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Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 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 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127 SONY_WIFI,
128 SONY_BLUETOOTH,
129 SONY_WWAN,
130 SONY_WIMAX,
131 N_SONY_RFKILL,
132 };
133
134 static int sony_rfkill_handle;
135 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
136 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
137 static void sony_nc_rfkill_update(void);
138
139 /*********** Input Devices ***********/
140
141 #define SONY_LAPTOP_BUF_SIZE 128
142 struct sony_laptop_input_s {
143 atomic_t users;
144 struct input_dev *jog_dev;
145 struct input_dev *key_dev;
146 struct kfifo fifo;
147 spinlock_t fifo_lock;
148 struct timer_list release_key_timer;
149 };
150
151 static struct sony_laptop_input_s sony_laptop_input = {
152 .users = ATOMIC_INIT(0),
153 };
154
155 struct sony_laptop_keypress {
156 struct input_dev *dev;
157 int key;
158 };
159
160 /* Correspondance table between sonypi events
161 * and input layer indexes in the keymap
162 */
163 static int sony_laptop_input_index[] = {
164 -1, /* 0 no event */
165 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
166 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
167 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
168 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
169 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
170 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
171 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
172 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
173 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
174 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
175 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
176 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
177 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
178 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
179 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
180 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
181 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
182 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
183 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
184 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
185 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
186 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
187 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
188 17, /* 24 SONYPI_EVENT_FNKEY_1 */
189 18, /* 25 SONYPI_EVENT_FNKEY_2 */
190 19, /* 26 SONYPI_EVENT_FNKEY_D */
191 20, /* 27 SONYPI_EVENT_FNKEY_E */
192 21, /* 28 SONYPI_EVENT_FNKEY_F */
193 22, /* 29 SONYPI_EVENT_FNKEY_S */
194 23, /* 30 SONYPI_EVENT_FNKEY_B */
195 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
196 25, /* 32 SONYPI_EVENT_PKEY_P1 */
197 26, /* 33 SONYPI_EVENT_PKEY_P2 */
198 27, /* 34 SONYPI_EVENT_PKEY_P3 */
199 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
200 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
201 -1, /* 37 SONYPI_EVENT_LID_OPENED */
202 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
203 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
204 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
205 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
206 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
207 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
208 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
209 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
210 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
211 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
212 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
213 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
214 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
215 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
216 43, /* 52 SONYPI_EVENT_MEYE_FACE */
217 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
218 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
219 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
220 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
221 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
222 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
223 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
224 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
225 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
226 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
227 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
228 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
229 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
230 53, /* 66 SONYPI_EVENT_PKEY_P4 */
231 54, /* 67 SONYPI_EVENT_PKEY_P5 */
232 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
233 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
234 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
235 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
236 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
237 };
238
239 static int sony_laptop_input_keycode_map[] = {
240 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
241 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
242 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
243 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
244 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
245 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
246 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
247 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
248 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
249 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
250 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
251 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
252 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
253 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
254 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
255 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
256 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
257 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
258 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
259 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
260 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
261 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
262 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
263 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
264 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
265 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
266 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
267 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
268 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
269 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
270 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
271 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
272 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
273 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
274 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
275 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
276 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
277 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
278 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
279 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
280 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
281 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
282 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
283 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
284 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
285 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
286 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
287 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
288 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
289 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
290 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
291 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
292 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
293 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
294 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
295 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
296 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
297 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
298 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
299 };
300
301 /* release buttons after a short delay if pressed */
302 static void do_sony_laptop_release_key(unsigned long unused)
303 {
304 struct sony_laptop_keypress kp;
305 unsigned long flags;
306
307 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
308
309 if (kfifo_out(&sony_laptop_input.fifo,
310 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
311 input_report_key(kp.dev, kp.key, 0);
312 input_sync(kp.dev);
313 }
314
315 /* If there is something in the fifo schedule next release. */
316 if (kfifo_len(&sony_laptop_input.fifo) != 0)
317 mod_timer(&sony_laptop_input.release_key_timer,
318 jiffies + msecs_to_jiffies(10));
319
320 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
321 }
322
323 /* forward event to the input subsystem */
324 static void sony_laptop_report_input_event(u8 event)
325 {
326 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
327 struct input_dev *key_dev = sony_laptop_input.key_dev;
328 struct sony_laptop_keypress kp = { NULL };
329
330 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
331 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
332 /* Nothing, not all VAIOs generate this event */
333 return;
334 }
335
336 /* report events */
337 switch (event) {
338 /* jog_dev events */
339 case SONYPI_EVENT_JOGDIAL_UP:
340 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
341 input_report_rel(jog_dev, REL_WHEEL, 1);
342 input_sync(jog_dev);
343 return;
344
345 case SONYPI_EVENT_JOGDIAL_DOWN:
346 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
347 input_report_rel(jog_dev, REL_WHEEL, -1);
348 input_sync(jog_dev);
349 return;
350
351 /* key_dev events */
352 case SONYPI_EVENT_JOGDIAL_PRESSED:
353 kp.key = BTN_MIDDLE;
354 kp.dev = jog_dev;
355 break;
356
357 default:
358 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
359 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
360 break;
361 }
362 if (sony_laptop_input_index[event] != -1) {
363 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
364 if (kp.key != KEY_UNKNOWN)
365 kp.dev = key_dev;
366 }
367 break;
368 }
369
370 if (kp.dev) {
371 input_report_key(kp.dev, kp.key, 1);
372 /* we emit the scancode so we can always remap the key */
373 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
374 input_sync(kp.dev);
375
376 /* schedule key release */
377 kfifo_in_locked(&sony_laptop_input.fifo,
378 (unsigned char *)&kp, sizeof(kp),
379 &sony_laptop_input.fifo_lock);
380 mod_timer(&sony_laptop_input.release_key_timer,
381 jiffies + msecs_to_jiffies(10));
382 } else
383 dprintk("unknown input event %.2x\n", event);
384 }
385
386 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
387 {
388 struct input_dev *jog_dev;
389 struct input_dev *key_dev;
390 int i;
391 int error;
392
393 /* don't run again if already initialized */
394 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
395 return 0;
396
397 /* kfifo */
398 spin_lock_init(&sony_laptop_input.fifo_lock);
399 error = kfifo_alloc(&sony_laptop_input.fifo,
400 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
401 if (error) {
402 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
403 goto err_dec_users;
404 }
405
406 setup_timer(&sony_laptop_input.release_key_timer,
407 do_sony_laptop_release_key, 0);
408
409 /* input keys */
410 key_dev = input_allocate_device();
411 if (!key_dev) {
412 error = -ENOMEM;
413 goto err_free_kfifo;
414 }
415
416 key_dev->name = "Sony Vaio Keys";
417 key_dev->id.bustype = BUS_ISA;
418 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
419 key_dev->dev.parent = &acpi_device->dev;
420
421 /* Initialize the Input Drivers: special keys */
422 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
423
424 __set_bit(EV_KEY, key_dev->evbit);
425 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
426 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
427 key_dev->keycode = &sony_laptop_input_keycode_map;
428 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
429 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
430 __clear_bit(KEY_RESERVED, key_dev->keybit);
431
432 error = input_register_device(key_dev);
433 if (error)
434 goto err_free_keydev;
435
436 sony_laptop_input.key_dev = key_dev;
437
438 /* jogdial */
439 jog_dev = input_allocate_device();
440 if (!jog_dev) {
441 error = -ENOMEM;
442 goto err_unregister_keydev;
443 }
444
445 jog_dev->name = "Sony Vaio Jogdial";
446 jog_dev->id.bustype = BUS_ISA;
447 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
448 key_dev->dev.parent = &acpi_device->dev;
449
450 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
451 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
452
453 error = input_register_device(jog_dev);
454 if (error)
455 goto err_free_jogdev;
456
457 sony_laptop_input.jog_dev = jog_dev;
458
459 return 0;
460
461 err_free_jogdev:
462 input_free_device(jog_dev);
463
464 err_unregister_keydev:
465 input_unregister_device(key_dev);
466 /* to avoid kref underflow below at input_free_device */
467 key_dev = NULL;
468
469 err_free_keydev:
470 input_free_device(key_dev);
471
472 err_free_kfifo:
473 kfifo_free(&sony_laptop_input.fifo);
474
475 err_dec_users:
476 atomic_dec(&sony_laptop_input.users);
477 return error;
478 }
479
480 static void sony_laptop_remove_input(void)
481 {
482 struct sony_laptop_keypress kp = { NULL };
483
484 /* Cleanup only after the last user has gone */
485 if (!atomic_dec_and_test(&sony_laptop_input.users))
486 return;
487
488 del_timer_sync(&sony_laptop_input.release_key_timer);
489
490 /*
491 * Generate key-up events for remaining keys. Note that we don't
492 * need locking since nobody is adding new events to the kfifo.
493 */
494 while (kfifo_out(&sony_laptop_input.fifo,
495 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
496 input_report_key(kp.dev, kp.key, 0);
497 input_sync(kp.dev);
498 }
499
500 /* destroy input devs */
501 input_unregister_device(sony_laptop_input.key_dev);
502 sony_laptop_input.key_dev = NULL;
503
504 if (sony_laptop_input.jog_dev) {
505 input_unregister_device(sony_laptop_input.jog_dev);
506 sony_laptop_input.jog_dev = NULL;
507 }
508
509 kfifo_free(&sony_laptop_input.fifo);
510 }
511
512 /*********** Platform Device ***********/
513
514 static atomic_t sony_pf_users = ATOMIC_INIT(0);
515 static struct platform_driver sony_pf_driver = {
516 .driver = {
517 .name = "sony-laptop",
518 .owner = THIS_MODULE,
519 }
520 };
521 static struct platform_device *sony_pf_device;
522
523 static int sony_pf_add(void)
524 {
525 int ret = 0;
526
527 /* don't run again if already initialized */
528 if (atomic_add_return(1, &sony_pf_users) > 1)
529 return 0;
530
531 ret = platform_driver_register(&sony_pf_driver);
532 if (ret)
533 goto out;
534
535 sony_pf_device = platform_device_alloc("sony-laptop", -1);
536 if (!sony_pf_device) {
537 ret = -ENOMEM;
538 goto out_platform_registered;
539 }
540
541 ret = platform_device_add(sony_pf_device);
542 if (ret)
543 goto out_platform_alloced;
544
545 return 0;
546
547 out_platform_alloced:
548 platform_device_put(sony_pf_device);
549 sony_pf_device = NULL;
550 out_platform_registered:
551 platform_driver_unregister(&sony_pf_driver);
552 out:
553 atomic_dec(&sony_pf_users);
554 return ret;
555 }
556
557 static void sony_pf_remove(void)
558 {
559 /* deregister only after the last user has gone */
560 if (!atomic_dec_and_test(&sony_pf_users))
561 return;
562
563 platform_device_del(sony_pf_device);
564 platform_device_put(sony_pf_device);
565 platform_driver_unregister(&sony_pf_driver);
566 }
567
568 /*********** SNC (SNY5001) Device ***********/
569
570 /* the device uses 1-based values, while the backlight subsystem uses
571 0-based values */
572 #define SONY_MAX_BRIGHTNESS 8
573
574 #define SNC_VALIDATE_IN 0
575 #define SNC_VALIDATE_OUT 1
576
577 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
578 char *);
579 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
580 const char *, size_t);
581 static int boolean_validate(const int, const int);
582 static int brightness_default_validate(const int, const int);
583
584 struct sony_nc_value {
585 char *name; /* name of the entry */
586 char **acpiget; /* names of the ACPI get function */
587 char **acpiset; /* names of the ACPI set function */
588 int (*validate)(const int, const int); /* input/output validation */
589 int value; /* current setting */
590 int valid; /* Has ever been set */
591 int debug; /* active only in debug mode ? */
592 struct device_attribute devattr; /* sysfs atribute */
593 };
594
595 #define SNC_HANDLE_NAMES(_name, _values...) \
596 static char *snc_##_name[] = { _values, NULL }
597
598 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
599 { \
600 .name = __stringify(_name), \
601 .acpiget = _getters, \
602 .acpiset = _setters, \
603 .validate = _validate, \
604 .debug = _debug, \
605 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
606 }
607
608 #define SNC_HANDLE_NULL { .name = NULL }
609
610 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
611
612 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
613 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
614
615 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
616 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
617
618 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
619 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
620
621 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
622 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
623
624 SNC_HANDLE_NAMES(lidstate_get, "GLID");
625
626 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
627 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
628
629 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
630 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
631
632 SNC_HANDLE_NAMES(PID_get, "GPID");
633
634 SNC_HANDLE_NAMES(CTR_get, "GCTR");
635 SNC_HANDLE_NAMES(CTR_set, "SCTR");
636
637 SNC_HANDLE_NAMES(PCR_get, "GPCR");
638 SNC_HANDLE_NAMES(PCR_set, "SPCR");
639
640 SNC_HANDLE_NAMES(CMI_get, "GCMI");
641 SNC_HANDLE_NAMES(CMI_set, "SCMI");
642
643 static struct sony_nc_value sony_nc_values[] = {
644 SNC_HANDLE(brightness_default, snc_brightness_def_get,
645 snc_brightness_def_set, brightness_default_validate, 0),
646 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
647 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
648 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
649 boolean_validate, 0),
650 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
651 boolean_validate, 1),
652 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
653 boolean_validate, 0),
654 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
655 boolean_validate, 0),
656 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
657 boolean_validate, 0),
658 /* unknown methods */
659 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
660 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
661 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
662 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
663 SNC_HANDLE_NULL
664 };
665
666 static acpi_handle sony_nc_acpi_handle;
667 static struct acpi_device *sony_nc_acpi_device = NULL;
668
669 /*
670 * acpi_evaluate_object wrappers
671 */
672 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
673 {
674 struct acpi_buffer output;
675 union acpi_object out_obj;
676 acpi_status status;
677
678 output.length = sizeof(out_obj);
679 output.pointer = &out_obj;
680
681 status = acpi_evaluate_object(handle, name, NULL, &output);
682 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
683 *result = out_obj.integer.value;
684 return 0;
685 }
686
687 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
688
689 return -1;
690 }
691
692 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
693 int *result)
694 {
695 struct acpi_object_list params;
696 union acpi_object in_obj;
697 struct acpi_buffer output;
698 union acpi_object out_obj;
699 acpi_status status;
700
701 params.count = 1;
702 params.pointer = &in_obj;
703 in_obj.type = ACPI_TYPE_INTEGER;
704 in_obj.integer.value = value;
705
706 output.length = sizeof(out_obj);
707 output.pointer = &out_obj;
708
709 status = acpi_evaluate_object(handle, name, &params, &output);
710 if (status == AE_OK) {
711 if (result != NULL) {
712 if (out_obj.type != ACPI_TYPE_INTEGER) {
713 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
714 "return type\n");
715 return -1;
716 }
717 *result = out_obj.integer.value;
718 }
719 return 0;
720 }
721
722 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
723
724 return -1;
725 }
726
727 static int sony_find_snc_handle(int handle)
728 {
729 int i;
730 int result;
731
732 for (i = 0x20; i < 0x30; i++) {
733 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
734 if (result == handle)
735 return i-0x20;
736 }
737
738 return -1;
739 }
740
741 static int sony_call_snc_handle(int handle, int argument, int *result)
742 {
743 int offset = sony_find_snc_handle(handle);
744
745 if (offset < 0)
746 return -1;
747
748 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
749 result);
750 }
751
752 /*
753 * sony_nc_values input/output validate functions
754 */
755
756 /* brightness_default_validate:
757 *
758 * manipulate input output values to keep consistency with the
759 * backlight framework for which brightness values are 0-based.
760 */
761 static int brightness_default_validate(const int direction, const int value)
762 {
763 switch (direction) {
764 case SNC_VALIDATE_OUT:
765 return value - 1;
766 case SNC_VALIDATE_IN:
767 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
768 return value + 1;
769 }
770 return -EINVAL;
771 }
772
773 /* boolean_validate:
774 *
775 * on input validate boolean values 0/1, on output just pass the
776 * received value.
777 */
778 static int boolean_validate(const int direction, const int value)
779 {
780 if (direction == SNC_VALIDATE_IN) {
781 if (value != 0 && value != 1)
782 return -EINVAL;
783 }
784 return value;
785 }
786
787 /*
788 * Sysfs show/store common to all sony_nc_values
789 */
790 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
791 char *buffer)
792 {
793 int value;
794 struct sony_nc_value *item =
795 container_of(attr, struct sony_nc_value, devattr);
796
797 if (!*item->acpiget)
798 return -EIO;
799
800 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
801 return -EIO;
802
803 if (item->validate)
804 value = item->validate(SNC_VALIDATE_OUT, value);
805
806 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
807 }
808
809 static ssize_t sony_nc_sysfs_store(struct device *dev,
810 struct device_attribute *attr,
811 const char *buffer, size_t count)
812 {
813 int value;
814 struct sony_nc_value *item =
815 container_of(attr, struct sony_nc_value, devattr);
816
817 if (!item->acpiset)
818 return -EIO;
819
820 if (count > 31)
821 return -EINVAL;
822
823 value = simple_strtoul(buffer, NULL, 10);
824
825 if (item->validate)
826 value = item->validate(SNC_VALIDATE_IN, value);
827
828 if (value < 0)
829 return value;
830
831 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
832 return -EIO;
833 item->value = value;
834 item->valid = 1;
835 return count;
836 }
837
838
839 /*
840 * Backlight device
841 */
842 static int sony_backlight_update_status(struct backlight_device *bd)
843 {
844 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
845 bd->props.brightness + 1, NULL);
846 }
847
848 static int sony_backlight_get_brightness(struct backlight_device *bd)
849 {
850 int value;
851
852 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
853 return 0;
854 /* brightness levels are 1-based, while backlight ones are 0-based */
855 return value - 1;
856 }
857
858 static struct backlight_device *sony_backlight_device;
859 static struct backlight_ops sony_backlight_ops = {
860 .update_status = sony_backlight_update_status,
861 .get_brightness = sony_backlight_get_brightness,
862 };
863
864 /*
865 * New SNC-only Vaios event mapping to driver known keys
866 */
867 struct sony_nc_event {
868 u8 data;
869 u8 event;
870 };
871
872 static struct sony_nc_event sony_100_events[] = {
873 { 0x90, SONYPI_EVENT_PKEY_P1 },
874 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
875 { 0x91, SONYPI_EVENT_PKEY_P2 },
876 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
877 { 0x81, SONYPI_EVENT_FNKEY_F1 },
878 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
879 { 0x82, SONYPI_EVENT_FNKEY_F2 },
880 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
881 { 0x83, SONYPI_EVENT_FNKEY_F3 },
882 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
883 { 0x84, SONYPI_EVENT_FNKEY_F4 },
884 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
885 { 0x85, SONYPI_EVENT_FNKEY_F5 },
886 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
887 { 0x86, SONYPI_EVENT_FNKEY_F6 },
888 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
889 { 0x87, SONYPI_EVENT_FNKEY_F7 },
890 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
891 { 0x89, SONYPI_EVENT_FNKEY_F9 },
892 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
893 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
894 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
895 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
896 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
897 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
898 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
899 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
900 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
901 { 0, 0 },
902 };
903
904 static struct sony_nc_event sony_127_events[] = {
905 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
906 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
907 { 0x82, SONYPI_EVENT_PKEY_P1 },
908 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
909 { 0x83, SONYPI_EVENT_PKEY_P2 },
910 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
911 { 0x84, SONYPI_EVENT_PKEY_P3 },
912 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
913 { 0x85, SONYPI_EVENT_PKEY_P4 },
914 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
915 { 0x86, SONYPI_EVENT_PKEY_P5 },
916 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
917 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
918 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
919 { 0, 0 },
920 };
921
922 /*
923 * ACPI callbacks
924 */
925 static void sony_nc_notify(struct acpi_device *device, u32 event)
926 {
927 u32 ev = event;
928
929 if (ev >= 0x90) {
930 /* New-style event */
931 int result;
932 int key_handle = 0;
933 ev -= 0x90;
934
935 if (sony_find_snc_handle(0x100) == ev)
936 key_handle = 0x100;
937 if (sony_find_snc_handle(0x127) == ev)
938 key_handle = 0x127;
939
940 if (key_handle) {
941 struct sony_nc_event *key_event;
942
943 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
944 dprintk("sony_nc_notify, unable to decode"
945 " event 0x%.2x 0x%.2x\n", key_handle,
946 ev);
947 /* restore the original event */
948 ev = event;
949 } else {
950 ev = result & 0xFF;
951
952 if (key_handle == 0x100)
953 key_event = sony_100_events;
954 else
955 key_event = sony_127_events;
956
957 for (; key_event->data; key_event++) {
958 if (key_event->data == ev) {
959 ev = key_event->event;
960 break;
961 }
962 }
963
964 if (!key_event->data)
965 printk(KERN_INFO DRV_PFX
966 "Unknown event: 0x%x 0x%x\n",
967 key_handle,
968 ev);
969 else
970 sony_laptop_report_input_event(ev);
971 }
972 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
973 sony_nc_rfkill_update();
974 return;
975 }
976 } else
977 sony_laptop_report_input_event(ev);
978
979 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
980 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
981 }
982
983 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
984 void *context, void **return_value)
985 {
986 struct acpi_device_info *info;
987
988 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
989 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
990 (char *)&info->name, info->param_count);
991
992 kfree(info);
993 }
994
995 return AE_OK;
996 }
997
998 /*
999 * ACPI device
1000 */
1001 static int sony_nc_function_setup(struct acpi_device *device)
1002 {
1003 int result;
1004
1005 /* Enable all events */
1006 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1007
1008 /* Setup hotkeys */
1009 sony_call_snc_handle(0x0100, 0, &result);
1010 sony_call_snc_handle(0x0101, 0, &result);
1011 sony_call_snc_handle(0x0102, 0x100, &result);
1012 sony_call_snc_handle(0x0127, 0, &result);
1013
1014 return 0;
1015 }
1016
1017 static int sony_nc_resume(struct acpi_device *device)
1018 {
1019 struct sony_nc_value *item;
1020 acpi_handle handle;
1021
1022 for (item = sony_nc_values; item->name; item++) {
1023 int ret;
1024
1025 if (!item->valid)
1026 continue;
1027 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1028 item->value, NULL);
1029 if (ret < 0) {
1030 printk("%s: %d\n", __func__, ret);
1031 break;
1032 }
1033 }
1034
1035 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1036 &handle))) {
1037 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1038 dprintk("ECON Method failed\n");
1039 }
1040
1041 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1042 &handle))) {
1043 dprintk("Doing SNC setup\n");
1044 sony_nc_function_setup(device);
1045 }
1046
1047 /* set the last requested brightness level */
1048 if (sony_backlight_device &&
1049 sony_backlight_update_status(sony_backlight_device) < 0)
1050 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1051
1052 /* re-read rfkill state */
1053 sony_nc_rfkill_update();
1054
1055 return 0;
1056 }
1057
1058 static void sony_nc_rfkill_cleanup(void)
1059 {
1060 int i;
1061
1062 for (i = 0; i < N_SONY_RFKILL; i++) {
1063 if (sony_rfkill_devices[i]) {
1064 rfkill_unregister(sony_rfkill_devices[i]);
1065 rfkill_destroy(sony_rfkill_devices[i]);
1066 }
1067 }
1068 }
1069
1070 static int sony_nc_rfkill_set(void *data, bool blocked)
1071 {
1072 int result;
1073 int argument = sony_rfkill_address[(long) data] + 0x100;
1074
1075 if (!blocked)
1076 argument |= 0xff0000;
1077
1078 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1079 }
1080
1081 static const struct rfkill_ops sony_rfkill_ops = {
1082 .set_block = sony_nc_rfkill_set,
1083 };
1084
1085 static int sony_nc_setup_rfkill(struct acpi_device *device,
1086 enum sony_nc_rfkill nc_type)
1087 {
1088 int err = 0;
1089 struct rfkill *rfk;
1090 enum rfkill_type type;
1091 const char *name;
1092 int result;
1093 bool hwblock;
1094
1095 switch (nc_type) {
1096 case SONY_WIFI:
1097 type = RFKILL_TYPE_WLAN;
1098 name = "sony-wifi";
1099 break;
1100 case SONY_BLUETOOTH:
1101 type = RFKILL_TYPE_BLUETOOTH;
1102 name = "sony-bluetooth";
1103 break;
1104 case SONY_WWAN:
1105 type = RFKILL_TYPE_WWAN;
1106 name = "sony-wwan";
1107 break;
1108 case SONY_WIMAX:
1109 type = RFKILL_TYPE_WIMAX;
1110 name = "sony-wimax";
1111 break;
1112 default:
1113 return -EINVAL;
1114 }
1115
1116 rfk = rfkill_alloc(name, &device->dev, type,
1117 &sony_rfkill_ops, (void *)nc_type);
1118 if (!rfk)
1119 return -ENOMEM;
1120
1121 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1122 hwblock = !(result & 0x1);
1123 rfkill_set_hw_state(rfk, hwblock);
1124
1125 err = rfkill_register(rfk);
1126 if (err) {
1127 rfkill_destroy(rfk);
1128 return err;
1129 }
1130 sony_rfkill_devices[nc_type] = rfk;
1131 return err;
1132 }
1133
1134 static void sony_nc_rfkill_update()
1135 {
1136 enum sony_nc_rfkill i;
1137 int result;
1138 bool hwblock;
1139
1140 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1141 hwblock = !(result & 0x1);
1142
1143 for (i = 0; i < N_SONY_RFKILL; i++) {
1144 int argument = sony_rfkill_address[i];
1145
1146 if (!sony_rfkill_devices[i])
1147 continue;
1148
1149 if (hwblock) {
1150 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1151 /* we already know we're blocked */
1152 }
1153 continue;
1154 }
1155
1156 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1157 rfkill_set_states(sony_rfkill_devices[i],
1158 !(result & 0xf), false);
1159 }
1160 }
1161
1162 static void sony_nc_rfkill_setup(struct acpi_device *device)
1163 {
1164 int offset;
1165 u8 dev_code, i;
1166 acpi_status status;
1167 struct acpi_object_list params;
1168 union acpi_object in_obj;
1169 union acpi_object *device_enum;
1170 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1171
1172 offset = sony_find_snc_handle(0x124);
1173 if (offset == -1) {
1174 offset = sony_find_snc_handle(0x135);
1175 if (offset == -1)
1176 return;
1177 else
1178 sony_rfkill_handle = 0x135;
1179 } else
1180 sony_rfkill_handle = 0x124;
1181 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1182
1183 /* need to read the whole buffer returned by the acpi call to SN06
1184 * here otherwise we may miss some features
1185 */
1186 params.count = 1;
1187 params.pointer = &in_obj;
1188 in_obj.type = ACPI_TYPE_INTEGER;
1189 in_obj.integer.value = offset;
1190 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1191 &buffer);
1192 if (ACPI_FAILURE(status)) {
1193 dprintk("Radio device enumeration failed\n");
1194 return;
1195 }
1196
1197 device_enum = (union acpi_object *) buffer.pointer;
1198 if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1199 printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n",
1200 device_enum->type);
1201 goto out_no_enum;
1202 }
1203
1204 /* the buffer is filled with magic numbers describing the devices
1205 * available, 0xff terminates the enumeration
1206 */
1207 for (i = 0; i < device_enum->buffer.length; i++) {
1208
1209 dev_code = *(device_enum->buffer.pointer + i);
1210 if (dev_code == 0xff)
1211 break;
1212
1213 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1214
1215 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1216 sony_nc_setup_rfkill(device, SONY_WIFI);
1217
1218 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1219 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1220
1221 if ((0xf0 & dev_code) == 0x20 &&
1222 !sony_rfkill_devices[SONY_WWAN])
1223 sony_nc_setup_rfkill(device, SONY_WWAN);
1224
1225 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1226 sony_nc_setup_rfkill(device, SONY_WIMAX);
1227 }
1228
1229 out_no_enum:
1230 kfree(buffer.pointer);
1231 return;
1232 }
1233
1234 static int sony_nc_add(struct acpi_device *device)
1235 {
1236 acpi_status status;
1237 int result = 0;
1238 acpi_handle handle;
1239 struct sony_nc_value *item;
1240
1241 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1242 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1243
1244 sony_nc_acpi_device = device;
1245 strcpy(acpi_device_class(device), "sony/hotkey");
1246
1247 sony_nc_acpi_handle = device->handle;
1248
1249 /* read device status */
1250 result = acpi_bus_get_status(device);
1251 /* bail IFF the above call was successful and the device is not present */
1252 if (!result && !device->status.present) {
1253 dprintk("Device not present\n");
1254 result = -ENODEV;
1255 goto outwalk;
1256 }
1257
1258 if (debug) {
1259 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1260 1, sony_walk_callback, NULL, NULL, NULL);
1261 if (ACPI_FAILURE(status)) {
1262 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1263 result = -ENODEV;
1264 goto outwalk;
1265 }
1266 }
1267
1268 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1269 &handle))) {
1270 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1271 dprintk("ECON Method failed\n");
1272 }
1273
1274 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1275 &handle))) {
1276 dprintk("Doing SNC setup\n");
1277 sony_nc_function_setup(device);
1278 sony_nc_rfkill_setup(device);
1279 }
1280
1281 /* setup input devices and helper fifo */
1282 result = sony_laptop_setup_input(device);
1283 if (result) {
1284 printk(KERN_ERR DRV_PFX
1285 "Unable to create input devices.\n");
1286 goto outwalk;
1287 }
1288
1289 if (acpi_video_backlight_support()) {
1290 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1291 "controlled by ACPI video driver\n");
1292 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1293 &handle))) {
1294 struct backlight_properties props;
1295 memset(&props, 0, sizeof(struct backlight_properties));
1296 props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
1297 sony_backlight_device = backlight_device_register("sony", NULL,
1298 NULL,
1299 &sony_backlight_ops,
1300 &props);
1301
1302 if (IS_ERR(sony_backlight_device)) {
1303 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1304 sony_backlight_device = NULL;
1305 } else {
1306 sony_backlight_device->props.brightness =
1307 sony_backlight_get_brightness
1308 (sony_backlight_device);
1309 }
1310
1311 }
1312
1313 result = sony_pf_add();
1314 if (result)
1315 goto outbacklight;
1316
1317 /* create sony_pf sysfs attributes related to the SNC device */
1318 for (item = sony_nc_values; item->name; ++item) {
1319
1320 if (!debug && item->debug)
1321 continue;
1322
1323 /* find the available acpiget as described in the DSDT */
1324 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1325 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1326 *item->acpiget,
1327 &handle))) {
1328 dprintk("Found %s getter: %s\n",
1329 item->name, *item->acpiget);
1330 item->devattr.attr.mode |= S_IRUGO;
1331 break;
1332 }
1333 }
1334
1335 /* find the available acpiset as described in the DSDT */
1336 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1337 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1338 *item->acpiset,
1339 &handle))) {
1340 dprintk("Found %s setter: %s\n",
1341 item->name, *item->acpiset);
1342 item->devattr.attr.mode |= S_IWUSR;
1343 break;
1344 }
1345 }
1346
1347 if (item->devattr.attr.mode != 0) {
1348 result =
1349 device_create_file(&sony_pf_device->dev,
1350 &item->devattr);
1351 if (result)
1352 goto out_sysfs;
1353 }
1354 }
1355
1356 return 0;
1357
1358 out_sysfs:
1359 for (item = sony_nc_values; item->name; ++item) {
1360 device_remove_file(&sony_pf_device->dev, &item->devattr);
1361 }
1362 sony_pf_remove();
1363
1364 outbacklight:
1365 if (sony_backlight_device)
1366 backlight_device_unregister(sony_backlight_device);
1367
1368 sony_laptop_remove_input();
1369
1370 outwalk:
1371 sony_nc_rfkill_cleanup();
1372 return result;
1373 }
1374
1375 static int sony_nc_remove(struct acpi_device *device, int type)
1376 {
1377 struct sony_nc_value *item;
1378
1379 if (sony_backlight_device)
1380 backlight_device_unregister(sony_backlight_device);
1381
1382 sony_nc_acpi_device = NULL;
1383
1384 for (item = sony_nc_values; item->name; ++item) {
1385 device_remove_file(&sony_pf_device->dev, &item->devattr);
1386 }
1387
1388 sony_pf_remove();
1389 sony_laptop_remove_input();
1390 sony_nc_rfkill_cleanup();
1391 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1392
1393 return 0;
1394 }
1395
1396 static const struct acpi_device_id sony_device_ids[] = {
1397 {SONY_NC_HID, 0},
1398 {SONY_PIC_HID, 0},
1399 {"", 0},
1400 };
1401 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1402
1403 static const struct acpi_device_id sony_nc_device_ids[] = {
1404 {SONY_NC_HID, 0},
1405 {"", 0},
1406 };
1407
1408 static struct acpi_driver sony_nc_driver = {
1409 .name = SONY_NC_DRIVER_NAME,
1410 .class = SONY_NC_CLASS,
1411 .ids = sony_nc_device_ids,
1412 .owner = THIS_MODULE,
1413 .ops = {
1414 .add = sony_nc_add,
1415 .remove = sony_nc_remove,
1416 .resume = sony_nc_resume,
1417 .notify = sony_nc_notify,
1418 },
1419 };
1420
1421 /*********** SPIC (SNY6001) Device ***********/
1422
1423 #define SONYPI_DEVICE_TYPE1 0x00000001
1424 #define SONYPI_DEVICE_TYPE2 0x00000002
1425 #define SONYPI_DEVICE_TYPE3 0x00000004
1426 #define SONYPI_DEVICE_TYPE4 0x00000008
1427
1428 #define SONYPI_TYPE1_OFFSET 0x04
1429 #define SONYPI_TYPE2_OFFSET 0x12
1430 #define SONYPI_TYPE3_OFFSET 0x12
1431
1432 struct sony_pic_ioport {
1433 struct acpi_resource_io io1;
1434 struct acpi_resource_io io2;
1435 struct list_head list;
1436 };
1437
1438 struct sony_pic_irq {
1439 struct acpi_resource_irq irq;
1440 struct list_head list;
1441 };
1442
1443 struct sonypi_eventtypes {
1444 u8 data;
1445 unsigned long mask;
1446 struct sonypi_event *events;
1447 };
1448
1449 struct sony_pic_dev {
1450 struct acpi_device *acpi_dev;
1451 struct sony_pic_irq *cur_irq;
1452 struct sony_pic_ioport *cur_ioport;
1453 struct list_head interrupts;
1454 struct list_head ioports;
1455 struct mutex lock;
1456 struct sonypi_eventtypes *event_types;
1457 int (*handle_irq)(const u8, const u8);
1458 int model;
1459 u16 evport_offset;
1460 u8 camera_power;
1461 u8 bluetooth_power;
1462 u8 wwan_power;
1463 };
1464
1465 static struct sony_pic_dev spic_dev = {
1466 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1467 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1468 };
1469
1470 static int spic_drv_registered;
1471
1472 /* Event masks */
1473 #define SONYPI_JOGGER_MASK 0x00000001
1474 #define SONYPI_CAPTURE_MASK 0x00000002
1475 #define SONYPI_FNKEY_MASK 0x00000004
1476 #define SONYPI_BLUETOOTH_MASK 0x00000008
1477 #define SONYPI_PKEY_MASK 0x00000010
1478 #define SONYPI_BACK_MASK 0x00000020
1479 #define SONYPI_HELP_MASK 0x00000040
1480 #define SONYPI_LID_MASK 0x00000080
1481 #define SONYPI_ZOOM_MASK 0x00000100
1482 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1483 #define SONYPI_MEYE_MASK 0x00000400
1484 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1485 #define SONYPI_BATTERY_MASK 0x00001000
1486 #define SONYPI_WIRELESS_MASK 0x00002000
1487
1488 struct sonypi_event {
1489 u8 data;
1490 u8 event;
1491 };
1492
1493 /* The set of possible button release events */
1494 static struct sonypi_event sonypi_releaseev[] = {
1495 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1496 { 0, 0 }
1497 };
1498
1499 /* The set of possible jogger events */
1500 static struct sonypi_event sonypi_joggerev[] = {
1501 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1502 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1503 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1504 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1505 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1506 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1507 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1508 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1509 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1510 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1511 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1512 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1513 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1514 { 0, 0 }
1515 };
1516
1517 /* The set of possible capture button events */
1518 static struct sonypi_event sonypi_captureev[] = {
1519 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1520 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1521 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1522 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1523 { 0, 0 }
1524 };
1525
1526 /* The set of possible fnkeys events */
1527 static struct sonypi_event sonypi_fnkeyev[] = {
1528 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1529 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1530 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1531 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1532 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1533 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1534 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1535 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1536 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1537 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1538 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1539 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1540 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1541 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1542 { 0x21, SONYPI_EVENT_FNKEY_1 },
1543 { 0x22, SONYPI_EVENT_FNKEY_2 },
1544 { 0x31, SONYPI_EVENT_FNKEY_D },
1545 { 0x32, SONYPI_EVENT_FNKEY_E },
1546 { 0x33, SONYPI_EVENT_FNKEY_F },
1547 { 0x34, SONYPI_EVENT_FNKEY_S },
1548 { 0x35, SONYPI_EVENT_FNKEY_B },
1549 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1550 { 0, 0 }
1551 };
1552
1553 /* The set of possible program key events */
1554 static struct sonypi_event sonypi_pkeyev[] = {
1555 { 0x01, SONYPI_EVENT_PKEY_P1 },
1556 { 0x02, SONYPI_EVENT_PKEY_P2 },
1557 { 0x04, SONYPI_EVENT_PKEY_P3 },
1558 { 0x20, SONYPI_EVENT_PKEY_P1 },
1559 { 0, 0 }
1560 };
1561
1562 /* The set of possible bluetooth events */
1563 static struct sonypi_event sonypi_blueev[] = {
1564 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1565 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1566 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1567 { 0, 0 }
1568 };
1569
1570 /* The set of possible wireless events */
1571 static struct sonypi_event sonypi_wlessev[] = {
1572 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1573 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1574 { 0, 0 }
1575 };
1576
1577 /* The set of possible back button events */
1578 static struct sonypi_event sonypi_backev[] = {
1579 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1580 { 0, 0 }
1581 };
1582
1583 /* The set of possible help button events */
1584 static struct sonypi_event sonypi_helpev[] = {
1585 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1586 { 0, 0 }
1587 };
1588
1589
1590 /* The set of possible lid events */
1591 static struct sonypi_event sonypi_lidev[] = {
1592 { 0x51, SONYPI_EVENT_LID_CLOSED },
1593 { 0x50, SONYPI_EVENT_LID_OPENED },
1594 { 0, 0 }
1595 };
1596
1597 /* The set of possible zoom events */
1598 static struct sonypi_event sonypi_zoomev[] = {
1599 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1600 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1601 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1602 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1603 { 0, 0 }
1604 };
1605
1606 /* The set of possible thumbphrase events */
1607 static struct sonypi_event sonypi_thumbphraseev[] = {
1608 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1609 { 0, 0 }
1610 };
1611
1612 /* The set of possible motioneye camera events */
1613 static struct sonypi_event sonypi_meyeev[] = {
1614 { 0x00, SONYPI_EVENT_MEYE_FACE },
1615 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1616 { 0, 0 }
1617 };
1618
1619 /* The set of possible memorystick events */
1620 static struct sonypi_event sonypi_memorystickev[] = {
1621 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1622 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1623 { 0, 0 }
1624 };
1625
1626 /* The set of possible battery events */
1627 static struct sonypi_event sonypi_batteryev[] = {
1628 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1629 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1630 { 0, 0 }
1631 };
1632
1633 /* The set of possible volume events */
1634 static struct sonypi_event sonypi_volumeev[] = {
1635 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1636 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1637 { 0, 0 }
1638 };
1639
1640 /* The set of possible brightness events */
1641 static struct sonypi_event sonypi_brightnessev[] = {
1642 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1643 { 0, 0 }
1644 };
1645
1646 static struct sonypi_eventtypes type1_events[] = {
1647 { 0, 0xffffffff, sonypi_releaseev },
1648 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1649 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1650 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1651 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1652 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1653 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1654 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1655 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1656 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1657 { 0 },
1658 };
1659 static struct sonypi_eventtypes type2_events[] = {
1660 { 0, 0xffffffff, sonypi_releaseev },
1661 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1662 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1663 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1664 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1665 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1666 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1667 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1668 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1669 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1670 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1671 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1672 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1673 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1674 { 0 },
1675 };
1676 static struct sonypi_eventtypes type3_events[] = {
1677 { 0, 0xffffffff, sonypi_releaseev },
1678 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1679 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1680 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1681 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1682 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1683 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1684 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1685 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1686 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1687 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1688 { 0 },
1689 };
1690
1691 /* low level spic calls */
1692 #define ITERATIONS_LONG 10000
1693 #define ITERATIONS_SHORT 10
1694 #define wait_on_command(command, iterations) { \
1695 unsigned int n = iterations; \
1696 while (--n && (command)) \
1697 udelay(1); \
1698 if (!n) \
1699 dprintk("command failed at %s : %s (line %d)\n", \
1700 __FILE__, __func__, __LINE__); \
1701 }
1702
1703 static u8 sony_pic_call1(u8 dev)
1704 {
1705 u8 v1, v2;
1706
1707 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1708 ITERATIONS_LONG);
1709 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1710 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1711 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1712 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1713 return v2;
1714 }
1715
1716 static u8 sony_pic_call2(u8 dev, u8 fn)
1717 {
1718 u8 v1;
1719
1720 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1721 ITERATIONS_LONG);
1722 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1723 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1724 ITERATIONS_LONG);
1725 outb(fn, spic_dev.cur_ioport->io1.minimum);
1726 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1727 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1728 return v1;
1729 }
1730
1731 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1732 {
1733 u8 v1;
1734
1735 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1736 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1737 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1738 outb(fn, spic_dev.cur_ioport->io1.minimum);
1739 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1740 outb(v, spic_dev.cur_ioport->io1.minimum);
1741 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1742 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1743 dev, fn, v, v1);
1744 return v1;
1745 }
1746
1747 /*
1748 * minidrivers for SPIC models
1749 */
1750 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1751 {
1752 /*
1753 * 0x31 could mean we have to take some extra action and wait for
1754 * the next irq for some Type3 models, it will generate a new
1755 * irq and we can read new data from the device:
1756 * - 0x5c and 0x5f requires 0xA0
1757 * - 0x61 requires 0xB3
1758 */
1759 if (data_mask == 0x31) {
1760 if (ev == 0x5c || ev == 0x5f)
1761 sony_pic_call1(0xA0);
1762 else if (ev == 0x61)
1763 sony_pic_call1(0xB3);
1764 return 0;
1765 }
1766 return 1;
1767 }
1768
1769 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1770 {
1771 struct pci_dev *pcidev;
1772
1773 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1774 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1775 if (pcidev) {
1776 dev->model = SONYPI_DEVICE_TYPE1;
1777 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1778 dev->event_types = type1_events;
1779 goto out;
1780 }
1781
1782 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1783 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1784 if (pcidev) {
1785 dev->model = SONYPI_DEVICE_TYPE2;
1786 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1787 dev->event_types = type2_events;
1788 goto out;
1789 }
1790
1791 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1792 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1793 if (pcidev) {
1794 dev->model = SONYPI_DEVICE_TYPE3;
1795 dev->handle_irq = type3_handle_irq;
1796 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1797 dev->event_types = type3_events;
1798 goto out;
1799 }
1800
1801 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1802 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1803 if (pcidev) {
1804 dev->model = SONYPI_DEVICE_TYPE3;
1805 dev->handle_irq = type3_handle_irq;
1806 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1807 dev->event_types = type3_events;
1808 goto out;
1809 }
1810
1811 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1812 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1813 if (pcidev) {
1814 dev->model = SONYPI_DEVICE_TYPE3;
1815 dev->handle_irq = type3_handle_irq;
1816 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1817 dev->event_types = type3_events;
1818 goto out;
1819 }
1820
1821 /* default */
1822 dev->model = SONYPI_DEVICE_TYPE2;
1823 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1824 dev->event_types = type2_events;
1825
1826 out:
1827 if (pcidev)
1828 pci_dev_put(pcidev);
1829
1830 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1831 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1832 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1833 }
1834
1835 /* camera tests and poweron/poweroff */
1836 #define SONYPI_CAMERA_PICTURE 5
1837 #define SONYPI_CAMERA_CONTROL 0x10
1838
1839 #define SONYPI_CAMERA_BRIGHTNESS 0
1840 #define SONYPI_CAMERA_CONTRAST 1
1841 #define SONYPI_CAMERA_HUE 2
1842 #define SONYPI_CAMERA_COLOR 3
1843 #define SONYPI_CAMERA_SHARPNESS 4
1844
1845 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1846 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1847 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1848 #define SONYPI_CAMERA_MUTE_MASK 0x40
1849
1850 /* the rest don't need a loop until not 0xff */
1851 #define SONYPI_CAMERA_AGC 6
1852 #define SONYPI_CAMERA_AGC_MASK 0x30
1853 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1854
1855 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1856 #define SONYPI_CAMERA_CONTROL 0x10
1857
1858 #define SONYPI_CAMERA_STATUS 7
1859 #define SONYPI_CAMERA_STATUS_READY 0x2
1860 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1861
1862 #define SONYPI_DIRECTION_BACKWARDS 0x4
1863
1864 #define SONYPI_CAMERA_REVISION 8
1865 #define SONYPI_CAMERA_ROMVERSION 9
1866
1867 static int __sony_pic_camera_ready(void)
1868 {
1869 u8 v;
1870
1871 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1872 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1873 }
1874
1875 static int __sony_pic_camera_off(void)
1876 {
1877 if (!camera) {
1878 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1879 return -ENODEV;
1880 }
1881
1882 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1883 SONYPI_CAMERA_MUTE_MASK),
1884 ITERATIONS_SHORT);
1885
1886 if (spic_dev.camera_power) {
1887 sony_pic_call2(0x91, 0);
1888 spic_dev.camera_power = 0;
1889 }
1890 return 0;
1891 }
1892
1893 static int __sony_pic_camera_on(void)
1894 {
1895 int i, j, x;
1896
1897 if (!camera) {
1898 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1899 return -ENODEV;
1900 }
1901
1902 if (spic_dev.camera_power)
1903 return 0;
1904
1905 for (j = 5; j > 0; j--) {
1906
1907 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1908 msleep(10);
1909 sony_pic_call1(0x93);
1910
1911 for (i = 400; i > 0; i--) {
1912 if (__sony_pic_camera_ready())
1913 break;
1914 msleep(10);
1915 }
1916 if (i)
1917 break;
1918 }
1919
1920 if (j == 0) {
1921 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1922 return -ENODEV;
1923 }
1924
1925 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1926 0x5a),
1927 ITERATIONS_SHORT);
1928
1929 spic_dev.camera_power = 1;
1930 return 0;
1931 }
1932
1933 /* External camera command (exported to the motion eye v4l driver) */
1934 int sony_pic_camera_command(int command, u8 value)
1935 {
1936 if (!camera)
1937 return -EIO;
1938
1939 mutex_lock(&spic_dev.lock);
1940
1941 switch (command) {
1942 case SONY_PIC_COMMAND_SETCAMERA:
1943 if (value)
1944 __sony_pic_camera_on();
1945 else
1946 __sony_pic_camera_off();
1947 break;
1948 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1949 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1950 ITERATIONS_SHORT);
1951 break;
1952 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1953 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1954 ITERATIONS_SHORT);
1955 break;
1956 case SONY_PIC_COMMAND_SETCAMERAHUE:
1957 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1958 ITERATIONS_SHORT);
1959 break;
1960 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1961 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1962 ITERATIONS_SHORT);
1963 break;
1964 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1965 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1966 ITERATIONS_SHORT);
1967 break;
1968 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1969 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1970 ITERATIONS_SHORT);
1971 break;
1972 case SONY_PIC_COMMAND_SETCAMERAAGC:
1973 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1974 ITERATIONS_SHORT);
1975 break;
1976 default:
1977 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1978 command);
1979 break;
1980 }
1981 mutex_unlock(&spic_dev.lock);
1982 return 0;
1983 }
1984 EXPORT_SYMBOL(sony_pic_camera_command);
1985
1986 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1987 static void __sony_pic_set_wwanpower(u8 state)
1988 {
1989 state = !!state;
1990 if (spic_dev.wwan_power == state)
1991 return;
1992 sony_pic_call2(0xB0, state);
1993 sony_pic_call1(0x82);
1994 spic_dev.wwan_power = state;
1995 }
1996
1997 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1998 struct device_attribute *attr,
1999 const char *buffer, size_t count)
2000 {
2001 unsigned long value;
2002 if (count > 31)
2003 return -EINVAL;
2004
2005 value = simple_strtoul(buffer, NULL, 10);
2006 mutex_lock(&spic_dev.lock);
2007 __sony_pic_set_wwanpower(value);
2008 mutex_unlock(&spic_dev.lock);
2009
2010 return count;
2011 }
2012
2013 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2014 struct device_attribute *attr, char *buffer)
2015 {
2016 ssize_t count;
2017 mutex_lock(&spic_dev.lock);
2018 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2019 mutex_unlock(&spic_dev.lock);
2020 return count;
2021 }
2022
2023 /* bluetooth subsystem power state */
2024 static void __sony_pic_set_bluetoothpower(u8 state)
2025 {
2026 state = !!state;
2027 if (spic_dev.bluetooth_power == state)
2028 return;
2029 sony_pic_call2(0x96, state);
2030 sony_pic_call1(0x82);
2031 spic_dev.bluetooth_power = state;
2032 }
2033
2034 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2035 struct device_attribute *attr,
2036 const char *buffer, size_t count)
2037 {
2038 unsigned long value;
2039 if (count > 31)
2040 return -EINVAL;
2041
2042 value = simple_strtoul(buffer, NULL, 10);
2043 mutex_lock(&spic_dev.lock);
2044 __sony_pic_set_bluetoothpower(value);
2045 mutex_unlock(&spic_dev.lock);
2046
2047 return count;
2048 }
2049
2050 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2051 struct device_attribute *attr, char *buffer)
2052 {
2053 ssize_t count = 0;
2054 mutex_lock(&spic_dev.lock);
2055 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2056 mutex_unlock(&spic_dev.lock);
2057 return count;
2058 }
2059
2060 /* fan speed */
2061 /* FAN0 information (reverse engineered from ACPI tables) */
2062 #define SONY_PIC_FAN0_STATUS 0x93
2063 static int sony_pic_set_fanspeed(unsigned long value)
2064 {
2065 return ec_write(SONY_PIC_FAN0_STATUS, value);
2066 }
2067
2068 static int sony_pic_get_fanspeed(u8 *value)
2069 {
2070 return ec_read(SONY_PIC_FAN0_STATUS, value);
2071 }
2072
2073 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2074 struct device_attribute *attr,
2075 const char *buffer, size_t count)
2076 {
2077 unsigned long value;
2078 if (count > 31)
2079 return -EINVAL;
2080
2081 value = simple_strtoul(buffer, NULL, 10);
2082 if (sony_pic_set_fanspeed(value))
2083 return -EIO;
2084
2085 return count;
2086 }
2087
2088 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2089 struct device_attribute *attr, char *buffer)
2090 {
2091 u8 value = 0;
2092 if (sony_pic_get_fanspeed(&value))
2093 return -EIO;
2094
2095 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2096 }
2097
2098 #define SPIC_ATTR(_name, _mode) \
2099 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2100 _mode, sony_pic_## _name ##_show, \
2101 sony_pic_## _name ##_store)
2102
2103 static SPIC_ATTR(bluetoothpower, 0644);
2104 static SPIC_ATTR(wwanpower, 0644);
2105 static SPIC_ATTR(fanspeed, 0644);
2106
2107 static struct attribute *spic_attributes[] = {
2108 &spic_attr_bluetoothpower.attr,
2109 &spic_attr_wwanpower.attr,
2110 &spic_attr_fanspeed.attr,
2111 NULL
2112 };
2113
2114 static struct attribute_group spic_attribute_group = {
2115 .attrs = spic_attributes
2116 };
2117
2118 /******** SONYPI compatibility **********/
2119 #ifdef CONFIG_SONYPI_COMPAT
2120
2121 /* battery / brightness / temperature addresses */
2122 #define SONYPI_BAT_FLAGS 0x81
2123 #define SONYPI_LCD_LIGHT 0x96
2124 #define SONYPI_BAT1_PCTRM 0xa0
2125 #define SONYPI_BAT1_LEFT 0xa2
2126 #define SONYPI_BAT1_MAXRT 0xa4
2127 #define SONYPI_BAT2_PCTRM 0xa8
2128 #define SONYPI_BAT2_LEFT 0xaa
2129 #define SONYPI_BAT2_MAXRT 0xac
2130 #define SONYPI_BAT1_MAXTK 0xb0
2131 #define SONYPI_BAT1_FULL 0xb2
2132 #define SONYPI_BAT2_MAXTK 0xb8
2133 #define SONYPI_BAT2_FULL 0xba
2134 #define SONYPI_TEMP_STATUS 0xC1
2135
2136 struct sonypi_compat_s {
2137 struct fasync_struct *fifo_async;
2138 struct kfifo fifo;
2139 spinlock_t fifo_lock;
2140 wait_queue_head_t fifo_proc_list;
2141 atomic_t open_count;
2142 };
2143 static struct sonypi_compat_s sonypi_compat = {
2144 .open_count = ATOMIC_INIT(0),
2145 };
2146
2147 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2148 {
2149 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2150 }
2151
2152 static int sonypi_misc_release(struct inode *inode, struct file *file)
2153 {
2154 atomic_dec(&sonypi_compat.open_count);
2155 return 0;
2156 }
2157
2158 static int sonypi_misc_open(struct inode *inode, struct file *file)
2159 {
2160 /* Flush input queue on first open */
2161 unsigned long flags;
2162
2163 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2164
2165 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2166 kfifo_reset(&sonypi_compat.fifo);
2167
2168 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2169
2170 return 0;
2171 }
2172
2173 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2174 size_t count, loff_t *pos)
2175 {
2176 ssize_t ret;
2177 unsigned char c;
2178
2179 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2180 (file->f_flags & O_NONBLOCK))
2181 return -EAGAIN;
2182
2183 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2184 kfifo_len(&sonypi_compat.fifo) != 0);
2185 if (ret)
2186 return ret;
2187
2188 while (ret < count &&
2189 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2190 &sonypi_compat.fifo_lock) == sizeof(c))) {
2191 if (put_user(c, buf++))
2192 return -EFAULT;
2193 ret++;
2194 }
2195
2196 if (ret > 0) {
2197 struct inode *inode = file->f_path.dentry->d_inode;
2198 inode->i_atime = current_fs_time(inode->i_sb);
2199 }
2200
2201 return ret;
2202 }
2203
2204 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2205 {
2206 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2207 if (kfifo_len(&sonypi_compat.fifo))
2208 return POLLIN | POLLRDNORM;
2209 return 0;
2210 }
2211
2212 static int ec_read16(u8 addr, u16 *value)
2213 {
2214 u8 val_lb, val_hb;
2215 if (ec_read(addr, &val_lb))
2216 return -1;
2217 if (ec_read(addr + 1, &val_hb))
2218 return -1;
2219 *value = val_lb | (val_hb << 8);
2220 return 0;
2221 }
2222
2223 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2224 unsigned long arg)
2225 {
2226 int ret = 0;
2227 void __user *argp = (void __user *)arg;
2228 u8 val8;
2229 u16 val16;
2230 int value;
2231
2232 mutex_lock(&spic_dev.lock);
2233 switch (cmd) {
2234 case SONYPI_IOCGBRT:
2235 if (sony_backlight_device == NULL) {
2236 ret = -EIO;
2237 break;
2238 }
2239 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2240 ret = -EIO;
2241 break;
2242 }
2243 val8 = ((value & 0xff) - 1) << 5;
2244 if (copy_to_user(argp, &val8, sizeof(val8)))
2245 ret = -EFAULT;
2246 break;
2247 case SONYPI_IOCSBRT:
2248 if (sony_backlight_device == NULL) {
2249 ret = -EIO;
2250 break;
2251 }
2252 if (copy_from_user(&val8, argp, sizeof(val8))) {
2253 ret = -EFAULT;
2254 break;
2255 }
2256 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2257 (val8 >> 5) + 1, NULL)) {
2258 ret = -EIO;
2259 break;
2260 }
2261 /* sync the backlight device status */
2262 sony_backlight_device->props.brightness =
2263 sony_backlight_get_brightness(sony_backlight_device);
2264 break;
2265 case SONYPI_IOCGBAT1CAP:
2266 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2267 ret = -EIO;
2268 break;
2269 }
2270 if (copy_to_user(argp, &val16, sizeof(val16)))
2271 ret = -EFAULT;
2272 break;
2273 case SONYPI_IOCGBAT1REM:
2274 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2275 ret = -EIO;
2276 break;
2277 }
2278 if (copy_to_user(argp, &val16, sizeof(val16)))
2279 ret = -EFAULT;
2280 break;
2281 case SONYPI_IOCGBAT2CAP:
2282 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2283 ret = -EIO;
2284 break;
2285 }
2286 if (copy_to_user(argp, &val16, sizeof(val16)))
2287 ret = -EFAULT;
2288 break;
2289 case SONYPI_IOCGBAT2REM:
2290 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2291 ret = -EIO;
2292 break;
2293 }
2294 if (copy_to_user(argp, &val16, sizeof(val16)))
2295 ret = -EFAULT;
2296 break;
2297 case SONYPI_IOCGBATFLAGS:
2298 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2299 ret = -EIO;
2300 break;
2301 }
2302 val8 &= 0x07;
2303 if (copy_to_user(argp, &val8, sizeof(val8)))
2304 ret = -EFAULT;
2305 break;
2306 case SONYPI_IOCGBLUE:
2307 val8 = spic_dev.bluetooth_power;
2308 if (copy_to_user(argp, &val8, sizeof(val8)))
2309 ret = -EFAULT;
2310 break;
2311 case SONYPI_IOCSBLUE:
2312 if (copy_from_user(&val8, argp, sizeof(val8))) {
2313 ret = -EFAULT;
2314 break;
2315 }
2316 __sony_pic_set_bluetoothpower(val8);
2317 break;
2318 /* FAN Controls */
2319 case SONYPI_IOCGFAN:
2320 if (sony_pic_get_fanspeed(&val8)) {
2321 ret = -EIO;
2322 break;
2323 }
2324 if (copy_to_user(argp, &val8, sizeof(val8)))
2325 ret = -EFAULT;
2326 break;
2327 case SONYPI_IOCSFAN:
2328 if (copy_from_user(&val8, argp, sizeof(val8))) {
2329 ret = -EFAULT;
2330 break;
2331 }
2332 if (sony_pic_set_fanspeed(val8))
2333 ret = -EIO;
2334 break;
2335 /* GET Temperature (useful under APM) */
2336 case SONYPI_IOCGTEMP:
2337 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2338 ret = -EIO;
2339 break;
2340 }
2341 if (copy_to_user(argp, &val8, sizeof(val8)))
2342 ret = -EFAULT;
2343 break;
2344 default:
2345 ret = -EINVAL;
2346 }
2347 mutex_unlock(&spic_dev.lock);
2348 return ret;
2349 }
2350
2351 static const struct file_operations sonypi_misc_fops = {
2352 .owner = THIS_MODULE,
2353 .read = sonypi_misc_read,
2354 .poll = sonypi_misc_poll,
2355 .open = sonypi_misc_open,
2356 .release = sonypi_misc_release,
2357 .fasync = sonypi_misc_fasync,
2358 .unlocked_ioctl = sonypi_misc_ioctl,
2359 };
2360
2361 static struct miscdevice sonypi_misc_device = {
2362 .minor = MISC_DYNAMIC_MINOR,
2363 .name = "sonypi",
2364 .fops = &sonypi_misc_fops,
2365 };
2366
2367 static void sonypi_compat_report_event(u8 event)
2368 {
2369 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2370 sizeof(event), &sonypi_compat.fifo_lock);
2371 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2372 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2373 }
2374
2375 static int sonypi_compat_init(void)
2376 {
2377 int error;
2378
2379 spin_lock_init(&sonypi_compat.fifo_lock);
2380 error =
2381 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2382 if (error) {
2383 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2384 return error;
2385 }
2386
2387 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2388
2389 if (minor != -1)
2390 sonypi_misc_device.minor = minor;
2391 error = misc_register(&sonypi_misc_device);
2392 if (error) {
2393 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2394 goto err_free_kfifo;
2395 }
2396 if (minor == -1)
2397 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2398 sonypi_misc_device.minor);
2399
2400 return 0;
2401
2402 err_free_kfifo:
2403 kfifo_free(&sonypi_compat.fifo);
2404 return error;
2405 }
2406
2407 static void sonypi_compat_exit(void)
2408 {
2409 misc_deregister(&sonypi_misc_device);
2410 kfifo_free(&sonypi_compat.fifo);
2411 }
2412 #else
2413 static int sonypi_compat_init(void) { return 0; }
2414 static void sonypi_compat_exit(void) { }
2415 static void sonypi_compat_report_event(u8 event) { }
2416 #endif /* CONFIG_SONYPI_COMPAT */
2417
2418 /*
2419 * ACPI callbacks
2420 */
2421 static acpi_status
2422 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2423 {
2424 u32 i;
2425 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2426
2427 switch (resource->type) {
2428 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2429 {
2430 /* start IO enumeration */
2431 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2432 if (!ioport)
2433 return AE_ERROR;
2434
2435 list_add(&ioport->list, &dev->ioports);
2436 return AE_OK;
2437 }
2438
2439 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2440 /* end IO enumeration */
2441 return AE_OK;
2442
2443 case ACPI_RESOURCE_TYPE_IRQ:
2444 {
2445 struct acpi_resource_irq *p = &resource->data.irq;
2446 struct sony_pic_irq *interrupt = NULL;
2447 if (!p || !p->interrupt_count) {
2448 /*
2449 * IRQ descriptors may have no IRQ# bits set,
2450 * particularly those those w/ _STA disabled
2451 */
2452 dprintk("Blank IRQ resource\n");
2453 return AE_OK;
2454 }
2455 for (i = 0; i < p->interrupt_count; i++) {
2456 if (!p->interrupts[i]) {
2457 printk(KERN_WARNING DRV_PFX
2458 "Invalid IRQ %d\n",
2459 p->interrupts[i]);
2460 continue;
2461 }
2462 interrupt = kzalloc(sizeof(*interrupt),
2463 GFP_KERNEL);
2464 if (!interrupt)
2465 return AE_ERROR;
2466
2467 list_add(&interrupt->list, &dev->interrupts);
2468 interrupt->irq.triggering = p->triggering;
2469 interrupt->irq.polarity = p->polarity;
2470 interrupt->irq.sharable = p->sharable;
2471 interrupt->irq.interrupt_count = 1;
2472 interrupt->irq.interrupts[0] = p->interrupts[i];
2473 }
2474 return AE_OK;
2475 }
2476 case ACPI_RESOURCE_TYPE_IO:
2477 {
2478 struct acpi_resource_io *io = &resource->data.io;
2479 struct sony_pic_ioport *ioport =
2480 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2481 if (!io) {
2482 dprintk("Blank IO resource\n");
2483 return AE_OK;
2484 }
2485
2486 if (!ioport->io1.minimum) {
2487 memcpy(&ioport->io1, io, sizeof(*io));
2488 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2489 ioport->io1.address_length);
2490 }
2491 else if (!ioport->io2.minimum) {
2492 memcpy(&ioport->io2, io, sizeof(*io));
2493 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2494 ioport->io2.address_length);
2495 }
2496 else {
2497 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2498 return AE_ERROR;
2499 }
2500 return AE_OK;
2501 }
2502 default:
2503 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2504 resource->type);
2505
2506 case ACPI_RESOURCE_TYPE_END_TAG:
2507 return AE_OK;
2508 }
2509 return AE_CTRL_TERMINATE;
2510 }
2511
2512 static int sony_pic_possible_resources(struct acpi_device *device)
2513 {
2514 int result = 0;
2515 acpi_status status = AE_OK;
2516
2517 if (!device)
2518 return -EINVAL;
2519
2520 /* get device status */
2521 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2522 dprintk("Evaluating _STA\n");
2523 result = acpi_bus_get_status(device);
2524 if (result) {
2525 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2526 goto end;
2527 }
2528
2529 if (!device->status.enabled)
2530 dprintk("Device disabled\n");
2531 else
2532 dprintk("Device enabled\n");
2533
2534 /*
2535 * Query and parse 'method'
2536 */
2537 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2538 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2539 sony_pic_read_possible_resource, &spic_dev);
2540 if (ACPI_FAILURE(status)) {
2541 printk(KERN_WARNING DRV_PFX
2542 "Failure evaluating %s\n",
2543 METHOD_NAME__PRS);
2544 result = -ENODEV;
2545 }
2546 end:
2547 return result;
2548 }
2549
2550 /*
2551 * Disable the spic device by calling its _DIS method
2552 */
2553 static int sony_pic_disable(struct acpi_device *device)
2554 {
2555 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2556 NULL);
2557
2558 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2559 return -ENXIO;
2560
2561 dprintk("Device disabled\n");
2562 return 0;
2563 }
2564
2565
2566 /*
2567 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2568 *
2569 * Call _SRS to set current resources
2570 */
2571 static int sony_pic_enable(struct acpi_device *device,
2572 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2573 {
2574 acpi_status status;
2575 int result = 0;
2576 /* Type 1 resource layout is:
2577 * IO
2578 * IO
2579 * IRQNoFlags
2580 * End
2581 *
2582 * Type 2 and 3 resource layout is:
2583 * IO
2584 * IRQNoFlags
2585 * End
2586 */
2587 struct {
2588 struct acpi_resource res1;
2589 struct acpi_resource res2;
2590 struct acpi_resource res3;
2591 struct acpi_resource res4;
2592 } *resource;
2593 struct acpi_buffer buffer = { 0, NULL };
2594
2595 if (!ioport || !irq)
2596 return -EINVAL;
2597
2598 /* init acpi_buffer */
2599 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2600 if (!resource)
2601 return -ENOMEM;
2602
2603 buffer.length = sizeof(*resource) + 1;
2604 buffer.pointer = resource;
2605
2606 /* setup Type 1 resources */
2607 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2608
2609 /* setup io resources */
2610 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2611 resource->res1.length = sizeof(struct acpi_resource);
2612 memcpy(&resource->res1.data.io, &ioport->io1,
2613 sizeof(struct acpi_resource_io));
2614
2615 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2616 resource->res2.length = sizeof(struct acpi_resource);
2617 memcpy(&resource->res2.data.io, &ioport->io2,
2618 sizeof(struct acpi_resource_io));
2619
2620 /* setup irq resource */
2621 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2622 resource->res3.length = sizeof(struct acpi_resource);
2623 memcpy(&resource->res3.data.irq, &irq->irq,
2624 sizeof(struct acpi_resource_irq));
2625 /* we requested a shared irq */
2626 resource->res3.data.irq.sharable = ACPI_SHARED;
2627
2628 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2629
2630 }
2631 /* setup Type 2/3 resources */
2632 else {
2633 /* setup io resource */
2634 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2635 resource->res1.length = sizeof(struct acpi_resource);
2636 memcpy(&resource->res1.data.io, &ioport->io1,
2637 sizeof(struct acpi_resource_io));
2638
2639 /* setup irq resource */
2640 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2641 resource->res2.length = sizeof(struct acpi_resource);
2642 memcpy(&resource->res2.data.irq, &irq->irq,
2643 sizeof(struct acpi_resource_irq));
2644 /* we requested a shared irq */
2645 resource->res2.data.irq.sharable = ACPI_SHARED;
2646
2647 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2648 }
2649
2650 /* Attempt to set the resource */
2651 dprintk("Evaluating _SRS\n");
2652 status = acpi_set_current_resources(device->handle, &buffer);
2653
2654 /* check for total failure */
2655 if (ACPI_FAILURE(status)) {
2656 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2657 result = -ENODEV;
2658 goto end;
2659 }
2660
2661 /* Necessary device initializations calls (from sonypi) */
2662 sony_pic_call1(0x82);
2663 sony_pic_call2(0x81, 0xff);
2664 sony_pic_call1(compat ? 0x92 : 0x82);
2665
2666 end:
2667 kfree(resource);
2668 return result;
2669 }
2670
2671 /*****************
2672 *
2673 * ISR: some event is available
2674 *
2675 *****************/
2676 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2677 {
2678 int i, j;
2679 u8 ev = 0;
2680 u8 data_mask = 0;
2681 u8 device_event = 0;
2682
2683 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2684
2685 ev = inb_p(dev->cur_ioport->io1.minimum);
2686 if (dev->cur_ioport->io2.minimum)
2687 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2688 else
2689 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2690 dev->evport_offset);
2691
2692 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2693 ev, data_mask, dev->cur_ioport->io1.minimum,
2694 dev->evport_offset);
2695
2696 if (ev == 0x00 || ev == 0xff)
2697 return IRQ_HANDLED;
2698
2699 for (i = 0; dev->event_types[i].mask; i++) {
2700
2701 if ((data_mask & dev->event_types[i].data) !=
2702 dev->event_types[i].data)
2703 continue;
2704
2705 if (!(mask & dev->event_types[i].mask))
2706 continue;
2707
2708 for (j = 0; dev->event_types[i].events[j].event; j++) {
2709 if (ev == dev->event_types[i].events[j].data) {
2710 device_event =
2711 dev->event_types[i].events[j].event;
2712 goto found;
2713 }
2714 }
2715 }
2716 /* Still not able to decode the event try to pass
2717 * it over to the minidriver
2718 */
2719 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2720 return IRQ_HANDLED;
2721
2722 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2723 ev, data_mask, dev->cur_ioport->io1.minimum,
2724 dev->evport_offset);
2725 return IRQ_HANDLED;
2726
2727 found:
2728 sony_laptop_report_input_event(device_event);
2729 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2730 sonypi_compat_report_event(device_event);
2731
2732 return IRQ_HANDLED;
2733 }
2734
2735 /*****************
2736 *
2737 * ACPI driver
2738 *
2739 *****************/
2740 static int sony_pic_remove(struct acpi_device *device, int type)
2741 {
2742 struct sony_pic_ioport *io, *tmp_io;
2743 struct sony_pic_irq *irq, *tmp_irq;
2744
2745 if (sony_pic_disable(device)) {
2746 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2747 return -ENXIO;
2748 }
2749
2750 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2751 release_region(spic_dev.cur_ioport->io1.minimum,
2752 spic_dev.cur_ioport->io1.address_length);
2753 if (spic_dev.cur_ioport->io2.minimum)
2754 release_region(spic_dev.cur_ioport->io2.minimum,
2755 spic_dev.cur_ioport->io2.address_length);
2756
2757 sonypi_compat_exit();
2758
2759 sony_laptop_remove_input();
2760
2761 /* pf attrs */
2762 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2763 sony_pf_remove();
2764
2765 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2766 list_del(&io->list);
2767 kfree(io);
2768 }
2769 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2770 list_del(&irq->list);
2771 kfree(irq);
2772 }
2773 spic_dev.cur_ioport = NULL;
2774 spic_dev.cur_irq = NULL;
2775
2776 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2777 return 0;
2778 }
2779
2780 static int sony_pic_add(struct acpi_device *device)
2781 {
2782 int result;
2783 struct sony_pic_ioport *io, *tmp_io;
2784 struct sony_pic_irq *irq, *tmp_irq;
2785
2786 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2787 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2788
2789 spic_dev.acpi_dev = device;
2790 strcpy(acpi_device_class(device), "sony/hotkey");
2791 sony_pic_detect_device_type(&spic_dev);
2792 mutex_init(&spic_dev.lock);
2793
2794 /* read _PRS resources */
2795 result = sony_pic_possible_resources(device);
2796 if (result) {
2797 printk(KERN_ERR DRV_PFX
2798 "Unable to read possible resources.\n");
2799 goto err_free_resources;
2800 }
2801
2802 /* setup input devices and helper fifo */
2803 result = sony_laptop_setup_input(device);
2804 if (result) {
2805 printk(KERN_ERR DRV_PFX
2806 "Unable to create input devices.\n");
2807 goto err_free_resources;
2808 }
2809
2810 if (sonypi_compat_init())
2811 goto err_remove_input;
2812
2813 /* request io port */
2814 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2815 if (request_region(io->io1.minimum, io->io1.address_length,
2816 "Sony Programable I/O Device")) {
2817 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2818 io->io1.minimum, io->io1.maximum,
2819 io->io1.address_length);
2820 /* Type 1 have 2 ioports */
2821 if (io->io2.minimum) {
2822 if (request_region(io->io2.minimum,
2823 io->io2.address_length,
2824 "Sony Programable I/O Device")) {
2825 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2826 io->io2.minimum, io->io2.maximum,
2827 io->io2.address_length);
2828 spic_dev.cur_ioport = io;
2829 break;
2830 }
2831 else {
2832 dprintk("Unable to get I/O port2: "
2833 "0x%.4x (0x%.4x) + 0x%.2x\n",
2834 io->io2.minimum, io->io2.maximum,
2835 io->io2.address_length);
2836 release_region(io->io1.minimum,
2837 io->io1.address_length);
2838 }
2839 }
2840 else {
2841 spic_dev.cur_ioport = io;
2842 break;
2843 }
2844 }
2845 }
2846 if (!spic_dev.cur_ioport) {
2847 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2848 result = -ENODEV;
2849 goto err_remove_compat;
2850 }
2851
2852 /* request IRQ */
2853 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2854 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2855 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2856 dprintk("IRQ: %d - triggering: %d - "
2857 "polarity: %d - shr: %d\n",
2858 irq->irq.interrupts[0],
2859 irq->irq.triggering,
2860 irq->irq.polarity,
2861 irq->irq.sharable);
2862 spic_dev.cur_irq = irq;
2863 break;
2864 }
2865 }
2866 if (!spic_dev.cur_irq) {
2867 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2868 result = -ENODEV;
2869 goto err_release_region;
2870 }
2871
2872 /* set resource status _SRS */
2873 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2874 if (result) {
2875 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2876 goto err_free_irq;
2877 }
2878
2879 spic_dev.bluetooth_power = -1;
2880 /* create device attributes */
2881 result = sony_pf_add();
2882 if (result)
2883 goto err_disable_device;
2884
2885 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2886 if (result)
2887 goto err_remove_pf;
2888
2889 return 0;
2890
2891 err_remove_pf:
2892 sony_pf_remove();
2893
2894 err_disable_device:
2895 sony_pic_disable(device);
2896
2897 err_free_irq:
2898 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2899
2900 err_release_region:
2901 release_region(spic_dev.cur_ioport->io1.minimum,
2902 spic_dev.cur_ioport->io1.address_length);
2903 if (spic_dev.cur_ioport->io2.minimum)
2904 release_region(spic_dev.cur_ioport->io2.minimum,
2905 spic_dev.cur_ioport->io2.address_length);
2906
2907 err_remove_compat:
2908 sonypi_compat_exit();
2909
2910 err_remove_input:
2911 sony_laptop_remove_input();
2912
2913 err_free_resources:
2914 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2915 list_del(&io->list);
2916 kfree(io);
2917 }
2918 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2919 list_del(&irq->list);
2920 kfree(irq);
2921 }
2922 spic_dev.cur_ioport = NULL;
2923 spic_dev.cur_irq = NULL;
2924
2925 return result;
2926 }
2927
2928 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2929 {
2930 if (sony_pic_disable(device))
2931 return -ENXIO;
2932 return 0;
2933 }
2934
2935 static int sony_pic_resume(struct acpi_device *device)
2936 {
2937 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2938 return 0;
2939 }
2940
2941 static const struct acpi_device_id sony_pic_device_ids[] = {
2942 {SONY_PIC_HID, 0},
2943 {"", 0},
2944 };
2945
2946 static struct acpi_driver sony_pic_driver = {
2947 .name = SONY_PIC_DRIVER_NAME,
2948 .class = SONY_PIC_CLASS,
2949 .ids = sony_pic_device_ids,
2950 .owner = THIS_MODULE,
2951 .ops = {
2952 .add = sony_pic_add,
2953 .remove = sony_pic_remove,
2954 .suspend = sony_pic_suspend,
2955 .resume = sony_pic_resume,
2956 },
2957 };
2958
2959 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2960 {
2961 .ident = "Sony Vaio",
2962 .matches = {
2963 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2964 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2965 },
2966 },
2967 {
2968 .ident = "Sony Vaio",
2969 .matches = {
2970 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2971 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2972 },
2973 },
2974 { }
2975 };
2976
2977 static int __init sony_laptop_init(void)
2978 {
2979 int result;
2980
2981 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2982 result = acpi_bus_register_driver(&sony_pic_driver);
2983 if (result) {
2984 printk(KERN_ERR DRV_PFX
2985 "Unable to register SPIC driver.");
2986 goto out;
2987 }
2988 spic_drv_registered = 1;
2989 }
2990
2991 result = acpi_bus_register_driver(&sony_nc_driver);
2992 if (result) {
2993 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2994 goto out_unregister_pic;
2995 }
2996
2997 return 0;
2998
2999 out_unregister_pic:
3000 if (spic_drv_registered)
3001 acpi_bus_unregister_driver(&sony_pic_driver);
3002 out:
3003 return result;
3004 }
3005
3006 static void __exit sony_laptop_exit(void)
3007 {
3008 acpi_bus_unregister_driver(&sony_nc_driver);
3009 if (spic_drv_registered)
3010 acpi_bus_unregister_driver(&sony_pic_driver);
3011 }
3012
3013 module_init(sony_laptop_init);
3014 module_exit(sony_laptop_exit);
kernel source for telekom puls (alcatel/mediatek)