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ACPICA: Major update for acpi_get_object_info external interface
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / platform / x86 / sony-laptop.c
blobf9f68e0e73443b4c7348b31744ae1fe5cb860a7c
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127 SONY_WIFI,
128 SONY_BLUETOOTH,
129 SONY_WWAN,
130 SONY_WIMAX,
131 N_SONY_RFKILL,
132 };
133
134 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
135 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
136 static void sony_nc_rfkill_update(void);
137
138 /*********** Input Devices ***********/
139
140 #define SONY_LAPTOP_BUF_SIZE 128
141 struct sony_laptop_input_s {
142 atomic_t users;
143 struct input_dev *jog_dev;
144 struct input_dev *key_dev;
145 struct kfifo *fifo;
146 spinlock_t fifo_lock;
147 struct workqueue_struct *wq;
148 };
149
150 static struct sony_laptop_input_s sony_laptop_input = {
151 .users = ATOMIC_INIT(0),
152 };
153
154 struct sony_laptop_keypress {
155 struct input_dev *dev;
156 int key;
157 };
158
159 /* Correspondance table between sonypi events
160 * and input layer indexes in the keymap
161 */
162 static int sony_laptop_input_index[] = {
163 -1, /* 0 no event */
164 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
165 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
166 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
167 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
168 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
169 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
170 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
171 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
172 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
173 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
174 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
175 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
176 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
177 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
178 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
179 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
180 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
181 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
182 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
183 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
184 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
185 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
186 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
187 17, /* 24 SONYPI_EVENT_FNKEY_1 */
188 18, /* 25 SONYPI_EVENT_FNKEY_2 */
189 19, /* 26 SONYPI_EVENT_FNKEY_D */
190 20, /* 27 SONYPI_EVENT_FNKEY_E */
191 21, /* 28 SONYPI_EVENT_FNKEY_F */
192 22, /* 29 SONYPI_EVENT_FNKEY_S */
193 23, /* 30 SONYPI_EVENT_FNKEY_B */
194 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
195 25, /* 32 SONYPI_EVENT_PKEY_P1 */
196 26, /* 33 SONYPI_EVENT_PKEY_P2 */
197 27, /* 34 SONYPI_EVENT_PKEY_P3 */
198 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
199 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
200 -1, /* 37 SONYPI_EVENT_LID_OPENED */
201 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
202 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
203 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
204 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
205 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
206 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
207 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
208 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
209 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
210 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
211 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
212 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
213 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
214 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
215 43, /* 52 SONYPI_EVENT_MEYE_FACE */
216 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
217 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
218 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
219 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
220 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
221 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
222 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
223 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
224 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
225 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
226 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
227 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
228 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
229 53, /* 66 SONYPI_EVENT_PKEY_P4 */
230 54, /* 67 SONYPI_EVENT_PKEY_P5 */
231 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
232 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
233 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
234 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
235 };
236
237 static int sony_laptop_input_keycode_map[] = {
238 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
239 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
240 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
241 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
242 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
243 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
244 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
245 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
246 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
247 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
248 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
249 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
250 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
251 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
252 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
253 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
254 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
255 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
256 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
257 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
258 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
259 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
260 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
261 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
262 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
263 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
264 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
265 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
266 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
267 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
268 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
269 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
270 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
271 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
272 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
273 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
274 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
275 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
276 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
277 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
278 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
279 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
280 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
281 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
282 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
283 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
284 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
285 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
286 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
287 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
288 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
290 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
291 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
292 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
293 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
294 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
295 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 };
297
298 /* release buttons after a short delay if pressed */
299 static void do_sony_laptop_release_key(struct work_struct *work)
300 {
301 struct sony_laptop_keypress kp;
302
303 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
304 sizeof(kp)) == sizeof(kp)) {
305 msleep(10);
306 input_report_key(kp.dev, kp.key, 0);
307 input_sync(kp.dev);
308 }
309 }
310 static DECLARE_WORK(sony_laptop_release_key_work,
311 do_sony_laptop_release_key);
312
313 /* forward event to the input subsystem */
314 static void sony_laptop_report_input_event(u8 event)
315 {
316 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
317 struct input_dev *key_dev = sony_laptop_input.key_dev;
318 struct sony_laptop_keypress kp = { NULL };
319
320 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
321 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
322 /* Nothing, not all VAIOs generate this event */
323 return;
324 }
325
326 /* report events */
327 switch (event) {
328 /* jog_dev events */
329 case SONYPI_EVENT_JOGDIAL_UP:
330 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
331 input_report_rel(jog_dev, REL_WHEEL, 1);
332 input_sync(jog_dev);
333 return;
334
335 case SONYPI_EVENT_JOGDIAL_DOWN:
336 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
337 input_report_rel(jog_dev, REL_WHEEL, -1);
338 input_sync(jog_dev);
339 return;
340
341 /* key_dev events */
342 case SONYPI_EVENT_JOGDIAL_PRESSED:
343 kp.key = BTN_MIDDLE;
344 kp.dev = jog_dev;
345 break;
346
347 default:
348 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
349 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
350 break;
351 }
352 if (sony_laptop_input_index[event] != -1) {
353 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
354 if (kp.key != KEY_UNKNOWN)
355 kp.dev = key_dev;
356 }
357 break;
358 }
359
360 if (kp.dev) {
361 input_report_key(kp.dev, kp.key, 1);
362 /* we emit the scancode so we can always remap the key */
363 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
364 input_sync(kp.dev);
365 kfifo_put(sony_laptop_input.fifo,
366 (unsigned char *)&kp, sizeof(kp));
367
368 if (!work_pending(&sony_laptop_release_key_work))
369 queue_work(sony_laptop_input.wq,
370 &sony_laptop_release_key_work);
371 } else
372 dprintk("unknown input event %.2x\n", event);
373 }
374
375 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
376 {
377 struct input_dev *jog_dev;
378 struct input_dev *key_dev;
379 int i;
380 int error;
381
382 /* don't run again if already initialized */
383 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
384 return 0;
385
386 /* kfifo */
387 spin_lock_init(&sony_laptop_input.fifo_lock);
388 sony_laptop_input.fifo =
389 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
390 &sony_laptop_input.fifo_lock);
391 if (IS_ERR(sony_laptop_input.fifo)) {
392 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
393 error = PTR_ERR(sony_laptop_input.fifo);
394 goto err_dec_users;
395 }
396
397 /* init workqueue */
398 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
399 if (!sony_laptop_input.wq) {
400 printk(KERN_ERR DRV_PFX
401 "Unable to create workqueue.\n");
402 error = -ENXIO;
403 goto err_free_kfifo;
404 }
405
406 /* input keys */
407 key_dev = input_allocate_device();
408 if (!key_dev) {
409 error = -ENOMEM;
410 goto err_destroy_wq;
411 }
412
413 key_dev->name = "Sony Vaio Keys";
414 key_dev->id.bustype = BUS_ISA;
415 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
416 key_dev->dev.parent = &acpi_device->dev;
417
418 /* Initialize the Input Drivers: special keys */
419 set_bit(EV_KEY, key_dev->evbit);
420 set_bit(EV_MSC, key_dev->evbit);
421 set_bit(MSC_SCAN, key_dev->mscbit);
422 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
423 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
424 key_dev->keycode = &sony_laptop_input_keycode_map;
425 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
426 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
427 set_bit(sony_laptop_input_keycode_map[i],
428 key_dev->keybit);
429 }
430 }
431
432 error = input_register_device(key_dev);
433 if (error)
434 goto err_free_keydev;
435
436 sony_laptop_input.key_dev = key_dev;
437
438 /* jogdial */
439 jog_dev = input_allocate_device();
440 if (!jog_dev) {
441 error = -ENOMEM;
442 goto err_unregister_keydev;
443 }
444
445 jog_dev->name = "Sony Vaio Jogdial";
446 jog_dev->id.bustype = BUS_ISA;
447 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
448 key_dev->dev.parent = &acpi_device->dev;
449
450 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
451 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
452 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
453
454 error = input_register_device(jog_dev);
455 if (error)
456 goto err_free_jogdev;
457
458 sony_laptop_input.jog_dev = jog_dev;
459
460 return 0;
461
462 err_free_jogdev:
463 input_free_device(jog_dev);
464
465 err_unregister_keydev:
466 input_unregister_device(key_dev);
467 /* to avoid kref underflow below at input_free_device */
468 key_dev = NULL;
469
470 err_free_keydev:
471 input_free_device(key_dev);
472
473 err_destroy_wq:
474 destroy_workqueue(sony_laptop_input.wq);
475
476 err_free_kfifo:
477 kfifo_free(sony_laptop_input.fifo);
478
479 err_dec_users:
480 atomic_dec(&sony_laptop_input.users);
481 return error;
482 }
483
484 static void sony_laptop_remove_input(void)
485 {
486 /* cleanup only after the last user has gone */
487 if (!atomic_dec_and_test(&sony_laptop_input.users))
488 return;
489
490 /* flush workqueue first */
491 flush_workqueue(sony_laptop_input.wq);
492
493 /* destroy input devs */
494 input_unregister_device(sony_laptop_input.key_dev);
495 sony_laptop_input.key_dev = NULL;
496
497 if (sony_laptop_input.jog_dev) {
498 input_unregister_device(sony_laptop_input.jog_dev);
499 sony_laptop_input.jog_dev = NULL;
500 }
501
502 destroy_workqueue(sony_laptop_input.wq);
503 kfifo_free(sony_laptop_input.fifo);
504 }
505
506 /*********** Platform Device ***********/
507
508 static atomic_t sony_pf_users = ATOMIC_INIT(0);
509 static struct platform_driver sony_pf_driver = {
510 .driver = {
511 .name = "sony-laptop",
512 .owner = THIS_MODULE,
513 }
514 };
515 static struct platform_device *sony_pf_device;
516
517 static int sony_pf_add(void)
518 {
519 int ret = 0;
520
521 /* don't run again if already initialized */
522 if (atomic_add_return(1, &sony_pf_users) > 1)
523 return 0;
524
525 ret = platform_driver_register(&sony_pf_driver);
526 if (ret)
527 goto out;
528
529 sony_pf_device = platform_device_alloc("sony-laptop", -1);
530 if (!sony_pf_device) {
531 ret = -ENOMEM;
532 goto out_platform_registered;
533 }
534
535 ret = platform_device_add(sony_pf_device);
536 if (ret)
537 goto out_platform_alloced;
538
539 return 0;
540
541 out_platform_alloced:
542 platform_device_put(sony_pf_device);
543 sony_pf_device = NULL;
544 out_platform_registered:
545 platform_driver_unregister(&sony_pf_driver);
546 out:
547 atomic_dec(&sony_pf_users);
548 return ret;
549 }
550
551 static void sony_pf_remove(void)
552 {
553 /* deregister only after the last user has gone */
554 if (!atomic_dec_and_test(&sony_pf_users))
555 return;
556
557 platform_device_del(sony_pf_device);
558 platform_device_put(sony_pf_device);
559 platform_driver_unregister(&sony_pf_driver);
560 }
561
562 /*********** SNC (SNY5001) Device ***********/
563
564 /* the device uses 1-based values, while the backlight subsystem uses
565 0-based values */
566 #define SONY_MAX_BRIGHTNESS 8
567
568 #define SNC_VALIDATE_IN 0
569 #define SNC_VALIDATE_OUT 1
570
571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
572 char *);
573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
574 const char *, size_t);
575 static int boolean_validate(const int, const int);
576 static int brightness_default_validate(const int, const int);
577
578 struct sony_nc_value {
579 char *name; /* name of the entry */
580 char **acpiget; /* names of the ACPI get function */
581 char **acpiset; /* names of the ACPI set function */
582 int (*validate)(const int, const int); /* input/output validation */
583 int value; /* current setting */
584 int valid; /* Has ever been set */
585 int debug; /* active only in debug mode ? */
586 struct device_attribute devattr; /* sysfs atribute */
587 };
588
589 #define SNC_HANDLE_NAMES(_name, _values...) \
590 static char *snc_##_name[] = { _values, NULL }
591
592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
593 { \
594 .name = __stringify(_name), \
595 .acpiget = _getters, \
596 .acpiset = _setters, \
597 .validate = _validate, \
598 .debug = _debug, \
599 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
600 }
601
602 #define SNC_HANDLE_NULL { .name = NULL }
603
604 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
605
606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
608
609 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
611
612 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
613 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
614
615 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
616 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
617
618 SNC_HANDLE_NAMES(lidstate_get, "GLID");
619
620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
622
623 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
624 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
625
626 SNC_HANDLE_NAMES(PID_get, "GPID");
627
628 SNC_HANDLE_NAMES(CTR_get, "GCTR");
629 SNC_HANDLE_NAMES(CTR_set, "SCTR");
630
631 SNC_HANDLE_NAMES(PCR_get, "GPCR");
632 SNC_HANDLE_NAMES(PCR_set, "SPCR");
633
634 SNC_HANDLE_NAMES(CMI_get, "GCMI");
635 SNC_HANDLE_NAMES(CMI_set, "SCMI");
636
637 static struct sony_nc_value sony_nc_values[] = {
638 SNC_HANDLE(brightness_default, snc_brightness_def_get,
639 snc_brightness_def_set, brightness_default_validate, 0),
640 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
641 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
642 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
643 boolean_validate, 0),
644 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
645 boolean_validate, 1),
646 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
647 boolean_validate, 0),
648 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
649 boolean_validate, 0),
650 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
651 boolean_validate, 0),
652 /* unknown methods */
653 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
654 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
655 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
656 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
657 SNC_HANDLE_NULL
658 };
659
660 static acpi_handle sony_nc_acpi_handle;
661 static struct acpi_device *sony_nc_acpi_device = NULL;
662
663 /*
664 * acpi_evaluate_object wrappers
665 */
666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
667 {
668 struct acpi_buffer output;
669 union acpi_object out_obj;
670 acpi_status status;
671
672 output.length = sizeof(out_obj);
673 output.pointer = &out_obj;
674
675 status = acpi_evaluate_object(handle, name, NULL, &output);
676 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
677 *result = out_obj.integer.value;
678 return 0;
679 }
680
681 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
682
683 return -1;
684 }
685
686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
687 int *result)
688 {
689 struct acpi_object_list params;
690 union acpi_object in_obj;
691 struct acpi_buffer output;
692 union acpi_object out_obj;
693 acpi_status status;
694
695 params.count = 1;
696 params.pointer = &in_obj;
697 in_obj.type = ACPI_TYPE_INTEGER;
698 in_obj.integer.value = value;
699
700 output.length = sizeof(out_obj);
701 output.pointer = &out_obj;
702
703 status = acpi_evaluate_object(handle, name, &params, &output);
704 if (status == AE_OK) {
705 if (result != NULL) {
706 if (out_obj.type != ACPI_TYPE_INTEGER) {
707 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
708 "return type\n");
709 return -1;
710 }
711 *result = out_obj.integer.value;
712 }
713 return 0;
714 }
715
716 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
717
718 return -1;
719 }
720
721 static int sony_find_snc_handle(int handle)
722 {
723 int i;
724 int result;
725
726 for (i = 0x20; i < 0x30; i++) {
727 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
728 if (result == handle)
729 return i-0x20;
730 }
731
732 return -1;
733 }
734
735 static int sony_call_snc_handle(int handle, int argument, int *result)
736 {
737 int offset = sony_find_snc_handle(handle);
738
739 if (offset < 0)
740 return -1;
741
742 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
743 result);
744 }
745
746 /*
747 * sony_nc_values input/output validate functions
748 */
749
750 /* brightness_default_validate:
751 *
752 * manipulate input output values to keep consistency with the
753 * backlight framework for which brightness values are 0-based.
754 */
755 static int brightness_default_validate(const int direction, const int value)
756 {
757 switch (direction) {
758 case SNC_VALIDATE_OUT:
759 return value - 1;
760 case SNC_VALIDATE_IN:
761 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
762 return value + 1;
763 }
764 return -EINVAL;
765 }
766
767 /* boolean_validate:
768 *
769 * on input validate boolean values 0/1, on output just pass the
770 * received value.
771 */
772 static int boolean_validate(const int direction, const int value)
773 {
774 if (direction == SNC_VALIDATE_IN) {
775 if (value != 0 && value != 1)
776 return -EINVAL;
777 }
778 return value;
779 }
780
781 /*
782 * Sysfs show/store common to all sony_nc_values
783 */
784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
785 char *buffer)
786 {
787 int value;
788 struct sony_nc_value *item =
789 container_of(attr, struct sony_nc_value, devattr);
790
791 if (!*item->acpiget)
792 return -EIO;
793
794 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
795 return -EIO;
796
797 if (item->validate)
798 value = item->validate(SNC_VALIDATE_OUT, value);
799
800 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
801 }
802
803 static ssize_t sony_nc_sysfs_store(struct device *dev,
804 struct device_attribute *attr,
805 const char *buffer, size_t count)
806 {
807 int value;
808 struct sony_nc_value *item =
809 container_of(attr, struct sony_nc_value, devattr);
810
811 if (!item->acpiset)
812 return -EIO;
813
814 if (count > 31)
815 return -EINVAL;
816
817 value = simple_strtoul(buffer, NULL, 10);
818
819 if (item->validate)
820 value = item->validate(SNC_VALIDATE_IN, value);
821
822 if (value < 0)
823 return value;
824
825 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
826 return -EIO;
827 item->value = value;
828 item->valid = 1;
829 return count;
830 }
831
832
833 /*
834 * Backlight device
835 */
836 static int sony_backlight_update_status(struct backlight_device *bd)
837 {
838 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
839 bd->props.brightness + 1, NULL);
840 }
841
842 static int sony_backlight_get_brightness(struct backlight_device *bd)
843 {
844 int value;
845
846 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
847 return 0;
848 /* brightness levels are 1-based, while backlight ones are 0-based */
849 return value - 1;
850 }
851
852 static struct backlight_device *sony_backlight_device;
853 static struct backlight_ops sony_backlight_ops = {
854 .update_status = sony_backlight_update_status,
855 .get_brightness = sony_backlight_get_brightness,
856 };
857
858 /*
859 * New SNC-only Vaios event mapping to driver known keys
860 */
861 struct sony_nc_event {
862 u8 data;
863 u8 event;
864 };
865
866 static struct sony_nc_event sony_100_events[] = {
867 { 0x90, SONYPI_EVENT_PKEY_P1 },
868 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
869 { 0x91, SONYPI_EVENT_PKEY_P2 },
870 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
871 { 0x81, SONYPI_EVENT_FNKEY_F1 },
872 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
873 { 0x82, SONYPI_EVENT_FNKEY_F2 },
874 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
875 { 0x83, SONYPI_EVENT_FNKEY_F3 },
876 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
877 { 0x84, SONYPI_EVENT_FNKEY_F4 },
878 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
879 { 0x85, SONYPI_EVENT_FNKEY_F5 },
880 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
881 { 0x86, SONYPI_EVENT_FNKEY_F6 },
882 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
883 { 0x87, SONYPI_EVENT_FNKEY_F7 },
884 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
885 { 0x89, SONYPI_EVENT_FNKEY_F9 },
886 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
887 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
888 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
889 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
890 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
891 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
892 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
893 { 0, 0 },
894 };
895
896 static struct sony_nc_event sony_127_events[] = {
897 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
898 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
899 { 0x82, SONYPI_EVENT_PKEY_P1 },
900 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
901 { 0x83, SONYPI_EVENT_PKEY_P2 },
902 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
903 { 0x84, SONYPI_EVENT_PKEY_P3 },
904 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
905 { 0x85, SONYPI_EVENT_PKEY_P4 },
906 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
907 { 0x86, SONYPI_EVENT_PKEY_P5 },
908 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
909 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
910 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
911 { 0, 0 },
912 };
913
914 /*
915 * ACPI callbacks
916 */
917 static void sony_nc_notify(struct acpi_device *device, u32 event)
918 {
919 u32 ev = event;
920
921 if (ev >= 0x90) {
922 /* New-style event */
923 int result;
924 int key_handle = 0;
925 ev -= 0x90;
926
927 if (sony_find_snc_handle(0x100) == ev)
928 key_handle = 0x100;
929 if (sony_find_snc_handle(0x127) == ev)
930 key_handle = 0x127;
931
932 if (key_handle) {
933 struct sony_nc_event *key_event;
934
935 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
936 dprintk("sony_nc_notify, unable to decode"
937 " event 0x%.2x 0x%.2x\n", key_handle,
938 ev);
939 /* restore the original event */
940 ev = event;
941 } else {
942 ev = result & 0xFF;
943
944 if (key_handle == 0x100)
945 key_event = sony_100_events;
946 else
947 key_event = sony_127_events;
948
949 for (; key_event->data; key_event++) {
950 if (key_event->data == ev) {
951 ev = key_event->event;
952 break;
953 }
954 }
955
956 if (!key_event->data)
957 printk(KERN_INFO DRV_PFX
958 "Unknown event: 0x%x 0x%x\n",
959 key_handle,
960 ev);
961 else
962 sony_laptop_report_input_event(ev);
963 }
964 } else if (sony_find_snc_handle(0x124) == ev) {
965 sony_nc_rfkill_update();
966 return;
967 }
968 } else
969 sony_laptop_report_input_event(ev);
970
971 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
972 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
973 }
974
975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
976 void *context, void **return_value)
977 {
978 struct acpi_device_info *info;
979
980 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
981 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
982 (char *)&info->name, info->param_count);
983
984 kfree(info);
985 }
986
987 return AE_OK;
988 }
989
990 /*
991 * ACPI device
992 */
993 static int sony_nc_function_setup(struct acpi_device *device)
994 {
995 int result;
996
997 /* Enable all events */
998 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
999
1000 /* Setup hotkeys */
1001 sony_call_snc_handle(0x0100, 0, &result);
1002 sony_call_snc_handle(0x0101, 0, &result);
1003 sony_call_snc_handle(0x0102, 0x100, &result);
1004 sony_call_snc_handle(0x0127, 0, &result);
1005
1006 return 0;
1007 }
1008
1009 static int sony_nc_resume(struct acpi_device *device)
1010 {
1011 struct sony_nc_value *item;
1012 acpi_handle handle;
1013
1014 for (item = sony_nc_values; item->name; item++) {
1015 int ret;
1016
1017 if (!item->valid)
1018 continue;
1019 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1020 item->value, NULL);
1021 if (ret < 0) {
1022 printk("%s: %d\n", __func__, ret);
1023 break;
1024 }
1025 }
1026
1027 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1028 &handle))) {
1029 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1030 dprintk("ECON Method failed\n");
1031 }
1032
1033 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1034 &handle))) {
1035 dprintk("Doing SNC setup\n");
1036 sony_nc_function_setup(device);
1037 }
1038
1039 /* set the last requested brightness level */
1040 if (sony_backlight_device &&
1041 sony_backlight_update_status(sony_backlight_device) < 0)
1042 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1043
1044 return 0;
1045 }
1046
1047 static void sony_nc_rfkill_cleanup(void)
1048 {
1049 int i;
1050
1051 for (i = 0; i < N_SONY_RFKILL; i++) {
1052 if (sony_rfkill_devices[i]) {
1053 rfkill_unregister(sony_rfkill_devices[i]);
1054 rfkill_destroy(sony_rfkill_devices[i]);
1055 }
1056 }
1057 }
1058
1059 static int sony_nc_rfkill_set(void *data, bool blocked)
1060 {
1061 int result;
1062 int argument = sony_rfkill_address[(long) data] + 0x100;
1063
1064 if (!blocked)
1065 argument |= 0xff0000;
1066
1067 return sony_call_snc_handle(0x124, argument, &result);
1068 }
1069
1070 static const struct rfkill_ops sony_rfkill_ops = {
1071 .set_block = sony_nc_rfkill_set,
1072 };
1073
1074 static int sony_nc_setup_rfkill(struct acpi_device *device,
1075 enum sony_nc_rfkill nc_type)
1076 {
1077 int err = 0;
1078 struct rfkill *rfk;
1079 enum rfkill_type type;
1080 const char *name;
1081
1082 switch (nc_type) {
1083 case SONY_WIFI:
1084 type = RFKILL_TYPE_WLAN;
1085 name = "sony-wifi";
1086 break;
1087 case SONY_BLUETOOTH:
1088 type = RFKILL_TYPE_BLUETOOTH;
1089 name = "sony-bluetooth";
1090 break;
1091 case SONY_WWAN:
1092 type = RFKILL_TYPE_WWAN;
1093 name = "sony-wwan";
1094 break;
1095 case SONY_WIMAX:
1096 type = RFKILL_TYPE_WIMAX;
1097 name = "sony-wimax";
1098 break;
1099 default:
1100 return -EINVAL;
1101 }
1102
1103 rfk = rfkill_alloc(name, &device->dev, type,
1104 &sony_rfkill_ops, (void *)nc_type);
1105 if (!rfk)
1106 return -ENOMEM;
1107
1108 err = rfkill_register(rfk);
1109 if (err) {
1110 rfkill_destroy(rfk);
1111 return err;
1112 }
1113 sony_rfkill_devices[nc_type] = rfk;
1114 return err;
1115 }
1116
1117 static void sony_nc_rfkill_update()
1118 {
1119 enum sony_nc_rfkill i;
1120 int result;
1121 bool hwblock;
1122
1123 sony_call_snc_handle(0x124, 0x200, &result);
1124 hwblock = !(result & 0x1);
1125
1126 for (i = 0; i < N_SONY_RFKILL; i++) {
1127 int argument = sony_rfkill_address[i];
1128
1129 if (!sony_rfkill_devices[i])
1130 continue;
1131
1132 if (hwblock) {
1133 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1134 /* we already know we're blocked */
1135 }
1136 continue;
1137 }
1138
1139 sony_call_snc_handle(0x124, argument, &result);
1140 rfkill_set_states(sony_rfkill_devices[i],
1141 !(result & 0xf), false);
1142 }
1143 }
1144
1145 static int sony_nc_rfkill_setup(struct acpi_device *device)
1146 {
1147 int result, ret;
1148
1149 if (sony_find_snc_handle(0x124) == -1)
1150 return -1;
1151
1152 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1153 if (ret) {
1154 printk(KERN_INFO DRV_PFX
1155 "Unable to enumerate rfkill devices: %x\n", ret);
1156 return ret;
1157 }
1158
1159 if (result & 0x1)
1160 sony_nc_setup_rfkill(device, SONY_WIFI);
1161 if (result & 0x2)
1162 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1163 if (result & 0x1c)
1164 sony_nc_setup_rfkill(device, SONY_WWAN);
1165 if (result & 0x20)
1166 sony_nc_setup_rfkill(device, SONY_WIMAX);
1167
1168 return 0;
1169 }
1170
1171 static int sony_nc_add(struct acpi_device *device)
1172 {
1173 acpi_status status;
1174 int result = 0;
1175 acpi_handle handle;
1176 struct sony_nc_value *item;
1177
1178 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1179 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1180
1181 sony_nc_acpi_device = device;
1182 strcpy(acpi_device_class(device), "sony/hotkey");
1183
1184 sony_nc_acpi_handle = device->handle;
1185
1186 /* read device status */
1187 result = acpi_bus_get_status(device);
1188 /* bail IFF the above call was successful and the device is not present */
1189 if (!result && !device->status.present) {
1190 dprintk("Device not present\n");
1191 result = -ENODEV;
1192 goto outwalk;
1193 }
1194
1195 if (debug) {
1196 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1197 1, sony_walk_callback, NULL, NULL);
1198 if (ACPI_FAILURE(status)) {
1199 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1200 result = -ENODEV;
1201 goto outwalk;
1202 }
1203 }
1204
1205 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1206 * should be respected as we already checked for the device presence above */
1207 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1208 dprintk("Invoking _INI\n");
1209 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1210 NULL, NULL)))
1211 dprintk("_INI Method failed\n");
1212 }
1213
1214 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1215 &handle))) {
1216 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1217 dprintk("ECON Method failed\n");
1218 }
1219
1220 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1221 &handle))) {
1222 dprintk("Doing SNC setup\n");
1223 sony_nc_function_setup(device);
1224 sony_nc_rfkill_setup(device);
1225 }
1226
1227 /* setup input devices and helper fifo */
1228 result = sony_laptop_setup_input(device);
1229 if (result) {
1230 printk(KERN_ERR DRV_PFX
1231 "Unable to create input devices.\n");
1232 goto outwalk;
1233 }
1234
1235 if (acpi_video_backlight_support()) {
1236 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1237 "controlled by ACPI video driver\n");
1238 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1239 &handle))) {
1240 sony_backlight_device = backlight_device_register("sony", NULL,
1241 NULL,
1242 &sony_backlight_ops);
1243
1244 if (IS_ERR(sony_backlight_device)) {
1245 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1246 sony_backlight_device = NULL;
1247 } else {
1248 sony_backlight_device->props.brightness =
1249 sony_backlight_get_brightness
1250 (sony_backlight_device);
1251 sony_backlight_device->props.max_brightness =
1252 SONY_MAX_BRIGHTNESS - 1;
1253 }
1254
1255 }
1256
1257 result = sony_pf_add();
1258 if (result)
1259 goto outbacklight;
1260
1261 /* create sony_pf sysfs attributes related to the SNC device */
1262 for (item = sony_nc_values; item->name; ++item) {
1263
1264 if (!debug && item->debug)
1265 continue;
1266
1267 /* find the available acpiget as described in the DSDT */
1268 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1269 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1270 *item->acpiget,
1271 &handle))) {
1272 dprintk("Found %s getter: %s\n",
1273 item->name, *item->acpiget);
1274 item->devattr.attr.mode |= S_IRUGO;
1275 break;
1276 }
1277 }
1278
1279 /* find the available acpiset as described in the DSDT */
1280 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1281 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1282 *item->acpiset,
1283 &handle))) {
1284 dprintk("Found %s setter: %s\n",
1285 item->name, *item->acpiset);
1286 item->devattr.attr.mode |= S_IWUSR;
1287 break;
1288 }
1289 }
1290
1291 if (item->devattr.attr.mode != 0) {
1292 result =
1293 device_create_file(&sony_pf_device->dev,
1294 &item->devattr);
1295 if (result)
1296 goto out_sysfs;
1297 }
1298 }
1299
1300 return 0;
1301
1302 out_sysfs:
1303 for (item = sony_nc_values; item->name; ++item) {
1304 device_remove_file(&sony_pf_device->dev, &item->devattr);
1305 }
1306 sony_pf_remove();
1307
1308 outbacklight:
1309 if (sony_backlight_device)
1310 backlight_device_unregister(sony_backlight_device);
1311
1312 sony_laptop_remove_input();
1313
1314 outwalk:
1315 sony_nc_rfkill_cleanup();
1316 return result;
1317 }
1318
1319 static int sony_nc_remove(struct acpi_device *device, int type)
1320 {
1321 struct sony_nc_value *item;
1322
1323 if (sony_backlight_device)
1324 backlight_device_unregister(sony_backlight_device);
1325
1326 sony_nc_acpi_device = NULL;
1327
1328 for (item = sony_nc_values; item->name; ++item) {
1329 device_remove_file(&sony_pf_device->dev, &item->devattr);
1330 }
1331
1332 sony_pf_remove();
1333 sony_laptop_remove_input();
1334 sony_nc_rfkill_cleanup();
1335 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1336
1337 return 0;
1338 }
1339
1340 static const struct acpi_device_id sony_device_ids[] = {
1341 {SONY_NC_HID, 0},
1342 {SONY_PIC_HID, 0},
1343 {"", 0},
1344 };
1345 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1346
1347 static const struct acpi_device_id sony_nc_device_ids[] = {
1348 {SONY_NC_HID, 0},
1349 {"", 0},
1350 };
1351
1352 static struct acpi_driver sony_nc_driver = {
1353 .name = SONY_NC_DRIVER_NAME,
1354 .class = SONY_NC_CLASS,
1355 .ids = sony_nc_device_ids,
1356 .owner = THIS_MODULE,
1357 .ops = {
1358 .add = sony_nc_add,
1359 .remove = sony_nc_remove,
1360 .resume = sony_nc_resume,
1361 .notify = sony_nc_notify,
1362 },
1363 };
1364
1365 /*********** SPIC (SNY6001) Device ***********/
1366
1367 #define SONYPI_DEVICE_TYPE1 0x00000001
1368 #define SONYPI_DEVICE_TYPE2 0x00000002
1369 #define SONYPI_DEVICE_TYPE3 0x00000004
1370 #define SONYPI_DEVICE_TYPE4 0x00000008
1371
1372 #define SONYPI_TYPE1_OFFSET 0x04
1373 #define SONYPI_TYPE2_OFFSET 0x12
1374 #define SONYPI_TYPE3_OFFSET 0x12
1375
1376 struct sony_pic_ioport {
1377 struct acpi_resource_io io1;
1378 struct acpi_resource_io io2;
1379 struct list_head list;
1380 };
1381
1382 struct sony_pic_irq {
1383 struct acpi_resource_irq irq;
1384 struct list_head list;
1385 };
1386
1387 struct sonypi_eventtypes {
1388 u8 data;
1389 unsigned long mask;
1390 struct sonypi_event *events;
1391 };
1392
1393 struct device_ctrl {
1394 int model;
1395 int (*handle_irq)(const u8, const u8);
1396 u16 evport_offset;
1397 u8 has_camera;
1398 u8 has_bluetooth;
1399 u8 has_wwan;
1400 struct sonypi_eventtypes *event_types;
1401 };
1402
1403 struct sony_pic_dev {
1404 struct device_ctrl *control;
1405 struct acpi_device *acpi_dev;
1406 struct sony_pic_irq *cur_irq;
1407 struct sony_pic_ioport *cur_ioport;
1408 struct list_head interrupts;
1409 struct list_head ioports;
1410 struct mutex lock;
1411 u8 camera_power;
1412 u8 bluetooth_power;
1413 u8 wwan_power;
1414 };
1415
1416 static struct sony_pic_dev spic_dev = {
1417 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1418 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1419 };
1420
1421 /* Event masks */
1422 #define SONYPI_JOGGER_MASK 0x00000001
1423 #define SONYPI_CAPTURE_MASK 0x00000002
1424 #define SONYPI_FNKEY_MASK 0x00000004
1425 #define SONYPI_BLUETOOTH_MASK 0x00000008
1426 #define SONYPI_PKEY_MASK 0x00000010
1427 #define SONYPI_BACK_MASK 0x00000020
1428 #define SONYPI_HELP_MASK 0x00000040
1429 #define SONYPI_LID_MASK 0x00000080
1430 #define SONYPI_ZOOM_MASK 0x00000100
1431 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1432 #define SONYPI_MEYE_MASK 0x00000400
1433 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1434 #define SONYPI_BATTERY_MASK 0x00001000
1435 #define SONYPI_WIRELESS_MASK 0x00002000
1436
1437 struct sonypi_event {
1438 u8 data;
1439 u8 event;
1440 };
1441
1442 /* The set of possible button release events */
1443 static struct sonypi_event sonypi_releaseev[] = {
1444 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1445 { 0, 0 }
1446 };
1447
1448 /* The set of possible jogger events */
1449 static struct sonypi_event sonypi_joggerev[] = {
1450 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1451 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1452 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1453 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1454 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1455 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1456 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1457 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1458 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1459 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1460 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1461 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1462 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1463 { 0, 0 }
1464 };
1465
1466 /* The set of possible capture button events */
1467 static struct sonypi_event sonypi_captureev[] = {
1468 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1469 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1470 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1471 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1472 { 0, 0 }
1473 };
1474
1475 /* The set of possible fnkeys events */
1476 static struct sonypi_event sonypi_fnkeyev[] = {
1477 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1478 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1479 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1480 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1481 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1482 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1483 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1484 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1485 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1486 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1487 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1488 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1489 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1490 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1491 { 0x21, SONYPI_EVENT_FNKEY_1 },
