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added 2.6.29.6 aldebaran kernel
[nao-ulib.git] / kernel / 2.6.29.6-aldebaran-rt / drivers / platform / x86 / sony-laptop.c
blob537959d07148a9c3f1e76ec0637b6de3c65ac1cb
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/smp_lock.h>
50 #include <linux/types.h>
51 #include <linux/backlight.h>
52 #include <linux/platform_device.h>
53 #include <linux/err.h>
54 #include <linux/dmi.h>
55 #include <linux/pci.h>
56 #include <linux/interrupt.h>
57 #include <linux/delay.h>
58 #include <linux/input.h>
59 #include <linux/kfifo.h>
60 #include <linux/workqueue.h>
61 #include <linux/acpi.h>
62 #include <acpi/acpi_drivers.h>
63 #include <acpi/acpi_bus.h>
64 #include <asm/uaccess.h>
65 #include <linux/sonypi.h>
66 #include <linux/sony-laptop.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 /*********** Input Devices ***********/
127
128 #define SONY_LAPTOP_BUF_SIZE 128
129 struct sony_laptop_input_s {
130 atomic_t users;
131 struct input_dev *jog_dev;
132 struct input_dev *key_dev;
133 struct kfifo *fifo;
134 spinlock_t fifo_lock;
135 struct workqueue_struct *wq;
136 };
137 static struct sony_laptop_input_s sony_laptop_input = {
138 .users = ATOMIC_INIT(0),
139 };
140
141 struct sony_laptop_keypress {
142 struct input_dev *dev;
143 int key;
144 };
145
146 /* Correspondance table between sonypi events
147 * and input layer indexes in the keymap
148 */
149 static int sony_laptop_input_index[] = {
150 -1, /* 0 no event */
151 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
152 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
153 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
154 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
155 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
156 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
157 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
158 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
159 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
160 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
161 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
162 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
163 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
164 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
165 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
166 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
167 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
168 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
169 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
170 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
171 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
172 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
173 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
174 17, /* 24 SONYPI_EVENT_FNKEY_1 */
175 18, /* 25 SONYPI_EVENT_FNKEY_2 */
176 19, /* 26 SONYPI_EVENT_FNKEY_D */
177 20, /* 27 SONYPI_EVENT_FNKEY_E */
178 21, /* 28 SONYPI_EVENT_FNKEY_F */
179 22, /* 29 SONYPI_EVENT_FNKEY_S */
180 23, /* 30 SONYPI_EVENT_FNKEY_B */
181 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
182 25, /* 32 SONYPI_EVENT_PKEY_P1 */
183 26, /* 33 SONYPI_EVENT_PKEY_P2 */
184 27, /* 34 SONYPI_EVENT_PKEY_P3 */
185 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
186 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
187 -1, /* 37 SONYPI_EVENT_LID_OPENED */
188 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
189 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
190 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
191 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
192 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
193 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
194 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
195 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
196 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
197 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
198 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
199 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
200 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
201 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
202 43, /* 52 SONYPI_EVENT_MEYE_FACE */
203 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
204 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
205 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
206 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
207 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
208 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
209 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
210 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
211 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
212 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
213 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
214 };
215
216 static int sony_laptop_input_keycode_map[] = {
217 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
218 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
219 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
220 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
221 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
222 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
223 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
224 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
225 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
226 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
227 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
228 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
229 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
230 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
231 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
232 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
233 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
234 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
235 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
236 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
237 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
238 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
239 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
240 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
241 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
242 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
243 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
244 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
245 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
246 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
247 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
248 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
249 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
250 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
251 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
252 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
253 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
254 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
255 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
256 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
257 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
258 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
259 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
260 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
261 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
262 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
263 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
264 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
265 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
266 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
267 KEY_ZOOMOUT /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
268 };
269
270 /* release buttons after a short delay if pressed */
271 static void do_sony_laptop_release_key(struct work_struct *work)
272 {
273 struct sony_laptop_keypress kp;
274
275 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
276 sizeof(kp)) == sizeof(kp)) {
277 msleep(10);
278 input_report_key(kp.dev, kp.key, 0);
279 input_sync(kp.dev);
280 }
281 }
282 static DECLARE_WORK(sony_laptop_release_key_work,
283 do_sony_laptop_release_key);
284
285 /* forward event to the input subsystem */
286 static void sony_laptop_report_input_event(u8 event)
287 {
288 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
289 struct input_dev *key_dev = sony_laptop_input.key_dev;
290 struct sony_laptop_keypress kp = { NULL };
291
292 if (event == SONYPI_EVENT_FNKEY_RELEASED) {
293 /* Nothing, not all VAIOs generate this event */
294 return;
295 }
296
297 /* report events */
298 switch (event) {
299 /* jog_dev events */
300 case SONYPI_EVENT_JOGDIAL_UP:
301 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
302 input_report_rel(jog_dev, REL_WHEEL, 1);
303 input_sync(jog_dev);
304 return;
305
306 case SONYPI_EVENT_JOGDIAL_DOWN:
307 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
308 input_report_rel(jog_dev, REL_WHEEL, -1);
309 input_sync(jog_dev);
310 return;
311
312 /* key_dev events */
313 case SONYPI_EVENT_JOGDIAL_PRESSED:
314 kp.key = BTN_MIDDLE;
315 kp.dev = jog_dev;
316 break;
317
318 default:
319 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
320 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
321 break;
322 }
323 if (sony_laptop_input_index[event] != -1) {
324 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
325 if (kp.key != KEY_UNKNOWN)
326 kp.dev = key_dev;
327 }
328 break;
329 }
330
331 if (kp.dev) {
332 input_report_key(kp.dev, kp.key, 1);
333 /* we emit the scancode so we can always remap the key */
334 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
335 input_sync(kp.dev);
336 kfifo_put(sony_laptop_input.fifo,
337 (unsigned char *)&kp, sizeof(kp));
338
339 if (!work_pending(&sony_laptop_release_key_work))
340 queue_work(sony_laptop_input.wq,
341 &sony_laptop_release_key_work);
342 } else
343 dprintk("unknown input event %.2x\n", event);
344 }
345
346 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
347 {
348 struct input_dev *jog_dev;
349 struct input_dev *key_dev;
350 int i;
351 int error;
352
353 /* don't run again if already initialized */
354 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
355 return 0;
356
357 /* kfifo */
358 spin_lock_init(&sony_laptop_input.fifo_lock);
359 sony_laptop_input.fifo =
360 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
361 &sony_laptop_input.fifo_lock);
362 if (IS_ERR(sony_laptop_input.fifo)) {
363 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
364 error = PTR_ERR(sony_laptop_input.fifo);
365 goto err_dec_users;
366 }
367
368 /* init workqueue */
369 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
370 if (!sony_laptop_input.wq) {
371 printk(KERN_ERR DRV_PFX
372 "Unabe to create workqueue.\n");
373 error = -ENXIO;
374 goto err_free_kfifo;
375 }
376
377 /* input keys */
378 key_dev = input_allocate_device();
379 if (!key_dev) {
380 error = -ENOMEM;
381 goto err_destroy_wq;
382 }
383
384 key_dev->name = "Sony Vaio Keys";
385 key_dev->id.bustype = BUS_ISA;
386 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
387 key_dev->dev.parent = &acpi_device->dev;
388
389 /* Initialize the Input Drivers: special keys */
390 set_bit(EV_KEY, key_dev->evbit);
391 set_bit(EV_MSC, key_dev->evbit);
392 set_bit(MSC_SCAN, key_dev->mscbit);
393 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
394 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
395 key_dev->keycode = &sony_laptop_input_keycode_map;
396 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
397 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
398 set_bit(sony_laptop_input_keycode_map[i],
399 key_dev->keybit);
400 }
401 }
402
403 error = input_register_device(key_dev);
404 if (error)
405 goto err_free_keydev;
406
407 sony_laptop_input.key_dev = key_dev;
408
409 /* jogdial */
410 jog_dev = input_allocate_device();
411 if (!jog_dev) {
412 error = -ENOMEM;
413 goto err_unregister_keydev;
414 }
415
416 jog_dev->name = "Sony Vaio Jogdial";
417 jog_dev->id.bustype = BUS_ISA;
418 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
419 key_dev->dev.parent = &acpi_device->dev;
420
421 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
422 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
423 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
424
425 error = input_register_device(jog_dev);
426 if (error)
427 goto err_free_jogdev;
428
429 sony_laptop_input.jog_dev = jog_dev;
430
431 return 0;
432
433 err_free_jogdev:
434 input_free_device(jog_dev);
435
436 err_unregister_keydev:
437 input_unregister_device(key_dev);
438 /* to avoid kref underflow below at input_free_device */
439 key_dev = NULL;
440
441 err_free_keydev:
442 input_free_device(key_dev);
443
444 err_destroy_wq:
445 destroy_workqueue(sony_laptop_input.wq);
446
447 err_free_kfifo:
448 kfifo_free(sony_laptop_input.fifo);
449
450 err_dec_users:
451 atomic_dec(&sony_laptop_input.users);
452 return error;
453 }
454
455 static void sony_laptop_remove_input(void)
456 {
