if already initialized */
357 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
358 return 0;
359
360 /* kfifo */
361 spin_lock_init(&sony_laptop_input.fifo_lock);
362 sony_laptop_input.fifo =
363 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
364 &sony_laptop_input.fifo_lock);
365 if (IS_ERR(sony_laptop_input.fifo)) {
366 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
367 error = PTR_ERR(sony_laptop_input.fifo);
368 goto err_dec_users;
369 }
370
371 /* init workqueue */
372 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
373 if (!sony_laptop_input.wq) {
374 printk(KERN_ERR DRV_PFX
375 "Unabe to create workqueue.\n");
376 error = -ENXIO;
377 goto err_free_kfifo;
378 }
379
380 /* input keys */
381 key_dev = input_allocate_device();
382 if (!key_dev) {
383 error = -ENOMEM;
384 goto err_destroy_wq;
385 }
386
387 key_dev->name = "Sony Vaio Keys";
388 key_dev->id.bustype = BUS_ISA;
389 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
390 key_dev->dev.parent = &acpi_device->dev;
391
392 /* Initialize the Input Drivers: special keys */
393 set_bit(EV_KEY, key_dev->evbit);
394 set_bit(EV_MSC, key_dev->evbit);
395 set_bit(MSC_SCAN, key_dev->mscbit);
396 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
397 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
398 key_dev->keycode = &sony_laptop_input_keycode_map;
399 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
400 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
401 set_bit(sony_laptop_input_keycode_map[i],
402 key_dev->keybit);
403 }
404 }
405
406 error = input_register_device(key_dev);
407 if (error)
408 goto err_free_keydev;
409
410 sony_laptop_input.key_dev = key_dev;
411
412 /* jogdial */
413 jog_dev = input_allocate_device();
414 if (!jog_dev) {
415 error = -ENOMEM;
416 goto err_unregister_keydev;
417 }
418
419 jog_dev->name = "Sony Vaio Jogdial";
420 jog_dev->id.bustype = BUS_ISA;
421 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
422 key_dev->dev.parent = &acpi_device->dev;
423
424 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
425 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
426 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
427
428 error = input_register_device(jog_dev);
429 if (error)
430 goto err_free_jogdev;
431
432 sony_laptop_input.jog_dev = jog_dev;
433
434 return 0;
435
436 err_free_jogdev:
437 input_free_device(jog_dev);
438
439 err_unregister_keydev:
440 input_unregister_device(key_dev);
441 /* to avoid kref underflow below at input_free_device */
442 key_dev = NULL;
443
444 err_free_keydev:
445 input_free_device(key_dev);
446
447 err_destroy_wq:
448 destroy_workqueue(sony_laptop_input.wq);
449
450 err_free_kfifo:
451 kfifo_free(sony_laptop_input.fifo);
452
453 err_dec_users:
454 atomic_dec(&sony_laptop_input.users);
455 return error;
456 }
457
458 static void sony_laptop_remove_input(void)
459 {
460 /* cleanup only after the last user has gone */
461 if (!atomic_dec_and_test(&sony_laptop_input.users))
462 return;
463
464 /* flush workqueue first */
465 flush_workqueue(sony_laptop_input.wq);
466
467 /* destroy input devs */
468 input_unregister_device(sony_laptop_input.key_dev);
469 sony_laptop_input.key_dev = NULL;
470
471 if (sony_laptop_input.jog_dev) {
472 input_unregister_device(sony_laptop_input.jog_dev);
473 sony_laptop_input.jog_dev = NULL;
474 }
475
476 destroy_workqueue(sony_laptop_input.wq);
477 kfifo_free(sony_laptop_input.fifo);
478 }
479
480 /*********** Platform Device ***********/
481
482 static atomic_t sony_pf_users = ATOMIC_INIT(0);
483 static struct platform_driver sony_pf_driver = {
484 .driver = {
485 .name = "sony-laptop",
486 .owner = THIS_MODULE,
487 }
488 };
489 static struct platform_device *sony_pf_device;
490
491 static int sony_pf_add(void)
492 {
493 int ret = 0;
494
495 /* don't run again if already initialized */
496 if (atomic_add_return(1, &sony_pf_users) > 1)
497 return 0;
498
499 ret = platform_driver_register(&sony_pf_driver);
500 if (ret)
501 goto out;
502
503 sony_pf_device = platform_device_alloc("sony-laptop", -1);
504 if (!sony_pf_device) {
505 ret = -ENOMEM;
506 goto out_platform_registered;
507 }
508
509 ret = platform_device_add(sony_pf_device);
510 if (ret)
511 goto out_platform_alloced;
512
513 return 0;
514
515 out_platform_alloced:
516 platform_device_put(sony_pf_device);
517 sony_pf_device = NULL;
518 out_platform_registered:
519 platform_driver_unregister(&sony_pf_driver);
520 out:
521 atomic_dec(&sony_pf_users);
522 return ret;
523 }
524
525 static void sony_pf_remove(void)
526 {
527 /* deregister only after the last user has gone */
528 if (!atomic_dec_and_test(&sony_pf_users))
529 return;
530
531 platform_device_del(sony_pf_device);
532 platform_device_put(sony_pf_device);
533 platform_driver_unregister(&sony_pf_driver);
534 }
535
536 /*********** SNC (SNY5001) Device ***********/
537
538 /* the device uses 1-based values, while the backlight subsystem uses
539 0-based values */
540 #define SONY_MAX_BRIGHTNESS 8
541
542 #define SNC_VALIDATE_IN 0
543 #define SNC_VALIDATE_OUT 1
544
545 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
546 char *);
547 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
548 const char *, size_t);
549 static int boolean_validate(const int, const int);
550 static int brightness_default_validate(const int, const int);
551
552 struct sony_nc_value {
553 char *name; /* name of the entry */
554 char **acpiget; /* names of the ACPI get function */
555 char **acpiset; /* names of the ACPI set function */
556 int (*validate)(const int, const int); /* input/output validation */
557 int value; /* current setting */
558 int valid; /* Has ever been set */
559 int debug; /* active only in debug mode ? */
560 struct device_attribute devattr; /* sysfs atribute */
561 };
562
563 #define SNC_HANDLE_NAMES(_name, _values...) \
564 static char *snc_##_name[] = { _values, NULL }
565
566 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
567 { \
568 .name = __stringify(_name), \
569 .acpiget = _getters, \
570 .acpiset = _setters, \
571 .validate = _validate, \
572 .debug = _debug, \
573 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
574 }
575
576 #define SNC_HANDLE_NULL { .name = NULL }
577
578 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
579
580 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
581 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
582
583 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
584 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
585
586 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
587 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
588
589 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
590 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
591
592 SNC_HANDLE_NAMES(lidstate_get, "GLID");
593
594 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
595 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
596
597 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
598 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
599
600 SNC_HANDLE_NAMES(PID_get, "GPID");
601
602 SNC_HANDLE_NAMES(CTR_get, "GCTR");
603 SNC_HANDLE_NAMES(CTR_set, "SCTR");
604
605 SNC_HANDLE_NAMES(PCR_get, "GPCR");
606 SNC_HANDLE_NAMES(PCR_set, "SPCR");
607
608 SNC_HANDLE_NAMES(CMI_get, "GCMI");
609 SNC_HANDLE_NAMES(CMI_set, "SCMI");
610
611 static struct sony_nc_value sony_nc_values[] = {
612 SNC_HANDLE(brightness_default, snc_brightness_def_get,
613 snc_brightness_def_set, brightness_default_validate, 0),
614 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
615 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
616 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
617 boolean_validate, 0),
618 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
619 boolean_validate, 1),
620 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
621 boolean_validate, 0),
622 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
623 boolean_validate, 0),
624 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
625 boolean_validate, 0),
626 /* unknown methods */
627 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
628 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
629 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
630 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
631 SNC_HANDLE_NULL
632 };
633
634 static acpi_handle sony_nc_acpi_handle;
635 static struct acpi_device *sony_nc_acpi_device = NULL;
636
637 /*
638 * acpi_evaluate_object wrappers
639 */
640 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
641 {
642 struct acpi_buffer output;
643 union acpi_object out_obj;
644 acpi_status status;
645
646 output.length = sizeof(out_obj);
647 output.pointer = &out_obj;
648
649 status = acpi_evaluate_object(handle, name, NULL, &output);
650 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
651 *result = out_obj.integer.value;
652 return 0;
653 }
654
655 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
656
657 return -1;
658 }
659
660 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
661 int *result)
662 {
663 struct acpi_object_list params;
664 union acpi_object in_obj;
665 struct acpi_buffer output;
666 union acpi_object out_obj;
667 acpi_status status;
668
669 params.count = 1;
670 params.pointer = &in_obj;
671 in_obj.type = ACPI_TYPE_INTEGER;
672 in_obj.integer.value = value;
673
674 output.length = sizeof(out_obj);
675 output.pointer = &out_obj;
676
677 status = acpi_evaluate_object(handle, name, &params, &output);
678 if (status == AE_OK) {
679 if (result != NULL) {
680 if (out_obj.type != ACPI_TYPE_INTEGER) {
681 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
682 "return type\n");
683 return -1;
684 }
685 *result = out_obj.integer.value;
686 }
687 return 0;
688 }
689
690 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
691
692 return -1;
693 }
694
695 /*
696 * sony_nc_values input/output validate functions
697 */
698
699 /* brightness_default_validate:
700 *
701 * manipulate input output values to keep consistency with the
702 * backlight framework for which brightness values are 0-based.