1492 { 0x22, SONYPI_EVENT_FNKEY_2 },
1493 { 0x31, SONYPI_EVENT_FNKEY_D },
1494 { 0x32, SONYPI_EVENT_FNKEY_E },
1495 { 0x33, SONYPI_EVENT_FNKEY_F },
1496 { 0x34, SONYPI_EVENT_FNKEY_S },
1497 { 0x35, SONYPI_EVENT_FNKEY_B },
1498 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1499 { 0, 0 }
1500 };
1501
1502 /* The set of possible program key events */
1503 static struct sonypi_event sonypi_pkeyev[] = {
1504 { 0x01, SONYPI_EVENT_PKEY_P1 },
1505 { 0x02, SONYPI_EVENT_PKEY_P2 },
1506 { 0x04, SONYPI_EVENT_PKEY_P3 },
1507 { 0x20, SONYPI_EVENT_PKEY_P1 },
1508 { 0, 0 }
1509 };
1510
1511 /* The set of possible bluetooth events */
1512 static struct sonypi_event sonypi_blueev[] = {
1513 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1514 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1515 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1516 { 0, 0 }
1517 };
1518
1519 /* The set of possible wireless events */
1520 static struct sonypi_event sonypi_wlessev[] = {
1521 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1522 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1523 { 0, 0 }
1524 };
1525
1526 /* The set of possible back button events */
1527 static struct sonypi_event sonypi_backev[] = {
1528 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1529 { 0, 0 }
1530 };
1531
1532 /* The set of possible help button events */
1533 static struct sonypi_event sonypi_helpev[] = {
1534 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1535 { 0, 0 }
1536 };
1537
1538
1539 /* The set of possible lid events */
1540 static struct sonypi_event sonypi_lidev[] = {
1541 { 0x51, SONYPI_EVENT_LID_CLOSED },
1542 { 0x50, SONYPI_EVENT_LID_OPENED },
1543 { 0, 0 }
1544 };
1545
1546 /* The set of possible zoom events */
1547 static struct sonypi_event sonypi_zoomev[] = {
1548 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1549 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1550 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1551 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1552 { 0, 0 }
1553 };
1554
1555 /* The set of possible thumbphrase events */
1556 static struct sonypi_event sonypi_thumbphraseev[] = {
1557 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1558 { 0, 0 }
1559 };
1560
1561 /* The set of possible motioneye camera events */
1562 static struct sonypi_event sonypi_meyeev[] = {
1563 { 0x00, SONYPI_EVENT_MEYE_FACE },
1564 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1565 { 0, 0 }
1566 };
1567
1568 /* The set of possible memorystick events */
1569 static struct sonypi_event sonypi_memorystickev[] = {
1570 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1571 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1572 { 0, 0 }
1573 };
1574
1575 /* The set of possible battery events */
1576 static struct sonypi_event sonypi_batteryev[] = {
1577 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1578 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1579 { 0, 0 }
1580 };
1581
1582 /* The set of possible volume events */
1583 static struct sonypi_event sonypi_volumeev[] = {
1584 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1585 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1586 { 0, 0 }
1587 };
1588
1589 /* The set of possible brightness events */
1590 static struct sonypi_event sonypi_brightnessev[] = {
1591 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1592 { 0, 0 }
1593 };
1594
1595 static struct sonypi_eventtypes type1_events[] = {
1596 { 0, 0xffffffff, sonypi_releaseev },
1597 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1598 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1599 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1600 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1601 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1602 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1603 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1604 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1605 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1606 { 0 },
1607 };
1608 static struct sonypi_eventtypes type2_events[] = {
1609 { 0, 0xffffffff, sonypi_releaseev },
1610 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1611 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1612 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1613 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1614 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1615 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1616 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1617 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1618 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1619 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1620 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1621 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1622 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1623 { 0 },
1624 };
1625 static struct sonypi_eventtypes type3_events[] = {
1626 { 0, 0xffffffff, sonypi_releaseev },
1627 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1628 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1629 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1630 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1631 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1632 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1633 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1634 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1635 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1636 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1637 { 0 },
1638 };
1639
1640 /* low level spic calls */
1641 #define ITERATIONS_LONG 10000
1642 #define ITERATIONS_SHORT 10
1643 #define wait_on_command(command, iterations) { \
1644 unsigned int n = iterations; \
1645 while (--n && (command)) \
1646 udelay(1); \
1647 if (!n) \
1648 dprintk("command failed at %s : %s (line %d)\n", \
1649 __FILE__, __func__, __LINE__); \
1650 }
1651
1652 static u8 sony_pic_call1(u8 dev)
1653 {
1654 u8 v1, v2;
1655
1656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1657 ITERATIONS_LONG);
1658 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1659 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1660 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1661 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1662 return v2;
1663 }
1664
1665 static u8 sony_pic_call2(u8 dev, u8 fn)
1666 {
1667 u8 v1;
1668
1669 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1670 ITERATIONS_LONG);
1671 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1672 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1673 ITERATIONS_LONG);
1674 outb(fn, spic_dev.cur_ioport->io1.minimum);
1675 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1676 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1677 return v1;
1678 }
1679
1680 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1681 {
1682 u8 v1;
1683
1684 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1685 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1686 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1687 outb(fn, spic_dev.cur_ioport->io1.minimum);
1688 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1689 outb(v, spic_dev.cur_ioport->io1.minimum);
1690 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1691 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1692 dev, fn, v, v1);
1693 return v1;
1694 }
1695
1696 /*
1697 * minidrivers for SPIC models
1698 */
1699 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1700 {
1701 /*
1702 * 0x31 could mean we have to take some extra action and wait for
1703 * the next irq for some Type3 models, it will generate a new
1704 * irq and we can read new data from the device:
1705 * - 0x5c and 0x5f requires 0xA0
1706 * - 0x61 requires 0xB3
1707 */
1708 if (data_mask == 0x31) {
1709 if (ev == 0x5c || ev == 0x5f)
1710 sony_pic_call1(0xA0);
1711 else if (ev == 0x61)
1712 sony_pic_call1(0xB3);
1713 return 0;
1714 }
1715 return 1;
1716 }
1717
1718 static struct device_ctrl spic_types[] = {
1719 {
1720 .model = SONYPI_DEVICE_TYPE1,
1721 .handle_irq = NULL,
1722 .evport_offset = SONYPI_TYPE1_OFFSET,
1723 .event_types = type1_events,
1724 },
1725 {
1726 .model = SONYPI_DEVICE_TYPE2,
1727 .handle_irq = NULL,
1728 .evport_offset = SONYPI_TYPE2_OFFSET,
1729 .event_types = type2_events,
1730 },
1731 {
1732 .model = SONYPI_DEVICE_TYPE3,
1733 .handle_irq = type3_handle_irq,
1734 .evport_offset = SONYPI_TYPE3_OFFSET,
1735 .event_types = type3_events,
1736 },
1737 };
1738
1739 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1740 {
1741 struct pci_dev *pcidev;
1742
1743 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1744 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1745 if (pcidev) {
1746 dev->control = &spic_types[0];
1747 goto out;
1748 }
1749
1750 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1751 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1752 if (pcidev) {
1753 dev->control = &spic_types[2];
1754 goto out;
1755 }
1756
1757 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1758 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1759 if (pcidev) {
1760 dev->control = &spic_types[2];
1761 goto out;
1762 }
1763
1764 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1765 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1766 if (pcidev) {
1767 dev->control = &spic_types[2];
1768 goto out;
1769 }
1770
1771 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1772 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1773 if (pcidev) {
1774 dev->control = &spic_types[2];
1775 goto out;
1776 }
1777
1778 /* default */
1779 dev->control = &spic_types[1];
1780
1781 out:
1782 if (pcidev)
1783 pci_dev_put(pcidev);
1784
1785 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1786 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1787 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1788 }
1789
1790 /* camera tests and poweron/poweroff */
1791 #define SONYPI_CAMERA_PICTURE 5
1792 #define SONYPI_CAMERA_CONTROL 0x10
1793
1794 #define SONYPI_CAMERA_BRIGHTNESS 0
1795 #define SONYPI_CAMERA_CONTRAST 1
1796 #define SONYPI_CAMERA_HUE 2
1797 #define SONYPI_CAMERA_COLOR 3
1798 #define SONYPI_CAMERA_SHARPNESS 4
1799
1800 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1801 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1802 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1803 #define SONYPI_CAMERA_MUTE_MASK 0x40
1804
1805 /* the rest don't need a loop until not 0xff */
1806 #define SONYPI_CAMERA_AGC 6
1807 #define SONYPI_CAMERA_AGC_MASK 0x30
1808 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1809
1810 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1811 #define SONYPI_CAMERA_CONTROL 0x10
1812
1813 #define SONYPI_CAMERA_STATUS 7
1814 #define SONYPI_CAMERA_STATUS_READY 0x2
1815 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1816
1817 #define SONYPI_DIRECTION_BACKWARDS 0x4
1818
1819 #define SONYPI_CAMERA_REVISION 8
1820 #define SONYPI_CAMERA_ROMVERSION 9
1821
1822 static int __sony_pic_camera_ready(void)
1823 {
1824 u8 v;
1825
1826 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1827 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1828 }
1829
1830 static int __sony_pic_camera_off(void)
1831 {
1832 if (!camera) {
1833 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1834 return -ENODEV;
1835 }
1836
1837 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1838 SONYPI_CAMERA_MUTE_MASK),
1839 ITERATIONS_SHORT);
1840
1841 if (spic_dev.camera_power) {
1842 sony_pic_call2(0x91, 0);
1843 spic_dev.camera_power = 0;
1844 }
1845 return 0;
1846 }
1847
1848 static int __sony_pic_camera_on(void)
1849 {
1850 int i, j, x;
1851
1852 if (!camera) {
1853 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1854 return -ENODEV;
1855 }
1856
1857 if (spic_dev.camera_power)
1858 return 0;
1859
1860 for (j = 5; j > 0; j--) {
1861
1862 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1863 msleep(10);
1864 sony_pic_call1(0x93);
1865
1866 for (i = 400; i > 0; i--) {
1867 if (__sony_pic_camera_ready())
1868 break;
1869 msleep(10);
1870 }
1871 if (i)
1872 break;
1873 }
1874
1875 if (j == 0) {
1876 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1877 return -ENODEV;
1878 }
1879
1880 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1881 0x5a),
1882 ITERATIONS_SHORT);
1883
1884 spic_dev.camera_power = 1;
1885 return 0;
1886 }
1887
1888 /* External camera command (exported to the motion eye v4l driver) */
1889 int sony_pic_camera_command(int command, u8 value)
1890 {
1891 if (!camera)
1892 return -EIO;
1893
1894 mutex_lock(&spic_dev.lock);
1895
1896 switch (command) {
1897 case SONY_PIC_COMMAND_SETCAMERA:
1898 if (value)
1899 __sony_pic_camera_on();
1900 else
1901 __sony_pic_camera_off();
1902 break;
1903 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1904 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1905 ITERATIONS_SHORT);
1906 break;
1907 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1908 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1909 ITERATIONS_SHORT);
1910 break;
1911 case SONY_PIC_COMMAND_SETCAMERAHUE:
1912 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1913 ITERATIONS_SHORT);
1914 break;
1915 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1916 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1917 ITERATIONS_SHORT);
1918 break;
1919 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1920 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1921 ITERATIONS_SHORT);
1922 break;
1923 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1924 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1925 ITERATIONS_SHORT);
1926 break;
1927 case SONY_PIC_COMMAND_SETCAMERAAGC:
1928 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1929 ITERATIONS_SHORT);
1930 break;
1931 default:
1932 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1933 command);
1934 break;
1935 }
1936 mutex_unlock(&spic_dev.lock);
1937 return 0;
1938 }
1939 EXPORT_SYMBOL(sony_pic_camera_command);
1940
1941 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1942 static void __sony_pic_set_wwanpower(u8 state)
1943 {
1944 state = !!state;
1945 if (spic_dev.wwan_power == state)
1946 return;
1947 sony_pic_call2(0xB0, state);
1948 sony_pic_call1(0x82);
1949 spic_dev.wwan_power = state;
1950 }
1951
1952 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1953 struct device_attribute *attr,
1954 const char *buffer, size_t count)
1955 {
1956 unsigned long value;
1957 if (count > 31)
1958 return -EINVAL;
1959
1960 value = simple_strtoul(buffer, NULL, 10);
1961 mutex_lock(&spic_dev.lock);
1962 __sony_pic_set_wwanpower(value);
1963 mutex_unlock(&spic_dev.lock);
1964
1965 return count;
1966 }
1967
1968 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1969 struct device_attribute *attr, char *buffer)
1970 {
1971 ssize_t count;
1972 mutex_lock(&spic_dev.lock);
1973 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1974 mutex_unlock(&spic_dev.lock);
1975 return count;
1976 }
1977
1978 /* bluetooth subsystem power state */
1979 static void __sony_pic_set_bluetoothpower(u8 state)
1980 {
1981 state = !!state;
1982 if (spic_dev.bluetooth_power == state)
1983 return;
1984 sony_pic_call2(0x96, state);
1985 sony_pic_call1(0x82);
1986 spic_dev.bluetooth_power = state;
1987 }
1988
1989 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1990 struct device_attribute *attr,
1991 const char *buffer, size_t count)
1992 {
1993 unsigned long value;
1994 if (count > 31)
1995 return -EINVAL;
1996
1997 value = simple_strtoul(buffer, NULL, 10);
1998 mutex_lock(&spic_dev.lock);
1999 __sony_pic_set_bluetoothpower(value);
2000 mutex_unlock(&spic_dev.lock);
2001
2002 return count;
2003 }
2004
2005 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2006 struct device_attribute *attr, char *buffer)
2007 {
2008 ssize_t count = 0;
2009 mutex_lock(&spic_dev.lock);
2010 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2011 mutex_unlock(&spic_dev.lock);
2012 return count;
2013 }
2014
2015 /* fan speed */
2016 /* FAN0 information (reverse engineered from ACPI tables) */
2017 #define SONY_PIC_FAN0_STATUS 0x93
2018 static int sony_pic_set_fanspeed(unsigned long value)
2019 {
2020 return ec_write(SONY_PIC_FAN0_STATUS, value);
2021 }
2022
2023 static int sony_pic_get_fanspeed(u8 *value)
2024 {
2025 return ec_read(SONY_PIC_FAN0_STATUS, value);
2026 }
2027
2028 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2029 struct device_attribute *attr,
2030 const char *buffer, size_t count)
2031 {
2032 unsigned long value;
2033 if (count > 31)
2034 return -EINVAL;
2035
2036 value = simple_strtoul(buffer, NULL, 10);
2037 if (sony_pic_set_fanspeed(value))
2038 return -EIO;
2039
2040 return count;
2041 }
2042
2043 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2044 struct device_attribute *attr, char *buffer)
2045 {
2046 u8 value = 0;
2047 if (sony_pic_get_fanspeed(&value))
2048 return -EIO;
2049
2050 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2051 }
2052
2053 #define SPIC_ATTR(_name, _mode) \
2054 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2055 _mode, sony_pic_## _name ##_show, \
2056 sony_pic_## _name ##_store)
2057
2058 static SPIC_ATTR(bluetoothpower, 0644);
2059 static SPIC_ATTR(wwanpower, 0644);
2060 static SPIC_ATTR(fanspeed, 0644);
2061
2062 static struct attribute *spic_attributes[] = {
2063 &spic_attr_bluetoothpower.attr,
2064 &spic_attr_wwanpower.attr,
2065 &spic_attr_fanspeed.attr,
2066 NULL
2067 };
2068
2069 static struct attribute_group spic_attribute_group = {
2070 .attrs = spic_attributes
2071 };
2072
2073 /******** SONYPI compatibility **********/
2074 #ifdef CONFIG_SONYPI_COMPAT
2075
2076 /* battery / brightness / temperature addresses */
2077 #define SONYPI_BAT_FLAGS 0x81
2078 #define SONYPI_LCD_LIGHT 0x96
2079 #define SONYPI_BAT1_PCTRM 0xa0
2080 #define SONYPI_BAT1_LEFT 0xa2
2081 #define SONYPI_BAT1_MAXRT 0xa4
2082 #define SONYPI_BAT2_PCTRM 0xa8
2083 #define SONYPI_BAT2_LEFT 0xaa
2084 #define SONYPI_BAT2_MAXRT 0xac
2085 #define SONYPI_BAT1_MAXTK 0xb0
2086 #define SONYPI_BAT1_FULL 0xb2
2087 #define SONYPI_BAT2_MAXTK 0xb8
2088 #define SONYPI_BAT2_FULL 0xba
2089 #define SONYPI_TEMP_STATUS 0xC1
2090
2091 struct sonypi_compat_s {
2092 struct fasync_struct *fifo_async;
2093 struct kfifo *fifo;
2094 spinlock_t fifo_lock;
2095 wait_queue_head_t fifo_proc_list;
2096 atomic_t open_count;
2097 };
2098 static struct sonypi_compat_s sonypi_compat = {
2099 .open_count = ATOMIC_INIT(0),
2100 };
2101
2102 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2103 {
2104 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2105 }
2106
2107 static int sonypi_misc_release(struct inode *inode, struct file *file)
2108 {
2109 atomic_dec(&sonypi_compat.open_count);
2110 return 0;
2111 }
2112
2113 static int sonypi_misc_open(struct inode *inode, struct file *file)
2114 {
2115 /* Flush input queue on first open */
2116 unsigned long flags;
2117
2118 spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2119
2120 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2121 __kfifo_reset(sonypi_compat.fifo);
2122
2123 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2124
2125 return 0;
2126 }
2127
2128 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2129 size_t count, loff_t *pos)
2130 {
2131 ssize_t ret;
2132 unsigned char c;
2133
2134 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2135 (file->f_flags & O_NONBLOCK))
2136 return -EAGAIN;
2137
2138 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2139 kfifo_len(sonypi_compat.fifo) != 0);
2140 if (ret)
2141 return ret;
2142
2143 while (ret < count &&
2144 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2145 if (put_user(c, buf++))
2146 return -EFAULT;
2147 ret++;
2148 }
2149
2150 if (ret > 0) {
2151 struct inode *inode = file->f_path.dentry->d_inode;
2152 inode->i_atime = current_fs_time(inode->i_sb);
2153 }
2154
2155 return ret;
2156 }
2157
2158 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2159 {
2160 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2161 if (kfifo_len(sonypi_compat.fifo))
2162 return POLLIN | POLLRDNORM;
2163 return 0;
2164 }
2165
2166 static int ec_read16(u8 addr, u16 *value)
2167 {
2168 u8 val_lb, val_hb;
2169 if (ec_read(addr, &val_lb))
2170 return -1;
2171 if (ec_read(addr + 1, &val_hb))
2172 return -1;
2173 *value = val_lb | (val_hb << 8);
2174 return 0;
2175 }
2176
2177 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2178 unsigned long arg)
2179 {
2180 int ret = 0;
2181 void __user *argp = (void __user *)arg;
2182 u8 val8;
2183 u16 val16;
2184 int value;
2185
2186 mutex_lock(&spic_dev.lock);
2187 switch (cmd) {
2188 case SONYPI_IOCGBRT:
2189 if (sony_backlight_device == NULL) {
2190 ret = -EIO;
2191 break;
2192 }
2193 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2194 ret = -EIO;
2195 break;
2196 }
2197 val8 = ((value & 0xff) - 1) << 5;
2198 if (copy_to_user(argp, &val8, sizeof(val8)))
2199 ret = -EFAULT;
2200 break;
2201 case SONYPI_IOCSBRT:
2202 if (sony_backlight_device == NULL) {
2203 ret = -EIO;
2204 break;
2205 }
2206 if (copy_from_user(&val8, argp, sizeof(val8))) {
2207 ret = -EFAULT;
2208 break;
2209 }
2210 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2211 (val8 >> 5) + 1, NULL)) {
2212 ret = -EIO;
2213 break;
2214 }
2215 /* sync the backlight device status */
2216 sony_backlight_device->props.brightness =
2217 sony_backlight_get_brightness(sony_backlight_device);
2218 break;
2219 case SONYPI_IOCGBAT1CAP:
2220 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2221 ret = -EIO;
2222 break;
2223 }
2224 if (copy_to_user(argp, &val16, sizeof(val16)))
2225 ret = -EFAULT;
2226 break;
2227 case SONYPI_IOCGBAT1REM:
2228 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2229 ret = -EIO;
2230 break;
2231 }
2232 if (copy_to_user(argp, &val16, sizeof(val16)))
2233 ret = -EFAULT;
2234 break;
2235 case SONYPI_IOCGBAT2CAP:
2236 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2237 ret = -EIO;
2238 break;
2239 }
2240 if (copy_to_user(argp, &val16, sizeof(val16)))
2241 ret = -EFAULT;
2242 break;
2243 case SONYPI_IOCGBAT2REM:
2244 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2245 ret = -EIO;
2246 break;
2247 }
2248 if (copy_to_user(argp, &val16, sizeof(val16)))
2249 ret = -EFAULT;
2250 break;
2251 case SONYPI_IOCGBATFLAGS:
2252 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2253 ret = -EIO;
2254 break;
2255 }
2256 val8 &= 0x07;
2257 if (copy_to_user(argp, &val8, sizeof(val8)))
2258 ret = -EFAULT;
2259 break;
2260 case SONYPI_IOCGBLUE:
2261 val8 = spic_dev.bluetooth_power;
2262 if (copy_to_user(argp, &val8, sizeof(val8)))
2263 ret = -EFAULT;
2264 break;
2265 case SONYPI_IOCSBLUE:
2266 if (copy_from_user(&val8, argp, sizeof(val8))) {
2267 ret = -EFAULT;
2268 break;
2269 }
2270 __sony_pic_set_bluetoothpower(val8);
2271 break;
2272 /* FAN Controls */
2273 case SONYPI_IOCGFAN:
2274 if (sony_pic_get_fanspeed(&val8)) {
2275 ret = -EIO;
2276 break;
2277 }
2278 if (copy_to_user(argp, &val8, sizeof(val8)))
2279 ret = -EFAULT;
2280 break;
2281 case SONYPI_IOCSFAN:
2282 if (copy_from_user(&val8, argp, sizeof(val8))) {
2283 ret = -EFAULT;
2284 break;
2285 }
2286 if (sony_pic_set_fanspeed(val8))
2287 ret = -EIO;
2288 break;
2289 /* GET Temperature (useful under APM) */
2290 case SONYPI_IOCGTEMP:
2291 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2292 ret = -EIO;
2293 break;
2294 }
2295 if (copy_to_user(argp, &val8, sizeof(val8)))
2296 ret = -EFAULT;
2297 break;
2298 default:
2299 ret = -EINVAL;
2300 }
2301 mutex_unlock(&spic_dev.lock);
2302 return ret;
2303 }
2304
2305 static const struct file_operations sonypi_misc_fops = {
2306 .owner = THIS_MODULE,
2307 .read = sonypi_misc_read,
2308 .poll = sonypi_misc_poll,
2309 .open = sonypi_misc_open,
2310 .release = sonypi_misc_release,
2311 .fasync = sonypi_misc_fasync,
2312 .unlocked_ioctl = sonypi_misc_ioctl,
2313 };
2314
2315 static struct miscdevice sonypi_misc_device = {
2316 .minor = MISC_DYNAMIC_MINOR,
2317 .name = "sonypi",
2318 .fops = &sonypi_misc_fops,
2319 };
2320
2321 static void sonypi_compat_report_event(u8 event)
2322 {
2323 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2324 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2325 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2326 }
2327
2328 static int sonypi_compat_init(void)
2329 {
2330 int error;
2331
2332 spin_lock_init(&sonypi_compat.fifo_lock);
2333 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2334 &sonypi_compat.fifo_lock);
2335 if (IS_ERR(sonypi_compat.fifo)) {
2336 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2337 return PTR_ERR(sonypi_compat.fifo);
2338 }
2339
2340 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2341
2342 if (minor != -1)
2343 sonypi_misc_device.minor = minor;
2344 error = misc_register(&sonypi_misc_device);
2345 if (error) {
2346 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2347 goto err_free_kfifo;
2348 }
2349 if (minor == -1)
2350 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2351 sonypi_misc_device.minor);
2352
2353 return 0;
2354
2355 err_free_kfifo:
2356 kfifo_free(sonypi_compat.fifo);
2357 return error;
2358 }
2359
2360 static void sonypi_compat_exit(void)
2361 {
2362 misc_deregister(&sonypi_misc_device);
2363 kfifo_free(sonypi_compat.fifo);
2364 }
2365 #else
2366 static int sonypi_compat_init(void) { return 0; }
2367 static void sonypi_compat_exit(void) { }
2368 static void sonypi_compat_report_event(u8 event) { }
2369 #endif /* CONFIG_SONYPI_COMPAT */
2370
2371 /*
2372 * ACPI callbacks
2373 */
2374 static acpi_status
2375 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2376 {
2377 u32 i;
2378 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2379
2380 switch (resource->type) {
2381 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2382 {
2383 /* start IO enumeration */
2384 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2385 if (!ioport)
2386 return AE_ERROR;
2387
2388 list_add(&ioport->list, &dev->ioports);
2389 return AE_OK;
2390 }
2391
2392 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2393 /* end IO enumeration */
2394 return AE_OK;
2395
2396 case ACPI_RESOURCE_TYPE_IRQ:
2397 {
2398 struct acpi_resource_irq *p = &resource->data.irq;
2399 struct sony_pic_irq *interrupt = NULL;
2400 if (!p || !p->interrupt_count) {
2401 /*
2402 * IRQ descriptors may have no IRQ# bits set,
2403 * particularly those those w/ _STA disabled
2404 */
2405 dprintk("Blank IRQ resource\n");
2406 return AE_OK;
2407 }
2408 for (i = 0; i < p->interrupt_count; i++) {
2409 if (!p->interrupts[i]) {
2410 printk(KERN_WARNING DRV_PFX
2411 "Invalid IRQ %d\n",
2412 p->interrupts[i]);
2413 continue;
2414 }
2415 interrupt = kzalloc(sizeof(*interrupt),
2416 GFP_KERNEL);
2417 if (!interrupt)
2418 return AE_ERROR;
2419
2420 list_add(&interrupt->list, &dev->interrupts);
2421 interrupt->irq.triggering = p->triggering;
2422 interrupt->irq.polarity = p->polarity;
2423 interrupt->irq.sharable = p->sharable;
2424 interrupt->irq.interrupt_count = 1;
2425 interrupt->irq.interrupts[0] = p->interrupts[i];
2426 }
2427 return AE_OK;
2428 }
2429 case ACPI_RESOURCE_TYPE_IO:
2430 {
2431 struct acpi_resource_io *io = &resource->data.io;
2432 struct sony_pic_ioport *ioport =
2433 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2434 if (!io) {
2435 dprintk("Blank IO resource\n");
2436 return AE_OK;
2437 }
2438
2439 if (!ioport->io1.minimum) {
2440 memcpy(&ioport->io1, io, sizeof(*io));
2441 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2442 ioport->io1.address_length);
2443 }
2444 else if (!ioport->io2.minimum) {
2445 memcpy(&ioport->io2, io, sizeof(*io));
2446 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2447 ioport->io2.address_length);
2448 }
2449 else {
2450 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2451 return AE_ERROR;
2452 }
2453 return AE_OK;
2454 }
2455 default:
2456 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2457 resource->type);
2458
2459 case ACPI_RESOURCE_TYPE_END_TAG:
2460 return AE_OK;
2461 }
2462 return AE_CTRL_TERMINATE;
2463 }
2464
2465 static int sony_pic_possible_resources(struct acpi_device *device)
2466 {
2467 int result = 0;
2468 acpi_status status = AE_OK;
2469
2470 if (!device)
2471 return -EINVAL;
2472
2473 /* get device status */
2474 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2475 dprintk("Evaluating _STA\n");
2476 result = acpi_bus_get_status(device);
2477 if (result) {
2478 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2479 goto end;
2480 }
2481
2482 if (!device->status.enabled)
2483 dprintk("Device disabled\n");
2484 else
2485 dprintk("Device enabled\n");
2486
2487 /*
2488 * Query and parse 'method'
2489 */
2490 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2491 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2492 sony_pic_read_possible_resource, &spic_dev);
2493 if (ACPI_FAILURE(status)) {
2494 printk(KERN_WARNING DRV_PFX
2495 "Failure evaluating %s\n",
2496 METHOD_NAME__PRS);
2497 result = -ENODEV;
2498 }
2499 end:
2500 return result;
2501 }
2502
2503 /*
2504 * Disable the spic device by calling its _DIS method
2505 */
2506 static int sony_pic_disable(struct acpi_device *device)
2507 {
2508 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2509 NULL);
2510
2511 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2512 return -ENXIO;
2513
2514 dprintk("Device disabled\n");
2515 return 0;
2516 }
2517
2518
2519 /*
2520 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2521 *
2522 * Call _SRS to set current resources
2523 */
2524 static int sony_pic_enable(struct acpi_device *device,
2525 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2526 {
2527 acpi_status status;
2528 int result = 0;
2529 /* Type 1 resource layout is:
2530 * IO
2531 * IO
2532 * IRQNoFlags
2533 * End
2534 *
2535 * Type 2 and 3 resource layout is:
2536 * IO
2537 * IRQNoFlags
2538 * End
2539 */
2540 struct {
2541 struct acpi_resource res1;
2542 struct acpi_resource res2;
2543 struct acpi_resource res3;
2544 struct acpi_resource res4;
2545 } *resource;
2546 struct acpi_buffer buffer = { 0, NULL };
2547
2548 if (!ioport || !irq)
2549 return -EINVAL;
2550
2551 /* init acpi_buffer */
2552 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2553 if (!resource)
2554 return -ENOMEM;
2555
2556 buffer.length = sizeof(*resource) + 1;
2557 buffer.pointer = resource;
2558
2559 /* setup Type 1 resources */
2560 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2561
2562 /* setup io resources */
2563 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2564 resource->res1.length = sizeof(struct acpi_resource);
2565 memcpy(&resource->res1.data.io, &ioport->io1,
2566 sizeof(struct acpi_resource_io));
2567
2568 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2569 resource->res2.length = sizeof(struct acpi_resource);
2570 memcpy(&resource->res2.data.io, &ioport->io2,
2571 sizeof(struct acpi_resource_io));
2572
2573 /* setup irq resource */
2574 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2575 resource->res3.length = sizeof(struct acpi_resource);
2576 memcpy(&resource->res3.data.irq, &irq->irq,
2577 sizeof(struct acpi_resource_irq));
2578 /* we requested a shared irq */
2579 resource->res3.data.irq.sharable = ACPI_SHARED;
2580
2581 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2582
2583 }
2584 /* setup Type 2/3 resources */
2585 else {
2586 /* setup io resource */
2587 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2588 resource->res1.length = sizeof(struct acpi_resource);
2589 memcpy(&resource->res1.data.io, &ioport->io1,
2590 sizeof(struct acpi_resource_io));
2591
2592 /* setup irq resource */
2593 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2594 resource->res2.length = sizeof(struct acpi_resource);
2595 memcpy(&resource->res2.data.irq, &irq->irq,
2596 sizeof(struct acpi_resource_irq));
2597 /* we requested a shared irq */
2598 resource->res2.data.irq.sharable = ACPI_SHARED;
2599
2600 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2601 }
2602
2603 /* Attempt to set the resource */
2604 dprintk("Evaluating _SRS\n");
2605 status = acpi_set_current_resources(device->handle, &buffer);
2606
2607 /* check for total failure */
2608 if (ACPI_FAILURE(status)) {
2609 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2610 result = -ENODEV;
2611 goto end;
2612 }
2613
2614 /* Necessary device initializations calls (from sonypi) */
2615 sony_pic_call1(0x82);
2616 sony_pic_call2(0x81, 0xff);
2617 sony_pic_call1(compat ? 0x92 : 0x82);
2618
2619 end:
2620 kfree(resource);
2621 return result;
2622 }
2623
2624 /*****************
2625 *
2626 * ISR: some event is available
2627 *
2628 *****************/
2629 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2630 {
2631 int i, j;
2632 u8 ev = 0;
2633 u8 data_mask = 0;
2634 u8 device_event = 0;
2635
2636 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2637
2638 ev = inb_p(dev->cur_ioport->io1.minimum);
2639 if (dev->cur_ioport->io2.minimum)
2640 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2641 else
2642 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2643 dev->control->evport_offset);
2644
2645 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2646 ev, data_mask, dev->cur_ioport->io1.minimum,
2647 dev->control->evport_offset);
2648
2649 if (ev == 0x00 || ev == 0xff)
2650 return IRQ_HANDLED;
2651
2652 for (i = 0; dev->control->event_types[i].mask; i++) {
2653
2654 if ((data_mask & dev->control->event_types[i].data) !=
2655 dev->control->event_types[i].data)
2656 continue;
2657
2658 if (!(mask & dev->control->event_types[i].mask))
2659 continue;
2660
2661 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2662 if (ev == dev->control->event_types[i].events[j].data) {
2663 device_event =
2664 dev->control->
2665 event_types[i].events[j].event;
2666 goto found;
2667 }
2668 }
2669 }
2670 /* Still not able to decode the event try to pass
2671 * it over to the minidriver
2672 */
2673 if (dev->control->handle_irq &&
2674 dev->control->handle_irq(data_mask, ev) == 0)
2675 return IRQ_HANDLED;
2676
2677 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2678 ev, data_mask, dev->cur_ioport->io1.minimum,
2679 dev->control->evport_offset);
2680 return IRQ_HANDLED;
2681
2682 found:
2683 sony_laptop_report_input_event(device_event);
2684 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2685 sonypi_compat_report_event(device_event);
2686
2687 return IRQ_HANDLED;
2688 }
2689
2690 /*****************
2691 *
2692 * ACPI driver
2693 *
2694 *****************/
2695 static int sony_pic_remove(struct acpi_device *device, int type)
2696 {
2697 struct sony_pic_ioport *io, *tmp_io;
2698 struct sony_pic_irq *irq, *tmp_irq;
2699
2700 if (sony_pic_disable(device)) {
2701 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2702 return -ENXIO;
2703 }
2704
2705 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2706 release_region(spic_dev.cur_ioport->io1.minimum,
2707 spic_dev.cur_ioport->io1.address_length);
2708 if (spic_dev.cur_ioport->io2.minimum)
2709 release_region(spic_dev.cur_ioport->io2.minimum,
2710 spic_dev.cur_ioport->io2.address_length);
2711
2712 sonypi_compat_exit();
2713
2714 sony_laptop_remove_input();
2715
2716 /* pf attrs */
2717 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2718 sony_pf_remove();
2719
2720 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2721 list_del(&io->list);
2722 kfree(io);
2723 }
2724 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2725 list_del(&irq->list);
2726 kfree(irq);
2727 }
2728 spic_dev.cur_ioport = NULL;
2729 spic_dev.cur_irq = NULL;
2730
2731 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2732 return 0;
2733 }
2734
2735 static int sony_pic_add(struct acpi_device *device)
2736 {
2737 int result;
2738 struct sony_pic_ioport *io, *tmp_io;
2739 struct sony_pic_irq *irq, *tmp_irq;
2740
2741 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2742 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2743
2744 spic_dev.acpi_dev = device;
2745 strcpy(acpi_device_class(device), "sony/hotkey");
2746 sony_pic_detect_device_type(&spic_dev);
2747 mutex_init(&spic_dev.lock);
2748
2749 /* read _PRS resources */
2750 result = sony_pic_possible_resources(device);
2751 if (result) {
2752 printk(KERN_ERR DRV_PFX
2753 "Unable to read possible resources.\n");
2754 goto err_free_resources;
2755 }
2756
2757 /* setup input devices and helper fifo */
2758 result = sony_laptop_setup_input(device);
2759 if (result) {
2760 printk(KERN_ERR DRV_PFX
2761 "Unable to create input devices.\n");
2762 goto err_free_resources;
2763 }
2764
2765 if (sonypi_compat_init())
2766 goto err_remove_input;
2767
2768 /* request io port */
2769 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2770 if (request_region(io->io1.minimum, io->io1.address_length,
2771 "Sony Programable I/O Device")) {
2772 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2773 io->io1.minimum, io->io1.maximum,
2774 io->io1.address_length);
2775 /* Type 1 have 2 ioports */
2776 if (io->io2.minimum) {
2777 if (request_region(io->io2.minimum,
2778 io->io2.address_length,
2779 "Sony Programable I/O Device")) {
2780 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2781 io->io2.minimum, io->io2.maximum,
2782 io->io2.address_length);
2783 spic_dev.cur_ioport = io;
2784 break;
2785 }
2786 else {
2787 dprintk("Unable to get I/O port2: "
2788 "0x%.4x (0x%.4x) + 0x%.2x\n",
2789 io->io2.minimum, io->io2.maximum,
2790 io->io2.address_length);
2791 release_region(io->io1.minimum,
2792 io->io1.address_length);
2793 }
2794 }
2795 else {
2796 spic_dev.cur_ioport = io;
2797 break;
2798 }
2799 }
2800 }
2801 if (!spic_dev.cur_ioport) {
2802 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2803 result = -ENODEV;
2804 goto err_remove_compat;
2805 }
2806
2807 /* request IRQ */
2808 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2809 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2810 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2811 dprintk("IRQ: %d - triggering: %d - "
2812 "polarity: %d - shr: %d\n",
2813 irq->irq.interrupts[0],
2814 irq->irq.triggering,
2815 irq->irq.polarity,
2816 irq->irq.sharable);
2817 spic_dev.cur_irq = irq;
2818 break;
2819 }
2820 }
2821 if (!spic_dev.cur_irq) {
2822 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2823 result = -ENODEV;
2824 goto err_release_region;
2825 }
2826
2827 /* set resource status _SRS */
2828 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2829 if (result) {
2830 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2831 goto err_free_irq;
2832 }
2833
2834 spic_dev.bluetooth_power = -1;
2835 /* create device attributes */
2836 result = sony_pf_add();
2837 if (result)
2838 goto err_disable_device;
2839
2840 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2841 if (result)
2842 goto err_remove_pf;
2843
2844 return 0;
2845
2846 err_remove_pf:
2847 sony_pf_remove();
2848
2849 err_disable_device:
2850 sony_pic_disable(device);
2851
2852 err_free_irq:
2853 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2854
2855 err_release_region:
2856 release_region(spic_dev.cur_ioport->io1.minimum,
2857 spic_dev.cur_ioport->io1.address_length);
2858 if (spic_dev.cur_ioport->io2.minimum)
2859 release_region(spic_dev.cur_ioport->io2.minimum,
2860 spic_dev.cur_ioport->io2.address_length);
2861
2862 err_remove_compat:
2863 sonypi_compat_exit();
2864
2865 err_remove_input:
2866 sony_laptop_remove_input();
2867
2868 err_free_resources:
2869 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2870 list_del(&io->list);
2871 kfree(io);
2872 }
2873 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2874 list_del(&irq->list);
2875 kfree(irq);
2876 }
2877 spic_dev.cur_ioport = NULL;
2878 spic_dev.cur_irq = NULL;
2879
2880 return result;
2881 }
2882
2883 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2884 {
2885 if (sony_pic_disable(device))
2886 return -ENXIO;
2887 return 0;
2888 }
2889
2890 static int sony_pic_resume(struct acpi_device *device)
2891 {
2892 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2893 return 0;
2894 }
2895
2896 static const struct acpi_device_id sony_pic_device_ids[] = {
2897 {SONY_PIC_HID, 0},
2898 {"", 0},
2899 };
2900
2901 static struct acpi_driver sony_pic_driver = {
2902 .name = SONY_PIC_DRIVER_NAME,
2903 .class = SONY_PIC_CLASS,
2904 .ids = sony_pic_device_ids,
2905 .owner = THIS_MODULE,
2906 .ops = {
2907 .add = sony_pic_add,
2908 .remove = sony_pic_remove,
2909 .suspend = sony_pic_suspend,
2910 .resume = sony_pic_resume,
2911 },
2912 };
2913
2914 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2915 {
2916 .ident = "Sony Vaio",
2917 .matches = {
2918 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2919 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2920 },
2921 },
2922 {
2923 .ident = "Sony Vaio",
2924 .matches = {
2925 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2926 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2927 },
2928 },
2929 { }
2930 };
2931
2932 static int __init sony_laptop_init(void)
2933 {
2934 int result;
2935
2936 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2937 result = acpi_bus_register_driver(&sony_pic_driver);
2938 if (result) {
2939 printk(KERN_ERR DRV_PFX
2940 "Unable to register SPIC driver.");
2941 goto out;
2942 }
2943 }
2944
2945 result = acpi_bus_register_driver(&sony_nc_driver);
2946 if (result) {
2947 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2948 goto out_unregister_pic;
2949 }
2950
2951 return 0;
2952
2953 out_unregister_pic:
2954 if (!no_spic)
2955 acpi_bus_unregister_driver(&sony_pic_driver);
2956 out:
2957 return result;
2958 }
2959
2960 static void __exit sony_laptop_exit(void)
2961 {
2962 acpi_bus_unregister_driver(&sony_nc_driver);
2963 if (!no_spic)
2964 acpi_bus_unregister_driver(&sony_pic_driver);
2965 }
2966
2967 module_init(sony_laptop_init);
2968 module_exit(sony_laptop_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree