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sony-laptop: keyboard backlight fixes
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / platform / x86 / sony-laptop.c
blob8f709aec4da0ac2ebb81d09e19baea9932506f26
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 <linux/slab.h>
62 #include <acpi/acpi_drivers.h>
63 #include <acpi/acpi_bus.h>
64 #include <asm/uaccess.h>
65 #include <linux/sonypi.h>
66 #include <linux/sony-laptop.h>
67 #include <linux/rfkill.h>
68 #ifdef CONFIG_SONYPI_COMPAT
69 #include <linux/poll.h>
70 #include <linux/miscdevice.h>
71 #endif
72
73 #define DRV_PFX "sony-laptop: "
74 #define dprintk(msg...) do { \
75 if (debug) \
76 pr_warn(DRV_PFX msg); \
77 } while (0)
78
79 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
80
81 #define SONY_NC_CLASS "sony-nc"
82 #define SONY_NC_HID "SNY5001"
83 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
84
85 #define SONY_PIC_CLASS "sony-pic"
86 #define SONY_PIC_HID "SNY6001"
87 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
88
89 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
90 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
91 MODULE_LICENSE("GPL");
92 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
93
94 static int debug;
95 module_param(debug, int, 0);
96 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
97 "the development of this driver");
98
99 static int no_spic; /* = 0 */
100 module_param(no_spic, int, 0444);
101 MODULE_PARM_DESC(no_spic,
102 "set this if you don't want to enable the SPIC device");
103
104 static int compat; /* = 0 */
105 module_param(compat, int, 0444);
106 MODULE_PARM_DESC(compat,
107 "set this if you want to enable backward compatibility mode");
108
109 static unsigned long mask = 0xffffffff;
110 module_param(mask, ulong, 0644);
111 MODULE_PARM_DESC(mask,
112 "set this to the mask of event you want to enable (see doc)");
113
114 static int camera; /* = 0 */
115 module_param(camera, int, 0444);
116 MODULE_PARM_DESC(camera,
117 "set this to 1 to enable Motion Eye camera controls "
118 "(only use it if you have a C1VE or C1VN model)");
119
120 #ifdef CONFIG_SONYPI_COMPAT
121 static int minor = -1;
122 module_param(minor, int, 0);
123 MODULE_PARM_DESC(minor,
124 "minor number of the misc device for the SPIC compatibility code, "
125 "default is -1 (automatic)");
126 #endif
127
128 static int kbd_backlight; /* = 1 */
129 module_param(kbd_backlight, int, 0444);
130 MODULE_PARM_DESC(kbd_backlight,
131 "set this to 0 to disable keyboard backlight, "
132 "1 to enable it (default: 0)");
133
134 static int kbd_backlight_timeout; /* = 0 */
135 module_param(kbd_backlight_timeout, int, 0444);
136 MODULE_PARM_DESC(kbd_backlight_timeout,
137 "set this to 0 to set the default 10 seconds timeout, "
138 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
139 "(default: 0)");
140
141 static void sony_nc_kbd_backlight_resume(void);
142
143 enum sony_nc_rfkill {
144 SONY_WIFI,
145 SONY_BLUETOOTH,
146 SONY_WWAN,
147 SONY_WIMAX,
148 N_SONY_RFKILL,
149 };
150
151 static int sony_rfkill_handle;
152 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
153 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
154 static void sony_nc_rfkill_update(void);
155
156 /*********** Input Devices ***********/
157
158 #define SONY_LAPTOP_BUF_SIZE 128
159 struct sony_laptop_input_s {
160 atomic_t users;
161 struct input_dev *jog_dev;
162 struct input_dev *key_dev;
163 struct kfifo fifo;
164 spinlock_t fifo_lock;
165 struct timer_list release_key_timer;
166 };
167
168 static struct sony_laptop_input_s sony_laptop_input = {
169 .users = ATOMIC_INIT(0),
170 };
171
172 struct sony_laptop_keypress {
173 struct input_dev *dev;
174 int key;
175 };
176
177 /* Correspondance table between sonypi events
178 * and input layer indexes in the keymap
179 */
180 static int sony_laptop_input_index[] = {
181 -1, /* 0 no event */
182 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
183 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
184 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
185 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
186 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
187 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
188 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
189 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
190 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
191 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
192 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
193 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
194 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
195 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
196 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
197 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
198 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
199 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
200 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
201 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
202 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
203 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
204 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
205 17, /* 24 SONYPI_EVENT_FNKEY_1 */
206 18, /* 25 SONYPI_EVENT_FNKEY_2 */
207 19, /* 26 SONYPI_EVENT_FNKEY_D */
208 20, /* 27 SONYPI_EVENT_FNKEY_E */
209 21, /* 28 SONYPI_EVENT_FNKEY_F */
210 22, /* 29 SONYPI_EVENT_FNKEY_S */
211 23, /* 30 SONYPI_EVENT_FNKEY_B */
212 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
213 25, /* 32 SONYPI_EVENT_PKEY_P1 */
214 26, /* 33 SONYPI_EVENT_PKEY_P2 */
215 27, /* 34 SONYPI_EVENT_PKEY_P3 */
216 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
217 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
218 -1, /* 37 SONYPI_EVENT_LID_OPENED */
219 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
220 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
221 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
222 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
223 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
224 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
225 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
226 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
227 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
228 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
229 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
230 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
231 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
232 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
233 43, /* 52 SONYPI_EVENT_MEYE_FACE */
234 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
235 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
236 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
237 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
238 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
239 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
240 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
241 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
242 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
243 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
244 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
245 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
246 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
247 53, /* 66 SONYPI_EVENT_PKEY_P4 */
248 54, /* 67 SONYPI_EVENT_PKEY_P5 */
249 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
250 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
251 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
252 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
253 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
254 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
255 };
256
257 static int sony_laptop_input_keycode_map[] = {
258 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
259 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
260 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
261 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
262 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
263 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
264 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
265 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
266 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
267 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
268 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
269 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
270 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
271 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
272 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
273 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
274 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
275 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
276 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
277 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
278 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
279 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
280 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
281 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
282 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
283 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
284 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
285 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
286 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
287 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
288 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
289 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
290 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
291 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
292 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
293 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
294 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
295 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
296 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
297 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
298 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
299 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
300 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
301 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
302 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
303 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
304 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
305 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
306 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
307 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
308 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
309 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
310 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
311 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
312 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
313 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
314 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
315 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
316 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
317 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
318 };
319
320 /* release buttons after a short delay if pressed */
321 static void do_sony_laptop_release_key(unsigned long unused)
322 {
323 struct sony_laptop_keypress kp;
324 unsigned long flags;
325
326 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
327
328 if (kfifo_out(&sony_laptop_input.fifo,
329 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
330 input_report_key(kp.dev, kp.key, 0);
331 input_sync(kp.dev);
332 }
333
334 /* If there is something in the fifo schedule next release. */
335 if (kfifo_len(&sony_laptop_input.fifo) != 0)
336 mod_timer(&sony_laptop_input.release_key_timer,
337 jiffies + msecs_to_jiffies(10));
338
339 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
340 }
341
342 /* forward event to the input subsystem */
343 static void sony_laptop_report_input_event(u8 event)
344 {
345 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
346 struct input_dev *key_dev = sony_laptop_input.key_dev;
347 struct sony_laptop_keypress kp = { NULL };
348
349 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
350 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
351 /* Nothing, not all VAIOs generate this event */
352 return;
353 }
354
355 /* report events */
356 switch (event) {
357 /* jog_dev events */
358 case SONYPI_EVENT_JOGDIAL_UP:
359 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
360 input_report_rel(jog_dev, REL_WHEEL, 1);
361 input_sync(jog_dev);
362 return;
363
364 case SONYPI_EVENT_JOGDIAL_DOWN:
365 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
366 input_report_rel(jog_dev, REL_WHEEL, -1);
367 input_sync(jog_dev);
368 return;
369
370 /* key_dev events */
371 case SONYPI_EVENT_JOGDIAL_PRESSED:
372 kp.key = BTN_MIDDLE;
373 kp.dev = jog_dev;
374 break;
375
376 default:
377 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
378 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
379 break;
380 }
381 if (sony_laptop_input_index[event] != -1) {
382 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
383 if (kp.key != KEY_UNKNOWN)
384 kp.dev = key_dev;
385 }
386 break;
387 }
388
389 if (kp.dev) {
390 input_report_key(kp.dev, kp.key, 1);
391 /* we emit the scancode so we can always remap the key */
392 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
393 input_sync(kp.dev);
394
395 /* schedule key release */
396 kfifo_in_locked(&sony_laptop_input.fifo,
397 (unsigned char *)&kp, sizeof(kp),
398 &sony_laptop_input.fifo_lock);
399 mod_timer(&sony_laptop_input.release_key_timer,
400 jiffies + msecs_to_jiffies(10));
401 } else
402 dprintk("unknown input event %.2x\n", event);
403 }
404
405 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
406 {
407 struct input_dev *jog_dev;
408 struct input_dev *key_dev;
409 int i;
410 int error;
411
412 /* don't run again if already initialized */
413 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
414 return 0;
415
416 /* kfifo */
417 spin_lock_init(&sony_laptop_input.fifo_lock);
418 error = kfifo_alloc(&sony_laptop_input.fifo,
419 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
420 if (error) {
421 pr_err(DRV_PFX "kfifo_alloc failed\n");
422 goto err_dec_users;
423 }
424
425 setup_timer(&sony_laptop_input.release_key_timer,
426 do_sony_laptop_release_key, 0);
427
428 /* input keys */
429 key_dev = input_allocate_device();
430 if (!key_dev) {
431 error = -ENOMEM;
432 goto err_free_kfifo;
433 }
434
435 key_dev->name = "Sony Vaio Keys";
436 key_dev->id.bustype = BUS_ISA;
437 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
438 key_dev->dev.parent = &acpi_device->dev;
439
440 /* Initialize the Input Drivers: special keys */
441 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
442
443 __set_bit(EV_KEY, key_dev->evbit);
444 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
445 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
446 key_dev->keycode = &sony_laptop_input_keycode_map;
447 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
448 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
449 __clear_bit(KEY_RESERVED, key_dev->keybit);
450
451 error = input_register_device(key_dev);
452 if (error)
453 goto err_free_keydev;
454
455 sony_laptop_input.key_dev = key_dev;
456
457 /* jogdial */
458 jog_dev = input_allocate_device();
459 if (!jog_dev) {
460 error = -ENOMEM;
461 goto err_unregister_keydev;
462 }
463
464 jog_dev->name = "Sony Vaio Jogdial";
465 jog_dev->id.bustype = BUS_ISA;
466 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
467 key_dev->dev.parent = &acpi_device->dev;
468
469 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
470 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
471
472 error = input_register_device(jog_dev);
473 if (error)
474 goto err_free_jogdev;
475
476 sony_laptop_input.jog_dev = jog_dev;
477
478 return 0;
479
480 err_free_jogdev:
481 input_free_device(jog_dev);
482
483 err_unregister_keydev:
484 input_unregister_device(key_dev);
485 /* to avoid kref underflow below at input_free_device */
486 key_dev = NULL;
487
488 err_free_keydev:
489 input_free_device(key_dev);
490
491 err_free_kfifo:
492 kfifo_free(&sony_laptop_input.fifo);
493
494 err_dec_users:
495 atomic_dec(&sony_laptop_input.users);
496 return error;
497 }
498
499 static void sony_laptop_remove_input(void)
500 {
501 struct sony_laptop_keypress kp = { NULL };
502
503 /* Cleanup only after the last user has gone */
504 if (!atomic_dec_and_test(&sony_laptop_input.users))
505 return;
506
507 del_timer_sync(&sony_laptop_input.release_key_timer);
508
509 /*
510 * Generate key-up events for remaining keys. Note that we don't
511 * need locking since nobody is adding new events to the kfifo.
512 */
513 while (kfifo_out(&sony_laptop_input.fifo,
514 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
515 input_report_key(kp.dev, kp.key, 0);
516 input_sync(kp.dev);
517 }
518
519 /* destroy input devs */
520 input_unregister_device(sony_laptop_input.key_dev);
521 sony_laptop_input.key_dev = NULL;
522
523 if (sony_laptop_input.jog_dev) {
524 input_unregister_device(sony_laptop_input.jog_dev);
525 sony_laptop_input.jog_dev = NULL;
526 }
527
528 kfifo_free(&sony_laptop_input.fifo);
529 }
530
531 /*********** Platform Device ***********/
532
533 static atomic_t sony_pf_users = ATOMIC_INIT(0);
534 static struct platform_driver sony_pf_driver = {
535 .driver = {
536 .name = "sony-laptop",
537 .owner = THIS_MODULE,
538 }
539 };
540 static struct platform_device *sony_pf_device;
541
542 static int sony_pf_add(void)
543 {
544 int ret = 0;
545
546 /* don't run again if already initialized */
547 if (atomic_add_return(1, &sony_pf_users) > 1)
548 return 0;
549
550 ret = platform_driver_register(&sony_pf_driver);
551 if (ret)
552 goto out;
553
554 sony_pf_device = platform_device_alloc("sony-laptop", -1);
555 if (!sony_pf_device) {
556 ret = -ENOMEM;
557 goto out_platform_registered;
558 }
559
560 ret = platform_device_add(sony_pf_device);
561 if (ret)
562 goto out_platform_alloced;
563
564 return 0;
565
566 out_platform_alloced:
567 platform_device_put(sony_pf_device);
568 sony_pf_device = NULL;
569 out_platform_registered:
570 platform_driver_unregister(&sony_pf_driver);
571 out:
572 atomic_dec(&sony_pf_users);
573 return ret;
574 }
575
576 static void sony_pf_remove(void)
577 {
578 /* deregister only after the last user has gone */
579 if (!atomic_dec_and_test(&sony_pf_users))
580 return;
581
582 platform_device_unregister(sony_pf_device);
583 platform_driver_unregister(&sony_pf_driver);
584 }
585
586 /*********** SNC (SNY5001) Device ***********/
587
588 /* the device uses 1-based values, while the backlight subsystem uses
589 0-based values */
590 #define SONY_MAX_BRIGHTNESS 8
591
592 #define SNC_VALIDATE_IN 0
593 #define SNC_VALIDATE_OUT 1
594
595 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
596 char *);
597 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
598 const char *, size_t);
599 static int boolean_validate(const int, const int);
600 static int brightness_default_validate(const int, const int);
601
602 struct sony_nc_value {
603 char *name; /* name of the entry */
604 char **acpiget; /* names of the ACPI get function */
605 char **acpiset; /* names of the ACPI set function */
606 int (*validate)(const int, const int); /* input/output validation */
607 int value; /* current setting */
608 int valid; /* Has ever been set */
609 int debug; /* active only in debug mode ? */
610 struct device_attribute devattr; /* sysfs attribute */
611 };
612
613 #define SNC_HANDLE_NAMES(_name, _values...) \
614 static char *snc_##_name[] = { _values, NULL }
615
616 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
617 { \
618 .name = __stringify(_name), \
619 .acpiget = _getters, \
620 .acpiset = _setters, \
621 .validate = _validate, \
622 .debug = _debug, \
623 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
624 }
625
626 #define SNC_HANDLE_NULL { .name = NULL }
627
628 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
629
630 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
631 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
632
633 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
634 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
635
636 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
637 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
638
639 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
640 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
641
642 SNC_HANDLE_NAMES(lidstate_get, "GLID");
643
644 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
645 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
646
647 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
648 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
649
650 SNC_HANDLE_NAMES(PID_get, "GPID");
651
652 SNC_HANDLE_NAMES(CTR_get, "GCTR");
653 SNC_HANDLE_NAMES(CTR_set, "SCTR");
654
655 SNC_HANDLE_NAMES(PCR_get, "GPCR");
656 SNC_HANDLE_NAMES(PCR_set, "SPCR");
657
658 SNC_HANDLE_NAMES(CMI_get, "GCMI");
659 SNC_HANDLE_NAMES(CMI_set, "SCMI");
660
661 static struct sony_nc_value sony_nc_values[] = {
662 SNC_HANDLE(brightness_default, snc_brightness_def_get,
663 snc_brightness_def_set, brightness_default_validate, 0),
664 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
665 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
666 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
667 boolean_validate, 0),
668 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
669 boolean_validate, 1),
670 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
671 boolean_validate, 0),
672 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
673 boolean_validate, 0),
674 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
675 boolean_validate, 0),
676 /* unknown methods */
677 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
678 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
679 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
680 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
681 SNC_HANDLE_NULL
682 };
683
684 static acpi_handle sony_nc_acpi_handle;
685 static struct acpi_device *sony_nc_acpi_device = NULL;
686
687 /*
688 * acpi_evaluate_object wrappers
689 */
690 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
691 {
692 struct acpi_buffer output;
693 union acpi_object out_obj;
694 acpi_status status;
695
696 output.length = sizeof(out_obj);
697 output.pointer = &out_obj;
698
699 status = acpi_evaluate_object(handle, name, NULL, &output);
700 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
701 *result = out_obj.integer.value;
702 return 0;
703 }
704
705 pr_warn(DRV_PFX "acpi_callreadfunc failed\n");
706
707 return -1;
708 }
709
710 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
711 int *result)
712 {
713 struct acpi_object_list params;
714 union acpi_object in_obj;
715 struct acpi_buffer output;
716 union acpi_object out_obj;
717 acpi_status status;
718
719 params.count = 1;
720 params.pointer = &in_obj;
721 in_obj.type = ACPI_TYPE_INTEGER;
722 in_obj.integer.value = value;
723
724 output.length = sizeof(out_obj);
725 output.pointer = &out_obj;
726
727 status = acpi_evaluate_object(handle, name, &params, &output);
728 if (status == AE_OK) {
729 if (result != NULL) {
730 if (out_obj.type != ACPI_TYPE_INTEGER) {
731 pr_warn(DRV_PFX "acpi_evaluate_object bad "
732 "return type\n");
733 return -1;
734 }
735 *result = out_obj.integer.value;
736 }
737 return 0;
738 }
739
740 pr_warn(DRV_PFX "acpi_evaluate_object failed\n");
741
742 return -1;
743 }
744
745 struct sony_nc_handles {
746 u16 cap[0x10];
747 struct device_attribute devattr;
748 };
749
750 static struct sony_nc_handles *handles;
751
752 static ssize_t sony_nc_handles_show(struct device *dev,
753 struct device_attribute *attr, char *buffer)
754 {
755 ssize_t len = 0;
756 int i;
757
758 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
759 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
760 handles->cap[i]);
761 }
762 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
763
764 return len;
765 }
766
767 static int sony_nc_handles_setup(struct platform_device *pd)
768 {
769 int i;
770 int result;
771
772 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
773 if (!handles)
774 return -ENOMEM;
775
776 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
777 if (!acpi_callsetfunc(sony_nc_acpi_handle,
778 "SN00", i + 0x20, &result)) {
779 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
780 result, i);
781 handles->cap[i] = result;
782 }
783 }
784
785 if (debug) {
786 sysfs_attr_init(&handles->devattr.attr);
787 handles->devattr.attr.name = "handles";
788 handles->devattr.attr.mode = S_IRUGO;
789 handles->devattr.show = sony_nc_handles_show;
790
791 /* allow reading capabilities via sysfs */
792 if (device_create_file(&pd->dev, &handles->devattr)) {
793 kfree(handles);
794 handles = NULL;
795 return -1;
796 }
797 }
798
799 return 0;
800 }
801
802 static int sony_nc_handles_cleanup(struct platform_device *pd)
803 {
804 if (handles) {
805 if (debug)
806 device_remove_file(&pd->dev, &handles->devattr);
807 kfree(handles);
808 handles = NULL;
809 }
810 return 0;
811 }
812
813 static int sony_find_snc_handle(int handle)
814 {
815 int i;
816
817 /* not initialized yet, return early */
818 if (!handles)
819 return -1;
820
821 for (i = 0; i < 0x10; i++) {
822 if (handles->cap[i] == handle) {
823 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
824 handle, i);
825 return i;
826 }
827 }
828 dprintk("handle 0x%.4x not found\n", handle);
829 return -1;
830 }
831
832 static int sony_call_snc_handle(int handle, int argument, int *result)
833 {
834 int ret = 0;
835 int offset = sony_find_snc_handle(handle);
836
837 if (offset < 0)
838 return -1;
839
840 ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
841 result);
842 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
843 *result);
844 return ret;
845 }
846
847 /*
848 * sony_nc_values input/output validate functions
849 */
850
851 /* brightness_default_validate:
852 *
853 * manipulate input output values to keep consistency with the
854 * backlight framework for which brightness values are 0-based.
855 */
856 static int brightness_default_validate(const int direction, const int value)
857 {
858 switch (direction) {
859 case SNC_VALIDATE_OUT:
860 return value - 1;
861 case SNC_VALIDATE_IN:
862 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
863 return value + 1;
864 }
865 return -EINVAL;
866 }
867
868 /* boolean_validate:
869 *
870 * on input validate boolean values 0/1, on output just pass the
871 * received value.