703 */
704 static int brightness_default_validate(const int direction, const int value)
705 {
706 switch (direction) {
707 case SNC_VALIDATE_OUT:
708 return value - 1;
709 case SNC_VALIDATE_IN:
710 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
711 return value + 1;
712 }
713 return -EINVAL;
714 }
715
716 /* boolean_validate:
717 *
718 * on input validate boolean values 0/1, on output just pass the
719 * received value.
720 */
721 static int boolean_validate(const int direction, const int value)
722 {
723 if (direction == SNC_VALIDATE_IN) {
724 if (value != 0 && value != 1)
725 return -EINVAL;
726 }
727 return value;
728 }
729
730 /*
731 * Sysfs show/store common to all sony_nc_values
732 */
733 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
734 char *buffer)
735 {
736 int value;
737 struct sony_nc_value *item =
738 container_of(attr, struct sony_nc_value, devattr);
739
740 if (!*item->acpiget)
741 return -EIO;
742
743 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
744 return -EIO;
745
746 if (item->validate)
747 value = item->validate(SNC_VALIDATE_OUT, value);
748
749 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
750 }
751
752 static ssize_t sony_nc_sysfs_store(struct device *dev,
753 struct device_attribute *attr,
754 const char *buffer, size_t count)
755 {
756 int value;
757 struct sony_nc_value *item =
758 container_of(attr, struct sony_nc_value, devattr);
759
760 if (!item->acpiset)
761 return -EIO;
762
763 if (count > 31)
764 return -EINVAL;
765
766 value = simple_strtoul(buffer, NULL, 10);
767
768 if (item->validate)
769 value = item->validate(SNC_VALIDATE_IN, value);
770
771 if (value < 0)
772 return value;
773
774 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
775 return -EIO;
776 item->value = value;
777 item->valid = 1;
778 return count;
779 }
780
781
782 /*
783 * Backlight device
784 */
785 static int sony_backlight_update_status(struct backlight_device *bd)
786 {
787 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
788 bd->props.brightness + 1, NULL);
789 }
790
791 static int sony_backlight_get_brightness(struct backlight_device *bd)
792 {
793 int value;
794
795 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
796 return 0;
797 /* brightness levels are 1-based, while backlight ones are 0-based */
798 return value - 1;
799 }
800
801 static struct backlight_device *sony_backlight_device;
802 static struct backlight_ops sony_backlight_ops = {
803 .update_status = sony_backlight_update_status,
804 .get_brightness = sony_backlight_get_brightness,
805 };
806
807 /*
808 * New SNC-only Vaios event mapping to driver known keys
809 */
810 struct sony_nc_event {
811 u8 data;
812 u8 event;
813 };
814
815 static struct sony_nc_event *sony_nc_events;
816
817 /* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence
818 * for Fn keys
819 */
820 static int sony_nc_C_enable(const struct dmi_system_id *id)
821 {
822 int result = 0;
823
824 printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident);
825
826 sony_nc_events = id->driver_data;
827
828 if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0
829 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0
830 || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0
831 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0
832 || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0
833 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) {
834 printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some "
835 "functionalities may be missing\n");
836 return 1;
837 }
838 return 0;
839 }
840
841 static struct sony_nc_event sony_C_events[] = {
842 { 0x81, SONYPI_EVENT_FNKEY_F1 },
843 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
844 { 0x85, SONYPI_EVENT_FNKEY_F5 },
845 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
846 { 0x86, SONYPI_EVENT_FNKEY_F6 },
847 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
848 { 0x87, SONYPI_EVENT_FNKEY_F7 },
849 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
850 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
851 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
852 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
853 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
854 { 0, 0 },
855 };
856
857 /* SNC-only model map */
858 static const struct dmi_system_id sony_nc_ids[] = {
859 {
860 .ident = "Sony Vaio FE Series",
861 .callback = sony_nc_C_enable,
862 .driver_data = sony_C_events,
863 .matches = {
864 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
865 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"),
866 },
867 },
868 {
869 .ident = "Sony Vaio FZ Series",
870 .callback = sony_nc_C_enable,
871 .driver_data = sony_C_events,
872 .matches = {
873 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
874 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"),
875 },
876 },
877 {
878 .ident = "Sony Vaio C Series",
879 .callback = sony_nc_C_enable,
880 .driver_data = sony_C_events,
881 .matches = {
882 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
883 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"),
884 },
885 },
886 {
887 .ident = "Sony Vaio N Series",
888 .callback = sony_nc_C_enable,
889 .driver_data = sony_C_events,
890 .matches = {
891 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
892 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-N"),
893 },
894 },
895 { }
896 };
897
898 /*
899 * ACPI callbacks
900 */
901 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
902 {
903 struct sony_nc_event *evmap;
904 u32 ev = event;
905 int result;
906
907 if (ev == 0x92) {
908 /* read the key pressed from EC.GECR
909 * A call to SN07 with 0x0202 will do it as well respecting
910 * the current protocol on different OSes
911 *
912 * Note: the path for GECR may be
913 * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
914 * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
915 *
916 * TODO: we may want to do the same for the older GHKE -need
917 * dmi list- so this snippet may become one more callback.
