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sony: fix rfkill code again
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / platform / x86 / sony-laptop.c
blobdafaa4a92df59ffdb7acb16518c1fe6edbfe37a3
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 struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
980
981 if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
982 info = buffer.pointer;
983
984 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
985 (char *)&info->name, info->param_count);
986
987 kfree(buffer.pointer);
988 }
989
990 return AE_OK;
991 }
992
993 /*
994 * ACPI device
995 */
996 static int sony_nc_function_setup(struct acpi_device *device)
997 {
998 int result;
999
1000 /* Enable all events */
1001 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1002
1003 /* Setup hotkeys */
1004 sony_call_snc_handle(0x0100, 0, &result);
1005 sony_call_snc_handle(0x0101, 0, &result);
1006 sony_call_snc_handle(0x0102, 0x100, &result);
1007 sony_call_snc_handle(0x0127, 0, &result);
1008
1009 return 0;
1010 }
1011
1012 static int sony_nc_resume(struct acpi_device *device)
1013 {
1014 struct sony_nc_value *item;
1015 acpi_handle handle;
1016
1017 for (item = sony_nc_values; item->name; item++) {
1018 int ret;
1019
1020 if (!item->valid)
1021 continue;
1022 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1023 item->value, NULL);
1024 if (ret < 0) {
1025 printk("%s: %d\n", __func__, ret);
1026 break;
1027 }
1028 }
1029
1030 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1031 &handle))) {
1032 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1033 dprintk("ECON Method failed\n");
1034 }
1035
1036 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1037 &handle))) {
1038 dprintk("Doing SNC setup\n");
1039 sony_nc_function_setup(device);
1040 }
1041
1042 /* set the last requested brightness level */
1043 if (sony_backlight_device &&
1044 sony_backlight_update_status(sony_backlight_device) < 0)
1045 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1046
1047 return 0;
1048 }
1049
1050 static void sony_nc_rfkill_cleanup(void)
1051 {
1052 int i;
1053
1054 for (i = 0; i < N_SONY_RFKILL; i++) {
1055 if (sony_rfkill_devices[i]) {
1056 rfkill_unregister(sony_rfkill_devices[i]);
1057 rfkill_destroy(sony_rfkill_devices[i]);
1058 }
1059 }
1060 }
1061
1062 static int sony_nc_rfkill_set(void *data, bool blocked)
1063 {
1064 int result;
1065 int argument = sony_rfkill_address[(long) data] + 0x100;
1066
1067 if (!blocked)
1068 argument |= 0xff0000;
1069
1070 return sony_call_snc_handle(0x124, argument, &result);
1071 }
1072
1073 static const struct rfkill_ops sony_rfkill_ops = {
1074 .set_block = sony_nc_rfkill_set,
1075 };
1076
1077 static int sony_nc_setup_rfkill(struct acpi_device *device,
1078 enum sony_nc_rfkill nc_type)
1079 {
1080 int err = 0;
1081 struct rfkill *rfk;
1082 enum rfkill_type type;
1083 const char *name;
1084
1085 switch (nc_type) {
1086 case SONY_WIFI:
1087 type = RFKILL_TYPE_WLAN;
1088 name = "sony-wifi";
1089 break;
1090 case SONY_BLUETOOTH:
1091 type = RFKILL_TYPE_BLUETOOTH;
1092 name = "sony-bluetooth";
1093 break;
1094 case SONY_WWAN:
1095 type = RFKILL_TYPE_WWAN;
1096 name = "sony-wwan";
1097 break;
1098 case SONY_WIMAX:
1099 type = RFKILL_TYPE_WIMAX;
1100 name = "sony-wimax";
1101 break;
1102 default:
1103 return -EINVAL;
1104 }
1105
1106 rfk = rfkill_alloc(name, &device->dev, type,
1107 &sony_rfkill_ops, (void *)nc_type);
1108 if (!rfk)
1109 return -ENOMEM;
1110
1111 err = rfkill_register(rfk);
1112 if (err) {
1113 rfkill_destroy(rfk);
1114 return err;
1115 }
1116 sony_rfkill_devices[nc_type] = rfk;
1117 return err;
1118 }
1119
1120 static void sony_nc_rfkill_update()
1121 {
1122 enum sony_nc_rfkill i;
1123 int result;
1124 bool hwblock;
1125
1126 sony_call_snc_handle(0x124, 0x200, &result);
1127 hwblock = !(result & 0x1);
1128
1129 for (i = 0; i < N_SONY_RFKILL; i++) {
1130 int argument = sony_rfkill_address[i];
1131
1132 if (!sony_rfkill_devices[i])
1133 continue;
1134
1135 if (hwblock) {
1136 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1137 /* we already know we're blocked */
1138 }
1139 continue;
1140 }
1141
1142 sony_call_snc_handle(0x124, argument, &result);
1143 rfkill_set_states(sony_rfkill_devices[i],
1144 !(result & 0xf), false);
1145 }
1146 }
1147
1148 static int sony_nc_rfkill_setup(struct acpi_device *device)
1149 {
1150 int result, ret;
1151
1152 if (sony_find_snc_handle(0x124) == -1)
1153 return -1;
1154
1155 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1156 if (ret) {
1157 printk(KERN_INFO DRV_PFX
1158 "Unable to enumerate rfkill devices: %x\n", ret);
1159 return ret;
1160 }
1161
1162 if (result & 0x1)
1163 sony_nc_setup_rfkill(device, SONY_WIFI);
1164 if (result & 0x2)
1165 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1166 if (result & 0x1c)
1167 sony_nc_setup_rfkill(device, SONY_WWAN);
1168 if (result & 0x20)
1169 sony_nc_setup_rfkill(device, SONY_WIMAX);
1170
1171 return 0;
1172 }
1173
1174 static int sony_nc_add(struct acpi_device *device)
1175 {
1176 acpi_status status;
1177 int result = 0;
1178 acpi_handle handle;
1179 struct sony_nc_value *item;
1180
1181 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1182 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1183
1184 sony_nc_acpi_device = device;
1185 strcpy(acpi_device_class(device), "sony/hotkey");
1186
1187 sony_nc_acpi_handle = device->handle;
1188
1189 /* read device status */
1190 result = acpi_bus_get_status(device);
1191 /* bail IFF the above call was successful and the device is not present */
1192 if (!result && !device->status.present) {
1193 dprintk("Device not present\n");
1194 result = -ENODEV;
1195 goto outwalk;
1196 }
1197
1198 if (debug) {
1199 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1200 1, sony_walk_callback, NULL, NULL);
1201 if (ACPI_FAILURE(status)) {
1202 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1203 result = -ENODEV;
1204 goto outwalk;
1205 }
1206 }
1207
1208 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1209 * should be respected as we already checked for the device presence above */
1210 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1211 dprintk("Invoking _INI\n");
1212 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1213 NULL, NULL)))
1214 dprintk("_INI Method failed\n");
1215 }
1216
1217 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1218 &handle))) {
1219 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1220 dprintk("ECON Method failed\n");
1221 }
1222
1223 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1224 &handle))) {
1225 dprintk("Doing SNC setup\n");
1226 sony_nc_function_setup(device);
1227 sony_nc_rfkill_setup(device);
1228 }
1229
1230 /* setup input devices and helper fifo */
1231 result = sony_laptop_setup_input(device);
1232 if (result) {
1233 printk(KERN_ERR DRV_PFX
1234 "Unable to create input devices.\n");
1235 goto outwalk;
1236 }
1237
1238 if (acpi_video_backlight_support()) {
1239 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1240 "controlled by ACPI video driver\n");
1241 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1242 &handle))) {
1243 sony_backlight_device = backlight_device_register("sony", NULL,
1244 NULL,
1245 &sony_backlight_ops);
1246
1247 if (IS_ERR(sony_backlight_device)) {
1248 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1249 sony_backlight_device = NULL;
1250 } else {
1251 sony_backlight_device->props.brightness =
1252 sony_backlight_get_brightness
1253 (sony_backlight_device);
1254 sony_backlight_device->props.max_brightness =
1255 SONY_MAX_BRIGHTNESS - 1;
1256 }
1257
1258 }
1259
1260 result = sony_pf_add();
1261 if (result)
1262 goto outbacklight;
1263
1264 /* create sony_pf sysfs attributes related to the SNC device */
1265 for (item = sony_nc_values; item->name; ++item) {
1266
1267 if (!debug && item->debug)
1268 continue;
1269
1270 /* find the available acpiget as described in the DSDT */
1271 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1272 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1273 *item->acpiget,
1274 &handle))) {
1275 dprintk("Found %s getter: %s\n",
1276 item->name, *item->acpiget);
1277 item->devattr.attr.mode |= S_IRUGO;
1278 break;
1279 }
1280 }
1281
1282 /* find the available acpiset as described in the DSDT */
1283 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1284 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1285 *item->acpiset,
1286 &handle))) {
1287 dprintk("Found %s setter: %s\n",
1288 item->name, *item->acpiset);
1289 item->devattr.attr.mode |= S_IWUSR;
1290 break;
1291 }
1292 }
1293
1294 if (item->devattr.attr.mode != 0) {
1295 result =
1296 device_create_file(&sony_pf_device->dev,
1297 &item->devattr);
1298 if (result)
1299 goto out_sysfs;
1300 }
1301 }
1302
1303 return 0;
1304
1305 out_sysfs:
1306 for (item = sony_nc_values; item->name; ++item) {
1307 device_remove_file(&sony_pf_device->dev, &item->devattr);
1308 }
1309 sony_pf_remove();
1310
1311 outbacklight:
1312 if (sony_backlight_device)
1313 backlight_device_unregister(sony_backlight_device);
1314
1315 sony_laptop_remove_input();
1316
1317 outwalk:
1318 sony_nc_rfkill_cleanup();
1319 return result;
1320 }
1321
1322 static int sony_nc_remove(struct acpi_device *device, int type)
1323 {
1324 struct sony_nc_value *item;
1325
1326 if (sony_backlight_device)
1327 backlight_device_unregister(sony_backlight_device);
1328
1329 sony_nc_acpi_device = NULL;
1330
1331 for (item = sony_nc_values; item->name; ++item) {
1332 device_remove_file(&sony_pf_device->dev, &item->devattr);
1333 }
1334
1335 sony_pf_remove();
1336 sony_laptop_remove_input();
1337 sony_nc_rfkill_cleanup();
1338 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1339
1340 return 0;
1341 }
1342
1343 static const struct acpi_device_id sony_device_ids[] = {
1344 {SONY_NC_HID, 0},
1345 {SONY_PIC_HID, 0},
1346 {"", 0},
1347 };
1348 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1349
1350 static const struct acpi_device_id sony_nc_device_ids[] = {
1351 {SONY_NC_HID, 0},
1352 {"", 0},
1353 };
1354
1355 static struct acpi_driver sony_nc_driver = {
1356 .name = SONY_NC_DRIVER_NAME,
1357 .class = SONY_NC_CLASS,
1358 .ids = sony_nc_device_ids,
1359 .owner = THIS_MODULE,
1360 .ops = {
1361 .add = sony_nc_add,
1362 .remove = sony_nc_remove,
1363 .resume = sony_nc_resume,
1364 .notify = sony_nc_notify,
1365 },
1366 };
1367
1368 /*********** SPIC (SNY6001) Device ***********/
1369
1370 #define SONYPI_DEVICE_TYPE1 0x00000001
1371 #define SONYPI_DEVICE_TYPE2 0x00000002
1372 #define SONYPI_DEVICE_TYPE3 0x00000004
1373 #define SONYPI_DEVICE_TYPE4 0x00000008
1374
1375 #define SONYPI_TYPE1_OFFSET 0x04
1376 #define SONYPI_TYPE2_OFFSET 0x12
1377 #define SONYPI_TYPE3_OFFSET 0x12
1378
1379 struct sony_pic_ioport {
1380 struct acpi_resource_io io1;
1381 struct acpi_resource_io io2;
1382 struct list_head list;
1383 };
1384
1385 struct sony_pic_irq {
1386 struct acpi_resource_irq irq;
1387 struct list_head list;
1388 };
1389
1390 struct sonypi_eventtypes {
1391 u8 data;
1392 unsigned long mask;
1393 struct sonypi_event *events;
1394 };
1395
1396 struct device_ctrl {
1397 int model;
1398 int (*handle_irq)(const u8, const u8);
1399 u16 evport_offset;
1400 u8 has_camera;
1401 u8 has_bluetooth;
1402 u8 has_wwan;
1403 struct sonypi_eventtypes *event_types;
1404 };
1405
1406 struct sony_pic_dev {
1407 struct device_ctrl *control;
1408 struct acpi_device *acpi_dev;
1409 struct sony_pic_irq *cur_irq;
1410 struct sony_pic_ioport *cur_ioport;
1411 struct list_head interrupts;
1412 struct list_head ioports;
1413 struct mutex lock;
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 /* Event masks */
1425 #define SONYPI_JOGGER_MASK 0x00000001
1426 #define SONYPI_CAPTURE_MASK 0x00000002
1427 #define SONYPI_FNKEY_MASK 0x00000004
1428 #define SONYPI_BLUETOOTH_MASK 0x00000008
1429 #define SONYPI_PKEY_MASK 0x00000010
1430 #define SONYPI_BACK_MASK 0x00000020
1431 #define SONYPI_HELP_MASK 0x00000040
1432 #define SONYPI_LID_MASK 0x00000080
1433 #define SONYPI_ZOOM_MASK 0x00000100
1434 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1435 #define SONYPI_MEYE_MASK 0x00000400
1436 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1437 #define SONYPI_BATTERY_MASK 0x00001000
1438 #define SONYPI_WIRELESS_MASK 0x00002000
1439
1440 struct sonypi_event {
1441 u8 data;
1442 u8 event;
1443 };
1444
1445 /* The set of possible button release events */
1446 static struct sonypi_event sonypi_releaseev[] = {
1447 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1448 { 0, 0 }
1449 };
1450
1451 /* The set of possible jogger events */
1452 static struct sonypi_event sonypi_joggerev[] = {
1453 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1454 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1455 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1456 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1457 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1458 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1459 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1460 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1461 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1462 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1463 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1464 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1465 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1466 { 0, 0 }
1467 };
1468
1469 /* The set of possible capture button events */
1470 static struct sonypi_event sonypi_captureev[] = {
1471 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1472 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1473 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1474 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1475 { 0, 0 }
1476 };
1477
1478 /* The set of possible fnkeys events */
1479 static struct sonypi_event sonypi_fnkeyev[] = {
1480 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1481 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1482 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1483 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1484 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1485 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1486 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1487 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1488 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1489 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1490 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1491 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1492 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1493 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1494 { 0x21, SONYPI_EVENT_FNKEY_1 },
1495 { 0x22, SONYPI_EVENT_FNKEY_2 },
1496 { 0x31, SONYPI_EVENT_FNKEY_D },
1497 { 0x32, SONYPI_EVENT_FNKEY_E },
1498 { 0x33, SONYPI_EVENT_FNKEY_F },
1499 { 0x34, SONYPI_EVENT_FNKEY_S },
1500 { 0x35, SONYPI_EVENT_FNKEY_B },
1501 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1502 { 0, 0 }
1503 };
1504
1505 /* The set of possible program key events */
1506 static struct sonypi_event sonypi_pkeyev[] = {
1507 { 0x01, SONYPI_EVENT_PKEY_P1 },
1508 { 0x02, SONYPI_EVENT_PKEY_P2 },
1509 { 0x04, SONYPI_EVENT_PKEY_P3 },
1510 { 0x20, SONYPI_EVENT_PKEY_P1 },
1511 { 0, 0 }
1512 };
1513
1514 /* The set of possible bluetooth events */
1515 static struct sonypi_event sonypi_blueev[] = {
1516 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1517 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1518 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1519 { 0, 0 }
1520 };
1521
1522 /* The set of possible wireless events */
1523 static struct sonypi_event sonypi_wlessev[] = {
1524 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1525 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1526 { 0, 0 }
1527 };
1528
1529 /* The set of possible back button events */
1530 static struct sonypi_event sonypi_backev[] = {
1531 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1532 { 0, 0 }
1533 };
1534
1535 /* The set of possible help button events */
1536 static struct sonypi_event sonypi_helpev[] = {
1537 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1538 { 0, 0 }
1539 };
1540
1541
1542 /* The set of possible lid events */
1543 static struct sonypi_event sonypi_lidev[] = {
1544 { 0x51, SONYPI_EVENT_LID_CLOSED },
1545 { 0x50, SONYPI_EVENT_LID_OPENED },
1546 { 0, 0 }
1547 };
1548
1549 /* The set of possible zoom events */
1550 static struct sonypi_event sonypi_zoomev[] = {
1551 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1552 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1553 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1554 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1555 { 0, 0 }
1556 };
1557
1558 /* The set of possible thumbphrase events */
1559 static struct sonypi_event sonypi_thumbphraseev[] = {
1560 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1561 { 0, 0 }
1562 };
1563
1564 /* The set of possible motioneye camera events */
1565 static struct sonypi_event sonypi_meyeev[] = {
1566 { 0x00, SONYPI_EVENT_MEYE_FACE },
1567 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1568 { 0, 0 }
1569 };
1570
1571 /* The set of possible memorystick events */
1572 static struct sonypi_event sonypi_memorystickev[] = {
1573 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1574 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1575 { 0, 0 }
1576 };
1577
1578 /* The set of possible battery events */
1579 static struct sonypi_event sonypi_batteryev[] = {
1580 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1581 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1582 { 0, 0 }
1583 };
1584
1585 /* The set of possible volume events */
1586 static struct sonypi_event sonypi_volumeev[] = {
1587 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1588 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1589 { 0, 0 }
1590 };
1591
1592 /* The set of possible brightness events */
1593 static struct sonypi_event sonypi_brightnessev[] = {
1594 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1595 { 0, 0 }
1596 };
1597
1598 static struct sonypi_eventtypes type1_events[] = {
1599 { 0, 0xffffffff, sonypi_releaseev },
1600 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1601 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1602 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1603 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1604 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1605 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1606 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1607 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1608 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1609 { 0 },
1610 };
1611 static struct sonypi_eventtypes type2_events[] = {
1612 { 0, 0xffffffff, sonypi_releaseev },
1613 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1614 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1615 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1616 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1617 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1618 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1619 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1620 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1621 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1622 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1623 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1624 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1625 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1626 { 0 },
1627 };
1628 static struct sonypi_eventtypes type3_events[] = {
1629 { 0, 0xffffffff, sonypi_releaseev },
1630 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1631 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1632 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1633 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1634 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1635 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1636 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1637 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1638 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1639 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1640 { 0 },
1641 };
1642
1643 /* low level spic calls */
1644 #define ITERATIONS_LONG 10000
1645 #define ITERATIONS_SHORT 10
1646 #define wait_on_command(command, iterations) { \
1647 unsigned int n = iterations; \
1648 while (--n && (command)) \
1649 udelay(1); \
1650 if (!n) \
1651 dprintk("command failed at %s : %s (line %d)\n", \
1652 __FILE__, __func__, __LINE__); \
1653 }
1654
1655 static u8 sony_pic_call1(u8 dev)
1656 {
1657 u8 v1, v2;
1658
1659 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1660 ITERATIONS_LONG);
1661 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1662 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1663 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1664 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1665 return v2;
1666 }
1667
1668 static u8 sony_pic_call2(u8 dev, u8 fn)
1669 {
1670 u8 v1;
1671
1672 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1673 ITERATIONS_LONG);
