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[mirror_ubuntu-artful-kernel.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127 SONY_WIFI,
128 SONY_BLUETOOTH,
129 SONY_WWAN,
130 SONY_WIMAX,
131 N_SONY_RFKILL,
132 };
133
134 static int sony_rfkill_handle;
135 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
136 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
137 static void sony_nc_rfkill_update(void);
138
139 /*********** Input Devices ***********/
140
141 #define SONY_LAPTOP_BUF_SIZE 128
142 struct sony_laptop_input_s {
143 atomic_t users;
144 struct input_dev *jog_dev;
145 struct input_dev *key_dev;
146 struct kfifo *fifo;
147 spinlock_t fifo_lock;
148 struct workqueue_struct *wq;
149 };
150
151 static struct sony_laptop_input_s sony_laptop_input = {
152 .users = ATOMIC_INIT(0),
153 };
154
155 struct sony_laptop_keypress {
156 struct input_dev *dev;
157 int key;
158 };
159
160 /* Correspondance table between sonypi events
161 * and input layer indexes in the keymap
162 */
163 static int sony_laptop_input_index[] = {
164 -1, /* 0 no event */
165 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
166 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
167 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
168 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
169 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
170 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
171 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
172 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
173 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
174 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
175 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
176 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
177 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
178 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
179 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
180 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
181 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
182 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
183 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
184 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
185 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
186 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
187 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
188 17, /* 24 SONYPI_EVENT_FNKEY_1 */
189 18, /* 25 SONYPI_EVENT_FNKEY_2 */
190 19, /* 26 SONYPI_EVENT_FNKEY_D */
191 20, /* 27 SONYPI_EVENT_FNKEY_E */
192 21, /* 28 SONYPI_EVENT_FNKEY_F */
193 22, /* 29 SONYPI_EVENT_FNKEY_S */
194 23, /* 30 SONYPI_EVENT_FNKEY_B */
195 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
196 25, /* 32 SONYPI_EVENT_PKEY_P1 */
197 26, /* 33 SONYPI_EVENT_PKEY_P2 */
198 27, /* 34 SONYPI_EVENT_PKEY_P3 */
199 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
200 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
201 -1, /* 37 SONYPI_EVENT_LID_OPENED */
202 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
203 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
204 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
205 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
206 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
207 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
208 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
209 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
210 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
211 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
212 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
213 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
214 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
215 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
216 43, /* 52 SONYPI_EVENT_MEYE_FACE */
217 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
218 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
219 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
220 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
221 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
222 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
223 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
224 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
225 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
226 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
227 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
228 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
229 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
230 53, /* 66 SONYPI_EVENT_PKEY_P4 */
231 54, /* 67 SONYPI_EVENT_PKEY_P5 */
232 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
233 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
234 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
235 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
236 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
237 };
238
239 static int sony_laptop_input_keycode_map[] = {
240 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
241 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
242 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
243 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
244 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
245 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
246 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
247 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
248 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
249 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
250 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
251 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
252 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
253 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
254 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
255 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
256 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
257 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
258 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
259 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
260 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
261 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
262 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
263 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
264 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
265 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
266 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
267 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
268 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
269 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
270 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
271 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
272 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
273 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
274 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
275 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
276 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
277 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
278 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
279 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
280 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
281 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
282 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
283 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
284 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
285 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
286 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
287 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
288 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
289 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
290 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
291 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
292 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
293 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
294 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
295 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
296 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
297 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
298 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
299 };
300
301 /* release buttons after a short delay if pressed */
302 static void do_sony_laptop_release_key(struct work_struct *work)
303 {
304 struct sony_laptop_keypress kp;
305
306 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
307 sizeof(kp)) == sizeof(kp)) {
308 msleep(10);
309 input_report_key(kp.dev, kp.key, 0);
310 input_sync(kp.dev);
311 }
312 }
313 static DECLARE_WORK(sony_laptop_release_key_work,
314 do_sony_laptop_release_key);
315
316 /* forward event to the input subsystem */
317 static void sony_laptop_report_input_event(u8 event)
318 {
319 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
320 struct input_dev *key_dev = sony_laptop_input.key_dev;
321 struct sony_laptop_keypress kp = { NULL };
322
323 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
324 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
325 /* Nothing, not all VAIOs generate this event */
326 return;
327 }
328
329 /* report events */
330 switch (event) {
331 /* jog_dev events */
332 case SONYPI_EVENT_JOGDIAL_UP:
333 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
334 input_report_rel(jog_dev, REL_WHEEL, 1);
335 input_sync(jog_dev);
336 return;
337
338 case SONYPI_EVENT_JOGDIAL_DOWN:
339 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
340 input_report_rel(jog_dev, REL_WHEEL, -1);
341 input_sync(jog_dev);
342 return;
343
344 /* key_dev events */
345 case SONYPI_EVENT_JOGDIAL_PRESSED:
346 kp.key = BTN_MIDDLE;
347 kp.dev = jog_dev;
348 break;
349
350 default:
351 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
352 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
353 break;
354 }
355 if (sony_laptop_input_index[event] != -1) {
356 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
357 if (kp.key != KEY_UNKNOWN)
358 kp.dev = key_dev;
359 }
360 break;
361 }
362
363 if (kp.dev) {
364 input_report_key(kp.dev, kp.key, 1);
365 /* we emit the scancode so we can always remap the key */
366 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
367 input_sync(kp.dev);
368 kfifo_put(sony_laptop_input.fifo,
369 (unsigned char *)&kp, sizeof(kp));
370
371 if (!work_pending(&sony_laptop_release_key_work))
372 queue_work(sony_laptop_input.wq,
373 &sony_laptop_release_key_work);
374 } else
375 dprintk("unknown input event %.2x\n", event);
376 }
377
378 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
379 {
380 struct input_dev *jog_dev;
381 struct input_dev *key_dev;
382 int i;
383 int error;
384
385 /* don't run again if already initialized */
386 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
387 return 0;
388
389 /* kfifo */
390 spin_lock_init(&sony_laptop_input.fifo_lock);
391 sony_laptop_input.fifo =
392 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
393 &sony_laptop_input.fifo_lock);
394 if (IS_ERR(sony_laptop_input.fifo)) {
395 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
396 error = PTR_ERR(sony_laptop_input.fifo);
397 goto err_dec_users;
398 }
399
400 /* init workqueue */
401 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
402 if (!sony_laptop_input.wq) {
403 printk(KERN_ERR DRV_PFX
404 "Unable to create workqueue.\n");
405 error = -ENXIO;
406 goto err_free_kfifo;
407 }
408
409 /* input keys */
410 key_dev = input_allocate_device();
411 if (!key_dev) {
412 error = -ENOMEM;
413 goto err_destroy_wq;
414 }
415
416 key_dev->name = "Sony Vaio Keys";
417 key_dev->id.bustype = BUS_ISA;
418 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
419 key_dev->dev.parent = &acpi_device->dev;
420
421 /* Initialize the Input Drivers: special keys */
422 set_bit(EV_KEY, key_dev->evbit);
423 set_bit(EV_MSC, key_dev->evbit);
424 set_bit(MSC_SCAN, key_dev->mscbit);
425 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
426 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
427 key_dev->keycode = &sony_laptop_input_keycode_map;
428 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
429 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
430 set_bit(sony_laptop_input_keycode_map[i],
431 key_dev->keybit);
432 }
433 }
434
435 error = input_register_device(key_dev);
436 if (error)
437 goto err_free_keydev;
438
439 sony_laptop_input.key_dev = key_dev;
440
441 /* jogdial */
442 jog_dev = input_allocate_device();
443 if (!jog_dev) {
444 error = -ENOMEM;
445 goto err_unregister_keydev;
446 }
447
448 jog_dev->name = "Sony Vaio Jogdial";
449 jog_dev->id.bustype = BUS_ISA;
450 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
451 key_dev->dev.parent = &acpi_device->dev;
452
453 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
454 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
455 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
456
457 error = input_register_device(jog_dev);
458 if (error)
459 goto err_free_jogdev;
460
461 sony_laptop_input.jog_dev = jog_dev;
462
463 return 0;
464
465 err_free_jogdev:
466 input_free_device(jog_dev);
467
468 err_unregister_keydev:
469 input_unregister_device(key_dev);
470 /* to avoid kref underflow below at input_free_device */
471 key_dev = NULL;
472
473 err_free_keydev:
474 input_free_device(key_dev);
475
476 err_destroy_wq:
477 destroy_workqueue(sony_laptop_input.wq);
478
479 err_free_kfifo:
480 kfifo_free(sony_laptop_input.fifo);
481
482 err_dec_users:
483 atomic_dec(&sony_laptop_input.users);
484 return error;
485 }
486
487 static void sony_laptop_remove_input(void)
488 {
489 /* cleanup only after the last user has gone */
490 if (!atomic_dec_and_test(&sony_laptop_input.users))
491 return;
492
493 /* flush workqueue first */
494 flush_workqueue(sony_laptop_input.wq);
495
496 /* destroy input devs */
497 input_unregister_device(sony_laptop_input.key_dev);
498 sony_laptop_input.key_dev = NULL;
499
500 if (sony_laptop_input.jog_dev) {
501 input_unregister_device(sony_laptop_input.jog_dev);
502 sony_laptop_input.jog_dev = NULL;
503 }
504
505 destroy_workqueue(sony_laptop_input.wq);
506 kfifo_free(sony_laptop_input.fifo);
507 }
508
509 /*********** Platform Device ***********/
510
511 static atomic_t sony_pf_users = ATOMIC_INIT(0);
512 static struct platform_driver sony_pf_driver = {
513 .driver = {
514 .name = "sony-laptop",
515 .owner = THIS_MODULE,
516 }
517 };
518 static struct platform_device *sony_pf_device;
519
520 static int sony_pf_add(void)
521 {
522 int ret = 0;
523
524 /* don't run again if already initialized */
525 if (atomic_add_return(1, &sony_pf_users) > 1)
526 return 0;
527
528 ret = platform_driver_register(&sony_pf_driver);
529 if (ret)
530 goto out;
531
532 sony_pf_device = platform_device_alloc("sony-laptop", -1);
533 if (!sony_pf_device) {
534 ret = -ENOMEM;
535 goto out_platform_registered;
536 }
537
538 ret = platform_device_add(sony_pf_device);
539 if (ret)
540 goto out_platform_alloced;
541
542 return 0;
543
544 out_platform_alloced:
545 platform_device_put(sony_pf_device);
546 sony_pf_device = NULL;
547 out_platform_registered:
548 platform_driver_unregister(&sony_pf_driver);
549 out:
550 atomic_dec(&sony_pf_users);
551 return ret;
552 }
553
554 static void sony_pf_remove(void)
555 {
556 /* deregister only after the last user has gone */
557 if (!atomic_dec_and_test(&sony_pf_users))
558 return;
559
560 platform_device_del(sony_pf_device);
561 platform_device_put(sony_pf_device);
562 platform_driver_unregister(&sony_pf_driver);
563 }
564
565 /*********** SNC (SNY5001) Device ***********/
566
567 /* the device uses 1-based values, while the backlight subsystem uses
568 0-based values */
569 #define SONY_MAX_BRIGHTNESS 8
570
571 #define SNC_VALIDATE_IN 0
572 #define SNC_VALIDATE_OUT 1
573
574 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
575 char *);
576 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
577 const char *, size_t);
578 static int boolean_validate(const int, const int);
579 static int brightness_default_validate(const int, const int);
580
581 struct sony_nc_value {
582 char *name; /* name of the entry */
583 char **acpiget; /* names of the ACPI get function */
584 char **acpiset; /* names of the ACPI set function */
585 int (*validate)(const int, const int); /* input/output validation */
586 int value; /* current setting */
587 int valid; /* Has ever been set */
588 int debug; /* active only in debug mode ? */
589 struct device_attribute devattr; /* sysfs atribute */
590 };
591
592 #define SNC_HANDLE_NAMES(_name, _values...) \
593 static char *snc_##_name[] = { _values, NULL }
594
595 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
596 { \
597 .name = __stringify(_name), \
598 .acpiget = _getters, \
599 .acpiset = _setters, \
600 .validate = _validate, \
601 .debug = _debug, \
602 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
603 }
604
605 #define SNC_HANDLE_NULL { .name = NULL }
606
607 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
608
609 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
610 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
611
612 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
613 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
614
615 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
616 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
617
618 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
619 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
620
621 SNC_HANDLE_NAMES(lidstate_get, "GLID");
622
623 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
624 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
625
626 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
627 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
628
629 SNC_HANDLE_NAMES(PID_get, "GPID");
630
631 SNC_HANDLE_NAMES(CTR_get, "GCTR");
632 SNC_HANDLE_NAMES(CTR_set, "SCTR");
633
634 SNC_HANDLE_NAMES(PCR_get, "GPCR");
635 SNC_HANDLE_NAMES(PCR_set, "SPCR");
636
637 SNC_HANDLE_NAMES(CMI_get, "GCMI");
638 SNC_HANDLE_NAMES(CMI_set, "SCMI");
639
640 static struct sony_nc_value sony_nc_values[] = {
641 SNC_HANDLE(brightness_default, snc_brightness_def_get,
642 snc_brightness_def_set, brightness_default_validate, 0),
643 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
644 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
645 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
646 boolean_validate, 0),
647 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
648 boolean_validate, 1),
649 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
650 boolean_validate, 0),
651 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
652 boolean_validate, 0),
653 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
654 boolean_validate, 0),
655 /* unknown methods */
656 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
657 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
658 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
659 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
660 SNC_HANDLE_NULL
661 };
662
663 static acpi_handle sony_nc_acpi_handle;
664 static struct acpi_device *sony_nc_acpi_device = NULL;
665
666 /*
667 * acpi_evaluate_object wrappers
668 */
669 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
670 {
671 struct acpi_buffer output;
672 union acpi_object out_obj;
673 acpi_status status;
674
675 output.length = sizeof(out_obj);
676 output.pointer = &out_obj;
677
678 status = acpi_evaluate_object(handle, name, NULL, &output);
679 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
680 *result = out_obj.integer.value;
681 return 0;
682 }
683
684 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
685
686 return -1;
687 }
688
689 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
690 int *result)
691 {
692 struct acpi_object_list params;
693 union acpi_object in_obj;
694 struct acpi_buffer output;
695 union acpi_object out_obj;
696 acpi_status status;
697
698 params.count = 1;
699 params.pointer = &in_obj;
700 in_obj.type = ACPI_TYPE_INTEGER;
701 in_obj.integer.value = value;
702
703 output.length = sizeof(out_obj);
704 output.pointer = &out_obj;
705
706 status = acpi_evaluate_object(handle, name, &params, &output);
707 if (status == AE_OK) {
708 if (result != NULL) {
709 if (out_obj.type != ACPI_TYPE_INTEGER) {
710 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
711 "return type\n");
712 return -1;
713 }
714 *result = out_obj.integer.value;
715 }
716 return 0;
717 }
718
719 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
720
721 return -1;
722 }
723
724 static int sony_find_snc_handle(int handle)
725 {
726 int i;
727 int result;
728
729 for (i = 0x20; i < 0x30; i++) {
730 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
731 if (result == handle)
732 return i-0x20;
733 }
734
735 return -1;
736 }
737
738 static int sony_call_snc_handle(int handle, int argument, int *result)
739 {
740 int offset = sony_find_snc_handle(handle);
741
742 if (offset < 0)
743 return -1;
744
745 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
746 result);
747 }
748
749 /*
750 * sony_nc_values input/output validate functions
751 */
752
753 /* brightness_default_validate:
754 *
755 * manipulate input output values to keep consistency with the
756 * backlight framework for which brightness values are 0-based.
757 */
758 static int brightness_default_validate(const int direction, const int value)
759 {
760 switch (direction) {
761 case SNC_VALIDATE_OUT:
762 return value - 1;
763 case SNC_VALIDATE_IN:
764 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
765 return value + 1;
766 }
767 return -EINVAL;
768 }
769
770 /* boolean_validate:
771 *
772 * on input validate boolean values 0/1, on output just pass the
773 * received value.
774 */
775 static int boolean_validate(const int direction, const int value)
776 {
777 if (direction == SNC_VALIDATE_IN) {
778 if (value != 0 && value != 1)
779 return -EINVAL;
780 }
781 return value;
782 }
783
784 /*
785 * Sysfs show/store common to all sony_nc_values
786 */
787 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
788 char *buffer)
789 {
790 int value;
791 struct sony_nc_value *item =
792 container_of(attr, struct sony_nc_value, devattr);
793
794 if (!*item->acpiget)
795 return -EIO;
796
797 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
798 return -EIO;
799
800 if (item->validate)
801 value = item->validate(SNC_VALIDATE_OUT, value);
802
803 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
804 }
805
806 static ssize_t sony_nc_sysfs_store(struct device *dev,
807 struct device_attribute *attr,
808 const char *buffer, size_t count)
809 {
810 int value;
811 struct sony_nc_value *item =
812 container_of(attr, struct sony_nc_value, devattr);
813
814 if (!item->acpiset)
815 return -EIO;
816
817 if (count > 31)
818 return -EINVAL;
819
820 value = simple_strtoul(buffer, NULL, 10);
821
822 if (item->validate)
823 value = item->validate(SNC_VALIDATE_IN, value);
824
825 if (value < 0)
826 return value;
827
828 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
829 return -EIO;
830 item->value = value;
831 item->valid = 1;
832 return count;
833 }
834
835
836 /*
837 * Backlight device
838 */
839 static int sony_backlight_update_status(struct backlight_device *bd)
840 {
841 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
842 bd->props.brightness + 1, NULL);
843 }
844
845 static int sony_backlight_get_brightness(struct backlight_device *bd)
846 {
847 int value;
848
849 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
850 return 0;
851 /* brightness levels are 1-based, while backlight ones are 0-based */
852 return value - 1;
853 }
854
855 static struct backlight_device *sony_backlight_device;
856 static struct backlight_ops sony_backlight_ops = {
857 .update_status = sony_backlight_update_status,
858 .get_brightness = sony_backlight_get_brightness,
859 };
860
861 /*
862 * New SNC-only Vaios event mapping to driver known keys
863 */
864 struct sony_nc_event {
865 u8 data;
866 u8 event;
867 };
868
869 static struct sony_nc_event sony_100_events[] = {
870 { 0x90, SONYPI_EVENT_PKEY_P1 },
871 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
872 { 0x91, SONYPI_EVENT_PKEY_P2 },
873 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
874 { 0x81, SONYPI_EVENT_FNKEY_F1 },
875 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
876 { 0x82, SONYPI_EVENT_FNKEY_F2 },
877 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
878 { 0x83, SONYPI_EVENT_FNKEY_F3 },
879 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
880 { 0x84, SONYPI_EVENT_FNKEY_F4 },
881 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
882 { 0x85, SONYPI_EVENT_FNKEY_F5 },
883 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
884 { 0x86, SONYPI_EVENT_FNKEY_F6 },
885 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
886 { 0x87, SONYPI_EVENT_FNKEY_F7 },
887 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
888 { 0x89, SONYPI_EVENT_FNKEY_F9 },
889 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
890 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
891 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
892 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
893 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
894 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
895 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
896 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
897 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
898 { 0, 0 },
899 };
900
901 static struct sony_nc_event sony_127_events[] = {
902 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
903 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
904 { 0x82, SONYPI_EVENT_PKEY_P1 },
905 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
906 { 0x83, SONYPI_EVENT_PKEY_P2 },
907 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
908 { 0x84, SONYPI_EVENT_PKEY_P3 },
909 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
910 { 0x85, SONYPI_EVENT_PKEY_P4 },
911 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
912 { 0x86, SONYPI_EVENT_PKEY_P5 },
913 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
914 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
915 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
916 { 0, 0 },
917 };
918
919 /*
920 * ACPI callbacks
921 */
922 static void sony_nc_notify(struct acpi_device *device, u32 event)
923 {
924 u32 ev = event;
925
926 if (ev >= 0x90) {
927 /* New-style event */
928 int result;
929 int key_handle = 0;
930 ev -= 0x90;
931
932 if (sony_find_snc_handle(0x100) == ev)
933 key_handle = 0x100;
934 if (sony_find_snc_handle(0x127) == ev)
935 key_handle = 0x127;
936
937 if (key_handle) {
938 struct sony_nc_event *key_event;
939
940 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
941 dprintk("sony_nc_notify, unable to decode"
942 " event 0x%.2x 0x%.2x\n", key_handle,
943 ev);
944 /* restore the original event */
945 ev = event;
946 } else {
947 ev = result & 0xFF;
948
949 if (key_handle == 0x100)
950 key_event = sony_100_events;
951 else
952 key_event = sony_127_events;
953
954 for (; key_event->data; key_event++) {
955 if (key_event->data == ev) {
956 ev = key_event->event;
957 break;
958 }
959 }
960
961 if (!key_event->data)
962 printk(KERN_INFO DRV_PFX
963 "Unknown event: 0x%x 0x%x\n",
964 key_handle,
965 ev);
966 else
967 sony_laptop_report_input_event(ev);
968 }
969 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
970 sony_nc_rfkill_update();
971 return;
972 }
973 } else
974 sony_laptop_report_input_event(ev);
975
976 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
977 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
978 }
979
980 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
981 void *context, void **return_value)
982 {
983 struct acpi_device_info *info;
984
985 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
986 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
987 (char *)&info->name, info->param_count);
988
989 kfree(info);
990 }
991
992 return AE_OK;
993 }
994
995 /*
996 * ACPI device
997 */
998 static int sony_nc_function_setup(struct acpi_device *device)
999 {
1000 int result;
1001
1002 /* Enable all events */
1003 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1004
1005 /* Setup hotkeys */
1006 sony_call_snc_handle(0x0100, 0, &result);
1007 sony_call_snc_handle(0x0101, 0, &result);
1008 sony_call_snc_handle(0x0102, 0x100, &result);
1009 sony_call_snc_handle(0x0127, 0, &result);
1010
1011 return 0;
1012 }
1013
1014 static int sony_nc_resume(struct acpi_device *device)
1015 {
1016 struct sony_nc_value *item;
1017 acpi_handle handle;
1018
1019 for (item = sony_nc_values; item->name; item++) {
1020 int ret;
1021
1022 if (!item->valid)
1023 continue;
1024 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1025 item->value, NULL);
1026 if (ret < 0) {
1027 printk("%s: %d\n", __func__, ret);
1028 break;
1029 }
1030 }
1031
1032 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1033 &handle))) {
1034 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1035 dprintk("ECON Method failed\n");
1036 }
1037
1038 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1039 &handle))) {
1040 dprintk("Doing SNC setup\n");
1041 sony_nc_function_setup(device);
1042 }
1043
1044 /* set the last requested brightness level */
1045 if (sony_backlight_device &&
1046 sony_backlight_update_status(sony_backlight_device) < 0)
1047 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1048
1049 /* re-read rfkill state */
1050 sony_nc_rfkill_update();
1051
1052 return 0;
1053 }
1054
1055 static void sony_nc_rfkill_cleanup(void)
1056 {
1057 int i;
1058
1059 for (i = 0; i < N_SONY_RFKILL; i++) {
1060 if (sony_rfkill_devices[i]) {
1061 rfkill_unregister(sony_rfkill_devices[i]);
1062 rfkill_destroy(sony_rfkill_devices[i]);
1063 }
1064 }
1065 }
1066
1067 static int sony_nc_rfkill_set(void *data, bool blocked)
1068 {
1069 int result;
1070 int argument = sony_rfkill_address[(long) data] + 0x100;
1071
1072 if (!blocked)
1073 argument |= 0xff0000;
1074
1075 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1076 }
1077
1078 static const struct rfkill_ops sony_rfkill_ops = {
1079 .set_block = sony_nc_rfkill_set,
1080 };
1081
1082 static int sony_nc_setup_rfkill(struct acpi_device *device,
1083 enum sony_nc_rfkill nc_type)
1084 {
1085 int err = 0;
1086 struct rfkill *rfk;
1087 enum rfkill_type type;
1088 const char *name;
1089 int result;
1090 bool hwblock;
1091
1092 switch (nc_type) {
1093 case SONY_WIFI:
1094 type = RFKILL_TYPE_WLAN;
1095 name = "sony-wifi";
1096 break;
1097 case SONY_BLUETOOTH:
1098 type = RFKILL_TYPE_BLUETOOTH;
1099 name = "sony-bluetooth";
1100 break;
1101 case SONY_WWAN:
1102 type = RFKILL_TYPE_WWAN;
1103 name = "sony-wwan";
1104 break;
1105 case SONY_WIMAX:
1106 type = RFKILL_TYPE_WIMAX;
1107 name = "sony-wimax";
1108 break;
1109 default:
1110 return -EINVAL;
1111 }
1112
1113 rfk = rfkill_alloc(name, &device->dev, type,
1114 &sony_rfkill_ops, (void *)nc_type);
1115 if (!rfk)
1116 return -ENOMEM;
1117
1118 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1119 hwblock = !(result & 0x1);
1120 rfkill_set_hw_state(rfk, hwblock);
1121
1122 err = rfkill_register(rfk);
1123 if (err) {
1124 rfkill_destroy(rfk);
1125 return err;
1126 }
1127 sony_rfkill_devices[nc_type] = rfk;
1128 return err;
1129 }
1130
1131 static void sony_nc_rfkill_update()
1132 {
1133 enum sony_nc_rfkill i;
1134 int result;
1135 bool hwblock;
1136
1137 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1138 hwblock = !(result & 0x1);
1139
1140 for (i = 0; i < N_SONY_RFKILL; i++) {
1141 int argument = sony_rfkill_address[i];
1142
1143 if (!sony_rfkill_devices[i])
1144 continue;
1145
1146 if (hwblock) {
1147 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1148 /* we already know we're blocked */
1149 }
1150 continue;
1151 }
1152
1153 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1154 rfkill_set_states(sony_rfkill_devices[i],
1155 !(result & 0xf), false);
1156 }
1157 }
1158
1159 static int sony_nc_rfkill_setup(struct acpi_device *device)
1160 {
1161 int result, ret;
1162
1163 if (sony_find_snc_handle(0x124) == -1) {
1164 if (sony_find_snc_handle(0x135) == -1)
1165 return -1;
1166 else
1167 sony_rfkill_handle = 0x135;
1168 } else
1169 sony_rfkill_handle = 0x124;
1170
1171 ret = sony_call_snc_handle(sony_rfkill_handle, 0xb00, &result);
1172 if (ret) {
1173 printk(KERN_INFO DRV_PFX
1174 "Unable to enumerate rfkill devices: %x\n", ret);
1175 return ret;
1176 }
1177
1178 if (result & 0x1)
1179 sony_nc_setup_rfkill(device, SONY_WIFI);
1180 if (result & 0x2)
1181 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1182 if (result & 0x1c)
1183 sony_nc_setup_rfkill(device, SONY_WWAN);
1184 if (result & 0x20)
1185 sony_nc_setup_rfkill(device, SONY_WIMAX);
1186
1187 return 0;
1188 }
1189
1190 static int sony_nc_add(struct acpi_device *device)
1191 {
1192 acpi_status status;
1193 int result = 0;
1194 acpi_handle handle;
1195 struct sony_nc_value *item;
1196
1197 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1198 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1199
1200 sony_nc_acpi_device = device;
1201 strcpy(acpi_device_class(device), "sony/hotkey");
1202
1203 sony_nc_acpi_handle = device->handle;
1204
1205 /* read device status */
1206 result = acpi_bus_get_status(device);
1207 /* bail IFF the above call was successful and the device is not present */
1208 if (!result && !device->status.present) {
1209 dprintk("Device not present\n");
1210 result = -ENODEV;
1211 goto outwalk;
1212 }
1213
1214 if (debug) {
1215 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1216 1, sony_walk_callback, NULL, NULL);
1217 if (ACPI_FAILURE(status)) {
1218 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1219 result = -ENODEV;
1220 goto outwalk;
1221 }
1222 }
1223
1224 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1225 &handle))) {
1226 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1227 dprintk("ECON Method failed\n");
1228 }
1229
1230 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1231 &handle))) {
1232 dprintk("Doing SNC setup\n");
1233 sony_nc_function_setup(device);
1234 sony_nc_rfkill_setup(device);
1235 }
1236
1237 /* setup input devices and helper fifo */
1238 result = sony_laptop_setup_input(device);
1239 if (result) {
1240 printk(KERN_ERR DRV_PFX
1241 "Unable to create input devices.\n");
1242 goto outwalk;
1243 }
1244
1245 if (acpi_video_backlight_support()) {
1246 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1247 "controlled by ACPI video driver\n");
1248 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1249 &handle))) {
1250 sony_backlight_device = backlight_device_register("sony", NULL,
1251 NULL,
1252 &sony_backlight_ops);
1253
1254 if (IS_ERR(sony_backlight_device)) {
1255 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1256 sony_backlight_device = NULL;
1257 } else {
1258 sony_backlight_device->props.brightness =
1259 sony_backlight_get_brightness
1260 (sony_backlight_device);
1261 sony_backlight_device->props.max_brightness =
1262 SONY_MAX_BRIGHTNESS - 1;
1263 }
1264
1265 }
1266
1267 result = sony_pf_add();
1268 if (result)
1269 goto outbacklight;
1270
1271 /* create sony_pf sysfs attributes related to the SNC device */
1272 for (item = sony_nc_values; item->name; ++item) {
1273
1274 if (!debug && item->debug)
1275 continue;
1276
1277 /* find the available acpiget as described in the DSDT */
1278 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1279 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1280 *item->acpiget,
1281 &handle))) {
1282 dprintk("Found %s getter: %s\n",
1283 item->name, *item->acpiget);
1284 item->devattr.attr.mode |= S_IRUGO;
1285 break;
1286 }
1287 }
1288
1289 /* find the available acpiset as described in the DSDT */
1290 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1291 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1292 *item->acpiset,
1293 &handle))) {
1294 dprintk("Found %s setter: %s\n",
1295 item->name, *item->acpiset);
1296 item->devattr.attr.mode |= S_IWUSR;
1297 break;
1298 }
1299 }
1300
1301 if (item->devattr.attr.mode != 0) {
1302 result =
1303 device_create_file(&sony_pf_device->dev,
1304 &item->devattr);
1305 if (result)
1306 goto out_sysfs;
1307 }
1308 }
1309
1310 return 0;
1311
1312 out_sysfs:
1313 for (item = sony_nc_values; item->name; ++item) {
1314 device_remove_file(&sony_pf_device->dev, &item->devattr);
1315 }
1316 sony_pf_remove();
1317
1318 outbacklight:
1319 if (sony_backlight_device)
1320 backlight_device_unregister(sony_backlight_device);
1321
1322 sony_laptop_remove_input();
1323
1324 outwalk:
1325 sony_nc_rfkill_cleanup();
1326 return result;
1327 }
1328
1329 static int sony_nc_remove(struct acpi_device *device, int type)
1330 {
1331 struct sony_nc_value *item;
1332
1333 if (sony_backlight_device)
1334 backlight_device_unregister(sony_backlight_device);
1335
1336 sony_nc_acpi_device = NULL;
1337
1338 for (item = sony_nc_values; item->name; ++item) {
1339 device_remove_file(&sony_pf_device->dev, &item->devattr);
1340 }
1341
1342 sony_pf_remove();
1343 sony_laptop_remove_input();
1344 sony_nc_rfkill_cleanup();
1345 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1346
1347 return 0;
1348 }
1349
1350 static const struct acpi_device_id sony_device_ids[] = {
1351 {SONY_NC_HID, 0},
1352 {SONY_PIC_HID, 0},
1353 {"", 0},
1354 };
1355 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1356
1357 static const struct acpi_device_id sony_nc_device_ids[] = {
1358 {SONY_NC_HID, 0},
1359 {"", 0},
1360 };
1361
1362 static struct acpi_driver sony_nc_driver = {
1363 .name = SONY_NC_DRIVER_NAME,
1364 .class = SONY_NC_CLASS,
1365 .ids = sony_nc_device_ids,
1366 .owner = THIS_MODULE,
1367 .ops = {
1368 .add = sony_nc_add,
1369 .remove = sony_nc_remove,
1370 .resume = sony_nc_resume,
1371 .notify = sony_nc_notify,
1372 },
1373 };
1374
1375 /*********** SPIC (SNY6001) Device ***********/
1376
1377 #define SONYPI_DEVICE_TYPE1 0x00000001
1378 #define SONYPI_DEVICE_TYPE2 0x00000002
1379 #define SONYPI_DEVICE_TYPE3 0x00000004
1380 #define SONYPI_DEVICE_TYPE4 0x00000008
1381
1382 #define SONYPI_TYPE1_OFFSET 0x04
1383 #define SONYPI_TYPE2_OFFSET 0x12
1384 #define SONYPI_TYPE3_OFFSET 0x12
1385
1386 struct sony_pic_ioport {
1387 struct acpi_resource_io io1;
1388 struct acpi_resource_io io2;
1389 struct list_head list;
1390 };
1391
1392 struct sony_pic_irq {
1393 struct acpi_resource_irq irq;
1394 struct list_head list;
1395 };
1396
1397 struct sonypi_eventtypes {
1398 u8 data;
1399 unsigned long mask;
1400 struct sonypi_event *events;
1401 };
1402
1403 struct sony_pic_dev {
1404 struct acpi_device *acpi_dev;
1405 struct sony_pic_irq *cur_irq;
1406 struct sony_pic_ioport *cur_ioport;
1407 struct list_head interrupts;
1408 struct list_head ioports;
1409 struct mutex lock;
1410 struct sonypi_eventtypes *event_types;
1411 int (*handle_irq)(const u8, const u8);
1412 int model;
1413 u16 evport_offset;
1414 u8 camera_power;
1415 u8 bluetooth_power;
1416 u8 wwan_power;
1417 };
1418
1419 static struct sony_pic_dev spic_dev = {
1420 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1421 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1422 };
1423
1424 static int spic_drv_registered;
1425
1426 /* Event masks */
1427 #define SONYPI_JOGGER_MASK 0x00000001
1428 #define SONYPI_CAPTURE_MASK 0x00000002
1429 #define SONYPI_FNKEY_MASK 0x00000004
1430 #define SONYPI_BLUETOOTH_MASK 0x00000008
1431 #define SONYPI_PKEY_MASK 0x00000010
1432 #define SONYPI_BACK_MASK 0x00000020
1433 #define SONYPI_HELP_MASK 0x00000040
1434 #define SONYPI_LID_MASK 0x00000080
1435 #define SONYPI_ZOOM_MASK 0x00000100
1436 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1437 #define SONYPI_MEYE_MASK 0x00000400
1438 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1439 #define SONYPI_BATTERY_MASK 0x00001000
1440 #define SONYPI_WIRELESS_MASK 0x00002000
1441
1442 struct sonypi_event {
1443 u8 data;
1444 u8 event;
1445 };
1446
1447 /* The set of possible button release events */
1448 static struct sonypi_event sonypi_releaseev[] = {
1449 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1450 { 0, 0 }
1451 };
1452
1453 /* The set of possible jogger events */
1454 static struct sonypi_event sonypi_joggerev[] = {
1455 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1456 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1457 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1458 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1459 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1460 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1461 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1462 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1463 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1464 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1465 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1466 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1467 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1468 { 0, 0 }
1469 };
1470
1471 /* The set of possible capture button events */
1472 static struct sonypi_event sonypi_captureev[] = {
1473 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1474 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1475 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1476 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1477 { 0, 0 }
1478 };
1479
1480 /* The set of possible fnkeys events */
1481 static struct sonypi_event sonypi_fnkeyev[] = {
1482 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1483 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1484 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1485 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1486 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1487 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1488 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1489 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1490 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1491 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1492 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1493 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1494 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1495 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1496 { 0x21, SONYPI_EVENT_FNKEY_1 },
1497 { 0x22, SONYPI_EVENT_FNKEY_2 },
1498 { 0x31, SONYPI_EVENT_FNKEY_D },
1499 { 0x32, SONYPI_EVENT_FNKEY_E },
1500 { 0x33, SONYPI_EVENT_FNKEY_F },
1501 { 0x34, SONYPI_EVENT_FNKEY_S },
1502 { 0x35, SONYPI_EVENT_FNKEY_B },
1503 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1504 { 0, 0 }
1505 };
1506
1507 /* The set of possible program key events */
1508 static struct sonypi_event sonypi_pkeyev[] = {
1509 { 0x01, SONYPI_EVENT_PKEY_P1 },
1510 { 0x02, SONYPI_EVENT_PKEY_P2 },
1511 { 0x04, SONYPI_EVENT_PKEY_P3 },
1512 { 0x20, SONYPI_EVENT_PKEY_P1 },
1513 { 0, 0 }
1514 };
1515
1516 /* The set of possible bluetooth events */
1517 static struct sonypi_event sonypi_blueev[] = {
1518 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1519 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1520 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1521 { 0, 0 }
1522 };
1523
1524 /* The set of possible wireless events */
1525 static struct sonypi_event sonypi_wlessev[] = {
1526 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1527 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1528 { 0, 0 }
1529 };
1530
1531 /* The set of possible back button events */
1532 static struct sonypi_event sonypi_backev[] = {
1533 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1534 { 0, 0 }
1535 };
1536
1537 /* The set of possible help button events */
1538 static struct sonypi_event sonypi_helpev[] = {
1539 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1540 { 0, 0 }
1541 };
1542
1543
1544 /* The set of possible lid events */
1545 static struct sonypi_event sonypi_lidev[] = {
1546 { 0x51, SONYPI_EVENT_LID_CLOSED },
1547 { 0x50, SONYPI_EVENT_LID_OPENED },
1548 { 0, 0 }
1549 };
1550
1551 /* The set of possible zoom events */
1552 static struct sonypi_event sonypi_zoomev[] = {
1553 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1554 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1555 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1556 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1557 { 0, 0 }
1558 };
1559
1560 /* The set of possible thumbphrase events */
1561 static struct sonypi_event sonypi_thumbphraseev[] = {
1562 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1563 { 0, 0 }
1564 };
1565
1566 /* The set of possible motioneye camera events */
1567 static struct sonypi_event sonypi_meyeev[] = {
1568 { 0x00, SONYPI_EVENT_MEYE_FACE },
1569 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1570 { 0, 0 }
1571 };
1572
1573 /* The set of possible memorystick events */
1574 static struct sonypi_event sonypi_memorystickev[] = {
1575 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1576 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1577 { 0, 0 }
1578 };
1579
1580 /* The set of possible battery events */
1581 static struct sonypi_event sonypi_batteryev[] = {
1582 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1583 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1584 { 0, 0 }
1585 };
1586
1587 /* The set of possible volume events */
1588 static struct sonypi_event sonypi_volumeev[] = {
1589 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1590 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1591 { 0, 0 }
1592 };
1593
1594 /* The set of possible brightness events */
1595 static struct sonypi_event sonypi_brightnessev[] = {
1596 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1597 { 0, 0 }
1598 };
1599
1600 static struct sonypi_eventtypes type1_events[] = {
1601 { 0, 0xffffffff, sonypi_releaseev },
1602 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1603 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1604 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1605 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1606 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1607 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1608 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1609 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1610 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1611 { 0 },
1612 };
1613 static struct sonypi_eventtypes type2_events[] = {
1614 { 0, 0xffffffff, sonypi_releaseev },
1615 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1616 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1617 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1618 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1619 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1620 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1621 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1622 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1623 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1624 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1625 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1626 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1627 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1628 { 0 },
1629 };
1630 static struct sonypi_eventtypes type3_events[] = {
1631 { 0, 0xffffffff, sonypi_releaseev },
1632 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1633 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1634 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1635 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1636 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1637 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1638 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1639 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1640 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1641 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1642 { 0 },
1643 };
1644
1645 /* low level spic calls */
1646 #define ITERATIONS_LONG 10000
1647 #define ITERATIONS_SHORT 10
1648 #define wait_on_command(command, iterations) { \
1649 unsigned int n = iterations; \
1650 while (--n && (command)) \
1651 udelay(1); \
1652 if (!n) \
1653 dprintk("command failed at %s : %s (line %d)\n", \
1654 __FILE__, __func__, __LINE__); \
1655 }
1656
1657 static u8 sony_pic_call1(u8 dev)
1658 {
1659 u8 v1, v2;
1660
1661 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1662 ITERATIONS_LONG);
1663 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1664 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1665 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1666 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1667 return v2;
1668 }
1669
1670 static u8 sony_pic_call2(u8 dev, u8 fn)
1671 {
1672 u8 v1;
1673
1674 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1675 ITERATIONS_LONG);
1676 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1677 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1678 ITERATIONS_LONG);
1679 outb(fn, spic_dev.cur_ioport->io1.minimum);
1680 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1681 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1682 return v1;
1683 }
1684
1685 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1686 {
1687 u8 v1;
1688
1689 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1690 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1691 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1692 outb(fn, spic_dev.cur_ioport->io1.minimum);
1693 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1694 outb(v, spic_dev.cur_ioport->io1.minimum);
1695 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1696 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1697 dev, fn, v, v1);
1698 return v1;
1699 }
1700
1701 /*
1702 * minidrivers for SPIC models
1703 */
1704 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1705 {
1706 /*
1707 * 0x31 could mean we have to take some extra action and wait for
1708 * the next irq for some Type3 models, it will generate a new
1709 * irq and we can read new data from the device:
1710 * - 0x5c and 0x5f requires 0xA0
1711 * - 0x61 requires 0xB3
1712 */
1713 if (data_mask == 0x31) {
1714 if (ev == 0x5c || ev == 0x5f)
1715 sony_pic_call1(0xA0);
1716 else if (ev == 0x61)
1717 sony_pic_call1(0xB3);
1718 return 0;
1719 }
1720 return 1;
1721 }
1722
1723 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1724 {
1725 struct pci_dev *pcidev;
1726
1727 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1728 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1729 if (pcidev) {
1730 dev->model = SONYPI_DEVICE_TYPE1;
1731 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1732 dev->event_types = type1_events;
1733 goto out;
1734 }
1735
1736 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1737 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1738 if (pcidev) {
1739 dev->model = SONYPI_DEVICE_TYPE2;
1740 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1741 dev->event_types = type2_events;
1742 goto out;
1743 }
1744
1745 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1746 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1747 if (pcidev) {
1748 dev->model = SONYPI_DEVICE_TYPE3;
1749 dev->handle_irq = type3_handle_irq;
1750 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1751 dev->event_types = type3_events;
1752 goto out;
1753 }
1754
1755 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1756 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1757 if (pcidev) {
1758 dev->model = SONYPI_DEVICE_TYPE3;
1759 dev->handle_irq = type3_handle_irq;
1760 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1761 dev->event_types = type3_events;
1762 goto out;
1763 }
1764
1765 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1766 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1767 if (pcidev) {
1768 dev->model = SONYPI_DEVICE_TYPE3;
1769 dev->handle_irq = type3_handle_irq;
1770 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1771 dev->event_types = type3_events;
1772 goto out;
1773 }
1774
1775 /* default */
1776 dev->model = SONYPI_DEVICE_TYPE2;
1777 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1778 dev->event_types = type2_events;
1779
1780 out:
1781 if (pcidev)
1782 pci_dev_put(pcidev);
1783
1784 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1785 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1786 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1787 }
1788
1789 /* camera tests and poweron/poweroff */
1790 #define SONYPI_CAMERA_PICTURE 5
1791 #define SONYPI_CAMERA_CONTROL 0x10
1792
1793 #define SONYPI_CAMERA_BRIGHTNESS 0
1794 #define SONYPI_CAMERA_CONTRAST 1
1795 #define SONYPI_CAMERA_HUE 2
1796 #define SONYPI_CAMERA_COLOR 3
1797 #define SONYPI_CAMERA_SHARPNESS 4
1798
1799 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1800 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1801 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1802 #define SONYPI_CAMERA_MUTE_MASK 0x40
1803
1804 /* the rest don't need a loop until not 0xff */
1805 #define SONYPI_CAMERA_AGC 6
1806 #define SONYPI_CAMERA_AGC_MASK 0x30
1807 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1808
1809 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1810 #define SONYPI_CAMERA_CONTROL 0x10
1811
1812 #define SONYPI_CAMERA_STATUS 7
1813 #define SONYPI_CAMERA_STATUS_READY 0x2
1814 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1815
1816 #define SONYPI_DIRECTION_BACKWARDS 0x4
1817
1818 #define SONYPI_CAMERA_REVISION 8
1819 #define SONYPI_CAMERA_ROMVERSION 9
1820
1821 static int __sony_pic_camera_ready(void)
1822 {
1823 u8 v;
1824
1825 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1826 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1827 }
1828
1829 static int __sony_pic_camera_off(void)
1830 {
1831 if (!camera) {
1832 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1833 return -ENODEV;
1834 }
1835
1836 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1837 SONYPI_CAMERA_MUTE_MASK),
1838 ITERATIONS_SHORT);
1839
1840 if (spic_dev.camera_power) {
1841 sony_pic_call2(0x91, 0);
1842 spic_dev.camera_power = 0;
1843 }
1844 return 0;
1845 }
1846
1847 static int __sony_pic_camera_on(void)
1848 {
1849 int i, j, x;
1850
1851 if (!camera) {
1852 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1853 return -ENODEV;
1854 }
1855
1856 if (spic_dev.camera_power)
1857 return 0;
1858
1859 for (j = 5; j > 0; j--) {
1860
1861 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1862 msleep(10);
1863 sony_pic_call1(0x93);
1864
1865 for (i = 400; i > 0; i--) {
1866 if (__sony_pic_camera_ready())
1867 break;
1868 msleep(10);
1869 }
1870 if (i)
1871 break;
1872 }
1873
1874 if (j == 0) {
1875 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1876 return -ENODEV;
1877 }
1878
1879 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1880 0x5a),
1881 ITERATIONS_SHORT);
1882
1883 spic_dev.camera_power = 1;
1884 return 0;
1885 }
1886
1887 /* External camera command (exported to the motion eye v4l driver) */
1888 int sony_pic_camera_command(int command, u8 value)
1889 {
1890 if (!camera)
1891 return -EIO;
1892
1893 mutex_lock(&spic_dev.lock);
1894
1895 switch (command) {
1896 case SONY_PIC_COMMAND_SETCAMERA:
1897 if (value)
1898 __sony_pic_camera_on();
1899 else
1900 __sony_pic_camera_off();
1901 break;
1902 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1903 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1904 ITERATIONS_SHORT);
1905 break;
1906 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1907 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1908 ITERATIONS_SHORT);
1909 break;
1910 case SONY_PIC_COMMAND_SETCAMERAHUE:
1911 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1912 ITERATIONS_SHORT);
1913 break;
1914 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1915 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1916 ITERATIONS_SHORT);
1917 break;
1918 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1919 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1920 ITERATIONS_SHORT);
1921 break;
1922 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1923 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1924 ITERATIONS_SHORT);
1925 break;
1926 case SONY_PIC_COMMAND_SETCAMERAAGC:
1927 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1928 ITERATIONS_SHORT);
1929 break;
1930 default:
1931 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1932 command);
1933 break;
1934 }
1935 mutex_unlock(&spic_dev.lock);
1936 return 0;
1937 }
1938 EXPORT_SYMBOL(sony_pic_camera_command);
1939
1940 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1941 static void __sony_pic_set_wwanpower(u8 state)
1942 {
1943 state = !!state;
1944 if (spic_dev.wwan_power == state)
1945 return;
1946 sony_pic_call2(0xB0, state);
1947 sony_pic_call1(0x82);
1948 spic_dev.wwan_power = state;
1949 }
1950
1951 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1952 struct device_attribute *attr,
1953 const char *buffer, size_t count)
1954 {
1955 unsigned long value;
1956 if (count > 31)
1957 return -EINVAL;
1958
1959 value = simple_strtoul(buffer, NULL, 10);
1960 mutex_lock(&spic_dev.lock);
1961 __sony_pic_set_wwanpower(value);
1962 mutex_unlock(&spic_dev.lock);
1963
1964 return count;
1965 }
1966
1967 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1968 struct device_attribute *attr, char *buffer)
1969 {
1970 ssize_t count;
1971 mutex_lock(&spic_dev.lock);
1972 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1973 mutex_unlock(&spic_dev.lock);
1974 return count;
1975 }
1976
1977 /* bluetooth subsystem power state */
1978 static void __sony_pic_set_bluetoothpower(u8 state)
1979 {
1980 state = !!state;
1981 if (spic_dev.bluetooth_power == state)
1982 return;
1983 sony_pic_call2(0x96, state);
1984 sony_pic_call1(0x82);
1985 spic_dev.bluetooth_power = state;
1986 }
1987
1988 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1989 struct device_attribute *attr,
1990 const char *buffer, size_t count)
1991 {
1992 unsigned long value;
1993 if (count > 31)
1994 return -EINVAL;
1995
1996 value = simple_strtoul(buffer, NULL, 10);
1997 mutex_lock(&spic_dev.lock);
1998 __sony_pic_set_bluetoothpower(value);
1999 mutex_unlock(&spic_dev.lock);
2000
2001 return count;
2002 }
2003
2004 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2005 struct device_attribute *attr, char *buffer)
2006 {
2007 ssize_t count = 0;
2008 mutex_lock(&spic_dev.lock);
2009 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2010 mutex_unlock(&spic_dev.lock);
2011 return count;
2012 }
2013
2014 /* fan speed */
2015 /* FAN0 information (reverse engineered from ACPI tables) */
2016 #define SONY_PIC_FAN0_STATUS 0x93
2017 static int sony_pic_set_fanspeed(unsigned long value)
2018 {
2019 return ec_write(SONY_PIC_FAN0_STATUS, value);
2020 }
2021
2022 static int sony_pic_get_fanspeed(u8 *value)
2023 {
2024 return ec_read(SONY_PIC_FAN0_STATUS, value);
2025 }
2026
2027 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2028 struct device_attribute *attr,
2029 const char *buffer, size_t count)
2030 {
2031 unsigned long value;
2032 if (count > 31)
2033 return -EINVAL;
2034
2035 value = simple_strtoul(buffer, NULL, 10);
2036 if (sony_pic_set_fanspeed(value))
2037 return -EIO;
2038
2039 return count;
2040 }
2041
2042 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2043 struct device_attribute *attr, char *buffer)
2044 {
2045 u8 value = 0;
2046 if (sony_pic_get_fanspeed(&value))
2047 return -EIO;
2048
2049 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2050 }
2051
2052 #define SPIC_ATTR(_name, _mode) \
2053 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2054 _mode, sony_pic_## _name ##_show, \
2055 sony_pic_## _name ##_store)
2056
2057 static SPIC_ATTR(bluetoothpower, 0644);
2058 static SPIC_ATTR(wwanpower, 0644);
2059 static SPIC_ATTR(fanspeed, 0644);
2060
2061 static struct attribute *spic_attributes[] = {
2062 &spic_attr_bluetoothpower.attr,
2063 &spic_attr_wwanpower.attr,
2064 &spic_attr_fanspeed.attr,
2065 NULL
2066 };
2067
2068 static struct attribute_group spic_attribute_group = {
2069 .attrs = spic_attributes
2070 };
2071
2072 /******** SONYPI compatibility **********/
2073 #ifdef CONFIG_SONYPI_COMPAT
2074
2075 /* battery / brightness / temperature addresses */
2076 #define SONYPI_BAT_FLAGS 0x81
2077 #define SONYPI_LCD_LIGHT 0x96
2078 #define SONYPI_BAT1_PCTRM 0xa0
2079 #define SONYPI_BAT1_LEFT 0xa2
2080 #define SONYPI_BAT1_MAXRT 0xa4
2081 #define SONYPI_BAT2_PCTRM 0xa8
2082 #define SONYPI_BAT2_LEFT 0xaa
2083 #define SONYPI_BAT2_MAXRT 0xac
2084 #define SONYPI_BAT1_MAXTK 0xb0
2085 #define SONYPI_BAT1_FULL 0xb2
2086 #define SONYPI_BAT2_MAXTK 0xb8
2087 #define SONYPI_BAT2_FULL 0xba
2088 #define SONYPI_TEMP_STATUS 0xC1
2089
2090 struct sonypi_compat_s {
2091 struct fasync_struct *fifo_async;
2092 struct kfifo *fifo;
2093 spinlock_t fifo_lock;
2094 wait_queue_head_t fifo_proc_list;
2095 atomic_t open_count;
2096 };
2097 static struct sonypi_compat_s sonypi_compat = {
2098 .open_count = ATOMIC_INIT(0),
2099 };
2100
2101 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2102 {
2103 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2104 }
2105
2106 static int sonypi_misc_release(struct inode *inode, struct file *file)
2107 {
2108 atomic_dec(&sonypi_compat.open_count);
2109 return 0;
2110 }
2111
2112 static int sonypi_misc_open(struct inode *inode, struct file *file)
2113 {
2114 /* Flush input queue on first open */
2115 unsigned long flags;
2116
2117 spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2118
2119 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2120 __kfifo_reset(sonypi_compat.fifo);
2121
2122 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2123
2124 return 0;
2125 }
2126
2127 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2128 size_t count, loff_t *pos)
2129 {
2130 ssize_t ret;
2131 unsigned char c;
2132
2133 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2134 (file->f_flags & O_NONBLOCK))
2135 return -EAGAIN;
2136
2137 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2138 kfifo_len(sonypi_compat.fifo) != 0);
2139 if (ret)
2140 return ret;
2141
2142 while (ret < count &&
2143 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2144 if (put_user(c, buf++))
2145 return -EFAULT;
2146 ret++;
2147 }
2148
2149 if (ret > 0) {
2150 struct inode *inode = file->f_path.dentry->d_inode;
2151 inode->i_atime = current_fs_time(inode->i_sb);
2152 }
2153
2154 return ret;
2155 }
2156
2157 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2158 {
2159 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2160 if (kfifo_len(sonypi_compat.fifo))
2161 return POLLIN | POLLRDNORM;
2162 return 0;
2163 }
2164
2165 static int ec_read16(u8 addr, u16 *value)
2166 {
2167 u8 val_lb, val_hb;
2168 if (ec_read(addr, &val_lb))
2169 return -1;
2170 if (ec_read(addr + 1, &val_hb))
2171 return -1;
2172 *value = val_lb | (val_hb << 8);
2173 return 0;
2174 }
2175
2176 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2177 unsigned long arg)
2178 {
2179 int ret = 0;
2180 void __user *argp = (void __user *)arg;
2181 u8 val8;
2182 u16 val16;
2183 int value;
2184
2185 mutex_lock(&spic_dev.lock);
2186 switch (cmd) {
2187 case SONYPI_IOCGBRT:
2188 if (sony_backlight_device == NULL) {
2189 ret = -EIO;
2190 break;
2191 }
2192 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2193 ret = -EIO;
2194 break;
2195 }
2196 val8 = ((value & 0xff) - 1) << 5;
2197 if (copy_to_user(argp, &val8, sizeof(val8)))
2198 ret = -EFAULT;
2199 break;
2200 case SONYPI_IOCSBRT:
2201 if (sony_backlight_device == NULL) {
2202 ret = -EIO;
2203 break;
2204 }
2205 if (copy_from_user(&val8, argp, sizeof(val8))) {
2206 ret = -EFAULT;
2207 break;
2208 }
2209 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2210 (val8 >> 5) + 1, NULL)) {
2211 ret = -EIO;
2212 break;
2213 }
2214 /* sync the backlight device status */
2215 sony_backlight_device->props.brightness =
2216 sony_backlight_get_brightness(sony_backlight_device);
2217 break;
2218 case SONYPI_IOCGBAT1CAP:
2219 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2220 ret = -EIO;
2221 break;
2222 }
2223 if (copy_to_user(argp, &val16, sizeof(val16)))
2224 ret = -EFAULT;
2225 break;
2226 case SONYPI_IOCGBAT1REM:
2227 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2228 ret = -EIO;
2229 break;
2230 }
2231 if (copy_to_user(argp, &val16, sizeof(val16)))
2232 ret = -EFAULT;
2233 break;
2234 case SONYPI_IOCGBAT2CAP:
2235 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2236 ret = -EIO;
2237 break;
2238 }
2239 if (copy_to_user(argp, &val16, sizeof(val16)))
2240 ret = -EFAULT;
2241 break;
2242 case SONYPI_IOCGBAT2REM:
2243 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2244 ret = -EIO;
2245 break;
2246 }
2247 if (copy_to_user(argp, &val16, sizeof(val16)))
2248 ret = -EFAULT;
2249 break;
2250 case SONYPI_IOCGBATFLAGS:
2251 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2252 ret = -EIO;
2253 break;
2254 }
2255 val8 &= 0x07;
2256 if (copy_to_user(argp, &val8, sizeof(val8)))
2257 ret = -EFAULT;
2258 break;
2259 case SONYPI_IOCGBLUE:
2260 val8 = spic_dev.bluetooth_power;
2261 if (copy_to_user(argp, &val8, sizeof(val8)))
2262 ret = -EFAULT;
2263 break;
2264 case SONYPI_IOCSBLUE:
2265 if (copy_from_user(&val8, argp, sizeof(val8))) {
2266 ret = -EFAULT;
2267 break;
2268 }
2269 __sony_pic_set_bluetoothpower(val8);
2270 break;
2271 /* FAN Controls */
2272 case SONYPI_IOCGFAN:
2273 if (sony_pic_get_fanspeed(&val8)) {
2274 ret = -EIO;
2275 break;
2276 }
2277 if (copy_to_user(argp, &val8, sizeof(val8)))
2278 ret = -EFAULT;
2279 break;
2280 case SONYPI_IOCSFAN:
2281 if (copy_from_user(&val8, argp, sizeof(val8))) {
2282 ret = -EFAULT;
2283 break;
2284 }
2285 if (sony_pic_set_fanspeed(val8))
2286 ret = -EIO;
2287 break;
2288 /* GET Temperature (useful under APM) */
2289 case SONYPI_IOCGTEMP:
2290 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2291 ret = -EIO;
2292 break;
2293 }
2294 if (copy_to_user(argp, &val8, sizeof(val8)))
2295 ret = -EFAULT;
2296 break;
2297 default:
2298 ret = -EINVAL;
2299 }
2300 mutex_unlock(&spic_dev.lock);
2301 return ret;
2302 }
2303
2304 static const struct file_operations sonypi_misc_fops = {
2305 .owner = THIS_MODULE,
2306 .read = sonypi_misc_read,
2307 .poll = sonypi_misc_poll,
2308 .open = sonypi_misc_open,
2309 .release = sonypi_misc_release,
2310 .fasync = sonypi_misc_fasync,
2311 .unlocked_ioctl = sonypi_misc_ioctl,
2312 };
2313
2314 static struct miscdevice sonypi_misc_device = {
2315 .minor = MISC_DYNAMIC_MINOR,
2316 .name = "sonypi",
2317 .fops = &sonypi_misc_fops,
2318 };
2319
2320 static void sonypi_compat_report_event(u8 event)
2321 {
2322 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2323 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2324 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2325 }
2326
2327 static int sonypi_compat_init(void)
2328 {
2329 int error;
2330
2331 spin_lock_init(&sonypi_compat.fifo_lock);
2332 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2333 &sonypi_compat.fifo_lock);
2334 if (IS_ERR(sonypi_compat.fifo)) {
2335 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2336 return PTR_ERR(sonypi_compat.fifo);
2337 }
2338
2339 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2340
2341 if (minor != -1)
2342 sonypi_misc_device.minor = minor;
2343 error = misc_register(&sonypi_misc_device);
2344 if (error) {
2345 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2346 goto err_free_kfifo;
2347 }
2348 if (minor == -1)
2349 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2350 sonypi_misc_device.minor);
2351
2352 return 0;
2353
2354 err_free_kfifo:
2355 kfifo_free(sonypi_compat.fifo);
2356 return error;
2357 }
2358
2359 static void sonypi_compat_exit(void)
2360 {
2361 misc_deregister(&sonypi_misc_device);
2362 kfifo_free(sonypi_compat.fifo);
2363 }
2364 #else
2365 static int sonypi_compat_init(void) { return 0; }
2366 static void sonypi_compat_exit(void) { }
2367 static void sonypi_compat_report_event(u8 event) { }
2368 #endif /* CONFIG_SONYPI_COMPAT */
2369
2370 /*
2371 * ACPI callbacks
2372 */
2373 static acpi_status
2374 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2375 {
2376 u32 i;
2377 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2378
2379 switch (resource->type) {
2380 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2381 {
2382 /* start IO enumeration */
2383 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2384 if (!ioport)
2385 return AE_ERROR;
2386
2387 list_add(&ioport->list, &dev->ioports);
2388 return AE_OK;
2389 }
2390
2391 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2392 /* end IO enumeration */
2393 return AE_OK;
2394
2395 case ACPI_RESOURCE_TYPE_IRQ:
2396 {
2397 struct acpi_resource_irq *p = &resource->data.irq;
2398 struct sony_pic_irq *interrupt = NULL;
2399 if (!p || !p->interrupt_count) {
2400 /*
2401 * IRQ descriptors may have no IRQ# bits set,
2402 * particularly those those w/ _STA disabled
2403 */
2404 dprintk("Blank IRQ resource\n");
2405 return AE_OK;
2406 }
2407 for (i = 0; i < p->interrupt_count; i++) {
2408 if (!p->interrupts[i]) {
2409 printk(KERN_WARNING DRV_PFX
2410 "Invalid IRQ %d\n",
2411 p->interrupts[i]);
2412 continue;
2413 }
2414 interrupt = kzalloc(sizeof(*interrupt),
2415 GFP_KERNEL);
2416 if (!interrupt)
2417 return AE_ERROR;
2418
2419 list_add(&interrupt->list, &dev->interrupts);
2420 interrupt->irq.triggering = p->triggering;
2421 interrupt->irq.polarity = p->polarity;
2422 interrupt->irq.sharable = p->sharable;
2423 interrupt->irq.interrupt_count = 1;
2424 interrupt->irq.interrupts[0] = p->interrupts[i];
2425 }
2426 return AE_OK;
2427 }
2428 case ACPI_RESOURCE_TYPE_IO:
2429 {
2430 struct acpi_resource_io *io = &resource->data.io;
2431 struct sony_pic_ioport *ioport =
2432 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2433 if (!io) {
2434 dprintk("Blank IO resource\n");
2435 return AE_OK;
2436 }
2437
2438 if (!ioport->io1.minimum) {
2439 memcpy(&ioport->io1, io, sizeof(*io));
2440 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2441 ioport->io1.address_length);
2442 }
2443 else if (!ioport->io2.minimum) {
2444 memcpy(&ioport->io2, io, sizeof(*io));
2445 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2446 ioport->io2.address_length);
2447 }
2448 else {
2449 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2450 return AE_ERROR;
2451 }
2452 return AE_OK;
2453 }
2454 default:
2455 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2456 resource->type);
2457
2458 case ACPI_RESOURCE_TYPE_END_TAG:
2459 return AE_OK;
2460 }
2461 return AE_CTRL_TERMINATE;
2462 }
2463
2464 static int sony_pic_possible_resources(struct acpi_device *device)
2465 {
2466 int result = 0;
2467 acpi_status status = AE_OK;
2468
2469 if (!device)
2470 return -EINVAL;
2471
2472 /* get device status */
2473 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2474 dprintk("Evaluating _STA\n");
2475 result = acpi_bus_get_status(device);
2476 if (result) {
2477 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2478 goto end;
2479 }
2480
2481 if (!device->status.enabled)
2482 dprintk("Device disabled\n");
2483 else
2484 dprintk("Device enabled\n");
2485
2486 /*
2487 * Query and parse 'method'
2488 */
2489 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2490 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2491 sony_pic_read_possible_resource, &spic_dev);
2492 if (ACPI_FAILURE(status)) {
2493 printk(KERN_WARNING DRV_PFX
2494 "Failure evaluating %s\n",
2495 METHOD_NAME__PRS);
2496 result = -ENODEV;
2497 }
2498 end:
2499 return result;
2500 }
2501
2502 /*
2503 * Disable the spic device by calling its _DIS method
2504 */
2505 static int sony_pic_disable(struct acpi_device *device)
2506 {
2507 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2508 NULL);
2509
2510 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2511 return -ENXIO;
2512
2513 dprintk("Device disabled\n");
2514 return 0;
2515 }
2516
2517
2518 /*
2519 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2520 *
2521 * Call _SRS to set current resources
2522 */
2523 static int sony_pic_enable(struct acpi_device *device,
2524 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2525 {
2526 acpi_status status;
2527 int result = 0;
2528 /* Type 1 resource layout is:
2529 * IO
2530 * IO
2531 * IRQNoFlags
2532 * End
2533 *
2534 * Type 2 and 3 resource layout is:
2535 * IO
2536 * IRQNoFlags
2537 * End
2538 */
2539 struct {
2540 struct acpi_resource res1;
2541 struct acpi_resource res2;
2542 struct acpi_resource res3;
2543 struct acpi_resource res4;
2544 } *resource;
2545 struct acpi_buffer buffer = { 0, NULL };
2546
2547 if (!ioport || !irq)
2548 return -EINVAL;
2549
2550 /* init acpi_buffer */
2551 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2552 if (!resource)
2553 return -ENOMEM;
2554
2555 buffer.length = sizeof(*resource) + 1;
2556 buffer.pointer = resource;
2557
2558 /* setup Type 1 resources */
2559 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2560
2561 /* setup io resources */
2562 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2563 resource->res1.length = sizeof(struct acpi_resource);
2564 memcpy(&resource->res1.data.io, &ioport->io1,
2565 sizeof(struct acpi_resource_io));
2566
2567 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2568 resource->res2.length = sizeof(struct acpi_resource);
2569 memcpy(&resource->res2.data.io, &ioport->io2,
2570 sizeof(struct acpi_resource_io));
2571
2572 /* setup irq resource */
2573 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2574 resource->res3.length = sizeof(struct acpi_resource);
2575 memcpy(&resource->res3.data.irq, &irq->irq,
2576 sizeof(struct acpi_resource_irq));
2577 /* we requested a shared irq */
2578 resource->res3.data.irq.sharable = ACPI_SHARED;
2579
2580 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2581
2582 }
2583 /* setup Type 2/3 resources */
2584 else {
2585 /* setup io resource */
2586 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2587 resource->res1.length = sizeof(struct acpi_resource);
2588 memcpy(&resource->res1.data.io, &ioport->io1,
2589 sizeof(struct acpi_resource_io));
2590
2591 /* setup irq resource */
2592 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2593 resource->res2.length = sizeof(struct acpi_resource);
2594 memcpy(&resource->res2.data.irq, &irq->irq,
2595 sizeof(struct acpi_resource_irq));
2596 /* we requested a shared irq */
2597 resource->res2.data.irq.sharable = ACPI_SHARED;
2598
2599 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2600 }
2601
2602 /* Attempt to set the resource */
2603 dprintk("Evaluating _SRS\n");
2604 status = acpi_set_current_resources(device->handle, &buffer);
2605
2606 /* check for total failure */
2607 if (ACPI_FAILURE(status)) {
2608 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2609 result = -ENODEV;
2610 goto end;
2611 }
2612
2613 /* Necessary device initializations calls (from sonypi) */
2614 sony_pic_call1(0x82);
2615 sony_pic_call2(0x81, 0xff);
2616 sony_pic_call1(compat ? 0x92 : 0x82);
2617
2618 end:
2619 kfree(resource);
2620 return result;
2621 }
2622
2623 /*****************
2624 *
2625 * ISR: some event is available
2626 *
2627 *****************/
2628 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2629 {
2630 int i, j;
2631 u8 ev = 0;
2632 u8 data_mask = 0;
2633 u8 device_event = 0;
2634
2635 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2636
2637 ev = inb_p(dev->cur_ioport->io1.minimum);
2638 if (dev->cur_ioport->io2.minimum)
2639 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2640 else
2641 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2642 dev->evport_offset);
2643
2644 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2645 ev, data_mask, dev->cur_ioport->io1.minimum,
2646 dev->evport_offset);
2647
2648 if (ev == 0x00 || ev == 0xff)
2649 return IRQ_HANDLED;
2650
2651 for (i = 0; dev->event_types[i].mask; i++) {
2652
2653 if ((data_mask & dev->event_types[i].data) !=
2654 dev->event_types[i].data)
2655 continue;
2656
2657 if (!(mask & dev->event_types[i].mask))
2658 continue;
2659
2660 for (j = 0; dev->event_types[i].events[j].event; j++) {
2661 if (ev == dev->event_types[i].events[j].data) {
2662 device_event =
2663 dev->event_types[i].events[j].event;
2664 goto found;
2665 }
2666 }
2667 }
2668 /* Still not able to decode the event try to pass
2669 * it over to the minidriver
2670 */
2671 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2672 return IRQ_HANDLED;
2673
2674 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2675 ev, data_mask, dev->cur_ioport->io1.minimum,
2676 dev->evport_offset);
2677 return IRQ_HANDLED;
2678
2679 found:
2680 sony_laptop_report_input_event(device_event);
2681 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2682 sonypi_compat_report_event(device_event);
2683
2684 return IRQ_HANDLED;
2685 }
2686
2687 /*****************
2688 *
2689 * ACPI driver
2690 *
2691 *****************/
2692 static int sony_pic_remove(struct acpi_device *device, int type)
2693 {
2694 struct sony_pic_ioport *io, *tmp_io;
2695 struct sony_pic_irq *irq, *tmp_irq;
2696
2697 if (sony_pic_disable(device)) {
2698 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2699 return -ENXIO;
2700 }
2701
2702 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2703 release_region(spic_dev.cur_ioport->io1.minimum,
2704 spic_dev.cur_ioport->io1.address_length);
2705 if (spic_dev.cur_ioport->io2.minimum)
2706 release_region(spic_dev.cur_ioport->io2.minimum,
2707 spic_dev.cur_ioport->io2.address_length);
2708
2709 sonypi_compat_exit();
2710
2711 sony_laptop_remove_input();
2712
2713 /* pf attrs */
2714 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2715 sony_pf_remove();
2716
2717 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2718 list_del(&io->list);
2719 kfree(io);
2720 }
2721 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2722 list_del(&irq->list);
2723 kfree(irq);
2724 }
2725 spic_dev.cur_ioport = NULL;
2726 spic_dev.cur_irq = NULL;
2727
2728 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2729 return 0;
2730 }
2731
2732 static int sony_pic_add(struct acpi_device *device)
2733 {
2734 int result;
2735 struct sony_pic_ioport *io, *tmp_io;
2736 struct sony_pic_irq *irq, *tmp_irq;
2737
2738 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2739 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2740
2741 spic_dev.acpi_dev = device;
2742 strcpy(acpi_device_class(device), "sony/hotkey");
2743 sony_pic_detect_device_type(&spic_dev);
2744 mutex_init(&spic_dev.lock);
2745
2746 /* read _PRS resources */
2747 result = sony_pic_possible_resources(device);
2748 if (result) {
2749 printk(KERN_ERR DRV_PFX
2750 "Unable to read possible resources.\n");
2751 goto err_free_resources;
2752 }
2753
2754 /* setup input devices and helper fifo */
2755 result = sony_laptop_setup_input(device);
2756 if (result) {
2757 printk(KERN_ERR DRV_PFX
2758 "Unable to create input devices.\n");
2759 goto err_free_resources;
2760 }
2761
2762 if (sonypi_compat_init())
2763 goto err_remove_input;
2764
2765 /* request io port */
2766 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2767 if (request_region(io->io1.minimum, io->io1.address_length,
2768 "Sony Programable I/O Device")) {
2769 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2770 io->io1.minimum, io->io1.maximum,
2771 io->io1.address_length);
2772 /* Type 1 have 2 ioports */
2773 if (io->io2.minimum) {
2774 if (request_region(io->io2.minimum,
2775 io->io2.address_length,
2776 "Sony Programable I/O Device")) {
2777 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2778 io->io2.minimum, io->io2.maximum,
2779 io->io2.address_length);
2780 spic_dev.cur_ioport = io;
2781 break;
2782 }
2783 else {
2784 dprintk("Unable to get I/O port2: "
2785 "0x%.4x (0x%.4x) + 0x%.2x\n",
2786 io->io2.minimum, io->io2.maximum,
2787 io->io2.address_length);
2788 release_region(io->io1.minimum,
2789 io->io1.address_length);
2790 }
2791 }
2792 else {
2793 spic_dev.cur_ioport = io;
2794 break;
2795 }
2796 }
2797 }
2798 if (!spic_dev.cur_ioport) {
2799 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2800 result = -ENODEV;
2801 goto err_remove_compat;
2802 }
2803
2804 /* request IRQ */
2805 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2806 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2807 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2808 dprintk("IRQ: %d - triggering: %d - "
2809 "polarity: %d - shr: %d\n",
2810 irq->irq.interrupts[0],
2811 irq->irq.triggering,
2812 irq->irq.polarity,
2813 irq->irq.sharable);
2814 spic_dev.cur_irq = irq;
2815 break;
2816 }
2817 }
2818 if (!spic_dev.cur_irq) {
2819 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2820 result = -ENODEV;
2821 goto err_release_region;
2822 }
2823
2824 /* set resource status _SRS */
2825 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2826 if (result) {
2827 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2828 goto err_free_irq;
2829 }
2830
2831 spic_dev.bluetooth_power = -1;
2832 /* create device attributes */
2833 result = sony_pf_add();
2834 if (result)
2835 goto err_disable_device;
2836
2837 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2838 if (result)
2839 goto err_remove_pf;
2840
2841 return 0;
2842
2843 err_remove_pf:
2844 sony_pf_remove();
2845
2846 err_disable_device:
2847 sony_pic_disable(device);
2848
2849 err_free_irq:
2850 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2851
2852 err_release_region:
2853 release_region(spic_dev.cur_ioport->io1.minimum,
2854 spic_dev.cur_ioport->io1.address_length);
2855 if (spic_dev.cur_ioport->io2.minimum)
2856 release_region(spic_dev.cur_ioport->io2.minimum,
2857 spic_dev.cur_ioport->io2.address_length);
2858
2859 err_remove_compat:
2860 sonypi_compat_exit();
2861
2862 err_remove_input:
2863 sony_laptop_remove_input();
2864
2865 err_free_resources:
2866 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2867 list_del(&io->list);
2868 kfree(io);
2869 }
2870 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2871 list_del(&irq->list);
2872 kfree(irq);
2873 }
2874 spic_dev.cur_ioport = NULL;
2875 spic_dev.cur_irq = NULL;
2876
2877 return result;
2878 }
2879
2880 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2881 {
2882 if (sony_pic_disable(device))
2883 return -ENXIO;
2884 return 0;
2885 }
2886
2887 static int sony_pic_resume(struct acpi_device *device)
2888 {
2889 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2890 return 0;
2891 }
2892
2893 static const struct acpi_device_id sony_pic_device_ids[] = {
2894 {SONY_PIC_HID, 0},
2895 {"", 0},
2896 };
2897
2898 static struct acpi_driver sony_pic_driver = {
2899 .name = SONY_PIC_DRIVER_NAME,
2900 .class = SONY_PIC_CLASS,
2901 .ids = sony_pic_device_ids,
2902 .owner = THIS_MODULE,
2903 .ops = {
2904 .add = sony_pic_add,
2905 .remove = sony_pic_remove,
2906 .suspend = sony_pic_suspend,
2907 .resume = sony_pic_resume,
2908 },
2909 };
2910
2911 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2912 {
2913 .ident = "Sony Vaio",
2914 .matches = {
2915 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2916 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2917 },
2918 },
2919 {
2920 .ident = "Sony Vaio",
2921 .matches = {
2922 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2923 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2924 },
2925 },
2926 { }
2927 };
2928
2929 static int __init sony_laptop_init(void)
2930 {
2931 int result;
2932
2933 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2934 result = acpi_bus_register_driver(&sony_pic_driver);
2935 if (result) {
2936 printk(KERN_ERR DRV_PFX
2937 "Unable to register SPIC driver.");
2938 goto out;
2939 }
2940 spic_drv_registered = 1;
2941 }
2942
2943 result = acpi_bus_register_driver(&sony_nc_driver);
2944 if (result) {
2945 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2946 goto out_unregister_pic;
2947 }
2948
2949 return 0;
2950
2951 out_unregister_pic:
2952 if (spic_drv_registered)
2953 acpi_bus_unregister_driver(&sony_pic_driver);
2954 out:
2955 return result;
2956 }
2957
2958 static void __exit sony_laptop_exit(void)
2959 {
2960 acpi_bus_unregister_driver(&sony_nc_driver);
2961 if (spic_drv_registered)
2962 acpi_bus_unregister_driver(&sony_pic_driver);
2963 }
2964
2965 module_init(sony_laptop_init);
2966 module_exit(sony_laptop_exit);
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