918 */
919 if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
920 dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
921 else
922 ev = result & 0xFF;
923 }
924
925 if (sony_nc_events)
926 for (evmap = sony_nc_events; evmap->event; evmap++) {
927 if (evmap->data == ev) {
928 ev = evmap->event;
929 break;
930 }
931 }
932
933 dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
934 sony_laptop_report_input_event(ev);
935 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
936 }
937
938 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
939 void *context, void **return_value)
940 {
941 struct acpi_namespace_node *node;
942 union acpi_operand_object *operand;
943
944 node = (struct acpi_namespace_node *)handle;
945 operand = (union acpi_operand_object *)node->object;
946
947 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,
948 (u32) operand->method.param_count);
949
950 return AE_OK;
951 }
952
953 /*
954 * ACPI device
955 */
956 static int sony_nc_resume(struct acpi_device *device)
957 {
958 struct sony_nc_value *item;
959
960 for (item = sony_nc_values; item->name; item++) {
961 int ret;
962
963 if (!item->valid)
964 continue;
965 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
966 item->value, NULL);
967 if (ret < 0) {
968 printk("%s: %d\n", __FUNCTION__, ret);
969 break;
970 }
971 }
972
973 /* set the last requested brightness level */
974 if (sony_backlight_device &&
975 !sony_backlight_update_status(sony_backlight_device))
976 printk(KERN_WARNING DRV_PFX "unable to restore brightness level");
977
978 /* re-initialize models with specific requirements */
979 dmi_check_system(sony_nc_ids);
980
981 return 0;
982 }
983
984 static int sony_nc_add(struct acpi_device *device)
985 {
986 acpi_status status;
987 int result = 0;
988 acpi_handle handle;
989 struct sony_nc_value *item;
990
991 printk(KERN_INFO DRV_PFX "%s v%s.\n",
992 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
993
994 sony_nc_acpi_device = device;
995 strcpy(acpi_device_class(device), "sony/hotkey");
996
997 sony_nc_acpi_handle = device->handle;
998
999 /* read device status */
1000 result = acpi_bus_get_status(device);
1001 /* bail IFF the above call was successful and the device is not present */
1002 if (!result && !device->status.present) {
1003 dprintk("Device not present\n");
1004 result = -ENODEV;
1005 goto outwalk;
1006 }
1007
1008 if (debug) {
1009 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1010 1, sony_walk_callback, NULL, NULL);
1011 if (ACPI_FAILURE(status)) {
1012 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1013 result = -ENODEV;
1014 goto outwalk;
1015 }
1016 }
1017
1018 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1019 * should be respected as we already checked for the device presence above */
1020 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1021 dprintk("Invoking _INI\n");
1022 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1023 NULL, NULL)))
1024 dprintk("_INI Method failed\n");
1025 }
1026
1027 /* setup input devices and helper fifo */
1028 result = sony_laptop_setup_input(device);
1029 if (result) {
1030 printk(KERN_ERR DRV_PFX
1031 "Unabe to create input devices.\n");
1032 goto outwalk;
1033 }
1034
1035 status = acpi_install_notify_handler(sony_nc_acpi_handle,
1036 ACPI_DEVICE_NOTIFY,
1037 sony_acpi_notify, NULL);
1038 if (ACPI_FAILURE(status)) {
1039 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1040 result = -ENODEV;
1041 goto outinput;
1042 }
1043
1044 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
1045 sony_backlight_device = backlight_device_register("sony", NULL,
1046 NULL,
1047 &sony_backlight_ops);
1048
1049 if (IS_ERR(sony_backlight_device)) {
1050 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1051 sony_backlight_device = NULL;
1052 } else {
1053 sony_backlight_device->props.brightness =
1054 sony_backlight_get_brightness
1055 (sony_backlight_device);
1056 sony_backlight_device->props.max_brightness =
1057 SONY_MAX_BRIGHTNESS - 1;
1058 }
1059
1060 }
1061
1062 /* initialize models with specific requirements */
1063 dmi_check_system(sony_nc_ids);
1064
1065 result = sony_pf_add();
1066 if (result)
1067 goto outbacklight;
1068
1069 /* create sony_pf sysfs attributes related to the SNC device */
1070 for (item = sony_nc_values; item->name; ++item) {
1071
1072 if (!debug && item->debug)
1073 continue;
1074
1075 /* find the available acpiget as described in the DSDT */
1076 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1077 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1078 *item->acpiget,
1079 &handle))) {
1080 dprintk("Found %s getter: %s\n",
1081 item->name, *item->acpiget);
1082 item->devattr.attr.mode |= S_IRUGO;
1083 break;
1084 }
1085 }
1086
1087 /* find the available acpiset as described in the DSDT */
1088 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1089 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1090 *item->acpiset,
1091 &handle))) {
1092 dprintk("Found %s setter: %s\n",
1093 item->name, *item->acpiset);
1094 item->devattr.attr.mode |= S_IWUSR;
1095 break;
1096 }
1097 }
1098
1099 if (item->devattr.attr.mode != 0) {
1100 result =
1101 device_create_file(&sony_pf_device->dev,
1102 &item->devattr);
1103 if (result)
1104 goto out_sysfs;
1105 }
1106 }
1107
1108 return 0;
1109
1110 out_sysfs:
1111 for (item = sony_nc_values; item->name; ++item) {
1112 device_remove_file(&sony_pf_device->dev, &item->devattr);
1113 }
1114 sony_pf_remove();
1115
1116 outbacklight:
1117 if (sony_backlight_device)
1118 backlight_device_unregister(sony_backlight_device);
1119
1120 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1121 ACPI_DEVICE_NOTIFY,
1122 sony_acpi_notify);
1123 if (ACPI_FAILURE(status))
1124 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1125
1126 outinput:
1127 sony_laptop_remove_input();
1128
1129 outwalk:
1130 return result;
1131 }
1132
1133 static int sony_nc_remove(struct acpi_device *device, int type)
1134 {
1135 acpi_status status;
1136 struct sony_nc_value *item;
1137
1138 if (sony_backlight_device)
1139 backlight_device_unregister(sony_backlight_device);
1140
1141 sony_nc_acpi_device = NULL;
1142
1143 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1144 ACPI_DEVICE_NOTIFY,
1145 sony_acpi_notify);
1146 if (ACPI_FAILURE(status))
1147 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1148
1149 for (item = sony_nc_values; item->name; ++item) {
1150 device_remove_file(&sony_pf_device->dev, &item->devattr);
1151 }
1152
1153 sony_pf_remove();
1154 sony_laptop_remove_input();
1155 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1156
1157 return 0;
1158 }
1159
1160 static const struct acpi_device_id sony_device_ids[] = {
1161 {SONY_NC_HID, 0},
1162 {SONY_PIC_HID, 0},
1163 {"", 0},
1164 };
1165 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1166
1167 static const struct acpi_device_id sony_nc_device_ids[] = {
1168 {SONY_NC_HID, 0},
1169 {"", 0},
1170 };
1171
1172 static struct acpi_driver sony_nc_driver = {
1173 .name = SONY_NC_DRIVER_NAME,
1174 .class = SONY_NC_CLASS,
1175 .ids = sony_nc_device_ids,
1176 .owner = THIS_MODULE,
1177 .ops = {
1178 .add = sony_nc_add,
1179 .remove = sony_nc_remove,
1180 .resume = sony_nc_resume,
1181 },
1182 };
1183
1184 /*********** SPIC (SNY6001) Device ***********/
1185
1186 #define SONYPI_DEVICE_TYPE1 0x00000001
1187 #define SONYPI_DEVICE_TYPE2 0x00000002
1188 #define SONYPI_DEVICE_TYPE3 0x00000004
1189 #define SONYPI_DEVICE_TYPE4 0x00000008
1190
1191 #define SONYPI_TYPE1_OFFSET 0x04
1192 #define SONYPI_TYPE2_OFFSET 0x12
1193 #define SONYPI_TYPE3_OFFSET 0x12
1194 #define SONYPI_TYPE4_OFFSET 0x12
1195
1196 struct sony_pic_ioport {
1197 struct acpi_resource_io io1;
1198 struct acpi_resource_io io2;
1199 struct list_head list;
1200 };
1201
1202 struct sony_pic_irq {
1203 struct acpi_resource_irq irq;
1204 struct list_head list;
1205 };
1206
1207 struct sonypi_eventtypes {
1208 u8 data;
1209 unsigned long mask;
1210 struct sonypi_event *events;
1211 };
1212
1213 struct device_ctrl {
1214 int model;
1215 int (*handle_irq)(const u8, const u8);
1216 u16 evport_offset;
1217 u8 has_camera;
1218 u8 has_bluetooth;
1219 u8 has_wwan;
1220 struct sonypi_eventtypes *event_types;
1221 };
1222
1223 struct sony_pic_dev {
1224 struct device_ctrl *control;
1225 struct acpi_device *acpi_dev;
1226 struct sony_pic_irq *cur_irq;
1227 struct sony_pic_ioport *cur_ioport;
1228 struct list_head interrupts;
1229 struct list_head ioports;
1230 struct mutex lock;
1231 u8 camera_power;
1232 u8 bluetooth_power;
1233 u8 wwan_power;
1234 };
1235
1236 static struct sony_pic_dev spic_dev = {
1237 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1238 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1239 };
1240
1241 /* Event masks */
1242 #define SONYPI_JOGGER_MASK 0x00000001
1243 #define SONYPI_CAPTURE_MASK 0x00000002
1244 #define SONYPI_FNKEY_MASK 0x00000004
1245 #define SONYPI_BLUETOOTH_MASK 0x00000008
1246 #define SONYPI_PKEY_MASK 0x00000010
1247 #define SONYPI_BACK_MASK 0x00000020
1248 #define SONYPI_HELP_MASK 0x00000040
1249 #define SONYPI_LID_MASK 0x00000080
1250 #define SONYPI_ZOOM_MASK 0x00000100
1251 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1252 #define SONYPI_MEYE_MASK 0x00000400
1253 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1254 #define SONYPI_BATTERY_MASK 0x00001000
1255 #define SONYPI_WIRELESS_MASK 0x00002000
1256
1257 struct sonypi_event {
1258 u8 data;
1259 u8 event;
1260 };
1261
1262 /* The set of possible button release events */
1263 static struct sonypi_event sonypi_releaseev[] = {
1264 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1265 { 0, 0 }
1266 };
1267
1268 /* The set of possible jogger events */
1269 static struct sonypi_event sonypi_joggerev[] = {
1270 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1271 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1272 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1273 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1274 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1275 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1276 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1277 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1278 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1279 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1280 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1281 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1282 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1283 { 0, 0 }
1284 };
1285
1286 /* The set of possible capture button events */
1287 static struct sonypi_event sonypi_captureev[] = {
1288 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1289 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1290 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1291 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1292 { 0, 0 }
1293 };
1294
1295 /* The set of possible fnkeys events */
1296 static struct sonypi_event sonypi_fnkeyev[] = {
1297 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1298 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1299 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1300 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1301 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1302 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1303 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1304 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1305 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1306 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1307 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1308 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1309 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1310 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1311 { 0x21, SONYPI_EVENT_FNKEY_1 },
1312 { 0x22, SONYPI_EVENT_FNKEY_2 },
1313 { 0x31, SONYPI_EVENT_FNKEY_D },
1314 { 0x32, SONYPI_EVENT_FNKEY_E },
1315 { 0x33, SONYPI_EVENT_FNKEY_F },
1316 { 0x34, SONYPI_EVENT_FNKEY_S },
1317 { 0x35, SONYPI_EVENT_FNKEY_B },
1318 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1319 { 0, 0 }
1320 };
1321
1322 /* The set of possible program key events */
1323 static struct sonypi_event sonypi_pkeyev[] = {
1324 { 0x01, SONYPI_EVENT_PKEY_P1 },
1325 { 0x02, SONYPI_EVENT_PKEY_P2 },
1326 { 0x04, SONYPI_EVENT_PKEY_P3 },
1327 { 0, 0 }
1328 };
1329
1330 /* The set of possible bluetooth events */
1331 static struct sonypi_event sonypi_blueev[] = {
1332 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1333 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1334 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1335 { 0, 0 }
1336 };
1337
1338 /* The set of possible wireless events */
1339 static struct sonypi_event sonypi_wlessev[] = {
1340 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1341 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1342 { 0, 0 }
1343 };
1344
1345 /* The set of possible back button events */
1346 static struct sonypi_event sonypi_backev[] = {
1347 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1348 { 0, 0 }
1349 };
1350
1351 /* The set of possible help button events */
1352 static struct sonypi_event sonypi_helpev[] = {
1353 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1354 { 0, 0 }
1355 };
1356
1357
1358 /* The set of possible lid events */
1359 static struct sonypi_event sonypi_lidev[] = {
1360 { 0x51, SONYPI_EVENT_LID_CLOSED },
1361 { 0x50, SONYPI_EVENT_LID_OPENED },
1362 { 0, 0 }
1363 };
1364
1365 /* The set of possible zoom events */
1366 static struct sonypi_event sonypi_zoomev[] = {
1367 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1368 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1369 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1370 { 0, 0 }
1371 };
1372
1373 /* The set of possible thumbphrase events */
1374 static struct sonypi_event sonypi_thumbphraseev[] = {
1375 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1376 { 0, 0 }
1377 };
1378
1379 /* The set of possible motioneye camera events */
1380 static struct sonypi_event sonypi_meyeev[] = {
1381 { 0x00, SONYPI_EVENT_MEYE_FACE },
1382 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1383 { 0, 0 }
1384 };
1385
1386 /* The set of possible memorystick events */
1387 static struct sonypi_event sonypi_memorystickev[] = {
1388 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1389 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1390 { 0, 0 }
1391 };
1392
1393 /* The set of possible battery events */
1394 static struct sonypi_event sonypi_batteryev[] = {
1395 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1396 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1397 { 0, 0 }
1398 };
1399
1400 static struct sonypi_eventtypes type1_events[] = {
1401 { 0, 0xffffffff, sonypi_releaseev },
1402 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1403 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1404 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1405 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1406 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1407 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1408 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1409 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1410 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1411 { 0 },
1412 };
1413 static struct sonypi_eventtypes type2_events[] = {
1414 { 0, 0xffffffff, sonypi_releaseev },
1415 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1416 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1417 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1418 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1419 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1420 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1421 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1422 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1423 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1424 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1425 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1426 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1427 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1428 { 0 },
1429 };
1430 static struct sonypi_eventtypes type3_events[] = {
1431 { 0, 0xffffffff, sonypi_releaseev },
1432 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1433 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1434 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1435 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1436 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1437 { 0 },
1438 };
1439 static struct sonypi_eventtypes type4_events[] = {
1440 { 0, 0xffffffff, sonypi_releaseev },
1441 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1442 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1443 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1444 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1445 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1446 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1447 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1448 { 0 },
1449 };
1450
1451 /* low level spic calls */
1452 #define ITERATIONS_LONG 10000
1453 #define ITERATIONS_SHORT 10
1454 #define wait_on_command(command, iterations) { \
1455 unsigned int n = iterations; \
1456 while (--n && (command)) \
1457 udelay(1); \
1458 if (!n) \
1459 dprintk("command failed at %s : %s (line %d)\n", \
1460 __FILE__, __FUNCTION__, __LINE__); \
1461 }
1462
1463 static u8 sony_pic_call1(u8 dev)
1464 {
1465 u8 v1, v2;
1466
1467 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1468 ITERATIONS_LONG);
1469 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1470 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1471 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1472 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1473 return v2;
1474 }
1475
1476 static u8 sony_pic_call2(u8 dev, u8 fn)
1477 {
1478 u8 v1;
1479
1480 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1481 ITERATIONS_LONG);
1482 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1483 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1484 ITERATIONS_LONG);
1485 outb(fn, spic_dev.cur_ioport->io1.minimum);
1486 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1487 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1488 return v1;
1489 }
1490
1491 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1492 {
1493 u8 v1;
1494
1495 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1496 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1497 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1498 outb(fn, spic_dev.cur_ioport->io1.minimum);
1499 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1500 outb(v, spic_dev.cur_ioport->io1.minimum);
1501 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1502 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1503 dev, fn, v, v1);
1504 return v1;
1505 }
1506
1507 /*
1508 * minidrivers for SPIC models
1509 */
1510 static int type4_handle_irq(const u8 data_mask, const u8 ev)
1511 {
1512 /*
1513 * 0x31 could mean we have to take some extra action and wait for
1514 * the next irq for some Type4 models, it will generate a new
1515 * irq and we can read new data from the device:
1516 * - 0x5c and 0x5f requires 0xA0
1517 * - 0x61 requires 0xB3
1518 */
1519 if (data_mask == 0x31) {
1520 if (ev == 0x5c || ev == 0x5f)
1521 sony_pic_call1(0xA0);
1522 else if (ev == 0x61)
1523 sony_pic_call1(0xB3);
1524 return 0;
1525 }
1526 return 1;
1527 }
1528
1529 static struct device_ctrl spic_types[] = {
1530 {
1531 .model = SONYPI_DEVICE_TYPE1,
1532 .handle_irq = NULL,
1533 .evport_offset = SONYPI_TYPE1_OFFSET,
1534 .event_types = type1_events,
1535 },
1536 {
1537 .model = SONYPI_DEVICE_TYPE2,
1538 .handle_irq = NULL,
1539 .evport_offset = SONYPI_TYPE2_OFFSET,
1540 .event_types = type2_events,
1541 },
1542 {
1543 .model = SONYPI_DEVICE_TYPE3,
1544 .handle_irq = NULL,
1545 .evport_offset = SONYPI_TYPE3_OFFSET,
1546 .event_types = type3_events,
1547 },
1548 {
1549 .model = SONYPI_DEVICE_TYPE4,
1550 .handle_irq = type4_handle_irq,
1551 .evport_offset = SONYPI_TYPE4_OFFSET,
1552 .event_types = type4_events,
1553 },
1554 };
1555
1556 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1557 {
1558 struct pci_dev *pcidev;
1559
1560 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1561 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1562 if (pcidev) {
1563 dev->control = &spic_types[0];
1564 goto out;
1565 }
1566
1567 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1568 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1569 if (pcidev) {
1570 dev->control = &spic_types[2];
1571 goto out;
1572 }
1573
1574 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1575 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1576 if (pcidev) {
1577 dev->control = &spic_types[3];
1578 goto out;
1579 }
1580
1581 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1582 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1583 if (pcidev) {
1584 dev->control = &spic_types[3];
1585 goto out;
1586 }
1587
1588 /* default */
1589 dev->control = &spic_types[1];
1590
1591 out:
1592 if (pcidev)
1593 pci_dev_put(pcidev);
1594
1595 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1596 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1597 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
1598 dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
1599 }
1600
1601 /* camera tests and poweron/poweroff */
1602 #define SONYPI_CAMERA_PICTURE 5
1603 #define SONYPI_CAMERA_CONTROL 0x10
1604
1605 #define SONYPI_CAMERA_BRIGHTNESS 0
1606 #define SONYPI_CAMERA_CONTRAST 1
1607 #define SONYPI_CAMERA_HUE 2
1608 #define SONYPI_CAMERA_COLOR 3
1609 #define SONYPI_CAMERA_SHARPNESS 4
1610
1611 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1612 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1613 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1614 #define SONYPI_CAMERA_MUTE_MASK 0x40
1615
1616 /* the rest don't need a loop until not 0xff */
1617 #define SONYPI_CAMERA_AGC 6
1618 #define SONYPI_CAMERA_AGC_MASK 0x30
1619 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1620
1621 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1622 #define SONYPI_CAMERA_CONTROL 0x10
1623
1624 #define SONYPI_CAMERA_STATUS 7
1625 #define SONYPI_CAMERA_STATUS_READY 0x2
1626 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1627
1628 #define SONYPI_DIRECTION_BACKWARDS 0x4
1629
1630 #define SONYPI_CAMERA_REVISION 8
1631 #define SONYPI_CAMERA_ROMVERSION 9
1632
1633 static int __sony_pic_camera_ready(void)
1634 {
1635 u8 v;
1636
1637 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1638 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1639 }
1640
1641 static int __sony_pic_camera_off(void)
1642 {
1643 if (!camera) {
1644 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1645 return -ENODEV;
1646 }
1647
1648 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1649 SONYPI_CAMERA_MUTE_MASK),
1650 ITERATIONS_SHORT);
1651
1652 if (spic_dev.camera_power) {
1653 sony_pic_call2(0x91, 0);
1654 spic_dev.camera_power = 0;
1655 }
1656 return 0;
1657 }
1658
1659 static int __sony_pic_camera_on(void)
1660 {
1661 int i, j, x;
1662
1663 if (!camera) {
1664 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1665 return -ENODEV;
1666 }
1667
1668 if (spic_dev.camera_power)
1669 return 0;
1670
1671 for (j = 5; j > 0; j--) {
1672
1673 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1674 msleep(10);
1675 sony_pic_call1(0x93);
1676
1677 for (i = 400; i > 0; i--) {
1678 if (__sony_pic_camera_ready())
1679 break;
1680 msleep(10);
1681 }
1682 if (i)
1683 break;
1684 }
1685
1686 if (j == 0) {
1687 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1688 return -ENODEV;
1689 }
1690
1691 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1692 0x5a),
1693 ITERATIONS_SHORT);
1694
1695 spic_dev.camera_power = 1;
1696 return 0;
1697 }
1698
1699 /* External camera command (exported to the motion eye v4l driver) */
1700 int sony_pic_camera_command(int command, u8 value)
1701 {
1702 if (!camera)
1703 return -EIO;
1704
1705 mutex_lock(&spic_dev.lock);
1706
1707 switch (command) {
1708 case SONY_PIC_COMMAND_SETCAMERA:
1709 if (value)
1710 __sony_pic_camera_on();
1711 else
1712 __sony_pic_camera_off();
1713 break;
1714 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1715 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1716 ITERATIONS_SHORT);
1717 break;
1718 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1719 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1720 ITERATIONS_SHORT);
1721 break;
1722 case SONY_PIC_COMMAND_SETCAMERAHUE:
1723 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1724 ITERATIONS_SHORT);
1725 break;
1726 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1727 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1728 ITERATIONS_SHORT);
1729 break;
1730 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1731 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1732 ITERATIONS_SHORT);
1733 break;
1734 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1735 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1736 ITERATIONS_SHORT);
1737 break;
1738 case SONY_PIC_COMMAND_SETCAMERAAGC:
1739 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1740 ITERATIONS_SHORT);
1741 break;
1742 default:
1743 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1744 command);
1745 break;
1746 }
1747 mutex_unlock(&spic_dev.lock);
1748 return 0;
1749 }
1750 EXPORT_SYMBOL(sony_pic_camera_command);
1751
1752 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1753 static void sony_pic_set_wwanpower(u8 state)
1754 {
1755 state = !!state;
1756 mutex_lock(&spic_dev.lock);
1757 if (spic_dev.wwan_power == state) {
1758 mutex_unlock(&spic_dev.lock);
1759 return;
1760 }
1761 sony_pic_call2(0xB0, state);
1762 spic_dev.wwan_power = state;
1763 mutex_unlock(&spic_dev.lock);
1764 }
1765
1766 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1767 struct device_attribute *attr,
1768 const char *buffer, size_t count)
1769 {
1770 unsigned long value;
1771 if (count > 31)
1772 return -EINVAL;
1773
1774 value = simple_strtoul(buffer, NULL, 10);
1775 sony_pic_set_wwanpower(value);
1776
1777 return count;
1778 }
1779
1780 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1781 struct device_attribute *attr, char *buffer)
1782 {
1783 ssize_t count;
1784 mutex_lock(&spic_dev.lock);
1785 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1786 mutex_unlock(&spic_dev.lock);
1787 return count;
1788 }
1789
1790 /* bluetooth subsystem power state */