1674 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1675 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1676 ITERATIONS_LONG);
1677 outb(fn, spic_dev.cur_ioport->io1.minimum);
1678 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1679 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1680 return v1;
1681 }
1682
1683 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1684 {
1685 u8 v1;
1686
1687 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1688 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1689 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1690 outb(fn, spic_dev.cur_ioport->io1.minimum);
1691 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1692 outb(v, spic_dev.cur_ioport->io1.minimum);
1693 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1694 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1695 dev, fn, v, v1);
1696 return v1;
1697 }
1698
1699 /*
1700 * minidrivers for SPIC models
1701 */
1702 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1703 {
1704 /*
1705 * 0x31 could mean we have to take some extra action and wait for
1706 * the next irq for some Type3 models, it will generate a new
1707 * irq and we can read new data from the device:
1708 * - 0x5c and 0x5f requires 0xA0
1709 * - 0x61 requires 0xB3
1710 */
1711 if (data_mask == 0x31) {
1712 if (ev == 0x5c || ev == 0x5f)
1713 sony_pic_call1(0xA0);
1714 else if (ev == 0x61)
1715 sony_pic_call1(0xB3);
1716 return 0;
1717 }
1718 return 1;
1719 }
1720
1721 static struct device_ctrl spic_types[] = {
1722 {
1723 .model = SONYPI_DEVICE_TYPE1,
1724 .handle_irq = NULL,
1725 .evport_offset = SONYPI_TYPE1_OFFSET,
1726 .event_types = type1_events,
1727 },
1728 {
1729 .model = SONYPI_DEVICE_TYPE2,
1730 .handle_irq = NULL,
1731 .evport_offset = SONYPI_TYPE2_OFFSET,
1732 .event_types = type2_events,
1733 },
1734 {
1735 .model = SONYPI_DEVICE_TYPE3,
1736 .handle_irq = type3_handle_irq,
1737 .evport_offset = SONYPI_TYPE3_OFFSET,
1738 .event_types = type3_events,
1739 },
1740 };
1741
1742 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1743 {
1744 struct pci_dev *pcidev;
1745
1746 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1747 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1748 if (pcidev) {
1749 dev->control = &spic_types[0];
1750 goto out;
1751 }
1752
1753 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1754 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1755 if (pcidev) {
1756 dev->control = &spic_types[2];
1757 goto out;
1758 }
1759
1760 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1761 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1762 if (pcidev) {
1763 dev->control = &spic_types[2];
1764 goto out;
1765 }
1766
1767 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1768 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1769 if (pcidev) {
1770 dev->control = &spic_types[2];
1771 goto out;
1772 }
1773
1774 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1775 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1776 if (pcidev) {
1777 dev->control = &spic_types[2];
1778 goto out;
1779 }
1780
1781 /* default */
1782 dev->control = &spic_types[1];
1783
1784 out:
1785 if (pcidev)
1786 pci_dev_put(pcidev);
1787
1788 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1789 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1790 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1791 }
1792
1793 /* camera tests and poweron/poweroff */
1794 #define SONYPI_CAMERA_PICTURE 5
1795 #define SONYPI_CAMERA_CONTROL 0x10
1796
1797 #define SONYPI_CAMERA_BRIGHTNESS 0
1798 #define SONYPI_CAMERA_CONTRAST 1
1799 #define SONYPI_CAMERA_HUE 2
1800 #define SONYPI_CAMERA_COLOR 3
1801 #define SONYPI_CAMERA_SHARPNESS 4
1802
1803 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1804 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1805 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1806 #define SONYPI_CAMERA_MUTE_MASK 0x40
1807
1808 /* the rest don't need a loop until not 0xff */
1809 #define SONYPI_CAMERA_AGC 6
1810 #define SONYPI_CAMERA_AGC_MASK 0x30
1811 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1812
1813 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1814 #define SONYPI_CAMERA_CONTROL 0x10
1815
1816 #define SONYPI_CAMERA_STATUS 7
1817 #define SONYPI_CAMERA_STATUS_READY 0x2
1818 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1819
1820 #define SONYPI_DIRECTION_BACKWARDS 0x4
1821
1822 #define SONYPI_CAMERA_REVISION 8
1823 #define SONYPI_CAMERA_ROMVERSION 9
1824
1825 static int __sony_pic_camera_ready(void)
1826 {
1827 u8 v;
1828
1829 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1830 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1831 }
1832
1833 static int __sony_pic_camera_off(void)
1834 {
1835 if (!camera) {
1836 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1837 return -ENODEV;
1838 }
1839
1840 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1841 SONYPI_CAMERA_MUTE_MASK),
1842 ITERATIONS_SHORT);
1843
1844 if (spic_dev.camera_power) {
1845 sony_pic_call2(0x91, 0);
1846 spic_dev.camera_power = 0;
1847 }
1848 return 0;
1849 }
1850
1851 static int __sony_pic_camera_on(void)
1852 {
1853 int i, j, x;
1854
1855 if (!camera) {
1856 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1857 return -ENODEV;
1858 }
1859
1860 if (spic_dev.camera_power)
1861 return 0;
1862
1863 for (j = 5; j > 0; j--) {
1864
1865 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1866 msleep(10);
1867 sony_pic_call1(0x93);
1868
1869 for (i = 400; i > 0; i--) {
1870 if (__sony_pic_camera_ready())
1871 break;
1872 msleep(10);
1873 }
1874 if (i)
1875 break;
1876 }
1877
1878 if (j == 0) {
1879 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1880 return -ENODEV;
1881 }
1882
1883 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1884 0x5a),
1885 ITERATIONS_SHORT);
1886
1887 spic_dev.camera_power = 1;
1888 return 0;
1889 }
1890
1891 /* External camera command (exported to the motion eye v4l driver) */
1892 int sony_pic_camera_command(int command, u8 value)
1893 {
1894 if (!camera)
1895 return -EIO;
1896
1897 mutex_lock(&spic_dev.lock);
1898
1899 switch (command) {
1900 case SONY_PIC_COMMAND_SETCAMERA:
1901 if (value)
1902 __sony_pic_camera_on();
1903 else
1904 __sony_pic_camera_off();
1905 break;
1906 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1907 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1908 ITERATIONS_SHORT);
1909 break;
1910 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1911 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1912 ITERATIONS_SHORT);
1913 break;
1914 case SONY_PIC_COMMAND_SETCAMERAHUE:
1915 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1916 ITERATIONS_SHORT);
1917 break;
1918 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1919 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1920 ITERATIONS_SHORT);
1921 break;
1922 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1923 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1924 ITERATIONS_SHORT);
1925 break;
1926 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1927 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1928 ITERATIONS_SHORT);
1929 break;
1930 case SONY_PIC_COMMAND_SETCAMERAAGC:
1931 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1932 ITERATIONS_SHORT);
1933 break;
1934 default:
1935 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1936 command);
1937 break;
1938 }
1939 mutex_unlock(&spic_dev.lock);
1940 return 0;
1941 }
1942 EXPORT_SYMBOL(sony_pic_camera_command);
1943
1944 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1945 static void __sony_pic_set_wwanpower(u8 state)
1946 {
1947 state = !!state;
1948 if (spic_dev.wwan_power == state)
1949 return;
1950 sony_pic_call2(0xB0, state);
1951 sony_pic_call1(0x82);
1952 spic_dev.wwan_power = state;
1953 }
1954
1955 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1956 struct device_attribute *attr,
1957 const char *buffer, size_t count)
1958 {
1959 unsigned long value;
1960 if (count > 31)
1961 return -EINVAL;
1962
1963 value = simple_strtoul(buffer, NULL, 10);
1964 mutex_lock(&spic_dev.lock);
1965 __sony_pic_set_wwanpower(value);
1966 mutex_unlock(&spic_dev.lock);
1967
1968 return count;
1969 }
1970
1971 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1972 struct device_attribute *attr, char *buffer)
1973 {
1974 ssize_t count;
1975 mutex_lock(&spic_dev.lock);
1976 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1977 mutex_unlock(&spic_dev.lock);
1978 return count;
1979 }
1980
1981 /* bluetooth subsystem power state */
1982 static void __sony_pic_set_bluetoothpower(u8 state)
1983 {
1984 state = !!state;
1985 if (spic_dev.bluetooth_power == state)
1986 return;
1987 sony_pic_call2(0x96, state);
1988 sony_pic_call1(0x82);
1989 spic_dev.bluetooth_power = state;
1990 }
1991
1992 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1993 struct device_attribute *attr,
1994 const char *buffer, size_t count)
1995 {
1996 unsigned long value;
1997 if (count > 31)
1998 return -EINVAL;
1999
2000 value = simple_strtoul(buffer, NULL, 10);
2001 mutex_lock(&spic_dev.lock);
2002 __sony_pic_set_bluetoothpower(value);
2003 mutex_unlock(&spic_dev.lock);
2004
2005 return count;
2006 }
2007
2008 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2009 struct device_attribute *attr, char *buffer)
2010 {
2011 ssize_t count = 0;
2012 mutex_lock(&spic_dev.lock);
2013 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2014 mutex_unlock(&spic_dev.lock);
2015 return count;
2016 }
2017
2018 /* fan speed */
2019 /* FAN0 information (reverse engineered from ACPI tables) */
2020 #define SONY_PIC_FAN0_STATUS 0x93
2021 static int sony_pic_set_fanspeed(unsigned long value)
2022 {
2023 return ec_write(SONY_PIC_FAN0_STATUS, value);
2024 }
2025
2026 static int sony_pic_get_fanspeed(u8 *value)
2027 {
2028 return ec_read(SONY_PIC_FAN0_STATUS, value);
2029 }
2030
2031 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2032 struct device_attribute *attr,
2033 const char *buffer, size_t count)
2034 {
2035 unsigned long value;
2036 if (count > 31)
2037 return -EINVAL;
2038
2039 value = simple_strtoul(buffer, NULL, 10);
2040 if (sony_pic_set_fanspeed(value))
2041 return -EIO;
2042
2043 return count;
2044 }
2045
2046 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2047 struct device_attribute *attr, char *buffer)
2048 {
2049 u8 value = 0;
2050 if (sony_pic_get_fanspeed(&value))
2051 return -EIO;
2052
2053 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2054 }
2055
2056 #define SPIC_ATTR(_name, _mode) \
2057 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2058 _mode, sony_pic_## _name ##_show, \
2059 sony_pic_## _name ##_store)
2060
2061 static SPIC_ATTR(bluetoothpower, 0644);
2062 static SPIC_ATTR(wwanpower, 0644);
2063 static SPIC_ATTR(fanspeed, 0644);
2064
2065 static struct attribute *spic_attributes[] = {
2066 &spic_attr_bluetoothpower.attr,
2067 &spic_attr_wwanpower.attr,
2068 &spic_attr_fanspeed.attr,
2069 NULL
2070 };
2071
2072 static struct attribute_group spic_attribute_group = {
2073 .attrs = spic_attributes
2074 };
2075
2076 /******** SONYPI compatibility **********/
2077 #ifdef CONFIG_SONYPI_COMPAT
2078
2079 /* battery / brightness / temperature addresses */
2080 #define SONYPI_BAT_FLAGS 0x81
2081 #define SONYPI_LCD_LIGHT 0x96
2082 #define SONYPI_BAT1_PCTRM 0xa0
2083 #define SONYPI_BAT1_LEFT 0xa2
2084 #define SONYPI_BAT1_MAXRT 0xa4
2085 #define SONYPI_BAT2_PCTRM 0xa8
2086 #define SONYPI_BAT2_LEFT 0xaa
2087 #define SONYPI_BAT2_MAXRT 0xac
2088 #define SONYPI_BAT1_MAXTK 0xb0
2089 #define SONYPI_BAT1_FULL 0xb2
2090 #define SONYPI_BAT2_MAXTK 0xb8
2091 #define SONYPI_BAT2_FULL 0xba
2092 #define SONYPI_TEMP_STATUS 0xC1
2093
2094 struct sonypi_compat_s {
2095 struct fasync_struct *fifo_async;
2096 struct kfifo *fifo;
2097 spinlock_t fifo_lock;
2098 wait_queue_head_t fifo_proc_list;
2099 atomic_t open_count;
2100 };
2101 static struct sonypi_compat_s sonypi_compat = {
2102 .open_count = ATOMIC_INIT(0),
2103 };
2104
2105 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2106 {
2107 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2108 }
2109
2110 static int sonypi_misc_release(struct inode *inode, struct file *file)
2111 {
2112 atomic_dec(&sonypi_compat.open_count);
2113 return 0;
2114 }
2115
2116 static int sonypi_misc_open(struct inode *inode, struct file *file)
2117 {
2118 /* Flush input queue on first open */
2119 unsigned long flags;
2120
2121 spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2122
2123 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2124 __kfifo_reset(sonypi_compat.fifo);
2125
2126 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2127
2128 return 0;
2129 }
2130
2131 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2132 size_t count, loff_t *pos)
2133 {
2134 ssize_t ret;
2135 unsigned char c;
2136
2137 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2138 (file->f_flags & O_NONBLOCK))
2139 return -EAGAIN;
2140
2141 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2142 kfifo_len(sonypi_compat.fifo) != 0);
2143 if (ret)
2144 return ret;
2145
2146 while (ret < count &&
2147 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2148 if (put_user(c, buf++))
2149 return -EFAULT;
2150 ret++;
2151 }
2152
2153 if (ret > 0) {
2154 struct inode *inode = file->f_path.dentry->d_inode;
2155 inode->i_atime = current_fs_time(inode->i_sb);
2156 }
2157
2158 return ret;
2159 }
2160
2161 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2162 {
2163 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2164 if (kfifo_len(sonypi_compat.fifo))
2165 return POLLIN | POLLRDNORM;
2166 return 0;
2167 }
2168
2169 static int ec_read16(u8 addr, u16 *value)
2170 {
2171 u8 val_lb, val_hb;
2172 if (ec_read(addr, &val_lb))
2173 return -1;
2174 if (ec_read(addr + 1, &val_hb))
2175 return -1;
2176 *value = val_lb | (val_hb << 8);
2177 return 0;
2178 }
2179
2180 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2181 unsigned long arg)
2182 {
2183 int ret = 0;
2184 void __user *argp = (void __user *)arg;
2185 u8 val8;
2186 u16 val16;
2187 int value;
2188
2189 mutex_lock(&spic_dev.lock);
2190 switch (cmd) {
2191 case SONYPI_IOCGBRT:
2192 if (sony_backlight_device == NULL) {
2193 ret = -EIO;
2194 break;
2195 }
2196 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2197 ret = -EIO;
2198 break;
2199 }
2200 val8 = ((value & 0xff) - 1) << 5;
2201 if (copy_to_user(argp, &val8, sizeof(val8)))
2202 ret = -EFAULT;
2203 break;
2204 case SONYPI_IOCSBRT:
2205 if (sony_backlight_device == NULL) {
2206 ret = -EIO;
2207 break;
2208 }
2209 if (copy_from_user(&val8, argp, sizeof(val8))) {
2210 ret = -EFAULT;
2211 break;
2212 }
2213 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2214 (val8 >> 5) + 1, NULL)) {
2215 ret = -EIO;
2216 break;
2217 }
2218 /* sync the backlight device status */
2219 sony_backlight_device->props.brightness =
2220 sony_backlight_get_brightness(sony_backlight_device);
2221 break;
2222 case SONYPI_IOCGBAT1CAP:
2223 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2224 ret = -EIO;
2225 break;
2226 }
2227 if (copy_to_user(argp, &val16, sizeof(val16)))
2228 ret = -EFAULT;
2229 break;
2230 case SONYPI_IOCGBAT1REM:
2231 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2232 ret = -EIO;
2233 break;
2234 }
2235 if (copy_to_user(argp, &val16, sizeof(val16)))
2236 ret = -EFAULT;
2237 break;
2238 case SONYPI_IOCGBAT2CAP:
2239 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2240 ret = -EIO;
2241 break;
2242 }
2243 if (copy_to_user(argp, &val16, sizeof(val16)))
2244 ret = -EFAULT;
2245 break;
2246 case SONYPI_IOCGBAT2REM:
2247 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2248 ret = -EIO;
2249 break;
2250 }
2251 if (copy_to_user(argp, &val16, sizeof(val16)))
2252 ret = -EFAULT;
2253 break;
2254 case SONYPI_IOCGBATFLAGS:
2255 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2256 ret = -EIO;
2257 break;
2258 }
2259 val8 &= 0x07;
2260 if (copy_to_user(argp, &val8, sizeof(val8)))
2261 ret = -EFAULT;
2262 break;
2263 case SONYPI_IOCGBLUE:
2264 val8 = spic_dev.bluetooth_power;
2265 if (copy_to_user(argp, &val8, sizeof(val8)))
2266 ret = -EFAULT;
2267 break;
2268 case SONYPI_IOCSBLUE:
2269 if (copy_from_user(&val8, argp, sizeof(val8))) {
2270 ret = -EFAULT;
2271 break;
2272 }
2273 __sony_pic_set_bluetoothpower(val8);
2274 break;
2275 /* FAN Controls */
2276 case SONYPI_IOCGFAN:
2277 if (sony_pic_get_fanspeed(&val8)) {
2278 ret = -EIO;
2279 break;
2280 }
2281 if (copy_to_user(argp, &val8, sizeof(val8)))
2282 ret = -EFAULT;
2283 break;
2284 case SONYPI_IOCSFAN:
2285 if (copy_from_user(&val8, argp, sizeof(val8))) {
2286 ret = -EFAULT;
2287 break;
2288 }
2289 if (sony_pic_set_fanspeed(val8))
2290 ret = -EIO;
2291 break;
2292 /* GET Temperature (useful under APM) */
2293 case SONYPI_IOCGTEMP:
2294 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2295 ret = -EIO;
2296 break;
2297 }
2298 if (copy_to_user(argp, &val8, sizeof(val8)))
2299 ret = -EFAULT;
2300 break;
2301 default:
2302 ret = -EINVAL;
2303 }
2304 mutex_unlock(&spic_dev.lock);
2305 return ret;
2306 }
2307
2308 static const struct file_operations sonypi_misc_fops = {
2309 .owner = THIS_MODULE,
2310 .read = sonypi_misc_read,
2311 .poll = sonypi_misc_poll,
2312 .open = sonypi_misc_open,
2313 .release = sonypi_misc_release,
2314 .fasync = sonypi_misc_fasync,
2315 .unlocked_ioctl = sonypi_misc_ioctl,
2316 };
2317
2318 static struct miscdevice sonypi_misc_device = {
2319 .minor = MISC_DYNAMIC_MINOR,
2320 .name = "sonypi",
2321 .fops = &sonypi_misc_fops,
2322 };
2323
2324 static void sonypi_compat_report_event(u8 event)
2325 {
2326 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2327 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2328 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2329 }
2330
2331 static int sonypi_compat_init(void)
2332 {
2333 int error;
2334
2335 spin_lock_init(&sonypi_compat.fifo_lock);
2336 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2337 &sonypi_compat.fifo_lock);
2338 if (IS_ERR(sonypi_compat.fifo)) {
2339 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2340 return PTR_ERR(sonypi_compat.fifo);
2341 }
2342
2343 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2344
2345 if (minor != -1)
2346 sonypi_misc_device.minor = minor;
2347 error = misc_register(&sonypi_misc_device);
2348 if (error) {
2349 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2350 goto err_free_kfifo;
2351 }
2352 if (minor == -1)
2353 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2354 sonypi_misc_device.minor);
2355
2356 return 0;
2357
2358 err_free_kfifo:
2359 kfifo_free(sonypi_compat.fifo);
2360 return error;
2361 }
2362
2363 static void sonypi_compat_exit(void)
2364 {
2365 misc_deregister(&sonypi_misc_device);
2366 kfifo_free(sonypi_compat.fifo);
2367 }
2368 #else
2369 static int sonypi_compat_init(void) { return 0; }
2370 static void sonypi_compat_exit(void) { }
2371 static void sonypi_compat_report_event(u8 event) { }
2372 #endif /* CONFIG_SONYPI_COMPAT */
2373
2374 /*
2375 * ACPI callbacks
2376 */
2377 static acpi_status
2378 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2379 {
2380 u32 i;
2381 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2382
2383 switch (resource->type) {
2384 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2385 {
2386 /* start IO enumeration */
2387 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2388 if (!ioport)
2389 return AE_ERROR;
2390
2391 list_add(&ioport->list, &dev->ioports);
2392 return AE_OK;
2393 }
2394
2395 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2396 /* end IO enumeration */
2397 return AE_OK;
2398
2399 case ACPI_RESOURCE_TYPE_IRQ:
2400 {
2401 struct acpi_resource_irq *p = &resource->data.irq;
2402 struct sony_pic_irq *interrupt = NULL;
2403 if (!p || !p->interrupt_count) {
2404 /*
2405 * IRQ descriptors may have no IRQ# bits set,
2406 * particularly those those w/ _STA disabled
2407 */
2408 dprintk("Blank IRQ resource\n");
2409 return AE_OK;
2410 }
2411 for (i = 0; i < p->interrupt_count; i++) {
2412 if (!p->interrupts[i]) {
2413 printk(KERN_WARNING DRV_PFX
2414 "Invalid IRQ %d\n",
2415 p->interrupts[i]);
2416 continue;
2417 }
2418 interrupt = kzalloc(sizeof(*interrupt),
2419 GFP_KERNEL);
2420 if (!interrupt)
2421 return AE_ERROR;
2422
2423 list_add(&interrupt->list, &dev->interrupts);
2424 interrupt->irq.triggering = p->triggering;
2425 interrupt->irq.polarity = p->polarity;
2426 interrupt->irq.sharable = p->sharable;
2427 interrupt->irq.interrupt_count = 1;
2428 interrupt->irq.interrupts[0] = p->interrupts[i];
2429 }
2430 return AE_OK;
2431 }
2432 case ACPI_RESOURCE_TYPE_IO:
2433 {
2434 struct acpi_resource_io *io = &resource->data.io;
2435 struct sony_pic_ioport *ioport =
2436 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2437 if (!io) {
2438 dprintk("Blank IO resource\n");
2439 return AE_OK;
2440 }
2441
2442 if (!ioport->io1.minimum) {
2443 memcpy(&ioport->io1, io, sizeof(*io));
2444 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2445 ioport->io1.address_length);
2446 }
2447 else if (!ioport->io2.minimum) {
2448 memcpy(&ioport->io2, io, sizeof(*io));
2449 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2450 ioport->io2.address_length);
2451 }
2452 else {
2453 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2454 return AE_ERROR;
2455 }
2456 return AE_OK;
2457 }
2458 default:
2459 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2460 resource->type);
2461
2462 case ACPI_RESOURCE_TYPE_END_TAG:
2463 return AE_OK;
2464 }
2465 return AE_CTRL_TERMINATE;
2466 }
2467
2468 static int sony_pic_possible_resources(struct acpi_device *device)
2469 {
2470 int result = 0;
2471 acpi_status status = AE_OK;
2472
2473 if (!device)
2474 return -EINVAL;
2475
2476 /* get device status */
2477 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2478 dprintk("Evaluating _STA\n");
2479 result = acpi_bus_get_status(device);
2480 if (result) {
2481 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2482 goto end;
2483 }
2484
2485 if (!device->status.enabled)
2486 dprintk("Device disabled\n");
2487 else
2488 dprintk("Device enabled\n");
2489
2490 /*
2491 * Query and parse 'method'
2492 */
2493 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2494 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2495 sony_pic_read_possible_resource, &spic_dev);
2496 if (ACPI_FAILURE(status)) {
2497 printk(KERN_WARNING DRV_PFX
2498 "Failure evaluating %s\n",
2499 METHOD_NAME__PRS);
2500 result = -ENODEV;
2501 }
2502 end:
2503 return result;
2504 }
2505
2506 /*
2507 * Disable the spic device by calling its _DIS method
2508 */
2509 static int sony_pic_disable(struct acpi_device *device)
2510 {
2511 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2512 NULL);
2513
2514 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2515 return -ENXIO;
2516
2517 dprintk("Device disabled\n");
2518 return 0;
2519 }
2520
2521
2522 /*
2523 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2524 *
2525 * Call _SRS to set current resources
2526 */
2527 static int sony_pic_enable(struct acpi_device *device,
2528 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2529 {
2530 acpi_status status;
2531 int result = 0;
2532 /* Type 1 resource layout is:
2533 * IO
2534 * IO
2535 * IRQNoFlags
2536 * End
2537 *
2538 * Type 2 and 3 resource layout is:
2539 * IO
2540 * IRQNoFlags
2541 * End
2542 */
2543 struct {
2544 struct acpi_resource res1;
2545 struct acpi_resource res2;
2546 struct acpi_resource res3;
2547 struct acpi_resource res4;
2548 } *resource;
2549 struct acpi_buffer buffer = { 0, NULL };
2550
2551 if (!ioport || !irq)
2552 return -EINVAL;
2553
2554 /* init acpi_buffer */
2555 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2556 if (!resource)
2557 return -ENOMEM;
2558
2559 buffer.length = sizeof(*resource) + 1;
2560 buffer.pointer = resource;
2561
2562 /* setup Type 1 resources */
2563 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2564
2565 /* setup io resources */
2566 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2567 resource->res1.length = sizeof(struct acpi_resource);
2568 memcpy(&resource->res1.data.io, &ioport->io1,
2569 sizeof(struct acpi_resource_io));
2570
2571 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2572 resource->res2.length = sizeof(struct acpi_resource);
2573 memcpy(&resource->res2.data.io, &ioport->io2,
2574 sizeof(struct acpi_resource_io));
2575
2576 /* setup irq resource */
2577 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2578 resource->res3.length = sizeof(struct acpi_resource);
2579 memcpy(&resource->res3.data.irq, &irq->irq,
2580 sizeof(struct acpi_resource_irq));
2581 /* we requested a shared irq */
2582 resource->res3.data.irq.sharable = ACPI_SHARED;
2583
2584 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2585
2586 }
2587 /* setup Type 2/3 resources */
2588 else {
2589 /* setup io resource */
2590 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2591 resource->res1.length = sizeof(struct acpi_resource);
2592 memcpy(&resource->res1.data.io, &ioport->io1,
2593 sizeof(struct acpi_resource_io));
2594
2595 /* setup irq resource */
2596 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2597 resource->res2.length = sizeof(struct acpi_resource);
2598 memcpy(&resource->res2.data.irq, &irq->irq,
2599 sizeof(struct acpi_resource_irq));
2600 /* we requested a shared irq */
2601 resource->res2.data.irq.sharable = ACPI_SHARED;
2602
2603 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2604 }
2605
2606 /* Attempt to set the resource */
2607 dprintk("Evaluating _SRS\n");
2608 status = acpi_set_current_resources(device->handle, &buffer);
2609
2610 /* check for total failure */
2611 if (ACPI_FAILURE(status)) {
2612 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2613 result = -ENODEV;
2614 goto end;
2615 }
2616
2617 /* Necessary device initializations calls (from sonypi) */
2618 sony_pic_call1(0x82);
2619 sony_pic_call2(0x81, 0xff);
2620 sony_pic_call1(compat ? 0x92 : 0x82);
2621
2622 end:
2623 kfree(resource);
2624 return result;
2625 }
2626
2627 /*****************
2628 *
2629 * ISR: some event is available
2630 *
2631 *****************/
2632 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2633 {
2634 int i, j;
2635 u8 ev = 0;
2636 u8 data_mask = 0;
2637 u8 device_event = 0;
2638
2639 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2640
2641 ev = inb_p(dev->cur_ioport->io1.minimum);
2642 if (dev->cur_ioport->io2.minimum)
2643 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2644 else
2645 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2646 dev->control->evport_offset);
2647
2648 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2649 ev, data_mask, dev->cur_ioport->io1.minimum,
2650 dev->control->evport_offset);
2651
2652 if (ev == 0x00 || ev == 0xff)
2653 return IRQ_HANDLED;
2654
2655 for (i = 0; dev->control->event_types[i].mask; i++) {
2656
2657 if ((data_mask & dev->control->event_types[i].data) !=
2658 dev->control->event_types[i].data)
2659 continue;
2660
2661 if (!(mask & dev->control->event_types[i].mask))
2662 continue;
2663
2664 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2665 if (ev == dev->control->event_types[i].events[j].data) {
2666 device_event =
2667 dev->control->
2668 event_types[i].events[j].event;
2669 goto found;
2670 }
2671 }
2672 }
2673 /* Still not able to decode the event try to pass
2674 * it over to the minidriver
2675 */
2676 if (dev->control->handle_irq &&
2677 dev->control->handle_irq(data_mask, ev) == 0)
2678 return IRQ_HANDLED;
2679
2680 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2681 ev, data_mask, dev->cur_ioport->io1.minimum,
2682 dev->control->evport_offset);
2683 return IRQ_HANDLED;
2684
2685 found:
2686 sony_laptop_report_input_event(device_event);
2687 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2688 sonypi_compat_report_event(device_event);
2689
2690 return IRQ_HANDLED;
2691 }
2692
2693 /*****************
2694 *
2695 * ACPI driver
2696 *
2697 *****************/
2698 static int sony_pic_remove(struct acpi_device *device, int type)
2699 {
2700 struct sony_pic_ioport *io, *tmp_io;
2701 struct sony_pic_irq *irq, *tmp_irq;
2702
2703 if (sony_pic_disable(device)) {
2704 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2705 return -ENXIO;
2706 }
2707
2708 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2709 release_region(spic_dev.cur_ioport->io1.minimum,
2710 spic_dev.cur_ioport->io1.address_length);
2711 if (spic_dev.cur_ioport->io2.minimum)
2712 release_region(spic_dev.cur_ioport->io2.minimum,
2713 spic_dev.cur_ioport->io2.address_length);
2714
2715 sonypi_compat_exit();
2716
2717 sony_laptop_remove_input();
2718
2719 /* pf attrs */
2720 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2721 sony_pf_remove();
2722
2723 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2724 list_del(&io->list);
2725 kfree(io);
2726 }
2727 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2728 list_del(&irq->list);
2729 kfree(irq);
2730 }
2731 spic_dev.cur_ioport = NULL;
2732 spic_dev.cur_irq = NULL;
2733
2734 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2735 return 0;
2736 }
2737
2738 static int sony_pic_add(struct acpi_device *device)
2739 {
2740 int result;
2741 struct sony_pic_ioport *io, *tmp_io;
2742 struct sony_pic_irq *irq, *tmp_irq;
2743
2744 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2745 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2746
2747 spic_dev.acpi_dev = device;
2748 strcpy(acpi_device_class(device), "sony/hotkey");
2749 sony_pic_detect_device_type(&spic_dev);
2750 mutex_init(&spic_dev.lock);
2751
2752 /* read _PRS resources */
2753 result = sony_pic_possible_resources(device);
2754 if (result) {
2755 printk(KERN_ERR DRV_PFX
2756 "Unable to read possible resources.\n");
2757 goto err_free_resources;
2758 }
2759
2760 /* setup input devices and helper fifo */
2761 result = sony_laptop_setup_input(device);
2762 if (result) {
2763 printk(KERN_ERR DRV_PFX
2764 "Unable to create input devices.\n");
2765 goto err_free_resources;
2766 }
2767
2768 if (sonypi_compat_init())
2769 goto err_remove_input;
2770
2771 /* request io port */
2772 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2773 if (request_region(io->io1.minimum, io->io1.address_length,
2774 "Sony Programable I/O Device")) {
2775 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2776 io->io1.minimum, io->io1.maximum,
2777 io->io1.address_length);
2778 /* Type 1 have 2 ioports */
2779 if (io->io2.minimum) {
2780 if (request_region(io->io2.minimum,
2781 io->io2.address_length,
2782 "Sony Programable I/O Device")) {
2783 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2784 io->io2.minimum, io->io2.maximum,
2785 io->io2.address_length);
2786 spic_dev.cur_ioport = io;
2787 break;
2788 }
2789 else {
2790 dprintk("Unable to get I/O port2: "
2791 "0x%.4x (0x%.4x) + 0x%.2x\n",
2792 io->io2.minimum, io->io2.maximum,
2793 io->io2.address_length);
2794 release_region(io->io1.minimum,
2795 io->io1.address_length);
2796 }
2797 }
2798 else {
2799 spic_dev.cur_ioport = io;
2800 break;
2801 }
2802 }
2803 }
2804 if (!spic_dev.cur_ioport) {
2805 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2806 result = -ENODEV;
2807 goto err_remove_compat;
2808 }
2809
2810 /* request IRQ */
2811 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2812 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2813 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2814 dprintk("IRQ: %d - triggering: %d - "
2815 "polarity: %d - shr: %d\n",
2816 irq->irq.interrupts[0],
2817 irq->irq.triggering,
2818 irq->irq.polarity,
2819 irq->irq.sharable);
2820 spic_dev.cur_irq = irq;
2821 break;
2822 }
2823 }
2824 if (!spic_dev.cur_irq) {
2825 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2826 result = -ENODEV;
2827 goto err_release_region;
2828 }
2829
2830 /* set resource status _SRS */
2831 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2832 if (result) {
2833 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2834 goto err_free_irq;
2835 }
2836
2837 spic_dev.bluetooth_power = -1;
2838 /* create device attributes */
2839 result = sony_pf_add();
2840 if (result)
2841 goto err_disable_device;
2842
2843 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2844 if (result)
2845 goto err_remove_pf;
2846
2847 return 0;
2848
2849 err_remove_pf:
2850 sony_pf_remove();
2851
2852 err_disable_device:
2853 sony_pic_disable(device);
2854
2855 err_free_irq:
2856 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2857
2858 err_release_region:
2859 release_region(spic_dev.cur_ioport->io1.minimum,
2860 spic_dev.cur_ioport->io1.address_length);
2861 if (spic_dev.cur_ioport->io2.minimum)
2862 release_region(spic_dev.cur_ioport->io2.minimum,
2863 spic_dev.cur_ioport->io2.address_length);
2864
2865 err_remove_compat:
2866 sonypi_compat_exit();
2867
2868 err_remove_input:
2869 sony_laptop_remove_input();
2870
2871 err_free_resources:
2872 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2873 list_del(&io->list);
2874 kfree(io);
2875 }
2876 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2877 list_del(&irq->list);
2878 kfree(irq);
2879 }
2880 spic_dev.cur_ioport = NULL;
2881 spic_dev.cur_irq = NULL;
2882
2883 return result;
2884 }
2885
2886 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2887 {
2888 if (sony_pic_disable(device))
2889 return -ENXIO;
2890 return 0;
2891 }
2892
2893 static int sony_pic_resume(struct acpi_device *device)
2894 {
2895 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2896 return 0;
2897 }
2898
2899 static const struct acpi_device_id sony_pic_device_ids[] = {
2900 {SONY_PIC_HID, 0},
2901 {"", 0},
2902 };
2903
2904 static struct acpi_driver sony_pic_driver = {
2905 .name = SONY_PIC_DRIVER_NAME,
2906 .class = SONY_PIC_CLASS,
2907 .ids = sony_pic_device_ids,
2908 .owner = THIS_MODULE,
2909 .ops = {
2910 .add = sony_pic_add,
2911 .remove = sony_pic_remove,
2912 .suspend = sony_pic_suspend,
2913 .resume = sony_pic_resume,
2914 },
2915 };
2916
2917 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2918 {
2919 .ident = "Sony Vaio",
2920 .matches = {
2921 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2922 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2923 },
2924 },
2925 {
2926 .ident = "Sony Vaio",
2927 .matches = {
2928 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2929 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2930 },
2931 },
2932 { }
2933 };
2934
2935 static int __init sony_laptop_init(void)
2936 {
2937 int result;
2938
2939 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2940 result = acpi_bus_register_driver(&sony_pic_driver);
2941 if (result) {
2942 printk(KERN_ERR DRV_PFX
2943 "Unable to register SPIC driver.");
2944 goto out;
2945 }
2946 }
2947
2948 result = acpi_bus_register_driver(&sony_nc_driver);
2949 if (result) {
2950 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2951 goto out_unregister_pic;
2952 }
2953
2954 return 0;
2955
2956 out_unregister_pic:
2957 if (!no_spic)
2958 acpi_bus_unregister_driver(&sony_pic_driver);
2959 out:
2960 return result;
2961 }
2962
2963 static void __exit sony_laptop_exit(void)
2964 {
2965 acpi_bus_unregister_driver(&sony_nc_driver);
2966 if (!no_spic)
2967 acpi_bus_unregister_driver(&sony_pic_driver);
2968 }
2969
2970 module_init(sony_laptop_init);
2971 module_exit(sony_laptop_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree