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 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);
139 /*********** Input Devices ***********/
141 #define SONY_LAPTOP_BUF_SIZE 128
142 struct sony_laptop_input_s {
144 struct input_dev *jog_dev;
145 struct input_dev *key_dev;
147 spinlock_t fifo_lock;
148 struct workqueue_struct *wq;
151 static struct sony_laptop_input_s sony_laptop_input = {
152 .users = ATOMIC_INIT(0),
155 struct sony_laptop_keypress {
156 struct input_dev *dev;
160 /* Correspondance table between sonypi events
161 * and input layer indexes in the keymap
163 static int sony_laptop_input_index[] = {
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 */
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 */
301 /* release buttons after a short delay if pressed */
302 static void do_sony_laptop_release_key(struct work_struct *work)
304 struct sony_laptop_keypress kp;
306 while (kfifo_out_locked(&sony_laptop_input.fifo, (unsigned char *)&kp,
307 sizeof(kp), &sony_laptop_input.fifo_lock)
310 input_report_key(kp.dev, kp.key, 0);
314 static DECLARE_WORK(sony_laptop_release_key_work,
315 do_sony_laptop_release_key);
317 /* forward event to the input subsystem */
318 static void sony_laptop_report_input_event(u8 event)
320 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
321 struct input_dev *key_dev = sony_laptop_input.key_dev;
322 struct sony_laptop_keypress kp = { NULL };
324 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
325 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
326 /* Nothing, not all VAIOs generate this event */
333 case SONYPI_EVENT_JOGDIAL_UP:
334 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
335 input_report_rel(jog_dev, REL_WHEEL, 1);
339 case SONYPI_EVENT_JOGDIAL_DOWN:
340 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
341 input_report_rel(jog_dev, REL_WHEEL, -1);
346 case SONYPI_EVENT_JOGDIAL_PRESSED:
352 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
353 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
356 if (sony_laptop_input_index[event] != -1) {
357 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
358 if (kp.key != KEY_UNKNOWN)
365 input_report_key(kp.dev, kp.key, 1);
366 /* we emit the scancode so we can always remap the key */
367 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
369 kfifo_in_locked(&sony_laptop_input.fifo,
370 (unsigned char *)&kp, sizeof(kp),
371 &sony_laptop_input.fifo_lock);
373 if (!work_pending(&sony_laptop_release_key_work))
374 queue_work(sony_laptop_input.wq,
375 &sony_laptop_release_key_work);
377 dprintk("unknown input event %.2x\n", event);
380 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
382 struct input_dev *jog_dev;
383 struct input_dev *key_dev;
387 /* don't run again if already initialized */
388 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
392 spin_lock_init(&sony_laptop_input.fifo_lock);
394 kfifo_alloc(&sony_laptop_input.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
396 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
401 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
402 if (!sony_laptop_input.wq) {
403 printk(KERN_ERR DRV_PFX
404 "Unable to create workqueue.\n");
410 key_dev = input_allocate_device();
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;
421 /* Initialize the Input Drivers: special keys */
422 set_bit(EV_KEY, key_dev->evbit);
423 set_bit(EV_MSC, key_dev->evbit);
424 set_bit(MSC_SCAN, key_dev->mscbit);
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 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
430 set_bit(sony_laptop_input_keycode_map[i],
435 error = input_register_device(key_dev);
437 goto err_free_keydev;
439 sony_laptop_input.key_dev = key_dev;
442 jog_dev = input_allocate_device();
445 goto err_unregister_keydev;
448 jog_dev->name = "Sony Vaio Jogdial";
449 jog_dev->id.bustype = BUS_ISA;
450 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
451 key_dev->dev.parent = &acpi_device->dev;
453 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
454 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
455 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
457 error = input_register_device(jog_dev);
459 goto err_free_jogdev;
461 sony_laptop_input.jog_dev = jog_dev;
466 input_free_device(jog_dev);
468 err_unregister_keydev:
469 input_unregister_device(key_dev);
470 /* to avoid kref underflow below at input_free_device */
474 input_free_device(key_dev);
477 destroy_workqueue(sony_laptop_input.wq);
480 kfifo_free(&sony_laptop_input.fifo);
483 atomic_dec(&sony_laptop_input.users);
487 static void sony_laptop_remove_input(void)
489 /* cleanup only after the last user has gone */
490 if (!atomic_dec_and_test(&sony_laptop_input.users))
493 /* flush workqueue first */
494 flush_workqueue(sony_laptop_input.wq);
496 /* destroy input devs */
497 input_unregister_device(sony_laptop_input.key_dev);
498 sony_laptop_input.key_dev = NULL;
500 if (sony_laptop_input.jog_dev) {
501 input_unregister_device(sony_laptop_input.jog_dev);
502 sony_laptop_input.jog_dev = NULL;
505 destroy_workqueue(sony_laptop_input.wq);
506 kfifo_free(&sony_laptop_input.fifo);
509 /*********** Platform Device ***********/
511 static atomic_t sony_pf_users = ATOMIC_INIT(0);
512 static struct platform_driver sony_pf_driver = {
514 .name = "sony-laptop",
515 .owner = THIS_MODULE,
518 static struct platform_device *sony_pf_device;
520 static int sony_pf_add(void)
524 /* don't run again if already initialized */
525 if (atomic_add_return(1, &sony_pf_users) > 1)
528 ret = platform_driver_register(&sony_pf_driver);
532 sony_pf_device = platform_device_alloc("sony-laptop", -1);
533 if (!sony_pf_device) {
535 goto out_platform_registered;
538 ret = platform_device_add(sony_pf_device);
540 goto out_platform_alloced;
544 out_platform_alloced:
545 platform_device_put(sony_pf_device);
546 sony_pf_device = NULL;
547 out_platform_registered:
548 platform_driver_unregister(&sony_pf_driver);
550 atomic_dec(&sony_pf_users);
554 static void sony_pf_remove(void)
556 /* deregister only after the last user has gone */
557 if (!atomic_dec_and_test(&sony_pf_users))
560 platform_device_del(sony_pf_device);
561 platform_device_put(sony_pf_device);
562 platform_driver_unregister(&sony_pf_driver);
565 /*********** SNC (SNY5001) Device ***********/
567 /* the device uses 1-based values, while the backlight subsystem uses
569 #define SONY_MAX_BRIGHTNESS 8
571 #define SNC_VALIDATE_IN 0
572 #define SNC_VALIDATE_OUT 1
574 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
576 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
577 const char *, size_t);
578 static int boolean_validate(const int, const int);
579 static int brightness_default_validate(const int, const int);
581 struct sony_nc_value {
582 char *name; /* name of the entry */
583 char **acpiget; /* names of the ACPI get function */
584 char **acpiset; /* names of the ACPI set function */
585 int (*validate)(const int, const int); /* input/output validation */
586 int value; /* current setting */
587 int valid; /* Has ever been set */
588 int debug; /* active only in debug mode ? */
589 struct device_attribute devattr; /* sysfs atribute */
592 #define SNC_HANDLE_NAMES(_name, _values...) \
593 static char *snc_##_name[] = { _values, NULL }
595 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
597 .name = __stringify(_name), \
598 .acpiget = _getters, \
599 .acpiset = _setters, \
600 .validate = _validate, \
602 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
605 #define SNC_HANDLE_NULL { .name = NULL }
607 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
609 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
610 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
612 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
613 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
615 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
616 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
618 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
619 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
621 SNC_HANDLE_NAMES(lidstate_get, "GLID");
623 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
624 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
626 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
627 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
629 SNC_HANDLE_NAMES(PID_get, "GPID");
631 SNC_HANDLE_NAMES(CTR_get, "GCTR");
632 SNC_HANDLE_NAMES(CTR_set, "SCTR");
634 SNC_HANDLE_NAMES(PCR_get, "GPCR");
635 SNC_HANDLE_NAMES(PCR_set, "SPCR");
637 SNC_HANDLE_NAMES(CMI_get, "GCMI");
638 SNC_HANDLE_NAMES(CMI_set, "SCMI");
640 static struct sony_nc_value sony_nc_values[] = {
641 SNC_HANDLE(brightness_default, snc_brightness_def_get,
642 snc_brightness_def_set, brightness_default_validate, 0),
643 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
644 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
645 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
646 boolean_validate, 0),
647 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
648 boolean_validate, 1),
649 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
650 boolean_validate, 0),
651 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
652 boolean_validate, 0),
653 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
654 boolean_validate, 0),
655 /* unknown methods */
656 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
657 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
658 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
659 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
663 static acpi_handle sony_nc_acpi_handle;
664 static struct acpi_device *sony_nc_acpi_device = NULL;
667 * acpi_evaluate_object wrappers
669 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
671 struct acpi_buffer output;
672 union acpi_object out_obj;
675 output.length = sizeof(out_obj);
676 output.pointer = &out_obj;
678 status = acpi_evaluate_object(handle, name, NULL, &output);
679 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
680 *result = out_obj.integer.value;
684 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
689 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
692 struct acpi_object_list params;
693 union acpi_object in_obj;
694 struct acpi_buffer output;
695 union acpi_object out_obj;
699 params.pointer = &in_obj;
700 in_obj.type = ACPI_TYPE_INTEGER;
701 in_obj.integer.value = value;
703 output.length = sizeof(out_obj);
704 output.pointer = &out_obj;
706 status = acpi_evaluate_object(handle, name, ¶ms, &output);
707 if (status == AE_OK) {
708 if (result != NULL) {
709 if (out_obj.type != ACPI_TYPE_INTEGER) {
710 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
714 *result = out_obj.integer.value;
719 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
724 static int sony_find_snc_handle(int handle)
729 for (i = 0x20; i < 0x30; i++) {
730 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
731 if (result == handle)
738 static int sony_call_snc_handle(int handle, int argument, int *result)
740 int offset = sony_find_snc_handle(handle);
745 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
750 * sony_nc_values input/output validate functions
753 /* brightness_default_validate:
755 * manipulate input output values to keep consistency with the
756 * backlight framework for which brightness values are 0-based.
758 static int brightness_default_validate(const int direction, const int value)
761 case SNC_VALIDATE_OUT:
763 case SNC_VALIDATE_IN:
764 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
772 * on input validate boolean values 0/1, on output just pass the
775 static int boolean_validate(const int direction, const int value)
777 if (direction == SNC_VALIDATE_IN) {
778 if (value != 0 && value != 1)
785 * Sysfs show/store common to all sony_nc_values
787 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
791 struct sony_nc_value *item =
792 container_of(attr, struct sony_nc_value, devattr);
797 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
801 value = item->validate(SNC_VALIDATE_OUT, value);
803 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
806 static ssize_t sony_nc_sysfs_store(struct device *dev,
807 struct device_attribute *attr,
808 const char *buffer, size_t count)
811 struct sony_nc_value *item =
812 container_of(attr, struct sony_nc_value, devattr);
820 value = simple_strtoul(buffer, NULL, 10);
823 value = item->validate(SNC_VALIDATE_IN, value);
828 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
839 static int sony_backlight_update_status(struct backlight_device *bd)
841 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
842 bd->props.brightness + 1, NULL);
845 static int sony_backlight_get_brightness(struct backlight_device *bd)
849 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
851 /* brightness levels are 1-based, while backlight ones are 0-based */
855 static struct backlight_device *sony_backlight_device;
856 static struct backlight_ops sony_backlight_ops = {
857 .update_status = sony_backlight_update_status,
858 .get_brightness = sony_backlight_get_brightness,
862 * New SNC-only Vaios event mapping to driver known keys
864 struct sony_nc_event {
869 static struct sony_nc_event sony_100_events[] = {
870 { 0x90, SONYPI_EVENT_PKEY_P1 },
871 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
872 { 0x91, SONYPI_EVENT_PKEY_P2 },
873 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
874 { 0x81, SONYPI_EVENT_FNKEY_F1 },
875 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
876 { 0x82, SONYPI_EVENT_FNKEY_F2 },
877 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
878 { 0x83, SONYPI_EVENT_FNKEY_F3 },
879 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
880 { 0x84, SONYPI_EVENT_FNKEY_F4 },
881 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
882 { 0x85, SONYPI_EVENT_FNKEY_F5 },
883 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
884 { 0x86, SONYPI_EVENT_FNKEY_F6 },
885 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
886 { 0x87, SONYPI_EVENT_FNKEY_F7 },
887 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
888 { 0x89, SONYPI_EVENT_FNKEY_F9 },
889 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
890 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
891 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
892 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
893 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
894 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
895 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
896 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
897 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
901 static struct sony_nc_event sony_127_events[] = {
902 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
903 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
904 { 0x82, SONYPI_EVENT_PKEY_P1 },
905 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
906 { 0x83, SONYPI_EVENT_PKEY_P2 },
907 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
908 { 0x84, SONYPI_EVENT_PKEY_P3 },
909 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
910 { 0x85, SONYPI_EVENT_PKEY_P4 },
911 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
912 { 0x86, SONYPI_EVENT_PKEY_P5 },
913 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
914 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
915 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
922 static void sony_nc_notify(struct acpi_device *device, u32 event)
927 /* New-style event */
932 if (sony_find_snc_handle(0x100) == ev)
934 if (sony_find_snc_handle(0x127) == ev)
938 struct sony_nc_event *key_event;
940 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
941 dprintk("sony_nc_notify, unable to decode"
942 " event 0x%.2x 0x%.2x\n", key_handle,
944 /* restore the original event */
949 if (key_handle == 0x100)
950 key_event = sony_100_events;
952 key_event = sony_127_events;
954 for (; key_event->data; key_event++) {
955 if (key_event->data == ev) {
956 ev = key_event->event;
961 if (!key_event->data)
962 printk(KERN_INFO DRV_PFX
963 "Unknown event: 0x%x 0x%x\n",
967 sony_laptop_report_input_event(ev);
969 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
970 sony_nc_rfkill_update();
974 sony_laptop_report_input_event(ev);
976 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
977 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
980 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
981 void *context, void **return_value)
983 struct acpi_device_info *info;
985 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
986 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
987 (char *)&info->name, info->param_count);
998 static int sony_nc_function_setup(struct acpi_device *device)
1002 /* Enable all events */
1003 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1006 sony_call_snc_handle(0x0100, 0, &result);
1007 sony_call_snc_handle(0x0101, 0, &result);
1008 sony_call_snc_handle(0x0102, 0x100, &result);
1009 sony_call_snc_handle(0x0127, 0, &result);
1014 static int sony_nc_resume(struct acpi_device *device)
1016 struct sony_nc_value *item;
1019 for (item = sony_nc_values; item->name; item++) {
1024 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1027 printk("%s: %d\n", __func__, ret);
1032 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1034 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1035 dprintk("ECON Method failed\n");
1038 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1040 dprintk("Doing SNC setup\n");
1041 sony_nc_function_setup(device);
1044 /* set the last requested brightness level */
1045 if (sony_backlight_device &&
1046 sony_backlight_update_status(sony_backlight_device) < 0)
1047 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1049 /* re-read rfkill state */
1050 sony_nc_rfkill_update();
1055 static void sony_nc_rfkill_cleanup(void)
1059 for (i = 0; i < N_SONY_RFKILL; i++) {
1060 if (sony_rfkill_devices[i]) {
1061 rfkill_unregister(sony_rfkill_devices[i]);
1062 rfkill_destroy(sony_rfkill_devices[i]);
1067 static int sony_nc_rfkill_set(void *data, bool blocked)
1070 int argument = sony_rfkill_address[(long) data] + 0x100;
1073 argument |= 0xff0000;
1075 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1078 static const struct rfkill_ops sony_rfkill_ops = {
1079 .set_block = sony_nc_rfkill_set,
1082 static int sony_nc_setup_rfkill(struct acpi_device *device,
1083 enum sony_nc_rfkill nc_type)
1087 enum rfkill_type type;
1094 type = RFKILL_TYPE_WLAN;
1097 case SONY_BLUETOOTH:
1098 type = RFKILL_TYPE_BLUETOOTH;
1099 name = "sony-bluetooth";
1102 type = RFKILL_TYPE_WWAN;
1106 type = RFKILL_TYPE_WIMAX;
1107 name = "sony-wimax";
1113 rfk = rfkill_alloc(name, &device->dev, type,
1114 &sony_rfkill_ops, (void *)nc_type);
1118 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1119 hwblock = !(result & 0x1);
1120 rfkill_set_hw_state(rfk, hwblock);
1122 err = rfkill_register(rfk);
1124 rfkill_destroy(rfk);
1127 sony_rfkill_devices[nc_type] = rfk;
1131 static void sony_nc_rfkill_update()
1133 enum sony_nc_rfkill i;
1137 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1138 hwblock = !(result & 0x1);
1140 for (i = 0; i < N_SONY_RFKILL; i++) {
1141 int argument = sony_rfkill_address[i];
1143 if (!sony_rfkill_devices[i])
1147 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1148 /* we already know we're blocked */
1153 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1154 rfkill_set_states(sony_rfkill_devices[i],
1155 !(result & 0xf), false);
1159 static void sony_nc_rfkill_setup(struct acpi_device *device)
1164 struct acpi_object_list params;
1165 union acpi_object in_obj;
1166 union acpi_object *device_enum;
1167 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1169 offset = sony_find_snc_handle(0x124);
1171 offset = sony_find_snc_handle(0x135);
1175 sony_rfkill_handle = 0x135;
1177 sony_rfkill_handle = 0x124;
1178 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1180 /* need to read the whole buffer returned by the acpi call to SN06
1181 * here otherwise we may miss some features
1184 params.pointer = &in_obj;
1185 in_obj.type = ACPI_TYPE_INTEGER;
1186 in_obj.integer.value = offset;
1187 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms,
1189 if (ACPI_FAILURE(status)) {
1190 dprintk("Radio device enumeration failed\n");
1194 device_enum = (union acpi_object *) buffer.pointer;
1195 if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1196 printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n",
1201 /* the buffer is filled with magic numbers describing the devices
1202 * available, 0xff terminates the enumeration
1204 while ((dev_code = *(device_enum->buffer.pointer + i)) != 0xff &&
1205 i < device_enum->buffer.length) {
1207 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1209 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1210 sony_nc_setup_rfkill(device, SONY_WIFI);
1212 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1213 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1215 if ((0xf0 & dev_code) == 0x20 &&
1216 !sony_rfkill_devices[SONY_WWAN])
1217 sony_nc_setup_rfkill(device, SONY_WWAN);
1219 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1220 sony_nc_setup_rfkill(device, SONY_WIMAX);
1224 kfree(buffer.pointer);
1228 static int sony_nc_add(struct acpi_device *device)
1233 struct sony_nc_value *item;
1235 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1236 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1238 sony_nc_acpi_device = device;
1239 strcpy(acpi_device_class(device), "sony/hotkey");
1241 sony_nc_acpi_handle = device->handle;
1243 /* read device status */
1244 result = acpi_bus_get_status(device);
1245 /* bail IFF the above call was successful and the device is not present */
1246 if (!result && !device->status.present) {
1247 dprintk("Device not present\n");
1253 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1254 1, sony_walk_callback, NULL, NULL, NULL);
1255 if (ACPI_FAILURE(status)) {
1256 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1262 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1264 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1265 dprintk("ECON Method failed\n");
1268 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1270 dprintk("Doing SNC setup\n");
1271 sony_nc_function_setup(device);
1272 sony_nc_rfkill_setup(device);
1275 /* setup input devices and helper fifo */
1276 result = sony_laptop_setup_input(device);
1278 printk(KERN_ERR DRV_PFX
1279 "Unable to create input devices.\n");
1283 if (acpi_video_backlight_support()) {
1284 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1285 "controlled by ACPI video driver\n");
1286 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1288 sony_backlight_device = backlight_device_register("sony", NULL,
1290 &sony_backlight_ops);
1292 if (IS_ERR(sony_backlight_device)) {
1293 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1294 sony_backlight_device = NULL;
1296 sony_backlight_device->props.brightness =
1297 sony_backlight_get_brightness
1298 (sony_backlight_device);
1299 sony_backlight_device->props.max_brightness =
1300 SONY_MAX_BRIGHTNESS - 1;
1305 result = sony_pf_add();
1309 /* create sony_pf sysfs attributes related to the SNC device */
1310 for (item = sony_nc_values; item->name; ++item) {
1312 if (!debug && item->debug)
1315 /* find the available acpiget as described in the DSDT */
1316 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1317 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1320 dprintk("Found %s getter: %s\n",
1321 item->name, *item->acpiget);
1322 item->devattr.attr.mode |= S_IRUGO;
1327 /* find the available acpiset as described in the DSDT */
1328 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1329 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1332 dprintk("Found %s setter: %s\n",
1333 item->name, *item->acpiset);
1334 item->devattr.attr.mode |= S_IWUSR;
1339 if (item->devattr.attr.mode != 0) {
1341 device_create_file(&sony_pf_device->dev,
1351 for (item = sony_nc_values; item->name; ++item) {
1352 device_remove_file(&sony_pf_device->dev, &item->devattr);
1357 if (sony_backlight_device)
1358 backlight_device_unregister(sony_backlight_device);
1360 sony_laptop_remove_input();
1363 sony_nc_rfkill_cleanup();
1367 static int sony_nc_remove(struct acpi_device *device, int type)
1369 struct sony_nc_value *item;
1371 if (sony_backlight_device)
1372 backlight_device_unregister(sony_backlight_device);
1374 sony_nc_acpi_device = NULL;
1376 for (item = sony_nc_values; item->name; ++item) {
1377 device_remove_file(&sony_pf_device->dev, &item->devattr);
1381 sony_laptop_remove_input();
1382 sony_nc_rfkill_cleanup();
1383 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1388 static const struct acpi_device_id sony_device_ids[] = {
1393 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1395 static const struct acpi_device_id sony_nc_device_ids[] = {
1400 static struct acpi_driver sony_nc_driver = {
1401 .name = SONY_NC_DRIVER_NAME,
1402 .class = SONY_NC_CLASS,
1403 .ids = sony_nc_device_ids,
1404 .owner = THIS_MODULE,
1407 .remove = sony_nc_remove,
1408 .resume = sony_nc_resume,
1409 .notify = sony_nc_notify,
1413 /*********** SPIC (SNY6001) Device ***********/
1415 #define SONYPI_DEVICE_TYPE1 0x00000001
1416 #define SONYPI_DEVICE_TYPE2 0x00000002
1417 #define SONYPI_DEVICE_TYPE3 0x00000004
1418 #define SONYPI_DEVICE_TYPE4 0x00000008
1420 #define SONYPI_TYPE1_OFFSET 0x04
1421 #define SONYPI_TYPE2_OFFSET 0x12
1422 #define SONYPI_TYPE3_OFFSET 0x12
1424 struct sony_pic_ioport {
1425 struct acpi_resource_io io1;
1426 struct acpi_resource_io io2;
1427 struct list_head list;
1430 struct sony_pic_irq {
1431 struct acpi_resource_irq irq;
1432 struct list_head list;
1435 struct sonypi_eventtypes {
1438 struct sonypi_event *events;
1441 struct sony_pic_dev {
1442 struct acpi_device *acpi_dev;
1443 struct sony_pic_irq *cur_irq;
1444 struct sony_pic_ioport *cur_ioport;
1445 struct list_head interrupts;
1446 struct list_head ioports;
1448 struct sonypi_eventtypes *event_types;
1449 int (*handle_irq)(const u8, const u8);
1457 static struct sony_pic_dev spic_dev = {
1458 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1459 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1462 static int spic_drv_registered;
1465 #define SONYPI_JOGGER_MASK 0x00000001
1466 #define SONYPI_CAPTURE_MASK 0x00000002
1467 #define SONYPI_FNKEY_MASK 0x00000004
1468 #define SONYPI_BLUETOOTH_MASK 0x00000008
1469 #define SONYPI_PKEY_MASK 0x00000010
1470 #define SONYPI_BACK_MASK 0x00000020
1471 #define SONYPI_HELP_MASK 0x00000040
1472 #define SONYPI_LID_MASK 0x00000080
1473 #define SONYPI_ZOOM_MASK 0x00000100
1474 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1475 #define SONYPI_MEYE_MASK 0x00000400
1476 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1477 #define SONYPI_BATTERY_MASK 0x00001000
1478 #define SONYPI_WIRELESS_MASK 0x00002000
1480 struct sonypi_event {
1485 /* The set of possible button release events */
1486 static struct sonypi_event sonypi_releaseev[] = {
1487 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1491 /* The set of possible jogger events */
1492 static struct sonypi_event sonypi_joggerev[] = {
1493 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1494 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1495 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1496 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1497 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1498 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1499 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1500 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1501 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1502 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1503 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1504 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1505 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1509 /* The set of possible capture button events */
1510 static struct sonypi_event sonypi_captureev[] = {
1511 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1512 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1513 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1514 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1518 /* The set of possible fnkeys events */
1519 static struct sonypi_event sonypi_fnkeyev[] = {
1520 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1521 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1522 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1523 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1524 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1525 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1526 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1527 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1528 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1529 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1530 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1531 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1532 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1533 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1534 { 0x21, SONYPI_EVENT_FNKEY_1 },
1535 { 0x22, SONYPI_EVENT_FNKEY_2 },
1536 { 0x31, SONYPI_EVENT_FNKEY_D },
1537 { 0x32, SONYPI_EVENT_FNKEY_E },
1538 { 0x33, SONYPI_EVENT_FNKEY_F },
1539 { 0x34, SONYPI_EVENT_FNKEY_S },
1540 { 0x35, SONYPI_EVENT_FNKEY_B },
1541 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1545 /* The set of possible program key events */
1546 static struct sonypi_event sonypi_pkeyev[] = {
1547 { 0x01, SONYPI_EVENT_PKEY_P1 },
1548 { 0x02, SONYPI_EVENT_PKEY_P2 },
1549 { 0x04, SONYPI_EVENT_PKEY_P3 },
1550 { 0x20, SONYPI_EVENT_PKEY_P1 },
1554 /* The set of possible bluetooth events */
1555 static struct sonypi_event sonypi_blueev[] = {
1556 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1557 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1558 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1562 /* The set of possible wireless events */
1563 static struct sonypi_event sonypi_wlessev[] = {
1564 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1565 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1569 /* The set of possible back button events */
1570 static struct sonypi_event sonypi_backev[] = {
1571 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1575 /* The set of possible help button events */
1576 static struct sonypi_event sonypi_helpev[] = {
1577 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1582 /* The set of possible lid events */
1583 static struct sonypi_event sonypi_lidev[] = {
1584 { 0x51, SONYPI_EVENT_LID_CLOSED },
1585 { 0x50, SONYPI_EVENT_LID_OPENED },
1589 /* The set of possible zoom events */
1590 static struct sonypi_event sonypi_zoomev[] = {
1591 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1592 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1593 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1594 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1598 /* The set of possible thumbphrase events */
1599 static struct sonypi_event sonypi_thumbphraseev[] = {
1600 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1604 /* The set of possible motioneye camera events */
1605 static struct sonypi_event sonypi_meyeev[] = {
1606 { 0x00, SONYPI_EVENT_MEYE_FACE },
1607 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1611 /* The set of possible memorystick events */
1612 static struct sonypi_event sonypi_memorystickev[] = {
1613 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1614 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1618 /* The set of possible battery events */
1619 static struct sonypi_event sonypi_batteryev[] = {
1620 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1621 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1625 /* The set of possible volume events */
1626 static struct sonypi_event sonypi_volumeev[] = {
1627 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1628 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1632 /* The set of possible brightness events */
1633 static struct sonypi_event sonypi_brightnessev[] = {
1634 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1638 static struct sonypi_eventtypes type1_events[] = {
1639 { 0, 0xffffffff, sonypi_releaseev },
1640 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1641 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1642 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1643 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1644 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1645 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1646 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1647 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1648 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1651 static struct sonypi_eventtypes type2_events[] = {
1652 { 0, 0xffffffff, sonypi_releaseev },
1653 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1654 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1655 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1656 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1657 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1658 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1659 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1660 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1661 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1662 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1663 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1664 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1665 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1668 static struct sonypi_eventtypes type3_events[] = {
1669 { 0, 0xffffffff, sonypi_releaseev },
1670 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1671 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1672 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1673 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1674 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1675 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1676 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1677 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1678 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1679 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1683 /* low level spic calls */
1684 #define ITERATIONS_LONG 10000
1685 #define ITERATIONS_SHORT 10
1686 #define wait_on_command(command, iterations) { \
1687 unsigned int n = iterations; \
1688 while (--n && (command)) \
1691 dprintk("command failed at %s : %s (line %d)\n", \
1692 __FILE__, __func__, __LINE__); \
1695 static u8 sony_pic_call1(u8 dev)
1699 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1701 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1702 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1703 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1704 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1708 static u8 sony_pic_call2(u8 dev, u8 fn)
1712 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1714 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1715 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1717 outb(fn, spic_dev.cur_ioport->io1.minimum);
1718 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1719 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1723 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1727 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1728 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1729 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1730 outb(fn, spic_dev.cur_ioport->io1.minimum);
1731 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1732 outb(v, spic_dev.cur_ioport->io1.minimum);
1733 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1734 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1740 * minidrivers for SPIC models
1742 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1745 * 0x31 could mean we have to take some extra action and wait for
1746 * the next irq for some Type3 models, it will generate a new
1747 * irq and we can read new data from the device:
1748 * - 0x5c and 0x5f requires 0xA0
1749 * - 0x61 requires 0xB3
1751 if (data_mask == 0x31) {
1752 if (ev == 0x5c || ev == 0x5f)
1753 sony_pic_call1(0xA0);
1754 else if (ev == 0x61)
1755 sony_pic_call1(0xB3);
1761 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1763 struct pci_dev *pcidev;
1765 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1766 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1768 dev->model = SONYPI_DEVICE_TYPE1;
1769 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1770 dev->event_types = type1_events;
1774 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1775 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1777 dev->model = SONYPI_DEVICE_TYPE2;
1778 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1779 dev->event_types = type2_events;
1783 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1784 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1786 dev->model = SONYPI_DEVICE_TYPE3;
1787 dev->handle_irq = type3_handle_irq;
1788 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1789 dev->event_types = type3_events;
1793 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1794 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1796 dev->model = SONYPI_DEVICE_TYPE3;
1797 dev->handle_irq = type3_handle_irq;
1798 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1799 dev->event_types = type3_events;
1803 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1804 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1806 dev->model = SONYPI_DEVICE_TYPE3;
1807 dev->handle_irq = type3_handle_irq;
1808 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1809 dev->event_types = type3_events;
1814 dev->model = SONYPI_DEVICE_TYPE2;
1815 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1816 dev->event_types = type2_events;
1820 pci_dev_put(pcidev);
1822 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1823 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1824 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1827 /* camera tests and poweron/poweroff */
1828 #define SONYPI_CAMERA_PICTURE 5
1829 #define SONYPI_CAMERA_CONTROL 0x10
1831 #define SONYPI_CAMERA_BRIGHTNESS 0
1832 #define SONYPI_CAMERA_CONTRAST 1
1833 #define SONYPI_CAMERA_HUE 2
1834 #define SONYPI_CAMERA_COLOR 3
1835 #define SONYPI_CAMERA_SHARPNESS 4
1837 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1838 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1839 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1840 #define SONYPI_CAMERA_MUTE_MASK 0x40
1842 /* the rest don't need a loop until not 0xff */
1843 #define SONYPI_CAMERA_AGC 6
1844 #define SONYPI_CAMERA_AGC_MASK 0x30
1845 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1847 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1848 #define SONYPI_CAMERA_CONTROL 0x10
1850 #define SONYPI_CAMERA_STATUS 7
1851 #define SONYPI_CAMERA_STATUS_READY 0x2
1852 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1854 #define SONYPI_DIRECTION_BACKWARDS 0x4
1856 #define SONYPI_CAMERA_REVISION 8
1857 #define SONYPI_CAMERA_ROMVERSION 9
1859 static int __sony_pic_camera_ready(void)
1863 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1864 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1867 static int __sony_pic_camera_off(void)
1870 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1874 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1875 SONYPI_CAMERA_MUTE_MASK),
1878 if (spic_dev.camera_power) {
1879 sony_pic_call2(0x91, 0);
1880 spic_dev.camera_power = 0;
1885 static int __sony_pic_camera_on(void)
1890 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1894 if (spic_dev.camera_power)
1897 for (j = 5; j > 0; j--) {
1899 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1901 sony_pic_call1(0x93);
1903 for (i = 400; i > 0; i--) {
1904 if (__sony_pic_camera_ready())
1913 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1917 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1921 spic_dev.camera_power = 1;
1925 /* External camera command (exported to the motion eye v4l driver) */
1926 int sony_pic_camera_command(int command, u8 value)
1931 mutex_lock(&spic_dev.lock);
1934 case SONY_PIC_COMMAND_SETCAMERA:
1936 __sony_pic_camera_on();
1938 __sony_pic_camera_off();
1940 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1941 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1944 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1945 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1948 case SONY_PIC_COMMAND_SETCAMERAHUE:
1949 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1952 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1953 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1956 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1957 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1960 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1961 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1964 case SONY_PIC_COMMAND_SETCAMERAAGC:
1965 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1969 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1973 mutex_unlock(&spic_dev.lock);
1976 EXPORT_SYMBOL(sony_pic_camera_command);
1978 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1979 static void __sony_pic_set_wwanpower(u8 state)
1982 if (spic_dev.wwan_power == state)
1984 sony_pic_call2(0xB0, state);
1985 sony_pic_call1(0x82);
1986 spic_dev.wwan_power = state;
1989 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1990 struct device_attribute *attr,
1991 const char *buffer, size_t count)
1993 unsigned long value;
1997 value = simple_strtoul(buffer, NULL, 10);
1998 mutex_lock(&spic_dev.lock);
1999 __sony_pic_set_wwanpower(value);
2000 mutex_unlock(&spic_dev.lock);
2005 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2006 struct device_attribute *attr, char *buffer)
2009 mutex_lock(&spic_dev.lock);
2010 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2011 mutex_unlock(&spic_dev.lock);
2015 /* bluetooth subsystem power state */
2016 static void __sony_pic_set_bluetoothpower(u8 state)
2019 if (spic_dev.bluetooth_power == state)
2021 sony_pic_call2(0x96, state);
2022 sony_pic_call1(0x82);
2023 spic_dev.bluetooth_power = state;
2026 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2027 struct device_attribute *attr,
2028 const char *buffer, size_t count)
2030 unsigned long value;
2034 value = simple_strtoul(buffer, NULL, 10);
2035 mutex_lock(&spic_dev.lock);
2036 __sony_pic_set_bluetoothpower(value);
2037 mutex_unlock(&spic_dev.lock);
2042 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2043 struct device_attribute *attr, char *buffer)
2046 mutex_lock(&spic_dev.lock);
2047 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2048 mutex_unlock(&spic_dev.lock);
2053 /* FAN0 information (reverse engineered from ACPI tables) */
2054 #define SONY_PIC_FAN0_STATUS 0x93
2055 static int sony_pic_set_fanspeed(unsigned long value)
2057 return ec_write(SONY_PIC_FAN0_STATUS, value);
2060 static int sony_pic_get_fanspeed(u8 *value)
2062 return ec_read(SONY_PIC_FAN0_STATUS, value);
2065 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2066 struct device_attribute *attr,
2067 const char *buffer, size_t count)
2069 unsigned long value;
2073 value = simple_strtoul(buffer, NULL, 10);
2074 if (sony_pic_set_fanspeed(value))
2080 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2081 struct device_attribute *attr, char *buffer)
2084 if (sony_pic_get_fanspeed(&value))
2087 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2090 #define SPIC_ATTR(_name, _mode) \
2091 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2092 _mode, sony_pic_## _name ##_show, \
2093 sony_pic_## _name ##_store)
2095 static SPIC_ATTR(bluetoothpower, 0644);
2096 static SPIC_ATTR(wwanpower, 0644);
2097 static SPIC_ATTR(fanspeed, 0644);
2099 static struct attribute *spic_attributes[] = {
2100 &spic_attr_bluetoothpower.attr,
2101 &spic_attr_wwanpower.attr,
2102 &spic_attr_fanspeed.attr,
2106 static struct attribute_group spic_attribute_group = {
2107 .attrs = spic_attributes
2110 /******** SONYPI compatibility **********/
2111 #ifdef CONFIG_SONYPI_COMPAT
2113 /* battery / brightness / temperature addresses */
2114 #define SONYPI_BAT_FLAGS 0x81
2115 #define SONYPI_LCD_LIGHT 0x96
2116 #define SONYPI_BAT1_PCTRM 0xa0
2117 #define SONYPI_BAT1_LEFT 0xa2
2118 #define SONYPI_BAT1_MAXRT 0xa4
2119 #define SONYPI_BAT2_PCTRM 0xa8
2120 #define SONYPI_BAT2_LEFT 0xaa
2121 #define SONYPI_BAT2_MAXRT 0xac
2122 #define SONYPI_BAT1_MAXTK 0xb0
2123 #define SONYPI_BAT1_FULL 0xb2
2124 #define SONYPI_BAT2_MAXTK 0xb8
2125 #define SONYPI_BAT2_FULL 0xba
2126 #define SONYPI_TEMP_STATUS 0xC1
2128 struct sonypi_compat_s {
2129 struct fasync_struct *fifo_async;
2131 spinlock_t fifo_lock;
2132 wait_queue_head_t fifo_proc_list;
2133 atomic_t open_count;
2135 static struct sonypi_compat_s sonypi_compat = {
2136 .open_count = ATOMIC_INIT(0),
2139 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2141 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2144 static int sonypi_misc_release(struct inode *inode, struct file *file)
2146 atomic_dec(&sonypi_compat.open_count);
2150 static int sonypi_misc_open(struct inode *inode, struct file *file)
2152 /* Flush input queue on first open */
2153 unsigned long flags;
2155 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2157 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2158 kfifo_reset(&sonypi_compat.fifo);
2160 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2165 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2166 size_t count, loff_t *pos)
2171 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2172 (file->f_flags & O_NONBLOCK))
2175 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2176 kfifo_len(&sonypi_compat.fifo) != 0);
2180 while (ret < count &&
2181 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2182 &sonypi_compat.fifo_lock) == sizeof(c))) {
2183 if (put_user(c, buf++))
2189 struct inode *inode = file->f_path.dentry->d_inode;
2190 inode->i_atime = current_fs_time(inode->i_sb);
2196 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2198 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2199 if (kfifo_len(&sonypi_compat.fifo))
2200 return POLLIN | POLLRDNORM;
2204 static int ec_read16(u8 addr, u16 *value)
2207 if (ec_read(addr, &val_lb))
2209 if (ec_read(addr + 1, &val_hb))
2211 *value = val_lb | (val_hb << 8);
2215 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2219 void __user *argp = (void __user *)arg;
2224 mutex_lock(&spic_dev.lock);
2226 case SONYPI_IOCGBRT:
2227 if (sony_backlight_device == NULL) {
2231 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2235 val8 = ((value & 0xff) - 1) << 5;
2236 if (copy_to_user(argp, &val8, sizeof(val8)))
2239 case SONYPI_IOCSBRT:
2240 if (sony_backlight_device == NULL) {
2244 if (copy_from_user(&val8, argp, sizeof(val8))) {
2248 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2249 (val8 >> 5) + 1, NULL)) {
2253 /* sync the backlight device status */
2254 sony_backlight_device->props.brightness =
2255 sony_backlight_get_brightness(sony_backlight_device);
2257 case SONYPI_IOCGBAT1CAP:
2258 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2262 if (copy_to_user(argp, &val16, sizeof(val16)))
2265 case SONYPI_IOCGBAT1REM:
2266 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2270 if (copy_to_user(argp, &val16, sizeof(val16)))
2273 case SONYPI_IOCGBAT2CAP:
2274 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2278 if (copy_to_user(argp, &val16, sizeof(val16)))
2281 case SONYPI_IOCGBAT2REM:
2282 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2286 if (copy_to_user(argp, &val16, sizeof(val16)))
2289 case SONYPI_IOCGBATFLAGS:
2290 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2295 if (copy_to_user(argp, &val8, sizeof(val8)))
2298 case SONYPI_IOCGBLUE:
2299 val8 = spic_dev.bluetooth_power;
2300 if (copy_to_user(argp, &val8, sizeof(val8)))
2303 case SONYPI_IOCSBLUE:
2304 if (copy_from_user(&val8, argp, sizeof(val8))) {
2308 __sony_pic_set_bluetoothpower(val8);
2311 case SONYPI_IOCGFAN:
2312 if (sony_pic_get_fanspeed(&val8)) {
2316 if (copy_to_user(argp, &val8, sizeof(val8)))
2319 case SONYPI_IOCSFAN:
2320 if (copy_from_user(&val8, argp, sizeof(val8))) {
2324 if (sony_pic_set_fanspeed(val8))
2327 /* GET Temperature (useful under APM) */
2328 case SONYPI_IOCGTEMP:
2329 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2333 if (copy_to_user(argp, &val8, sizeof(val8)))
2339 mutex_unlock(&spic_dev.lock);
2343 static const struct file_operations sonypi_misc_fops = {
2344 .owner = THIS_MODULE,
2345 .read = sonypi_misc_read,
2346 .poll = sonypi_misc_poll,
2347 .open = sonypi_misc_open,
2348 .release = sonypi_misc_release,
2349 .fasync = sonypi_misc_fasync,
2350 .unlocked_ioctl = sonypi_misc_ioctl,
2353 static struct miscdevice sonypi_misc_device = {
2354 .minor = MISC_DYNAMIC_MINOR,
2356 .fops = &sonypi_misc_fops,
2359 static void sonypi_compat_report_event(u8 event)
2361 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2362 sizeof(event), &sonypi_compat.fifo_lock);
2363 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2364 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2367 static int sonypi_compat_init(void)
2371 spin_lock_init(&sonypi_compat.fifo_lock);
2373 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2375 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2379 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2382 sonypi_misc_device.minor = minor;
2383 error = misc_register(&sonypi_misc_device);
2385 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2386 goto err_free_kfifo;
2389 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2390 sonypi_misc_device.minor);
2395 kfifo_free(&sonypi_compat.fifo);
2399 static void sonypi_compat_exit(void)
2401 misc_deregister(&sonypi_misc_device);
2402 kfifo_free(&sonypi_compat.fifo);
2405 static int sonypi_compat_init(void) { return 0; }
2406 static void sonypi_compat_exit(void) { }
2407 static void sonypi_compat_report_event(u8 event) { }
2408 #endif /* CONFIG_SONYPI_COMPAT */
2414 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2417 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2419 switch (resource->type) {
2420 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2422 /* start IO enumeration */
2423 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2427 list_add(&ioport->list, &dev->ioports);
2431 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2432 /* end IO enumeration */
2435 case ACPI_RESOURCE_TYPE_IRQ:
2437 struct acpi_resource_irq *p = &resource->data.irq;
2438 struct sony_pic_irq *interrupt = NULL;
2439 if (!p || !p->interrupt_count) {
2441 * IRQ descriptors may have no IRQ# bits set,
2442 * particularly those those w/ _STA disabled
2444 dprintk("Blank IRQ resource\n");
2447 for (i = 0; i < p->interrupt_count; i++) {
2448 if (!p->interrupts[i]) {
2449 printk(KERN_WARNING DRV_PFX
2454 interrupt = kzalloc(sizeof(*interrupt),
2459 list_add(&interrupt->list, &dev->interrupts);
2460 interrupt->irq.triggering = p->triggering;
2461 interrupt->irq.polarity = p->polarity;
2462 interrupt->irq.sharable = p->sharable;
2463 interrupt->irq.interrupt_count = 1;
2464 interrupt->irq.interrupts[0] = p->interrupts[i];
2468 case ACPI_RESOURCE_TYPE_IO:
2470 struct acpi_resource_io *io = &resource->data.io;
2471 struct sony_pic_ioport *ioport =
2472 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2474 dprintk("Blank IO resource\n");
2478 if (!ioport->io1.minimum) {
2479 memcpy(&ioport->io1, io, sizeof(*io));
2480 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2481 ioport->io1.address_length);
2483 else if (!ioport->io2.minimum) {
2484 memcpy(&ioport->io2, io, sizeof(*io));
2485 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2486 ioport->io2.address_length);
2489 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2495 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2498 case ACPI_RESOURCE_TYPE_END_TAG:
2501 return AE_CTRL_TERMINATE;
2504 static int sony_pic_possible_resources(struct acpi_device *device)
2507 acpi_status status = AE_OK;
2512 /* get device status */
2513 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2514 dprintk("Evaluating _STA\n");
2515 result = acpi_bus_get_status(device);
2517 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2521 if (!device->status.enabled)
2522 dprintk("Device disabled\n");
2524 dprintk("Device enabled\n");
2527 * Query and parse 'method'
2529 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2530 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2531 sony_pic_read_possible_resource, &spic_dev);
2532 if (ACPI_FAILURE(status)) {
2533 printk(KERN_WARNING DRV_PFX
2534 "Failure evaluating %s\n",
2543 * Disable the spic device by calling its _DIS method
2545 static int sony_pic_disable(struct acpi_device *device)
2547 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2550 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2553 dprintk("Device disabled\n");
2559 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2561 * Call _SRS to set current resources
2563 static int sony_pic_enable(struct acpi_device *device,
2564 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2568 /* Type 1 resource layout is:
2574 * Type 2 and 3 resource layout is:
2580 struct acpi_resource res1;
2581 struct acpi_resource res2;
2582 struct acpi_resource res3;
2583 struct acpi_resource res4;
2585 struct acpi_buffer buffer = { 0, NULL };
2587 if (!ioport || !irq)
2590 /* init acpi_buffer */
2591 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2595 buffer.length = sizeof(*resource) + 1;
2596 buffer.pointer = resource;
2598 /* setup Type 1 resources */
2599 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2601 /* setup io resources */
2602 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2603 resource->res1.length = sizeof(struct acpi_resource);
2604 memcpy(&resource->res1.data.io, &ioport->io1,
2605 sizeof(struct acpi_resource_io));
2607 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2608 resource->res2.length = sizeof(struct acpi_resource);
2609 memcpy(&resource->res2.data.io, &ioport->io2,
2610 sizeof(struct acpi_resource_io));
2612 /* setup irq resource */
2613 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2614 resource->res3.length = sizeof(struct acpi_resource);
2615 memcpy(&resource->res3.data.irq, &irq->irq,
2616 sizeof(struct acpi_resource_irq));
2617 /* we requested a shared irq */
2618 resource->res3.data.irq.sharable = ACPI_SHARED;
2620 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2623 /* setup Type 2/3 resources */
2625 /* setup io resource */
2626 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2627 resource->res1.length = sizeof(struct acpi_resource);
2628 memcpy(&resource->res1.data.io, &ioport->io1,
2629 sizeof(struct acpi_resource_io));
2631 /* setup irq resource */
2632 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2633 resource->res2.length = sizeof(struct acpi_resource);
2634 memcpy(&resource->res2.data.irq, &irq->irq,
2635 sizeof(struct acpi_resource_irq));
2636 /* we requested a shared irq */
2637 resource->res2.data.irq.sharable = ACPI_SHARED;
2639 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2642 /* Attempt to set the resource */
2643 dprintk("Evaluating _SRS\n");
2644 status = acpi_set_current_resources(device->handle, &buffer);
2646 /* check for total failure */
2647 if (ACPI_FAILURE(status)) {
2648 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2653 /* Necessary device initializations calls (from sonypi) */
2654 sony_pic_call1(0x82);
2655 sony_pic_call2(0x81, 0xff);
2656 sony_pic_call1(compat ? 0x92 : 0x82);
2665 * ISR: some event is available
2668 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2673 u8 device_event = 0;
2675 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2677 ev = inb_p(dev->cur_ioport->io1.minimum);
2678 if (dev->cur_ioport->io2.minimum)
2679 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2681 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2682 dev->evport_offset);
2684 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2685 ev, data_mask, dev->cur_ioport->io1.minimum,
2686 dev->evport_offset);
2688 if (ev == 0x00 || ev == 0xff)
2691 for (i = 0; dev->event_types[i].mask; i++) {
2693 if ((data_mask & dev->event_types[i].data) !=
2694 dev->event_types[i].data)
2697 if (!(mask & dev->event_types[i].mask))
2700 for (j = 0; dev->event_types[i].events[j].event; j++) {
2701 if (ev == dev->event_types[i].events[j].data) {
2703 dev->event_types[i].events[j].event;
2708 /* Still not able to decode the event try to pass
2709 * it over to the minidriver
2711 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2714 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2715 ev, data_mask, dev->cur_ioport->io1.minimum,
2716 dev->evport_offset);
2720 sony_laptop_report_input_event(device_event);
2721 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2722 sonypi_compat_report_event(device_event);
2732 static int sony_pic_remove(struct acpi_device *device, int type)
2734 struct sony_pic_ioport *io, *tmp_io;
2735 struct sony_pic_irq *irq, *tmp_irq;
2737 if (sony_pic_disable(device)) {
2738 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2742 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2743 release_region(spic_dev.cur_ioport->io1.minimum,
2744 spic_dev.cur_ioport->io1.address_length);
2745 if (spic_dev.cur_ioport->io2.minimum)
2746 release_region(spic_dev.cur_ioport->io2.minimum,
2747 spic_dev.cur_ioport->io2.address_length);
2749 sonypi_compat_exit();
2751 sony_laptop_remove_input();
2754 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2757 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2758 list_del(&io->list);
2761 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2762 list_del(&irq->list);
2765 spic_dev.cur_ioport = NULL;
2766 spic_dev.cur_irq = NULL;
2768 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2772 static int sony_pic_add(struct acpi_device *device)
2775 struct sony_pic_ioport *io, *tmp_io;
2776 struct sony_pic_irq *irq, *tmp_irq;
2778 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2779 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2781 spic_dev.acpi_dev = device;
2782 strcpy(acpi_device_class(device), "sony/hotkey");
2783 sony_pic_detect_device_type(&spic_dev);
2784 mutex_init(&spic_dev.lock);
2786 /* read _PRS resources */
2787 result = sony_pic_possible_resources(device);
2789 printk(KERN_ERR DRV_PFX
2790 "Unable to read possible resources.\n");
2791 goto err_free_resources;
2794 /* setup input devices and helper fifo */
2795 result = sony_laptop_setup_input(device);
2797 printk(KERN_ERR DRV_PFX
2798 "Unable to create input devices.\n");
2799 goto err_free_resources;
2802 if (sonypi_compat_init())
2803 goto err_remove_input;
2805 /* request io port */
2806 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2807 if (request_region(io->io1.minimum, io->io1.address_length,
2808 "Sony Programable I/O Device")) {
2809 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2810 io->io1.minimum, io->io1.maximum,
2811 io->io1.address_length);
2812 /* Type 1 have 2 ioports */
2813 if (io->io2.minimum) {
2814 if (request_region(io->io2.minimum,
2815 io->io2.address_length,
2816 "Sony Programable I/O Device")) {
2817 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2818 io->io2.minimum, io->io2.maximum,
2819 io->io2.address_length);
2820 spic_dev.cur_ioport = io;
2824 dprintk("Unable to get I/O port2: "
2825 "0x%.4x (0x%.4x) + 0x%.2x\n",
2826 io->io2.minimum, io->io2.maximum,
2827 io->io2.address_length);
2828 release_region(io->io1.minimum,
2829 io->io1.address_length);
2833 spic_dev.cur_ioport = io;
2838 if (!spic_dev.cur_ioport) {
2839 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2841 goto err_remove_compat;
2845 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2846 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2847 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2848 dprintk("IRQ: %d - triggering: %d - "
2849 "polarity: %d - shr: %d\n",
2850 irq->irq.interrupts[0],
2851 irq->irq.triggering,
2854 spic_dev.cur_irq = irq;
2858 if (!spic_dev.cur_irq) {
2859 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2861 goto err_release_region;
2864 /* set resource status _SRS */
2865 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2867 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2871 spic_dev.bluetooth_power = -1;
2872 /* create device attributes */
2873 result = sony_pf_add();
2875 goto err_disable_device;
2877 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2887 sony_pic_disable(device);
2890 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2893 release_region(spic_dev.cur_ioport->io1.minimum,
2894 spic_dev.cur_ioport->io1.address_length);
2895 if (spic_dev.cur_ioport->io2.minimum)
2896 release_region(spic_dev.cur_ioport->io2.minimum,
2897 spic_dev.cur_ioport->io2.address_length);
2900 sonypi_compat_exit();
2903 sony_laptop_remove_input();
2906 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2907 list_del(&io->list);
2910 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2911 list_del(&irq->list);
2914 spic_dev.cur_ioport = NULL;
2915 spic_dev.cur_irq = NULL;
2920 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2922 if (sony_pic_disable(device))
2927 static int sony_pic_resume(struct acpi_device *device)
2929 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2933 static const struct acpi_device_id sony_pic_device_ids[] = {
2938 static struct acpi_driver sony_pic_driver = {
2939 .name = SONY_PIC_DRIVER_NAME,
2940 .class = SONY_PIC_CLASS,
2941 .ids = sony_pic_device_ids,
2942 .owner = THIS_MODULE,
2944 .add = sony_pic_add,
2945 .remove = sony_pic_remove,
2946 .suspend = sony_pic_suspend,
2947 .resume = sony_pic_resume,
2951 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2953 .ident = "Sony Vaio",
2955 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2956 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2960 .ident = "Sony Vaio",
2962 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2963 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2969 static int __init sony_laptop_init(void)
2973 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2974 result = acpi_bus_register_driver(&sony_pic_driver);
2976 printk(KERN_ERR DRV_PFX
2977 "Unable to register SPIC driver.");
2980 spic_drv_registered = 1;
2983 result = acpi_bus_register_driver(&sony_nc_driver);
2985 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2986 goto out_unregister_pic;
2992 if (spic_drv_registered)
2993 acpi_bus_unregister_driver(&sony_pic_driver);
2998 static void __exit sony_laptop_exit(void)
3000 acpi_bus_unregister_driver(&sony_nc_driver);
3001 if (spic_drv_registered)
3002 acpi_bus_unregister_driver(&sony_pic_driver);
3005 module_init(sony_laptop_init);
3006 module_exit(sony_laptop_exit);