872 */
873 static int boolean_validate(const int direction, const int value)
874 {
875 if (direction == SNC_VALIDATE_IN) {
876 if (value != 0 && value != 1)
877 return -EINVAL;
878 }
879 return value;
880 }
881
882 /*
883 * Sysfs show/store common to all sony_nc_values
884 */
885 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
886 char *buffer)
887 {
888 int value;
889 struct sony_nc_value *item =
890 container_of(attr, struct sony_nc_value, devattr);
891
892 if (!*item->acpiget)
893 return -EIO;
894
895 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
896 return -EIO;
897
898 if (item->validate)
899 value = item->validate(SNC_VALIDATE_OUT, value);
900
901 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
902 }
903
904 static ssize_t sony_nc_sysfs_store(struct device *dev,
905 struct device_attribute *attr,
906 const char *buffer, size_t count)
907 {
908 int value;
909 struct sony_nc_value *item =
910 container_of(attr, struct sony_nc_value, devattr);
911
912 if (!item->acpiset)
913 return -EIO;
914
915 if (count > 31)
916 return -EINVAL;
917
918 value = simple_strtoul(buffer, NULL, 10);
919
920 if (item->validate)
921 value = item->validate(SNC_VALIDATE_IN, value);
922
923 if (value < 0)
924 return value;
925
926 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
927 return -EIO;
928 item->value = value;
929 item->valid = 1;
930 return count;
931 }
932
933
934 /*
935 * Backlight device
936 */
937 static int sony_backlight_update_status(struct backlight_device *bd)
938 {
939 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
940 bd->props.brightness + 1, NULL);
941 }
942
943 static int sony_backlight_get_brightness(struct backlight_device *bd)
944 {
945 int value;
946
947 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
948 return 0;
949 /* brightness levels are 1-based, while backlight ones are 0-based */
950 return value - 1;
951 }
952
953 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
954 {
955 int result;
956 int *handle = (int *)bl_get_data(bd);
957
958 sony_call_snc_handle(*handle, 0x0200, &result);
959
960 return result & 0xff;
961 }
962
963 static int sony_nc_update_status_ng(struct backlight_device *bd)
964 {
965 int value, result;
966 int *handle = (int *)bl_get_data(bd);
967
968 value = bd->props.brightness;
969 sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result);
970
971 return sony_nc_get_brightness_ng(bd);
972 }
973
974 static const struct backlight_ops sony_backlight_ops = {
975 .options = BL_CORE_SUSPENDRESUME,
976 .update_status = sony_backlight_update_status,
977 .get_brightness = sony_backlight_get_brightness,
978 };
979 static const struct backlight_ops sony_backlight_ng_ops = {
980 .options = BL_CORE_SUSPENDRESUME,
981 .update_status = sony_nc_update_status_ng,
982 .get_brightness = sony_nc_get_brightness_ng,
983 };
984 static int backlight_ng_handle;
985 static struct backlight_device *sony_backlight_device;
986
987 /*
988 * New SNC-only Vaios event mapping to driver known keys
989 */
990 struct sony_nc_event {
991 u8 data;
992 u8 event;
993 };
994
995 static struct sony_nc_event sony_100_events[] = {
996 { 0x90, SONYPI_EVENT_PKEY_P1 },
997 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
998 { 0x91, SONYPI_EVENT_PKEY_P2 },
999 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1000 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1001 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1002 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1003 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1004 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1005 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1006 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1007 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1008 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1009 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1010 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1011 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1012 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1013 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1014 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1015 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1016 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1017 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1018 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1019 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1020 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1021 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1022 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1023 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1024 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1025 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1026 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1027 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1028 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1029 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1030 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1031 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1032 { 0, 0 },
1033 };
1034
1035 static struct sony_nc_event sony_127_events[] = {
1036 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1037 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1038 { 0x82, SONYPI_EVENT_PKEY_P1 },
1039 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1040 { 0x83, SONYPI_EVENT_PKEY_P2 },
1041 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1042 { 0x84, SONYPI_EVENT_PKEY_P3 },
1043 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1044 { 0x85, SONYPI_EVENT_PKEY_P4 },
1045 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1046 { 0x86, SONYPI_EVENT_PKEY_P5 },
1047 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1048 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1049 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1050 { 0, 0 },
1051 };
1052
1053 /*
1054 * ACPI callbacks
1055 */
1056 static void sony_nc_notify(struct acpi_device *device, u32 event)
1057 {
1058 u32 ev = event;
1059
1060 if (ev >= 0x90) {
1061 /* New-style event */
1062 int result;
1063 int key_handle = 0;
1064 ev -= 0x90;
1065
1066 if (sony_find_snc_handle(0x100) == ev)
1067 key_handle = 0x100;
1068 if (sony_find_snc_handle(0x127) == ev)
1069 key_handle = 0x127;
1070
1071 if (key_handle) {
1072 struct sony_nc_event *key_event;
1073
1074 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1075 dprintk("sony_nc_notify, unable to decode"
1076 " event 0x%.2x 0x%.2x\n", key_handle,
1077 ev);
1078 /* restore the original event */
1079 ev = event;
1080 } else {
1081 ev = result & 0xFF;
1082
1083 if (key_handle == 0x100)
1084 key_event = sony_100_events;
1085 else
1086 key_event = sony_127_events;
1087
1088 for (; key_event->data; key_event++) {
1089 if (key_event->data == ev) {
1090 ev = key_event->event;
1091 break;
1092 }
1093 }
1094
1095 if (!key_event->data)
1096 pr_info(DRV_PFX
1097 "Unknown event: 0x%x 0x%x\n",
1098 key_handle,
1099 ev);
1100 else
1101 sony_laptop_report_input_event(ev);
1102 }
1103 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1104 sony_nc_rfkill_update();
1105 return;
1106 }
1107 } else
1108 sony_laptop_report_input_event(ev);
1109
1110 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1111 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1112 }
1113
1114 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1115 void *context, void **return_value)
1116 {
1117 struct acpi_device_info *info;
1118
1119 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1120 pr_warn(DRV_PFX "method: name: %4.4s, args %X\n",
1121 (char *)&info->name, info->param_count);
1122
1123 kfree(info);
1124 }
1125
1126 return AE_OK;
1127 }
1128
1129 /*
1130 * ACPI device
1131 */
1132 static int sony_nc_function_setup(struct acpi_device *device)
1133 {
1134 int result;
1135
1136 /* Enable all events */
1137 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1138
1139 /* Setup hotkeys */
1140 sony_call_snc_handle(0x0100, 0, &result);
1141 sony_call_snc_handle(0x0101, 0, &result);
1142 sony_call_snc_handle(0x0102, 0x100, &result);
1143 sony_call_snc_handle(0x0127, 0, &result);
1144
1145 return 0;
1146 }
1147
1148 static int sony_nc_resume(struct acpi_device *device)
1149 {
1150 struct sony_nc_value *item;
1151 acpi_handle handle;
1152
1153 for (item = sony_nc_values; item->name; item++) {
1154 int ret;
1155
1156 if (!item->valid)
1157 continue;
1158 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1159 item->value, NULL);
1160 if (ret < 0) {
1161 pr_err(DRV_PFX "%s: %d\n", __func__, ret);
1162 break;
1163 }
1164 }
1165
1166 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1167 &handle))) {
1168 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1169 dprintk("ECON Method failed\n");
1170 }
1171
1172 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1173 &handle))) {
1174 dprintk("Doing SNC setup\n");
1175 sony_nc_function_setup(device);
1176 }
1177
1178 /* re-read rfkill state */
1179 sony_nc_rfkill_update();
1180
1181 /* restore kbd backlight states */
1182 sony_nc_kbd_backlight_resume();
1183
1184 return 0;
1185 }
1186
1187 static void sony_nc_rfkill_cleanup(void)
1188 {
1189 int i;
1190
1191 for (i = 0; i < N_SONY_RFKILL; i++) {
1192 if (sony_rfkill_devices[i]) {
1193 rfkill_unregister(sony_rfkill_devices[i]);
1194 rfkill_destroy(sony_rfkill_devices[i]);
1195 }
1196 }
1197 }
1198
1199 static int sony_nc_rfkill_set(void *data, bool blocked)
1200 {
1201 int result;
1202 int argument = sony_rfkill_address[(long) data] + 0x100;
1203
1204 if (!blocked)
1205 argument |= 0xff0000;
1206
1207 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1208 }
1209
1210 static const struct rfkill_ops sony_rfkill_ops = {
1211 .set_block = sony_nc_rfkill_set,
1212 };
1213
1214 static int sony_nc_setup_rfkill(struct acpi_device *device,
1215 enum sony_nc_rfkill nc_type)
1216 {
1217 int err = 0;
1218 struct rfkill *rfk;
1219 enum rfkill_type type;
1220 const char *name;
1221 int result;
1222 bool hwblock;
1223
1224 switch (nc_type) {
1225 case SONY_WIFI:
1226 type = RFKILL_TYPE_WLAN;
1227 name = "sony-wifi";
1228 break;
1229 case SONY_BLUETOOTH:
1230 type = RFKILL_TYPE_BLUETOOTH;
1231 name = "sony-bluetooth";
1232 break;
1233 case SONY_WWAN:
1234 type = RFKILL_TYPE_WWAN;
1235 name = "sony-wwan";
1236 break;
1237 case SONY_WIMAX:
1238 type = RFKILL_TYPE_WIMAX;
1239 name = "sony-wimax";
1240 break;
1241 default:
1242 return -EINVAL;
1243 }
1244
1245 rfk = rfkill_alloc(name, &device->dev, type,
1246 &sony_rfkill_ops, (void *)nc_type);
1247 if (!rfk)
1248 return -ENOMEM;
1249
1250 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1251 hwblock = !(result & 0x1);
1252 rfkill_set_hw_state(rfk, hwblock);
1253
1254 err = rfkill_register(rfk);
1255 if (err) {
1256 rfkill_destroy(rfk);
1257 return err;
1258 }
1259 sony_rfkill_devices[nc_type] = rfk;
1260 return err;
1261 }
1262
1263 static void sony_nc_rfkill_update(void)
1264 {
1265 enum sony_nc_rfkill i;
1266 int result;
1267 bool hwblock;
1268
1269 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1270 hwblock = !(result & 0x1);
1271
1272 for (i = 0; i < N_SONY_RFKILL; i++) {
1273 int argument = sony_rfkill_address[i];
1274
1275 if (!sony_rfkill_devices[i])
1276 continue;
1277
1278 if (hwblock) {
1279 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1280 /* we already know we're blocked */
1281 }
1282 continue;
1283 }
1284
1285 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1286 rfkill_set_states(sony_rfkill_devices[i],
1287 !(result & 0xf), false);
1288 }
1289 }
1290
1291 static void sony_nc_rfkill_setup(struct acpi_device *device)
1292 {
1293 int offset;
1294 u8 dev_code, i;
1295 acpi_status status;
1296 struct acpi_object_list params;
1297 union acpi_object in_obj;
1298 union acpi_object *device_enum;
1299 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1300
1301 offset = sony_find_snc_handle(0x124);
1302 if (offset == -1) {
1303 offset = sony_find_snc_handle(0x135);
1304 if (offset == -1)
1305 return;
1306 else
1307 sony_rfkill_handle = 0x135;
1308 } else
1309 sony_rfkill_handle = 0x124;
1310 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1311
1312 /* need to read the whole buffer returned by the acpi call to SN06
1313 * here otherwise we may miss some features
1314 */
1315 params.count = 1;
1316 params.pointer = &in_obj;
1317 in_obj.type = ACPI_TYPE_INTEGER;
1318 in_obj.integer.value = offset;
1319 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1320 &buffer);
1321 if (ACPI_FAILURE(status)) {
1322 dprintk("Radio device enumeration failed\n");
1323 return;
1324 }
1325
1326 device_enum = (union acpi_object *) buffer.pointer;
1327 if (!device_enum) {
1328 pr_err(DRV_PFX "No SN06 return object.");
1329 goto out_no_enum;
1330 }
1331 if (device_enum->type != ACPI_TYPE_BUFFER) {
1332 pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
1333 device_enum->type);
1334 goto out_no_enum;
1335 }
1336
1337 /* the buffer is filled with magic numbers describing the devices
1338 * available, 0xff terminates the enumeration
1339 */
1340 for (i = 0; i < device_enum->buffer.length; i++) {
1341
1342 dev_code = *(device_enum->buffer.pointer + i);
1343 if (dev_code == 0xff)
1344 break;
1345
1346 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1347
1348 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1349 sony_nc_setup_rfkill(device, SONY_WIFI);
1350
1351 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1352 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1353
1354 if ((0xf0 & dev_code) == 0x20 &&
1355 !sony_rfkill_devices[SONY_WWAN])
1356 sony_nc_setup_rfkill(device, SONY_WWAN);
1357
1358 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1359 sony_nc_setup_rfkill(device, SONY_WIMAX);
1360 }
1361
1362 out_no_enum:
1363 kfree(buffer.pointer);
1364 return;
1365 }
1366
1367 /* Keyboard backlight feature */
1368 #define KBDBL_HANDLER 0x137
1369 #define KBDBL_PRESENT 0xB00
1370 #define SET_MODE 0xC00
1371 #define SET_STATE 0xD00
1372 #define SET_TIMEOUT 0xE00
1373
1374 struct kbd_backlight {
1375 int mode;
1376 int timeout;
1377 struct device_attribute mode_attr;
1378 struct device_attribute timeout_attr;
1379 };
1380
1381 static struct kbd_backlight *kbdbl_handle;
1382
1383 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1384 {
1385 int result;
1386
1387 if (value > 1)
1388 return -EINVAL;
1389
1390 if (sony_call_snc_handle(KBDBL_HANDLER,
1391 (value << 0x10) | SET_MODE, &result))
1392 return -EIO;
1393
1394 /* Try to turn the light on/off immediately */
1395 sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1396 &result);
1397
1398 kbdbl_handle->mode = value;
1399
1400 return 0;
1401 }
1402
1403 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1404 struct device_attribute *attr,
1405 const char *buffer, size_t count)
1406 {
1407 int ret = 0;
1408 unsigned long value;
1409
1410 if (count > 31)
1411 return -EINVAL;
1412
1413 if (strict_strtoul(buffer, 10, &value))
1414 return -EINVAL;
1415
1416 ret = __sony_nc_kbd_backlight_mode_set(value);
1417 if (ret < 0)
1418 return ret;
1419
1420 return count;
1421 }
1422
1423 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1424 struct device_attribute *attr, char *buffer)
1425 {
1426 ssize_t count = 0;
1427 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1428 return count;
1429 }
1430
1431 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1432 {
1433 int result;
1434
1435 if (value > 3)
1436 return -EINVAL;
1437
1438 if (sony_call_snc_handle(KBDBL_HANDLER,
1439 (value << 0x10) | SET_TIMEOUT, &result))
1440 return -EIO;
1441
1442 kbdbl_handle->timeout = value;
1443
1444 return 0;
1445 }
1446
1447 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1448 struct device_attribute *attr,
1449 const char *buffer, size_t count)
1450 {
1451 int ret = 0;
1452 unsigned long value;
1453
1454 if (count > 31)
1455 return -EINVAL;
1456
1457 if (strict_strtoul(buffer, 10, &value))
1458 return -EINVAL;
1459
1460 ret = __sony_nc_kbd_backlight_timeout_set(value);
1461 if (ret < 0)
1462 return ret;
1463
1464 return count;
1465 }
1466
1467 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1468 struct device_attribute *attr, char *buffer)
1469 {
1470 ssize_t count = 0;
1471 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1472 return count;
1473 }
1474
1475 static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1476 {
1477 int result;
1478
1479 if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1480 return 0;
1481 if (!(result & 0x02))
1482 return 0;
1483
1484 kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1485 if (!kbdbl_handle)
1486 return -ENOMEM;
1487
1488 sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1489 kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1490 kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1491 kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1492 kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1493
1494 sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1495 kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1496 kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1497 kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1498 kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1499
1500 if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1501 goto outkzalloc;
1502
1503 if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1504 goto outmode;
1505
1506 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1507 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1508
1509 return 0;
1510
1511 outmode:
1512 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1513 outkzalloc:
1514 kfree(kbdbl_handle);
1515 kbdbl_handle = NULL;
1516 return -1;
1517 }
1518
1519 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1520 {
1521 if (kbdbl_handle) {
1522 int result;
1523
1524 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1525 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1526
1527 /* restore the default hw behaviour */
1528 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1529 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1530
1531 kfree(kbdbl_handle);
1532 }
1533 return 0;
1534 }
1535
1536 static void sony_nc_kbd_backlight_resume(void)
1537 {
1538 int ignore = 0;
1539
1540 if (!kbdbl_handle)
1541 return;
1542
1543 if (kbdbl_handle->mode == 0)
1544 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1545
1546 if (kbdbl_handle->timeout != 0)
1547 sony_call_snc_handle(KBDBL_HANDLER,
1548 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1549 &ignore);
1550 }
1551
1552 static void sony_nc_backlight_setup(void)
1553 {
1554 acpi_handle unused;
1555 int max_brightness = 0;
1556 const struct backlight_ops *ops = NULL;
1557 struct backlight_properties props;
1558
1559 if (sony_find_snc_handle(0x12f) != -1) {
1560 backlight_ng_handle = 0x12f;
1561 ops = &sony_backlight_ng_ops;
1562 max_brightness = 0xff;
1563
1564 } else if (sony_find_snc_handle(0x137) != -1) {
1565 backlight_ng_handle = 0x137;
1566 ops = &sony_backlight_ng_ops;
1567 max_brightness = 0xff;
1568
1569 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1570 &unused))) {
1571 ops = &sony_backlight_ops;
1572 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1573
1574 } else
1575 return;
1576
1577 memset(&props, 0, sizeof(struct backlight_properties));
1578 props.type = BACKLIGHT_PLATFORM;
1579 props.max_brightness = max_brightness;
1580 sony_backlight_device = backlight_device_register("sony", NULL,
1581 &backlight_ng_handle,
1582 ops, &props);
1583
1584 if (IS_ERR(sony_backlight_device)) {
1585 pr_warning(DRV_PFX "unable to register backlight device\n");
1586 sony_backlight_device = NULL;
1587 } else
1588 sony_backlight_device->props.brightness =
1589 ops->get_brightness(sony_backlight_device);
1590 }
1591
1592 static void sony_nc_backlight_cleanup(void)
1593 {
1594 if (sony_backlight_device)
1595 backlight_device_unregister(sony_backlight_device);
1596 }
1597
1598 static int sony_nc_add(struct acpi_device *device)
1599 {
1600 acpi_status status;
1601 int result = 0;
1602 acpi_handle handle;
1603 struct sony_nc_value *item;
1604
1605 pr_info(DRV_PFX "%s v%s.\n", SONY_NC_DRIVER_NAME,
1606 SONY_LAPTOP_DRIVER_VERSION);
1607
1608 sony_nc_acpi_device = device;
1609 strcpy(acpi_device_class(device), "sony/hotkey");
1610
1611 sony_nc_acpi_handle = device->handle;
1612
1613 /* read device status */
1614 result = acpi_bus_get_status(device);
1615 /* bail IFF the above call was successful and the device is not present */
1616 if (!result && !device->status.present) {
1617 dprintk("Device not present\n");
1618 result = -ENODEV;
1619 goto outwalk;
1620 }
1621
1622 result = sony_pf_add();
1623 if (result)
1624 goto outpresent;
1625
1626 if (debug) {
1627 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1628 sony_nc_acpi_handle, 1, sony_walk_callback,
1629 NULL, NULL, NULL);
1630 if (ACPI_FAILURE(status)) {
1631 pr_warn(DRV_PFX "unable to walk acpi resources\n");
1632 result = -ENODEV;
1633 goto outpresent;
1634 }
1635 }
1636
1637 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1638 &handle))) {
1639 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1640 dprintk("ECON Method failed\n");
1641 }
1642
1643 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1644 &handle))) {
1645 dprintk("Doing SNC setup\n");
1646 result = sony_nc_handles_setup(sony_pf_device);
1647 if (result)
1648 goto outpresent;
1649 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1650 if (result)
1651 goto outsnc;
1652 sony_nc_function_setup(device);
1653 sony_nc_rfkill_setup(device);
1654 }
1655
1656 /* setup input devices and helper fifo */
1657 result = sony_laptop_setup_input(device);
1658 if (result) {
1659 pr_err(DRV_PFX "Unable to create input devices.\n");
1660 goto outkbdbacklight;
1661 }
1662
1663 if (acpi_video_backlight_support()) {
1664 pr_info(DRV_PFX "brightness ignored, must be "
1665 "controlled by ACPI video driver\n");
1666 } else {
1667 sony_nc_backlight_setup();
1668 }
1669
1670 /* create sony_pf sysfs attributes related to the SNC device */
1671 for (item = sony_nc_values; item->name; ++item) {
1672
1673 if (!debug && item->debug)
1674 continue;
1675
1676 /* find the available acpiget as described in the DSDT */
1677 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1678 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1679 *item->acpiget,
1680 &handle))) {
1681 dprintk("Found %s getter: %s\n",
1682 item->name, *item->acpiget);
1683 item->devattr.attr.mode |= S_IRUGO;
1684 break;
1685 }
1686 }
1687
1688 /* find the available acpiset as described in the DSDT */
1689 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1690 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1691 *item->acpiset,
1692 &handle))) {
1693 dprintk("Found %s setter: %s\n",
1694 item->name, *item->acpiset);
1695 item->devattr.attr.mode |= S_IWUSR;
1696 break;
1697 }
1698 }
1699
1700 if (item->devattr.attr.mode != 0) {
1701 result =
1702 device_create_file(&sony_pf_device->dev,
1703 &item->devattr);
1704 if (result)
1705 goto out_sysfs;
1706 }
1707 }
1708
1709 return 0;
1710
1711 out_sysfs:
1712 for (item = sony_nc_values; item->name; ++item) {
1713 device_remove_file(&sony_pf_device->dev, &item->devattr);
1714 }
1715 sony_nc_backlight_cleanup();
1716
1717 sony_laptop_remove_input();
1718
1719 outkbdbacklight:
1720 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1721
1722 outsnc:
1723 sony_nc_handles_cleanup(sony_pf_device);
1724
1725 outpresent:
1726 sony_pf_remove();
1727
1728 outwalk:
1729 sony_nc_rfkill_cleanup();
1730 return result;
1731 }
1732
1733 static int sony_nc_remove(struct acpi_device *device, int type)
1734 {
1735 struct sony_nc_value *item;
1736
1737 sony_nc_backlight_cleanup();
1738
1739 sony_nc_acpi_device = NULL;
1740
1741 for (item = sony_nc_values; item->name; ++item) {
1742 device_remove_file(&sony_pf_device->dev, &item->devattr);
1743 }
1744
1745 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1746 sony_nc_handles_cleanup(sony_pf_device);
1747 sony_pf_remove();
1748 sony_laptop_remove_input();
1749 sony_nc_rfkill_cleanup();
1750 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1751
1752 return 0;
1753 }
1754
1755 static const struct acpi_device_id sony_device_ids[] = {
1756 {SONY_NC_HID, 0},
1757 {SONY_PIC_HID, 0},
1758 {"", 0},
1759 };
1760 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1761
1762 static const struct acpi_device_id sony_nc_device_ids[] = {
1763 {SONY_NC_HID, 0},
1764 {"", 0},
1765 };
1766
1767 static struct acpi_driver sony_nc_driver = {
1768 .name = SONY_NC_DRIVER_NAME,
1769 .class = SONY_NC_CLASS,
1770 .ids = sony_nc_device_ids,
1771 .owner = THIS_MODULE,
1772 .ops = {
1773 .add = sony_nc_add,
1774 .remove = sony_nc_remove,
1775 .resume = sony_nc_resume,
1776 .notify = sony_nc_notify,
1777 },
1778 };
1779
1780 /*********** SPIC (SNY6001) Device ***********/
1781
1782 #define SONYPI_DEVICE_TYPE1 0x00000001
1783 #define SONYPI_DEVICE_TYPE2 0x00000002
1784 #define SONYPI_DEVICE_TYPE3 0x00000004
1785
1786 #define SONYPI_TYPE1_OFFSET 0x04
1787 #define SONYPI_TYPE2_OFFSET 0x12
1788 #define SONYPI_TYPE3_OFFSET 0x12
1789
1790 struct sony_pic_ioport {
1791 struct acpi_resource_io io1;
1792 struct acpi_resource_io io2;
1793 struct list_head list;
1794 };
1795
1796 struct sony_pic_irq {
1797 struct acpi_resource_irq irq;
1798 struct list_head list;
1799 };
1800
1801 struct sonypi_eventtypes {
1802 u8 data;
1803 unsigned long mask;
1804 struct sonypi_event *events;
1805 };
1806
1807 struct sony_pic_dev {
1808 struct acpi_device *acpi_dev;
1809 struct sony_pic_irq *cur_irq;
1810 struct sony_pic_ioport *cur_ioport;
1811 struct list_head interrupts;
1812 struct list_head ioports;
1813 struct mutex lock;
1814 struct sonypi_eventtypes *event_types;
1815 int (*handle_irq)(const u8, const u8);
1816 int model;
1817 u16 evport_offset;
1818 u8 camera_power;
1819 u8 bluetooth_power;
1820 u8 wwan_power;
1821 };
1822
1823 static struct sony_pic_dev spic_dev = {
1824 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1825 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1826 };
1827
1828 static int spic_drv_registered;
1829
1830 /* Event masks */
1831 #define SONYPI_JOGGER_MASK 0x00000001
1832 #define SONYPI_CAPTURE_MASK 0x00000002
1833 #define SONYPI_FNKEY_MASK 0x00000004
1834 #define SONYPI_BLUETOOTH_MASK 0x00000008
1835 #define SONYPI_PKEY_MASK 0x00000010
1836 #define SONYPI_BACK_MASK 0x00000020
1837 #define SONYPI_HELP_MASK 0x00000040
1838 #define SONYPI_LID_MASK 0x00000080
1839 #define SONYPI_ZOOM_MASK 0x00000100
1840 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1841 #define SONYPI_MEYE_MASK 0x00000400
1842 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1843 #define SONYPI_BATTERY_MASK 0x00001000
1844 #define SONYPI_WIRELESS_MASK 0x00002000
1845
1846 struct sonypi_event {
1847 u8 data;
1848 u8 event;
1849 };
1850
1851 /* The set of possible button release events */
1852 static struct sonypi_event sonypi_releaseev[] = {
1853 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1854 { 0, 0 }
1855 };
1856
1857 /* The set of possible jogger events */
1858 static struct sonypi_event sonypi_joggerev[] = {
1859 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1860 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1861 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1862 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1863 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1864 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1865 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1866 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1867 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1868 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1869 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1870 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1871 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1872 { 0, 0 }
1873 };
1874
1875 /* The set of possible capture button events */
1876 static struct sonypi_event sonypi_captureev[] = {
1877 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1878 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1879 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1880 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1881 { 0, 0 }
1882 };
1883
1884 /* The set of possible fnkeys events */
1885 static struct sonypi_event sonypi_fnkeyev[] = {
1886 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1887 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1888 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1889 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1890 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1891 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1892 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1893 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1894 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1895 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1896 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1897 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1898 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1899 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1900 { 0x21, SONYPI_EVENT_FNKEY_1 },
1901 { 0x22, SONYPI_EVENT_FNKEY_2 },
1902 { 0x31, SONYPI_EVENT_FNKEY_D },
1903 { 0x32, SONYPI_EVENT_FNKEY_E },
1904 { 0x33, SONYPI_EVENT_FNKEY_F },
1905 { 0x34, SONYPI_EVENT_FNKEY_S },
1906 { 0x35, SONYPI_EVENT_FNKEY_B },
1907 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1908 { 0, 0 }
1909 };
1910
1911 /* The set of possible program key events */
1912 static struct sonypi_event sonypi_pkeyev[] = {
1913 { 0x01, SONYPI_EVENT_PKEY_P1 },
1914 { 0x02, SONYPI_EVENT_PKEY_P2 },
1915 { 0x04, SONYPI_EVENT_PKEY_P3 },
1916 { 0x20, SONYPI_EVENT_PKEY_P1 },
1917 { 0, 0 }
1918 };
1919
1920 /* The set of possible bluetooth events */
1921 static struct sonypi_event sonypi_blueev[] = {
1922 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1923 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1924 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1925 { 0, 0 }
1926 };
1927
1928 /* The set of possible wireless events */
1929 static struct sonypi_event sonypi_wlessev[] = {
1930 { 0x59, SONYPI_EVENT_IGNORE },
1931 { 0x5a, SONYPI_EVENT_IGNORE },
1932 { 0, 0 }
1933 };
1934
1935 /* The set of possible back button events */
1936 static struct sonypi_event sonypi_backev[] = {
1937 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1938 { 0, 0 }
1939 };
1940
1941 /* The set of possible help button events */
1942 static struct sonypi_event sonypi_helpev[] = {
1943 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1944 { 0, 0 }
1945 };
1946
1947
1948 /* The set of possible lid events */
1949 static struct sonypi_event sonypi_lidev[] = {
1950 { 0x51, SONYPI_EVENT_LID_CLOSED },
1951 { 0x50, SONYPI_EVENT_LID_OPENED },
1952 { 0, 0 }
1953 };
1954
1955 /* The set of possible zoom events */
1956 static struct sonypi_event sonypi_zoomev[] = {
1957 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1958 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1959 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1960 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1961 { 0, 0 }
1962 };
1963
1964 /* The set of possible thumbphrase events */
1965 static struct sonypi_event sonypi_thumbphraseev[] = {
1966 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1967 { 0, 0 }
1968 };
1969
1970 /* The set of possible motioneye camera events */
1971 static struct sonypi_event sonypi_meyeev[] = {
1972 { 0x00, SONYPI_EVENT_MEYE_FACE },
1973 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1974 { 0, 0 }
1975 };
1976
1977 /* The set of possible memorystick events */
1978 static struct sonypi_event sonypi_memorystickev[] = {
1979 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1980 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1981 { 0, 0 }
1982 };
1983
1984 /* The set of possible battery events */
1985 static struct sonypi_event sonypi_batteryev[] = {
1986 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1987 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1988 { 0, 0 }
1989 };
1990
1991 /* The set of possible volume events */
1992 static struct sonypi_event sonypi_volumeev[] = {
1993 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1994 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1995 { 0, 0 }
1996 };
1997
1998 /* The set of possible brightness events */
1999 static struct sonypi_event sonypi_brightnessev[] = {
2000 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2001 { 0, 0 }
2002 };
2003
2004 static struct sonypi_eventtypes type1_events[] = {
2005 { 0, 0xffffffff, sonypi_releaseev },
2006 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2007 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2008 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2009 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2010 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2011 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2012 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2013 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2014 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2015 { 0 },
2016 };
2017 static struct sonypi_eventtypes type2_events[] = {
2018 { 0, 0xffffffff, sonypi_releaseev },
2019 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2020 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2021 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2022 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2023 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2024 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2025 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2026 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2027 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2028 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2029 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2030 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2031 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2032 { 0 },
2033 };
2034 static struct sonypi_eventtypes type3_events[] = {
2035 { 0, 0xffffffff, sonypi_releaseev },
2036 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2037 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2038 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2039 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2040 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2041 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2042 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2043 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2044 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2045 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
2046 { 0 },
2047 };
2048
2049 /* low level spic calls */
2050 #define ITERATIONS_LONG 10000
2051 #define ITERATIONS_SHORT 10
2052 #define wait_on_command(command, iterations) { \
2053 unsigned int n = iterations; \
2054 while (--n && (command)) \
2055 udelay(1); \
2056 if (!n) \
2057 dprintk("command failed at %s : %s (line %d)\n", \
2058 __FILE__, __func__, __LINE__); \
2059 }
2060
2061 static u8 sony_pic_call1(u8 dev)
2062 {
2063 u8 v1, v2;
2064
2065 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2066 ITERATIONS_LONG);
2067 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2068 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2069 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2070 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2071 return v2;
