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sparc64: Fix UP build.
[linux-2.6.git] / drivers / platform / x86 / sony-laptop.c
blob5af53340da6f4736fb86c65c30fc296b2e5c97f7
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127 SONY_WIFI,
128 SONY_BLUETOOTH,
129 SONY_WWAN,
130 SONY_WIMAX,
131 N_SONY_RFKILL,
132 };
133
134 static int sony_rfkill_handle;
135 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
136 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
137 static void sony_nc_rfkill_update(void);
138
139 /*********** Input Devices ***********/
140
141 #define SONY_LAPTOP_BUF_SIZE 128
142 struct sony_laptop_input_s {
143 atomic_t users;
144 struct input_dev *jog_dev;
145 struct input_dev *key_dev;
146 struct kfifo fifo;
147 spinlock_t fifo_lock;
148 struct workqueue_struct *wq;
149 };
150
151 static struct sony_laptop_input_s sony_laptop_input = {
152 .users = ATOMIC_INIT(0),
153 };
154
155 struct sony_laptop_keypress {
156 struct input_dev *dev;
157 int key;
158 };
159
160 /* Correspondance table between sonypi events
161 * and input layer indexes in the keymap
162 */
163 static int sony_laptop_input_index[] = {
164 -1, /* 0 no event */
165 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
166 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
167 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
168 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
169 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
170 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
171 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
172 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
173 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
174 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
175 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
176 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
177 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
178 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
179 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
180 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
181 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
182 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
183 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
184 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
185 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
186 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
187 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
188 17, /* 24 SONYPI_EVENT_FNKEY_1 */
189 18, /* 25 SONYPI_EVENT_FNKEY_2 */
190 19, /* 26 SONYPI_EVENT_FNKEY_D */
191 20, /* 27 SONYPI_EVENT_FNKEY_E */
192 21, /* 28 SONYPI_EVENT_FNKEY_F */
193 22, /* 29 SONYPI_EVENT_FNKEY_S */
194 23, /* 30 SONYPI_EVENT_FNKEY_B */
195 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
196 25, /* 32 SONYPI_EVENT_PKEY_P1 */
197 26, /* 33 SONYPI_EVENT_PKEY_P2 */
198 27, /* 34 SONYPI_EVENT_PKEY_P3 */
199 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
200 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
201 -1, /* 37 SONYPI_EVENT_LID_OPENED */
202 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
203 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
204 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
205 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
206 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
207 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
208 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
209 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
210 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
211 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
212 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
213 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
214 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
215 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
216 43, /* 52 SONYPI_EVENT_MEYE_FACE */
217 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
218 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
219 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
220 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
221 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
222 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
223 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
224 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
225 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
226 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
227 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
228 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
229 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
230 53, /* 66 SONYPI_EVENT_PKEY_P4 */
231 54, /* 67 SONYPI_EVENT_PKEY_P5 */
232 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
233 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
234 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
235 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
236 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
237 };
238
239 static int sony_laptop_input_keycode_map[] = {
240 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
241 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
242 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
243 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
244 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
245 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
246 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
247 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
248 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
249 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
250 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
251 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
252 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
253 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
254 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
255 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
256 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
257 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
258 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
259 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
260 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
261 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
262 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
263 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
264 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
265 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
266 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
267 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
268 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
269 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
270 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
271 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
272 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
273 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
274 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
275 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
276 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
277 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
278 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
279 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
280 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
281 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
282 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
283 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
284 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
285 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
286 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
287 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
288 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
289 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
290 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
291 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
292 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
293 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
294 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
295 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
296 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
297 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
298 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
299 };
300
301 /* release buttons after a short delay if pressed */
302 static void do_sony_laptop_release_key(struct work_struct *work)
303 {
304 struct sony_laptop_keypress kp;
305
306 while (kfifo_out_locked(&sony_laptop_input.fifo, (unsigned char *)&kp,
307 sizeof(kp), &sony_laptop_input.fifo_lock)
308 == sizeof(kp)) {
309 msleep(10);
310 input_report_key(kp.dev, kp.key, 0);
311 input_sync(kp.dev);
312 }
313 }
314 static DECLARE_WORK(sony_laptop_release_key_work,
315 do_sony_laptop_release_key);
316
317 /* forward event to the input subsystem */
318 static void sony_laptop_report_input_event(u8 event)
319 {
320 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
321 struct input_dev *key_dev = sony_laptop_input.key_dev;
322 struct sony_laptop_keypress kp = { NULL };
323
324 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
325 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
326 /* Nothing, not all VAIOs generate this event */
327 return;
328 }
329
330 /* report events */
331 switch (event) {
332 /* jog_dev events */
333 case SONYPI_EVENT_JOGDIAL_UP:
334 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
335 input_report_rel(jog_dev, REL_WHEEL, 1);
336 input_sync(jog_dev);
337 return;
338
339 case SONYPI_EVENT_JOGDIAL_DOWN:
340 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
341 input_report_rel(jog_dev, REL_WHEEL, -1);
342 input_sync(jog_dev);
343 return;
344
345 /* key_dev events */
346 case SONYPI_EVENT_JOGDIAL_PRESSED:
347 kp.key = BTN_MIDDLE;
348 kp.dev = jog_dev;
349 break;
350
351 default:
352 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
353 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
354 break;
355 }
356 if (sony_laptop_input_index[event] != -1) {
357 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
358 if (kp.key != KEY_UNKNOWN)
359 kp.dev = key_dev;
360 }
361 break;
362 }
363
364 if (kp.dev) {
365 input_report_key(kp.dev, kp.key, 1);
366 /* we emit the scancode so we can always remap the key */
367 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
368 input_sync(kp.dev);
369 kfifo_in_locked(&sony_laptop_input.fifo,
370 (unsigned char *)&kp, sizeof(kp),
371 &sony_laptop_input.fifo_lock);
372
373 if (!work_pending(&sony_laptop_release_key_work))
374 queue_work(sony_laptop_input.wq,
375 &sony_laptop_release_key_work);
376 } else
377 dprintk("unknown input event %.2x\n", event);
378 }
379
380 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
381 {
382 struct input_dev *jog_dev;
383 struct input_dev *key_dev;
384 int i;
385 int error;
386
387 /* don't run again if already initialized */
388 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
389 return 0;
390
391 /* kfifo */
392 spin_lock_init(&sony_laptop_input.fifo_lock);
393 error =
394 kfifo_alloc(&sony_laptop_input.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
395 if (error) {
396 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
397 goto err_dec_users;
398 }
399
400 /* init workqueue */
401 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
402 if (!sony_laptop_input.wq) {
403 printk(KERN_ERR DRV_PFX
404 "Unable to create workqueue.\n");
405 error = -ENXIO;
406 goto err_free_kfifo;
407 }
408
409 /* input keys */
410 key_dev = input_allocate_device();
411 if (!key_dev) {
412 error = -ENOMEM;
413 goto err_destroy_wq;
414 }
415
416 key_dev->name = "Sony Vaio Keys";
417 key_dev->id.bustype = BUS_ISA;
418 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
419 key_dev->dev.parent = &acpi_device->dev;
420
421 /* Initialize the Input Drivers: special keys */
422 set_bit(EV_KEY, key_dev->evbit);
423 set_bit(EV_MSC, key_dev->evbit);
424 set_bit(MSC_SCAN, key_dev->mscbit);
425 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
426 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
427 key_dev->keycode = &sony_laptop_input_keycode_map;
428 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
429 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
430 set_bit(sony_laptop_input_keycode_map[i],
431 key_dev->keybit);
432 }
433 }
434
435 error = input_register_device(key_dev);
436 if (error)
437 goto err_free_keydev;
438
439 sony_laptop_input.key_dev = key_dev;
440
441 /* jogdial */
442 jog_dev = input_allocate_device();
443 if (!jog_dev) {
444 error = -ENOMEM;
445 goto err_unregister_keydev;
446 }
447
448 jog_dev->name = "Sony Vaio Jogdial";
449 jog_dev->id.bustype = BUS_ISA;
450 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
451 key_dev->dev.parent = &acpi_device->dev;
452
453 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
454 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
455 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
456
457 error = input_register_device(jog_dev);
458 if (error)
459 goto err_free_jogdev;
460
461 sony_laptop_input.jog_dev = jog_dev;
462
463 return 0;
464
465 err_free_jogdev:
466 input_free_device(jog_dev);
467
468 err_unregister_keydev:
469 input_unregister_device(key_dev);
470 /* to avoid kref underflow below at input_free_device */
471 key_dev = NULL;
472
473 err_free_keydev:
474 input_free_device(key_dev);
475
476 err_destroy_wq:
477 destroy_workqueue(sony_laptop_input.wq);
478
479 err_free_kfifo:
480 kfifo_free(&sony_laptop_input.fifo);
481
482 err_dec_users:
483 atomic_dec(&sony_laptop_input.users);
484 return error;
485 }
486
487 static void sony_laptop_remove_input(void)
488 {
489 /* cleanup only after the last user has gone */
490 if (!atomic_dec_and_test(&sony_laptop_input.users))
491 return;
492
493 /* flush workqueue first */
494 flush_workqueue(sony_laptop_input.wq);
495
496 /* destroy input devs */
497 input_unregister_device(sony_laptop_input.key_dev);
498 sony_laptop_input.key_dev = NULL;
499
500 if (sony_laptop_input.jog_dev) {
501 input_unregister_device(sony_laptop_input.jog_dev);
502 sony_laptop_input.jog_dev = NULL;
503 }
504
505 destroy_workqueue(sony_laptop_input.wq);
506 kfifo_free(&sony_laptop_input.fifo);
507 }
508
509 /*********** Platform Device ***********/
510
511 static atomic_t sony_pf_users = ATOMIC_INIT(0);
512 static struct platform_driver sony_pf_driver = {
513 .driver = {
514 .name = "sony-laptop",
515 .owner = THIS_MODULE,
516 }
517 };
518 static struct platform_device *sony_pf_device;
519
520 static int sony_pf_add(void)
521 {
522 int ret = 0;
523
524 /* don't run again if already initialized */
525 if (atomic_add_return(1, &sony_pf_users) > 1)
526 return 0;
527
528 ret = platform_driver_register(&sony_pf_driver);
529 if (ret)
530 goto out;
531
532 sony_pf_device = platform_device_alloc("sony-laptop", -1);
533 if (!sony_pf_device) {
534 ret = -ENOMEM;
535 goto out_platform_registered;
536 }
537
538 ret = platform_device_add(sony_pf_device);
539 if (ret)
540 goto out_platform_alloced;
541
542 return 0;
543
544 out_platform_alloced:
545 platform_device_put(sony_pf_device);
546 sony_pf_device = NULL;
547 out_platform_registered:
548 platform_driver_unregister(&sony_pf_driver);
549 out:
550 atomic_dec(&sony_pf_users);
551 return ret;
552 }
553
554 static void sony_pf_remove(void)
555 {
556 /* deregister only after the last user has gone */
557 if (!atomic_dec_and_test(&sony_pf_users))
558 return;
559
560 platform_device_del(sony_pf_device);
561 platform_device_put(sony_pf_device);
562 platform_driver_unregister(&sony_pf_driver);
563 }
564
565 /*********** SNC (SNY5001) Device ***********/
566
567 /* the device uses 1-based values, while the backlight subsystem uses
568 0-based values */
569 #define SONY_MAX_BRIGHTNESS 8
570
571 #define SNC_VALIDATE_IN 0
572 #define SNC_VALIDATE_OUT 1
573
574 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
575 char *);
576 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
577 const char *, size_t);
578 static int boolean_validate(const int, const int);
579 static int brightness_default_validate(const int, const int);
580
581 struct sony_nc_value {
582 char *name; /* name of the entry */
583 char **acpiget; /* names of the ACPI get function */
584 char **acpiset; /* names of the ACPI set function */
585 int (*validate)(const int, const int); /* input/output validation */
586 int value; /* current setting */
587 int valid; /* Has ever been set */
588 int debug; /* active only in debug mode ? */
589 struct device_attribute devattr; /* sysfs atribute */
590 };
591
592 #define SNC_HANDLE_NAMES(_name, _values...) \
593 static char *snc_##_name[] = { _values, NULL }
594
595 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
596 { \
597 .name = __stringify(_name), \
598 .acpiget = _getters, \
599 .acpiset = _setters, \
600 .validate = _validate, \
601 .debug = _debug, \
602 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
603 }
604
605 #define SNC_HANDLE_NULL { .name = NULL }
606
607 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
608
609 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
610 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
611
612 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
613 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
614
615 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
616 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
617
618 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
619 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
620
621 SNC_HANDLE_NAMES(lidstate_get, "GLID");
622
623 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
624 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
625
626 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
627 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
628
629 SNC_HANDLE_NAMES(PID_get, "GPID");
630
631 SNC_HANDLE_NAMES(CTR_get, "GCTR");
632 SNC_HANDLE_NAMES(CTR_set, "SCTR");
633
634 SNC_HANDLE_NAMES(PCR_get, "GPCR");
635 SNC_HANDLE_NAMES(PCR_set, "SPCR");
636
637 SNC_HANDLE_NAMES(CMI_get, "GCMI");
638 SNC_HANDLE_NAMES(CMI_set, "SCMI");
639
640 static struct sony_nc_value sony_nc_values[] = {
641 SNC_HANDLE(brightness_default, snc_brightness_def_get,
642 snc_brightness_def_set, brightness_default_validate, 0),
643 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
644 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
645 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
646 boolean_validate, 0),
647 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
648 boolean_validate, 1),
649 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
650 boolean_validate, 0),
651 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
652 boolean_validate, 0),
653 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
654 boolean_validate, 0),
655 /* unknown methods */
656 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
657 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
658 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
659 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
660 SNC_HANDLE_NULL
661 };
662
663 static acpi_handle sony_nc_acpi_handle;
664 static struct acpi_device *sony_nc_acpi_device = NULL;
665
666 /*
667 * acpi_evaluate_object wrappers
668 */
669 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
670 {
671 struct acpi_buffer output;
672 union acpi_object out_obj;
673 acpi_status status;
674
675 output.length = sizeof(out_obj);
676 output.pointer = &out_obj;
677
678 status = acpi_evaluate_object(handle, name, NULL, &output);
679 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
680 *result = out_obj.integer.value;
681 return 0;
682 }
683
684 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
685
686 return -1;
687 }
688
689 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
690 int *result)
691 {
692 struct acpi_object_list params;
693 union acpi_object in_obj;
694 struct acpi_buffer output;
695 union acpi_object out_obj;
696 acpi_status status;
697
698 params.count = 1;
699 params.pointer = &in_obj;
700 in_obj.type = ACPI_TYPE_INTEGER;
701 in_obj.integer.value = value;
702
703 output.length = sizeof(out_obj);
704 output.pointer = &out_obj;
705
706 status = acpi_evaluate_object(handle, name, &params, &output);
707 if (status == AE_OK) {
708 if (result != NULL) {
709 if (out_obj.type != ACPI_TYPE_INTEGER) {
710 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
711 "return type\n");
712 return -1;
713 }
714 *result = out_obj.integer.value;
715 }
716 return 0;
717 }
718
719 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
720
721 return -1;
722 }
723
724 static int sony_find_snc_handle(int handle)
725 {
726 int i;
727 int result;
728
729 for (i = 0x20; i < 0x30; i++) {
730 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
731 if (result == handle)
732 return i-0x20;
733 }
734
735 return -1;
736 }
737
738 static int sony_call_snc_handle(int handle, int argument, int *result)
739 {
740 int offset = sony_find_snc_handle(handle);
741
742 if (offset < 0)
743 return -1;
744
745 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
746 result);
747 }
748
749 /*
750 * sony_nc_values input/output validate functions
751 */
752
753 /* brightness_default_validate:
754 *
755 * manipulate input output values to keep consistency with the
756 * backlight framework for which brightness values are 0-based.
