2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
10 * The SNY6001 driver part is based on the sonypi driver which includes
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
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.
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.
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.
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>
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
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);
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");
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");
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");
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)");
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)");
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)");
126 enum sony_nc_rfkill {
134 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
135 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
136 static void sony_nc_rfkill_update(void);
138 /*********** Input Devices ***********/
140 #define SONY_LAPTOP_BUF_SIZE 128
141 struct sony_laptop_input_s {
143 struct input_dev *jog_dev;
144 struct input_dev *key_dev;
146 spinlock_t fifo_lock;
147 struct workqueue_struct *wq;
150 static struct sony_laptop_input_s sony_laptop_input = {
151 .users = ATOMIC_INIT(0),
154 struct sony_laptop_keypress {
155 struct input_dev *dev;
159 /* Correspondance table between sonypi events
160 * and input layer indexes in the keymap
162 static int sony_laptop_input_index[] = {
164 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
165 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
166 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
167 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
168 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
169 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
170 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
171 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
172 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
173 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
174 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
175 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
176 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
177 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
178 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
179 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
180 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
181 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
182 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
183 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
184 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
185 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
186 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
187 17, /* 24 SONYPI_EVENT_FNKEY_1 */
188 18, /* 25 SONYPI_EVENT_FNKEY_2 */
189 19, /* 26 SONYPI_EVENT_FNKEY_D */
190 20, /* 27 SONYPI_EVENT_FNKEY_E */
191 21, /* 28 SONYPI_EVENT_FNKEY_F */
192 22, /* 29 SONYPI_EVENT_FNKEY_S */
193 23, /* 30 SONYPI_EVENT_FNKEY_B */
194 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
195 25, /* 32 SONYPI_EVENT_PKEY_P1 */
196 26, /* 33 SONYPI_EVENT_PKEY_P2 */
197 27, /* 34 SONYPI_EVENT_PKEY_P3 */
198 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
199 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
200 -1, /* 37 SONYPI_EVENT_LID_OPENED */
201 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
202 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
203 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
204 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
205 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
206 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
207 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
208 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
209 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
210 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
211 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
212 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
213 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
214 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
215 43, /* 52 SONYPI_EVENT_MEYE_FACE */
216 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
217 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
218 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
219 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
220 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
221 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
222 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
223 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
224 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
225 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
226 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
227 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
228 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
229 53, /* 66 SONYPI_EVENT_PKEY_P4 */
230 54, /* 67 SONYPI_EVENT_PKEY_P5 */
231 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
232 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
233 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
234 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
235 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
238 static int sony_laptop_input_keycode_map[] = {
239 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
240 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
241 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
242 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
243 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
244 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
245 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
246 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
247 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
248 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
249 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
250 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
251 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
252 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
253 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
254 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
255 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
256 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
257 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
258 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
259 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
260 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
261 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
262 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
263 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
264 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
265 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
266 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
267 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
268 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
269 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
270 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
271 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
272 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
273 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
274 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
275 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
276 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
277 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
278 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
279 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
280 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
281 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
282 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
283 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
284 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
285 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
286 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
287 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
288 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
291 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
292 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
293 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
294 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
300 /* release buttons after a short delay if pressed */
301 static void do_sony_laptop_release_key(struct work_struct *work)
303 struct sony_laptop_keypress kp;
305 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
306 sizeof(kp)) == sizeof(kp)) {
308 input_report_key(kp.dev, kp.key, 0);
312 static DECLARE_WORK(sony_laptop_release_key_work,
313 do_sony_laptop_release_key);
315 /* forward event to the input subsystem */
316 static void sony_laptop_report_input_event(u8 event)
318 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
319 struct input_dev *key_dev = sony_laptop_input.key_dev;
320 struct sony_laptop_keypress kp = { NULL };
322 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
323 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
324 /* Nothing, not all VAIOs generate this event */
331 case SONYPI_EVENT_JOGDIAL_UP:
332 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
333 input_report_rel(jog_dev, REL_WHEEL, 1);
337 case SONYPI_EVENT_JOGDIAL_DOWN:
338 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
339 input_report_rel(jog_dev, REL_WHEEL, -1);
344 case SONYPI_EVENT_JOGDIAL_PRESSED:
350 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
351 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
354 if (sony_laptop_input_index[event] != -1) {
355 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
356 if (kp.key != KEY_UNKNOWN)
363 input_report_key(kp.dev, kp.key, 1);
364 /* we emit the scancode so we can always remap the key */
365 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
367 kfifo_put(sony_laptop_input.fifo,
368 (unsigned char *)&kp, sizeof(kp));
370 if (!work_pending(&sony_laptop_release_key_work))
371 queue_work(sony_laptop_input.wq,
372 &sony_laptop_release_key_work);
374 dprintk("unknown input event %.2x\n", event);
377 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
379 struct input_dev *jog_dev;
380 struct input_dev *key_dev;
384 /* don't run again if already initialized */
385 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
389 spin_lock_init(&sony_laptop_input.fifo_lock);
390 sony_laptop_input.fifo =
391 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
392 &sony_laptop_input.fifo_lock);
393 if (IS_ERR(sony_laptop_input.fifo)) {
394 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
395 error = PTR_ERR(sony_laptop_input.fifo);
400 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
401 if (!sony_laptop_input.wq) {
402 printk(KERN_ERR DRV_PFX
403 "Unable to create workqueue.\n");
409 key_dev = input_allocate_device();
415 key_dev->name = "Sony Vaio Keys";
416 key_dev->id.bustype = BUS_ISA;
417 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
418 key_dev->dev.parent = &acpi_device->dev;
420 /* Initialize the Input Drivers: special keys */
421 set_bit(EV_KEY, key_dev->evbit);
422 set_bit(EV_MSC, key_dev->evbit);
423 set_bit(MSC_SCAN, key_dev->mscbit);
424 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
425 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
426 key_dev->keycode = &sony_laptop_input_keycode_map;
427 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
428 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
429 set_bit(sony_laptop_input_keycode_map[i],
434 error = input_register_device(key_dev);
436 goto err_free_keydev;
438 sony_laptop_input.key_dev = key_dev;
441 jog_dev = input_allocate_device();
444 goto err_unregister_keydev;
447 jog_dev->name = "Sony Vaio Jogdial";
448 jog_dev->id.bustype = BUS_ISA;
449 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
450 key_dev->dev.parent = &acpi_device->dev;
452 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
453 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
454 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
456 error = input_register_device(jog_dev);
458 goto err_free_jogdev;
460 sony_laptop_input.jog_dev = jog_dev;
465 input_free_device(jog_dev);
467 err_unregister_keydev:
468 input_unregister_device(key_dev);
469 /* to avoid kref underflow below at input_free_device */
473 input_free_device(key_dev);
476 destroy_workqueue(sony_laptop_input.wq);
479 kfifo_free(sony_laptop_input.fifo);
482 atomic_dec(&sony_laptop_input.users);
486 static void sony_laptop_remove_input(void)
488 /* cleanup only after the last user has gone */
489 if (!atomic_dec_and_test(&sony_laptop_input.users))
492 /* flush workqueue first */
493 flush_workqueue(sony_laptop_input.wq);
495 /* destroy input devs */
496 input_unregister_device(sony_laptop_input.key_dev);
497 sony_laptop_input.key_dev = NULL;
499 if (sony_laptop_input.jog_dev) {
500 input_unregister_device(sony_laptop_input.jog_dev);
501 sony_laptop_input.jog_dev = NULL;
504 destroy_workqueue(sony_laptop_input.wq);
505 kfifo_free(sony_laptop_input.fifo);
508 /*********** Platform Device ***********/
510 static atomic_t sony_pf_users = ATOMIC_INIT(0);
511 static struct platform_driver sony_pf_driver = {
513 .name = "sony-laptop",
514 .owner = THIS_MODULE,
517 static struct platform_device *sony_pf_device;
519 static int sony_pf_add(void)
523 /* don't run again if already initialized */
524 if (atomic_add_return(1, &sony_pf_users) > 1)
527 ret = platform_driver_register(&sony_pf_driver);
531 sony_pf_device = platform_device_alloc("sony-laptop", -1);
532 if (!sony_pf_device) {
534 goto out_platform_registered;
537 ret = platform_device_add(sony_pf_device);
539 goto out_platform_alloced;
543 out_platform_alloced:
544 platform_device_put(sony_pf_device);
545 sony_pf_device = NULL;
546 out_platform_registered:
547 platform_driver_unregister(&sony_pf_driver);
549 atomic_dec(&sony_pf_users);
553 static void sony_pf_remove(void)
555 /* deregister only after the last user has gone */
556 if (!atomic_dec_and_test(&sony_pf_users))
559 platform_device_del(sony_pf_device);
560 platform_device_put(sony_pf_device);
561 platform_driver_unregister(&sony_pf_driver);
564 /*********** SNC (SNY5001) Device ***********/
566 /* the device uses 1-based values, while the backlight subsystem uses
568 #define SONY_MAX_BRIGHTNESS 8
570 #define SNC_VALIDATE_IN 0
571 #define SNC_VALIDATE_OUT 1
573 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
575 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
576 const char *, size_t);
577 static int boolean_validate(const int, const int);
578 static int brightness_default_validate(const int, const int);
580 struct sony_nc_value {
581 char *name; /* name of the entry */
582 char **acpiget; /* names of the ACPI get function */
583 char **acpiset; /* names of the ACPI set function */
584 int (*validate)(const int, const int); /* input/output validation */
585 int value; /* current setting */
586 int valid; /* Has ever been set */
587 int debug; /* active only in debug mode ? */
588 struct device_attribute devattr; /* sysfs atribute */
591 #define SNC_HANDLE_NAMES(_name, _values...) \
592 static char *snc_##_name[] = { _values, NULL }
594 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
596 .name = __stringify(_name), \
597 .acpiget = _getters, \
598 .acpiset = _setters, \
599 .validate = _validate, \
601 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
604 #define SNC_HANDLE_NULL { .name = NULL }
606 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
608 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
609 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
611 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
612 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
614 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
615 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
617 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
618 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
620 SNC_HANDLE_NAMES(lidstate_get, "GLID");
622 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
623 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
625 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
626 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
628 SNC_HANDLE_NAMES(PID_get, "GPID");
630 SNC_HANDLE_NAMES(CTR_get, "GCTR");
631 SNC_HANDLE_NAMES(CTR_set, "SCTR");
633 SNC_HANDLE_NAMES(PCR_get, "GPCR");
634 SNC_HANDLE_NAMES(PCR_set, "SPCR");
636 SNC_HANDLE_NAMES(CMI_get, "GCMI");
637 SNC_HANDLE_NAMES(CMI_set, "SCMI");
639 static struct sony_nc_value sony_nc_values[] = {
640 SNC_HANDLE(brightness_default, snc_brightness_def_get,
641 snc_brightness_def_set, brightness_default_validate, 0),
642 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
643 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
644 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
645 boolean_validate, 0),
646 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
647 boolean_validate, 1),
648 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
649 boolean_validate, 0),
650 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
651 boolean_validate, 0),
652 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
653 boolean_validate, 0),
654 /* unknown methods */
655 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
656 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
657 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
658 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
662 static acpi_handle sony_nc_acpi_handle;
663 static struct acpi_device *sony_nc_acpi_device = NULL;
666 * acpi_evaluate_object wrappers
668 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
670 struct acpi_buffer output;
671 union acpi_object out_obj;
674 output.length = sizeof(out_obj);
675 output.pointer = &out_obj;
677 status = acpi_evaluate_object(handle, name, NULL, &output);
678 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
679 *result = out_obj.integer.value;
683 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
688 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
691 struct acpi_object_list params;
692 union acpi_object in_obj;
693 struct acpi_buffer output;
694 union acpi_object out_obj;
698 params.pointer = &in_obj;
699 in_obj.type = ACPI_TYPE_INTEGER;
700 in_obj.integer.value = value;
702 output.length = sizeof(out_obj);
703 output.pointer = &out_obj;
705 status = acpi_evaluate_object(handle, name, ¶ms, &output);
706 if (status == AE_OK) {
707 if (result != NULL) {
708 if (out_obj.type != ACPI_TYPE_INTEGER) {
709 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
713 *result = out_obj.integer.value;
718 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
723 static int sony_find_snc_handle(int handle)
728 for (i = 0x20; i < 0x30; i++) {
729 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
730 if (result == handle)
737 static int sony_call_snc_handle(int handle, int argument, int *result)
739 int offset = sony_find_snc_handle(handle);
744 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
749 * sony_nc_values input/output validate functions
752 /* brightness_default_validate:
754 * manipulate input output values to keep consistency with the
755 * backlight framework for which brightness values are 0-based.
757 static int brightness_default_validate(const int direction, const int value)
760 case SNC_VALIDATE_OUT:
762 case SNC_VALIDATE_IN:
763 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
771 * on input validate boolean values 0/1, on output just pass the
774 static int boolean_validate(const int direction, const int value)
776 if (direction == SNC_VALIDATE_IN) {
777 if (value != 0 && value != 1)
784 * Sysfs show/store common to all sony_nc_values
786 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
790 struct sony_nc_value *item =
791 container_of(attr, struct sony_nc_value, devattr);
796 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
800 value = item->validate(SNC_VALIDATE_OUT, value);
802 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
805 static ssize_t sony_nc_sysfs_store(struct device *dev,
806 struct device_attribute *attr,
807 const char *buffer, size_t count)
810 struct sony_nc_value *item =
811 container_of(attr, struct sony_nc_value, devattr);
819 value = simple_strtoul(buffer, NULL, 10);
822 value = item->validate(SNC_VALIDATE_IN, value);
827 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
838 static int sony_backlight_update_status(struct backlight_device *bd)
840 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
841 bd->props.brightness + 1, NULL);
844 static int sony_backlight_get_brightness(struct backlight_device *bd)
848 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
850 /* brightness levels are 1-based, while backlight ones are 0-based */
854 static struct backlight_device *sony_backlight_device;
855 static struct backlight_ops sony_backlight_ops = {
856 .update_status = sony_backlight_update_status,
857 .get_brightness = sony_backlight_get_brightness,
861 * New SNC-only Vaios event mapping to driver known keys
863 struct sony_nc_event {
868 static struct sony_nc_event sony_100_events[] = {
869 { 0x90, SONYPI_EVENT_PKEY_P1 },
870 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
871 { 0x91, SONYPI_EVENT_PKEY_P2 },
872 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
873 { 0x81, SONYPI_EVENT_FNKEY_F1 },
874 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
875 { 0x82, SONYPI_EVENT_FNKEY_F2 },
876 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
877 { 0x83, SONYPI_EVENT_FNKEY_F3 },
878 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
879 { 0x84, SONYPI_EVENT_FNKEY_F4 },
880 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
881 { 0x85, SONYPI_EVENT_FNKEY_F5 },
882 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
883 { 0x86, SONYPI_EVENT_FNKEY_F6 },
884 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
885 { 0x87, SONYPI_EVENT_FNKEY_F7 },
886 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
887 { 0x89, SONYPI_EVENT_FNKEY_F9 },
888 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
889 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
890 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
891 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
892 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
893 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
894 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
895 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
896 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
900 static struct sony_nc_event sony_127_events[] = {
901 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
902 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
903 { 0x82, SONYPI_EVENT_PKEY_P1 },
904 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
905 { 0x83, SONYPI_EVENT_PKEY_P2 },
906 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
907 { 0x84, SONYPI_EVENT_PKEY_P3 },
908 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
909 { 0x85, SONYPI_EVENT_PKEY_P4 },
910 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
911 { 0x86, SONYPI_EVENT_PKEY_P5 },
912 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
913 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
914 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
921 static void sony_nc_notify(struct acpi_device *device, u32 event)
926 /* New-style event */
931 if (sony_find_snc_handle(0x100) == ev)
933 if (sony_find_snc_handle(0x127) == ev)
937 struct sony_nc_event *key_event;
939 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
940 dprintk("sony_nc_notify, unable to decode"
941 " event 0x%.2x 0x%.2x\n", key_handle,
943 /* restore the original event */
948 if (key_handle == 0x100)
949 key_event = sony_100_events;
951 key_event = sony_127_events;
953 for (; key_event->data; key_event++) {
954 if (key_event->data == ev) {
955 ev = key_event->event;
960 if (!key_event->data)
961 printk(KERN_INFO DRV_PFX
962 "Unknown event: 0x%x 0x%x\n",
966 sony_laptop_report_input_event(ev);
968 } else if (sony_find_snc_handle(0x124) == ev) {
969 sony_nc_rfkill_update();
973 sony_laptop_report_input_event(ev);
975 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
976 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
979 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
980 void *context, void **return_value)
982 struct acpi_device_info *info;
984 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
985 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
986 (char *)&info->name, info->param_count);
997 static int sony_nc_function_setup(struct acpi_device *device)
1001 /* Enable all events */
1002 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1005 sony_call_snc_handle(0x0100, 0, &result);
1006 sony_call_snc_handle(0x0101, 0, &result);
1007 sony_call_snc_handle(0x0102, 0x100, &result);
1008 sony_call_snc_handle(0x0127, 0, &result);
1013 static int sony_nc_resume(struct acpi_device *device)
1015 struct sony_nc_value *item;
1018 for (item = sony_nc_values; item->name; item++) {
1023 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1026 printk("%s: %d\n", __func__, ret);
1031 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1033 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1034 dprintk("ECON Method failed\n");
1037 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1039 dprintk("Doing SNC setup\n");
1040 sony_nc_function_setup(device);
1043 /* set the last requested brightness level */
1044 if (sony_backlight_device &&
1045 sony_backlight_update_status(sony_backlight_device) < 0)
1046 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1048 /* re-read rfkill state */
1049 sony_nc_rfkill_update();
1054 static void sony_nc_rfkill_cleanup(void)
1058 for (i = 0; i < N_SONY_RFKILL; i++) {
1059 if (sony_rfkill_devices[i]) {
1060 rfkill_unregister(sony_rfkill_devices[i]);
1061 rfkill_destroy(sony_rfkill_devices[i]);
1066 static int sony_nc_rfkill_set(void *data, bool blocked)
1069 int argument = sony_rfkill_address[(long) data] + 0x100;
1072 argument |= 0xff0000;
1074 return sony_call_snc_handle(0x124, argument, &result);
1077 static const struct rfkill_ops sony_rfkill_ops = {
1078 .set_block = sony_nc_rfkill_set,
1081 static int sony_nc_setup_rfkill(struct acpi_device *device,
1082 enum sony_nc_rfkill nc_type)
1086 enum rfkill_type type;
1093 type = RFKILL_TYPE_WLAN;
1096 case SONY_BLUETOOTH:
1097 type = RFKILL_TYPE_BLUETOOTH;
1098 name = "sony-bluetooth";
1101 type = RFKILL_TYPE_WWAN;
1105 type = RFKILL_TYPE_WIMAX;
1106 name = "sony-wimax";
1112 rfk = rfkill_alloc(name, &device->dev, type,
1113 &sony_rfkill_ops, (void *)nc_type);
1117 sony_call_snc_handle(0x124, 0x200, &result);
1118 hwblock = !(result & 0x1);
1119 rfkill_set_hw_state(rfk, hwblock);
1121 err = rfkill_register(rfk);
1123 rfkill_destroy(rfk);
1126 sony_rfkill_devices[nc_type] = rfk;
1130 static void sony_nc_rfkill_update()
1132 enum sony_nc_rfkill i;
1136 sony_call_snc_handle(0x124, 0x200, &result);
1137 hwblock = !(result & 0x1);
1139 for (i = 0; i < N_SONY_RFKILL; i++) {
1140 int argument = sony_rfkill_address[i];
1142 if (!sony_rfkill_devices[i])
1146 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1147 /* we already know we're blocked */
1152 sony_call_snc_handle(0x124, argument, &result);
1153 rfkill_set_states(sony_rfkill_devices[i],
1154 !(result & 0xf), false);
1158 static int sony_nc_rfkill_setup(struct acpi_device *device)
1162 if (sony_find_snc_handle(0x124) == -1)
1165 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1167 printk(KERN_INFO DRV_PFX
1168 "Unable to enumerate rfkill devices: %x\n", ret);
1173 sony_nc_setup_rfkill(device, SONY_WIFI);
1175 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1177 sony_nc_setup_rfkill(device, SONY_WWAN);
1179 sony_nc_setup_rfkill(device, SONY_WIMAX);
1184 static int sony_nc_add(struct acpi_device *device)
1189 struct sony_nc_value *item;
1191 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1192 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1194 sony_nc_acpi_device = device;
1195 strcpy(acpi_device_class(device), "sony/hotkey");
1197 sony_nc_acpi_handle = device->handle;
1199 /* read device status */
1200 result = acpi_bus_get_status(device);
1201 /* bail IFF the above call was successful and the device is not present */
1202 if (!result && !device->status.present) {
1203 dprintk("Device not present\n");
1209 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1210 1, sony_walk_callback, NULL, NULL);
1211 if (ACPI_FAILURE(status)) {
1212 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1218 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1220 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1221 dprintk("ECON Method failed\n");
1224 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1226 dprintk("Doing SNC setup\n");
1227 sony_nc_function_setup(device);
1228 sony_nc_rfkill_setup(device);
1231 /* setup input devices and helper fifo */
1232 result = sony_laptop_setup_input(device);
1234 printk(KERN_ERR DRV_PFX
1235 "Unable to create input devices.\n");
1239 if (acpi_video_backlight_support()) {
1240 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1241 "controlled by ACPI video driver\n");
1242 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1244 sony_backlight_device = backlight_device_register("sony", NULL,
1246 &sony_backlight_ops);
1248 if (IS_ERR(sony_backlight_device)) {
1249 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1250 sony_backlight_device = NULL;
1252 sony_backlight_device->props.brightness =
1253 sony_backlight_get_brightness
1254 (sony_backlight_device);
1255 sony_backlight_device->props.max_brightness =
1256 SONY_MAX_BRIGHTNESS - 1;
1261 result = sony_pf_add();
1265 /* create sony_pf sysfs attributes related to the SNC device */
1266 for (item = sony_nc_values; item->name; ++item) {
1268 if (!debug && item->debug)
1271 /* find the available acpiget as described in the DSDT */
1272 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1273 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1276 dprintk("Found %s getter: %s\n",
1277 item->name, *item->acpiget);
1278 item->devattr.attr.mode |= S_IRUGO;
1283 /* find the available acpiset as described in the DSDT */
1284 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1285 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1288 dprintk("Found %s setter: %s\n",
1289 item->name, *item->acpiset);
1290 item->devattr.attr.mode |= S_IWUSR;
1295 if (item->devattr.attr.mode != 0) {
1297 device_create_file(&sony_pf_device->dev,
1307 for (item = sony_nc_values; item->name; ++item) {
1308 device_remove_file(&sony_pf_device->dev, &item->devattr);
1313 if (sony_backlight_device)
1314 backlight_device_unregister(sony_backlight_device);
1316 sony_laptop_remove_input();
1319 sony_nc_rfkill_cleanup();
1323 static int sony_nc_remove(struct acpi_device *device, int type)
1325 struct sony_nc_value *item;
1327 if (sony_backlight_device)
1328 backlight_device_unregister(sony_backlight_device);
1330 sony_nc_acpi_device = NULL;
1332 for (item = sony_nc_values; item->name; ++item) {
1333 device_remove_file(&sony_pf_device->dev, &item->devattr);
1337 sony_laptop_remove_input();
1338 sony_nc_rfkill_cleanup();
1339 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1344 static const struct acpi_device_id sony_device_ids[] = {
1349 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1351 static const struct acpi_device_id sony_nc_device_ids[] = {
1356 static struct acpi_driver sony_nc_driver = {
1357 .name = SONY_NC_DRIVER_NAME,
1358 .class = SONY_NC_CLASS,
1359 .ids = sony_nc_device_ids,
1360 .owner = THIS_MODULE,
1363 .remove = sony_nc_remove,
1364 .resume = sony_nc_resume,
1365 .notify = sony_nc_notify,
1369 /*********** SPIC (SNY6001) Device ***********/
1371 #define SONYPI_DEVICE_TYPE1 0x00000001
1372 #define SONYPI_DEVICE_TYPE2 0x00000002
1373 #define SONYPI_DEVICE_TYPE3 0x00000004
1374 #define SONYPI_DEVICE_TYPE4 0x00000008
1376 #define SONYPI_TYPE1_OFFSET 0x04
1377 #define SONYPI_TYPE2_OFFSET 0x12
1378 #define SONYPI_TYPE3_OFFSET 0x12
1380 struct sony_pic_ioport {
1381 struct acpi_resource_io io1;
1382 struct acpi_resource_io io2;
1383 struct list_head list;
1386 struct sony_pic_irq {
1387 struct acpi_resource_irq irq;
1388 struct list_head list;
1391 struct sonypi_eventtypes {
1394 struct sonypi_event *events;
1397 struct sony_pic_dev {
1398 struct acpi_device *acpi_dev;
1399 struct sony_pic_irq *cur_irq;
1400 struct sony_pic_ioport *cur_ioport;
1401 struct list_head interrupts;
1402 struct list_head ioports;
1404 struct sonypi_eventtypes *event_types;
1405 int (*handle_irq)(const u8, const u8);
1413 static struct sony_pic_dev spic_dev = {
1414 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1415 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1418 static int spic_drv_registered;
1421 #define SONYPI_JOGGER_MASK 0x00000001
1422 #define SONYPI_CAPTURE_MASK 0x00000002
1423 #define SONYPI_FNKEY_MASK 0x00000004
1424 #define SONYPI_BLUETOOTH_MASK 0x00000008
1425 #define SONYPI_PKEY_MASK 0x00000010
1426 #define SONYPI_BACK_MASK 0x00000020
1427 #define SONYPI_HELP_MASK 0x00000040
1428 #define SONYPI_LID_MASK 0x00000080
1429 #define SONYPI_ZOOM_MASK 0x00000100
1430 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1431 #define SONYPI_MEYE_MASK 0x00000400
1432 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1433 #define SONYPI_BATTERY_MASK 0x00001000
1434 #define SONYPI_WIRELESS_MASK 0x00002000
1436 struct sonypi_event {
1441 /* The set of possible button release events */
1442 static struct sonypi_event sonypi_releaseev[] = {
1443 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1447 /* The set of possible jogger events */
1448 static struct sonypi_event sonypi_joggerev[] = {
1449 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1450 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1451 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1452 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1453 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1454 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1455 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1456 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1457 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1458 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1459 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1460 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1461 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1465 /* The set of possible capture button events */
1466 static struct sonypi_event sonypi_captureev[] = {
1467 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1468 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1469 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1470 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1474 /* The set of possible fnkeys events */
1475 static struct sonypi_event sonypi_fnkeyev[] = {
1476 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1477 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1478 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1479 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1480 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1481 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1482 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1483 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1484 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1485 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1486 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1487 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1488 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1489 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1490 { 0x21, SONYPI_EVENT_FNKEY_1 },
1491 { 0x22, SONYPI_EVENT_FNKEY_2 },
1492 { 0x31, SONYPI_EVENT_FNKEY_D },
1493 { 0x32, SONYPI_EVENT_FNKEY_E },
1494 { 0x33, SONYPI_EVENT_FNKEY_F },
1495 { 0x34, SONYPI_EVENT_FNKEY_S },
1496 { 0x35, SONYPI_EVENT_FNKEY_B },
1497 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1501 /* The set of possible program key events */
1502 static struct sonypi_event sonypi_pkeyev[] = {
1503 { 0x01, SONYPI_EVENT_PKEY_P1 },
1504 { 0x02, SONYPI_EVENT_PKEY_P2 },
1505 { 0x04, SONYPI_EVENT_PKEY_P3 },
1506 { 0x20, SONYPI_EVENT_PKEY_P1 },
1510 /* The set of possible bluetooth events */
1511 static struct sonypi_event sonypi_blueev[] = {
1512 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1513 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1514 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1518 /* The set of possible wireless events */
1519 static struct sonypi_event sonypi_wlessev[] = {
1520 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1521 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1525 /* The set of possible back button events */
1526 static struct sonypi_event sonypi_backev[] = {
1527 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1531 /* The set of possible help button events */
1532 static struct sonypi_event sonypi_helpev[] = {
1533 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1538 /* The set of possible lid events */
1539 static struct sonypi_event sonypi_lidev[] = {
1540 { 0x51, SONYPI_EVENT_LID_CLOSED },
1541 { 0x50, SONYPI_EVENT_LID_OPENED },
1545 /* The set of possible zoom events */
1546 static struct sonypi_event sonypi_zoomev[] = {
1547 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1548 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1549 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1550 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1554 /* The set of possible thumbphrase events */
1555 static struct sonypi_event sonypi_thumbphraseev[] = {
1556 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1560 /* The set of possible motioneye camera events */
1561 static struct sonypi_event sonypi_meyeev[] = {
1562 { 0x00, SONYPI_EVENT_MEYE_FACE },
1563 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1567 /* The set of possible memorystick events */
1568 static struct sonypi_event sonypi_memorystickev[] = {
1569 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1570 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1574 /* The set of possible battery events */
1575 static struct sonypi_event sonypi_batteryev[] = {
1576 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1577 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1581 /* The set of possible volume events */
1582 static struct sonypi_event sonypi_volumeev[] = {
1583 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1584 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1588 /* The set of possible brightness events */
1589 static struct sonypi_event sonypi_brightnessev[] = {
1590 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1594 static struct sonypi_eventtypes type1_events[] = {
1595 { 0, 0xffffffff, sonypi_releaseev },
1596 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1597 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1598 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1599 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1600 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1601 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1602 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1603 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1604 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1607 static struct sonypi_eventtypes type2_events[] = {
1608 { 0, 0xffffffff, sonypi_releaseev },
1609 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1610 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1611 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1612 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1613 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1614 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1615 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1616 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1617 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1618 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1619 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1620 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1621 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1624 static struct sonypi_eventtypes type3_events[] = {
1625 { 0, 0xffffffff, sonypi_releaseev },
1626 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1627 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1628 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1629 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1630 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1631 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1632 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1633 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1634 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1635 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1639 /* low level spic calls */
1640 #define ITERATIONS_LONG 10000
1641 #define ITERATIONS_SHORT 10
1642 #define wait_on_command(command, iterations) { \
1643 unsigned int n = iterations; \
1644 while (--n && (command)) \
1647 dprintk("command failed at %s : %s (line %d)\n", \
1648 __FILE__, __func__, __LINE__); \
1651 static u8 sony_pic_call1(u8 dev)
1655 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1657 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1658 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1659 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1660 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1664 static u8 sony_pic_call2(u8 dev, u8 fn)
1668 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1670 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1671 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1673 outb(fn, spic_dev.cur_ioport->io1.minimum);
1674 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1675 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1679 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1683 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1684 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1685 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1686 outb(fn, spic_dev.cur_ioport->io1.minimum);
1687 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1688 outb(v, spic_dev.cur_ioport->io1.minimum);
1689 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1690 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1696 * minidrivers for SPIC models
1698 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1701 * 0x31 could mean we have to take some extra action and wait for
1702 * the next irq for some Type3 models, it will generate a new
1703 * irq and we can read new data from the device:
1704 * - 0x5c and 0x5f requires 0xA0
1705 * - 0x61 requires 0xB3
1707 if (data_mask == 0x31) {
1708 if (ev == 0x5c || ev == 0x5f)
1709 sony_pic_call1(0xA0);
1710 else if (ev == 0x61)
1711 sony_pic_call1(0xB3);
1717 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1719 struct pci_dev *pcidev;
1721 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1722 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1724 dev->model = SONYPI_DEVICE_TYPE1;
1725 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1726 dev->event_types = type1_events;
1730 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1731 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1733 dev->model = SONYPI_DEVICE_TYPE2;
1734 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1735 dev->event_types = type2_events;
1739 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1740 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1742 dev->model = SONYPI_DEVICE_TYPE3;
1743 dev->handle_irq = type3_handle_irq;
1744 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1745 dev->event_types = type3_events;
1749 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1750 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1752 dev->model = SONYPI_DEVICE_TYPE3;
1753 dev->handle_irq = type3_handle_irq;
1754 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1755 dev->event_types = type3_events;
1759 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1760 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1762 dev->model = SONYPI_DEVICE_TYPE3;
1763 dev->handle_irq = type3_handle_irq;
1764 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1765 dev->event_types = type3_events;
1770 dev->model = SONYPI_DEVICE_TYPE2;
1771 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1772 dev->event_types = type2_events;
1776 pci_dev_put(pcidev);
1778 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1779 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1780 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1783 /* camera tests and poweron/poweroff */
1784 #define SONYPI_CAMERA_PICTURE 5
1785 #define SONYPI_CAMERA_CONTROL 0x10
1787 #define SONYPI_CAMERA_BRIGHTNESS 0
1788 #define SONYPI_CAMERA_CONTRAST 1
1789 #define SONYPI_CAMERA_HUE 2
1790 #define SONYPI_CAMERA_COLOR 3
1791 #define SONYPI_CAMERA_SHARPNESS 4
1793 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1794 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1795 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1796 #define SONYPI_CAMERA_MUTE_MASK 0x40
1798 /* the rest don't need a loop until not 0xff */
1799 #define SONYPI_CAMERA_AGC 6
1800 #define SONYPI_CAMERA_AGC_MASK 0x30
1801 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1803 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1804 #define SONYPI_CAMERA_CONTROL 0x10
1806 #define SONYPI_CAMERA_STATUS 7
1807 #define SONYPI_CAMERA_STATUS_READY 0x2
1808 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1810 #define SONYPI_DIRECTION_BACKWARDS 0x4
1812 #define SONYPI_CAMERA_REVISION 8
1813 #define SONYPI_CAMERA_ROMVERSION 9
1815 static int __sony_pic_camera_ready(void)
1819 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1820 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1823 static int __sony_pic_camera_off(void)
1826 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1830 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1831 SONYPI_CAMERA_MUTE_MASK),
1834 if (spic_dev.camera_power) {
1835 sony_pic_call2(0x91, 0);
1836 spic_dev.camera_power = 0;
1841 static int __sony_pic_camera_on(void)
1846 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1850 if (spic_dev.camera_power)
1853 for (j = 5; j > 0; j--) {
1855 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1857 sony_pic_call1(0x93);
1859 for (i = 400; i > 0; i--) {
1860 if (__sony_pic_camera_ready())
1869 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1873 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1877 spic_dev.camera_power = 1;
1881 /* External camera command (exported to the motion eye v4l driver) */
1882 int sony_pic_camera_command(int command, u8 value)
1887 mutex_lock(&spic_dev.lock);
1890 case SONY_PIC_COMMAND_SETCAMERA:
1892 __sony_pic_camera_on();
1894 __sony_pic_camera_off();
1896 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1897 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1900 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1901 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1904 case SONY_PIC_COMMAND_SETCAMERAHUE:
1905 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1908 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1909 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1912 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1913 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1916 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1917 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1920 case SONY_PIC_COMMAND_SETCAMERAAGC:
1921 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1925 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1929 mutex_unlock(&spic_dev.lock);
1932 EXPORT_SYMBOL(sony_pic_camera_command);
1934 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1935 static void __sony_pic_set_wwanpower(u8 state)
1938 if (spic_dev.wwan_power == state)
1940 sony_pic_call2(0xB0, state);
1941 sony_pic_call1(0x82);
1942 spic_dev.wwan_power = state;
1945 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1946 struct device_attribute *attr,
1947 const char *buffer, size_t count)
1949 unsigned long value;
1953 value = simple_strtoul(buffer, NULL, 10);
1954 mutex_lock(&spic_dev.lock);
1955 __sony_pic_set_wwanpower(value);
1956 mutex_unlock(&spic_dev.lock);
1961 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1962 struct device_attribute *attr, char *buffer)
1965 mutex_lock(&spic_dev.lock);
1966 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1967 mutex_unlock(&spic_dev.lock);
1971 /* bluetooth subsystem power state */
1972 static void __sony_pic_set_bluetoothpower(u8 state)
1975 if (spic_dev.bluetooth_power == state)
1977 sony_pic_call2(0x96, state);
1978 sony_pic_call1(0x82);
1979 spic_dev.bluetooth_power = state;
1982 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1983 struct device_attribute *attr,
1984 const char *buffer, size_t count)
1986 unsigned long value;
1990 value = simple_strtoul(buffer, NULL, 10);
1991 mutex_lock(&spic_dev.lock);
1992 __sony_pic_set_bluetoothpower(value);
1993 mutex_unlock(&spic_dev.lock);
1998 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1999 struct device_attribute *attr, char *buffer)
2002 mutex_lock(&spic_dev.lock);
2003 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2004 mutex_unlock(&spic_dev.lock);
2009 /* FAN0 information (reverse engineered from ACPI tables) */
2010 #define SONY_PIC_FAN0_STATUS 0x93
2011 static int sony_pic_set_fanspeed(unsigned long value)
2013 return ec_write(SONY_PIC_FAN0_STATUS, value);
2016 static int sony_pic_get_fanspeed(u8 *value)
2018 return ec_read(SONY_PIC_FAN0_STATUS, value);
2021 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2022 struct device_attribute *attr,
2023 const char *buffer, size_t count)
2025 unsigned long value;
2029 value = simple_strtoul(buffer, NULL, 10);
2030 if (sony_pic_set_fanspeed(value))
2036 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2037 struct device_attribute *attr, char *buffer)
2040 if (sony_pic_get_fanspeed(&value))
2043 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2046 #define SPIC_ATTR(_name, _mode) \
2047 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2048 _mode, sony_pic_## _name ##_show, \
2049 sony_pic_## _name ##_store)
2051 static SPIC_ATTR(bluetoothpower, 0644);
2052 static SPIC_ATTR(wwanpower, 0644);
2053 static SPIC_ATTR(fanspeed, 0644);
2055 static struct attribute *spic_attributes[] = {
2056 &spic_attr_bluetoothpower.attr,
2057 &spic_attr_wwanpower.attr,
2058 &spic_attr_fanspeed.attr,
2062 static struct attribute_group spic_attribute_group = {
2063 .attrs = spic_attributes
2066 /******** SONYPI compatibility **********/
2067 #ifdef CONFIG_SONYPI_COMPAT
2069 /* battery / brightness / temperature addresses */
2070 #define SONYPI_BAT_FLAGS 0x81
2071 #define SONYPI_LCD_LIGHT 0x96
2072 #define SONYPI_BAT1_PCTRM 0xa0
2073 #define SONYPI_BAT1_LEFT 0xa2
2074 #define SONYPI_BAT1_MAXRT 0xa4
2075 #define SONYPI_BAT2_PCTRM 0xa8
2076 #define SONYPI_BAT2_LEFT 0xaa
2077 #define SONYPI_BAT2_MAXRT 0xac
2078 #define SONYPI_BAT1_MAXTK 0xb0
2079 #define SONYPI_BAT1_FULL 0xb2
2080 #define SONYPI_BAT2_MAXTK 0xb8
2081 #define SONYPI_BAT2_FULL 0xba
2082 #define SONYPI_TEMP_STATUS 0xC1
2084 struct sonypi_compat_s {
2085 struct fasync_struct *fifo_async;
2087 spinlock_t fifo_lock;
2088 wait_queue_head_t fifo_proc_list;
2089 atomic_t open_count;
2091 static struct sonypi_compat_s sonypi_compat = {
2092 .open_count = ATOMIC_INIT(0),
2095 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2097 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2100 static int sonypi_misc_release(struct inode *inode, struct file *file)
2102 atomic_dec(&sonypi_compat.open_count);
2106 static int sonypi_misc_open(struct inode *inode, struct file *file)
2108 /* Flush input queue on first open */
2109 unsigned long flags;
2111 spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2113 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2114 __kfifo_reset(sonypi_compat.fifo);
2116 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2121 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2122 size_t count, loff_t *pos)
2127 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2128 (file->f_flags & O_NONBLOCK))
2131 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2132 kfifo_len(sonypi_compat.fifo) != 0);
2136 while (ret < count &&
2137 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2138 if (put_user(c, buf++))
2144 struct inode *inode = file->f_path.dentry->d_inode;
2145 inode->i_atime = current_fs_time(inode->i_sb);
2151 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2153 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2154 if (kfifo_len(sonypi_compat.fifo))
2155 return POLLIN | POLLRDNORM;
2159 static int ec_read16(u8 addr, u16 *value)
2162 if (ec_read(addr, &val_lb))
2164 if (ec_read(addr + 1, &val_hb))
2166 *value = val_lb | (val_hb << 8);
2170 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2174 void __user *argp = (void __user *)arg;
2179 mutex_lock(&spic_dev.lock);
2181 case SONYPI_IOCGBRT:
2182 if (sony_backlight_device == NULL) {
2186 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2190 val8 = ((value & 0xff) - 1) << 5;
2191 if (copy_to_user(argp, &val8, sizeof(val8)))
2194 case SONYPI_IOCSBRT:
2195 if (sony_backlight_device == NULL) {
2199 if (copy_from_user(&val8, argp, sizeof(val8))) {
2203 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2204 (val8 >> 5) + 1, NULL)) {
2208 /* sync the backlight device status */
2209 sony_backlight_device->props.brightness =
2210 sony_backlight_get_brightness(sony_backlight_device);
2212 case SONYPI_IOCGBAT1CAP:
2213 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2217 if (copy_to_user(argp, &val16, sizeof(val16)))
2220 case SONYPI_IOCGBAT1REM:
2221 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2225 if (copy_to_user(argp, &val16, sizeof(val16)))
2228 case SONYPI_IOCGBAT2CAP:
2229 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2233 if (copy_to_user(argp, &val16, sizeof(val16)))
2236 case SONYPI_IOCGBAT2REM:
2237 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2241 if (copy_to_user(argp, &val16, sizeof(val16)))
2244 case SONYPI_IOCGBATFLAGS:
2245 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2250 if (copy_to_user(argp, &val8, sizeof(val8)))
2253 case SONYPI_IOCGBLUE:
2254 val8 = spic_dev.bluetooth_power;
2255 if (copy_to_user(argp, &val8, sizeof(val8)))
2258 case SONYPI_IOCSBLUE:
2259 if (copy_from_user(&val8, argp, sizeof(val8))) {
2263 __sony_pic_set_bluetoothpower(val8);
2266 case SONYPI_IOCGFAN:
2267 if (sony_pic_get_fanspeed(&val8)) {
2271 if (copy_to_user(argp, &val8, sizeof(val8)))
2274 case SONYPI_IOCSFAN:
2275 if (copy_from_user(&val8, argp, sizeof(val8))) {
2279 if (sony_pic_set_fanspeed(val8))
2282 /* GET Temperature (useful under APM) */
2283 case SONYPI_IOCGTEMP:
2284 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2288 if (copy_to_user(argp, &val8, sizeof(val8)))
2294 mutex_unlock(&spic_dev.lock);
2298 static const struct file_operations sonypi_misc_fops = {
2299 .owner = THIS_MODULE,
2300 .read = sonypi_misc_read,
2301 .poll = sonypi_misc_poll,
2302 .open = sonypi_misc_open,
2303 .release = sonypi_misc_release,
2304 .fasync = sonypi_misc_fasync,
2305 .unlocked_ioctl = sonypi_misc_ioctl,
2308 static struct miscdevice sonypi_misc_device = {
2309 .minor = MISC_DYNAMIC_MINOR,
2311 .fops = &sonypi_misc_fops,
2314 static void sonypi_compat_report_event(u8 event)
2316 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2317 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2318 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2321 static int sonypi_compat_init(void)
2325 spin_lock_init(&sonypi_compat.fifo_lock);
2326 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2327 &sonypi_compat.fifo_lock);
2328 if (IS_ERR(sonypi_compat.fifo)) {
2329 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2330 return PTR_ERR(sonypi_compat.fifo);
2333 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2336 sonypi_misc_device.minor = minor;
2337 error = misc_register(&sonypi_misc_device);
2339 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2340 goto err_free_kfifo;
2343 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2344 sonypi_misc_device.minor);
2349 kfifo_free(sonypi_compat.fifo);
2353 static void sonypi_compat_exit(void)
2355 misc_deregister(&sonypi_misc_device);
2356 kfifo_free(sonypi_compat.fifo);
2359 static int sonypi_compat_init(void) { return 0; }
2360 static void sonypi_compat_exit(void) { }
2361 static void sonypi_compat_report_event(u8 event) { }
2362 #endif /* CONFIG_SONYPI_COMPAT */
2368 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2371 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2373 switch (resource->type) {
2374 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2376 /* start IO enumeration */
2377 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2381 list_add(&ioport->list, &dev->ioports);
2385 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2386 /* end IO enumeration */
2389 case ACPI_RESOURCE_TYPE_IRQ:
2391 struct acpi_resource_irq *p = &resource->data.irq;
2392 struct sony_pic_irq *interrupt = NULL;
2393 if (!p || !p->interrupt_count) {
2395 * IRQ descriptors may have no IRQ# bits set,
2396 * particularly those those w/ _STA disabled
2398 dprintk("Blank IRQ resource\n");
2401 for (i = 0; i < p->interrupt_count; i++) {
2402 if (!p->interrupts[i]) {
2403 printk(KERN_WARNING DRV_PFX
2408 interrupt = kzalloc(sizeof(*interrupt),
2413 list_add(&interrupt->list, &dev->interrupts);
2414 interrupt->irq.triggering = p->triggering;
2415 interrupt->irq.polarity = p->polarity;
2416 interrupt->irq.sharable = p->sharable;
2417 interrupt->irq.interrupt_count = 1;
2418 interrupt->irq.interrupts[0] = p->interrupts[i];
2422 case ACPI_RESOURCE_TYPE_IO:
2424 struct acpi_resource_io *io = &resource->data.io;
2425 struct sony_pic_ioport *ioport =
2426 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2428 dprintk("Blank IO resource\n");
2432 if (!ioport->io1.minimum) {
2433 memcpy(&ioport->io1, io, sizeof(*io));
2434 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2435 ioport->io1.address_length);
2437 else if (!ioport->io2.minimum) {
2438 memcpy(&ioport->io2, io, sizeof(*io));
2439 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2440 ioport->io2.address_length);
2443 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2449 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2452 case ACPI_RESOURCE_TYPE_END_TAG:
2455 return AE_CTRL_TERMINATE;
2458 static int sony_pic_possible_resources(struct acpi_device *device)
2461 acpi_status status = AE_OK;
2466 /* get device status */
2467 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2468 dprintk("Evaluating _STA\n");
2469 result = acpi_bus_get_status(device);
2471 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2475 if (!device->status.enabled)
2476 dprintk("Device disabled\n");
2478 dprintk("Device enabled\n");
2481 * Query and parse 'method'
2483 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2484 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2485 sony_pic_read_possible_resource, &spic_dev);
2486 if (ACPI_FAILURE(status)) {
2487 printk(KERN_WARNING DRV_PFX
2488 "Failure evaluating %s\n",
2497 * Disable the spic device by calling its _DIS method
2499 static int sony_pic_disable(struct acpi_device *device)
2501 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2504 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2507 dprintk("Device disabled\n");
2513 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2515 * Call _SRS to set current resources
2517 static int sony_pic_enable(struct acpi_device *device,
2518 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2522 /* Type 1 resource layout is:
2528 * Type 2 and 3 resource layout is:
2534 struct acpi_resource res1;
2535 struct acpi_resource res2;
2536 struct acpi_resource res3;
2537 struct acpi_resource res4;
2539 struct acpi_buffer buffer = { 0, NULL };
2541 if (!ioport || !irq)
2544 /* init acpi_buffer */
2545 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2549 buffer.length = sizeof(*resource) + 1;
2550 buffer.pointer = resource;
2552 /* setup Type 1 resources */
2553 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2555 /* setup io resources */
2556 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2557 resource->res1.length = sizeof(struct acpi_resource);
2558 memcpy(&resource->res1.data.io, &ioport->io1,
2559 sizeof(struct acpi_resource_io));
2561 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2562 resource->res2.length = sizeof(struct acpi_resource);
2563 memcpy(&resource->res2.data.io, &ioport->io2,
2564 sizeof(struct acpi_resource_io));
2566 /* setup irq resource */
2567 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2568 resource->res3.length = sizeof(struct acpi_resource);
2569 memcpy(&resource->res3.data.irq, &irq->irq,
2570 sizeof(struct acpi_resource_irq));
2571 /* we requested a shared irq */
2572 resource->res3.data.irq.sharable = ACPI_SHARED;
2574 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2577 /* setup Type 2/3 resources */
2579 /* setup io resource */
2580 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2581 resource->res1.length = sizeof(struct acpi_resource);
2582 memcpy(&resource->res1.data.io, &ioport->io1,
2583 sizeof(struct acpi_resource_io));
2585 /* setup irq resource */
2586 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2587 resource->res2.length = sizeof(struct acpi_resource);
2588 memcpy(&resource->res2.data.irq, &irq->irq,
2589 sizeof(struct acpi_resource_irq));
2590 /* we requested a shared irq */
2591 resource->res2.data.irq.sharable = ACPI_SHARED;
2593 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2596 /* Attempt to set the resource */
2597 dprintk("Evaluating _SRS\n");
2598 status = acpi_set_current_resources(device->handle, &buffer);
2600 /* check for total failure */
2601 if (ACPI_FAILURE(status)) {
2602 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2607 /* Necessary device initializations calls (from sonypi) */
2608 sony_pic_call1(0x82);
2609 sony_pic_call2(0x81, 0xff);
2610 sony_pic_call1(compat ? 0x92 : 0x82);
2619 * ISR: some event is available
2622 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2627 u8 device_event = 0;
2629 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2631 ev = inb_p(dev->cur_ioport->io1.minimum);
2632 if (dev->cur_ioport->io2.minimum)
2633 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2635 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2636 dev->evport_offset);
2638 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2639 ev, data_mask, dev->cur_ioport->io1.minimum,
2640 dev->evport_offset);
2642 if (ev == 0x00 || ev == 0xff)
2645 for (i = 0; dev->event_types[i].mask; i++) {
2647 if ((data_mask & dev->event_types[i].data) !=
2648 dev->event_types[i].data)
2651 if (!(mask & dev->event_types[i].mask))
2654 for (j = 0; dev->event_types[i].events[j].event; j++) {
2655 if (ev == dev->event_types[i].events[j].data) {
2657 dev->event_types[i].events[j].event;
2662 /* Still not able to decode the event try to pass
2663 * it over to the minidriver
2665 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2668 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2669 ev, data_mask, dev->cur_ioport->io1.minimum,
2670 dev->evport_offset);
2674 sony_laptop_report_input_event(device_event);
2675 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2676 sonypi_compat_report_event(device_event);
2686 static int sony_pic_remove(struct acpi_device *device, int type)
2688 struct sony_pic_ioport *io, *tmp_io;
2689 struct sony_pic_irq *irq, *tmp_irq;
2691 if (sony_pic_disable(device)) {
2692 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2696 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2697 release_region(spic_dev.cur_ioport->io1.minimum,
2698 spic_dev.cur_ioport->io1.address_length);
2699 if (spic_dev.cur_ioport->io2.minimum)
2700 release_region(spic_dev.cur_ioport->io2.minimum,
2701 spic_dev.cur_ioport->io2.address_length);
2703 sonypi_compat_exit();
2705 sony_laptop_remove_input();
2708 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2711 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2712 list_del(&io->list);
2715 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2716 list_del(&irq->list);
2719 spic_dev.cur_ioport = NULL;
2720 spic_dev.cur_irq = NULL;
2722 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2726 static int sony_pic_add(struct acpi_device *device)
2729 struct sony_pic_ioport *io, *tmp_io;
2730 struct sony_pic_irq *irq, *tmp_irq;
2732 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2733 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2735 spic_dev.acpi_dev = device;
2736 strcpy(acpi_device_class(device), "sony/hotkey");
2737 sony_pic_detect_device_type(&spic_dev);
2738 mutex_init(&spic_dev.lock);
2740 /* read _PRS resources */
2741 result = sony_pic_possible_resources(device);
2743 printk(KERN_ERR DRV_PFX
2744 "Unable to read possible resources.\n");
2745 goto err_free_resources;
2748 /* setup input devices and helper fifo */
2749 result = sony_laptop_setup_input(device);
2751 printk(KERN_ERR DRV_PFX
2752 "Unable to create input devices.\n");
2753 goto err_free_resources;
2756 if (sonypi_compat_init())
2757 goto err_remove_input;
2759 /* request io port */
2760 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2761 if (request_region(io->io1.minimum, io->io1.address_length,
2762 "Sony Programable I/O Device")) {
2763 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2764 io->io1.minimum, io->io1.maximum,
2765 io->io1.address_length);
2766 /* Type 1 have 2 ioports */
2767 if (io->io2.minimum) {
2768 if (request_region(io->io2.minimum,
2769 io->io2.address_length,
2770 "Sony Programable I/O Device")) {
2771 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2772 io->io2.minimum, io->io2.maximum,
2773 io->io2.address_length);
2774 spic_dev.cur_ioport = io;
2778 dprintk("Unable to get I/O port2: "
2779 "0x%.4x (0x%.4x) + 0x%.2x\n",
2780 io->io2.minimum, io->io2.maximum,
2781 io->io2.address_length);
2782 release_region(io->io1.minimum,
2783 io->io1.address_length);
2787 spic_dev.cur_ioport = io;
2792 if (!spic_dev.cur_ioport) {
2793 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2795 goto err_remove_compat;
2799 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2800 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2801 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2802 dprintk("IRQ: %d - triggering: %d - "
2803 "polarity: %d - shr: %d\n",
2804 irq->irq.interrupts[0],
2805 irq->irq.triggering,
2808 spic_dev.cur_irq = irq;
2812 if (!spic_dev.cur_irq) {
2813 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2815 goto err_release_region;
2818 /* set resource status _SRS */
2819 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2821 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2825 spic_dev.bluetooth_power = -1;
2826 /* create device attributes */
2827 result = sony_pf_add();
2829 goto err_disable_device;
2831 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2841 sony_pic_disable(device);
2844 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2847 release_region(spic_dev.cur_ioport->io1.minimum,
2848 spic_dev.cur_ioport->io1.address_length);
2849 if (spic_dev.cur_ioport->io2.minimum)
2850 release_region(spic_dev.cur_ioport->io2.minimum,
2851 spic_dev.cur_ioport->io2.address_length);
2854 sonypi_compat_exit();
2857 sony_laptop_remove_input();
2860 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2861 list_del(&io->list);
2864 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2865 list_del(&irq->list);
2868 spic_dev.cur_ioport = NULL;
2869 spic_dev.cur_irq = NULL;
2874 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2876 if (sony_pic_disable(device))
2881 static int sony_pic_resume(struct acpi_device *device)
2883 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2887 static const struct acpi_device_id sony_pic_device_ids[] = {
2892 static struct acpi_driver sony_pic_driver = {
2893 .name = SONY_PIC_DRIVER_NAME,
2894 .class = SONY_PIC_CLASS,
2895 .ids = sony_pic_device_ids,
2896 .owner = THIS_MODULE,
2898 .add = sony_pic_add,
2899 .remove = sony_pic_remove,
2900 .suspend = sony_pic_suspend,
2901 .resume = sony_pic_resume,
2905 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2907 .ident = "Sony Vaio",
2909 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2910 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2914 .ident = "Sony Vaio",
2916 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2917 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2923 static int __init sony_laptop_init(void)
2927 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2928 result = acpi_bus_register_driver(&sony_pic_driver);
2930 printk(KERN_ERR DRV_PFX
2931 "Unable to register SPIC driver.");
2934 spic_drv_registered = 1;
2937 result = acpi_bus_register_driver(&sony_nc_driver);
2939 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2940 goto out_unregister_pic;
2946 if (spic_drv_registered)
2947 acpi_bus_unregister_driver(&sony_pic_driver);
2952 static void __exit sony_laptop_exit(void)
2954 acpi_bus_unregister_driver(&sony_nc_driver);
2955 if (spic_drv_registered)
2956 acpi_bus_unregister_driver(&sony_pic_driver);
2959 module_init(sony_laptop_init);
2960 module_exit(sony_laptop_exit);