457 /* cleanup only after the last user has gone */
458 if (!atomic_dec_and_test(&sony_laptop_input.users))
459 return;
460
461 /* flush workqueue first */
462 flush_workqueue(sony_laptop_input.wq);
463
464 /* destroy input devs */
465 input_unregister_device(sony_laptop_input.key_dev);
466 sony_laptop_input.key_dev = NULL;
467
468 if (sony_laptop_input.jog_dev) {
469 input_unregister_device(sony_laptop_input.jog_dev);
470 sony_laptop_input.jog_dev = NULL;
471 }
472
473 destroy_workqueue(sony_laptop_input.wq);
474 kfifo_free(sony_laptop_input.fifo);
475 }
476
477 /*********** Platform Device ***********/
478
479 static atomic_t sony_pf_users = ATOMIC_INIT(0);
480 static struct platform_driver sony_pf_driver = {
481 .driver = {
482 .name = "sony-laptop",
483 .owner = THIS_MODULE,
484 }
485 };
486 static struct platform_device *sony_pf_device;
487
488 static int sony_pf_add(void)
489 {
490 int ret = 0;
491
492 /* don't run again if already initialized */
493 if (atomic_add_return(1, &sony_pf_users) > 1)
494 return 0;
495
496 ret = platform_driver_register(&sony_pf_driver);
497 if (ret)
498 goto out;
499
500 sony_pf_device = platform_device_alloc("sony-laptop", -1);
501 if (!sony_pf_device) {
502 ret = -ENOMEM;
503 goto out_platform_registered;
504 }
505
506 ret = platform_device_add(sony_pf_device);
507 if (ret)
508 goto out_platform_alloced;
509
510 return 0;
511
512 out_platform_alloced:
513 platform_device_put(sony_pf_device);
514 sony_pf_device = NULL;
515 out_platform_registered:
516 platform_driver_unregister(&sony_pf_driver);
517 out:
518 atomic_dec(&sony_pf_users);
519 return ret;
520 }
521
522 static void sony_pf_remove(void)
523 {
524 /* deregister only after the last user has gone */
525 if (!atomic_dec_and_test(&sony_pf_users))
526 return;
527
528 platform_device_del(sony_pf_device);
529 platform_device_put(sony_pf_device);
530 platform_driver_unregister(&sony_pf_driver);
531 }
532
533 /*********** SNC (SNY5001) Device ***********/
534
535 /* the device uses 1-based values, while the backlight subsystem uses
536 0-based values */
537 #define SONY_MAX_BRIGHTNESS 8
538
539 #define SNC_VALIDATE_IN 0
540 #define SNC_VALIDATE_OUT 1
541
542 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
543 char *);
544 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
545 const char *, size_t);
546 static int boolean_validate(const int, const int);
547 static int brightness_default_validate(const int, const int);
548
549 struct sony_nc_value {
550 char *name; /* name of the entry */
551 char **acpiget; /* names of the ACPI get function */
552 char **acpiset; /* names of the ACPI set function */
553 int (*validate)(const int, const int); /* input/output validation */
554 int value; /* current setting */
555 int valid; /* Has ever been set */
556 int debug; /* active only in debug mode ? */
557 struct device_attribute devattr; /* sysfs atribute */
558 };
559
560 #define SNC_HANDLE_NAMES(_name, _values...) \
561 static char *snc_##_name[] = { _values, NULL }
562
563 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
564 { \
565 .name = __stringify(_name), \
566 .acpiget = _getters, \
567 .acpiset = _setters, \
568 .validate = _validate, \
569 .debug = _debug, \
570 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
571 }
572
573 #define SNC_HANDLE_NULL { .name = NULL }
574
575 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
576
577 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
578 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
579
580 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
581 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
582
583 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
584 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
585
586 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
587 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
588
589 SNC_HANDLE_NAMES(lidstate_get, "GLID");
590
591 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
592 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
593
594 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
595 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
596
597 SNC_HANDLE_NAMES(PID_get, "GPID");
598
599 SNC_HANDLE_NAMES(CTR_get, "GCTR");
600 SNC_HANDLE_NAMES(CTR_set, "SCTR");
601
602 SNC_HANDLE_NAMES(PCR_get, "GPCR");
603 SNC_HANDLE_NAMES(PCR_set, "SPCR");
604
605 SNC_HANDLE_NAMES(CMI_get, "GCMI");
606 SNC_HANDLE_NAMES(CMI_set, "SCMI");
607
608 static struct sony_nc_value sony_nc_values[] = {
609 SNC_HANDLE(brightness_default, snc_brightness_def_get,
610 snc_brightness_def_set, brightness_default_validate, 0),
611 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
612 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
613 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
614 boolean_validate, 0),
615 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
616 boolean_validate, 1),
617 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
618 boolean_validate, 0),
619 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
620 boolean_validate, 0),
621 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
622 boolean_validate, 0),
623 /* unknown methods */
624 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
625 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
626 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
627 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
628 SNC_HANDLE_NULL
629 };
630
631 static acpi_handle sony_nc_acpi_handle;
632 static struct acpi_device *sony_nc_acpi_device = NULL;
633
634 /*
635 * acpi_evaluate_object wrappers
636 */
637 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
638 {
639 struct acpi_buffer output;
640 union acpi_object out_obj;
641 acpi_status status;
642
643 output.length = sizeof(out_obj);
644 output.pointer = &out_obj;
645
646 status = acpi_evaluate_object(handle, name, NULL, &output);
647 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
648 *result = out_obj.integer.value;
649 return 0;
650 }
651
652 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
653
654 return -1;
655 }
656
657 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
658 int *result)
659 {
660 struct acpi_object_list params;
661 union acpi_object in_obj;
662 struct acpi_buffer output;
663 union acpi_object out_obj;
664 acpi_status status;
665
666 params.count = 1;
667 params.pointer = &in_obj;
668 in_obj.type = ACPI_TYPE_INTEGER;
669 in_obj.integer.value = value;
670
671 output.length = sizeof(out_obj);
672 output.pointer = &out_obj;
673
674 status = acpi_evaluate_object(handle, name, &params, &output);
675 if (status == AE_OK) {
676 if (result != NULL) {
677 if (out_obj.type != ACPI_TYPE_INTEGER) {
678 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
679 "return type\n");
680 return -1;
681 }
682 *result = out_obj.integer.value;
683 }
684 return 0;
685 }
686
687 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
688
689 return -1;
690 }
691
692 /*
693 * sony_nc_values input/output validate functions
694 */
695
696 /* brightness_default_validate:
697 *
698 * manipulate input output values to keep consistency with the
699 * backlight framework for which brightness values are 0-based.
700 */
701 static int brightness_default_validate(const int direction, const int value)
702 {
703 switch (direction) {
704 case SNC_VALIDATE_OUT:
705 return value - 1;
706 case SNC_VALIDATE_IN:
707 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
708 return value + 1;
709 }
710 return -EINVAL;
711 }
712
713 /* boolean_validate:
714 *
715 * on input validate boolean values 0/1, on output just pass the
716 * received value.
717 */
718 static int boolean_validate(const int direction, const int value)
719 {
720 if (direction == SNC_VALIDATE_IN) {
721 if (value != 0 && value != 1)
722 return -EINVAL;
723 }
724 return value;
725 }
726
727 /*
728 * Sysfs show/store common to all sony_nc_values
729 */
730 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
731 char *buffer)
732 {
733 int value;
734 struct sony_nc_value *item =
735 container_of(attr, struct sony_nc_value, devattr);
736
737 if (!*item->acpiget)
738 return -EIO;
739
740 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
741 return -EIO;
742
743 if (item->validate)
744 value = item->validate(SNC_VALIDATE_OUT, value);
745
746 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
747 }
748
749 static ssize_t sony_nc_sysfs_store(struct device *dev,
750 struct device_attribute *attr,
751 const char *buffer, size_t count)
752 {
753 int value;
754 struct sony_nc_value *item =
755 container_of(attr, struct sony_nc_value, devattr);
756
757 if (!item->acpiset)
758 return -EIO;
759
760 if (count > 31)
761 return -EINVAL;
762
763 value = simple_strtoul(buffer, NULL, 10);
764
765 if (item->validate)
766 value = item->validate(SNC_VALIDATE_IN, value);
767
768 if (value < 0)
769 return value;
770
771 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
772 return -EIO;
773 item->value = value;
774 item->valid = 1;
775 return count;
776 }
777
778
779 /*
780 * Backlight device
781 */
782 static int sony_backlight_update_status(struct backlight_device *bd)
783 {
784 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
785 bd->props.brightness + 1, NULL);
786 }
787
788 static int sony_backlight_get_brightness(struct backlight_device *bd)
789 {
790 int value;
791
792 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
793 return 0;
794 /* brightness levels are 1-based, while backlight ones are 0-based */
795 return value - 1;
796 }
797
798 static struct backlight_device *sony_backlight_device;
799 static struct backlight_ops sony_backlight_ops = {
800 .update_status = sony_backlight_update_status,
801 .get_brightness = sony_backlight_get_brightness,
802 };
803
804 /*
805 * New SNC-only Vaios event mapping to driver known keys
806 */
807 struct sony_nc_event {
808 u8 data;
809 u8 event;
810 };
811
812 static struct sony_nc_event *sony_nc_events;
813
814 /* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence
815 * for Fn keys
816 */
817 static int sony_nc_C_enable(const struct dmi_system_id *id)
818 {
819 int result = 0;
820
821 printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident);
822
823 sony_nc_events = id->driver_data;
824
825 if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0
826 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0
827 || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0
828 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0
829 || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0
830 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) {
831 printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some "
832 "functionalities may be missing\n");
833 return 1;
834 }
835 return 0;
836 }
837
838 static struct sony_nc_event sony_C_events[] = {
839 { 0x81, SONYPI_EVENT_FNKEY_F1 },
840 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
841 { 0x85, SONYPI_EVENT_FNKEY_F5 },
842 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
843 { 0x86, SONYPI_EVENT_FNKEY_F6 },
844 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
845 { 0x87, SONYPI_EVENT_FNKEY_F7 },
846 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
847 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
848 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
849 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
850 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
851 { 0, 0 },
852 };
853
854 /* SNC-only model map */
855 static const struct dmi_system_id sony_nc_ids[] = {
856 {
857 .ident = "Sony Vaio FE Series",
858 .callback = sony_nc_C_enable,
859 .driver_data = sony_C_events,
860 .matches = {
861 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
862 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"),
863 },
864 },
865 {
866 .ident = "Sony Vaio FZ Series",
867 .callback = sony_nc_C_enable,
868 .driver_data = sony_C_events,
869 .matches = {
870 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
871 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"),
872 },
873 },
874 {
875 .ident = "Sony Vaio C Series",
876 .callback = sony_nc_C_enable,
877 .driver_data = sony_C_events,
878 .matches = {
879 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
880 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"),
881 },
882 },
883 {
884 .ident = "Sony Vaio N Series",
885 .callback = sony_nc_C_enable,
886 .driver_data = sony_C_events,
887 .matches = {
888 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
889 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-N"),
890 },
891 },
892 { }
893 };
894
895 /*
896 * ACPI callbacks
897 */
898 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
899 {
900 struct sony_nc_event *evmap;
901 u32 ev = event;
902 int result;
903
904 if (ev == 0x92) {
905 /* read the key pressed from EC.GECR
906 * A call to SN07 with 0x0202 will do it as well respecting
907 * the current protocol on different OSes
908 *
909 * Note: the path for GECR may be
910 * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
911 * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
912 *
913 * TODO: we may want to do the same for the older GHKE -need
914 * dmi list- so this snippet may become one more callback.
915 */
916 if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
917 dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
918 else
919 ev = result & 0xFF;
920 }
921
922 if (sony_nc_events)
923 for (evmap = sony_nc_events; evmap->event; evmap++) {
924 if (evmap->data == ev) {
925 ev = evmap->event;
926 break;
927 }
928 }
929
930 dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
931 sony_laptop_report_input_event(ev);
932 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
933 }
934
935 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
936 void *context, void **return_value)
937 {
938 struct acpi_device_info *info;
939 struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
940
941 if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
942 info = buffer.pointer;
943
944 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
945 (char *)&info->name, info->param_count);
946
947 kfree(buffer.pointer);
948 }
949
950 return AE_OK;
951 }
952
953 /*
954 * ACPI device
955 */
956 static int sony_nc_resume(struct acpi_device *device)
957 {
958 struct sony_nc_value *item;
959
960 for (item = sony_nc_values; item->name; item++) {
961 int ret;
962
963 if (!item->valid)
964 continue;
965 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
966 item->value, NULL);
967 if (ret < 0) {
968 printk("%s: %d\n", __func__, ret);
969 break;
970 }
971 }
972
973 /* set the last requested brightness level */
974 if (sony_backlight_device &&
975 !sony_backlight_update_status(sony_backlight_device))
976 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
977
978 /* re-initialize models with specific requirements */
979 dmi_check_system(sony_nc_ids);
980
981 return 0;
982 }
983
984 static int sony_nc_add(struct acpi_device *device)
985 {
986 acpi_status status;
987 int result = 0;
988 acpi_handle handle;
989 struct sony_nc_value *item;
990
991 printk(KERN_INFO DRV_PFX "%s v%s.\n",
992 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
993
994 sony_nc_acpi_device = device;
995 strcpy(acpi_device_class(device), "sony/hotkey");
996
997 sony_nc_acpi_handle = device->handle;
998
999 /* read device status */
1000 result = acpi_bus_get_status(device);
1001 /* bail IFF the above call was successful and the device is not present */
1002 if (!result && !device->status.present) {
1003 dprintk("Device not present\n");
1004 result = -ENODEV;
1005 goto outwalk;
1006 }
1007
1008 if (debug) {
1009 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1010 1, sony_walk_callback, NULL, NULL);
1011 if (ACPI_FAILURE(status)) {
1012 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1013 result = -ENODEV;
1014 goto outwalk;
1015 }
1016 }
1017
1018 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1019 * should be respected as we already checked for the device presence above */
1020 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1021 dprintk("Invoking _INI\n");
1022 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1023 NULL, NULL)))
1024 dprintk("_INI Method failed\n");
1025 }
1026
1027 /* setup input devices and helper fifo */
1028 result = sony_laptop_setup_input(device);
1029 if (result) {
1030 printk(KERN_ERR DRV_PFX
1031 "Unabe to create input devices.\n");
1032 goto outwalk;
1033 }
1034
1035 status = acpi_install_notify_handler(sony_nc_acpi_handle,
1036 ACPI_DEVICE_NOTIFY,
1037 sony_acpi_notify, NULL);
1038 if (ACPI_FAILURE(status)) {
1039 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1040 result = -ENODEV;
1041 goto outinput;
1042 }
1043
1044 if (acpi_video_backlight_support()) {
1045 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1046 "controlled by ACPI video driver\n");
1047 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1048 &handle))) {
1049 sony_backlight_device = backlight_device_register("sony", NULL,
1050 NULL,
1051 &sony_backlight_ops);
1052
1053 if (IS_ERR(sony_backlight_device)) {
1054 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1055 sony_backlight_device = NULL;
1056 } else {
1057 sony_backlight_device->props.brightness =
1058 sony_backlight_get_brightness
1059 (sony_backlight_device);
1060 sony_backlight_device->props.max_brightness =
1061 SONY_MAX_BRIGHTNESS - 1;
1062 }
1063
1064 }
1065
1066 /* initialize models with specific requirements */
1067 dmi_check_system(sony_nc_ids);
1068
1069 result = sony_pf_add();
1070 if (result)
1071 goto outbacklight;
1072
1073 /* create sony_pf sysfs attributes related to the SNC device */
1074 for (item = sony_nc_values; item->name; ++item) {
1075
1076 if (!debug && item->debug)
1077 continue;
1078
1079 /* find the available acpiget as described in the DSDT */
1080 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1081 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1082 *item->acpiget,
1083 &handle))) {
1084 dprintk("Found %s getter: %s\n",
1085 item->name, *item->acpiget);
1086 item->devattr.attr.mode |= S_IRUGO;
1087 break;
1088 }
1089 }
1090
1091 /* find the available acpiset as described in the DSDT */
1092 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1093 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1094 *item->acpiset,
1095 &handle))) {
1096 dprintk("Found %s setter: %s\n",
1097 item->name, *item->acpiset);
1098 item->devattr.attr.mode |= S_IWUSR;
1099 break;
1100 }
1101 }
1102
1103 if (item->devattr.attr.mode != 0) {
1104 result =
1105 device_create_file(&sony_pf_device->dev,
1106 &item->devattr);
1107 if (result)
1108 goto out_sysfs;
1109 }
1110 }
1111
1112 return 0;
1113
1114 out_sysfs:
1115 for (item = sony_nc_values; item->name; ++item) {
1116 device_remove_file(&sony_pf_device->dev, &item->devattr);
1117 }
1118 sony_pf_remove();
1119
1120 outbacklight:
1121 if (sony_backlight_device)
1122 backlight_device_unregister(sony_backlight_device);
1123
1124 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1125 ACPI_DEVICE_NOTIFY,
1126 sony_acpi_notify);
1127 if (ACPI_FAILURE(status))
1128 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1129
1130 outinput:
1131 sony_laptop_remove_input();
1132
1133 outwalk:
1134 return result;
1135 }
1136
1137 static int sony_nc_remove(struct acpi_device *device, int type)
1138 {
1139 acpi_status status;
1140 struct sony_nc_value *item;
1141
1142 if (sony_backlight_device)
1143 backlight_device_unregister(sony_backlight_device);
1144
1145 sony_nc_acpi_device = NULL;
1146
1147 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1148 ACPI_DEVICE_NOTIFY,
1149 sony_acpi_notify);
1150 if (ACPI_FAILURE(status))
1151 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1152
1153 for (item = sony_nc_values; item->name; ++item) {
1154 device_remove_file(&sony_pf_device->dev, &item->devattr);
1155 }
1156
1157 sony_pf_remove();
1158 sony_laptop_remove_input();
1159 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1160
1161 return 0;
1162 }
1163
1164 static const struct acpi_device_id sony_device_ids[] = {
1165 {SONY_NC_HID, 0},
1166 {SONY_PIC_HID, 0},
1167 {"", 0},
1168 };
1169 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1170
1171 static const struct acpi_device_id sony_nc_device_ids[] = {
1172 {SONY_NC_HID, 0},
1173 {"", 0},
1174 };
1175
1176 static struct acpi_driver sony_nc_driver = {
1177 .name = SONY_NC_DRIVER_NAME,
1178 .class = SONY_NC_CLASS,
1179 .ids = sony_nc_device_ids,
1180 .owner = THIS_MODULE,
1181 .ops = {
1182 .add = sony_nc_add,
1183 .remove = sony_nc_remove,
1184 .resume = sony_nc_resume,
1185 },
1186 };
1187
1188 /*********** SPIC (SNY6001) Device ***********/
1189
1190 #define SONYPI_DEVICE_TYPE1 0x00000001
1191 #define SONYPI_DEVICE_TYPE2 0x00000002
1192 #define SONYPI_DEVICE_TYPE3 0x00000004
1193 #define SONYPI_DEVICE_TYPE4 0x00000008
1194
1195 #define SONYPI_TYPE1_OFFSET 0x04
1196 #define SONYPI_TYPE2_OFFSET 0x12
1197 #define SONYPI_TYPE3_OFFSET 0x12
1198 #define SONYPI_TYPE4_OFFSET 0x12
1199
1200 struct sony_pic_ioport {
1201 struct acpi_resource_io io1;
1202 struct acpi_resource_io io2;
1203 struct list_head list;
1204 };
1205
1206 struct sony_pic_irq {
1207 struct acpi_resource_irq irq;
1208 struct list_head list;
1209 };
1210
1211 struct sonypi_eventtypes {
1212 u8 data;
1213 unsigned long mask;
1214 struct sonypi_event *events;
1215 };
1216
1217 struct device_ctrl {
1218 int model;
1219 int (*handle_irq)(const u8, const u8);
1220 u16 evport_offset;
1221 u8 has_camera;
1222 u8 has_bluetooth;
1223 u8 has_wwan;
1224 struct sonypi_eventtypes *event_types;
1225 };
1226
1227 struct sony_pic_dev {
1228 struct device_ctrl *control;
1229 struct acpi_device *acpi_dev;
1230 struct sony_pic_irq *cur_irq;
1231 struct sony_pic_ioport *cur_ioport;
1232 struct list_head interrupts;
1233 struct list_head ioports;
1234 struct mutex lock;
1235 u8 camera_power;
1236 u8 bluetooth_power;
1237 u8 wwan_power;
1238 };
1239
1240 static struct sony_pic_dev spic_dev = {
1241 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1242 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1243 };
1244
1245 /* Event masks */
1246 #define SONYPI_JOGGER_MASK 0x00000001
1247 #define SONYPI_CAPTURE_MASK 0x00000002
1248 #define SONYPI_FNKEY_MASK 0x00000004
1249 #define SONYPI_BLUETOOTH_MASK 0x00000008
1250 #define SONYPI_PKEY_MASK 0x00000010
1251 #define SONYPI_BACK_MASK 0x00000020
1252 #define SONYPI_HELP_MASK 0x00000040
1253 #define SONYPI_LID_MASK 0x00000080
1254 #define SONYPI_ZOOM_MASK 0x00000100
1255 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1256 #define SONYPI_MEYE_MASK 0x00000400
1257 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1258 #define SONYPI_BATTERY_MASK 0x00001000
1259 #define SONYPI_WIRELESS_MASK 0x00002000
1260
1261 struct sonypi_event {
1262 u8 data;
1263 u8 event;
1264 };
1265
1266 /* The set of possible button release events */
1267 static struct sonypi_event sonypi_releaseev[] = {
1268 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1269 { 0, 0 }
1270 };
1271
1272 /* The set of possible jogger events */
1273 static struct sonypi_event sonypi_joggerev[] = {
1274 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1275 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1276 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1277 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1278 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1279 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1280 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1281 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1282 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1283 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1284 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1285 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1286 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1287 { 0, 0 }
1288 };
1289
1290 /* The set of possible capture button events */
1291 static struct sonypi_event sonypi_captureev[] = {
1292 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1293 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1294 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1295 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1296 { 0, 0 }
1297 };
1298
1299 /* The set of possible fnkeys events */
1300 static struct sonypi_event sonypi_fnkeyev[] = {
1301 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1302 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1303 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1304 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1305 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1306 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1307 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1308 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1309 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1310 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1311 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1312 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1313 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1314 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1315 { 0x21, SONYPI_EVENT_FNKEY_1 },
1316 { 0x22, SONYPI_EVENT_FNKEY_2 },
1317 { 0x31, SONYPI_EVENT_FNKEY_D },
1318 { 0x32, SONYPI_EVENT_FNKEY_E },
1319 { 0x33, SONYPI_EVENT_FNKEY_F },
1320 { 0x34, SONYPI_EVENT_FNKEY_S },
1321 { 0x35, SONYPI_EVENT_FNKEY_B },
1322 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1323 { 0, 0 }
1324 };
1325
1326 /* The set of possible program key events */
1327 static struct sonypi_event sonypi_pkeyev[] = {
1328 { 0x01, SONYPI_EVENT_PKEY_P1 },
1329 { 0x02, SONYPI_EVENT_PKEY_P2 },
1330 { 0x04, SONYPI_EVENT_PKEY_P3 },
1331 { 0, 0 }
1332 };
1333
1334 /* The set of possible bluetooth events */
1335 static struct sonypi_event sonypi_blueev[] = {
1336 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1337 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1338 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1339 { 0, 0 }
1340 };
1341
1342 /* The set of possible wireless events */
1343 static struct sonypi_event sonypi_wlessev[] = {
1344 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1345 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1346 { 0, 0 }
1347 };
1348
1349 /* The set of possible back button events */
1350 static struct sonypi_event sonypi_backev[] = {
1351 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1352 { 0, 0 }
1353 };
1354
1355 /* The set of possible help button events */
1356 static struct sonypi_event sonypi_helpev[] = {
1357 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1358 { 0, 0 }
1359 };
1360
1361
1362 /* The set of possible lid events */
1363 static struct sonypi_event sonypi_lidev[] = {
1364 { 0x51, SONYPI_EVENT_LID_CLOSED },
1365 { 0x50, SONYPI_EVENT_LID_OPENED },
1366 { 0, 0 }
1367 };
1368
1369 /* The set of possible zoom events */
1370 static struct sonypi_event sonypi_zoomev[] = {
1371 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1372 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1373 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1374 { 0, 0 }
1375 };
1376
1377 /* The set of possible thumbphrase events */
1378 static struct sonypi_event sonypi_thumbphraseev[] = {
1379 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1380 { 0, 0 }
1381 };
1382
1383 /* The set of possible motioneye camera events */
1384 static struct sonypi_event sonypi_meyeev[] = {
1385 { 0x00, SONYPI_EVENT_MEYE_FACE },
1386 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1387 { 0, 0 }
1388 };
1389
1390 /* The set of possible memorystick events */
1391 static struct sonypi_event sonypi_memorystickev[] = {
1392 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1393 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1394 { 0, 0 }
1395 };
1396
1397 /* The set of possible battery events */
1398 static struct sonypi_event sonypi_batteryev[] = {
1399 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1400 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1401 { 0, 0 }
1402 };
1403
1404 static struct sonypi_eventtypes type1_events[] = {
1405 { 0, 0xffffffff, sonypi_releaseev },
1406 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1407 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1408 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1409 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1410 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1411 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1412 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1413 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1414 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1415 { 0 },
1416 };
1417 static struct sonypi_eventtypes type2_events[] = {
1418 { 0, 0xffffffff, sonypi_releaseev },
1419 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1420 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1421 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1422 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1423 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1424 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1425 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1426 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1427 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1428 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1429 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1430 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1431 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1432 { 0 },
1433 };
1434 static struct sonypi_eventtypes type3_events[] = {
1435 { 0, 0xffffffff, sonypi_releaseev },
1436 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1437 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1438 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1439 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1440 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1441 { 0 },
1442 };
1443 static struct sonypi_eventtypes type4_events[] = {
1444 { 0, 0xffffffff, sonypi_releaseev },
1445 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1446 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1447 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1448 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1449 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1450 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1451 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1452 { 0 },
1453 };
1454
1455 /* low level spic calls */
1456 #define ITERATIONS_LONG 10000
1457 #define ITERATIONS_SHORT 10
1458 #define wait_on_command(command, iterations) { \
1459 unsigned int n = iterations; \
1460 while (--n && (command)) \
1461 udelay(1); \
1462 if (!n) \
1463 dprintk("command failed at %s : %s (line %d)\n", \
1464 __FILE__, __func__, __LINE__); \
1465 }
1466
1467 static u8 sony_pic_call1(u8 dev)
1468 {
1469 u8 v1, v2;
1470
1471 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1472 ITERATIONS_LONG);
1473 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1474 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1475 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1476 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1477 return v2;
1478 }
1479
1480 static u8 sony_pic_call2(u8 dev, u8 fn)
1481 {
1482 u8 v1;
1483
1484 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1485 ITERATIONS_LONG);
1486 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1487 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1488 ITERATIONS_LONG);
1489 outb(fn, spic_dev.cur_ioport->io1.minimum);
1490 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1491 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1492 return v1;
1493 }
1494
1495 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1496 {
1497 u8 v1;
1498
1499 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1500 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1501 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1502 outb(fn, spic_dev.cur_ioport->io1.minimum);
1503 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1504 outb(v, spic_dev.cur_ioport->io1.minimum);
1505 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1506 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1507 dev, fn, v, v1);
1508 return v1;
1509 }
1510
1511 /*
1512 * minidrivers for SPIC models
1513 */
1514 static int type4_handle_irq(const u8 data_mask, const u8 ev)
1515 {
1516 /*
1517 * 0x31 could mean we have to take some extra action and wait for
1518 * the next irq for some Type4 models, it will generate a new
1519 * irq and we can read new data from the device:
1520 * - 0x5c and 0x5f requires 0xA0
1521 * - 0x61 requires 0xB3
1522 */
1523 if (data_mask == 0x31) {
1524 if (ev == 0x5c || ev == 0x5f)
1525 sony_pic_call1(0xA0);
1526 else if (ev == 0x61)
1527 sony_pic_call1(0xB3);
1528 return 0;
1529 }
1530 return 1;
1531 }
1532
1533 static struct device_ctrl spic_types[] = {
1534 {
1535 .model = SONYPI_DEVICE_TYPE1,
1536 .handle_irq = NULL,
1537 .evport_offset = SONYPI_TYPE1_OFFSET,
1538 .event_types = type1_events,
1539 },
1540 {
1541 .model = SONYPI_DEVICE_TYPE2,
1542 .handle_irq = NULL,
1543 .evport_offset = SONYPI_TYPE2_OFFSET,
1544 .event_types = type2_events,
1545 },
1546 {
1547 .model = SONYPI_DEVICE_TYPE3,
1548 .handle_irq = NULL,
1549 .evport_offset = SONYPI_TYPE3_OFFSET,
1550 .event_types = type3_events,
1551 },
1552 {
1553 .model = SONYPI_DEVICE_TYPE4,
1554 .handle_irq = type4_handle_irq,
1555 .evport_offset = SONYPI_TYPE4_OFFSET,
1556 .event_types = type4_events,
1557 },
1558 };
1559
1560 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1561 {
1562 struct pci_dev *pcidev;
1563
1564 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1565 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1566 if (pcidev) {
1567 dev->control = &spic_types[0];
1568 goto out;
1569 }
1570
1571 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1572 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1573 if (pcidev) {
1574 dev->control = &spic_types[2];
1575 goto out;
1576 }
1577
1578 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1579 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1580 if (pcidev) {
1581 dev->control = &spic_types[3];
1582 goto out;
1583 }
1584
1585 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1586 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1587 if (pcidev) {
1588 dev->control = &spic_types[3];
1589 goto out;
1590 }
1591
1592 /* default */
1593 dev->control = &spic_types[1];
1594
1595 out:
1596 if (pcidev)
1597 pci_dev_put(pcidev);
1598
1599 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1600 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1601 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
1602 dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
1603 }
1604
1605 /* camera tests and poweron/poweroff */
1606 #define SONYPI_CAMERA_PICTURE 5
1607 #define SONYPI_CAMERA_CONTROL 0x10
1608
1609 #define SONYPI_CAMERA_BRIGHTNESS 0
1610 #define SONYPI_CAMERA_CONTRAST 1
1611 #define SONYPI_CAMERA_HUE 2
1612 #define SONYPI_CAMERA_COLOR 3
1613 #define SONYPI_CAMERA_SHARPNESS 4
1614
1615 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1616 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1617 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1618 #define SONYPI_CAMERA_MUTE_MASK 0x40
1619
1620 /* the rest don't need a loop until not 0xff */
1621 #define SONYPI_CAMERA_AGC 6
1622 #define SONYPI_CAMERA_AGC_MASK 0x30
1623 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1624
1625 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1626 #define SONYPI_CAMERA_CONTROL 0x10
1627
1628 #define SONYPI_CAMERA_STATUS 7
1629 #define SONYPI_CAMERA_STATUS_READY 0x2
1630 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1631
1632 #define SONYPI_DIRECTION_BACKWARDS 0x4
1633
1634 #define SONYPI_CAMERA_REVISION 8
1635 #define SONYPI_CAMERA_ROMVERSION 9
1636
1637 static int __sony_pic_camera_ready(void)
1638 {
1639 u8 v;
1640
1641 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1642 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1643 }
1644
1645 static int __sony_pic_camera_off(void)
1646 {
1647 if (!camera) {
1648 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1649 return -ENODEV;
1650 }
1651
1652 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1653 SONYPI_CAMERA_MUTE_MASK),
1654 ITERATIONS_SHORT);
1655
1656 if (spic_dev.camera_power) {
1657 sony_pic_call2(0x91, 0);
1658 spic_dev.camera_power = 0;
1659 }
1660 return 0;
1661 }
1662
1663 static int __sony_pic_camera_on(void)
1664 {
1665 int i, j, x;
1666
1667 if (!camera) {
1668 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1669 return -ENODEV;
1670 }
1671
1672 if (spic_dev.camera_power)
1673 return 0;
1674
1675 for (j = 5; j > 0; j--) {
1676
1677 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1678 msleep(10);
1679 sony_pic_call1(0x93);
1680
1681 for (i = 400; i > 0; i--) {
1682 if (__sony_pic_camera_ready())
1683 break;
1684 msleep(10);
1685 }
1686 if (i)
1687 break;
1688 }
1689
1690 if (j == 0) {
1691 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1692 return -ENODEV;
1693 }
1694
1695 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1696 0x5a),
1697 ITERATIONS_SHORT);
1698
1699 spic_dev.camera_power = 1;
1700 return 0;
1701 }
1702
1703 /* External camera command (exported to the motion eye v4l driver) */
1704 int sony_pic_camera_command(int command, u8 value)
1705 {
1706 if (!camera)
1707 return -EIO;
1708
1709 mutex_lock(&spic_dev.lock);
1710
1711 switch (command) {
1712 case SONY_PIC_COMMAND_SETCAMERA:
1713 if (value)
1714 __sony_pic_camera_on();
1715 else
1716 __sony_pic_camera_off();
1717 break;
1718 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1719 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1720 ITERATIONS_SHORT);
1721 break;
1722 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1723 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1724 ITERATIONS_SHORT);
1725 break;
1726 case SONY_PIC_COMMAND_SETCAMERAHUE:
1727 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1728 ITERATIONS_SHORT);
1729 break;
1730 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1731 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1732 ITERATIONS_SHORT);
1733 break;
1734 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1735 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1736 ITERATIONS_SHORT);
1737 break;
1738 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1739 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1740 ITERATIONS_SHORT);
1741 break;
1742 case SONY_PIC_COMMAND_SETCAMERAAGC:
1743 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1744 ITERATIONS_SHORT);
1745 break;
1746 default:
1747 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1748 command);
1749 break;
1750 }
1751 mutex_unlock(&spic_dev.lock);
1752 return 0;
1753 }
1754 EXPORT_SYMBOL(sony_pic_camera_command);
1755
1756 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1757 static void sony_pic_set_wwanpower(u8 state)
1758 {
1759 state = !!state;
1760 mutex_lock(&spic_dev.lock);
1761 if (spic_dev.wwan_power == state) {
1762 mutex_unlock(&spic_dev.lock);
1763 return;
1764 }
1765 sony_pic_call2(0xB0, state);
1766 spic_dev.wwan_power = state;
1767 mutex_unlock(&spic_dev.lock);
1768 }
1769
1770 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1771 struct device_attribute *attr,
1772 const char *buffer, size_t count)
1773 {
1774 unsigned long value;
1775 if (count > 31)
1776 return -EINVAL;
1777
1778 value = simple_strtoul(buffer, NULL, 10);
1779 sony_pic_set_wwanpower(value);
1780
1781 return count;
1782 }
1783
1784 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1785 struct device_attribute *attr, char *buffer)
1786 {
1787 ssize_t count;
1788 mutex_lock(&spic_dev.lock);
1789 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1790 mutex_unlock(&spic_dev.lock);
1791 return count;
1792 }
1793
1794 /* bluetooth subsystem power state */
1795 static void __sony_pic_set_bluetoothpower(u8 state)
1796 {
1797 state = !!state;
1798 if (spic_dev.bluetooth_power == state)
1799 return;
1800 sony_pic_call2(0x96, state);
1801 sony_pic_call1(0x82);
1802 spic_dev.bluetooth_power = state;
1803 }
1804
1805 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1806 struct device_attribute *attr,
1807 const char *buffer, size_t count)
1808 {
1809 unsigned long value;
1810 if (count > 31)
1811 return -EINVAL;
1812
1813 value = simple_strtoul(buffer, NULL, 10);
1814 mutex_lock(&spic_dev.lock);
1815 __sony_pic_set_bluetoothpower(value);
1816 mutex_unlock(&spic_dev.lock);
1817
1818 return count;
1819 }
1820
1821 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1822 struct device_attribute *attr, char *buffer)
1823 {
1824 ssize_t count = 0;
1825 mutex_lock(&spic_dev.lock);
1826 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
1827 mutex_unlock(&spic_dev.lock);
1828 return count;
1829 }
1830
1831 /* fan speed */
1832 /* FAN0 information (reverse engineered from ACPI tables) */
1833 #define SONY_PIC_FAN0_STATUS 0x93
1834 static int sony_pic_set_fanspeed(unsigned long value)
1835 {
1836 return ec_write(SONY_PIC_FAN0_STATUS, value);
1837 }
1838
1839 static int sony_pic_get_fanspeed(u8 *value)
1840 {
1841 return ec_read(SONY_PIC_FAN0_STATUS, value);
1842 }
1843
1844 static ssize_t sony_pic_fanspeed_store(struct device *dev,
1845 struct device_attribute *attr,
1846 const char *buffer, size_t count)
1847 {
1848 unsigned long value;
1849 if (count > 31)
1850 return -EINVAL;
1851
1852 value = simple_strtoul(buffer, NULL, 10);
1853 if (sony_pic_set_fanspeed(value))
1854 return -EIO;
1855
1856 return count;
1857 }
1858
1859 static ssize_t sony_pic_fanspeed_show(struct device *dev,
1860 struct device_attribute *attr, char *buffer)
1861 {
1862 u8 value = 0;
1863 if (sony_pic_get_fanspeed(&value))
1864 return -EIO;
1865
1866 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
1867 }
1868
1869 #define SPIC_ATTR(_name, _mode) \
1870 struct device_attribute spic_attr_##_name = __ATTR(_name, \
1871 _mode, sony_pic_## _name ##_show, \
1872 sony_pic_## _name ##_store)
1873
1874 static SPIC_ATTR(bluetoothpower, 0644);
1875 static SPIC_ATTR(wwanpower, 0644);
1876 static SPIC_ATTR(fanspeed, 0644);
1877
1878 static struct attribute *spic_attributes[] = {
1879 &spic_attr_bluetoothpower.attr,
1880 &spic_attr_wwanpower.attr,
1881 &spic_attr_fanspeed.attr,
1882 NULL
1883 };
1884
1885 static struct attribute_group spic_attribute_group = {
1886 .attrs = spic_attributes
1887 };
1888
1889 /******** SONYPI compatibility **********/
1890 #ifdef CONFIG_SONYPI_COMPAT
1891
1892 /* battery / brightness / temperature addresses */
1893 #define SONYPI_BAT_FLAGS 0x81
1894 #define SONYPI_LCD_LIGHT 0x96
1895 #define SONYPI_BAT1_PCTRM 0xa0
1896 #define SONYPI_BAT1_LEFT 0xa2
1897 #define SONYPI_BAT1_MAXRT 0xa4
1898 #define SONYPI_BAT2_PCTRM 0xa8
1899 #define SONYPI_BAT2_LEFT 0xaa
1900 #define SONYPI_BAT2_MAXRT 0xac
1901 #define SONYPI_BAT1_MAXTK 0xb0
1902 #define SONYPI_BAT1_FULL 0xb2
1903 #define SONYPI_BAT2_MAXTK 0xb8
1904 #define SONYPI_BAT2_FULL 0xba
1905 #define SONYPI_TEMP_STATUS 0xC1
1906
1907 struct sonypi_compat_s {
1908 struct fasync_struct *fifo_async;
1909 struct kfifo *fifo;
1910 spinlock_t fifo_lock;
1911 wait_queue_head_t fifo_proc_list;
1912 atomic_t open_count;
1913 };
1914 static struct sonypi_compat_s sonypi_compat = {
1915 .open_count = ATOMIC_INIT(0),
1916 };
1917
1918 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
1919 {
1920 int retval;
1921
1922 retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
1923 if (retval < 0)
1924 return retval;
1925 return 0;
1926 }
1927
1928 static int sonypi_misc_release(struct inode *inode, struct file *file)
1929 {
1930 atomic_dec(&sonypi_compat.open_count);
1931 return 0;
1932 }
1933
1934 static int sonypi_misc_open(struct inode *inode, struct file *file)
1935 {
1936 /* Flush input queue on first open */
1937 lock_kernel();
1938 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
1939 kfifo_reset(sonypi_compat.fifo);
1940 unlock_kernel();
1941 return 0;
1942 }
1943
1944 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
1945 size_t count, loff_t *pos)
1946 {
1947 ssize_t ret;
1948 unsigned char c;
1949
1950 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
1951 (file->f_flags & O_NONBLOCK))
1952 return -EAGAIN;
1953
1954 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
1955 kfifo_len(sonypi_compat.fifo) != 0);
1956 if (ret)
1957 return ret;
1958
1959 while (ret < count &&
1960 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
1961 if (put_user(c, buf++))
1962 return -EFAULT;
1963 ret++;
1964 }
1965
1966 if (ret > 0) {
1967 struct inode *inode = file->f_path.dentry->d_inode;
1968 inode->i_atime = current_fs_time(inode->i_sb);
1969 }
1970
1971 return ret;
1972 }
1973
1974 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
1975 {
1976 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
1977 if (kfifo_len(sonypi_compat.fifo))
1978 return POLLIN | POLLRDNORM;
1979 return 0;
1980 }
1981
1982 static int ec_read16(u8 addr, u16 *value)
1983 {
1984 u8 val_lb, val_hb;
1985 if (ec_read(addr, &val_lb))
1986 return -1;
1987 if (ec_read(addr + 1, &val_hb))
1988 return -1;
1989 *value = val_lb | (val_hb << 8);
1990 return 0;
1991 }
1992
1993 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
1994 unsigned int cmd, unsigned long arg)
1995 {
1996 int ret = 0;
1997 void __user *argp = (void __user *)arg;
1998 u8 val8;
1999 u16 val16;
2000 int value;
2001
2002 mutex_lock(&spic_dev.lock);
2003 switch (cmd) {
2004 case SONYPI_IOCGBRT:
2005 if (sony_backlight_device == NULL) {
2006 ret = -EIO;
2007 break;
2008 }
2009 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2010 ret = -EIO;
2011 break;
2012 }
2013 val8 = ((value & 0xff) - 1) << 5;
2014 if (copy_to_user(argp, &val8, sizeof(val8)))
2015 ret = -EFAULT;
2016 break;
2017 case SONYPI_IOCSBRT:
2018 if (sony_backlight_device == NULL) {
2019 ret = -EIO;
2020 break;
2021 }
2022 if (copy_from_user(&val8, argp, sizeof(val8))) {
2023 ret = -EFAULT;
2024 break;
2025 }
2026 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2027 (val8 >> 5) + 1, NULL)) {
2028 ret = -EIO;
2029 break;
2030 }
2031 /* sync the backlight device status */
2032 sony_backlight_device->props.brightness =
2033 sony_backlight_get_brightness(sony_backlight_device);
2034 break;
2035 case SONYPI_IOCGBAT1CAP:
2036 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2037 ret = -EIO;
2038 break;
2039 }
2040 if (copy_to_user(argp, &val16, sizeof(val16)))
2041 ret = -EFAULT;
2042 break;
2043 case SONYPI_IOCGBAT1REM:
2044 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2045 ret = -EIO;
2046 break;
2047 }
2048 if (copy_to_user(argp, &val16, sizeof(val16)))
2049 ret = -EFAULT;
2050 break;
2051 case SONYPI_IOCGBAT2CAP:
2052 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2053 ret = -EIO;
2054 break;
2055 }
2056 if (copy_to_user(argp, &val16, sizeof(val16)))
2057 ret = -EFAULT;
2058 break;
2059 case SONYPI_IOCGBAT2REM:
2060 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2061 ret = -EIO;
2062 break;
2063 }
2064 if (copy_to_user(argp, &val16, sizeof(val16)))
2065 ret = -EFAULT;
2066 break;
2067 case SONYPI_IOCGBATFLAGS:
2068 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2069 ret = -EIO;
2070 break;
2071 }
2072 val8 &= 0x07;
2073 if (copy_to_user(argp, &val8, sizeof(val8)))
2074 ret = -EFAULT;
2075 break;
2076 case SONYPI_IOCGBLUE:
2077 val8 = spic_dev.bluetooth_power;
2078 if (copy_to_user(argp, &val8, sizeof(val8)))
2079 ret = -EFAULT;
2080 break;
2081 case SONYPI_IOCSBLUE:
2082 if (copy_from_user(&val8, argp, sizeof(val8))) {
2083 ret = -EFAULT;
2084 break;
2085 }
2086 __sony_pic_set_bluetoothpower(val8);
2087 break;
2088 /* FAN Controls */
2089 case SONYPI_IOCGFAN:
2090 if (sony_pic_get_fanspeed(&val8)) {
2091 ret = -EIO;
2092 break;
2093 }
2094 if (copy_to_user(argp, &val8, sizeof(val8)))
2095 ret = -EFAULT;
2096 break;
2097 case SONYPI_IOCSFAN:
2098 if (copy_from_user(&val8, argp, sizeof(val8))) {
2099 ret = -EFAULT;
2100 break;
2101 }
2102 if (sony_pic_set_fanspeed(val8))
2103 ret = -EIO;
2104 break;
2105 /* GET Temperature (useful under APM) */
2106 case SONYPI_IOCGTEMP:
2107 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2108 ret = -EIO;
2109 break;
2110 }
2111 if (copy_to_user(argp, &val8, sizeof(val8)))
2112 ret = -EFAULT;
2113 break;
2114 default:
2115 ret = -EINVAL;
2116 }
2117 mutex_unlock(&spic_dev.lock);
2118 return ret;
2119 }
2120
2121 static const struct file_operations sonypi_misc_fops = {
2122 .owner = THIS_MODULE,
2123 .read = sonypi_misc_read,
2124 .poll = sonypi_misc_poll,
2125 .open = sonypi_misc_open,
2126 .release = sonypi_misc_release,
2127 .fasync = sonypi_misc_fasync,
2128 .ioctl = sonypi_misc_ioctl,
2129 };
2130
2131 static struct miscdevice sonypi_misc_device = {
2132 .minor = MISC_DYNAMIC_MINOR,
2133 .name = "sonypi",
2134 .fops = &sonypi_misc_fops,
2135 };
2136
2137 static void sonypi_compat_report_event(u8 event)
2138 {
2139 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2140 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2141 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2142 }
2143
2144 static int sonypi_compat_init(void)
2145 {
2146 int error;
2147
2148 spin_lock_init(&sonypi_compat.fifo_lock);
2149 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2150 &sonypi_compat.fifo_lock);
2151 if (IS_ERR(sonypi_compat.fifo)) {
2152 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2153 return PTR_ERR(sonypi_compat.fifo);
2154 }
2155
2156 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2157
2158 if (minor != -1)
2159 sonypi_misc_device.minor = minor;
2160 error = misc_register(&sonypi_misc_device);
2161 if (error) {
2162 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2163 goto err_free_kfifo;
2164 }
2165 if (minor == -1)
2166 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2167 sonypi_misc_device.minor);
2168
2169 return 0;
2170
2171 err_free_kfifo:
2172 kfifo_free(sonypi_compat.fifo);
2173 return error;
2174 }
2175
2176 static void sonypi_compat_exit(void)
2177 {
2178 misc_deregister(&sonypi_misc_device);
2179 kfifo_free(sonypi_compat.fifo);
2180 }
2181 #else
2182 static int sonypi_compat_init(void) { return 0; }
2183 static void sonypi_compat_exit(void) { }
2184 static void sonypi_compat_report_event(u8 event) { }
2185 #endif /* CONFIG_SONYPI_COMPAT */
2186
2187 /*
2188 * ACPI callbacks
2189 */
2190 static acpi_status
2191 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2192 {
2193 u32 i;
2194 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2195
2196 switch (resource->type) {
2197 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2198 {
2199 /* start IO enumeration */
2200 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2201 if (!ioport)
2202 return AE_ERROR;
2203
2204 list_add(&ioport->list, &dev->ioports);
2205 return AE_OK;
2206 }
2207
2208 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2209 /* end IO enumeration */
2210 return AE_OK;
2211
2212 case ACPI_RESOURCE_TYPE_IRQ:
2213 {
2214 struct acpi_resource_irq *p = &resource->data.irq;
2215 struct sony_pic_irq *interrupt = NULL;
2216 if (!p || !p->interrupt_count) {
2217 /*
2218 * IRQ descriptors may have no IRQ# bits set,
2219 * particularly those those w/ _STA disabled
2220 */
2221 dprintk("Blank IRQ resource\n");
2222 return AE_OK;
2223 }
2224 for (i = 0; i < p->interrupt_count; i++) {
2225 if (!p->interrupts[i]) {
2226 printk(KERN_WARNING DRV_PFX
2227 "Invalid IRQ %d\n",
2228 p->interrupts[i]);
2229 continue;
2230 }
2231 interrupt = kzalloc(sizeof(*interrupt),
2232 GFP_KERNEL);
2233 if (!interrupt)
2234 return AE_ERROR;
2235
2236 list_add(&interrupt->list, &dev->interrupts);
2237 interrupt->irq.triggering = p->triggering;
2238 interrupt->irq.polarity = p->polarity;
2239 interrupt->irq.sharable = p->sharable;
2240 interrupt->irq.interrupt_count = 1;
2241 interrupt->irq.interrupts[0] = p->interrupts[i];
2242 }
2243 return AE_OK;
2244 }
2245 case ACPI_RESOURCE_TYPE_IO:
2246 {
2247 struct acpi_resource_io *io = &resource->data.io;
2248 struct sony_pic_ioport *ioport =
2249 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2250 if (!io) {
2251 dprintk("Blank IO resource\n");
2252 return AE_OK;
2253 }
2254
2255 if (!ioport->io1.minimum) {
2256 memcpy(&ioport->io1, io, sizeof(*io));
2257 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2258 ioport->io1.address_length);
2259 }
2260 else if (!ioport->io2.minimum) {
2261 memcpy(&ioport->io2, io, sizeof(*io));
2262 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2263 ioport->io2.address_length);
2264 }
2265 else {
2266 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2267 return AE_ERROR;
2268 }
2269 return AE_OK;
2270 }
2271 default:
2272 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2273 resource->type);
2274
2275 case ACPI_RESOURCE_TYPE_END_TAG:
2276 return AE_OK;
2277 }
2278 return AE_CTRL_TERMINATE;
2279 }
2280
2281 static int sony_pic_possible_resources(struct acpi_device *device)
2282 {
2283 int result = 0;
2284 acpi_status status = AE_OK;
2285
2286 if (!device)
2287 return -EINVAL;
2288
2289 /* get device status */
2290 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2291 dprintk("Evaluating _STA\n");
2292 result = acpi_bus_get_status(device);
2293 if (result) {
2294 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2295 goto end;
2296 }
2297
2298 if (!device->status.enabled)
2299 dprintk("Device disabled\n");
2300 else
2301 dprintk("Device enabled\n");
2302
2303 /*
2304 * Query and parse 'method'
2305 */
2306 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2307 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2308 sony_pic_read_possible_resource, &spic_dev);
2309 if (ACPI_FAILURE(status)) {
2310 printk(KERN_WARNING DRV_PFX
2311 "Failure evaluating %s\n",
2312 METHOD_NAME__PRS);
2313 result = -ENODEV;
2314 }
2315 end:
2316 return result;
2317 }
2318
2319 /*
2320 * Disable the spic device by calling its _DIS method
2321 */
2322 static int sony_pic_disable(struct acpi_device *device)
2323 {
2324 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2325 NULL);
2326
2327 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2328 return -ENXIO;
2329
2330 dprintk("Device disabled\n");
2331 return 0;
2332 }
2333
2334
2335 /*
2336 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2337 *
2338 * Call _SRS to set current resources
2339 */
2340 static int sony_pic_enable(struct acpi_device *device,
2341 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2342 {
2343 acpi_status status;
2344 int result = 0;
2345 /* Type 1 resource layout is:
2346 * IO
2347 * IO
2348 * IRQNoFlags
2349 * End
2350 *
2351 * Type 2 and 3 resource layout is:
2352 * IO
2353 * IRQNoFlags
2354 * End
2355 */
2356 struct {
2357 struct acpi_resource res1;
2358 struct acpi_resource res2;
2359 struct acpi_resource res3;
2360 struct acpi_resource res4;
2361 } *resource;
2362 struct acpi_buffer buffer = { 0, NULL };
2363
2364 if (!ioport || !irq)
2365 return -EINVAL;
2366
2367 /* init acpi_buffer */
2368 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2369 if (!resource)
2370 return -ENOMEM;
2371
2372 buffer.length = sizeof(*resource) + 1;
2373 buffer.pointer = resource;
2374
2375 /* setup Type 1 resources */
2376 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2377
2378 /* setup io resources */
2379 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2380 resource->res1.length = sizeof(struct acpi_resource);
2381 memcpy(&resource->res1.data.io, &ioport->io1,
2382 sizeof(struct acpi_resource_io));
2383
2384 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2385 resource->res2.length = sizeof(struct acpi_resource);
2386 memcpy(&resource->res2.data.io, &ioport->io2,
2387 sizeof(struct acpi_resource_io));
2388
2389 /* setup irq resource */
2390 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2391 resource->res3.length = sizeof(struct acpi_resource);
2392 memcpy(&resource->res3.data.irq, &irq->irq,
2393 sizeof(struct acpi_resource_irq));
2394 /* we requested a shared irq */
2395 resource->res3.data.irq.sharable = ACPI_SHARED;
2396
2397 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2398
2399 }
2400 /* setup Type 2/3 resources */
2401 else {
2402 /* setup io resource */
2403 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2404 resource->res1.length = sizeof(struct acpi_resource);
2405 memcpy(&resource->res1.data.io, &ioport->io1,
2406 sizeof(struct acpi_resource_io));
2407
2408 /* setup irq resource */
2409 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2410 resource->res2.length = sizeof(struct acpi_resource);
2411 memcpy(&resource->res2.data.irq, &irq->irq,
2412 sizeof(struct acpi_resource_irq));
2413 /* we requested a shared irq */
2414 resource->res2.data.irq.sharable = ACPI_SHARED;
2415
2416 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2417 }
2418
2419 /* Attempt to set the resource */
2420 dprintk("Evaluating _SRS\n");
2421 status = acpi_set_current_resources(device->handle, &buffer);
2422
2423 /* check for total failure */
2424 if (ACPI_FAILURE(status)) {
2425 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2426 result = -ENODEV;
2427 goto end;
2428 }
2429
2430 /* Necessary device initializations calls (from sonypi) */
2431 sony_pic_call1(0x82);
2432 sony_pic_call2(0x81, 0xff);
2433 sony_pic_call1(compat ? 0x92 : 0x82);
2434
2435 end:
2436 kfree(resource);
2437 return result;
2438 }
2439
2440 /*****************
2441 *
2442 * ISR: some event is available
2443 *
2444 *****************/
2445 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2446 {
2447 int i, j;
2448 u8 ev = 0;
2449 u8 data_mask = 0;
2450 u8 device_event = 0;
2451
2452 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2453
2454 ev = inb_p(dev->cur_ioport->io1.minimum);
2455 if (dev->cur_ioport->io2.minimum)
2456 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2457 else
2458 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2459 dev->control->evport_offset);
2460
2461 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2462 ev, data_mask, dev->cur_ioport->io1.minimum,
2463 dev->control->evport_offset);
2464
2465 if (ev == 0x00 || ev == 0xff)
2466 return IRQ_HANDLED;
2467
2468 for (i = 0; dev->control->event_types[i].mask; i++) {
2469
2470 if ((data_mask & dev->control->event_types[i].data) !=
2471 dev->control->event_types[i].data)
2472 continue;
2473
2474 if (!(mask & dev->control->event_types[i].mask))
2475 continue;
2476
2477 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2478 if (ev == dev->control->event_types[i].events[j].data) {
2479 device_event =
2480 dev->control->
2481 event_types[i].events[j].event;
2482 goto found;
2483 }
2484 }
2485 }
2486 /* Still not able to decode the event try to pass
2487 * it over to the minidriver
2488 */
2489 if (dev->control->handle_irq &&
2490 dev->control->handle_irq(data_mask, ev) == 0)
2491 return IRQ_HANDLED;
2492
2493 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2494 ev, data_mask, dev->cur_ioport->io1.minimum,
2495 dev->control->evport_offset);
2496 return IRQ_HANDLED;
2497
2498 found:
2499 sony_laptop_report_input_event(device_event);
2500 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2501 sonypi_compat_report_event(device_event);
2502
2503 return IRQ_HANDLED;
2504 }
2505
2506 /*****************
2507 *
2508 * ACPI driver
2509 *
2510 *****************/
2511 static int sony_pic_remove(struct acpi_device *device, int type)
2512 {
2513 struct sony_pic_ioport *io, *tmp_io;
2514 struct sony_pic_irq *irq, *tmp_irq;
2515
2516 if (sony_pic_disable(device)) {
2517 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2518 return -ENXIO;
2519 }
2520
2521 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2522 release_region(spic_dev.cur_ioport->io1.minimum,
2523 spic_dev.cur_ioport->io1.address_length);
2524 if (spic_dev.cur_ioport->io2.minimum)
2525 release_region(spic_dev.cur_ioport->io2.minimum,
2526 spic_dev.cur_ioport->io2.address_length);
2527
2528 sonypi_compat_exit();
2529
2530 sony_laptop_remove_input();
2531
2532 /* pf attrs */
2533 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2534 sony_pf_remove();
2535
2536 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2537 list_del(&io->list);
2538 kfree(io);
2539 }
2540 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2541 list_del(&irq->list);
2542 kfree(irq);
2543 }
2544 spic_dev.cur_ioport = NULL;
2545 spic_dev.cur_irq = NULL;
2546
2547 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2548 return 0;
2549 }
2550
2551 static int sony_pic_add(struct acpi_device *device)
2552 {
2553 int result;
2554 struct sony_pic_ioport *io, *tmp_io;
2555 struct sony_pic_irq *irq, *tmp_irq;
2556
2557 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2558 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2559
2560 spic_dev.acpi_dev = device;
2561 strcpy(acpi_device_class(device), "sony/hotkey");
2562 sony_pic_detect_device_type(&spic_dev);
2563 mutex_init(&spic_dev.lock);
2564
2565 /* read _PRS resources */
2566 result = sony_pic_possible_resources(device);
2567 if (result) {
2568 printk(KERN_ERR DRV_PFX
2569 "Unabe to read possible resources.\n");
2570 goto err_free_resources;
2571 }
2572
2573 /* setup input devices and helper fifo */
2574 result = sony_laptop_setup_input(device);
2575 if (result) {
2576 printk(KERN_ERR DRV_PFX
2577 "Unabe to create input devices.\n");
2578 goto err_free_resources;
2579 }
2580
2581 if (sonypi_compat_init())
2582 goto err_remove_input;
2583
2584 /* request io port */
2585 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2586 if (request_region(io->io1.minimum, io->io1.address_length,
2587 "Sony Programable I/O Device")) {
2588 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2589 io->io1.minimum, io->io1.maximum,
2590 io->io1.address_length);
2591 /* Type 1 have 2 ioports */
2592 if (io->io2.minimum) {
2593 if (request_region(io->io2.minimum,
2594 io->io2.address_length,
2595 "Sony Programable I/O Device")) {
2596 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2597 io->io2.minimum, io->io2.maximum,
2598 io->io2.address_length);
2599 spic_dev.cur_ioport = io;
2600 break;
2601 }
2602 else {
2603 dprintk("Unable to get I/O port2: "
2604 "0x%.4x (0x%.4x) + 0x%.2x\n",
2605 io->io2.minimum, io->io2.maximum,
2606 io->io2.address_length);
2607 release_region(io->io1.minimum,
2608 io->io1.address_length);
2609 }
2610 }
2611 else {
2612 spic_dev.cur_ioport = io;
2613 break;
2614 }
2615 }
2616 }
2617 if (!spic_dev.cur_ioport) {
2618 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2619 result = -ENODEV;
2620 goto err_remove_compat;
2621 }
2622
2623 /* request IRQ */
2624 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2625 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2626 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2627 dprintk("IRQ: %d - triggering: %d - "
2628 "polarity: %d - shr: %d\n",
2629 irq->irq.interrupts[0],
2630 irq->irq.triggering,
2631 irq->irq.polarity,
2632 irq->irq.sharable);
2633 spic_dev.cur_irq = irq;
2634 break;
2635 }
2636 }
2637 if (!spic_dev.cur_irq) {
2638 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2639 result = -ENODEV;
2640 goto err_release_region;
2641 }
2642
2643 /* set resource status _SRS */
2644 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2645 if (result) {
2646 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2647 goto err_free_irq;
2648 }
2649
2650 spic_dev.bluetooth_power = -1;
2651 /* create device attributes */
2652 result = sony_pf_add();
2653 if (result)
2654 goto err_disable_device;
2655
2656 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2657 if (result)
2658 goto err_remove_pf;
2659
2660 return 0;
2661
2662 err_remove_pf:
2663 sony_pf_remove();
2664
2665 err_disable_device:
2666 sony_pic_disable(device);
2667
2668 err_free_irq:
2669 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2670
2671 err_release_region:
2672 release_region(spic_dev.cur_ioport->io1.minimum,
2673 spic_dev.cur_ioport->io1.address_length);
2674 if (spic_dev.cur_ioport->io2.minimum)
2675 release_region(spic_dev.cur_ioport->io2.minimum,
2676 spic_dev.cur_ioport->io2.address_length);
2677
2678 err_remove_compat:
2679 sonypi_compat_exit();
2680
2681 err_remove_input:
2682 sony_laptop_remove_input();
2683
2684 err_free_resources:
2685 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2686 list_del(&io->list);
2687 kfree(io);
2688 }
2689 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2690 list_del(&irq->list);
2691 kfree(irq);
2692 }
2693 spic_dev.cur_ioport = NULL;
2694 spic_dev.cur_irq = NULL;
2695
2696 return result;
2697 }
2698
2699 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2700 {
2701 if (sony_pic_disable(device))
2702 return -ENXIO;
2703 return 0;
2704 }
2705
2706 static int sony_pic_resume(struct acpi_device *device)
2707 {
2708 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2709 return 0;
2710 }
2711
2712 static const struct acpi_device_id sony_pic_device_ids[] = {
2713 {SONY_PIC_HID, 0},
2714 {"", 0},
2715 };
2716
2717 static struct acpi_driver sony_pic_driver = {
2718 .name = SONY_PIC_DRIVER_NAME,
2719 .class = SONY_PIC_CLASS,
2720 .ids = sony_pic_device_ids,
2721 .owner = THIS_MODULE,
2722 .ops = {
2723 .add = sony_pic_add,
2724 .remove = sony_pic_remove,
2725 .suspend = sony_pic_suspend,
2726 .resume = sony_pic_resume,
2727 },
2728 };
2729
2730 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2731 {
2732 .ident = "Sony Vaio",
2733 .matches = {
2734 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2735 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2736 },
2737 },
2738 {
2739 .ident = "Sony Vaio",
2740 .matches = {
2741 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2742 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2743 },
2744 },
2745 { }
2746 };
2747
2748 static int __init sony_laptop_init(void)
2749 {
2750 int result;
2751
2752 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2753 result = acpi_bus_register_driver(&sony_pic_driver);
2754 if (result) {
2755 printk(KERN_ERR DRV_PFX
2756 "Unable to register SPIC driver.");
2757 goto out;
2758 }
2759 }
2760
2761 result = acpi_bus_register_driver(&sony_nc_driver);
2762 if (result) {
2763 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2764 goto out_unregister_pic;
2765 }
2766
2767 return 0;
2768
2769 out_unregister_pic:
2770 if (!no_spic)
2771 acpi_bus_unregister_driver(&sony_pic_driver);
2772 out:
2773 return result;
2774 }
2775
2776 static void __exit sony_laptop_exit(void)
2777 {
2778 acpi_bus_unregister_driver(&sony_nc_driver);
2779 if (!no_spic)
2780 acpi_bus_unregister_driver(&sony_pic_driver);
2781 }
2782
2783 module_init(sony_laptop_init);
2784 module_exit(sony_laptop_exit);
Nao low-level kernelspace/userspace library that runs on our robots, Nao-Team HTWK