757 */
758 static int brightness_default_validate(const int direction, const int value)
759 {
760 switch (direction) {
761 case SNC_VALIDATE_OUT:
762 return value - 1;
763 case SNC_VALIDATE_IN:
764 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
765 return value + 1;
766 }
767 return -EINVAL;
768 }
769
770 /* boolean_validate:
771 *
772 * on input validate boolean values 0/1, on output just pass the
773 * received value.
774 */
775 static int boolean_validate(const int direction, const int value)
776 {
777 if (direction == SNC_VALIDATE_IN) {
778 if (value != 0 && value != 1)
779 return -EINVAL;
780 }
781 return value;
782 }
783
784 /*
785 * Sysfs show/store common to all sony_nc_values
786 */
787 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
788 char *buffer)
789 {
790 int value;
791 struct sony_nc_value *item =
792 container_of(attr, struct sony_nc_value, devattr);
793
794 if (!*item->acpiget)
795 return -EIO;
796
797 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
798 return -EIO;
799
800 if (item->validate)
801 value = item->validate(SNC_VALIDATE_OUT, value);
802
803 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
804 }
805
806 static ssize_t sony_nc_sysfs_store(struct device *dev,
807 struct device_attribute *attr,
808 const char *buffer, size_t count)
809 {
810 int value;
811 struct sony_nc_value *item =
812 container_of(attr, struct sony_nc_value, devattr);
813
814 if (!item->acpiset)
815 return -EIO;
816
817 if (count > 31)
818 return -EINVAL;
819
820 value = simple_strtoul(buffer, NULL, 10);
821
822 if (item->validate)
823 value = item->validate(SNC_VALIDATE_IN, value);
824
825 if (value < 0)
826 return value;
827
828 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
829 return -EIO;
830 item->value = value;
831 item->valid = 1;
832 return count;
833 }
834
835
836 /*
837 * Backlight device
838 */
839 static int sony_backlight_update_status(struct backlight_device *bd)
840 {
841 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
842 bd->props.brightness + 1, NULL);
843 }
844
845 static int sony_backlight_get_brightness(struct backlight_device *bd)
846 {
847 int value;
848
849 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
850 return 0;
851 /* brightness levels are 1-based, while backlight ones are 0-based */
852 return value - 1;
853 }
854
855 static struct backlight_device *sony_backlight_device;
856 static struct backlight_ops sony_backlight_ops = {
857 .update_status = sony_backlight_update_status,
858 .get_brightness = sony_backlight_get_brightness,
859 };
860
861 /*
862 * New SNC-only Vaios event mapping to driver known keys
863 */
864 struct sony_nc_event {
865 u8 data;
866 u8 event;
867 };
868
869 static struct sony_nc_event sony_100_events[] = {
870 { 0x90, SONYPI_EVENT_PKEY_P1 },
871 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
872 { 0x91, SONYPI_EVENT_PKEY_P2 },
873 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
874 { 0x81, SONYPI_EVENT_FNKEY_F1 },
875 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
876 { 0x82, SONYPI_EVENT_FNKEY_F2 },
877 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
878 { 0x83, SONYPI_EVENT_FNKEY_F3 },
879 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
880 { 0x84, SONYPI_EVENT_FNKEY_F4 },
881 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
882 { 0x85, SONYPI_EVENT_FNKEY_F5 },
883 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
884 { 0x86, SONYPI_EVENT_FNKEY_F6 },
885 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
886 { 0x87, SONYPI_EVENT_FNKEY_F7 },
887 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
888 { 0x89, SONYPI_EVENT_FNKEY_F9 },
889 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
890 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
891 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
892 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
893 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
894 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
895 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
896 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
897 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
898 { 0, 0 },
899 };
900
901 static struct sony_nc_event sony_127_events[] = {
902 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
903 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
904 { 0x82, SONYPI_EVENT_PKEY_P1 },
905 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
906 { 0x83, SONYPI_EVENT_PKEY_P2 },
907 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
908 { 0x84, SONYPI_EVENT_PKEY_P3 },
909 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
910 { 0x85, SONYPI_EVENT_PKEY_P4 },
911 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
912 { 0x86, SONYPI_EVENT_PKEY_P5 },
913 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
914 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
915 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
916 { 0, 0 },
917 };
918
919 /*
920 * ACPI callbacks
921 */
922 static void sony_nc_notify(struct acpi_device *device, u32 event)
923 {
924 u32 ev = event;
925
926 if (ev >= 0x90) {
927 /* New-style event */
928 int result;
929 int key_handle = 0;
930 ev -= 0x90;
931
932 if (sony_find_snc_handle(0x100) == ev)
933 key_handle = 0x100;
934 if (sony_find_snc_handle(0x127) == ev)
935 key_handle = 0x127;
936
937 if (key_handle) {
938 struct sony_nc_event *key_event;
939
940 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
941 dprintk("sony_nc_notify, unable to decode"
942 " event 0x%.2x 0x%.2x\n", key_handle,
943 ev);
944 /* restore the original event */
945 ev = event;
946 } else {
947 ev = result & 0xFF;
948
949 if (key_handle == 0x100)
950 key_event = sony_100_events;
951 else
952 key_event = sony_127_events;
953
954 for (; key_event->data; key_event++) {
955 if (key_event->data == ev) {
956 ev = key_event->event;
957 break;
958 }
959 }
960
961 if (!key_event->data)
962 printk(KERN_INFO DRV_PFX
963 "Unknown event: 0x%x 0x%x\n",
964 key_handle,
965 ev);
966 else
967 sony_laptop_report_input_event(ev);
968 }
969 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
970 sony_nc_rfkill_update();
971 return;
972 }
973 } else
974 sony_laptop_report_input_event(ev);
975
976 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
977 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
978 }
979
980 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
981 void *context, void **return_value)
982 {
983 struct acpi_device_info *info;
984
985 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
986 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
987 (char *)&info->name, info->param_count);
988
989 kfree(info);
990 }
991
992 return AE_OK;
993 }
994
995 /*
996 * ACPI device
997 */
998 static int sony_nc_function_setup(struct acpi_device *device)
999 {
1000 int result;
1001
1002 /* Enable all events */
1003 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1004
1005 /* Setup hotkeys */
1006 sony_call_snc_handle(0x0100, 0, &result);
1007 sony_call_snc_handle(0x0101, 0, &result);
1008 sony_call_snc_handle(0x0102, 0x100, &result);
1009 sony_call_snc_handle(0x0127, 0, &result);
1010
1011 return 0;
1012 }
1013
1014 static int sony_nc_resume(struct acpi_device *device)
1015 {
1016 struct sony_nc_value *item;
1017 acpi_handle handle;
1018
1019 for (item = sony_nc_values; item->name; item++) {
1020 int ret;
1021
1022 if (!item->valid)
1023 continue;
1024 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1025 item->value, NULL);
1026 if (ret < 0) {
1027 printk("%s: %d\n", __func__, ret);
1028 break;
1029 }
1030 }
1031
1032 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1033 &handle))) {