2072 }
2073
2074 static u8 sony_pic_call2(u8 dev, u8 fn)
2075 {
2076 u8 v1;
2077
2078 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2079 ITERATIONS_LONG);
2080 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2081 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2082 ITERATIONS_LONG);
2083 outb(fn, spic_dev.cur_ioport->io1.minimum);
2084 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2085 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2086 return v1;
2087 }
2088
2089 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2090 {
2091 u8 v1;
2092
2093 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2094 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2095 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2096 outb(fn, spic_dev.cur_ioport->io1.minimum);
2097 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2098 outb(v, spic_dev.cur_ioport->io1.minimum);
2099 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2100 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2101 dev, fn, v, v1);
2102 return v1;
2103 }
2104
2105 /*
2106 * minidrivers for SPIC models
2107 */
2108 static int type3_handle_irq(const u8 data_mask, const u8 ev)
2109 {
2110 /*
2111 * 0x31 could mean we have to take some extra action and wait for
2112 * the next irq for some Type3 models, it will generate a new
2113 * irq and we can read new data from the device:
2114 * - 0x5c and 0x5f requires 0xA0
2115 * - 0x61 requires 0xB3
2116 */
2117 if (data_mask == 0x31) {
2118 if (ev == 0x5c || ev == 0x5f)
2119 sony_pic_call1(0xA0);
2120 else if (ev == 0x61)
2121 sony_pic_call1(0xB3);
2122 return 0;
2123 }
2124 return 1;
2125 }
2126
2127 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2128 {
2129 struct pci_dev *pcidev;
2130
2131 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2132 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2133 if (pcidev) {
2134 dev->model = SONYPI_DEVICE_TYPE1;
2135 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2136 dev->event_types = type1_events;
2137 goto out;
2138 }
2139
2140 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2141 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2142 if (pcidev) {
2143 dev->model = SONYPI_DEVICE_TYPE2;
2144 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2145 dev->event_types = type2_events;
2146 goto out;
2147 }
2148
2149 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2150 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2151 if (pcidev) {
2152 dev->model = SONYPI_DEVICE_TYPE3;
2153 dev->handle_irq = type3_handle_irq;
2154 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2155 dev->event_types = type3_events;
2156 goto out;
2157 }
2158
2159 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2160 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2161 if (pcidev) {
2162 dev->model = SONYPI_DEVICE_TYPE3;
2163 dev->handle_irq = type3_handle_irq;
2164 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2165 dev->event_types = type3_events;
2166 goto out;
2167 }
2168
2169 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2170 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2171 if (pcidev) {
2172 dev->model = SONYPI_DEVICE_TYPE3;
2173 dev->handle_irq = type3_handle_irq;
2174 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2175 dev->event_types = type3_events;
2176 goto out;
2177 }
2178
2179 /* default */
2180 dev->model = SONYPI_DEVICE_TYPE2;
2181 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2182 dev->event_types = type2_events;
2183
2184 out:
2185 if (pcidev)
2186 pci_dev_put(pcidev);
2187
2188 pr_info(DRV_PFX "detected Type%d model\n",
2189 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2190 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2191 }
2192
2193 /* camera tests and poweron/poweroff */
2194 #define SONYPI_CAMERA_PICTURE 5
2195 #define SONYPI_CAMERA_CONTROL 0x10
2196
2197 #define SONYPI_CAMERA_BRIGHTNESS 0
2198 #define SONYPI_CAMERA_CONTRAST 1
2199 #define SONYPI_CAMERA_HUE 2
2200 #define SONYPI_CAMERA_COLOR 3
2201 #define SONYPI_CAMERA_SHARPNESS 4
2202
2203 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
2204 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
2205 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
2206 #define SONYPI_CAMERA_MUTE_MASK 0x40
2207
2208 /* the rest don't need a loop until not 0xff */
2209 #define SONYPI_CAMERA_AGC 6
2210 #define SONYPI_CAMERA_AGC_MASK 0x30
2211 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
2212
2213 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
2214 #define SONYPI_CAMERA_CONTROL 0x10
2215
2216 #define SONYPI_CAMERA_STATUS 7
2217 #define SONYPI_CAMERA_STATUS_READY 0x2
2218 #define SONYPI_CAMERA_STATUS_POSITION 0x4
2219
2220 #define SONYPI_DIRECTION_BACKWARDS 0x4
2221
2222 #define SONYPI_CAMERA_REVISION 8
2223 #define SONYPI_CAMERA_ROMVERSION 9
2224
2225 static int __sony_pic_camera_ready(void)
2226 {
2227 u8 v;
2228
2229 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2230 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2231 }
2232
2233 static int __sony_pic_camera_off(void)
2234 {
2235 if (!camera) {
2236 pr_warn(DRV_PFX "camera control not enabled\n");
2237 return -ENODEV;
2238 }
2239
2240 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2241 SONYPI_CAMERA_MUTE_MASK),
2242 ITERATIONS_SHORT);
2243
2244 if (spic_dev.camera_power) {
2245 sony_pic_call2(0x91, 0);
2246 spic_dev.camera_power = 0;
2247 }
2248 return 0;
2249 }
2250
2251 static int __sony_pic_camera_on(void)
2252 {
2253 int i, j, x;
2254
2255 if (!camera) {
2256 pr_warn(DRV_PFX "camera control not enabled\n");
2257 return -ENODEV;
2258 }
2259
2260 if (spic_dev.camera_power)
2261 return 0;
2262
2263 for (j = 5; j > 0; j--) {
2264
2265 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2266 msleep(10);
2267 sony_pic_call1(0x93);
2268
2269 for (i = 400; i > 0; i--) {
2270 if (__sony_pic_camera_ready())
2271 break;
2272 msleep(10);
2273 }
2274 if (i)
2275 break;
2276 }
2277
2278 if (j == 0) {
2279 pr_warn(DRV_PFX "failed to power on camera\n");
2280 return -ENODEV;
2281 }
2282
2283 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2284 0x5a),
2285 ITERATIONS_SHORT);
2286
2287 spic_dev.camera_power = 1;
2288 return 0;
2289 }
2290
2291 /* External camera command (exported to the motion eye v4l driver) */
2292 int sony_pic_camera_command(int command, u8 value)
2293 {
2294 if (!camera)
2295 return -EIO;
2296
2297 mutex_lock(&spic_dev.lock);
2298
2299 switch (command) {
2300 case SONY_PIC_COMMAND_SETCAMERA:
2301 if (value)
2302 __sony_pic_camera_on();
2303 else
2304 __sony_pic_camera_off();
2305 break;
2306 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2307 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2308 ITERATIONS_SHORT);
2309 break;
2310 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2311 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2312 ITERATIONS_SHORT);
2313 break;
2314 case SONY_PIC_COMMAND_SETCAMERAHUE:
2315 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2316 ITERATIONS_SHORT);
2317 break;
2318 case SONY_PIC_COMMAND_SETCAMERACOLOR:
2319 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2320 ITERATIONS_SHORT);
2321 break;
2322 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2323 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2324 ITERATIONS_SHORT);
2325 break;
2326 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2327 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2328 ITERATIONS_SHORT);
2329 break;
2330 case SONY_PIC_COMMAND_SETCAMERAAGC:
2331 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2332 ITERATIONS_SHORT);
2333 break;
2334 default:
2335 pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n",
2336 command);
2337 break;
2338 }
2339 mutex_unlock(&spic_dev.lock);
2340 return 0;
2341 }
2342 EXPORT_SYMBOL(sony_pic_camera_command);
2343
2344 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2345 static void __sony_pic_set_wwanpower(u8 state)
2346 {
2347 state = !!state;
2348 if (spic_dev.wwan_power == state)
2349 return;
2350 sony_pic_call2(0xB0, state);
2351 sony_pic_call1(0x82);
2352 spic_dev.wwan_power = state;
2353 }
2354
2355 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2356 struct device_attribute *attr,
2357 const char *buffer, size_t count)
2358 {
2359 unsigned long value;
2360 if (count > 31)
2361 return -EINVAL;
2362
2363 value = simple_strtoul(buffer, NULL, 10);
2364 mutex_lock(&spic_dev.lock);
2365 __sony_pic_set_wwanpower(value);
2366 mutex_unlock(&spic_dev.lock);
2367
2368 return count;
2369 }
2370
2371 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2372 struct device_attribute *attr, char *buffer)
2373 {
2374 ssize_t count;
2375 mutex_lock(&spic_dev.lock);
2376 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2377 mutex_unlock(&spic_dev.lock);
2378 return count;
2379 }
2380
2381 /* bluetooth subsystem power state */
2382 static void __sony_pic_set_bluetoothpower(u8 state)
2383 {
2384 state = !!state;
2385 if (spic_dev.bluetooth_power == state)
2386 return;
2387 sony_pic_call2(0x96, state);
2388 sony_pic_call1(0x82);
2389 spic_dev.bluetooth_power = state;
2390 }
2391
2392 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2393 struct device_attribute *attr,
2394 const char *buffer, size_t count)
2395 {
2396 unsigned long value;
2397 if (count > 31)
2398 return -EINVAL;
2399
2400 value = simple_strtoul(buffer, NULL, 10);
2401 mutex_lock(&spic_dev.lock);
2402 __sony_pic_set_bluetoothpower(value);
2403 mutex_unlock(&spic_dev.lock);
2404
2405 return count;
2406 }
2407
2408 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2409 struct device_attribute *attr, char *buffer)
2410 {
2411 ssize_t count = 0;
2412 mutex_lock(&spic_dev.lock);
2413 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2414 mutex_unlock(&spic_dev.lock);
2415 return count;
2416 }
2417
2418 /* fan speed */
2419 /* FAN0 information (reverse engineered from ACPI tables) */
2420 #define SONY_PIC_FAN0_STATUS 0x93
2421 static int sony_pic_set_fanspeed(unsigned long value)
2422 {
2423 return ec_write(SONY_PIC_FAN0_STATUS, value);
2424 }
2425
2426 static int sony_pic_get_fanspeed(u8 *value)
2427 {
2428 return ec_read(SONY_PIC_FAN0_STATUS, value);
2429 }
2430
2431 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2432 struct device_attribute *attr,
2433 const char *buffer, size_t count)
2434 {
2435 unsigned long value;
2436 if (count > 31)
2437 return -EINVAL;
2438
2439 value = simple_strtoul(buffer, NULL, 10);
2440 if (sony_pic_set_fanspeed(value))
2441 return -EIO;
2442
2443 return count;
2444 }
2445
2446 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2447 struct device_attribute *attr, char *buffer)
2448 {
2449 u8 value = 0;
2450 if (sony_pic_get_fanspeed(&value))
2451 return -EIO;
2452
2453 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2454 }
2455
2456 #define SPIC_ATTR(_name, _mode) \
2457 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2458 _mode, sony_pic_## _name ##_show, \
2459 sony_pic_## _name ##_store)
2460
2461 static SPIC_ATTR(bluetoothpower, 0644);
2462 static SPIC_ATTR(wwanpower, 0644);
2463 static SPIC_ATTR(fanspeed, 0644);
2464
2465 static struct attribute *spic_attributes[] = {
2466 &spic_attr_bluetoothpower.attr,
2467 &spic_attr_wwanpower.attr,
2468 &spic_attr_fanspeed.attr,
2469 NULL
2470 };
2471
2472 static struct attribute_group spic_attribute_group = {
2473 .attrs = spic_attributes
2474 };
2475
2476 /******** SONYPI compatibility **********/
2477 #ifdef CONFIG_SONYPI_COMPAT
2478
2479 /* battery / brightness / temperature addresses */
2480 #define SONYPI_BAT_FLAGS 0x81
2481 #define SONYPI_LCD_LIGHT 0x96
2482 #define SONYPI_BAT1_PCTRM 0xa0
2483 #define SONYPI_BAT1_LEFT 0xa2
2484 #define SONYPI_BAT1_MAXRT 0xa4
2485 #define SONYPI_BAT2_PCTRM 0xa8
2486 #define SONYPI_BAT2_LEFT 0xaa
2487 #define SONYPI_BAT2_MAXRT 0xac
2488 #define SONYPI_BAT1_MAXTK 0xb0
2489 #define SONYPI_BAT1_FULL 0xb2
2490 #define SONYPI_BAT2_MAXTK 0xb8
2491 #define SONYPI_BAT2_FULL 0xba
2492 #define SONYPI_TEMP_STATUS 0xC1
2493
2494 struct sonypi_compat_s {
2495 struct fasync_struct *fifo_async;
2496 struct kfifo fifo;
2497 spinlock_t fifo_lock;
2498 wait_queue_head_t fifo_proc_list;
2499 atomic_t open_count;
2500 };
2501 static struct sonypi_compat_s sonypi_compat = {
2502 .open_count = ATOMIC_INIT(0),
2503 };
2504
2505 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2506 {
2507 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2508 }
2509
2510 static int sonypi_misc_release(struct inode *inode, struct file *file)
2511 {
2512 atomic_dec(&sonypi_compat.open_count);
2513 return 0;
2514 }
2515
2516 static int sonypi_misc_open(struct inode *inode, struct file *file)
2517 {
2518 /* Flush input queue on first open */
2519 unsigned long flags;
2520
2521 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2522
2523 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2524 kfifo_reset(&sonypi_compat.fifo);
2525
2526 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2527
2528 return 0;
2529 }
2530
2531 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2532 size_t count, loff_t *pos)
2533 {
2534 ssize_t ret;
2535 unsigned char c;
2536
2537 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2538 (file->f_flags & O_NONBLOCK))
2539 return -EAGAIN;
2540
2541 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2542 kfifo_len(&sonypi_compat.fifo) != 0);
2543 if (ret)
2544 return ret;
2545
2546 while (ret < count &&
2547 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2548 &sonypi_compat.fifo_lock) == sizeof(c))) {
2549 if (put_user(c, buf++))
2550 return -EFAULT;
2551 ret++;
2552 }
2553
2554 if (ret > 0) {
2555 struct inode *inode = file->f_path.dentry->d_inode;
2556 inode->i_atime = current_fs_time(inode->i_sb);
2557 }
2558
2559 return ret;
2560 }
2561
2562 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2563 {
2564 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2565 if (kfifo_len(&sonypi_compat.fifo))
2566 return POLLIN | POLLRDNORM;
2567 return 0;
2568 }
2569
2570 static int ec_read16(u8 addr, u16 *value)
2571 {
2572 u8 val_lb, val_hb;
2573 if (ec_read(addr, &val_lb))
2574 return -1;
2575 if (ec_read(addr + 1, &val_hb))
2576 return -1;
2577 *value = val_lb | (val_hb << 8);
2578 return 0;
2579 }
2580
2581 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2582 unsigned long arg)
2583 {
2584 int ret = 0;
2585 void __user *argp = (void __user *)arg;
2586 u8 val8;
2587 u16 val16;
2588 int value;
2589
2590 mutex_lock(&spic_dev.lock);
2591 switch (cmd) {
2592 case SONYPI_IOCGBRT:
2593 if (sony_backlight_device == NULL) {
2594 ret = -EIO;
2595 break;
2596 }
2597 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2598 ret = -EIO;
2599 break;
2600 }
2601 val8 = ((value & 0xff) - 1) << 5;
2602 if (copy_to_user(argp, &val8, sizeof(val8)))
2603 ret = -EFAULT;
2604 break;
2605 case SONYPI_IOCSBRT:
2606 if (sony_backlight_device == NULL) {
2607 ret = -EIO;
2608 break;
2609 }
2610 if (copy_from_user(&val8, argp, sizeof(val8))) {
2611 ret = -EFAULT;
2612 break;
2613 }
2614 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2615 (val8 >> 5) + 1, NULL)) {
2616 ret = -EIO;
2617 break;
2618 }
2619 /* sync the backlight device status */
2620 sony_backlight_device->props.brightness =
2621 sony_backlight_get_brightness(sony_backlight_device);
2622 break;
2623 case SONYPI_IOCGBAT1CAP:
2624 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2625 ret = -EIO;
2626 break;
2627 }
2628 if (copy_to_user(argp, &val16, sizeof(val16)))
2629 ret = -EFAULT;
2630 break;
2631 case SONYPI_IOCGBAT1REM:
2632 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2633 ret = -EIO;
2634 break;
2635 }
2636 if (copy_to_user(argp, &val16, sizeof(val16)))
2637 ret = -EFAULT;
2638 break;
2639 case SONYPI_IOCGBAT2CAP:
2640 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2641 ret = -EIO;
2642 break;
2643 }
2644 if (copy_to_user(argp, &val16, sizeof(val16)))
2645 ret = -EFAULT;
2646 break;
2647 case SONYPI_IOCGBAT2REM:
2648 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2649 ret = -EIO;
2650 break;
2651 }
2652 if (copy_to_user(argp, &val16, sizeof(val16)))
2653 ret = -EFAULT;
2654 break;
2655 case SONYPI_IOCGBATFLAGS:
2656 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2657 ret = -EIO;
2658 break;
2659 }
2660 val8 &= 0x07;
2661 if (copy_to_user(argp, &val8, sizeof(val8)))
2662 ret = -EFAULT;
2663 break;
2664 case SONYPI_IOCGBLUE:
2665 val8 = spic_dev.bluetooth_power;
2666 if (copy_to_user(argp, &val8, sizeof(val8)))
2667 ret = -EFAULT;
2668 break;
2669 case SONYPI_IOCSBLUE:
2670 if (copy_from_user(&val8, argp, sizeof(val8))) {
2671 ret = -EFAULT;
2672 break;
2673 }
2674 __sony_pic_set_bluetoothpower(val8);
2675 break;
2676 /* FAN Controls */
2677 case SONYPI_IOCGFAN:
2678 if (sony_pic_get_fanspeed(&val8)) {
2679 ret = -EIO;
2680 break;
2681 }
2682 if (copy_to_user(argp, &val8, sizeof(val8)))
2683 ret = -EFAULT;
2684 break;
2685 case SONYPI_IOCSFAN:
2686 if (copy_from_user(&val8, argp, sizeof(val8))) {
2687 ret = -EFAULT;
2688 break;
2689 }
2690 if (sony_pic_set_fanspeed(val8))
2691 ret = -EIO;
2692 break;
2693 /* GET Temperature (useful under APM) */
2694 case SONYPI_IOCGTEMP:
2695 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2696 ret = -EIO;
2697 break;
2698 }
2699 if (copy_to_user(argp, &val8, sizeof(val8)))
2700 ret = -EFAULT;
2701 break;
2702 default:
2703 ret = -EINVAL;
2704 }
2705 mutex_unlock(&spic_dev.lock);
2706 return ret;
2707 }
2708
2709 static const struct file_operations sonypi_misc_fops = {
2710 .owner = THIS_MODULE,
2711 .read = sonypi_misc_read,
2712 .poll = sonypi_misc_poll,
2713 .open = sonypi_misc_open,
2714 .release = sonypi_misc_release,
2715 .fasync = sonypi_misc_fasync,
2716 .unlocked_ioctl = sonypi_misc_ioctl,
2717 .llseek = noop_llseek,
2718 };
2719
2720 static struct miscdevice sonypi_misc_device = {
2721 .minor = MISC_DYNAMIC_MINOR,
2722 .name = "sonypi",
2723 .fops = &sonypi_misc_fops,
2724 };
2725
2726 static void sonypi_compat_report_event(u8 event)
2727 {
2728 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2729 sizeof(event), &sonypi_compat.fifo_lock);
2730 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2731 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2732 }
2733
2734 static int sonypi_compat_init(void)
2735 {
2736 int error;
2737
2738 spin_lock_init(&sonypi_compat.fifo_lock);
2739 error =
2740 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2741 if (error) {
2742 pr_err(DRV_PFX "kfifo_alloc failed\n");
2743 return error;
2744 }
2745
2746 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2747
2748 if (minor != -1)
2749 sonypi_misc_device.minor = minor;
2750 error = misc_register(&sonypi_misc_device);
2751 if (error) {
2752 pr_err(DRV_PFX "misc_register failed\n");
2753 goto err_free_kfifo;
2754 }
2755 if (minor == -1)
2756 pr_info(DRV_PFX "device allocated minor is %d\n",
2757 sonypi_misc_device.minor);
2758
2759 return 0;
2760
2761 err_free_kfifo:
2762 kfifo_free(&sonypi_compat.fifo);
2763 return error;
2764 }
2765
2766 static void sonypi_compat_exit(void)
2767 {
2768 misc_deregister(&sonypi_misc_device);
2769 kfifo_free(&sonypi_compat.fifo);
2770 }
2771 #else
2772 static int sonypi_compat_init(void) { return 0; }
2773 static void sonypi_compat_exit(void) { }
2774 static void sonypi_compat_report_event(u8 event) { }
2775 #endif /* CONFIG_SONYPI_COMPAT */
2776
2777 /*
2778 * ACPI callbacks
2779 */
2780 static acpi_status
2781 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2782 {
2783 u32 i;
2784 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2785
2786 switch (resource->type) {
2787 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2788 {
2789 /* start IO enumeration */
2790 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2791 if (!ioport)
2792 return AE_ERROR;
2793
2794 list_add(&ioport->list, &dev->ioports);
2795 return AE_OK;
2796 }
2797
2798 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2799 /* end IO enumeration */
2800 return AE_OK;
2801
2802 case ACPI_RESOURCE_TYPE_IRQ:
2803 {
2804 struct acpi_resource_irq *p = &resource->data.irq;
2805 struct sony_pic_irq *interrupt = NULL;
2806 if (!p || !p->interrupt_count) {
2807 /*
2808 * IRQ descriptors may have no IRQ# bits set,
2809 * particularly those those w/ _STA disabled
2810 */
2811 dprintk("Blank IRQ resource\n");
2812 return AE_OK;
2813 }
2814 for (i = 0; i < p->interrupt_count; i++) {
2815 if (!p->interrupts[i]) {
2816 pr_warn(DRV_PFX "Invalid IRQ %d\n",
2817 p->interrupts[i]);
2818 continue;
2819 }
2820 interrupt = kzalloc(sizeof(*interrupt),
2821 GFP_KERNEL);
2822 if (!interrupt)
2823 return AE_ERROR;
2824
2825 list_add(&interrupt->list, &dev->interrupts);
2826 interrupt->irq.triggering = p->triggering;
2827 interrupt->irq.polarity = p->polarity;
2828 interrupt->irq.sharable = p->sharable;
2829 interrupt->irq.interrupt_count = 1;
2830 interrupt->irq.interrupts[0] = p->interrupts[i];
2831 }
2832 return AE_OK;
2833 }
2834 case ACPI_RESOURCE_TYPE_IO:
2835 {
2836 struct acpi_resource_io *io = &resource->data.io;
2837 struct sony_pic_ioport *ioport =
2838 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2839 if (!io) {
2840 dprintk("Blank IO resource\n");
2841 return AE_OK;
2842 }
2843
2844 if (!ioport->io1.minimum) {
2845 memcpy(&ioport->io1, io, sizeof(*io));
2846 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2847 ioport->io1.address_length);
2848 }
2849 else if (!ioport->io2.minimum) {
2850 memcpy(&ioport->io2, io, sizeof(*io));
2851 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2852 ioport->io2.address_length);
2853 }
2854 else {
2855 pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2856 return AE_ERROR;
2857 }
2858 return AE_OK;
2859 }
2860 default:
2861 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2862 resource->type);
2863
2864 case ACPI_RESOURCE_TYPE_END_TAG:
2865 return AE_OK;
2866 }
2867 return AE_CTRL_TERMINATE;
2868 }
2869
2870 static int sony_pic_possible_resources(struct acpi_device *device)
2871 {
2872 int result = 0;
2873 acpi_status status = AE_OK;
2874
2875 if (!device)
2876 return -EINVAL;
2877
2878 /* get device status */
2879 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2880 dprintk("Evaluating _STA\n");
2881 result = acpi_bus_get_status(device);
2882 if (result) {
2883 pr_warn(DRV_PFX "Unable to read status\n");
2884 goto end;
2885 }
2886
2887 if (!device->status.enabled)
2888 dprintk("Device disabled\n");
2889 else
2890 dprintk("Device enabled\n");
2891
2892 /*
2893 * Query and parse 'method'
2894 */
2895 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2896 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2897 sony_pic_read_possible_resource, &spic_dev);
2898 if (ACPI_FAILURE(status)) {
2899 pr_warn(DRV_PFX "Failure evaluating %s\n",
2900 METHOD_NAME__PRS);
2901 result = -ENODEV;
2902 }
2903 end:
2904 return result;
2905 }
2906
2907 /*
2908 * Disable the spic device by calling its _DIS method
2909 */
2910 static int sony_pic_disable(struct acpi_device *device)
2911 {
2912 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2913 NULL);
2914
2915 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2916 return -ENXIO;
2917
2918 dprintk("Device disabled\n");
2919 return 0;
2920 }
2921
2922
2923 /*
2924 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2925 *
2926 * Call _SRS to set current resources
2927 */
2928 static int sony_pic_enable(struct acpi_device *device,
2929 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2930 {
2931 acpi_status status;
2932 int result = 0;
2933 /* Type 1 resource layout is:
2934 * IO
2935 * IO
2936 * IRQNoFlags
2937 * End
2938 *
2939 * Type 2 and 3 resource layout is:
2940 * IO
2941 * IRQNoFlags
2942 * End
2943 */
2944 struct {
2945 struct acpi_resource res1;
