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kfifo: move struct kfifo in place
[linux-2.6/btrfs-unstable.git] / drivers / platform / x86 / sony-laptop.c
blob04625a048e74059ad50c8b5e36e8f0efc82c52fa
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 error =
389 kfifo_alloc(&sony_laptop_input.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
390 &sony_laptop_input.fifo_lock);
391 if (error) {
392 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
393 goto err_dec_users;
394 }
395
396 /* init workqueue */
397 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
398 if (!sony_laptop_input.wq) {
399 printk(KERN_ERR DRV_PFX
400 "Unable to create workqueue.\n");
401 error = -ENXIO;
402 goto err_free_kfifo;
403 }
404
405 /* input keys */
406 key_dev = input_allocate_device();
407 if (!key_dev) {
408 error = -ENOMEM;
409 goto err_destroy_wq;
410 }
411
412 key_dev->name = "Sony Vaio Keys";
413 key_dev->id.bustype = BUS_ISA;
414 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
415 key_dev->dev.parent = &acpi_device->dev;
416
417 /* Initialize the Input Drivers: special keys */
418 set_bit(EV_KEY, key_dev->evbit);
419 set_bit(EV_MSC, key_dev->evbit);
420 set_bit(MSC_SCAN, key_dev->mscbit);
421 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
422 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
423 key_dev->keycode = &sony_laptop_input_keycode_map;
424 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
425 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
426 set_bit(sony_laptop_input_keycode_map[i],
427 key_dev->keybit);
428 }
429 }
430
431 error = input_register_device(key_dev);
432 if (error)
433 goto err_free_keydev;
434
435 sony_laptop_input.key_dev = key_dev;
436
437 /* jogdial */
438 jog_dev = input_allocate_device();
439 if (!jog_dev) {
440 error = -ENOMEM;
441 goto err_unregister_keydev;
442 }
443
444 jog_dev->name = "Sony Vaio Jogdial";
445 jog_dev->id.bustype = BUS_ISA;
446 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
447 key_dev->dev.parent = &acpi_device->dev;
448
449 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
450 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
451 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
452
453 error = input_register_device(jog_dev);
454 if (error)
455 goto err_free_jogdev;
456
457 sony_laptop_input.jog_dev = jog_dev;
458
459 return 0;
460
461 err_free_jogdev:
462 input_free_device(jog_dev);
463
464 err_unregister_keydev:
465 input_unregister_device(key_dev);
466 /* to avoid kref underflow below at input_free_device */
467 key_dev = NULL;
468
469 err_free_keydev:
470 input_free_device(key_dev);
471
472 err_destroy_wq:
473 destroy_workqueue(sony_laptop_input.wq);
474
475 err_free_kfifo:
476 kfifo_free(&sony_laptop_input.fifo);
477
478 err_dec_users:
479 atomic_dec(&sony_laptop_input.users);
480 return error;
481 }
482
483 static void sony_laptop_remove_input(void)
484 {
485 /* cleanup only after the last user has gone */
486 if (!atomic_dec_and_test(&sony_laptop_input.users))
487 return;
488
489 /* flush workqueue first */
490 flush_workqueue(sony_laptop_input.wq);
491
492 /* destroy input devs */
493 input_unregister_device(sony_laptop_input.key_dev);
494 sony_laptop_input.key_dev = NULL;
495
496 if (sony_laptop_input.jog_dev) {
497 input_unregister_device(sony_laptop_input.jog_dev);
498 sony_laptop_input.jog_dev = NULL;
499 }
500
501 destroy_workqueue(sony_laptop_input.wq);
502 kfifo_free(&sony_laptop_input.fifo);
503 }
504
505 /*********** Platform Device ***********/
506
507 static atomic_t sony_pf_users = ATOMIC_INIT(0);
508 static struct platform_driver sony_pf_driver = {
509 .driver = {
510 .name = "sony-laptop",
511 .owner = THIS_MODULE,
512 }
513 };
514 static struct platform_device *sony_pf_device;
515
516 static int sony_pf_add(void)
517 {
518 int ret = 0;
519
520 /* don't run again if already initialized */
521 if (atomic_add_return(1, &sony_pf_users) > 1)
522 return 0;
523
524 ret = platform_driver_register(&sony_pf_driver);
525 if (ret)
526 goto out;
527
528 sony_pf_device = platform_device_alloc("sony-laptop", -1);
529 if (!sony_pf_device) {
530 ret = -ENOMEM;
531 goto out_platform_registered;
532 }
533
534 ret = platform_device_add(sony_pf_device);
535 if (ret)
536 goto out_platform_alloced;
537
538 return 0;
539
540 out_platform_alloced:
541 platform_device_put(sony_pf_device);
542 sony_pf_device = NULL;
543 out_platform_registered:
544 platform_driver_unregister(&sony_pf_driver);
545 out:
546 atomic_dec(&sony_pf_users);
547 return ret;
548 }
549
550 static void sony_pf_remove(void)
551 {
552 /* deregister only after the last user has gone */
553 if (!atomic_dec_and_test(&sony_pf_users))
554 return;
555
556 platform_device_del(sony_pf_device);
557 platform_device_put(sony_pf_device);
558 platform_driver_unregister(&sony_pf_driver);
559 }
560
561 /*********** SNC (SNY5001) Device ***********/
562
563 /* the device uses 1-based values, while the backlight subsystem uses
564 0-based values */
565 #define SONY_MAX_BRIGHTNESS 8
566
567 #define SNC_VALIDATE_IN 0
568 #define SNC_VALIDATE_OUT 1
569
570 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
571 char *);
572 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
573 const char *, size_t);
574 static int boolean_validate(const int, const int);
575 static int brightness_default_validate(const int, const int);
576
577 struct sony_nc_value {
578 char *name; /* name of the entry */
579 char **acpiget; /* names of the ACPI get function */
580 char **acpiset; /* names of the ACPI set function */
581 int (*validate)(const int, const int); /* input/output validation */
582 int value; /* current setting */
583 int valid; /* Has ever been set */
584 int debug; /* active only in debug mode ? */
585 struct device_attribute devattr; /* sysfs atribute */
586 };
587
588 #define SNC_HANDLE_NAMES(_name, _values...) \
589 static char *snc_##_name[] = { _values, NULL }
590
591 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
592 { \
593 .name = __stringify(_name), \
594 .acpiget = _getters, \
595 .acpiset = _setters, \
596 .validate = _validate, \
597 .debug = _debug, \
598 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
599 }
600
601 #define SNC_HANDLE_NULL { .name = NULL }
602
603 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
604
605 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
606 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
607
608 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
609 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
610
611 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
612 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
613
614 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
615 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
616
617 SNC_HANDLE_NAMES(lidstate_get, "GLID");
618
619 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
620 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
621
622 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
623 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
624
625 SNC_HANDLE_NAMES(PID_get, "GPID");
626
627 SNC_HANDLE_NAMES(CTR_get, "GCTR");
628 SNC_HANDLE_NAMES(CTR_set, "SCTR");
629
630 SNC_HANDLE_NAMES(PCR_get, "GPCR");
631 SNC_HANDLE_NAMES(PCR_set, "SPCR");
632
633 SNC_HANDLE_NAMES(CMI_get, "GCMI");
634 SNC_HANDLE_NAMES(CMI_set, "SCMI");
635
636 static struct sony_nc_value sony_nc_values[] = {
637 SNC_HANDLE(brightness_default, snc_brightness_def_get,
638 snc_brightness_def_set, brightness_default_validate, 0),
639 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
640 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
641 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
642 boolean_validate, 0),
643 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
644 boolean_validate, 1),
645 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
646 boolean_validate, 0),
647 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
648 boolean_validate, 0),
649 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
650 boolean_validate, 0),
651 /* unknown methods */
652 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
653 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
654 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
655 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
656 SNC_HANDLE_NULL
657 };
658
659 static acpi_handle sony_nc_acpi_handle;
660 static struct acpi_device *sony_nc_acpi_device = NULL;
661
662 /*
663 * acpi_evaluate_object wrappers
664 */
665 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
666 {
667 struct acpi_buffer output;
668 union acpi_object out_obj;
669 acpi_status status;
670
671 output.length = sizeof(out_obj);
672 output.pointer = &out_obj;
673
674 status = acpi_evaluate_object(handle, name, NULL, &output);
675 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
676 *result = out_obj.integer.value;
677 return 0;
678 }
679
680 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
681
682 return -1;
683 }
684
685 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
686 int *result)
687 {
688 struct acpi_object_list params;
689 union acpi_object in_obj;
690 struct acpi_buffer output;
691 union acpi_object out_obj;
692 acpi_status status;
693
694 params.count = 1;
695 params.pointer = &in_obj;
696 in_obj.type = ACPI_TYPE_INTEGER;
697 in_obj.integer.value = value;
698
699 output.length = sizeof(out_obj);
700 output.pointer = &out_obj;
701
702 status = acpi_evaluate_object(handle, name, &params, &output);
703 if (status == AE_OK) {
704 if (result != NULL) {
705 if (out_obj.type != ACPI_TYPE_INTEGER) {
706 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
707 "return type\n");
708 return -1;
709 }
710 *result = out_obj.integer.value;
711 }
712 return 0;
713 }
714
715 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
716
717 return -1;
718 }
719
720 static int sony_find_snc_handle(int handle)
721 {
722 int i;
723 int result;
724
725 for (i = 0x20; i < 0x30; i++) {
726 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
727 if (result == handle)
728 return i-0x20;
729 }
730
731 return -1;
732 }
733
734 static int sony_call_snc_handle(int handle, int argument, int *result)
735 {
736 int offset = sony_find_snc_handle(handle);
737
738 if (offset < 0)
739 return -1;
740
741 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
742 result);
743 }
744
745 /*
746 * sony_nc_values input/output validate functions
747 */
748
749 /* brightness_default_validate:
750 *
751 * manipulate input output values to keep consistency with the
752 * backlight framework for which brightness values are 0-based.
753 */
754 static int brightness_default_validate(const int direction, const int value)
755 {
756 switch (direction) {
757 case SNC_VALIDATE_OUT:
758 return value - 1;
759 case SNC_VALIDATE_IN:
760 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
761 return value + 1;
762 }
763 return -EINVAL;
764 }
765
766 /* boolean_validate:
767 *
768 * on input validate boolean values 0/1, on output just pass the
769 * received value.
770 */
771 static int boolean_validate(const int direction, const int value)
772 {
773 if (direction == SNC_VALIDATE_IN) {
774 if (value != 0 && value != 1)
775 return -EINVAL;
776 }
777 return value;
778 }
779
780 /*
781 * Sysfs show/store common to all sony_nc_values
782 */
783 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
784 char *buffer)
785 {
786 int value;
787 struct sony_nc_value *item =
788 container_of(attr, struct sony_nc_value, devattr);
789
790 if (!*item->acpiget)
791 return -EIO;
792
793 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
794 return -EIO;
795
796 if (item->validate)
797 value = item->validate(SNC_VALIDATE_OUT, value);
798
799 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
800 }
801
802 static ssize_t sony_nc_sysfs_store(struct device *dev,
803 struct device_attribute *attr,
804 const char *buffer, size_t count)
805 {
806 int value;
807 struct sony_nc_value *item =
808 container_of(attr, struct sony_nc_value, devattr);
809
810 if (!item->acpiset)
811 return -EIO;
812
813 if (count > 31)
814 return -EINVAL;
815
816 value = simple_strtoul(buffer, NULL, 10);
817
818 if (item->validate)
819 value = item->validate(SNC_VALIDATE_IN, value);
820
821 if (value < 0)
822 return value;
823
824 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
825 return -EIO;
826 item->value = value;
827 item->valid = 1;
828 return count;
829 }
830
831
832 /*
833 * Backlight device
834 */
835 static int sony_backlight_update_status(struct backlight_device *bd)
836 {
837 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
838 bd->props.brightness + 1, NULL);
839 }
840
841 static int sony_backlight_get_brightness(struct backlight_device *bd)
842 {
843 int value;
844
845 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
846 return 0;
847 /* brightness levels are 1-based, while backlight ones are 0-based */
848 return value - 1;
849 }
850
851 static struct backlight_device *sony_backlight_device;
852 static struct backlight_ops sony_backlight_ops = {
853 .update_status = sony_backlight_update_status,
854 .get_brightness = sony_backlight_get_brightness,
855 };
856
857 /*
858 * New SNC-only Vaios event mapping to driver known keys
859 */
860 struct sony_nc_event {
861 u8 data;
862 u8 event;
863 };
864
865 static struct sony_nc_event sony_100_events[] = {
866 { 0x90, SONYPI_EVENT_PKEY_P1 },
867 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
868 { 0x91, SONYPI_EVENT_PKEY_P2 },
869 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
870 { 0x81, SONYPI_EVENT_FNKEY_F1 },
871 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
872 { 0x82, SONYPI_EVENT_FNKEY_F2 },
873 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
874 { 0x83, SONYPI_EVENT_FNKEY_F3 },
875 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
876 { 0x84, SONYPI_EVENT_FNKEY_F4 },
877 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
878 { 0x85, SONYPI_EVENT_FNKEY_F5 },
879 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
880 { 0x86, SONYPI_EVENT_FNKEY_F6 },
881 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
882 { 0x87, SONYPI_EVENT_FNKEY_F7 },
883 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
884 { 0x89, SONYPI_EVENT_FNKEY_F9 },
885 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
886 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
887 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
888 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
889 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
890 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
891 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
892 { 0, 0 },
893 };
894
895 static struct sony_nc_event sony_127_events[] = {
896 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
897 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
898 { 0x82, SONYPI_EVENT_PKEY_P1 },
899 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
900 { 0x83, SONYPI_EVENT_PKEY_P2 },
901 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
902 { 0x84, SONYPI_EVENT_PKEY_P3 },
903 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
904 { 0x85, SONYPI_EVENT_PKEY_P4 },
905 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
906 { 0x86, SONYPI_EVENT_PKEY_P5 },
907 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
908 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
909 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
910 { 0, 0 },
911 };
912
913 /*
914 * ACPI callbacks
915 */
916 static void sony_nc_notify(struct acpi_device *device, u32 event)
917 {
918 u32 ev = event;
919
920 if (ev >= 0x90) {
921 /* New-style event */
922 int result;
923 int key_handle = 0;
924 ev -= 0x90;
925
926 if (sony_find_snc_handle(0x100) == ev)
927 key_handle = 0x100;
928 if (sony_find_snc_handle(0x127) == ev)
929 key_handle = 0x127;
930
931 if (key_handle) {
932 struct sony_nc_event *key_event;
933
934 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
935 dprintk("sony_nc_notify, unable to decode"
936 " event 0x%.2x 0x%.2x\n", key_handle,
937 ev);
938 /* restore the original event */
939 ev = event;
940 } else {
941 ev = result & 0xFF;
942
943 if (key_handle == 0x100)
944 key_event = sony_100_events;
945 else
946 key_event = sony_127_events;
947
948 for (; key_event->data; key_event++) {
949 if (key_event->data == ev) {
950 ev = key_event->event;
951 break;
952 }
953 }
954
955 if (!key_event->data)
956 printk(KERN_INFO DRV_PFX
957 "Unknown event: 0x%x 0x%x\n",
958 key_handle,
959 ev);
960 else
961 sony_laptop_report_input_event(ev);
962 }
963 } else if (sony_find_snc_handle(0x124) == ev) {
964 sony_nc_rfkill_update();
965 return;
966 }
967 } else
968 sony_laptop_report_input_event(ev);
969
970 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
971 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
972 }
973
974 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
975 void *context, void **return_value)
976 {
977 struct acpi_device_info *info;
978
979 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
980 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
981 (char *)&info->name, info->param_count);
982
983 kfree(info);
984 }
985
986 return AE_OK;
987 }
988
989 /*
990 * ACPI device
991 */
992 static int sony_nc_function_setup(struct acpi_device *device)
993 {
994 int result;
995
996 /* Enable all events */
997 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
998
999 /* Setup hotkeys */
1000 sony_call_snc_handle(0x0100, 0, &result);
1001 sony_call_snc_handle(0x0101, 0, &result);
1002 sony_call_snc_handle(0x0102, 0x100, &result);
1003 sony_call_snc_handle(0x0127, 0, &result);
1004
1005 return 0;
1006 }
1007
1008 static int sony_nc_resume(struct acpi_device *device)
1009 {
1010 struct sony_nc_value *item;
1011 acpi_handle handle;
1012
1013 for (item = sony_nc_values; item->name; item++) {
1014 int ret;
1015
1016 if (!item->valid)
1017 continue;
1018 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1019 item->value, NULL);
1020 if (ret < 0) {
1021 printk("%s: %d\n", __func__, ret);
1022 break;
1023 }
1024 }
1025
1026 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1027 &handle))) {
1028 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1029 dprintk("ECON Method failed\n");
1030 }
1031
1032 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1033 &handle))) {
1034 dprintk("Doing SNC setup\n");
1035 sony_nc_function_setup(device);
1036 }
1037
1038 /* set the last requested brightness level */
1039 if (sony_backlight_device &&
1040 sony_backlight_update_status(sony_backlight_device) < 0)
1041 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1042
1043 /* re-read rfkill state */
1044 sony_nc_rfkill_update();
1045
1046 return 0;
1047 }
1048
1049 static void sony_nc_rfkill_cleanup(void)
1050 {
1051 int i;
1052
1053 for (i = 0; i < N_SONY_RFKILL; i++) {
1054 if (sony_rfkill_devices[i]) {
1055 rfkill_unregister(sony_rfkill_devices[i]);
1056 rfkill_destroy(sony_rfkill_devices[i]);
1057 }
1058 }
1059 }
1060
1061 static int sony_nc_rfkill_set(void *data, bool blocked)
1062 {
1063 int result;
1064 int argument = sony_rfkill_address[(long) data] + 0x100;
1065
1066 if (!blocked)
1067 argument |= 0xff0000;
1068
1069 return sony_call_snc_handle(0x124, argument, &result);
1070 }
1071
1072 static const struct rfkill_ops sony_rfkill_ops = {
1073 .set_block = sony_nc_rfkill_set,
1074 };
1075
1076 static int sony_nc_setup_rfkill(struct acpi_device *device,
1077 enum sony_nc_rfkill nc_type)
1078 {
1079 int err = 0;
1080 struct rfkill *rfk;
1081 enum rfkill_type type;
1082 const char *name;
1083 int result;
1084 bool hwblock;
1085
1086 switch (nc_type) {
1087 case SONY_WIFI:
1088 type = RFKILL_TYPE_WLAN;
1089 name = "sony-wifi";
1090 break;
1091 case SONY_BLUETOOTH:
1092 type = RFKILL_TYPE_BLUETOOTH;
1093 name = "sony-bluetooth";
1094 break;
1095 case SONY_WWAN:
1096 type = RFKILL_TYPE_WWAN;
1097 name = "sony-wwan";
1098 break;
1099 case SONY_WIMAX:
1100 type = RFKILL_TYPE_WIMAX;
1101 name = "sony-wimax";
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106
1107 rfk = rfkill_alloc(name, &device->dev, type,
1108 &sony_rfkill_ops, (void *)nc_type);
1109 if (!rfk)
1110 return -ENOMEM;
1111
1112 sony_call_snc_handle(0x124, 0x200, &result);
1113 hwblock = !(result & 0x1);
1114 rfkill_set_hw_state(rfk, hwblock);
1115
1116 err = rfkill_register(rfk);
1117 if (err) {
1118 rfkill_destroy(rfk);
1119 return err;
1120 }
1121 sony_rfkill_devices[nc_type] = rfk;
1122 return err;
1123 }
1124
1125 static void sony_nc_rfkill_update()
1126 {
1127 enum sony_nc_rfkill i;
1128 int result;
1129 bool hwblock;
1130
1131 sony_call_snc_handle(0x124, 0x200, &result);
1132 hwblock = !(result & 0x1);
1133
1134 for (i = 0; i < N_SONY_RFKILL; i++) {
1135 int argument = sony_rfkill_address[i];
1136
1137 if (!sony_rfkill_devices[i])
1138 continue;
1139
1140 if (hwblock) {
1141 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1142 /* we already know we're blocked */
1143 }
1144 continue;
1145 }
1146
1147 sony_call_snc_handle(0x124, argument, &result);
1148 rfkill_set_states(sony_rfkill_devices[i],
1149 !(result & 0xf), false);
1150 }
1151 }
1152
1153 static int sony_nc_rfkill_setup(struct acpi_device *device)
1154 {
1155 int result, ret;
1156
1157 if (sony_find_snc_handle(0x124) == -1)
1158 return -1;
1159
1160 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1161 if (ret) {
1162 printk(KERN_INFO DRV_PFX
1163 "Unable to enumerate rfkill devices: %x\n", ret);
1164 return ret;
1165 }
1166
1167 if (result & 0x1)
1168 sony_nc_setup_rfkill(device, SONY_WIFI);
1169 if (result & 0x2)
1170 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1171 if (result & 0x1c)
1172 sony_nc_setup_rfkill(device, SONY_WWAN);
1173 if (result & 0x20)
1174 sony_nc_setup_rfkill(device, SONY_WIMAX);
1175
1176 return 0;
1177 }
1178
1179 static int sony_nc_add(struct acpi_device *device)
1180 {
1181 acpi_status status;
1182 int result = 0;
1183 acpi_handle handle;
1184 struct sony_nc_value *item;
1185
1186 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1187 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1188
1189 sony_nc_acpi_device = device;
1190 strcpy(acpi_device_class(device), "sony/hotkey");
1191
1192 sony_nc_acpi_handle = device->handle;
1193
1194 /* read device status */
1195 result = acpi_bus_get_status(device);
1196 /* bail IFF the above call was successful and the device is not present */
1197 if (!result && !device->status.present) {
1198 dprintk("Device not present\n");
1199 result = -ENODEV;
1200 goto outwalk;
1201 }
1202
1203 if (debug) {
1204 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1205 1, sony_walk_callback, NULL, NULL, NULL);
1206 if (ACPI_FAILURE(status)) {
1207 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1208 result = -ENODEV;
1209 goto outwalk;
1210 }
1211 }
1212
1213 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1214 &handle))) {
1215 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1216 dprintk("ECON Method failed\n");
1217 }
1218
1219 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1220 &handle))) {
1221 dprintk("Doing SNC setup\n");
1222 sony_nc_function_setup(device);
1223 sony_nc_rfkill_setup(device);
1224 }
1225
1226 /* setup input devices and helper fifo */
1227 result = sony_laptop_setup_input(device);
1228 if (result) {
1229 printk(KERN_ERR DRV_PFX
1230 "Unable to create input devices.\n");
1231 goto outwalk;
1232 }
1233
1234 if (acpi_video_backlight_support()) {
1235 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1236 "controlled by ACPI video driver\n");
1237 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1238 &handle))) {
1239 sony_backlight_device = backlight_device_register("sony", NULL,
1240 NULL,
1241 &sony_backlight_ops);
1242
1243 if (IS_ERR(sony_backlight_device)) {
1244 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1245 sony_backlight_device = NULL;
1246 } else {
1247 sony_backlight_device->props.brightness =
1248 sony_backlight_get_brightness
1249 (sony_backlight_device);
1250 sony_backlight_device->props.max_brightness =
1251 SONY_MAX_BRIGHTNESS - 1;
1252 }
1253
1254 }
1255
1256 result = sony_pf_add();
1257 if (result)
1258 goto outbacklight;
1259
1260 /* create sony_pf sysfs attributes related to the SNC device */
1261 for (item = sony_nc_values; item->name; ++item) {
1262
1263 if (!debug && item->debug)
1264 continue;
1265
1266 /* find the available acpiget as described in the DSDT */
1267 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1268 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1269 *item->acpiget,
1270 &handle))) {
1271 dprintk("Found %s getter: %s\n",
1272 item->name, *item->acpiget);
1273 item->devattr.attr.mode |= S_IRUGO;
1274 break;
1275 }
1276 }
1277
1278 /* find the available acpiset as described in the DSDT */
1279 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1280 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1281 *item->acpiset,
1282 &handle))) {
1283 dprintk("Found %s setter: %s\n",
1284 item->name, *item->acpiset);
1285 item->devattr.attr.mode |= S_IWUSR;
1286 break;
1287 }
1288 }
1289
1290 if (item->devattr.attr.mode != 0) {
1291 result =
1292 device_create_file(&sony_pf_device->dev,
1293 &item->devattr);
1294 if (result)
1295 goto out_sysfs;
1296 }
1297 }
1298
1299 return 0;
1300
1301 out_sysfs:
1302 for (item = sony_nc_values; item->name; ++item) {
1303 device_remove_file(&sony_pf_device->dev, &item->devattr);
1304 }
1305 sony_pf_remove();
1306
1307 outbacklight:
1308 if (sony_backlight_device)
1309 backlight_device_unregister(sony_backlight_device);
1310
1311 sony_laptop_remove_input();
1312
1313 outwalk:
1314 sony_nc_rfkill_cleanup();
1315 return result;
1316 }
1317
1318 static int sony_nc_remove(struct acpi_device *device, int type)
1319 {
1320 struct sony_nc_value *item;
1321
1322 if (sony_backlight_device)
1323 backlight_device_unregister(sony_backlight_device);
1324
1325 sony_nc_acpi_device = NULL;
1326
1327 for (item = sony_nc_values; item->name; ++item) {
1328 device_remove_file(&sony_pf_device->dev, &item->devattr);
1329 }
1330
1331 sony_pf_remove();
1332 sony_laptop_remove_input();
1333 sony_nc_rfkill_cleanup();
1334 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1335
1336 return 0;
1337 }
1338
1339 static const struct acpi_device_id sony_device_ids[] = {
1340 {SONY_NC_HID, 0},
1341 {SONY_PIC_HID, 0},
1342 {"", 0},
1343 };
1344 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1345
1346 static const struct acpi_device_id sony_nc_device_ids[] = {
1347 {SONY_NC_HID, 0},
1348 {"", 0},
1349 };
1350
1351 static struct acpi_driver sony_nc_driver = {
1352 .name = SONY_NC_DRIVER_NAME,
1353 .class = SONY_NC_CLASS,
1354 .ids = sony_nc_device_ids,
1355 .owner = THIS_MODULE,
1356 .ops = {
1357 .add = sony_nc_add,
1358 .remove = sony_nc_remove,
1359 .resume = sony_nc_resume,
1360 .notify = sony_nc_notify,
1361 },
1362 };
1363
1364 /*********** SPIC (SNY6001) Device ***********/
1365
1366 #define SONYPI_DEVICE_TYPE1 0x00000001
1367 #define SONYPI_DEVICE_TYPE2 0x00000002
1368 #define SONYPI_DEVICE_TYPE3 0x00000004
1369 #define SONYPI_DEVICE_TYPE4 0x00000008
1370
1371 #define SONYPI_TYPE1_OFFSET 0x04
1372 #define SONYPI_TYPE2_OFFSET 0x12
1373 #define SONYPI_TYPE3_OFFSET 0x12
1374
1375 struct sony_pic_ioport {
1376 struct acpi_resource_io io1;
1377 struct acpi_resource_io io2;
1378 struct list_head list;
1379 };
1380
1381 struct sony_pic_irq {
1382 struct acpi_resource_irq irq;
1383 struct list_head list;
1384 };
1385
1386 struct sonypi_eventtypes {
1387 u8 data;
1388 unsigned long mask;
1389 struct sonypi_event *events;
1390 };
1391
1392 struct sony_pic_dev {
1393 struct acpi_device *acpi_dev;
1394 struct sony_pic_irq *cur_irq;
1395 struct sony_pic_ioport *cur_ioport;
1396 struct list_head interrupts;
1397 struct list_head ioports;
1398 struct mutex lock;
1399 struct sonypi_eventtypes *event_types;
1400 int (*handle_irq)(const u8, const u8);
1401 int model;
1402 u16 evport_offset;
1403 u8 camera_power;
1404 u8 bluetooth_power;
1405 u8 wwan_power;
1406 };
1407
1408 static struct sony_pic_dev spic_dev = {
1409 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1410 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1411 };
1412
1413 static int spic_drv_registered;
1414
1415 /* Event masks */
1416 #define SONYPI_JOGGER_MASK 0x00000001
1417 #define SONYPI_CAPTURE_MASK 0x00000002
1418 #define SONYPI_FNKEY_MASK 0x00000004
1419 #define SONYPI_BLUETOOTH_MASK 0x00000008
1420 #define SONYPI_PKEY_MASK 0x00000010
1421 #define SONYPI_BACK_MASK 0x00000020
1422 #define SONYPI_HELP_MASK 0x00000040
1423 #define SONYPI_LID_MASK 0x00000080
1424 #define SONYPI_ZOOM_MASK 0x00000100
1425 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1426 #define SONYPI_MEYE_MASK 0x00000400
1427 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1428 #define SONYPI_BATTERY_MASK 0x00001000
1429 #define SONYPI_WIRELESS_MASK 0x00002000
1430
1431 struct sonypi_event {
1432 u8 data;
1433 u8 event;
1434 };
1435
1436 /* The set of possible button release events */
1437 static struct sonypi_event sonypi_releaseev[] = {
1438 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1439 { 0, 0 }
1440 };
1441
1442 /* The set of possible jogger events */
1443 static struct sonypi_event sonypi_joggerev[] = {
1444 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1445 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1446 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1447 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1448 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1449 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1450 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1451 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1452 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1453 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1454 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1455 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1456 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1457 { 0, 0 }
1458 };
1459
1460 /* The set of possible capture button events */
1461 static struct sonypi_event sonypi_captureev[] = {
1462 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1463 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1464 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1465 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1466 { 0, 0 }
1467 };
1468
1469 /* The set of possible fnkeys events */
1470 static struct sonypi_event sonypi_fnkeyev[] = {
1471 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1472 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1473 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1474 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1475 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1476 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1477 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1478 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1479 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1480 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1481 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1482 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1483 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1484 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1485 { 0x21, SONYPI_EVENT_FNKEY_1 },
1486 { 0x22, SONYPI_EVENT_FNKEY_2 },
1487 { 0x31, SONYPI_EVENT_FNKEY_D },
1488 { 0x32, SONYPI_EVENT_FNKEY_E },
1489 { 0x33, SONYPI_EVENT_FNKEY_F },
1490 { 0x34, SONYPI_EVENT_FNKEY_S },
1491 { 0x35, SONYPI_EVENT_FNKEY_B },
1492 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1493 { 0, 0 }
1494 };
1495
1496 /* The set of possible program key events */
1497 static struct sonypi_event sonypi_pkeyev[] = {
1498 { 0x01, SONYPI_EVENT_PKEY_P1 },
1499 { 0x02, SONYPI_EVENT_PKEY_P2 },
1500 { 0x04, SONYPI_EVENT_PKEY_P3 },
1501 { 0x20, SONYPI_EVENT_PKEY_P1 },
1502 { 0, 0 }
1503 };
1504
1505 /* The set of possible bluetooth events */
1506 static struct sonypi_event sonypi_blueev[] = {
1507 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1508 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1509 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1510 { 0, 0 }
1511 };
1512
1513 /* The set of possible wireless events */
1514 static struct sonypi_event sonypi_wlessev[] = {
1515 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1516 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1517 { 0, 0 }
1518 };
1519
1520 /* The set of possible back button events */
1521 static struct sonypi_event sonypi_backev[] = {
1522 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1523 { 0, 0 }
1524 };
1525
1526 /* The set of possible help button events */
1527 static struct sonypi_event sonypi_helpev[] = {
1528 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1529 { 0, 0 }
1530 };
1531
1532
1533 /* The set of possible lid events */
1534 static struct sonypi_event sonypi_lidev[] = {
1535 { 0x51, SONYPI_EVENT_LID_CLOSED },
1536 { 0x50, SONYPI_EVENT_LID_OPENED },
1537 { 0, 0 }
1538 };
1539
1540 /* The set of possible zoom events */
1541 static struct sonypi_event sonypi_zoomev[] = {
1542 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1543 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1544 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1545 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1546 { 0, 0 }
1547 };
1548
1549 /* The set of possible thumbphrase events */
1550 static struct sonypi_event sonypi_thumbphraseev[] = {
1551 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1552 { 0, 0 }
1553 };
1554
1555 /* The set of possible motioneye camera events */
1556 static struct sonypi_event sonypi_meyeev[] = {
1557 { 0x00, SONYPI_EVENT_MEYE_FACE },
1558 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1559 { 0, 0 }
1560 };
1561
1562 /* The set of possible memorystick events */
1563 static struct sonypi_event sonypi_memorystickev[] = {
1564 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1565 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1566 { 0, 0 }
1567 };
1568
1569 /* The set of possible battery events */
1570 static struct sonypi_event sonypi_batteryev[] = {
1571 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1572 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1573 { 0, 0 }
1574 };
1575
1576 /* The set of possible volume events */
1577 static struct sonypi_event sonypi_volumeev[] = {
1578 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1579 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1580 { 0, 0 }
1581 };
1582
1583 /* The set of possible brightness events */
1584 static struct sonypi_event sonypi_brightnessev[] = {
1585 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1586 { 0, 0 }
1587 };
1588
1589 static struct sonypi_eventtypes type1_events[] = {
1590 { 0, 0xffffffff, sonypi_releaseev },
1591 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1592 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1593 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1594 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1595 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1596 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1597 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1598 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1599 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1600 { 0 },
1601 };
1602 static struct sonypi_eventtypes type2_events[] = {
1603 { 0, 0xffffffff, sonypi_releaseev },
1604 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1605 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1606 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1607 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1608 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1609 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1610 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1611 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1612 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1613 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1614 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1615 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1616 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1617 { 0 },
1618 };
1619 static struct sonypi_eventtypes type3_events[] = {
1620 { 0, 0xffffffff, sonypi_releaseev },
1621 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1622 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1623 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1624 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1625 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1626 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1627 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1628 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1629 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1630 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1631 { 0 },
1632 };
1633
1634 /* low level spic calls */
1635 #define ITERATIONS_LONG 10000
1636 #define ITERATIONS_SHORT 10
1637 #define wait_on_command(command, iterations) { \
1638 unsigned int n = iterations; \
1639 while (--n && (command)) \
1640 udelay(1); \
1641 if (!n) \
1642 dprintk("command failed at %s : %s (line %d)\n", \
1643 __FILE__, __func__, __LINE__); \
1644 }
1645
1646 static u8 sony_pic_call1(u8 dev)
1647 {
1648 u8 v1, v2;
1649
1650 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1651 ITERATIONS_LONG);
1652 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1653 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1654 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1655 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1656 return v2;
1657 }
1658
1659 static u8 sony_pic_call2(u8 dev, u8 fn)
1660 {
1661 u8 v1;
1662
1663 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1664 ITERATIONS_LONG);
1665 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1666 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1667 ITERATIONS_LONG);
1668 outb(fn, spic_dev.cur_ioport->io1.minimum);
1669 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1670 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1671 return v1;
1672 }
1673
1674 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1675 {
1676 u8 v1;
1677
1678 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1679 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1680 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1681 outb(fn, spic_dev.cur_ioport->io1.minimum);
1682 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1683 outb(v, spic_dev.cur_ioport->io1.minimum);
1684 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1685 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1686 dev, fn, v, v1);
1687 return v1;
1688 }
1689
1690 /*
1691 * minidrivers for SPIC models
1692 */
1693 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1694 {
1695 /*
1696 * 0x31 could mean we have to take some extra action and wait for
1697 * the next irq for some Type3 models, it will generate a new
1698 * irq and we can read new data from the device:
1699 * - 0x5c and 0x5f requires 0xA0
1700 * - 0x61 requires 0xB3
1701 */
1702 if (data_mask == 0x31) {
1703 if (ev == 0x5c || ev == 0x5f)
1704 sony_pic_call1(0xA0);
1705 else if (ev == 0x61)
1706 sony_pic_call1(0xB3);
1707 return 0;
1708 }
1709 return 1;
1710 }
1711
1712 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1713 {
1714 struct pci_dev *pcidev;
1715
1716 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1717 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1718 if (pcidev) {
1719 dev->model = SONYPI_DEVICE_TYPE1;
1720 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1721 dev->event_types = type1_events;
1722 goto out;
1723 }
1724
1725 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1726 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1727 if (pcidev) {
1728 dev->model = SONYPI_DEVICE_TYPE2;
1729 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1730 dev->event_types = type2_events;
1731 goto out;
1732 }
1733
1734 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1735 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1736 if (pcidev) {
1737 dev->model = SONYPI_DEVICE_TYPE3;
1738 dev->handle_irq = type3_handle_irq;
1739 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1740 dev->event_types = type3_events;
1741 goto out;
1742 }
1743
1744 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1745 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1746 if (pcidev) {
1747 dev->model = SONYPI_DEVICE_TYPE3;
1748 dev->handle_irq = type3_handle_irq;
1749 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1750 dev->event_types = type3_events;
1751 goto out;
1752 }
1753
1754 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1755 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1756 if (pcidev) {
1757 dev->model = SONYPI_DEVICE_TYPE3;
1758 dev->handle_irq = type3_handle_irq;
1759 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1760 dev->event_types = type3_events;
1761 goto out;
1762 }
1763
1764 /* default */
1765 dev->model = SONYPI_DEVICE_TYPE2;
1766 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1767 dev->event_types = type2_events;
1768
1769 out:
1770 if (pcidev)
1771 pci_dev_put(pcidev);
1772
1773 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1774 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1775 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1776 }
1777
1778 /* camera tests and poweron/poweroff */
1779 #define SONYPI_CAMERA_PICTURE 5
1780 #define SONYPI_CAMERA_CONTROL 0x10
1781
1782 #define SONYPI_CAMERA_BRIGHTNESS 0
1783 #define SONYPI_CAMERA_CONTRAST 1
1784 #define SONYPI_CAMERA_HUE 2
1785 #define SONYPI_CAMERA_COLOR 3
1786 #define SONYPI_CAMERA_SHARPNESS 4
1787
1788 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1789 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1790 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1791 #define SONYPI_CAMERA_MUTE_MASK 0x40
1792
1793 /* the rest don't need a loop until not 0xff */
1794 #define SONYPI_CAMERA_AGC 6
1795 #define SONYPI_CAMERA_AGC_MASK 0x30
1796 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1797
1798 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1799 #define SONYPI_CAMERA_CONTROL 0x10
1800
1801 #define SONYPI_CAMERA_STATUS 7
1802 #define SONYPI_CAMERA_STATUS_READY 0x2
1803 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1804
1805 #define SONYPI_DIRECTION_BACKWARDS 0x4
1806
1807 #define SONYPI_CAMERA_REVISION 8
1808 #define SONYPI_CAMERA_ROMVERSION 9
1809
1810 static int __sony_pic_camera_ready(void)
1811 {
1812 u8 v;
1813
1814 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1815 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1816 }
1817
1818 static int __sony_pic_camera_off(void)
1819 {
1820 if (!camera) {
1821 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1822 return -ENODEV;
1823 }
1824
1825 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1826 SONYPI_CAMERA_MUTE_MASK),
1827 ITERATIONS_SHORT);
1828
1829 if (spic_dev.camera_power) {
1830 sony_pic_call2(0x91, 0);
1831 spic_dev.camera_power = 0;
1832 }
1833 return 0;
1834 }
1835
1836 static int __sony_pic_camera_on(void)
1837 {
1838 int i, j, x;
1839
1840 if (!camera) {
1841 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1842 return -ENODEV;
1843 }
1844
1845 if (spic_dev.camera_power)
1846 return 0;
1847
1848 for (j = 5; j > 0; j--) {
1849
1850 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1851 msleep(10);
1852 sony_pic_call1(0x93);
1853
1854 for (i = 400; i > 0; i--) {
1855 if (__sony_pic_camera_ready())
1856 break;
1857 msleep(10);
1858 }
1859 if (i)
1860 break;
1861 }
1862
1863 if (j == 0) {
1864 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1865 return -ENODEV;
1866 }
1867
1868 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1869 0x5a),
1870 ITERATIONS_SHORT);
1871
1872 spic_dev.camera_power = 1;
1873 return 0;
1874 }
1875
1876 /* External camera command (exported to the motion eye v4l driver) */
1877 int sony_pic_camera_command(int command, u8 value)
1878 {
1879 if (!camera)
1880 return -EIO;
1881
1882 mutex_lock(&spic_dev.lock);
1883
1884 switch (command) {
1885 case SONY_PIC_COMMAND_SETCAMERA:
1886 if (value)
1887 __sony_pic_camera_on();
1888 else
1889 __sony_pic_camera_off();
1890 break;
1891 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1892 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1893 ITERATIONS_SHORT);
1894 break;
1895 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1896 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1897 ITERATIONS_SHORT);
1898 break;
1899 case SONY_PIC_COMMAND_SETCAMERAHUE:
1900 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1901 ITERATIONS_SHORT);
1902 break;
1903 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1904 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1905 ITERATIONS_SHORT);
1906 break;
1907 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1908 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1909 ITERATIONS_SHORT);
1910 break;
1911 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1912 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1913 ITERATIONS_SHORT);
1914 break;
1915 case SONY_PIC_COMMAND_SETCAMERAAGC:
1916 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1917 ITERATIONS_SHORT);
1918 break;
1919 default:
1920 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1921 command);
1922 break;
1923 }
1924 mutex_unlock(&spic_dev.lock);
1925 return 0;
1926 }
1927 EXPORT_SYMBOL(sony_pic_camera_command);
1928
1929 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1930 static void __sony_pic_set_wwanpower(u8 state)
1931 {
1932 state = !!state;
1933 if (spic_dev.wwan_power == state)
1934 return;
1935 sony_pic_call2(0xB0, state);
1936 sony_pic_call1(0x82);
1937 spic_dev.wwan_power = state;
1938 }
1939
1940 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1941 struct device_attribute *attr,
1942 const char *buffer, size_t count)
1943 {
1944 unsigned long value;
1945 if (count > 31)
1946 return -EINVAL;
1947
1948 value = simple_strtoul(buffer, NULL, 10);
1949 mutex_lock(&spic_dev.lock);
1950 __sony_pic_set_wwanpower(value);
1951 mutex_unlock(&spic_dev.lock);
1952
1953 return count;
1954 }
1955
1956 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1957 struct device_attribute *attr, char *buffer)
1958 {
1959 ssize_t count;
1960 mutex_lock(&spic_dev.lock);
1961 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1962 mutex_unlock(&spic_dev.lock);
1963 return count;
1964 }
1965
1966 /* bluetooth subsystem power state */
1967 static void __sony_pic_set_bluetoothpower(u8 state)
1968 {
1969 state = !!state;
1970 if (spic_dev.bluetooth_power == state)
1971 return;
1972 sony_pic_call2(0x96, state);
1973 sony_pic_call1(0x82);
1974 spic_dev.bluetooth_power = state;
1975 }
1976
1977 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1978 struct device_attribute *attr,
1979 const char *buffer, size_t count)
1980 {
1981 unsigned long value;
1982 if (count > 31)
1983 return -EINVAL;
1984
1985 value = simple_strtoul(buffer, NULL, 10);
1986 mutex_lock(&spic_dev.lock);
1987 __sony_pic_set_bluetoothpower(value);
1988 mutex_unlock(&spic_dev.lock);
1989
1990 return count;
1991 }
1992
1993 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1994 struct device_attribute *attr, char *buffer)
1995 {
1996 ssize_t count = 0;
1997 mutex_lock(&spic_dev.lock);
1998 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
1999 mutex_unlock(&spic_dev.lock);
2000 return count;
2001 }
2002
2003 /* fan speed */
2004 /* FAN0 information (reverse engineered from ACPI tables) */
2005 #define SONY_PIC_FAN0_STATUS 0x93
2006 static int sony_pic_set_fanspeed(unsigned long value)
2007 {
2008 return ec_write(SONY_PIC_FAN0_STATUS, value);
2009 }
2010
2011 static int sony_pic_get_fanspeed(u8 *value)
2012 {
2013 return ec_read(SONY_PIC_FAN0_STATUS, value);
2014 }
2015
2016 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2017 struct device_attribute *attr,
2018 const char *buffer, size_t count)
2019 {
2020 unsigned long value;
2021 if (count > 31)
2022 return -EINVAL;
2023
2024 value = simple_strtoul(buffer, NULL, 10);
2025 if (sony_pic_set_fanspeed(value))
2026 return -EIO;
2027
2028 return count;
2029 }
2030
2031 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2032 struct device_attribute *attr, char *buffer)
2033 {
2034 u8 value = 0;
2035 if (sony_pic_get_fanspeed(&value))
2036 return -EIO;
2037
2038 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2039 }
2040
2041 #define SPIC_ATTR(_name, _mode) \
2042 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2043 _mode, sony_pic_## _name ##_show, \
2044 sony_pic_## _name ##_store)
2045
2046 static SPIC_ATTR(bluetoothpower, 0644);
2047 static SPIC_ATTR(wwanpower, 0644);
2048 static SPIC_ATTR(fanspeed, 0644);
2049
2050 static struct attribute *spic_attributes[] = {
2051 &spic_attr_bluetoothpower.attr,
2052 &spic_attr_wwanpower.attr,
2053 &spic_attr_fanspeed.attr,
2054 NULL
2055 };
2056
2057 static struct attribute_group spic_attribute_group = {
2058 .attrs = spic_attributes
2059 };
2060
2061 /******** SONYPI compatibility **********/
2062 #ifdef CONFIG_SONYPI_COMPAT
2063
2064 /* battery / brightness / temperature addresses */
2065 #define SONYPI_BAT_FLAGS 0x81
2066 #define SONYPI_LCD_LIGHT 0x96
2067 #define SONYPI_BAT1_PCTRM 0xa0
2068 #define SONYPI_BAT1_LEFT 0xa2
2069 #define SONYPI_BAT1_MAXRT 0xa4
2070 #define SONYPI_BAT2_PCTRM 0xa8
2071 #define SONYPI_BAT2_LEFT 0xaa
2072 #define SONYPI_BAT2_MAXRT 0xac
2073 #define SONYPI_BAT1_MAXTK 0xb0
2074 #define SONYPI_BAT1_FULL 0xb2
2075 #define SONYPI_BAT2_MAXTK 0xb8
2076 #define SONYPI_BAT2_FULL 0xba
2077 #define SONYPI_TEMP_STATUS 0xC1
2078
2079 struct sonypi_compat_s {
2080 struct fasync_struct *fifo_async;
2081 struct kfifo fifo;
2082 spinlock_t fifo_lock;
2083 wait_queue_head_t fifo_proc_list;
2084 atomic_t open_count;
2085 };
2086 static struct sonypi_compat_s sonypi_compat = {
2087 .open_count = ATOMIC_INIT(0),
2088 };
2089
2090 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2091 {
2092 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2093 }
2094
2095 static int sonypi_misc_release(struct inode *inode, struct file *file)
2096 {
2097 atomic_dec(&sonypi_compat.open_count);
2098 return 0;
2099 }
2100
2101 static int sonypi_misc_open(struct inode *inode, struct file *file)
2102 {
2103 /* Flush input queue on first open */
2104 unsigned long flags;
2105
2106 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2107
2108 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2109 __kfifo_reset(&sonypi_compat.fifo);
2110
2111 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2112
2113 return 0;
2114 }
2115
2116 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2117 size_t count, loff_t *pos)
2118 {
2119 ssize_t ret;
2120 unsigned char c;
2121
2122 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2123 (file->f_flags & O_NONBLOCK))
2124 return -EAGAIN;
2125
2126 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2127 kfifo_len(&sonypi_compat.fifo) != 0);
2128 if (ret)
2129 return ret;
2130
2131 while (ret < count &&
2132 (kfifo_get(&sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2133 if (put_user(c, buf++))
2134 return -EFAULT;
2135 ret++;
2136 }
2137
2138 if (ret > 0) {
2139 struct inode *inode = file->f_path.dentry->d_inode;
2140 inode->i_atime = current_fs_time(inode->i_sb);
2141 }
2142
2143 return ret;
2144 }
2145
2146 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2147 {
2148 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2149 if (kfifo_len(&sonypi_compat.fifo))
2150 return POLLIN | POLLRDNORM;
2151 return 0;
2152 }
2153
2154 static int ec_read16(u8 addr, u16 *value)
2155 {
2156 u8 val_lb, val_hb;
2157 if (ec_read(addr, &val_lb))
2158 return -1;
2159 if (ec_read(addr + 1, &val_hb))
2160 return -1;
2161 *value = val_lb | (val_hb << 8);
2162 return 0;
2163 }
2164
2165 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2166 unsigned long arg)
2167 {
2168 int ret = 0;
2169 void __user *argp = (void __user *)arg;
2170 u8 val8;
2171 u16 val16;
2172 int value;
2173
2174 mutex_lock(&spic_dev.lock);
2175 switch (cmd) {
2176 case SONYPI_IOCGBRT:
2177 if (sony_backlight_device == NULL) {
2178 ret = -EIO;
2179 break;
2180 }
2181 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2182 ret = -EIO;
2183 break;
2184 }
2185 val8 = ((value & 0xff) - 1) << 5;
2186 if (copy_to_user(argp, &val8, sizeof(val8)))
2187 ret = -EFAULT;
2188 break;
2189 case SONYPI_IOCSBRT:
2190 if (sony_backlight_device == NULL) {
2191 ret = -EIO;
2192 break;
2193 }
2194 if (copy_from_user(&val8, argp, sizeof(val8))) {
2195 ret = -EFAULT;
2196 break;
2197 }
2198 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2199 (val8 >> 5) + 1, NULL)) {
2200 ret = -EIO;
2201 break;
2202 }
2203 /* sync the backlight device status */
2204 sony_backlight_device->props.brightness =
2205 sony_backlight_get_brightness(sony_backlight_device);
2206 break;
2207 case SONYPI_IOCGBAT1CAP:
2208 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2209 ret = -EIO;
2210 break;
2211 }
2212 if (copy_to_user(argp, &val16, sizeof(val16)))
2213 ret = -EFAULT;
2214 break;
2215 case SONYPI_IOCGBAT1REM:
2216 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2217 ret = -EIO;
2218 break;
2219 }
2220 if (copy_to_user(argp, &val16, sizeof(val16)))
2221 ret = -EFAULT;
2222 break;
2223 case SONYPI_IOCGBAT2CAP:
2224 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2225 ret = -EIO;
2226 break;
2227 }
2228 if (copy_to_user(argp, &val16, sizeof(val16)))
2229 ret = -EFAULT;
2230 break;
2231 case SONYPI_IOCGBAT2REM:
2232 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2233 ret = -EIO;
2234 break;
2235 }
2236 if (copy_to_user(argp, &val16, sizeof(val16)))
2237 ret = -EFAULT;
2238 break;
2239 case SONYPI_IOCGBATFLAGS:
2240 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2241 ret = -EIO;
2242 break;
2243 }
2244 val8 &= 0x07;
2245 if (copy_to_user(argp, &val8, sizeof(val8)))
2246 ret = -EFAULT;
2247 break;
2248 case SONYPI_IOCGBLUE:
2249 val8 = spic_dev.bluetooth_power;
2250 if (copy_to_user(argp, &val8, sizeof(val8)))
2251 ret = -EFAULT;
2252 break;
2253 case SONYPI_IOCSBLUE:
2254 if (copy_from_user(&val8, argp, sizeof(val8))) {
2255 ret = -EFAULT;
2256 break;
2257 }
2258 __sony_pic_set_bluetoothpower(val8);
2259 break;
2260 /* FAN Controls */
2261 case SONYPI_IOCGFAN:
2262 if (sony_pic_get_fanspeed(&val8)) {
2263 ret = -EIO;
2264 break;
2265 }
2266 if (copy_to_user(argp, &val8, sizeof(val8)))
2267 ret = -EFAULT;
2268 break;
2269 case SONYPI_IOCSFAN:
2270 if (copy_from_user(&val8, argp, sizeof(val8))) {
2271 ret = -EFAULT;
2272 break;
2273 }
2274 if (sony_pic_set_fanspeed(val8))
2275 ret = -EIO;
2276 break;
2277 /* GET Temperature (useful under APM) */
2278 case SONYPI_IOCGTEMP:
2279 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2280 ret = -EIO;
2281 break;
2282 }
2283 if (copy_to_user(argp, &val8, sizeof(val8)))
2284 ret = -EFAULT;
2285 break;
2286 default:
2287 ret = -EINVAL;
2288 }
2289 mutex_unlock(&spic_dev.lock);
2290 return ret;
2291 }
2292
2293 static const struct file_operations sonypi_misc_fops = {
2294 .owner = THIS_MODULE,
2295 .read = sonypi_misc_read,
2296 .poll = sonypi_misc_poll,
2297 .open = sonypi_misc_open,
2298 .release = sonypi_misc_release,
2299 .fasync = sonypi_misc_fasync,
2300 .unlocked_ioctl = sonypi_misc_ioctl,
2301 };
2302
2303 static struct miscdevice sonypi_misc_device = {
2304 .minor = MISC_DYNAMIC_MINOR,
2305 .name = "sonypi",
2306 .fops = &sonypi_misc_fops,
2307 };
2308
2309 static void sonypi_compat_report_event(u8 event)
2310 {
2311 kfifo_put(&sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2312 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2313 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2314 }
2315
2316 static int sonypi_compat_init(void)
2317 {
2318 int error;
2319
2320 spin_lock_init(&sonypi_compat.fifo_lock);
2321 error =
2322 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2323 &sonypi_compat.fifo_lock);
2324 if (error) {
2325 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2326 return error;
2327 }
2328
2329 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2330
2331 if (minor != -1)
2332 sonypi_misc_device.minor = minor;
2333 error = misc_register(&sonypi_misc_device);
2334 if (error) {
2335 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2336 goto err_free_kfifo;
2337 }
2338 if (minor == -1)
2339 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2340 sonypi_misc_device.minor);
2341
2342 return 0;
2343
2344 err_free_kfifo:
2345 kfifo_free(&sonypi_compat.fifo);
2346 return error;
2347 }
2348
2349 static void sonypi_compat_exit(void)
2350 {
2351 misc_deregister(&sonypi_misc_device);
2352 kfifo_free(&sonypi_compat.fifo);
2353 }
2354 #else
2355 static int sonypi_compat_init(void) { return 0; }
2356 static void sonypi_compat_exit(void) { }
2357 static void sonypi_compat_report_event(u8 event) { }
2358 #endif /* CONFIG_SONYPI_COMPAT */
2359
2360 /*
2361 * ACPI callbacks
2362 */
2363 static acpi_status
2364 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2365 {
2366 u32 i;
2367 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2368
2369 switch (resource->type) {
2370 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2371 {
2372 /* start IO enumeration */
2373 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2374 if (!ioport)
2375 return AE_ERROR;
2376
2377 list_add(&ioport->list, &dev->ioports);
2378 return AE_OK;
2379 }
2380
2381 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2382 /* end IO enumeration */
2383 return AE_OK;
2384
2385 case ACPI_RESOURCE_TYPE_IRQ:
2386 {
2387 struct acpi_resource_irq *p = &resource->data.irq;
2388 struct sony_pic_irq *interrupt = NULL;
2389 if (!p || !p->interrupt_count) {
2390 /*
2391 * IRQ descriptors may have no IRQ# bits set,
2392 * particularly those those w/ _STA disabled
2393 */
2394 dprintk("Blank IRQ resource\n");
2395 return AE_OK;
2396 }
2397 for (i = 0; i < p->interrupt_count; i++) {
2398 if (!p->interrupts[i]) {
2399 printk(KERN_WARNING DRV_PFX
2400 "Invalid IRQ %d\n",
2401 p->interrupts[i]);
2402 continue;
2403 }
2404 interrupt = kzalloc(sizeof(*interrupt),
2405 GFP_KERNEL);
2406 if (!interrupt)
2407 return AE_ERROR;
2408
2409 list_add(&interrupt->list, &dev->interrupts);
2410 interrupt->irq.triggering = p->triggering;
2411 interrupt->irq.polarity = p->polarity;
2412 interrupt->irq.sharable = p->sharable;
2413 interrupt->irq.interrupt_count = 1;
2414 interrupt->irq.interrupts[0] = p->interrupts[i];
2415 }
2416 return AE_OK;
2417 }
2418 case ACPI_RESOURCE_TYPE_IO:
2419 {
2420 struct acpi_resource_io *io = &resource->data.io;
2421 struct sony_pic_ioport *ioport =
2422 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2423 if (!io) {
2424 dprintk("Blank IO resource\n");
2425 return AE_OK;
2426 }
2427
2428 if (!ioport->io1.minimum) {
2429 memcpy(&ioport->io1, io, sizeof(*io));
2430 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2431 ioport->io1.address_length);
2432 }
2433 else if (!ioport->io2.minimum) {
2434 memcpy(&ioport->io2, io, sizeof(*io));
2435 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2436 ioport->io2.address_length);
2437 }
2438 else {
2439 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2440 return AE_ERROR;
2441 }
2442 return AE_OK;
2443 }
2444 default:
2445 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2446 resource->type);
2447
2448 case ACPI_RESOURCE_TYPE_END_TAG:
2449 return AE_OK;
2450 }
2451 return AE_CTRL_TERMINATE;
2452 }
2453
2454 static int sony_pic_possible_resources(struct acpi_device *device)
2455 {
2456 int result = 0;
2457 acpi_status status = AE_OK;
2458
2459 if (!device)
2460 return -EINVAL;
2461
2462 /* get device status */
2463 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2464 dprintk("Evaluating _STA\n");
2465 result = acpi_bus_get_status(device);
2466 if (result) {
2467 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2468 goto end;
2469 }
2470
2471 if (!device->status.enabled)
2472 dprintk("Device disabled\n");
2473 else
2474 dprintk("Device enabled\n");
2475
2476 /*
2477 * Query and parse 'method'
2478 */
2479 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2480 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2481 sony_pic_read_possible_resource, &spic_dev);
2482 if (ACPI_FAILURE(status)) {
2483 printk(KERN_WARNING DRV_PFX
2484 "Failure evaluating %s\n",
2485 METHOD_NAME__PRS);
2486 result = -ENODEV;
2487 }
2488 end:
2489 return result;
2490 }
2491
2492 /*
2493 * Disable the spic device by calling its _DIS method
2494 */
2495 static int sony_pic_disable(struct acpi_device *device)
2496 {
2497 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2498 NULL);
2499
2500 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2501 return -ENXIO;
2502
2503 dprintk("Device disabled\n");
2504 return 0;
2505 }
2506
2507
2508 /*
2509 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2510 *
2511 * Call _SRS to set current resources
2512 */
2513 static int sony_pic_enable(struct acpi_device *device,
2514 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2515 {
2516 acpi_status status;
2517 int result = 0;
2518 /* Type 1 resource layout is:
2519 * IO
2520 * IO
2521 * IRQNoFlags
2522 * End
2523 *
2524 * Type 2 and 3 resource layout is:
2525 * IO
2526 * IRQNoFlags
2527 * End
2528 */
2529 struct {
2530 struct acpi_resource res1;
2531 struct acpi_resource res2;
2532 struct acpi_resource res3;
2533 struct acpi_resource res4;
2534 } *resource;
2535 struct acpi_buffer buffer = { 0, NULL };
2536
2537 if (!ioport || !irq)
2538 return -EINVAL;
2539
2540 /* init acpi_buffer */
2541 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2542 if (!resource)
2543 return -ENOMEM;
2544
2545 buffer.length = sizeof(*resource) + 1;
2546 buffer.pointer = resource;
2547
2548 /* setup Type 1 resources */
2549 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2550
2551 /* setup io resources */
2552 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2553 resource->res1.length = sizeof(struct acpi_resource);
2554 memcpy(&resource->res1.data.io, &ioport->io1,
2555 sizeof(struct acpi_resource_io));
2556
2557 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2558 resource->res2.length = sizeof(struct acpi_resource);
2559 memcpy(&resource->res2.data.io, &ioport->io2,
2560 sizeof(struct acpi_resource_io));
2561
2562 /* setup irq resource */
2563 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2564 resource->res3.length = sizeof(struct acpi_resource);
2565 memcpy(&resource->res3.data.irq, &irq->irq,
2566 sizeof(struct acpi_resource_irq));
2567 /* we requested a shared irq */
2568 resource->res3.data.irq.sharable = ACPI_SHARED;
2569
2570 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2571
2572 }
2573 /* setup Type 2/3 resources */
2574 else {
2575 /* setup io resource */
2576 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2577 resource->res1.length = sizeof(struct acpi_resource);
2578 memcpy(&resource->res1.data.io, &ioport->io1,
2579 sizeof(struct acpi_resource_io));
2580
2581 /* setup irq resource */
2582 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2583 resource->res2.length = sizeof(struct acpi_resource);
2584 memcpy(&resource->res2.data.irq, &irq->irq,
2585 sizeof(struct acpi_resource_irq));
2586 /* we requested a shared irq */
2587 resource->res2.data.irq.sharable = ACPI_SHARED;
2588
2589 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2590 }
2591
2592 /* Attempt to set the resource */
2593 dprintk("Evaluating _SRS\n");
2594 status = acpi_set_current_resources(device->handle, &buffer);
2595
2596 /* check for total failure */
2597 if (ACPI_FAILURE(status)) {
2598 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2599 result = -ENODEV;
2600 goto end;
2601 }
2602
2603 /* Necessary device initializations calls (from sonypi) */
2604 sony_pic_call1(0x82);
2605 sony_pic_call2(0x81, 0xff);
2606 sony_pic_call1(compat ? 0x92 : 0x82);
2607
2608 end:
2609 kfree(resource);
2610 return result;
2611 }
2612
2613 /*****************
2614 *
2615 * ISR: some event is available
2616 *
2617 *****************/
2618 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2619 {
2620 int i, j;
2621 u8 ev = 0;
2622 u8 data_mask = 0;
2623 u8 device_event = 0;
2624
2625 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2626
2627 ev = inb_p(dev->cur_ioport->io1.minimum);
2628 if (dev->cur_ioport->io2.minimum)
2629 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2630 else
2631 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2632 dev->evport_offset);
2633
2634 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2635 ev, data_mask, dev->cur_ioport->io1.minimum,
2636 dev->evport_offset);
2637
2638 if (ev == 0x00 || ev == 0xff)
2639 return IRQ_HANDLED;
2640
2641 for (i = 0; dev->event_types[i].mask; i++) {
2642
2643 if ((data_mask & dev->event_types[i].data) !=
2644 dev->event_types[i].data)
2645 continue;
2646
2647 if (!(mask & dev->event_types[i].mask))
2648 continue;
2649
2650 for (j = 0; dev->event_types[i].events[j].event; j++) {
2651 if (ev == dev->event_types[i].events[j].data) {
2652 device_event =
2653 dev->event_types[i].events[j].event;
2654 goto found;
2655 }
2656 }
2657 }
2658 /* Still not able to decode the event try to pass
2659 * it over to the minidriver
2660 */
2661 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2662 return IRQ_HANDLED;
2663
2664 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2665 ev, data_mask, dev->cur_ioport->io1.minimum,
2666 dev->evport_offset);
2667 return IRQ_HANDLED;
2668
2669 found:
2670 sony_laptop_report_input_event(device_event);
2671 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2672 sonypi_compat_report_event(device_event);
2673
2674 return IRQ_HANDLED;
2675 }
2676
2677 /*****************
2678 *
2679 * ACPI driver
2680 *
2681 *****************/
2682 static int sony_pic_remove(struct acpi_device *device, int type)
2683 {
2684 struct sony_pic_ioport *io, *tmp_io;
2685 struct sony_pic_irq *irq, *tmp_irq;
2686
2687 if (sony_pic_disable(device)) {
2688 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2689 return -ENXIO;
2690 }
2691
2692 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2693 release_region(spic_dev.cur_ioport->io1.minimum,
2694 spic_dev.cur_ioport->io1.address_length);
2695 if (spic_dev.cur_ioport->io2.minimum)
2696 release_region(spic_dev.cur_ioport->io2.minimum,
2697 spic_dev.cur_ioport->io2.address_length);
2698
2699 sonypi_compat_exit();
2700
2701 sony_laptop_remove_input();
2702
2703 /* pf attrs */
2704 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2705 sony_pf_remove();
2706
2707 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2708 list_del(&io->list);
2709 kfree(io);
2710 }
2711 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2712 list_del(&irq->list);
2713 kfree(irq);
2714 }
2715 spic_dev.cur_ioport = NULL;
2716 spic_dev.cur_irq = NULL;
2717
2718 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2719 return 0;
2720 }
2721
2722 static int sony_pic_add(struct acpi_device *device)
2723 {
2724 int result;
2725 struct sony_pic_ioport *io, *tmp_io;
2726 struct sony_pic_irq *irq, *tmp_irq;
2727
2728 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2729 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2730
2731 spic_dev.acpi_dev = device;
2732 strcpy(acpi_device_class(device), "sony/hotkey");
2733 sony_pic_detect_device_type(&spic_dev);
2734 mutex_init(&spic_dev.lock);
2735
2736 /* read _PRS resources */
2737 result = sony_pic_possible_resources(device);
2738 if (result) {
2739 printk(KERN_ERR DRV_PFX
2740 "Unable to read possible resources.\n");
2741 goto err_free_resources;
2742 }
2743
2744 /* setup input devices and helper fifo */
2745 result = sony_laptop_setup_input(device);
2746 if (result) {
2747 printk(KERN_ERR DRV_PFX
2748 "Unable to create input devices.\n");
2749 goto err_free_resources;
2750 }
2751
2752 if (sonypi_compat_init())
2753 goto err_remove_input;
2754
2755 /* request io port */
2756 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2757 if (request_region(io->io1.minimum, io->io1.address_length,
2758 "Sony Programable I/O Device")) {
2759 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2760 io->io1.minimum, io->io1.maximum,
2761 io->io1.address_length);
2762 /* Type 1 have 2 ioports */
2763 if (io->io2.minimum) {
2764 if (request_region(io->io2.minimum,
2765 io->io2.address_length,
2766 "Sony Programable I/O Device")) {
2767 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2768 io->io2.minimum, io->io2.maximum,
2769 io->io2.address_length);
2770 spic_dev.cur_ioport = io;
2771 break;
2772 }
2773 else {
2774 dprintk("Unable to get I/O port2: "
2775 "0x%.4x (0x%.4x) + 0x%.2x\n",
2776 io->io2.minimum, io->io2.maximum,
2777 io->io2.address_length);
2778 release_region(io->io1.minimum,
2779 io->io1.address_length);
2780 }
2781 }
2782 else {
2783 spic_dev.cur_ioport = io;
2784 break;
2785 }
2786 }
2787 }
2788 if (!spic_dev.cur_ioport) {
2789 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2790 result = -ENODEV;
2791 goto err_remove_compat;
2792 }
2793
2794 /* request IRQ */
2795 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2796 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2797 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2798 dprintk("IRQ: %d - triggering: %d - "
2799 "polarity: %d - shr: %d\n",
2800 irq->irq.interrupts[0],
2801 irq->irq.triggering,
2802 irq->irq.polarity,
2803 irq->irq.sharable);
2804 spic_dev.cur_irq = irq;
2805 break;
2806 }
2807 }
2808 if (!spic_dev.cur_irq) {
2809 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2810 result = -ENODEV;
2811 goto err_release_region;
2812 }
2813
2814 /* set resource status _SRS */
2815 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2816 if (result) {
2817 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2818 goto err_free_irq;
2819 }
2820
2821 spic_dev.bluetooth_power = -1;
2822 /* create device attributes */
2823 result = sony_pf_add();
2824 if (result)
2825 goto err_disable_device;
2826
2827 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2828 if (result)
2829 goto err_remove_pf;
2830
2831 return 0;
2832
2833 err_remove_pf:
2834 sony_pf_remove();
2835
2836 err_disable_device:
2837 sony_pic_disable(device);
2838
2839 err_free_irq:
2840 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2841
2842 err_release_region:
2843 release_region(spic_dev.cur_ioport->io1.minimum,
2844 spic_dev.cur_ioport->io1.address_length);
2845 if (spic_dev.cur_ioport->io2.minimum)
2846 release_region(spic_dev.cur_ioport->io2.minimum,
2847 spic_dev.cur_ioport->io2.address_length);
2848
2849 err_remove_compat:
2850 sonypi_compat_exit();
2851
2852 err_remove_input:
2853 sony_laptop_remove_input();
2854
2855 err_free_resources:
2856 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2857 list_del(&io->list);
2858 kfree(io);
2859 }
2860 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2861 list_del(&irq->list);
2862 kfree(irq);
2863 }
2864 spic_dev.cur_ioport = NULL;
2865 spic_dev.cur_irq = NULL;
2866
2867 return result;
2868 }
2869
2870 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2871 {
2872 if (sony_pic_disable(device))
2873 return -ENXIO;
2874 return 0;
2875 }
2876
2877 static int sony_pic_resume(struct acpi_device *device)
2878 {
2879 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2880 return 0;
2881 }
2882
2883 static const struct acpi_device_id sony_pic_device_ids[] = {
2884 {SONY_PIC_HID, 0},
2885 {"", 0},
2886 };
2887
2888 static struct acpi_driver sony_pic_driver = {
2889 .name = SONY_PIC_DRIVER_NAME,
2890 .class = SONY_PIC_CLASS,
2891 .ids = sony_pic_device_ids,
2892 .owner = THIS_MODULE,
2893 .ops = {
2894 .add = sony_pic_add,
2895 .remove = sony_pic_remove,
2896 .suspend = sony_pic_suspend,
2897 .resume = sony_pic_resume,
2898 },
2899 };
2900
2901 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2902 {
2903 .ident = "Sony Vaio",
2904 .matches = {
2905 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2906 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2907 },
2908 },
2909 {
2910 .ident = "Sony Vaio",
2911 .matches = {
2912 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2913 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2914 },
2915 },
2916 { }
2917 };
2918
2919 static int __init sony_laptop_init(void)
2920 {
2921 int result;
2922
2923 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2924 result = acpi_bus_register_driver(&sony_pic_driver);
2925 if (result) {
2926 printk(KERN_ERR DRV_PFX
2927 "Unable to register SPIC driver.");
2928 goto out;
2929 }
2930 spic_drv_registered = 1;
2931 }
2932
2933 result = acpi_bus_register_driver(&sony_nc_driver);
2934 if (result) {
2935 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2936 goto out_unregister_pic;
2937 }
2938
2939 return 0;
2940
2941 out_unregister_pic:
2942 if (spic_drv_registered)
2943 acpi_bus_unregister_driver(&sony_pic_driver);
2944 out:
2945 return result;
2946 }
2947
2948 static void __exit sony_laptop_exit(void)
2949 {
2950 acpi_bus_unregister_driver(&sony_nc_driver);
2951 if (spic_drv_registered)
2952 acpi_bus_unregister_driver(&sony_pic_driver);
2953 }
2954
2955 module_init(sony_laptop_init);
2956 module_exit(sony_laptop_exit);
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