1034 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1035 dprintk("ECON Method failed\n");
1036 }
1037
1038 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1039 &handle))) {
1040 dprintk("Doing SNC setup\n");
1041 sony_nc_function_setup(device);
1042 }
1043
1044 /* set the last requested brightness level */
1045 if (sony_backlight_device &&
1046 sony_backlight_update_status(sony_backlight_device) < 0)
1047 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1048
1049 /* re-read rfkill state */
1050 sony_nc_rfkill_update();
1051
1052 return 0;
1053 }
1054
1055 static void sony_nc_rfkill_cleanup(void)
1056 {
1057 int i;
1058
1059 for (i = 0; i < N_SONY_RFKILL; i++) {
1060 if (sony_rfkill_devices[i]) {
1061 rfkill_unregister(sony_rfkill_devices[i]);
1062 rfkill_destroy(sony_rfkill_devices[i]);
1063 }
1064 }
1065 }
1066
1067 static int sony_nc_rfkill_set(void *data, bool blocked)
1068 {
1069 int result;
1070 int argument = sony_rfkill_address[(long) data] + 0x100;
1071
1072 if (!blocked)
1073 argument |= 0xff0000;
1074
1075 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1076 }
1077
1078 static const struct rfkill_ops sony_rfkill_ops = {
1079 .set_block = sony_nc_rfkill_set,
1080 };
1081
1082 static int sony_nc_setup_rfkill(struct acpi_device *device,
1083 enum sony_nc_rfkill nc_type)
1084 {
1085 int err = 0;
1086 struct rfkill *rfk;
1087 enum rfkill_type type;
1088 const char *name;
1089 int result;
1090 bool hwblock;
1091
1092 switch (nc_type) {
1093 case SONY_WIFI:
1094 type = RFKILL_TYPE_WLAN;
1095 name = "sony-wifi";
1096 break;
1097 case SONY_BLUETOOTH:
1098 type = RFKILL_TYPE_BLUETOOTH;
1099 name = "sony-bluetooth";
1100 break;
1101 case SONY_WWAN:
1102 type = RFKILL_TYPE_WWAN;
1103 name = "sony-wwan";
1104 break;
1105 case SONY_WIMAX:
1106 type = RFKILL_TYPE_WIMAX;
1107 name = "sony-wimax";
1108 break;
1109 default:
1110 return -EINVAL;
1111 }
1112
1113 rfk = rfkill_alloc(name, &device->dev, type,
1114 &sony_rfkill_ops, (void *)nc_type);
1115 if (!rfk)
1116 return -ENOMEM;
1117
1118 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1119 hwblock = !(result & 0x1);
1120 rfkill_set_hw_state(rfk, hwblock);
1121
1122 err = rfkill_register(rfk);
1123 if (err) {
1124 rfkill_destroy(rfk);
1125 return err;
1126 }
1127 sony_rfkill_devices[nc_type] = rfk;
1128 return err;
1129 }
1130
1131 static void sony_nc_rfkill_update()
1132 {
1133 enum sony_nc_rfkill i;
1134 int result;
1135 bool hwblock;
1136
1137 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1138 hwblock = !(result & 0x1);
1139
1140 for (i = 0; i < N_SONY_RFKILL; i++) {
1141 int argument = sony_rfkill_address[i];
1142
1143 if (!sony_rfkill_devices[i])
1144 continue;
1145
1146 if (hwblock) {
1147 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1148 /* we already know we're blocked */
1149 }
1150 continue;
1151 }
1152
1153 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1154 rfkill_set_states(sony_rfkill_devices[i],
1155 !(result & 0xf), false);
1156 }
1157 }
1158
1159 static void sony_nc_rfkill_setup(struct acpi_device *device)
1160 {
1161 int offset;
1162 u8 dev_code, i;
1163 acpi_status status;
1164 struct acpi_object_list params;
1165 union acpi_object in_obj;
1166 union acpi_object *device_enum;
1167 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1168
1169 offset = sony_find_snc_handle(0x124);
1170 if (offset == -1) {
1171 offset = sony_find_snc_handle(0x135);
1172 if (offset == -1)
1173 return;
1174 else
1175 sony_rfkill_handle = 0x135;
1176 } else
1177 sony_rfkill_handle = 0x124;
1178 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1179
1180 /* need to read the whole buffer returned by the acpi call to SN06
1181 * here otherwise we may miss some features
1182 */
1183 params.count = 1;
1184 params.pointer = &in_obj;
1185 in_obj.type = ACPI_TYPE_INTEGER;
1186 in_obj.integer.value = offset;
1187 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1188 &buffer);
1189 if (ACPI_FAILURE(status)) {
1190 dprintk("Radio device enumeration failed\n");
1191 return;
1192 }
1193
1194 device_enum = (union acpi_object *) buffer.pointer;
1195 if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1196 printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n",
1197 device_enum->type);
1198 goto out_no_enum;
1199 }
1200
1201 /* the buffer is filled with magic numbers describing the devices
1202 * available, 0xff terminates the enumeration
1203 */
1204 while ((dev_code = *(device_enum->buffer.pointer + i)) != 0xff &&
1205 i < device_enum->buffer.length) {
1206 i++;
1207 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1208
1209 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1210 sony_nc_setup_rfkill(device, SONY_WIFI);
1211
1212 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1213 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1214
1215 if ((0xf0 & dev_code) == 0x20 &&
1216 !sony_rfkill_devices[SONY_WWAN])
1217 sony_nc_setup_rfkill(device, SONY_WWAN);
1218
1219 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1220 sony_nc_setup_rfkill(device, SONY_WIMAX);
1221 }
1222
1223 out_no_enum:
1224 kfree(buffer.pointer);
1225 return;
1226 }
1227
1228 static int sony_nc_add(struct acpi_device *device)
1229 {
1230 acpi_status status;
1231 int result = 0;
1232 acpi_handle handle;
1233 struct sony_nc_value *item;
1234
1235 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1236 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1237
1238 sony_nc_acpi_device = device;
1239 strcpy(acpi_device_class(device), "sony/hotkey");
1240
1241 sony_nc_acpi_handle = device->handle;
1242
1243 /* read device status */
1244 result = acpi_bus_get_status(device);
1245 /* bail IFF the above call was successful and the device is not present */
1246 if (!result && !device->status.present) {
1247 dprintk("Device not present\n");
1248 result = -ENODEV;
1249 goto outwalk;
1250 }
1251
1252 if (debug) {
1253 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1254 1, sony_walk_callback, NULL, NULL, NULL);
1255 if (ACPI_FAILURE(status)) {
1256 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1257 result = -ENODEV;
1258 goto outwalk;
1259 }
1260 }
1261
1262 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1263 &handle))) {
1264 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1265 dprintk("ECON Method failed\n");
1266 }
1267
1268 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1269 &handle))) {
1270 dprintk("Doing SNC setup\n");
1271 sony_nc_function_setup(device);
1272 sony_nc_rfkill_setup(device);
1273 }
1274
1275 /* setup input devices and helper fifo */
1276 result = sony_laptop_setup_input(device);
1277 if (result) {
1278 printk(KERN_ERR DRV_PFX
1279 "Unable to create input devices.\n");
1280 goto outwalk;
1281 }
1282
1283 if (acpi_video_backlight_support()) {
1284 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1285 "controlled by ACPI video driver\n");
1286 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1287 &handle))) {
1288 sony_backlight_device = backlight_device_register("sony", NULL,
1289 NULL,
1290 &sony_backlight_ops);
1291
1292 if (IS_ERR(sony_backlight_device)) {
1293 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1294 sony_backlight_device = NULL;
1295 } else {
1296 sony_backlight_device->props.brightness =
1297 sony_backlight_get_brightness
1298 (sony_backlight_device);
1299 sony_backlight_device->props.max_brightness =
1300 SONY_MAX_BRIGHTNESS - 1;
1301 }
1302
1303 }
1304
1305 result = sony_pf_add();
1306 if (result)
1307 goto outbacklight;
1308
1309 /* create sony_pf sysfs attributes related to the SNC device */
1310 for (item = sony_nc_values; item->name; ++item) {
1311
1312 if (!debug && item->debug)
1313 continue;
1314
1315 /* find the available acpiget as described in the DSDT */
1316 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1317 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1318 *item->acpiget,
1319 &handle))) {
1320 dprintk("Found %s getter: %s\n",
1321 item->name, *item->acpiget);
1322 item->devattr.attr.mode |= S_IRUGO;
1323 break;
1324 }
1325 }
1326
1327 /* find the available acpiset as described in the DSDT */
1328 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1329 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1330 *item->acpiset,
1331 &handle))) {
1332 dprintk("Found %s setter: %s\n",
1333 item->name, *item->acpiset);
1334 item->devattr.attr.mode |= S_IWUSR;
1335 break;
1336 }
1337 }
1338
1339 if (item->devattr.attr.mode != 0) {
1340 result =
1341 device_create_file(&sony_pf_device->dev,
1342 &item->devattr);
1343 if (result)
1344 goto out_sysfs;
1345 }
1346 }
1347
1348 return 0;
1349
1350 out_sysfs:
1351 for (item = sony_nc_values; item->name; ++item) {
1352 device_remove_file(&sony_pf_device->dev, &item->devattr);
1353 }
1354 sony_pf_remove();
1355
1356 outbacklight:
1357 if (sony_backlight_device)
1358 backlight_device_unregister(sony_backlight_device);
1359
1360 sony_laptop_remove_input();
1361
1362 outwalk:
1363 sony_nc_rfkill_cleanup();
1364 return result;
1365 }
1366
1367 static int sony_nc_remove(struct acpi_device *device, int type)
1368 {
1369 struct sony_nc_value *item;
1370
1371 if (sony_backlight_device)
1372 backlight_device_unregister(sony_backlight_device);
1373
1374 sony_nc_acpi_device = NULL;
1375
1376 for (item = sony_nc_values; item->name; ++item) {
1377 device_remove_file(&sony_pf_device->dev, &item->devattr);
1378 }
1379
1380 sony_pf_remove();
1381 sony_laptop_remove_input();
1382 sony_nc_rfkill_cleanup();
1383 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1384
1385 return 0;
1386 }
1387
1388 static const struct acpi_device_id sony_device_ids[] = {
1389 {SONY_NC_HID, 0},
1390 {SONY_PIC_HID, 0},
1391 {"", 0},
1392 };
1393 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1394
1395 static const struct acpi_device_id sony_nc_device_ids[] = {
1396 {SONY_NC_HID, 0},
1397 {"", 0},
1398 };
1399
1400 static struct acpi_driver sony_nc_driver = {
1401 .name = SONY_NC_DRIVER_NAME,
1402 .class = SONY_NC_CLASS,
1403 .ids = sony_nc_device_ids,
1404 .owner = THIS_MODULE,
1405 .ops = {
1406 .add = sony_nc_add,
1407 .remove = sony_nc_remove,
1408 .resume = sony_nc_resume,
1409 .notify = sony_nc_notify,
1410 },
1411 };
1412
1413 /*********** SPIC (SNY6001) Device ***********/
1414
1415 #define SONYPI_DEVICE_TYPE1 0x00000001
1416 #define SONYPI_DEVICE_TYPE2 0x00000002
1417 #define SONYPI_DEVICE_TYPE3 0x00000004
1418 #define SONYPI_DEVICE_TYPE4 0x00000008
1419
1420 #define SONYPI_TYPE1_OFFSET 0x04
1421 #define SONYPI_TYPE2_OFFSET 0x12
1422 #define SONYPI_TYPE3_OFFSET 0x12
1423
1424 struct sony_pic_ioport {
1425 struct acpi_resource_io io1;
1426 struct acpi_resource_io io2;
1427 struct list_head list;
1428 };
1429
1430 struct sony_pic_irq {
1431 struct acpi_resource_irq irq;
1432 struct list_head list;
1433 };
1434
1435 struct sonypi_eventtypes {
1436 u8 data;
1437 unsigned long mask;
1438 struct sonypi_event *events;
1439 };
1440
1441 struct sony_pic_dev {
1442 struct acpi_device *acpi_dev;
1443 struct sony_pic_irq *cur_irq;
1444 struct sony_pic_ioport *cur_ioport;
1445 struct list_head interrupts;
1446 struct list_head ioports;
1447 struct mutex lock;
1448 struct sonypi_eventtypes *event_types;
1449 int (*handle_irq)(const u8, const u8);
1450 int model;
1451 u16 evport_offset;
1452 u8 camera_power;
1453 u8 bluetooth_power;
1454 u8 wwan_power;
1455 };
1456
1457 static struct sony_pic_dev spic_dev = {
1458 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1459 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1460 };
1461
1462 static int spic_drv_registered;
1463
1464 /* Event masks */
1465 #define SONYPI_JOGGER_MASK 0x00000001
1466 #define SONYPI_CAPTURE_MASK 0x00000002
1467 #define SONYPI_FNKEY_MASK 0x00000004
1468 #define SONYPI_BLUETOOTH_MASK 0x00000008
1469 #define SONYPI_PKEY_MASK 0x00000010
1470 #define SONYPI_BACK_MASK 0x00000020
1471 #define SONYPI_HELP_MASK 0x00000040
1472 #define SONYPI_LID_MASK 0x00000080
1473 #define SONYPI_ZOOM_MASK 0x00000100
1474 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1475 #define SONYPI_MEYE_MASK 0x00000400
1476 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1477 #define SONYPI_BATTERY_MASK 0x00001000
1478 #define SONYPI_WIRELESS_MASK 0x00002000
1479
1480 struct sonypi_event {
1481 u8 data;
1482 u8 event;
1483 };
1484
1485 /* The set of possible button release events */
1486 static struct sonypi_event sonypi_releaseev[] = {
1487 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1488 { 0, 0 }
1489 };
1490
1491 /* The set of possible jogger events */
1492 static struct sonypi_event sonypi_joggerev[] = {
1493 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1494 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1495 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1496 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1497 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1498 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1499 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1500 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1501 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1502 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1503 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1504 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1505 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1506 { 0, 0 }
1507 };
1508
1509 /* The set of possible capture button events */
1510 static struct sonypi_event sonypi_captureev[] = {
1511 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1512 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1513 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1514 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1515 { 0, 0 }
1516 };
1517
1518 /* The set of possible fnkeys events */
1519 static struct sonypi_event sonypi_fnkeyev[] = {
1520 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1521 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1522 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1523 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1524 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1525 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1526 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1527 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1528 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1529 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1530 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1531 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1532 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1533 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1534 { 0x21, SONYPI_EVENT_FNKEY_1 },
1535 { 0x22, SONYPI_EVENT_FNKEY_2 },
1536 { 0x31, SONYPI_EVENT_FNKEY_D },
1537 { 0x32, SONYPI_EVENT_FNKEY_E },
1538 { 0x33, SONYPI_EVENT_FNKEY_F },
1539 { 0x34, SONYPI_EVENT_FNKEY_S },
1540 { 0x35, SONYPI_EVENT_FNKEY_B },
1541 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1542 { 0, 0 }
1543 };
1544
1545 /* The set of possible program key events */
1546 static struct sonypi_event sonypi_pkeyev[] = {
1547 { 0x01, SONYPI_EVENT_PKEY_P1 },
1548 { 0x02, SONYPI_EVENT_PKEY_P2 },
1549 { 0x04, SONYPI_EVENT_PKEY_P3 },
1550 { 0x20, SONYPI_EVENT_PKEY_P1 },
1551 { 0, 0 }
1552 };
1553
1554 /* The set of possible bluetooth events */
1555 static struct sonypi_event sonypi_blueev[] = {
1556 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1557 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1558 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1559 { 0, 0 }
1560 };
1561
1562 /* The set of possible wireless events */
1563 static struct sonypi_event sonypi_wlessev[] = {
1564 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1565 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1566 { 0, 0 }
1567 };
1568
1569 /* The set of possible back button events */
1570 static struct sonypi_event sonypi_backev[] = {
1571 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1572 { 0, 0 }
1573 };
1574
1575 /* The set of possible help button events */
1576 static struct sonypi_event sonypi_helpev[] = {
1577 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1578 { 0, 0 }
1579 };
1580
1581
1582 /* The set of possible lid events */
1583 static struct sonypi_event sonypi_lidev[] = {
1584 { 0x51, SONYPI_EVENT_LID_CLOSED },
1585 { 0x50, SONYPI_EVENT_LID_OPENED },
1586 { 0, 0 }
1587 };
1588
1589 /* The set of possible zoom events */
1590 static struct sonypi_event sonypi_zoomev[] = {
1591 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1592 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1593 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1594 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1595 { 0, 0 }
1596 };
1597
1598 /* The set of possible thumbphrase events */
1599 static struct sonypi_event sonypi_thumbphraseev[] = {
1600 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1601 { 0, 0 }
1602 };
1603
1604 /* The set of possible motioneye camera events */
1605 static struct sonypi_event sonypi_meyeev[] = {
1606 { 0x00, SONYPI_EVENT_MEYE_FACE },
1607 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1608 { 0, 0 }
1609 };
1610
1611 /* The set of possible memorystick events */
1612 static struct sonypi_event sonypi_memorystickev[] = {
1613 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1614 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1615 { 0, 0 }
1616 };
1617
1618 /* The set of possible battery events */
1619 static struct sonypi_event sonypi_batteryev[] = {
1620 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1621 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1622 { 0, 0 }
1623 };
1624
1625 /* The set of possible volume events */
1626 static struct sonypi_event sonypi_volumeev[] = {
1627 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1628 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1629 { 0, 0 }
1630 };
1631
1632 /* The set of possible brightness events */
1633 static struct sonypi_event sonypi_brightnessev[] = {
1634 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1635 { 0, 0 }
1636 };
1637
1638 static struct sonypi_eventtypes type1_events[] = {
1639 { 0, 0xffffffff, sonypi_releaseev },
1640 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1641 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1642 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1643 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1644 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1645 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1646 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1647 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1648 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1649 { 0 },
1650 };
1651 static struct sonypi_eventtypes type2_events[] = {
1652 { 0, 0xffffffff, sonypi_releaseev },
1653 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1654 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1655 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1656 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1657 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1658 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1659 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1660 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1661 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1662 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1663 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1664 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1665 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1666 { 0 },
1667 };
1668 static struct sonypi_eventtypes type3_events[] = {
1669 { 0, 0xffffffff, sonypi_releaseev },
1670 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1671 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1672 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1673 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1674 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1675 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1676 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1677 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1678 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1679 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1680 { 0 },
1681 };
1682
1683 /* low level spic calls */
1684 #define ITERATIONS_LONG 10000
1685 #define ITERATIONS_SHORT 10
1686 #define wait_on_command(command, iterations) { \
1687 unsigned int n = iterations; \
1688 while (--n && (command)) \
1689 udelay(1); \
1690 if (!n) \
1691 dprintk("command failed at %s : %s (line %d)\n", \
1692 __FILE__, __func__, __LINE__); \
1693 }
1694
1695 static u8 sony_pic_call1(u8 dev)
1696 {
1697 u8 v1, v2;
1698
1699 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1700 ITERATIONS_LONG);
1701 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1702 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1703 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1704 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1705 return v2;
1706 }
1707
1708 static u8 sony_pic_call2(u8 dev, u8 fn)
1709 {
1710 u8 v1;
1711
1712 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1713 ITERATIONS_LONG);
1714 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1715 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1716 ITERATIONS_LONG);
1717 outb(fn, spic_dev.cur_ioport->io1.minimum);
1718 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1719 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1720 return v1;
1721 }
1722
1723 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1724 {
1725 u8 v1;
1726
1727 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1728 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1729 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1730 outb(fn, spic_dev.cur_ioport->io1.minimum);
1731 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1732 outb(v, spic_dev.cur_ioport->io1.minimum);
1733 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1734 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1735 dev, fn, v, v1);
1736 return v1;
1737 }
1738
1739 /*
1740 * minidrivers for SPIC models
1741 */
1742 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1743 {
1744 /*
1745 * 0x31 could mean we have to take some extra action and wait for
1746 * the next irq for some Type3 models, it will generate a new
1747 * irq and we can read new data from the device:
1748 * - 0x5c and 0x5f requires 0xA0
1749 * - 0x61 requires 0xB3
1750 */
1751 if (data_mask == 0x31) {
1752 if (ev == 0x5c || ev == 0x5f)
1753 sony_pic_call1(0xA0);
1754 else if (ev == 0x61)
1755 sony_pic_call1(0xB3);
1756 return 0;
1757 }
1758 return 1;
1759 }
1760
1761 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1762 {
1763 struct pci_dev *pcidev;
1764
1765 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1766 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1767 if (pcidev) {
1768 dev->model = SONYPI_DEVICE_TYPE1;
1769 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1770 dev->event_types = type1_events;
1771 goto out;
1772 }
1773
1774 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1775 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1776 if (pcidev) {
1777 dev->model = SONYPI_DEVICE_TYPE2;
1778 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1779 dev->event_types = type2_events;
1780 goto out;
1781 }
1782
1783 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1784 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1785 if (pcidev) {
1786 dev->model = SONYPI_DEVICE_TYPE3;
1787 dev->handle_irq = type3_handle_irq;
1788 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1789 dev->event_types = type3_events;
1790 goto out;
1791 }
1792
1793 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1794 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1795 if (pcidev) {
1796 dev->model = SONYPI_DEVICE_TYPE3;
1797 dev->handle_irq = type3_handle_irq;
1798 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1799 dev->event_types = type3_events;
1800 goto out;
1801 }
1802
1803 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1804 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1805 if (pcidev) {
1806 dev->model = SONYPI_DEVICE_TYPE3;
1807 dev->handle_irq = type3_handle_irq;
1808 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1809 dev->event_types = type3_events;
1810 goto out;
1811 }
1812
1813 /* default */
1814 dev->model = SONYPI_DEVICE_TYPE2;
1815 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1816 dev->event_types = type2_events;
1817
1818 out:
1819 if (pcidev)
1820 pci_dev_put(pcidev);
1821
1822 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1823 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1824 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1825 }
1826
1827 /* camera tests and poweron/poweroff */
1828 #define SONYPI_CAMERA_PICTURE 5
1829 #define SONYPI_CAMERA_CONTROL 0x10
1830
1831 #define SONYPI_CAMERA_BRIGHTNESS 0
1832 #define SONYPI_CAMERA_CONTRAST 1
1833 #define SONYPI_CAMERA_HUE 2
1834 #define SONYPI_CAMERA_COLOR 3
1835 #define SONYPI_CAMERA_SHARPNESS 4
1836
1837 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1838 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1839 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1840 #define SONYPI_CAMERA_MUTE_MASK 0x40
1841
1842 /* the rest don't need a loop until not 0xff */
1843 #define SONYPI_CAMERA_AGC 6
1844 #define SONYPI_CAMERA_AGC_MASK 0x30
1845 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1846
1847 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1848 #define SONYPI_CAMERA_CONTROL 0x10
1849
1850 #define SONYPI_CAMERA_STATUS 7
1851 #define SONYPI_CAMERA_STATUS_READY 0x2
1852 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1853
1854 #define SONYPI_DIRECTION_BACKWARDS 0x4
1855
1856 #define SONYPI_CAMERA_REVISION 8
1857 #define SONYPI_CAMERA_ROMVERSION 9
1858
1859 static int __sony_pic_camera_ready(void)
1860 {
1861 u8 v;
1862
1863 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1864 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1865 }
1866
1867 static int __sony_pic_camera_off(void)
1868 {
1869 if (!camera) {
1870 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1871 return -ENODEV;
1872 }
1873
1874 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1875 SONYPI_CAMERA_MUTE_MASK),
1876 ITERATIONS_SHORT);
1877
1878 if (spic_dev.camera_power) {
1879 sony_pic_call2(0x91, 0);
1880 spic_dev.camera_power = 0;
1881 }
1882 return 0;
1883 }
1884
1885 static int __sony_pic_camera_on(void)
1886 {
1887 int i, j, x;
1888
1889 if (!camera) {
1890 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1891 return -ENODEV;
1892 }
1893
1894 if (spic_dev.camera_power)
1895 return 0;
1896
1897 for (j = 5; j > 0; j--) {
1898
1899 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1900 msleep(10);
1901 sony_pic_call1(0x93);
1902
1903 for (i = 400; i > 0; i--) {
1904 if (__sony_pic_camera_ready())
1905 break;
1906 msleep(10);
1907 }
1908 if (i)
1909 break;
1910 }
1911
1912 if (j == 0) {
1913 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1914 return -ENODEV;
1915 }
1916
1917 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1918 0x5a),
1919 ITERATIONS_SHORT);
1920
1921 spic_dev.camera_power = 1;
1922 return 0;
1923 }
1924
1925 /* External camera command (exported to the motion eye v4l driver) */
1926 int sony_pic_camera_command(int command, u8 value)
1927 {
1928 if (!camera)
1929 return -EIO;
1930
1931 mutex_lock(&spic_dev.lock);
1932
1933 switch (command) {
1934 case SONY_PIC_COMMAND_SETCAMERA:
1935 if (value)
1936 __sony_pic_camera_on();
1937 else
1938 __sony_pic_camera_off();
1939 break;
1940 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1941 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1942 ITERATIONS_SHORT);
1943 break;
1944 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1945 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1946 ITERATIONS_SHORT);
1947 break;
1948 case SONY_PIC_COMMAND_SETCAMERAHUE:
1949 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1950 ITERATIONS_SHORT);
1951 break;
1952 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1953 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1954 ITERATIONS_SHORT);
1955 break;
1956 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1957 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1958 ITERATIONS_SHORT);
1959 break;
1960 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1961 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1962 ITERATIONS_SHORT);
1963 break;
1964 case SONY_PIC_COMMAND_SETCAMERAAGC:
1965 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1966 ITERATIONS_SHORT);
1967 break;
1968 default:
1969 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1970 command);
1971 break;
1972 }
1973 mutex_unlock(&spic_dev.lock);
1974 return 0;
1975 }
1976 EXPORT_SYMBOL(sony_pic_camera_command);
1977
1978 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1979 static void __sony_pic_set_wwanpower(u8 state)
1980 {
1981 state = !!state;
1982 if (spic_dev.wwan_power == state)
1983 return;
1984 sony_pic_call2(0xB0, state);
1985 sony_pic_call1(0x82);
1986 spic_dev.wwan_power = state;
1987 }
1988
1989 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1990 struct device_attribute *attr,
1991 const char *buffer, size_t count)
1992 {
1993 unsigned long value;
1994 if (count > 31)
1995 return -EINVAL;
1996
1997 value = simple_strtoul(buffer, NULL, 10);
1998 mutex_lock(&spic_dev.lock);
1999 __sony_pic_set_wwanpower(value);
2000 mutex_unlock(&spic_dev.lock);
2001
2002 return count;
2003 }
2004
2005 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2006 struct device_attribute *attr, char *buffer)
2007 {
2008 ssize_t count;
2009 mutex_lock(&spic_dev.lock);
2010 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2011 mutex_unlock(&spic_dev.lock);
2012 return count;
2013 }
2014
2015 /* bluetooth subsystem power state */
2016 static void __sony_pic_set_bluetoothpower(u8 state)
2017 {
2018 state = !!state;
2019 if (spic_dev.bluetooth_power == state)
2020 return;
2021 sony_pic_call2(0x96, state);
2022 sony_pic_call1(0x82);
2023 spic_dev.bluetooth_power = state;
2024 }
2025
2026 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2027 struct device_attribute *attr,
2028 const char *buffer, size_t count)
2029 {
2030 unsigned long value;
2031 if (count > 31)
2032 return -EINVAL;
2033
2034 value = simple_strtoul(buffer, NULL, 10);
2035 mutex_lock(&spic_dev.lock);
2036 __sony_pic_set_bluetoothpower(value);