2946 struct acpi_resource res2;
2947 struct acpi_resource res3;
2948 struct acpi_resource res4;
2949 } *resource;
2950 struct acpi_buffer buffer = { 0, NULL };
2951
2952 if (!ioport || !irq)
2953 return -EINVAL;
2954
2955 /* init acpi_buffer */
2956 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2957 if (!resource)
2958 return -ENOMEM;
2959
2960 buffer.length = sizeof(*resource) + 1;
2961 buffer.pointer = resource;
2962
2963 /* setup Type 1 resources */
2964 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2965
2966 /* setup io resources */
2967 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2968 resource->res1.length = sizeof(struct acpi_resource);
2969 memcpy(&resource->res1.data.io, &ioport->io1,
2970 sizeof(struct acpi_resource_io));
2971
2972 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2973 resource->res2.length = sizeof(struct acpi_resource);
2974 memcpy(&resource->res2.data.io, &ioport->io2,
2975 sizeof(struct acpi_resource_io));
2976
2977 /* setup irq resource */
2978 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2979 resource->res3.length = sizeof(struct acpi_resource);
2980 memcpy(&resource->res3.data.irq, &irq->irq,
2981 sizeof(struct acpi_resource_irq));
2982 /* we requested a shared irq */
2983 resource->res3.data.irq.sharable = ACPI_SHARED;
2984
2985 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2986
2987 }
2988 /* setup Type 2/3 resources */
2989 else {
2990 /* setup io resource */
2991 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2992 resource->res1.length = sizeof(struct acpi_resource);
2993 memcpy(&resource->res1.data.io, &ioport->io1,
2994 sizeof(struct acpi_resource_io));
2995
2996 /* setup irq resource */
2997 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2998 resource->res2.length = sizeof(struct acpi_resource);
2999 memcpy(&resource->res2.data.irq, &irq->irq,
3000 sizeof(struct acpi_resource_irq));
3001 /* we requested a shared irq */
3002 resource->res2.data.irq.sharable = ACPI_SHARED;
3003
3004 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3005 }
3006
3007 /* Attempt to set the resource */
3008 dprintk("Evaluating _SRS\n");
3009 status = acpi_set_current_resources(device->handle, &buffer);
3010
3011 /* check for total failure */
3012 if (ACPI_FAILURE(status)) {
3013 pr_err(DRV_PFX "Error evaluating _SRS\n");
3014 result = -ENODEV;
3015 goto end;
3016 }
3017
3018 /* Necessary device initializations calls (from sonypi) */
3019 sony_pic_call1(0x82);
3020 sony_pic_call2(0x81, 0xff);
3021 sony_pic_call1(compat ? 0x92 : 0x82);
3022
3023 end:
3024 kfree(resource);
3025 return result;
3026 }
3027
3028 /*****************
3029 *
3030 * ISR: some event is available
3031 *
3032 *****************/
3033 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3034 {
3035 int i, j;
3036 u8 ev = 0;
3037 u8 data_mask = 0;
3038 u8 device_event = 0;
3039
3040 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3041
3042 ev = inb_p(dev->cur_ioport->io1.minimum);
3043 if (dev->cur_ioport->io2.minimum)
3044 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3045 else
3046 data_mask = inb_p(dev->cur_ioport->io1.minimum +
3047 dev->evport_offset);
3048
3049 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3050 ev, data_mask, dev->cur_ioport->io1.minimum,
3051 dev->evport_offset);
3052
3053 if (ev == 0x00 || ev == 0xff)
3054 return IRQ_HANDLED;
3055
3056 for (i = 0; dev->event_types[i].mask; i++) {
3057
3058 if ((data_mask & dev->event_types[i].data) !=
3059 dev->event_types[i].data)
3060 continue;
3061
3062 if (!(mask & dev->event_types[i].mask))
3063 continue;
3064
3065 for (j = 0; dev->event_types[i].events[j].event; j++) {
3066 if (ev == dev->event_types[i].events[j].data) {
3067 device_event =
3068 dev->event_types[i].events[j].event;
3069 /* some events may require ignoring */
3070 if (!device_event)
3071 return IRQ_HANDLED;
3072 goto found;
3073 }
3074 }
3075 }
3076 /* Still not able to decode the event try to pass
3077 * it over to the minidriver
3078 */
3079 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3080 return IRQ_HANDLED;
3081
3082 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3083 ev, data_mask, dev->cur_ioport->io1.minimum,
3084 dev->evport_offset);
3085 return IRQ_HANDLED;
3086
3087 found:
3088 sony_laptop_report_input_event(device_event);
3089 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3090 sonypi_compat_report_event(device_event);
3091 return IRQ_HANDLED;
3092 }
3093
3094 /*****************
3095 *
3096 * ACPI driver
3097 *
3098 *****************/
3099 static int sony_pic_remove(struct acpi_device *device, int type)
3100 {
3101 struct sony_pic_ioport *io, *tmp_io;
3102 struct sony_pic_irq *irq, *tmp_irq;
3103
3104 if (sony_pic_disable(device)) {
3105 pr_err(DRV_PFX "Couldn't disable device.\n");
3106 return -ENXIO;
3107 }
3108
3109 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3110 release_region(spic_dev.cur_ioport->io1.minimum,
3111 spic_dev.cur_ioport->io1.address_length);
3112 if (spic_dev.cur_ioport->io2.minimum)
3113 release_region(spic_dev.cur_ioport->io2.minimum,
3114 spic_dev.cur_ioport->io2.address_length);
3115
3116 sonypi_compat_exit();
3117
3118 sony_laptop_remove_input();
3119
3120 /* pf attrs */
3121 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3122 sony_pf_remove();
3123
3124 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3125 list_del(&io->list);
3126 kfree(io);
3127 }
3128 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3129 list_del(&irq->list);
3130 kfree(irq);
3131 }
3132 spic_dev.cur_ioport = NULL;
3133 spic_dev.cur_irq = NULL;
3134
3135 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3136 return 0;
3137 }
3138
3139 static int sony_pic_add(struct acpi_device *device)
3140 {
3141 int result;
3142 struct sony_pic_ioport *io, *tmp_io;
3143 struct sony_pic_irq *irq, *tmp_irq;
3144
3145 pr_info(DRV_PFX "%s v%s.\n", SONY_PIC_DRIVER_NAME,
3146 SONY_LAPTOP_DRIVER_VERSION);
3147
3148 spic_dev.acpi_dev = device;
3149 strcpy(acpi_device_class(device), "sony/hotkey");
3150 sony_pic_detect_device_type(&spic_dev);
3151 mutex_init(&spic_dev.lock);
3152
3153 /* read _PRS resources */
3154 result = sony_pic_possible_resources(device);
3155 if (result) {
3156 pr_err(DRV_PFX "Unable to read possible resources.\n");
3157 goto err_free_resources;
3158 }
3159
3160 /* setup input devices and helper fifo */
3161 result = sony_laptop_setup_input(device);
3162 if (result) {
3163 pr_err(DRV_PFX "Unable to create input devices.\n");
3164 goto err_free_resources;
3165 }
3166
3167 if (sonypi_compat_init())
3168 goto err_remove_input;
3169
3170 /* request io port */
3171 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3172 if (request_region(io->io1.minimum, io->io1.address_length,
3173 "Sony Programmable I/O Device")) {
3174 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3175 io->io1.minimum, io->io1.maximum,
3176 io->io1.address_length);
3177 /* Type 1 have 2 ioports */
3178 if (io->io2.minimum) {
3179 if (request_region(io->io2.minimum,
3180 io->io2.address_length,
3181 "Sony Programmable I/O Device")) {
3182 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3183 io->io2.minimum, io->io2.maximum,
3184 io->io2.address_length);
3185 spic_dev.cur_ioport = io;
3186 break;
3187 }
3188 else {
3189 dprintk("Unable to get I/O port2: "
3190 "0x%.4x (0x%.4x) + 0x%.2x\n",
3191 io->io2.minimum, io->io2.maximum,
3192 io->io2.address_length);
3193 release_region(io->io1.minimum,
3194 io->io1.address_length);
3195 }
3196 }
3197 else {
3198 spic_dev.cur_ioport = io;
3199 break;
3200 }
3201 }
3202 }
3203 if (!spic_dev.cur_ioport) {
3204 pr_err(DRV_PFX "Failed to request_region.\n");
3205 result = -ENODEV;
3206 goto err_remove_compat;
3207 }
3208
3209 /* request IRQ */
3210 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3211 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
3212 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
3213 dprintk("IRQ: %d - triggering: %d - "
3214 "polarity: %d - shr: %d\n",
3215 irq->irq.interrupts[0],
3216 irq->irq.triggering,
3217 irq->irq.polarity,
3218 irq->irq.sharable);
3219 spic_dev.cur_irq = irq;
3220 break;
3221 }
3222 }
3223 if (!spic_dev.cur_irq) {
3224 pr_err(DRV_PFX "Failed to request_irq.\n");
3225 result = -ENODEV;
3226 goto err_release_region;
3227 }
3228
3229 /* set resource status _SRS */
3230 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3231 if (result) {
3232 pr_err(DRV_PFX "Couldn't enable device.\n");
3233 goto err_free_irq;
3234 }
3235
3236 spic_dev.bluetooth_power = -1;
3237 /* create device attributes */
3238 result = sony_pf_add();
3239 if (result)
3240 goto err_disable_device;
3241
3242 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3243 if (result)
3244 goto err_remove_pf;
3245
3246 return 0;
3247
3248 err_remove_pf:
3249 sony_pf_remove();
3250
3251 err_disable_device:
3252 sony_pic_disable(device);
3253
3254 err_free_irq:
3255 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3256
3257 err_release_region:
3258 release_region(spic_dev.cur_ioport->io1.minimum,
3259 spic_dev.cur_ioport->io1.address_length);
3260 if (spic_dev.cur_ioport->io2.minimum)
3261 release_region(spic_dev.cur_ioport->io2.minimum,
3262 spic_dev.cur_ioport->io2.address_length);
3263
3264 err_remove_compat:
3265 sonypi_compat_exit();
3266
3267 err_remove_input:
3268 sony_laptop_remove_input();
3269
3270 err_free_resources:
3271 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3272 list_del(&io->list);
3273 kfree(io);
3274 }
3275 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3276 list_del(&irq->list);
3277 kfree(irq);
3278 }
3279 spic_dev.cur_ioport = NULL;
3280 spic_dev.cur_irq = NULL;
3281
3282 return result;
3283 }
3284
3285 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3286 {
3287 if (sony_pic_disable(device))
3288 return -ENXIO;
3289 return 0;
3290 }
3291
3292 static int sony_pic_resume(struct acpi_device *device)
3293 {
3294 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3295 return 0;
3296 }
3297
3298 static const struct acpi_device_id sony_pic_device_ids[] = {
3299 {SONY_PIC_HID, 0},
3300 {"", 0},
3301 };
3302
3303 static struct acpi_driver sony_pic_driver = {
3304 .name = SONY_PIC_DRIVER_NAME,
3305 .class = SONY_PIC_CLASS,
3306 .ids = sony_pic_device_ids,
3307 .owner = THIS_MODULE,
3308 .ops = {
3309 .add = sony_pic_add,
3310 .remove = sony_pic_remove,
3311 .suspend = sony_pic_suspend,
3312 .resume = sony_pic_resume,
3313 },
3314 };
3315
3316 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3317 {
3318 .ident = "Sony Vaio",
3319 .matches = {
3320 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3321 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3322 },
3323 },
3324 {
3325 .ident = "Sony Vaio",
3326 .matches = {
3327 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3328 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3329 },
3330 },
3331 { }
3332 };
3333
3334 static int __init sony_laptop_init(void)
3335 {
3336 int result;
3337
3338 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3339 result = acpi_bus_register_driver(&sony_pic_driver);
3340 if (result) {
3341 pr_err(DRV_PFX "Unable to register SPIC driver.");
3342 goto out;
3343 }
3344 spic_drv_registered = 1;
3345 }
3346
3347 result = acpi_bus_register_driver(&sony_nc_driver);
3348 if (result) {
3349 pr_err(DRV_PFX "Unable to register SNC driver.");
3350 goto out_unregister_pic;
3351 }
3352
3353 return 0;
3354
3355 out_unregister_pic:
3356 if (spic_drv_registered)
3357 acpi_bus_unregister_driver(&sony_pic_driver);
3358 out:
3359 return result;
3360 }
3361
3362 static void __exit sony_laptop_exit(void)
3363 {
3364 acpi_bus_unregister_driver(&sony_nc_driver);
3365 if (spic_drv_registered)
3366 acpi_bus_unregister_driver(&sony_pic_driver);
3367 }
3368
3369 module_init(sony_laptop_init);
3370 module_exit(sony_laptop_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree