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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127 SONY_WIFI,
128 SONY_BLUETOOTH,
129 SONY_WWAN,
130 SONY_WIMAX,
131 N_SONY_RFKILL,
132 };
133
134 static 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);
137
138 /*********** Input Devices ***********/
139
140 #define SONY_LAPTOP_BUF_SIZE 128
141 struct sony_laptop_input_s {
142 atomic_t users;
143 struct input_dev *jog_dev;
144 struct input_dev *key_dev;
145 struct kfifo *fifo;
146 spinlock_t fifo_lock;
147 struct workqueue_struct *wq;
148 };
149
150 static struct sony_laptop_input_s sony_laptop_input = {
151 .users = ATOMIC_INIT(0),
152 };
153
154 struct sony_laptop_keypress {
155 struct input_dev *dev;
156 int key;
157 };
158
159 /* Correspondance table between sonypi events
160 * and input layer indexes in the keymap
161 */
162 static int sony_laptop_input_index[] = {
163 -1, /* 0 no event */
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 };
236
237 static int sony_laptop_input_keycode_map[] = {
238 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
239 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
240 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
241 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
242 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
243 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
244 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
245 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
246 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
247 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
248 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
249 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
250 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
251 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
252 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
253 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
254 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
255 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
256 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
257 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
258 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
259 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
260 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
261 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
262 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
263 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
264 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
265 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
266 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
267 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
268 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
269 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
270 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
271 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
272 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
273 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
274 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
275 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
276 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
277 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
278 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
279 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
280 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
281 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
282 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
283 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
284 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
285 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
286 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
287 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
288 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
290 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
291 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
292 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
293 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
294 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
295 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 };
297
298 /* release buttons after a short delay if pressed */
299 static void do_sony_laptop_release_key(struct work_struct *work)
300 {
301 struct sony_laptop_keypress kp;
302
303 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
304 sizeof(kp)) == sizeof(kp)) {
305 msleep(10);
306 input_report_key(kp.dev, kp.key, 0);
307 input_sync(kp.dev);
308 }
309 }
310 static DECLARE_WORK(sony_laptop_release_key_work,
311 do_sony_laptop_release_key);
312
313 /* forward event to the input subsystem */
314 static void sony_laptop_report_input_event(u8 event)
315 {
316 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
317 struct input_dev *key_dev = sony_laptop_input.key_dev;
318 struct sony_laptop_keypress kp = { NULL };
319
320 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
321 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
322 /* Nothing, not all VAIOs generate this event */
323 return;
324 }
325
326 /* report events */
327 switch (event) {
328 /* jog_dev events */
329 case SONYPI_EVENT_JOGDIAL_UP:
330 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
331 input_report_rel(jog_dev, REL_WHEEL, 1);
332 input_sync(jog_dev);
333 return;
334
335 case SONYPI_EVENT_JOGDIAL_DOWN:
336 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
337 input_report_rel(jog_dev, REL_WHEEL, -1);
338 input_sync(jog_dev);
339 return;
340
341 /* key_dev events */
342 case SONYPI_EVENT_JOGDIAL_PRESSED:
343 kp.key = BTN_MIDDLE;
344 kp.dev = jog_dev;
345 break;
346
347 default:
348 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
349 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
350 break;
351 }
352 if (sony_laptop_input_index[event] != -1) {
353 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
354 if (kp.key != KEY_UNKNOWN)
355 kp.dev = key_dev;
356 }
357 break;
358 }
359
360 if (kp.dev) {
361 input_report_key(kp.dev, kp.key, 1);
362 /* we emit the scancode so we can always remap the key */
363 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
364 input_sync(kp.dev);
365 kfifo_put(sony_laptop_input.fifo,
366 (unsigned char *)&kp, sizeof(kp));
367
368 if (!work_pending(&sony_laptop_release_key_work))
369 queue_work(sony_laptop_input.wq,
370 &sony_laptop_release_key_work);
371 } else
372 dprintk("unknown input event %.2x\n", event);
373 }
374
375 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
376 {
377 struct input_dev *jog_dev;
378 struct input_dev *key_dev;
379 int i;
380 int error;
381
382 /* don't run again if already initialized */
383 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
384 return 0;
385
386 /* kfifo */
387 spin_lock_init(&sony_laptop_input.fifo_lock);
388 sony_laptop_input.fifo =
389 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
390 &sony_laptop_input.fifo_lock);
391 if (IS_ERR(sony_laptop_input.fifo)) {
392 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
393 error = PTR_ERR(sony_laptop_input.fifo);
394 goto err_dec_users;
395 }
396
397 /* init workqueue */
398 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
399 if (!sony_laptop_input.wq) {
400 printk(KERN_ERR DRV_PFX
401 "Unable to create workqueue.\n");
402 error = -ENXIO;
403 goto err_free_kfifo;
404 }
405
406 /* input keys */
407 key_dev = input_allocate_device();
408 if (!key_dev) {
409 error = -ENOMEM;
410 goto err_destroy_wq;
411 }
412
413 key_dev->name = "Sony Vaio Keys";
414 key_dev->id.bustype = BUS_ISA;
415 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
416 key_dev->dev.parent = &acpi_device->dev;
417
418 /* Initialize the Input Drivers: special keys */
419 set_bit(EV_KEY, key_dev->evbit);
420 set_bit(EV_MSC, key_dev->evbit);
421 set_bit(MSC_SCAN, key_dev->mscbit);
422 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
423 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
424 key_dev->keycode = &sony_laptop_input_keycode_map;
425 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
426 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
427 set_bit(sony_laptop_input_keycode_map[i],
428 key_dev->keybit);
429 }
430 }
431
432 error = input_register_device(key_dev);
433 if (error)
434 goto err_free_keydev;
435
436 sony_laptop_input.key_dev = key_dev;
437
438 /* jogdial */
439 jog_dev = input_allocate_device();
440 if (!jog_dev) {
441 error = -ENOMEM;
442 goto err_unregister_keydev;
443 }
444
445 jog_dev->name = "Sony Vaio Jogdial";
446 jog_dev->id.bustype = BUS_ISA;
447 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
448 key_dev->dev.parent = &acpi_device->dev;
449
450 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
451 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
452 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
453
454 error = input_register_device(jog_dev);
455 if (error)
456 goto err_free_jogdev;
457
458 sony_laptop_input.jog_dev = jog_dev;
459
460 return 0;
461
462 err_free_jogdev:
463 input_free_device(jog_dev);
464
465 err_unregister_keydev:
466 input_unregister_device(key_dev);
467 /* to avoid kref underflow below at input_free_device */
468 key_dev = NULL;
469
470 err_free_keydev:
471 input_free_device(key_dev);
472
473 err_destroy_wq:
474 destroy_workqueue(sony_laptop_input.wq);
475
476 err_free_kfifo:
477 kfifo_free(sony_laptop_input.fifo);
478
479 err_dec_users:
480 atomic_dec(&sony_laptop_input.users);
481 return error;
482 }
483
484 static void sony_laptop_remove_input(void)
485 {
486 /* cleanup only after the last user has gone */
487 if (!atomic_dec_and_test(&sony_laptop_input.users))
488 return;
489
490 /* flush workqueue first */
491 flush_workqueue(sony_laptop_input.wq);
492
493 /* destroy input devs */
494 input_unregister_device(sony_laptop_input.key_dev);
495 sony_laptop_input.key_dev = NULL;
496
497 if (sony_laptop_input.jog_dev) {
498 input_unregister_device(sony_laptop_input.jog_dev);
499 sony_laptop_input.jog_dev = NULL;
500 }
501
502 destroy_workqueue(sony_laptop_input.wq);
503 kfifo_free(sony_laptop_input.fifo);
504 }
505
506 /*********** Platform Device ***********/
507
508 static atomic_t sony_pf_users = ATOMIC_INIT(0);
509 static struct platform_driver sony_pf_driver = {
510 .driver = {
511 .name = "sony-laptop",
512 .owner = THIS_MODULE,
513 }
514 };
515 static struct platform_device *sony_pf_device;
516
517 static int sony_pf_add(void)
518 {
519 int ret = 0;
520
521 /* don't run again if already initialized */
522 if (atomic_add_return(1, &sony_pf_users) > 1)
523 return 0;
524
525 ret = platform_driver_register(&sony_pf_driver);
526 if (ret)
527 goto out;
528
529 sony_pf_device = platform_device_alloc("sony-laptop", -1);
530 if (!sony_pf_device) {
531 ret = -ENOMEM;
532 goto out_platform_registered;
533 }
534
535 ret = platform_device_add(sony_pf_device);
536 if (ret)
537 goto out_platform_alloced;
538
539 return 0;
540
541 out_platform_alloced:
542 platform_device_put(sony_pf_device);
543 sony_pf_device = NULL;
544 out_platform_registered:
545 platform_driver_unregister(&sony_pf_driver);
546 out:
547 atomic_dec(&sony_pf_users);
548 return ret;
549 }
550
551 static void sony_pf_remove(void)
552 {
553 /* deregister only after the last user has gone */
554 if (!atomic_dec_and_test(&sony_pf_users))
555 return;
556
557 platform_device_del(sony_pf_device);
558 platform_device_put(sony_pf_device);
559 platform_driver_unregister(&sony_pf_driver);
560 }
561
562 /*********** SNC (SNY5001) Device ***********/
563
564 /* the device uses 1-based values, while the backlight subsystem uses
565 0-based values */
566 #define SONY_MAX_BRIGHTNESS 8
567
568 #define SNC_VALIDATE_IN 0
569 #define SNC_VALIDATE_OUT 1
570
571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
572 char *);
573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
574 const char *, size_t);
575 static int boolean_validate(const int, const int);
576 static int brightness_default_validate(const int, const int);
577
578 struct sony_nc_value {
579 char *name; /* name of the entry */
580 char **acpiget; /* names of the ACPI get function */
581 char **acpiset; /* names of the ACPI set function */
582 int (*validate)(const int, const int); /* input/output validation */
583 int value; /* current setting */
584 int valid; /* Has ever been set */
585 int debug; /* active only in debug mode ? */
586 struct device_attribute devattr; /* sysfs atribute */
587 };
588
589 #define SNC_HANDLE_NAMES(_name, _values...) \
590 static char *snc_##_name[] = { _values, NULL }
591
592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
593 { \
594 .name = __stringify(_name), \
595 .acpiget = _getters, \
596 .acpiset = _setters, \
597 .validate = _validate, \
598 .debug = _debug, \
599 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
600 }
601
602 #define SNC_HANDLE_NULL { .name = NULL }
603
604 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
605
606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
608
609 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
611
612 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
613 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
614
615 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
616 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
617
618 SNC_HANDLE_NAMES(lidstate_get, "GLID");
619
620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
622
623 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
624 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
625
626 SNC_HANDLE_NAMES(PID_get, "GPID");
627
628 SNC_HANDLE_NAMES(CTR_get, "GCTR");
629 SNC_HANDLE_NAMES(CTR_set, "SCTR");
630
631 SNC_HANDLE_NAMES(PCR_get, "GPCR");
632 SNC_HANDLE_NAMES(PCR_set, "SPCR");
633
634 SNC_HANDLE_NAMES(CMI_get, "GCMI");
635 SNC_HANDLE_NAMES(CMI_set, "SCMI");
636
637 static struct sony_nc_value sony_nc_values[] = {
638 SNC_HANDLE(brightness_default, snc_brightness_def_get,
639 snc_brightness_def_set, brightness_default_validate, 0),
640 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
641 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
642 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
643 boolean_validate, 0),
644 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
645 boolean_validate, 1),
646 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
647 boolean_validate, 0),
648 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
649 boolean_validate, 0),
650 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
651 boolean_validate, 0),
652 /* unknown methods */
653 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
654 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
655 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
656 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
657 SNC_HANDLE_NULL
658 };
659
660 static acpi_handle sony_nc_acpi_handle;
661 static struct acpi_device *sony_nc_acpi_device = NULL;
662
663 /*
664 * acpi_evaluate_object wrappers
665 */
666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
667 {
668 struct acpi_buffer output;
669 union acpi_object out_obj;
670 acpi_status status;
671
672 output.length = sizeof(out_obj);
673 output.pointer = &out_obj;
674
675 status = acpi_evaluate_object(handle, name, NULL, &output);
676 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
677 *result = out_obj.integer.value;
678 return 0;
679 }
680
681 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
682
683 return -1;
684 }
685
686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
687 int *result)
688 {
689 struct acpi_object_list params;
690 union acpi_object in_obj;
691 struct acpi_buffer output;
692 union acpi_object out_obj;
693 acpi_status status;
694
695 params.count = 1;
696 params.pointer = &in_obj;
697 in_obj.type = ACPI_TYPE_INTEGER;
698 in_obj.integer.value = value;
699
700 output.length = sizeof(out_obj);
701 output.pointer = &out_obj;
702
703 status = acpi_evaluate_object(handle, name, &params, &output);
704 if (status == AE_OK) {
705 if (result != NULL) {
706 if (out_obj.type != ACPI_TYPE_INTEGER) {
707 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
708 "return type\n");
709 return -1;
710 }
711 *result = out_obj.integer.value;
712 }
713 return 0;
714 }
715
716 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
717
718 return -1;
719 }
720
721 static int sony_find_snc_handle(int handle)
722 {
723 int i;
724 int result;
725
726 for (i = 0x20; i < 0x30; i++) {
727 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
728 if (result == handle)
729 return i-0x20;
730 }
731
732 return -1;
733 }
734
735 static int sony_call_snc_handle(int handle, int argument, int *result)
736 {
737 int offset = sony_find_snc_handle(handle);
738
739 if (offset < 0)
740 return -1;
741
742 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
743 result);
744 }
745
746 /*
747 * sony_nc_values input/output validate functions
748 */
749
750 /* brightness_default_validate:
751 *
752 * manipulate input output values to keep consistency with the
753 * backlight framework for which brightness values are 0-based.
754 */
755 static int brightness_default_validate(const int direction, const int value)
756 {
757 switch (direction) {
758 case SNC_VALIDATE_OUT:
759 return value - 1;
760 case SNC_VALIDATE_IN:
761 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
762 return value + 1;
763 }
764 return -EINVAL;
765 }
766
767 /* boolean_validate:
768 *
769 * on input validate boolean values 0/1, on output just pass the
770 * received value.
771 */
772 static int boolean_validate(const int direction, const int value)
773 {
774 if (direction == SNC_VALIDATE_IN) {
775 if (value != 0 && value != 1)
776 return -EINVAL;
777 }
778 return value;
779 }
780
781 /*
782 * Sysfs show/store common to all sony_nc_values
783 */
784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
785 char *buffer)
786 {
787 int value;
788 struct sony_nc_value *item =
789 container_of(attr, struct sony_nc_value, devattr);
790
791 if (!*item->acpiget)
792 return -EIO;
793
794 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
795 return -EIO;
796
797 if (item->validate)
798 value = item->validate(SNC_VALIDATE_OUT, value);
799
800 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
801 }
802
803 static ssize_t sony_nc_sysfs_store(struct device *dev,
804 struct device_attribute *attr,
805 const char *buffer, size_t count)
806 {
807 int value;
808 struct sony_nc_value *item =
809 container_of(attr, struct sony_nc_value, devattr);
810
811 if (!item->acpiset)
812 return -EIO;
813
814 if (count > 31)
815 return -EINVAL;
816
817 value = simple_strtoul(buffer, NULL, 10);
818
819 if (item->validate)
820 value = item->validate(SNC_VALIDATE_IN, value);
821
822 if (value < 0)
823 return value;
824
825 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
826 return -EIO;
827 item->value = value;
828 item->valid = 1;
829 return count;
830 }
831
832
833 /*
834 * Backlight device
835 */
836 static int sony_backlight_update_status(struct backlight_device *bd)
837 {
838 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
839 bd->props.brightness + 1, NULL);
840 }
841
842 static int sony_backlight_get_brightness(struct backlight_device *bd)
843 {
844 int value;
845
846 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
847 return 0;
848 /* brightness levels are 1-based, while backlight ones are 0-based */
849 return value - 1;
850 }
851
852 static struct backlight_device *sony_backlight_device;
853 static struct backlight_ops sony_backlight_ops = {
854 .update_status = sony_backlight_update_status,
855 .get_brightness = sony_backlight_get_brightness,
856 };
857
858 /*
859 * New SNC-only Vaios event mapping to driver known keys
860 */
861 struct sony_nc_event {
862 u8 data;
863 u8 event;
864 };
865
866 static struct sony_nc_event sony_100_events[] = {
867 { 0x90, SONYPI_EVENT_PKEY_P1 },
868 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
869 { 0x91, SONYPI_EVENT_PKEY_P2 },
870 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
871 { 0x81, SONYPI_EVENT_FNKEY_F1 },
872 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
873 { 0x82, SONYPI_EVENT_FNKEY_F2 },
874 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
875 { 0x83, SONYPI_EVENT_FNKEY_F3 },
876 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
877 { 0x84, SONYPI_EVENT_FNKEY_F4 },
878 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
879 { 0x85, SONYPI_EVENT_FNKEY_F5 },
880 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
881 { 0x86, SONYPI_EVENT_FNKEY_F6 },
882 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
883 { 0x87, SONYPI_EVENT_FNKEY_F7 },
884 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
885 { 0x89, SONYPI_EVENT_FNKEY_F9 },
886 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
887 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
888 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
889 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
890 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
891 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
892 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
893 { 0, 0 },
894 };
895
896 static struct sony_nc_event sony_127_events[] = {
897 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
898 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
899 { 0x82, SONYPI_EVENT_PKEY_P1 },
900 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
901 { 0x83, SONYPI_EVENT_PKEY_P2 },
902 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
903 { 0x84, SONYPI_EVENT_PKEY_P3 },
904 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
905 { 0x85, SONYPI_EVENT_PKEY_P4 },
906 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
907 { 0x86, SONYPI_EVENT_PKEY_P5 },
908 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
909 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
910 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
911 { 0, 0 },
912 };
913
914 /*
915 * ACPI callbacks
916 */
917 static void sony_nc_notify(struct acpi_device *device, u32 event)
918 {
919 u32 ev = event;
920
921 if (ev >= 0x90) {
922 /* New-style event */
923 int result;
924 int key_handle = 0;
925 ev -= 0x90;
926
927 if (sony_find_snc_handle(0x100) == ev)
928 key_handle = 0x100;
929 if (sony_find_snc_handle(0x127) == ev)
930 key_handle = 0x127;
931
932 if (key_handle) {
933 struct sony_nc_event *key_event;
934
935 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
936 dprintk("sony_nc_notify, unable to decode"
937 " event 0x%.2x 0x%.2x\n", key_handle,
938 ev);
939 /* restore the original event */
940 ev = event;
941 } else {
942 ev = result & 0xFF;
943
944 if (key_handle == 0x100)
945 key_event = sony_100_events;
946 else
947 key_event = sony_127_events;
948
949 for (; key_event->data; key_event++) {
950 if (key_event->data == ev) {
951 ev = key_event->event;
952 break;
953 }
954 }
955
956 if (!key_event->data)
957 printk(KERN_INFO DRV_PFX
958 "Unknown event: 0x%x 0x%x\n",
959 key_handle,
960 ev);
961 else
962 sony_laptop_report_input_event(ev);
963 }
964 } else if (sony_find_snc_handle(0x124) == ev) {
965 sony_nc_rfkill_update();
966 return;
967 }
968 } else
969 sony_laptop_report_input_event(ev);
970
971 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
972 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
973 }
974
975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
976 void *context, void **return_value)
977 {
978 struct acpi_device_info *info;
979
980 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
981 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
982 (char *)&info->name, info->param_count);
983
984 kfree(info);
985 }
986
987 return AE_OK;
988 }
989
990 /*
991 * ACPI device
992 */
993 static int sony_nc_function_setup(struct acpi_device *device)
994 {
995 int result;
996
997 /* Enable all events */
998 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
999
1000 /* Setup hotkeys */
1001 sony_call_snc_handle(0x0100, 0, &result);
1002 sony_call_snc_handle(0x0101, 0, &result);
1003 sony_call_snc_handle(0x0102, 0x100, &result);
1004 sony_call_snc_handle(0x0127, 0, &result);
1005
1006 return 0;
1007 }
1008
1009 static int sony_nc_resume(struct acpi_device *device)
1010 {
1011 struct sony_nc_value *item;
1012 acpi_handle handle;
1013
1014 for (item = sony_nc_values; item->name; item++) {
1015 int ret;
1016
1017 if (!item->valid)
1018 continue;
1019 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1020 item->value, NULL);
1021 if (ret < 0) {
1022 printk("%s: %d\n", __func__, ret);
1023 break;
1024 }
1025 }
1026
1027 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1028 &handle))) {
1029 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1030 dprintk("ECON Method failed\n");
1031 }
1032
1033 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1034 &handle))) {
1035 dprintk("Doing SNC setup\n");
1036 sony_nc_function_setup(device);
1037 }
1038
1039 /* set the last requested brightness level */
1040 if (sony_backlight_device &&
1041 sony_backlight_update_status(sony_backlight_device) < 0)
1042 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1043
1044 /* re-read rfkill state */
1045 sony_nc_rfkill_update();
1046
1047 return 0;
1048 }
1049
1050 static void sony_nc_rfkill_cleanup(void)
1051 {
1052 int i;
1053
1054 for (i = 0; i < N_SONY_RFKILL; i++) {
1055 if (sony_rfkill_devices[i]) {
1056 rfkill_unregister(sony_rfkill_devices[i]);
1057 rfkill_destroy(sony_rfkill_devices[i]);
1058 }
1059 }
1060 }
1061
1062 static int sony_nc_rfkill_set(void *data, bool blocked)
1063 {
1064 int result;
1065 int argument = sony_rfkill_address[(long) data] + 0x100;
1066
1067 if (!blocked)
1068 argument |= 0xff0000;
1069
1070 return sony_call_snc_handle(0x124, argument, &result);
1071 }
1072
1073 static const struct rfkill_ops sony_rfkill_ops = {
1074 .set_block = sony_nc_rfkill_set,
1075 };
1076
1077 static int sony_nc_setup_rfkill(struct acpi_device *device,
1078 enum sony_nc_rfkill nc_type)
1079 {
1080 int err = 0;
1081 struct rfkill *rfk;
1082 enum rfkill_type type;
1083 const char *name;
1084 int result;
1085 bool hwblock;
1086
1087 switch (nc_type) {
1088 case SONY_WIFI:
1089 type = RFKILL_TYPE_WLAN;
1090 name = "sony-wifi";
1091 break;
1092 case SONY_BLUETOOTH:
1093 type = RFKILL_TYPE_BLUETOOTH;
1094 name = "sony-bluetooth";
1095 break;
1096 case SONY_WWAN:
1097 type = RFKILL_TYPE_WWAN;
1098 name = "sony-wwan";
1099 break;
1100 case SONY_WIMAX:
1101 type = RFKILL_TYPE_WIMAX;
1102 name = "sony-wimax";
1103 break;
1104 default:
1105 return -EINVAL;
1106 }
1107
1108 rfk = rfkill_alloc(name, &device->dev, type,
1109 &sony_rfkill_ops, (void *)nc_type);
1110 if (!rfk)
1111 return -ENOMEM;
1112
1113 sony_call_snc_handle(0x124, 0x200, &result);
1114 hwblock = !(result & 0x1);
1115 rfkill_set_hw_state(rfk, hwblock);
1116
1117 err = rfkill_register(rfk);
1118 if (err) {
1119 rfkill_destroy(rfk);
1120 return err;
1121 }
1122 sony_rfkill_devices[nc_type] = rfk;
1123 return err;
1124 }
1125
1126 static void sony_nc_rfkill_update()
1127 {
1128 enum sony_nc_rfkill i;
1129 int result;
1130 bool hwblock;
1131
1132 sony_call_snc_handle(0x124, 0x200, &result);
1133 hwblock = !(result & 0x1);
1134
1135 for (i = 0; i < N_SONY_RFKILL; i++) {
1136 int argument = sony_rfkill_address[i];
1137
1138 if (!sony_rfkill_devices[i])
1139 continue;
1140
1141 if (hwblock) {
1142 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1143 /* we already know we're blocked */
1144 }
1145 continue;
1146 }
1147
1148 sony_call_snc_handle(0x124, argument, &result);
1149 rfkill_set_states(sony_rfkill_devices[i],
1150 !(result & 0xf), false);
1151 }
1152 }
1153
1154 static int sony_nc_rfkill_setup(struct acpi_device *device)
1155 {
1156 int result, ret;
1157
1158 if (sony_find_snc_handle(0x124) == -1)
1159 return -1;
1160
1161 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1162 if (ret) {
1163 printk(KERN_INFO DRV_PFX
1164 "Unable to enumerate rfkill devices: %x\n", ret);
1165 return ret;
1166 }
1167
1168 if (result & 0x1)
1169 sony_nc_setup_rfkill(device, SONY_WIFI);
1170 if (result & 0x2)
1171 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1172 if (result & 0x1c)
1173 sony_nc_setup_rfkill(device, SONY_WWAN);
1174 if (result & 0x20)
1175 sony_nc_setup_rfkill(device, SONY_WIMAX);
1176
1177 return 0;
1178 }
1179
1180 static int sony_nc_add(struct acpi_device *device)
1181 {
1182 acpi_status status;
1183 int result = 0;
1184 acpi_handle handle;
1185 struct sony_nc_value *item;
1186
1187 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1188 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1189
1190 sony_nc_acpi_device = device;
1191 strcpy(acpi_device_class(device), "sony/hotkey");
1192
1193 sony_nc_acpi_handle = device->handle;
1194
1195 /* read device status */
1196 result = acpi_bus_get_status(device);
1197 /* bail IFF the above call was successful and the device is not present */
1198 if (!result && !device->status.present) {
1199 dprintk("Device not present\n");
1200 result = -ENODEV;
1201 goto outwalk;
1202 }
1203
1204 if (debug) {
1205 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1206 1, sony_walk_callback, NULL, NULL);
1207 if (ACPI_FAILURE(status)) {
1208 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1209 result = -ENODEV;
1210 goto outwalk;
1211 }
1212 }
1213
1214 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1215 * should be respected as we already checked for the device presence above */
1216 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1217 dprintk("Invoking _INI\n");
1218 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1219 NULL, NULL)))
1220 dprintk("_INI Method failed\n");
1221 }
1222
1223 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1224 &handle))) {
1225 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1226 dprintk("ECON Method failed\n");
1227 }
1228
1229 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1230 &handle))) {
1231 dprintk("Doing SNC setup\n");
1232 sony_nc_function_setup(device);
1233 sony_nc_rfkill_setup(device);
1234 }
1235
1236 /* setup input devices and helper fifo */
1237 result = sony_laptop_setup_input(device);
1238 if (result) {
1239 printk(KERN_ERR DRV_PFX
1240 "Unable to create input devices.\n");
1241 goto outwalk;
1242 }
1243
1244 if (acpi_video_backlight_support()) {
1245 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1246 "controlled by ACPI video driver\n");
1247 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1248 &handle))) {
1249 sony_backlight_device = backlight_device_register("sony", NULL,
1250 NULL,
1251 &sony_backlight_ops);
1252
1253 if (IS_ERR(sony_backlight_device)) {
1254 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1255 sony_backlight_device = NULL;
1256 } else {
1257 sony_backlight_device->props.brightness =
1258 sony_backlight_get_brightness
1259 (sony_backlight_device);
1260 sony_backlight_device->props.max_brightness =
1261 SONY_MAX_BRIGHTNESS - 1;
1262 }
1263
1264 }
1265
1266 result = sony_pf_add();
1267 if (result)
1268 goto outbacklight;
1269
1270 /* create sony_pf sysfs attributes related to the SNC device */
1271 for (item = sony_nc_values; item->name; ++item) {
1272
1273 if (!debug && item->debug)
1274 continue;
1275
1276 /* find the available acpiget as described in the DSDT */
1277 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1278 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1279 *item->acpiget,
1280 &handle))) {
1281 dprintk("Found %s getter: %s\n",
1282 item->name, *item->acpiget);
1283 item->devattr.attr.mode |= S_IRUGO;
1284 break;
1285 }
1286 }
1287
1288 /* find the available acpiset as described in the DSDT */
1289 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1290 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1291 *item->acpiset,
1292 &handle))) {
1293 dprintk("Found %s setter: %s\n",
1294 item->name, *item->acpiset);
1295 item->devattr.attr.mode |= S_IWUSR;
1296 break;
1297 }
1298 }
1299
1300 if (item->devattr.attr.mode != 0) {
1301 result =
1302 device_create_file(&sony_pf_device->dev,
1303 &item->devattr);
1304 if (result)
1305 goto out_sysfs;
1306 }
1307 }
1308
1309 return 0;
1310
1311 out_sysfs:
1312 for (item = sony_nc_values; item->name; ++item) {
1313 device_remove_file(&sony_pf_device->dev, &item->devattr);
1314 }
1315 sony_pf_remove();
1316
1317 outbacklight:
1318 if (sony_backlight_device)
1319 backlight_device_unregister(sony_backlight_device);
1320
1321 sony_laptop_remove_input();
1322
1323 outwalk:
1324 sony_nc_rfkill_cleanup();
1325 return result;
1326 }
1327
1328 static int sony_nc_remove(struct acpi_device *device, int type)
1329 {
1330 struct sony_nc_value *item;
1331
1332 if (sony_backlight_device)
1333 backlight_device_unregister(sony_backlight_device);
1334
1335 sony_nc_acpi_device = NULL;
1336
1337 for (item = sony_nc_values; item->name; ++item) {
1338 device_remove_file(&sony_pf_device->dev, &item->devattr);
1339 }
1340
1341 sony_pf_remove();
1342 sony_laptop_remove_input();
1343 sony_nc_rfkill_cleanup();
1344 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1345
1346 return 0;
1347 }
1348
1349 static const struct acpi_device_id sony_device_ids[] = {
1350 {SONY_NC_HID, 0},
1351 {SONY_PIC_HID, 0},
1352 {"", 0},
1353 };
1354 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1355
1356 static const struct acpi_device_id sony_nc_device_ids[] = {
1357 {SONY_NC_HID, 0},
1358 {"", 0},
1359 };
1360
1361 static struct acpi_driver sony_nc_driver = {
1362 .name = SONY_NC_DRIVER_NAME,
1363 .class = SONY_NC_CLASS,
1364 .ids = sony_nc_device_ids,
1365 .owner = THIS_MODULE,
1366 .ops = {
1367 .add = sony_nc_add,
1368 .remove = sony_nc_remove,
1369 .resume = sony_nc_resume,
1370 .notify = sony_nc_notify,
1371 },
1372 };
1373
1374 /*********** SPIC (SNY6001) Device ***********/
1375
1376 #define SONYPI_DEVICE_TYPE1 0x00000001
1377 #define SONYPI_DEVICE_TYPE2 0x00000002
1378 #define SONYPI_DEVICE_TYPE3 0x00000004
1379 #define SONYPI_DEVICE_TYPE4 0x00000008
1380
1381 #define SONYPI_TYPE1_OFFSET 0x04
1382 #define SONYPI_TYPE2_OFFSET 0x12
1383 #define SONYPI_TYPE3_OFFSET 0x12
1384
1385 struct sony_pic_ioport {
1386 struct acpi_resource_io io1;
1387 struct acpi_resource_io io2;
1388 struct list_head list;
1389 };
1390
1391 struct sony_pic_irq {
1392 struct acpi_resource_irq irq;
1393 struct list_head list;
1394 };
1395
1396 struct sonypi_eventtypes {
1397 u8 data;
1398 unsigned long mask;
1399 struct sonypi_event *events;
1400 };
1401
1402 struct device_ctrl {
1403 int model;
1404 int (*handle_irq)(const u8, const u8);
1405 u16 evport_offset;
1406 u8 has_camera;
1407 u8 has_bluetooth;
1408 u8 has_wwan;
1409 struct sonypi_eventtypes *event_types;
1410 };
1411
1412 struct sony_pic_dev {
1413 struct device_ctrl *control;
1414 struct acpi_device *acpi_dev;
1415 struct sony_pic_irq *cur_irq;
1416 struct sony_pic_ioport *cur_ioport;
1417 struct list_head interrupts;
1418 struct list_head ioports;
1419 struct mutex lock;
1420 u8 camera_power;
1421 u8 bluetooth_power;
1422 u8 wwan_power;
1423 };
1424
1425 static struct sony_pic_dev spic_dev = {
1426 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1427 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1428 };
1429
1430 /* Event masks */
1431 #define SONYPI_JOGGER_MASK 0x00000001
1432 #define SONYPI_CAPTURE_MASK 0x00000002
1433 #define SONYPI_FNKEY_MASK 0x00000004
1434 #define SONYPI_BLUETOOTH_MASK 0x00000008
1435 #define SONYPI_PKEY_MASK 0x00000010
1436 #define SONYPI_BACK_MASK 0x00000020
1437 #define SONYPI_HELP_MASK 0x00000040
1438 #define SONYPI_LID_MASK 0x00000080
1439 #define SONYPI_ZOOM_MASK 0x00000100
1440 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1441 #define SONYPI_MEYE_MASK 0x00000400
1442 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1443 #define SONYPI_BATTERY_MASK 0x00001000
1444 #define SONYPI_WIRELESS_MASK 0x00002000
1445
1446 struct sonypi_event {
1447 u8 data;
1448 u8 event;
1449 };
1450
1451 /* The set of possible button release events */
1452 static struct sonypi_event sonypi_releaseev[] = {
1453 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1454 { 0, 0 }
1455 };
1456
1457 /* The set of possible jogger events */
1458 static struct sonypi_event sonypi_joggerev[] = {
1459 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1460 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1461 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1462 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1463 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1464 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1465 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1466 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1467 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1468 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1469 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1470 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1471 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1472 { 0, 0 }
1473 };
1474
1475 /* The set of possible capture button events */
1476 static struct sonypi_event sonypi_captureev[] = {
1477 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1478 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1479 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1480 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1481 { 0, 0 }
1482 };
1483
1484 /* The set of possible fnkeys events */
1485 static struct sonypi_event sonypi_fnkeyev[] = {
1486 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1487 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1488 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1489 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1490 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1491 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1492 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1493 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1494 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1495 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1496 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1497 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1498 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1499 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1500 { 0x21, SONYPI_EVENT_FNKEY_1 },
1501 { 0x22, SONYPI_EVENT_FNKEY_2 },
1502 { 0x31, SONYPI_EVENT_FNKEY_D },
1503 { 0x32, SONYPI_EVENT_FNKEY_E },
1504 { 0x33, SONYPI_EVENT_FNKEY_F },
1505 { 0x34, SONYPI_EVENT_FNKEY_S },
1506 { 0x35, SONYPI_EVENT_FNKEY_B },
1507 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1508 { 0, 0 }
1509 };
1510
1511 /* The set of possible program key events */
1512 static struct sonypi_event sonypi_pkeyev[] = {
1513 { 0x01, SONYPI_EVENT_PKEY_P1 },
1514 { 0x02, SONYPI_EVENT_PKEY_P2 },
1515 { 0x04, SONYPI_EVENT_PKEY_P3 },
1516 { 0x20, SONYPI_EVENT_PKEY_P1 },
1517 { 0, 0 }
1518 };
1519
1520 /* The set of possible bluetooth events */
1521 static struct sonypi_event sonypi_blueev[] = {
1522 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1523 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1524 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1525 { 0, 0 }
1526 };
1527
1528 /* The set of possible wireless events */
1529 static struct sonypi_event sonypi_wlessev[] = {
1530 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1531 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1532 { 0, 0 }
1533 };
1534
1535 /* The set of possible back button events */
1536 static struct sonypi_event sonypi_backev[] = {
1537 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1538 { 0, 0 }
1539 };
1540
1541 /* The set of possible help button events */
1542 static struct sonypi_event sonypi_helpev[] = {
1543 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1544 { 0, 0 }
1545 };
1546
1547
1548 /* The set of possible lid events */
1549 static struct sonypi_event sonypi_lidev[] = {
1550 { 0x51, SONYPI_EVENT_LID_CLOSED },
1551 { 0x50, SONYPI_EVENT_LID_OPENED },
1552 { 0, 0 }
1553 };
1554
1555 /* The set of possible zoom events */
1556 static struct sonypi_event sonypi_zoomev[] = {
1557 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1558 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1559 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1560 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1561 { 0, 0 }
1562 };
1563
1564 /* The set of possible thumbphrase events */
1565 static struct sonypi_event sonypi_thumbphraseev[] = {
1566 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1567 { 0, 0 }
1568 };
1569
1570 /* The set of possible motioneye camera events */
1571 static struct sonypi_event sonypi_meyeev[] = {
1572 { 0x00, SONYPI_EVENT_MEYE_FACE },
1573 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1574 { 0, 0 }
1575 };
1576
1577 /* The set of possible memorystick events */
1578 static struct sonypi_event sonypi_memorystickev[] = {
1579 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1580 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1581 { 0, 0 }
1582 };
1583
1584 /* The set of possible battery events */
1585 static struct sonypi_event sonypi_batteryev[] = {
1586 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1587 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1588 { 0, 0 }
1589 };
1590
1591 /* The set of possible volume events */
1592 static struct sonypi_event sonypi_volumeev[] = {
1593 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1594 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1595 { 0, 0 }
1596 };
1597
1598 /* The set of possible brightness events */
1599 static struct sonypi_event sonypi_brightnessev[] = {
1600 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1601 { 0, 0 }
1602 };
1603
1604 static struct sonypi_eventtypes type1_events[] = {
1605 { 0, 0xffffffff, sonypi_releaseev },
1606 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1607 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1608 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1609 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1610 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1611 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1612 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1613 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1614 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1615 { 0 },
1616 };
1617 static struct sonypi_eventtypes type2_events[] = {
1618 { 0, 0xffffffff, sonypi_releaseev },
1619 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1620 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1621 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1622 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1623 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1624 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1625 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1626 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1627 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1628 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1629 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1630 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1631 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1632 { 0 },
1633 };
1634 static struct sonypi_eventtypes type3_events[] = {
1635 { 0, 0xffffffff, sonypi_releaseev },
1636 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1637 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1638 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1639 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1640 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1641 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1642 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1643 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1644 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1645 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1646 { 0 },
1647 };
1648
1649 /* low level spic calls */
1650 #define ITERATIONS_LONG 10000
1651 #define ITERATIONS_SHORT 10
1652 #define wait_on_command(command, iterations) { \
1653 unsigned int n = iterations; \
1654 while (--n && (command)) \
1655 udelay(1); \
1656 if (!n) \
1657 dprintk("command failed at %s : %s (line %d)\n", \
1658 __FILE__, __func__, __LINE__); \
1659 }
1660
1661 static u8 sony_pic_call1(u8 dev)
1662 {
1663 u8 v1, v2;
1664
1665 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1666 ITERATIONS_LONG);
1667 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1668 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1669 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1670 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1671 return v2;
1672 }
1673
1674 static u8 sony_pic_call2(u8 dev, u8 fn)
1675 {
1676 u8 v1;
1677
1678 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1679 ITERATIONS_LONG);
1680 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1681 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1682 ITERATIONS_LONG);
1683 outb(fn, spic_dev.cur_ioport->io1.minimum);
1684 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1685 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1686 return v1;
1687 }
1688
1689 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1690 {
1691 u8 v1;
1692
1693 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1694 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1695 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1696 outb(fn, spic_dev.cur_ioport->io1.minimum);
1697 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1698 outb(v, spic_dev.cur_ioport->io1.minimum);
1699 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1700 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1701 dev, fn, v, v1);
1702 return v1;
1703 }
1704
1705 /*
1706 * minidrivers for SPIC models
1707 */
1708 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1709 {
1710 /*
1711 * 0x31 could mean we have to take some extra action and wait for
1712 * the next irq for some Type3 models, it will generate a new
1713 * irq and we can read new data from the device:
1714 * - 0x5c and 0x5f requires 0xA0
1715 * - 0x61 requires 0xB3
1716 */
1717 if (data_mask == 0x31) {
1718 if (ev == 0x5c || ev == 0x5f)
1719 sony_pic_call1(0xA0);
1720 else if (ev == 0x61)
1721 sony_pic_call1(0xB3);
1722 return 0;
1723 }
1724 return 1;
1725 }
1726
1727 static struct device_ctrl spic_types[] = {
1728 {
1729 .model = SONYPI_DEVICE_TYPE1,
1730 .handle_irq = NULL,
1731 .evport_offset = SONYPI_TYPE1_OFFSET,
1732 .event_types = type1_events,
1733 },
1734 {
1735 .model = SONYPI_DEVICE_TYPE2,
1736 .handle_irq = NULL,
1737 .evport_offset = SONYPI_TYPE2_OFFSET,
1738 .event_types = type2_events,
1739 },
1740 {
1741 .model = SONYPI_DEVICE_TYPE3,
1742 .handle_irq = type3_handle_irq,
1743 .evport_offset = SONYPI_TYPE3_OFFSET,
1744 .event_types = type3_events,
1745 },
1746 };
1747
1748 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1749 {
1750 struct pci_dev *pcidev;
1751
1752 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1753 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1754 if (pcidev) {
1755 dev->control = &spic_types[0];
1756 goto out;
1757 }
1758
1759 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1760 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1761 if (pcidev) {
1762 dev->control = &spic_types[2];
1763 goto out;
1764 }
1765
1766 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1767 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1768 if (pcidev) {
1769 dev->control = &spic_types[2];
1770 goto out;
1771 }
1772
1773 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1774 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1775 if (pcidev) {
1776 dev->control = &spic_types[2];
1777 goto out;
1778 }
1779
1780 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1781 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1782 if (pcidev) {
1783 dev->control = &spic_types[2];
1784 goto out;
1785 }
1786
1787 /* default */
1788 dev->control = &spic_types[1];
1789
1790 out:
1791 if (pcidev)
1792 pci_dev_put(pcidev);
1793
1794 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1795 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1796 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1797 }
1798
1799 /* camera tests and poweron/poweroff */
1800 #define SONYPI_CAMERA_PICTURE 5
1801 #define SONYPI_CAMERA_CONTROL 0x10
1802
1803 #define SONYPI_CAMERA_BRIGHTNESS 0
1804 #define SONYPI_CAMERA_CONTRAST 1
1805 #define SONYPI_CAMERA_HUE 2
1806 #define SONYPI_CAMERA_COLOR 3
1807 #define SONYPI_CAMERA_SHARPNESS 4
1808
1809 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1810 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1811 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1812 #define SONYPI_CAMERA_MUTE_MASK 0x40
1813
1814 /* the rest don't need a loop until not 0xff */
1815 #define SONYPI_CAMERA_AGC 6
1816 #define SONYPI_CAMERA_AGC_MASK 0x30
1817 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1818
1819 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1820 #define SONYPI_CAMERA_CONTROL 0x10
1821
1822 #define SONYPI_CAMERA_STATUS 7
1823 #define SONYPI_CAMERA_STATUS_READY 0x2
1824 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1825
1826 #define SONYPI_DIRECTION_BACKWARDS 0x4
1827
1828 #define SONYPI_CAMERA_REVISION 8
1829 #define SONYPI_CAMERA_ROMVERSION 9
1830
1831 static int __sony_pic_camera_ready(void)
1832 {
1833 u8 v;
1834
1835 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1836 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1837 }
1838
1839 static int __sony_pic_camera_off(void)
1840 {
1841 if (!camera) {
1842 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1843 return -ENODEV;
1844 }
1845
1846 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1847 SONYPI_CAMERA_MUTE_MASK),
1848 ITERATIONS_SHORT);
1849
1850 if (spic_dev.camera_power) {
1851 sony_pic_call2(0x91, 0);
1852 spic_dev.camera_power = 0;
1853 }
1854 return 0;
1855 }
1856
1857 static int __sony_pic_camera_on(void)
1858 {
1859 int i, j, x;
1860
1861 if (!camera) {
1862 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1863 return -ENODEV;
1864 }
1865
1866 if (spic_dev.camera_power)
1867 return 0;
1868
1869 for (j = 5; j > 0; j--) {
1870
1871 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1872 msleep(10);
1873 sony_pic_call1(0x93);
1874
1875 for (i = 400; i > 0; i--) {
1876 if (__sony_pic_camera_ready())
1877 break;
1878 msleep(10);
1879 }
1880 if (i)
1881 break;
1882 }
1883
1884 if (j == 0) {
1885 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1886 return -ENODEV;
1887 }
1888
1889 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1890 0x5a),
1891 ITERATIONS_SHORT);
1892
1893 spic_dev.camera_power = 1;
1894 return 0;
1895 }
1896
1897 /* External camera command (exported to the motion eye v4l driver) */
1898 int sony_pic_camera_command(int command, u8 value)
1899 {
1900 if (!camera)
1901 return -EIO;
1902
1903 mutex_lock(&spic_dev.lock);
1904
1905 switch (command) {
1906 case SONY_PIC_COMMAND_SETCAMERA:
1907 if (value)
1908 __sony_pic_camera_on();
1909 else
1910 __sony_pic_camera_off();
1911 break;
1912 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1913 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1914 ITERATIONS_SHORT);
1915 break;
1916 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1917 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1918 ITERATIONS_SHORT);
1919 break;
1920 case SONY_PIC_COMMAND_SETCAMERAHUE:
1921 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1922 ITERATIONS_SHORT);
1923 break;
1924 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1925 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1926 ITERATIONS_SHORT);
1927 break;
1928 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1929 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1930 ITERATIONS_SHORT);
1931 break;
1932 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1933 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1934 ITERATIONS_SHORT);
1935 break;
1936 case SONY_PIC_COMMAND_SETCAMERAAGC:
1937 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1938 ITERATIONS_SHORT);
1939 break;
1940 default:
1941 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1942 command);
1943 break;
1944 }
1945 mutex_unlock(&spic_dev.lock);
1946 return 0;
1947 }
1948 EXPORT_SYMBOL(sony_pic_camera_command);
1949
1950 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1951 static void __sony_pic_set_wwanpower(u8 state)
1952 {
1953 state = !!state;
1954 if (spic_dev.wwan_power == state)
1955 return;
1956 sony_pic_call2(0xB0, state);
1957 sony_pic_call1(0x82);
1958 spic_dev.wwan_power = state;
1959 }
1960
1961 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1962 struct device_attribute *attr,
1963 const char *buffer, size_t count)
1964 {
1965 unsigned long value;
1966 if (count > 31)
1967 return -EINVAL;
1968
1969 value = simple_strtoul(buffer, NULL, 10);
1970 mutex_lock(&spic_dev.lock);
1971 __sony_pic_set_wwanpower(value);
1972 mutex_unlock(&spic_dev.lock);
1973
1974 return count;
1975 }
1976
1977 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1978 struct device_attribute *attr, char *buffer)
1979 {
1980 ssize_t count;
1981 mutex_lock(&spic_dev.lock);
1982 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1983 mutex_unlock(&spic_dev.lock);
1984 return count;
1985 }
1986
1987 /* bluetooth subsystem power state */
1988 static void __sony_pic_set_bluetoothpower(u8 state)
1989 {
1990 state = !!state;
1991 if (spic_dev.bluetooth_power == state)
1992 return;
1993 sony_pic_call2(0x96, state);
1994 sony_pic_call1(0x82);
1995 spic_dev.bluetooth_power = state;
1996 }
1997
1998 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1999 struct device_attribute *attr,
2000 const char *buffer, size_t count)
2001 {
2002 unsigned long value;
2003 if (count > 31)
2004 return -EINVAL;
2005
2006 value = simple_strtoul(buffer, NULL, 10);
2007 mutex_lock(&spic_dev.lock);
2008 __sony_pic_set_bluetoothpower(value);
2009 mutex_unlock(&spic_dev.lock);
2010
2011 return count;
2012 }
2013
2014 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2015 struct device_attribute *attr, char *buffer)
2016 {
2017 ssize_t count = 0;
2018 mutex_lock(&spic_dev.lock);
2019 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2020 mutex_unlock(&spic_dev.lock);
2021 return count;
2022 }
2023
2024 /* fan speed */
2025 /* FAN0 information (reverse engineered from ACPI tables) */
2026 #define SONY_PIC_FAN0_STATUS 0x93
2027 static int sony_pic_set_fanspeed(unsigned long value)
2028 {
2029 return ec_write(SONY_PIC_FAN0_STATUS, value);
2030 }
2031
2032 static int sony_pic_get_fanspeed(u8 *value)
2033 {
2034 return ec_read(SONY_PIC_FAN0_STATUS, value);
2035 }
2036
2037 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2038 struct device_attribute *attr,
2039 const char *buffer, size_t count)
2040 {
2041 unsigned long value;
2042 if (count > 31)
2043 return -EINVAL;
2044
2045 value = simple_strtoul(buffer, NULL, 10);
2046 if (sony_pic_set_fanspeed(value))
2047 return -EIO;
2048
2049 return count;
2050 }
2051
2052 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2053 struct device_attribute *attr, char *buffer)
2054 {
2055 u8 value = 0;
2056 if (sony_pic_get_fanspeed(&value))
2057 return -EIO;
2058
2059 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2060 }
2061
2062 #define SPIC_ATTR(_name, _mode) \
2063 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2064 _mode, sony_pic_## _name ##_show, \
2065 sony_pic_## _name ##_store)
2066
2067 static SPIC_ATTR(bluetoothpower, 0644);
2068 static SPIC_ATTR(wwanpower, 0644);
2069 static SPIC_ATTR(fanspeed, 0644);
2070
2071 static struct attribute *spic_attributes[] = {
2072 &spic_attr_bluetoothpower.attr,
2073 &spic_attr_wwanpower.attr,
2074 &spic_attr_fanspeed.attr,
2075 NULL
2076 };
2077
2078 static struct attribute_group spic_attribute_group = {
2079 .attrs = spic_attributes
2080 };
2081
2082 /******** SONYPI compatibility **********/
2083 #ifdef CONFIG_SONYPI_COMPAT
2084
2085 /* battery / brightness / temperature addresses */
2086 #define SONYPI_BAT_FLAGS 0x81
2087 #define SONYPI_LCD_LIGHT 0x96
2088 #define SONYPI_BAT1_PCTRM 0xa0
2089 #define SONYPI_BAT1_LEFT 0xa2
2090 #define SONYPI_BAT1_MAXRT 0xa4
2091 #define SONYPI_BAT2_PCTRM 0xa8
2092 #define SONYPI_BAT2_LEFT 0xaa
2093 #define SONYPI_BAT2_MAXRT 0xac
2094 #define SONYPI_BAT1_MAXTK 0xb0
2095 #define SONYPI_BAT1_FULL 0xb2
2096 #define SONYPI_BAT2_MAXTK 0xb8
2097 #define SONYPI_BAT2_FULL 0xba
2098 #define SONYPI_TEMP_STATUS 0xC1
2099
2100 struct sonypi_compat_s {
2101 struct fasync_struct *fifo_async;
2102 struct kfifo *fifo;
2103 spinlock_t fifo_lock;
2104 wait_queue_head_t fifo_proc_list;
2105 atomic_t open_count;
2106 };
2107 static struct sonypi_compat_s sonypi_compat = {
2108 .open_count = ATOMIC_INIT(0),
2109 };
2110
2111 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2112 {
2113 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2114 }
2115
2116 static int sonypi_misc_release(struct inode *inode, struct file *file)
2117 {
2118 atomic_dec(&sonypi_compat.open_count);
2119 return 0;
2120 }
2121
2122 static int sonypi_misc_open(struct inode *inode, struct file *file)
2123 {
2124 /* Flush input queue on first open */
2125 unsigned long flags;
2126
2127 spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2128
2129 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2130 __kfifo_reset(sonypi_compat.fifo);
2131
2132 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2133
2134 return 0;
2135 }
2136
2137 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2138 size_t count, loff_t *pos)
2139 {
2140 ssize_t ret;
2141 unsigned char c;
2142
2143 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2144 (file->f_flags & O_NONBLOCK))
2145 return -EAGAIN;
2146
2147 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2148 kfifo_len(sonypi_compat.fifo) != 0);
2149 if (ret)
2150 return ret;
2151
2152 while (ret < count &&
2153 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2154 if (put_user(c, buf++))
2155 return -EFAULT;
2156 ret++;
2157 }
2158
2159 if (ret > 0) {
2160 struct inode *inode = file->f_path.dentry->d_inode;
2161 inode->i_atime = current_fs_time(inode->i_sb);
2162 }
2163
2164 return ret;
2165 }
2166
2167 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2168 {
2169 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2170 if (kfifo_len(sonypi_compat.fifo))
2171 return POLLIN | POLLRDNORM;
2172 return 0;
2173 }
2174
2175 static int ec_read16(u8 addr, u16 *value)
2176 {
2177 u8 val_lb, val_hb;
2178 if (ec_read(addr, &val_lb))
2179 return -1;
2180 if (ec_read(addr + 1, &val_hb))
2181 return -1;
2182 *value = val_lb | (val_hb << 8);
2183 return 0;
2184 }
2185
2186 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2187 unsigned long arg)
2188 {
2189 int ret = 0;
2190 void __user *argp = (void __user *)arg;
2191 u8 val8;
2192 u16 val16;
2193 int value;
2194
2195 mutex_lock(&spic_dev.lock);
2196 switch (cmd) {
2197 case SONYPI_IOCGBRT:
2198 if (sony_backlight_device == NULL) {
2199 ret = -EIO;
2200 break;
2201 }
2202 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2203 ret = -EIO;
2204 break;
2205 }
2206 val8 = ((value & 0xff) - 1) << 5;
2207 if (copy_to_user(argp, &val8, sizeof(val8)))
2208 ret = -EFAULT;
2209 break;
2210 case SONYPI_IOCSBRT:
2211 if (sony_backlight_device == NULL) {
2212 ret = -EIO;
2213 break;
2214 }
2215 if (copy_from_user(&val8, argp, sizeof(val8))) {
2216 ret = -EFAULT;
2217 break;
2218 }
2219 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2220 (val8 >> 5) + 1, NULL)) {
2221 ret = -EIO;
2222 break;
2223 }
2224 /* sync the backlight device status */
2225 sony_backlight_device->props.brightness =
2226 sony_backlight_get_brightness(sony_backlight_device);
2227 break;
2228 case SONYPI_IOCGBAT1CAP:
2229 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2230 ret = -EIO;
2231 break;
2232 }
2233 if (copy_to_user(argp, &val16, sizeof(val16)))
2234 ret = -EFAULT;
2235 break;
2236 case SONYPI_IOCGBAT1REM:
2237 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2238 ret = -EIO;
2239 break;
2240 }
2241 if (copy_to_user(argp, &val16, sizeof(val16)))
2242 ret = -EFAULT;
2243 break;
2244 case SONYPI_IOCGBAT2CAP:
2245 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2246 ret = -EIO;
2247 break;
2248 }
2249 if (copy_to_user(argp, &val16, sizeof(val16)))
2250 ret = -EFAULT;
2251 break;
2252 case SONYPI_IOCGBAT2REM:
2253 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2254 ret = -EIO;
2255 break;
2256 }
2257 if (copy_to_user(argp, &val16, sizeof(val16)))
2258 ret = -EFAULT;
2259 break;
2260 case SONYPI_IOCGBATFLAGS:
2261 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2262 ret = -EIO;
2263 break;
2264 }
2265 val8 &= 0x07;
2266 if (copy_to_user(argp, &val8, sizeof(val8)))
2267 ret = -EFAULT;
2268 break;
2269 case SONYPI_IOCGBLUE:
2270 val8 = spic_dev.bluetooth_power;
2271 if (copy_to_user(argp, &val8, sizeof(val8)))
2272 ret = -EFAULT;
2273 break;
2274 case SONYPI_IOCSBLUE:
2275 if (copy_from_user(&val8, argp, sizeof(val8))) {
2276 ret = -EFAULT;
2277 break;
2278 }
2279 __sony_pic_set_bluetoothpower(val8);
2280 break;
2281 /* FAN Controls */
2282 case SONYPI_IOCGFAN:
2283 if (sony_pic_get_fanspeed(&val8)) {
2284 ret = -EIO;
2285 break;
2286 }
2287 if (copy_to_user(argp, &val8, sizeof(val8)))
2288 ret = -EFAULT;
2289 break;
2290 case SONYPI_IOCSFAN:
2291 if (copy_from_user(&val8, argp, sizeof(val8))) {
2292 ret = -EFAULT;
2293 break;
2294 }
2295 if (sony_pic_set_fanspeed(val8))
2296 ret = -EIO;
2297 break;
2298 /* GET Temperature (useful under APM) */
2299 case SONYPI_IOCGTEMP:
2300 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2301 ret = -EIO;
2302 break;
2303 }
2304 if (copy_to_user(argp, &val8, sizeof(val8)))
2305 ret = -EFAULT;
2306 break;
2307 default:
2308 ret = -EINVAL;
2309 }
2310 mutex_unlock(&spic_dev.lock);
2311 return ret;
2312 }
2313
2314 static const struct file_operations sonypi_misc_fops = {
2315 .owner = THIS_MODULE,
2316 .read = sonypi_misc_read,
2317 .poll = sonypi_misc_poll,
2318 .open = sonypi_misc_open,
2319 .release = sonypi_misc_release,
2320 .fasync = sonypi_misc_fasync,
2321 .unlocked_ioctl = sonypi_misc_ioctl,
2322 };
2323
2324 static struct miscdevice sonypi_misc_device = {
2325 .minor = MISC_DYNAMIC_MINOR,
2326 .name = "sonypi",
2327 .fops = &sonypi_misc_fops,
2328 };
2329
2330 static void sonypi_compat_report_event(u8 event)
2331 {
2332 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2333 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2334 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2335 }
2336
2337 static int sonypi_compat_init(void)
2338 {
2339 int error;
2340
2341 spin_lock_init(&sonypi_compat.fifo_lock);
2342 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2343 &sonypi_compat.fifo_lock);
2344 if (IS_ERR(sonypi_compat.fifo)) {
2345 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2346 return PTR_ERR(sonypi_compat.fifo);
2347 }
2348
2349 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2350
2351 if (minor != -1)
2352 sonypi_misc_device.minor = minor;
2353 error = misc_register(&sonypi_misc_device);
2354 if (error) {
2355 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2356 goto err_free_kfifo;
2357 }
2358 if (minor == -1)
2359 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2360 sonypi_misc_device.minor);
2361
2362 return 0;
2363
2364 err_free_kfifo:
2365 kfifo_free(sonypi_compat.fifo);
2366 return error;
2367 }
2368
2369 static void sonypi_compat_exit(void)
2370 {
2371 misc_deregister(&sonypi_misc_device);
2372 kfifo_free(sonypi_compat.fifo);
2373 }
2374 #else
2375 static int sonypi_compat_init(void) { return 0; }
2376 static void sonypi_compat_exit(void) { }
2377 static void sonypi_compat_report_event(u8 event) { }
2378 #endif /* CONFIG_SONYPI_COMPAT */
2379
2380 /*
2381 * ACPI callbacks
2382 */
2383 static acpi_status
2384 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2385 {
2386 u32 i;
2387 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2388
2389 switch (resource->type) {
2390 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2391 {
2392 /* start IO enumeration */
2393 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2394 if (!ioport)
2395 return AE_ERROR;
2396
2397 list_add(&ioport->list, &dev->ioports);
2398 return AE_OK;
2399 }
2400
2401 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2402 /* end IO enumeration */
2403 return AE_OK;
2404
2405 case ACPI_RESOURCE_TYPE_IRQ:
2406 {
2407 struct acpi_resource_irq *p = &resource->data.irq;
2408 struct sony_pic_irq *interrupt = NULL;
2409 if (!p || !p->interrupt_count) {
2410 /*
2411 * IRQ descriptors may have no IRQ# bits set,
2412 * particularly those those w/ _STA disabled
2413 */
2414 dprintk("Blank IRQ resource\n");
2415 return AE_OK;
2416 }
2417 for (i = 0; i < p->interrupt_count; i++) {
2418 if (!p->interrupts[i]) {
2419 printk(KERN_WARNING DRV_PFX
2420 "Invalid IRQ %d\n",
2421 p->interrupts[i]);
2422 continue;
2423 }
2424 interrupt = kzalloc(sizeof(*interrupt),
2425 GFP_KERNEL);
2426 if (!interrupt)
2427 return AE_ERROR;
2428
2429 list_add(&interrupt->list, &dev->interrupts);
2430 interrupt->irq.triggering = p->triggering;
2431 interrupt->irq.polarity = p->polarity;
2432 interrupt->irq.sharable = p->sharable;
2433 interrupt->irq.interrupt_count = 1;
2434 interrupt->irq.interrupts[0] = p->interrupts[i];
2435 }
2436 return AE_OK;
2437 }
2438 case ACPI_RESOURCE_TYPE_IO:
2439 {
2440 struct acpi_resource_io *io = &resource->data.io;
2441 struct sony_pic_ioport *ioport =
2442 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2443 if (!io) {
2444 dprintk("Blank IO resource\n");
2445 return AE_OK;
2446 }
2447
2448 if (!ioport->io1.minimum) {
2449 memcpy(&ioport->io1, io, sizeof(*io));
2450 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2451 ioport->io1.address_length);
2452 }
2453 else if (!ioport->io2.minimum) {
2454 memcpy(&ioport->io2, io, sizeof(*io));
2455 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2456 ioport->io2.address_length);
2457 }
2458 else {
2459 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2460 return AE_ERROR;
2461 }
2462 return AE_OK;
2463 }
2464 default:
2465 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2466 resource->type);
2467
2468 case ACPI_RESOURCE_TYPE_END_TAG:
2469 return AE_OK;
2470 }
2471 return AE_CTRL_TERMINATE;
2472 }
2473
2474 static int sony_pic_possible_resources(struct acpi_device *device)
2475 {
2476 int result = 0;
2477 acpi_status status = AE_OK;
2478
2479 if (!device)
2480 return -EINVAL;
2481
2482 /* get device status */
2483 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2484 dprintk("Evaluating _STA\n");
2485 result = acpi_bus_get_status(device);
2486 if (result) {
2487 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2488 goto end;
2489 }
2490
2491 if (!device->status.enabled)
2492 dprintk("Device disabled\n");
2493 else
2494 dprintk("Device enabled\n");
2495
2496 /*
2497 * Query and parse 'method'
2498 */
2499 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2500 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2501 sony_pic_read_possible_resource, &spic_dev);
2502 if (ACPI_FAILURE(status)) {
2503 printk(KERN_WARNING DRV_PFX
2504 "Failure evaluating %s\n",
2505 METHOD_NAME__PRS);
2506 result = -ENODEV;
2507 }
2508 end:
2509 return result;
2510 }
2511
2512 /*
2513 * Disable the spic device by calling its _DIS method
2514 */
2515 static int sony_pic_disable(struct acpi_device *device)
2516 {
2517 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2518 NULL);
2519
2520 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2521 return -ENXIO;
2522
2523 dprintk("Device disabled\n");
2524 return 0;
2525 }
2526
2527
2528 /*
2529 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2530 *
2531 * Call _SRS to set current resources
2532 */
2533 static int sony_pic_enable(struct acpi_device *device,
2534 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2535 {
2536 acpi_status status;
2537 int result = 0;
2538 /* Type 1 resource layout is:
2539 * IO
2540 * IO
2541 * IRQNoFlags
2542 * End
2543 *
2544 * Type 2 and 3 resource layout is:
2545 * IO
2546 * IRQNoFlags
2547 * End
2548 */
2549 struct {
2550 struct acpi_resource res1;
2551 struct acpi_resource res2;
2552 struct acpi_resource res3;
2553 struct acpi_resource res4;
2554 } *resource;
2555 struct acpi_buffer buffer = { 0, NULL };
2556
2557 if (!ioport || !irq)
2558 return -EINVAL;
2559
2560 /* init acpi_buffer */
2561 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2562 if (!resource)
2563 return -ENOMEM;
2564
2565 buffer.length = sizeof(*resource) + 1;
2566 buffer.pointer = resource;
2567
2568 /* setup Type 1 resources */
2569 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2570
2571 /* setup io resources */
2572 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2573 resource->res1.length = sizeof(struct acpi_resource);
2574 memcpy(&resource->res1.data.io, &ioport->io1,
2575 sizeof(struct acpi_resource_io));
2576
2577 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2578 resource->res2.length = sizeof(struct acpi_resource);
2579 memcpy(&resource->res2.data.io, &ioport->io2,
2580 sizeof(struct acpi_resource_io));
2581
2582 /* setup irq resource */
2583 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2584 resource->res3.length = sizeof(struct acpi_resource);
2585 memcpy(&resource->res3.data.irq, &irq->irq,
2586 sizeof(struct acpi_resource_irq));
2587 /* we requested a shared irq */
2588 resource->res3.data.irq.sharable = ACPI_SHARED;
2589
2590 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2591
2592 }
2593 /* setup Type 2/3 resources */
2594 else {
2595 /* setup io resource */
2596 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2597 resource->res1.length = sizeof(struct acpi_resource);
2598 memcpy(&resource->res1.data.io, &ioport->io1,
2599 sizeof(struct acpi_resource_io));
2600
2601 /* setup irq resource */
2602 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2603 resource->res2.length = sizeof(struct acpi_resource);
2604 memcpy(&resource->res2.data.irq, &irq->irq,
2605 sizeof(struct acpi_resource_irq));
2606 /* we requested a shared irq */
2607 resource->res2.data.irq.sharable = ACPI_SHARED;
2608
2609 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2610 }
2611
2612 /* Attempt to set the resource */
2613 dprintk("Evaluating _SRS\n");
2614 status = acpi_set_current_resources(device->handle, &buffer);
2615
2616 /* check for total failure */
2617 if (ACPI_FAILURE(status)) {
2618 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2619 result = -ENODEV;
2620 goto end;
2621 }
2622
2623 /* Necessary device initializations calls (from sonypi) */
2624 sony_pic_call1(0x82);
2625 sony_pic_call2(0x81, 0xff);
2626 sony_pic_call1(compat ? 0x92 : 0x82);
2627
2628 end:
2629 kfree(resource);
2630 return result;
2631 }
2632
2633 /*****************
2634 *
2635 * ISR: some event is available
2636 *
2637 *****************/
2638 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2639 {
2640 int i, j;
2641 u8 ev = 0;
2642 u8 data_mask = 0;
2643 u8 device_event = 0;
2644
2645 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2646
2647 ev = inb_p(dev->cur_ioport->io1.minimum);
2648 if (dev->cur_ioport->io2.minimum)
2649 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2650 else
2651 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2652 dev->control->evport_offset);
2653
2654 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2655 ev, data_mask, dev->cur_ioport->io1.minimum,
2656 dev->control->evport_offset);
2657
2658 if (ev == 0x00 || ev == 0xff)
2659 return IRQ_HANDLED;
2660
2661 for (i = 0; dev->control->event_types[i].mask; i++) {
2662
2663 if ((data_mask & dev->control->event_types[i].data) !=
2664 dev->control->event_types[i].data)
2665 continue;
2666
2667 if (!(mask & dev->control->event_types[i].mask))
2668 continue;
2669
2670 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2671 if (ev == dev->control->event_types[i].events[j].data) {
2672 device_event =
2673 dev->control->
2674 event_types[i].events[j].event;
2675 goto found;
2676 }
2677 }
2678 }
2679 /* Still not able to decode the event try to pass
2680 * it over to the minidriver
2681 */
2682 if (dev->control->handle_irq &&
2683 dev->control->handle_irq(data_mask, ev) == 0)
2684 return IRQ_HANDLED;
2685
2686 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2687 ev, data_mask, dev->cur_ioport->io1.minimum,
2688 dev->control->evport_offset);
2689 return IRQ_HANDLED;
2690
2691 found:
2692 sony_laptop_report_input_event(device_event);
2693 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2694 sonypi_compat_report_event(device_event);
2695
2696 return IRQ_HANDLED;
2697 }
2698
2699 /*****************
2700 *
2701 * ACPI driver
2702 *
2703 *****************/
2704 static int sony_pic_remove(struct acpi_device *device, int type)
2705 {
2706 struct sony_pic_ioport *io, *tmp_io;
2707 struct sony_pic_irq *irq, *tmp_irq;
2708
2709 if (sony_pic_disable(device)) {
2710 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2711 return -ENXIO;
2712 }
2713
2714 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2715 release_region(spic_dev.cur_ioport->io1.minimum,
2716 spic_dev.cur_ioport->io1.address_length);
2717 if (spic_dev.cur_ioport->io2.minimum)
2718 release_region(spic_dev.cur_ioport->io2.minimum,
2719 spic_dev.cur_ioport->io2.address_length);
2720
2721 sonypi_compat_exit();
2722
2723 sony_laptop_remove_input();
2724
2725 /* pf attrs */
2726 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2727 sony_pf_remove();
2728
2729 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2730 list_del(&io->list);
2731 kfree(io);
2732 }
2733 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2734 list_del(&irq->list);
2735 kfree(irq);
2736 }
2737 spic_dev.cur_ioport = NULL;
2738 spic_dev.cur_irq = NULL;
2739
2740 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2741 return 0;
2742 }
2743
2744 static int sony_pic_add(struct acpi_device *device)
2745 {
2746 int result;
2747 struct sony_pic_ioport *io, *tmp_io;
2748 struct sony_pic_irq *irq, *tmp_irq;
2749
2750 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2751 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2752
2753 spic_dev.acpi_dev = device;
2754 strcpy(acpi_device_class(device), "sony/hotkey");
2755 sony_pic_detect_device_type(&spic_dev);
2756 mutex_init(&spic_dev.lock);
2757
2758 /* read _PRS resources */
2759 result = sony_pic_possible_resources(device);
2760 if (result) {
2761 printk(KERN_ERR DRV_PFX
2762 "Unable to read possible resources.\n");
2763 goto err_free_resources;
2764 }
2765
2766 /* setup input devices and helper fifo */
2767 result = sony_laptop_setup_input(device);
2768 if (result) {
2769 printk(KERN_ERR DRV_PFX
2770 "Unable to create input devices.\n");
2771 goto err_free_resources;
2772 }
2773
2774 if (sonypi_compat_init())
2775 goto err_remove_input;
2776
2777 /* request io port */
2778 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2779 if (request_region(io->io1.minimum, io->io1.address_length,
2780 "Sony Programable I/O Device")) {
2781 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2782 io->io1.minimum, io->io1.maximum,
2783 io->io1.address_length);
2784 /* Type 1 have 2 ioports */
2785 if (io->io2.minimum) {
2786 if (request_region(io->io2.minimum,
2787 io->io2.address_length,
2788 "Sony Programable I/O Device")) {
2789 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2790 io->io2.minimum, io->io2.maximum,
2791 io->io2.address_length);
2792 spic_dev.cur_ioport = io;
2793 break;
2794 }
2795 else {
2796 dprintk("Unable to get I/O port2: "
2797 "0x%.4x (0x%.4x) + 0x%.2x\n",
2798 io->io2.minimum, io->io2.maximum,
2799 io->io2.address_length);
2800 release_region(io->io1.minimum,
2801 io->io1.address_length);
2802 }
2803 }
2804 else {
2805 spic_dev.cur_ioport = io;
2806 break;
2807 }
2808 }
2809 }
2810 if (!spic_dev.cur_ioport) {
2811 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2812 result = -ENODEV;
2813 goto err_remove_compat;
2814 }
2815
2816 /* request IRQ */
2817 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2818 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2819 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2820 dprintk("IRQ: %d - triggering: %d - "
2821 "polarity: %d - shr: %d\n",
2822 irq->irq.interrupts[0],
2823 irq->irq.triggering,
2824 irq->irq.polarity,
2825 irq->irq.sharable);
2826 spic_dev.cur_irq = irq;
2827 break;
2828 }
2829 }
2830 if (!spic_dev.cur_irq) {
2831 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2832 result = -ENODEV;
2833 goto err_release_region;
2834 }
2835
2836 /* set resource status _SRS */
2837 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2838 if (result) {
2839 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2840 goto err_free_irq;
2841 }
2842
2843 spic_dev.bluetooth_power = -1;
2844 /* create device attributes */
2845 result = sony_pf_add();
2846 if (result)
2847 goto err_disable_device;
2848
2849 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2850 if (result)
2851 goto err_remove_pf;
2852
2853 return 0;
2854
2855 err_remove_pf:
2856 sony_pf_remove();
2857
2858 err_disable_device:
2859 sony_pic_disable(device);
2860
2861 err_free_irq:
2862 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2863
2864 err_release_region:
2865 release_region(spic_dev.cur_ioport->io1.minimum,
2866 spic_dev.cur_ioport->io1.address_length);
2867 if (spic_dev.cur_ioport->io2.minimum)
2868 release_region(spic_dev.cur_ioport->io2.minimum,
2869 spic_dev.cur_ioport->io2.address_length);
2870
2871 err_remove_compat:
2872 sonypi_compat_exit();
2873
2874 err_remove_input:
2875 sony_laptop_remove_input();
2876
2877 err_free_resources:
2878 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2879 list_del(&io->list);
2880 kfree(io);
2881 }
2882 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2883 list_del(&irq->list);
2884 kfree(irq);
2885 }
2886 spic_dev.cur_ioport = NULL;
2887 spic_dev.cur_irq = NULL;
2888
2889 return result;
2890 }
2891
2892 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2893 {
2894 if (sony_pic_disable(device))
2895 return -ENXIO;
2896 return 0;
2897 }
2898
2899 static int sony_pic_resume(struct acpi_device *device)
2900 {
2901 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2902 return 0;
2903 }
2904
2905 static const struct acpi_device_id sony_pic_device_ids[] = {
2906 {SONY_PIC_HID, 0},
2907 {"", 0},
2908 };
2909
2910 static struct acpi_driver sony_pic_driver = {
2911 .name = SONY_PIC_DRIVER_NAME,
2912 .class = SONY_PIC_CLASS,
2913 .ids = sony_pic_device_ids,
2914 .owner = THIS_MODULE,
2915 .ops = {
2916 .add = sony_pic_add,
2917 .remove = sony_pic_remove,
2918 .suspend = sony_pic_suspend,
2919 .resume = sony_pic_resume,
2920 },
2921 };
2922
2923 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2924 {
2925 .ident = "Sony Vaio",
2926 .matches = {
2927 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2928 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2929 },
2930 },
2931 {
2932 .ident = "Sony Vaio",
2933 .matches = {
2934 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2935 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2936 },
2937 },
2938 { }
2939 };
2940
2941 static int __init sony_laptop_init(void)
2942 {
2943 int result;
2944
2945 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2946 result = acpi_bus_register_driver(&sony_pic_driver);
2947 if (result) {
2948 printk(KERN_ERR DRV_PFX
2949 "Unable to register SPIC driver.");
2950 goto out;
2951 }
2952 }
2953
2954 result = acpi_bus_register_driver(&sony_nc_driver);
2955 if (result) {
2956 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2957 goto out_unregister_pic;
2958 }
2959
2960 return 0;
2961
2962 out_unregister_pic:
2963 if (!no_spic)
2964 acpi_bus_unregister_driver(&sony_pic_driver);
2965 out:
2966 return result;
2967 }
2968
2969 static void __exit sony_laptop_exit(void)
2970 {
2971 acpi_bus_unregister_driver(&sony_nc_driver);
2972 if (!no_spic)
2973 acpi_bus_unregister_driver(&sony_pic_driver);
2974 }
2975
2976 module_init(sony_laptop_init);
2977 module_exit(sony_laptop_exit);