1791 static void __sony_pic_set_bluetoothpower(u8 state)
1792 {
1793 state = !!state;
1794 if (spic_dev.bluetooth_power == state)
1795 return;
1796 sony_pic_call2(0x96, state);
1797 sony_pic_call1(0x82);
1798 spic_dev.bluetooth_power = state;
1799 }
1800
1801 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1802 struct device_attribute *attr,
1803 const char *buffer, size_t count)
1804 {
1805 unsigned long value;
1806 if (count > 31)
1807 return -EINVAL;
1808
1809 value = simple_strtoul(buffer, NULL, 10);
1810 mutex_lock(&spic_dev.lock);
1811 __sony_pic_set_bluetoothpower(value);
1812 mutex_unlock(&spic_dev.lock);
1813
1814 return count;
1815 }
1816
1817 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1818 struct device_attribute *attr, char *buffer)
1819 {
1820 ssize_t count = 0;
1821 mutex_lock(&spic_dev.lock);
1822 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
1823 mutex_unlock(&spic_dev.lock);
1824 return count;
1825 }
1826
1827 /* fan speed */
1828 /* FAN0 information (reverse engineered from ACPI tables) */
1829 #define SONY_PIC_FAN0_STATUS 0x93
1830 static int sony_pic_set_fanspeed(unsigned long value)
1831 {
1832 return ec_write(SONY_PIC_FAN0_STATUS, value);
1833 }
1834
1835 static int sony_pic_get_fanspeed(u8 *value)
1836 {
1837 return ec_read(SONY_PIC_FAN0_STATUS, value);
1838 }
1839
1840 static ssize_t sony_pic_fanspeed_store(struct device *dev,
1841 struct device_attribute *attr,
1842 const char *buffer, size_t count)
1843 {
1844 unsigned long value;
1845 if (count > 31)
1846 return -EINVAL;
1847
1848 value = simple_strtoul(buffer, NULL, 10);
1849 if (sony_pic_set_fanspeed(value))
1850 return -EIO;
1851
1852 return count;
1853 }
1854
1855 static ssize_t sony_pic_fanspeed_show(struct device *dev,
1856 struct device_attribute *attr, char *buffer)
1857 {
1858 u8 value = 0;
1859 if (sony_pic_get_fanspeed(&value))
1860 return -EIO;
1861
1862 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
1863 }
1864
1865 #define SPIC_ATTR(_name, _mode) \
1866 struct device_attribute spic_attr_##_name = __ATTR(_name, \
1867 _mode, sony_pic_## _name ##_show, \
1868 sony_pic_## _name ##_store)
1869
1870 static SPIC_ATTR(bluetoothpower, 0644);
1871 static SPIC_ATTR(wwanpower, 0644);
1872 static SPIC_ATTR(fanspeed, 0644);
1873
1874 static struct attribute *spic_attributes[] = {
1875 &spic_attr_bluetoothpower.attr,
1876 &spic_attr_wwanpower.attr,
1877 &spic_attr_fanspeed.attr,
1878 NULL
1879 };
1880
1881 static struct attribute_group spic_attribute_group = {
1882 .attrs = spic_attributes
1883 };
1884
1885 /******** SONYPI compatibility **********/
1886 #ifdef CONFIG_SONYPI_COMPAT
1887
1888 /* battery / brightness / temperature addresses */
1889 #define SONYPI_BAT_FLAGS 0x81
1890 #define SONYPI_LCD_LIGHT 0x96
1891 #define SONYPI_BAT1_PCTRM 0xa0
1892 #define SONYPI_BAT1_LEFT 0xa2
1893 #define SONYPI_BAT1_MAXRT 0xa4
1894 #define SONYPI_BAT2_PCTRM 0xa8
1895 #define SONYPI_BAT2_LEFT 0xaa
1896 #define SONYPI_BAT2_MAXRT 0xac
1897 #define SONYPI_BAT1_MAXTK 0xb0
1898 #define SONYPI_BAT1_FULL 0xb2
1899 #define SONYPI_BAT2_MAXTK 0xb8
1900 #define SONYPI_BAT2_FULL 0xba
1901 #define SONYPI_TEMP_STATUS 0xC1
1902
1903 struct sonypi_compat_s {
1904 struct fasync_struct *fifo_async;
1905 struct kfifo *fifo;
1906 spinlock_t fifo_lock;
1907 wait_queue_head_t fifo_proc_list;
1908 atomic_t open_count;
1909 };
1910 static struct sonypi_compat_s sonypi_compat = {
1911 .open_count = ATOMIC_INIT(0),
1912 };
1913
1914 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
1915 {
1916 int retval;
1917
1918 retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
1919 if (retval < 0)
1920 return retval;
1921 return 0;
1922 }
1923
1924 static int sonypi_misc_release(struct inode *inode, struct file *file)
1925 {
1926 sonypi_misc_fasync(-1, file, 0);
1927 atomic_dec(&sonypi_compat.open_count);
1928 return 0;
1929 }
1930
1931 static int sonypi_misc_open(struct inode *inode, struct file *file)
1932 {
1933 /* Flush input queue on first open */
1934 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
1935 kfifo_reset(sonypi_compat.fifo);
1936 return 0;
1937 }
1938
1939 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
1940 size_t count, loff_t *pos)
1941 {
1942 ssize_t ret;
1943 unsigned char c;
1944
1945 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
1946 (file->f_flags & O_NONBLOCK))
1947 return -EAGAIN;
1948
1949 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
1950 kfifo_len(sonypi_compat.fifo) != 0);
1951 if (ret)
1952 return ret;
1953
1954 while (ret < count &&
1955 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
1956 if (put_user(c, buf++))
1957 return -EFAULT;
1958 ret++;
1959 }
1960
1961 if (ret > 0) {
1962 struct inode *inode = file->f_path.dentry->d_inode;
1963 inode->i_atime = current_fs_time(inode->i_sb);
1964 }
1965
1966 return ret;
1967 }
1968
1969 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
1970 {
1971 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
1972 if (kfifo_len(sonypi_compat.fifo))
1973 return POLLIN | POLLRDNORM;
1974 return 0;
1975 }
1976
1977 static int ec_read16(u8 addr, u16 *value)
1978 {
1979 u8 val_lb, val_hb;
1980 if (ec_read(addr, &val_lb))
1981 return -1;
1982 if (ec_read(addr + 1, &val_hb))
1983 return -1;
1984 *value = val_lb | (val_hb << 8);
1985 return 0;
1986 }
1987
1988 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
1989 unsigned int cmd, unsigned long arg)
1990 {
1991 int ret = 0;
1992 void __user *argp = (void __user *)arg;
1993 u8 val8;
1994 u16 val16;
1995 int value;
1996
1997 mutex_lock(&spic_dev.lock);
1998 switch (cmd) {
1999 case SONYPI_IOCGBRT:
2000 if (sony_backlight_device == NULL) {
2001 ret = -EIO;
2002 break;
2003 }
2004 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2005 ret = -EIO;
2006 break;
2007 }
2008 val8 = ((value & 0xff) - 1) << 5;
2009 if (copy_to_user(argp, &val8, sizeof(val8)))
2010 ret = -EFAULT;
2011 break;
2012 case SONYPI_IOCSBRT:
2013 if (sony_backlight_device == NULL) {
2014 ret = -EIO;
2015 break;
2016 }
2017 if (copy_from_user(&val8, argp, sizeof(val8))) {
2018 ret = -EFAULT;
2019 break;
2020 }
2021 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2022 (val8 >> 5) + 1, NULL)) {
2023 ret = -EIO;
2024 break;
2025 }
2026 /* sync the backlight device status */
2027 sony_backlight_device->props.brightness =
2028 sony_backlight_get_brightness(sony_backlight_device);
2029 break;
2030 case SONYPI_IOCGBAT1CAP:
2031 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2032 ret = -EIO;
2033 break;
2034 }
2035 if (copy_to_user(argp, &val16, sizeof(val16)))
2036 ret = -EFAULT;
2037 break;
2038 case SONYPI_IOCGBAT1REM:
2039 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2040 ret = -EIO;
2041 break;
2042 }
2043 if (copy_to_user(argp, &val16, sizeof(val16)))
2044 ret = -EFAULT;
2045 break;
2046 case SONYPI_IOCGBAT2CAP:
2047 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2048 ret = -EIO;
2049 break;
2050 }
2051 if (copy_to_user(argp, &val16, sizeof(val16)))
2052 ret = -EFAULT;
2053 break;
2054 case SONYPI_IOCGBAT2REM:
2055 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2056 ret = -EIO;
2057 break;
2058 }
2059 if (copy_to_user(argp, &val16, sizeof(val16)))
2060 ret = -EFAULT;
2061 break;
2062 case SONYPI_IOCGBATFLAGS:
2063 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2064 ret = -EIO;
2065 break;
2066 }
2067 val8 &= 0x07;
2068 if (copy_to_user(argp, &val8, sizeof(val8)))
2069 ret = -EFAULT;
2070 break;
2071 case SONYPI_IOCGBLUE:
2072 val8 = spic_dev.bluetooth_power;
2073 if (copy_to_user(argp, &val8, sizeof(val8)))
2074 ret = -EFAULT;
2075 break;
2076 case SONYPI_IOCSBLUE:
2077 if (copy_from_user(&val8, argp, sizeof(val8))) {
2078 ret = -EFAULT;
2079 break;
2080 }
2081 __sony_pic_set_bluetoothpower(val8);
2082 break;
2083 /* FAN Controls */
2084 case SONYPI_IOCGFAN:
2085 if (sony_pic_get_fanspeed(&val8)) {
2086 ret = -EIO;
2087 break;
2088 }
2089 if (copy_to_user(argp, &val8, sizeof(val8)))
2090 ret = -EFAULT;
2091 break;
2092 case SONYPI_IOCSFAN:
2093 if (copy_from_user(&val8, argp, sizeof(val8))) {
2094 ret = -EFAULT;
2095 break;
2096 }
2097 if (sony_pic_set_fanspeed(val8))
2098 ret = -EIO;
2099 break;
2100 /* GET Temperature (useful under APM) */
2101 case SONYPI_IOCGTEMP:
2102 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2103 ret = -EIO;
2104 break;
2105 }
2106 if (copy_to_user(argp, &val8, sizeof(val8)))
2107 ret = -EFAULT;
2108 break;
2109 default:
2110 ret = -EINVAL;
2111 }
2112 mutex_unlock(&spic_dev.lock);
2113 return ret;
2114 }
2115
2116 static const struct file_operations sonypi_misc_fops = {
2117 .owner = THIS_MODULE,
2118 .read = sonypi_misc_read,
2119 .poll = sonypi_misc_poll,
2120 .open = sonypi_misc_open,
2121 .release = sonypi_misc_release,
2122 .fasync = sonypi_misc_fasync,
2123 .ioctl = sonypi_misc_ioctl,
2124 };
2125
2126 static struct miscdevice sonypi_misc_device = {
2127 .minor = MISC_DYNAMIC_MINOR,
2128 .name = "sonypi",
2129 .fops = &sonypi_misc_fops,
2130 };
2131
2132 static void sonypi_compat_report_event(u8 event)
2133 {
2134 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2135 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2136 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2137 }
2138
2139 static int sonypi_compat_init(void)
2140 {
2141 int error;
2142
2143 spin_lock_init(&sonypi_compat.fifo_lock);
2144 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2145 &sonypi_compat.fifo_lock);
2146 if (IS_ERR(sonypi_compat.fifo)) {
2147 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2148 return PTR_ERR(sonypi_compat.fifo);
2149 }
2150
2151 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2152
2153 if (minor != -1)
2154 sonypi_misc_device.minor = minor;
2155 error = misc_register(&sonypi_misc_device);
2156 if (error) {
2157 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2158 goto err_free_kfifo;
2159 }
2160 if (minor == -1)
2161 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2162 sonypi_misc_device.minor);
2163
2164 return 0;
2165
2166 err_free_kfifo:
2167 kfifo_free(sonypi_compat.fifo);
2168 return error;
2169 }
2170
2171 static void sonypi_compat_exit(void)
2172 {
2173 misc_deregister(&sonypi_misc_device);
2174 kfifo_free(sonypi_compat.fifo);
2175 }
2176 #else
2177 static int sonypi_compat_init(void) { return 0; }
2178 static void sonypi_compat_exit(void) { }
2179 static void sonypi_compat_report_event(u8 event) { }
2180 #endif /* CONFIG_SONYPI_COMPAT */
2181
2182 /*
2183 * ACPI callbacks
2184 */
2185 static acpi_status
2186 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2187 {
2188 u32 i;
2189 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2190
2191 switch (resource->type) {
2192 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2193 {
2194 /* start IO enumeration */
2195 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2196 if (!ioport)
2197 return AE_ERROR;
2198
2199 list_add(&ioport->list, &dev->ioports);
2200 return AE_OK;
2201 }
2202
2203 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2204 /* end IO enumeration */
2205 return AE_OK;
2206
2207 case ACPI_RESOURCE_TYPE_IRQ:
2208 {
2209 struct acpi_resource_irq *p = &resource->data.irq;
2210 struct sony_pic_irq *interrupt = NULL;
2211 if (!p || !p->interrupt_count) {
2212 /*
2213 * IRQ descriptors may have no IRQ# bits set,
2214 * particularly those those w/ _STA disabled
2215 */
2216 dprintk("Blank IRQ resource\n");
2217 return AE_OK;
2218 }
2219 for (i = 0; i < p->interrupt_count; i++) {
2220 if (!p->interrupts[i]) {
2221 printk(KERN_WARNING DRV_PFX
2222 "Invalid IRQ %d\n",
2223 p->interrupts[i]);
2224 continue;
2225 }
2226 interrupt = kzalloc(sizeof(*interrupt),
2227 GFP_KERNEL);
2228 if (!interrupt)
2229 return AE_ERROR;
2230
2231 list_add(&interrupt->list, &dev->interrupts);
2232 interrupt->irq.triggering = p->triggering;
2233 interrupt->irq.polarity = p->polarity;
2234 interrupt->irq.sharable = p->sharable;
2235 interrupt->irq.interrupt_count = 1;
2236 interrupt->irq.interrupts[0] = p->interrupts[i];
2237 }
2238 return AE_OK;
2239 }
2240 case ACPI_RESOURCE_TYPE_IO:
2241 {
2242 struct acpi_resource_io *io = &resource->data.io;
2243 struct sony_pic_ioport *ioport =
2244 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2245 if (!io) {
2246 dprintk("Blank IO resource\n");
2247 return AE_OK;
2248 }
2249
2250 if (!ioport->io1.minimum) {
2251 memcpy(&ioport->io1, io, sizeof(*io));
2252 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2253 ioport->io1.address_length);
2254 }
2255 else if (!ioport->io2.minimum) {
2256 memcpy(&ioport->io2, io, sizeof(*io));
2257 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2258 ioport->io2.address_length);
2259 }
2260 else {
2261 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2262 return AE_ERROR;
2263 }
2264 return AE_OK;
2265 }
2266 default:
2267 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2268 resource->type);
2269
2270 case ACPI_RESOURCE_TYPE_END_TAG:
2271 return AE_OK;
2272 }
2273 return AE_CTRL_TERMINATE;
2274 }
2275
2276 static int sony_pic_possible_resources(struct acpi_device *device)
2277 {
2278 int result = 0;
2279 acpi_status status = AE_OK;
2280
2281 if (!device)
2282 return -EINVAL;
2283
2284 /* get device status */
2285 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2286 dprintk("Evaluating _STA\n");
2287 result = acpi_bus_get_status(device);
2288 if (result) {
2289 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2290 goto end;
2291 }
2292
2293 if (!device->status.enabled)
2294 dprintk("Device disabled\n");
2295 else
2296 dprintk("Device enabled\n");
2297
2298 /*
2299 * Query and parse 'method'
2300 */
2301 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2302 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2303 sony_pic_read_possible_resource, &spic_dev);
2304 if (ACPI_FAILURE(status)) {
2305 printk(KERN_WARNING DRV_PFX
2306 "Failure evaluating %s\n",
2307 METHOD_NAME__PRS);
2308 result = -ENODEV;
2309 }
2310 end:
2311 return result;
2312 }
2313
2314 /*
2315 * Disable the spic device by calling its _DIS method
2316 */
2317 static int sony_pic_disable(struct acpi_device *device)
2318 {
2319 if (ACPI_FAILURE(acpi_evaluate_object(device->handle,
2320 "_DIS", NULL, NULL)))
2321 return -ENXIO;
2322
2323 dprintk("Device disabled\n");
2324 return 0;
2325 }
2326
2327
2328 /*
2329 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2330 *
2331 * Call _SRS to set current resources
2332 */
2333 static int sony_pic_enable(struct acpi_device *device,
2334 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2335 {
2336 acpi_status status;
2337 int result = 0;
2338 /* Type 1 resource layout is:
2339 * IO
2340 * IO
2341 * IRQNoFlags
2342 * End
2343 *
2344 * Type 2 and 3 resource layout is:
2345 * IO
2346 * IRQNoFlags
2347 * End
2348 */
2349 struct {
2350 struct acpi_resource res1;
2351 struct acpi_resource res2;
2352 struct acpi_resource res3;
2353 struct acpi_resource res4;
2354 } *resource;
2355 struct acpi_buffer buffer = { 0, NULL };
2356
2357 if (!ioport || !irq)
2358 return -EINVAL;
2359
2360 /* init acpi_buffer */
2361 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2362 if (!resource)
2363 return -ENOMEM;
2364
2365 buffer.length = sizeof(*resource) + 1;
2366 buffer.pointer = resource;
2367
2368 /* setup Type 1 resources */
2369 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2370
2371 /* setup io resources */
2372 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2373 resource->res1.length = sizeof(struct acpi_resource);
2374 memcpy(&resource->res1.data.io, &ioport->io1,
2375 sizeof(struct acpi_resource_io));
2376
2377 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2378 resource->res2.length = sizeof(struct acpi_resource);
2379 memcpy(&resource->res2.data.io, &ioport->io2,
2380 sizeof(struct acpi_resource_io));
2381
2382 /* setup irq resource */
2383 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2384 resource->res3.length = sizeof(struct acpi_resource);
2385 memcpy(&resource->res3.data.irq, &irq->irq,
2386 sizeof(struct acpi_resource_irq));
2387 /* we requested a shared irq */
2388 resource->res3.data.irq.sharable = ACPI_SHARED;
2389
2390 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2391
2392 }
2393 /* setup Type 2/3 resources */
2394 else {
2395 /* setup io resource */
2396 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2397 resource->res1.length = sizeof(struct acpi_resource);
2398 memcpy(&resource->res1.data.io, &ioport->io1,
2399 sizeof(struct acpi_resource_io));
2400
2401 /* setup irq resource */
2402 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2403 resource->res2.length = sizeof(struct acpi_resource);
2404 memcpy(&resource->res2.data.irq, &irq->irq,
2405 sizeof(struct acpi_resource_irq));
2406 /* we requested a shared irq */
2407 resource->res2.data.irq.sharable = ACPI_SHARED;
2408
2409 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2410 }
2411
2412 /* Attempt to set the resource */
2413 dprintk("Evaluating _SRS\n");
2414 status = acpi_set_current_resources(device->handle, &buffer);
2415
2416 /* check for total failure */
2417 if (ACPI_FAILURE(status)) {
2418 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2419 result = -ENODEV;
2420 goto end;
2421 }
2422
2423 /* Necessary device initializations calls (from sonypi) */
2424 sony_pic_call1(0x82);
2425 sony_pic_call2(0x81, 0xff);
2426 sony_pic_call1(compat ? 0x92 : 0x82);
2427
2428 end:
2429 kfree(resource);
2430 return result;
2431 }
2432
2433 /*****************
2434 *
2435 * ISR: some event is available
2436 *
2437 *****************/
2438 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2439 {
2440 int i, j;
2441 u8 ev = 0;
2442 u8 data_mask = 0;
2443 u8 device_event = 0;
2444
2445 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2446
2447 ev = inb_p(dev->cur_ioport->io1.minimum);
2448 if (dev->cur_ioport->io2.minimum)
2449 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2450 else
2451 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2452 dev->control->evport_offset);
2453
2454 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2455 ev, data_mask, dev->cur_ioport->io1.minimum,
2456 dev->control->evport_offset);
2457
2458 if (ev == 0x00 || ev == 0xff)
2459 return IRQ_HANDLED;
2460
2461 for (i = 0; dev->control->event_types[i].mask; i++) {
2462
2463 if ((data_mask & dev->control->event_types[i].data) !=
2464 dev->control->event_types[i].data)
2465 continue;
2466
2467 if (!(mask & dev->control->event_types[i].mask))
2468 continue;
2469
2470 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2471 if (ev == dev->control->event_types[i].events[j].data) {
2472 device_event =
2473 dev->control->
2474 event_types[i].events[j].event;
2475 goto found;
2476 }
2477 }
2478 }
2479 /* Still not able to decode the event try to pass
2480 * it over to the minidriver
2481 */
2482 if (dev->control->handle_irq &&
2483 dev->control->handle_irq(data_mask, ev) == 0)
2484 return IRQ_HANDLED;
2485
2486 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2487 ev, data_mask, dev->cur_ioport->io1.minimum,
2488 dev->control->evport_offset);
2489 return IRQ_HANDLED;
2490
2491 found:
2492 sony_laptop_report_input_event(device_event);
2493 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2494 sonypi_compat_report_event(device_event);
2495
2496 return IRQ_HANDLED;
2497 }
2498
2499 /*****************
2500 *
2501 * ACPI driver
2502 *
2503 *****************/
2504 static int sony_pic_remove(struct acpi_device *device, int type)
2505 {
2506 struct sony_pic_ioport *io, *tmp_io;
2507 struct sony_pic_irq *irq, *tmp_irq;
2508
2509 if (sony_pic_disable(device)) {
2510 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2511 return -ENXIO;
2512 }
2513
2514 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2515 release_region(spic_dev.cur_ioport->io1.minimum,
2516 spic_dev.cur_ioport->io1.address_length);
2517 if (spic_dev.cur_ioport->io2.minimum)
2518 release_region(spic_dev.cur_ioport->io2.minimum,
2519 spic_dev.cur_ioport->io2.address_length);
2520
2521 sonypi_compat_exit();
2522
2523 sony_laptop_remove_input();
2524
2525 /* pf attrs */
2526 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2527 sony_pf_remove();
2528
2529 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2530 list_del(&io->list);
2531 kfree(io);
2532 }
2533 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2534 list_del(&irq->list);
2535 kfree(irq);
2536 }
2537 spic_dev.cur_ioport = NULL;
2538 spic_dev.cur_irq = NULL;
2539
2540 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2541 return 0;
2542 }
2543
2544 static int sony_pic_add(struct acpi_device *device)
2545 {
2546 int result;
2547 struct sony_pic_ioport *io, *tmp_io;
2548 struct sony_pic_irq *irq, *tmp_irq;
2549
2550 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2551 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2552
2553 spic_dev.acpi_dev = device;
2554 strcpy(acpi_device_class(device), "sony/hotkey");
2555 sony_pic_detect_device_type(&spic_dev);
2556 mutex_init(&spic_dev.lock);
2557
2558 /* read _PRS resources */
2559 result = sony_pic_possible_resources(device);
2560 if (result) {
2561 printk(KERN_ERR DRV_PFX
2562 "Unabe to read possible resources.\n");
2563 goto err_free_resources;
2564 }
2565
2566 /* setup input devices and helper fifo */
2567 result = sony_laptop_setup_input(device);
2568 if (result) {
2569 printk(KERN_ERR DRV_PFX
2570 "Unabe to create input devices.\n");
2571 goto err_free_resources;
2572 }
2573
2574 if (sonypi_compat_init())
2575 goto err_remove_input;
2576
2577 /* request io port */
2578 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2579 if (request_region(io->io1.minimum, io->io1.address_length,
2580 "Sony Programable I/O Device")) {
2581 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2582 io->io1.minimum, io->io1.maximum,
2583 io->io1.address_length);
2584 /* Type 1 have 2 ioports */
2585 if (io->io2.minimum) {
2586 if (request_region(io->io2.minimum,
2587 io->io2.address_length,
2588 "Sony Programable I/O Device")) {
2589 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2590 io->io2.minimum, io->io2.maximum,
2591 io->io2.address_length);
2592 spic_dev.cur_ioport = io;
2593 break;
2594 }
2595 else {
2596 dprintk("Unable to get I/O port2: "
2597 "0x%.4x (0x%.4x) + 0x%.2x\n",
2598 io->io2.minimum, io->io2.maximum,
2599 io->io2.address_length);
2600 release_region(io->io1.minimum,
2601 io->io1.address_length);
2602 }
2603 }
2604 else {
2605 spic_dev.cur_ioport = io;
2606 break;
2607 }
2608 }
2609 }
2610 if (!spic_dev.cur_ioport) {
2611 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2612 result = -ENODEV;
2613 goto err_remove_compat;
2614 }
2615
2616 /* request IRQ */
2617 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2618 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2619 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2620 dprintk("IRQ: %d - triggering: %d - "
2621 "polarity: %d - shr: %d\n",
2622 irq->irq.interrupts[0],
2623 irq->irq.triggering,
2624 irq->irq.polarity,
2625 irq->irq.sharable);
2626 spic_dev.cur_irq = irq;
2627 break;
2628 }
2629 }
2630 if (!spic_dev.cur_irq) {
2631 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2632 result = -ENODEV;
2633 goto err_release_region;
2634 }
2635
2636 /* set resource status _SRS */
2637 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2638 if (result) {
2639 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2640 goto err_free_irq;
2641 }
2642
2643 spic_dev.bluetooth_power = -1;
2644 /* create device attributes */
2645 result = sony_pf_add();
2646 if (result)
2647 goto err_disable_device;
2648
2649 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2650 if (result)
2651 goto err_remove_pf;
2652
2653 return 0;
2654
2655 err_remove_pf:
2656 sony_pf_remove();
2657
2658 err_disable_device:
2659 sony_pic_disable(device);
2660
2661 err_free_irq:
2662 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2663
2664 err_release_region:
2665 release_region(spic_dev.cur_ioport->io1.minimum,
2666 spic_dev.cur_ioport->io1.address_length);
2667 if (spic_dev.cur_ioport->io2.minimum)
2668 release_region(spic_dev.cur_ioport->io2.minimum,
2669 spic_dev.cur_ioport->io2.address_length);
2670
2671 err_remove_compat:
2672 sonypi_compat_exit();
2673
2674 err_remove_input:
2675 sony_laptop_remove_input();
2676
2677 err_free_resources:
2678 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2679 list_del(&io->list);
2680 kfree(io);
2681 }
2682 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2683 list_del(&irq->list);
2684 kfree(irq);
2685 }
2686 spic_dev.cur_ioport = NULL;
2687 spic_dev.cur_irq = NULL;
2688
2689 return result;
2690 }
2691
2692 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2693 {
2694 if (sony_pic_disable(device))
2695 return -ENXIO;
2696 return 0;
2697 }
2698
2699 static int sony_pic_resume(struct acpi_device *device)
2700 {
2701 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2702 return 0;
2703 }
2704
2705 static const struct acpi_device_id sony_pic_device_ids[] = {
2706 {SONY_PIC_HID, 0},
2707 {"", 0},
2708 };
2709
2710 static struct acpi_driver sony_pic_driver = {
2711 .name = SONY_PIC_DRIVER_NAME,
2712 .class = SONY_PIC_CLASS,
2713 .ids = sony_pic_device_ids,
2714 .owner = THIS_MODULE,
2715 .ops = {
2716 .add = sony_pic_add,
2717 .remove = sony_pic_remove,
2718 .suspend = sony_pic_suspend,
2719 .resume = sony_pic_resume,
2720 },
2721 };
2722
2723 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2724 {
2725 .ident = "Sony Vaio",
2726 .matches = {
2727 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2728 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2729 },
2730 },
2731 {
2732 .ident = "Sony Vaio",
2733 .matches = {
2734 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2735 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2736 },
2737 },
2738 { }
2739 };
2740
2741 static int __init sony_laptop_init(void)
2742 {
2743 int result;
2744
2745 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2746 result = acpi_bus_register_driver(&sony_pic_driver);
2747 if (result) {
2748 printk(KERN_ERR DRV_PFX
2749 "Unable to register SPIC driver.");
2750 goto out;
2751 }
2752 }
2753
2754 result = acpi_bus_register_driver(&sony_nc_driver);
2755 if (result) {
2756 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2757 goto out_unregister_pic;
2758 }
2759
2760 return 0;
2761
2762 out_unregister_pic:
2763 if (!no_spic)
2764 acpi_bus_unregister_driver(&sony_pic_driver);
2765 out:
2766 return result;
2767 }
2768
2769 static void __exit sony_laptop_exit(void)
2770 {
2771 acpi_bus_unregister_driver(&sony_nc_driver);
2772 if (!no_spic)
2773 acpi_bus_unregister_driver(&sony_pic_driver);
2774 }
2775
2776 module_init(sony_laptop_init);
2777 module_exit(sony_laptop_exit);
WRT350N Kernel Patches