2037 mutex_unlock(&spic_dev.lock);
2038
2039 return count;
2040 }
2041
2042 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2043 struct device_attribute *attr, char *buffer)
2044 {
2045 ssize_t count = 0;
2046 mutex_lock(&spic_dev.lock);
2047 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2048 mutex_unlock(&spic_dev.lock);
2049 return count;
2050 }
2051
2052 /* fan speed */
2053 /* FAN0 information (reverse engineered from ACPI tables) */
2054 #define SONY_PIC_FAN0_STATUS 0x93
2055 static int sony_pic_set_fanspeed(unsigned long value)
2056 {
2057 return ec_write(SONY_PIC_FAN0_STATUS, value);
2058 }
2059
2060 static int sony_pic_get_fanspeed(u8 *value)
2061 {
2062 return ec_read(SONY_PIC_FAN0_STATUS, value);
2063 }
2064
2065 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2066 struct device_attribute *attr,
2067 const char *buffer, size_t count)
2068 {
2069 unsigned long value;
2070 if (count > 31)
2071 return -EINVAL;
2072
2073 value = simple_strtoul(buffer, NULL, 10);
2074 if (sony_pic_set_fanspeed(value))
2075 return -EIO;
2076
2077 return count;
2078 }
2079
2080 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2081 struct device_attribute *attr, char *buffer)
2082 {
2083 u8 value = 0;
2084 if (sony_pic_get_fanspeed(&value))
2085 return -EIO;
2086
2087 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2088 }
2089
2090 #define SPIC_ATTR(_name, _mode) \
2091 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2092 _mode, sony_pic_## _name ##_show, \
2093 sony_pic_## _name ##_store)
2094
2095 static SPIC_ATTR(bluetoothpower, 0644);
2096 static SPIC_ATTR(wwanpower, 0644);
2097 static SPIC_ATTR(fanspeed, 0644);
2098
2099 static struct attribute *spic_attributes[] = {
2100 &spic_attr_bluetoothpower.attr,
2101 &spic_attr_wwanpower.attr,
2102 &spic_attr_fanspeed.attr,
2103 NULL
2104 };
2105
2106 static struct attribute_group spic_attribute_group = {
2107 .attrs = spic_attributes
2108 };
2109
2110 /******** SONYPI compatibility **********/
2111 #ifdef CONFIG_SONYPI_COMPAT
2112
2113 /* battery / brightness / temperature addresses */
2114 #define SONYPI_BAT_FLAGS 0x81
2115 #define SONYPI_LCD_LIGHT 0x96
2116 #define SONYPI_BAT1_PCTRM 0xa0
2117 #define SONYPI_BAT1_LEFT 0xa2
2118 #define SONYPI_BAT1_MAXRT 0xa4
2119 #define SONYPI_BAT2_PCTRM 0xa8
2120 #define SONYPI_BAT2_LEFT 0xaa
2121 #define SONYPI_BAT2_MAXRT 0xac
2122 #define SONYPI_BAT1_MAXTK 0xb0
2123 #define SONYPI_BAT1_FULL 0xb2
2124 #define SONYPI_BAT2_MAXTK 0xb8
2125 #define SONYPI_BAT2_FULL 0xba
2126 #define SONYPI_TEMP_STATUS 0xC1
2127
2128 struct sonypi_compat_s {
2129 struct fasync_struct *fifo_async;
2130 struct kfifo fifo;
2131 spinlock_t fifo_lock;
2132 wait_queue_head_t fifo_proc_list;
2133 atomic_t open_count;
2134 };
2135 static struct sonypi_compat_s sonypi_compat = {
2136 .open_count = ATOMIC_INIT(0),
2137 };
2138
2139 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2140 {
2141 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2142 }
2143
2144 static int sonypi_misc_release(struct inode *inode, struct file *file)
2145 {
2146 atomic_dec(&sonypi_compat.open_count);
2147 return 0;
2148 }
2149
2150 static int sonypi_misc_open(struct inode *inode, struct file *file)
2151 {
2152 /* Flush input queue on first open */
2153 unsigned long flags;
2154
2155 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2156
2157 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2158 kfifo_reset(&sonypi_compat.fifo);
2159
2160 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2161
2162 return 0;
2163 }
2164
2165 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2166 size_t count, loff_t *pos)
2167 {
2168 ssize_t ret;
2169 unsigned char c;
2170
2171 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2172 (file->f_flags & O_NONBLOCK))
2173 return -EAGAIN;
2174
2175 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2176 kfifo_len(&sonypi_compat.fifo) != 0);
2177 if (ret)
2178 return ret;
2179
2180 while (ret < count &&
2181 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2182 &sonypi_compat.fifo_lock) == sizeof(c))) {
2183 if (put_user(c, buf++))
2184 return -EFAULT;
2185 ret++;
2186 }
2187
2188 if (ret > 0) {
2189 struct inode *inode = file->f_path.dentry->d_inode;
2190 inode->i_atime = current_fs_time(inode->i_sb);
2191 }
2192
2193 return ret;
2194 }
2195
2196 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2197 {
2198 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2199 if (kfifo_len(&sonypi_compat.fifo))
2200 return POLLIN | POLLRDNORM;
2201 return 0;
2202 }
2203
2204 static int ec_read16(u8 addr, u16 *value)
2205 {
2206 u8 val_lb, val_hb;
2207 if (ec_read(addr, &val_lb))
2208 return -1;
2209 if (ec_read(addr + 1, &val_hb))
2210 return -1;
2211 *value = val_lb | (val_hb << 8);
2212 return 0;
2213 }
2214
2215 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2216 unsigned long arg)
2217 {
2218 int ret = 0;
2219 void __user *argp = (void __user *)arg;
2220 u8 val8;
2221 u16 val16;
2222 int value;
2223
2224 mutex_lock(&spic_dev.lock);
2225 switch (cmd) {
2226 case SONYPI_IOCGBRT:
2227 if (sony_backlight_device == NULL) {
2228 ret = -EIO;
2229 break;
2230 }
2231 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2232 ret = -EIO;
2233 break;
2234 }
2235 val8 = ((value & 0xff) - 1) << 5;
2236 if (copy_to_user(argp, &val8, sizeof(val8)))
2237 ret = -EFAULT;
2238 break;
2239 case SONYPI_IOCSBRT:
2240 if (sony_backlight_device == NULL) {
2241 ret = -EIO;
2242 break;
2243 }
2244 if (copy_from_user(&val8, argp, sizeof(val8))) {
2245 ret = -EFAULT;
2246 break;
2247 }
2248 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2249 (val8 >> 5) + 1, NULL)) {
2250 ret = -EIO;
2251 break;
2252 }
2253 /* sync the backlight device status */
2254 sony_backlight_device->props.brightness =
2255 sony_backlight_get_brightness(sony_backlight_device);
2256 break;
2257 case SONYPI_IOCGBAT1CAP:
2258 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2259 ret = -EIO;
2260 break;
2261 }
2262 if (copy_to_user(argp, &val16, sizeof(val16)))
2263 ret = -EFAULT;
2264 break;
2265 case SONYPI_IOCGBAT1REM:
2266 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2267 ret = -EIO;
2268 break;
2269 }
2270 if (copy_to_user(argp, &val16, sizeof(val16)))
2271 ret = -EFAULT;
2272 break;
2273 case SONYPI_IOCGBAT2CAP:
2274 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2275 ret = -EIO;
2276 break;
2277 }
2278 if (copy_to_user(argp, &val16, sizeof(val16)))
2279 ret = -EFAULT;
2280 break;
2281 case SONYPI_IOCGBAT2REM:
2282 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2283 ret = -EIO;
2284 break;
2285 }
2286 if (copy_to_user(argp, &val16, sizeof(val16)))
2287 ret = -EFAULT;
2288 break;
2289 case SONYPI_IOCGBATFLAGS:
2290 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2291 ret = -EIO;
2292 break;
2293 }
2294 val8 &= 0x07;
2295 if (copy_to_user(argp, &val8, sizeof(val8)))
2296 ret = -EFAULT;
2297 break;
2298 case SONYPI_IOCGBLUE:
2299 val8 = spic_dev.bluetooth_power;
2300 if (copy_to_user(argp, &val8, sizeof(val8)))
2301 ret = -EFAULT;
2302 break;
2303 case SONYPI_IOCSBLUE:
2304 if (copy_from_user(&val8, argp, sizeof(val8))) {
2305 ret = -EFAULT;
2306 break;
2307 }
2308 __sony_pic_set_bluetoothpower(val8);
2309 break;
2310 /* FAN Controls */
2311 case SONYPI_IOCGFAN:
2312 if (sony_pic_get_fanspeed(&val8)) {
2313 ret = -EIO;
2314 break;
2315 }
2316 if (copy_to_user(argp, &val8, sizeof(val8)))
2317 ret = -EFAULT;
2318 break;
2319 case SONYPI_IOCSFAN:
2320 if (copy_from_user(&val8, argp, sizeof(val8))) {
2321 ret = -EFAULT;
2322 break;
2323 }
2324 if (sony_pic_set_fanspeed(val8))
2325 ret = -EIO;
2326 break;
2327 /* GET Temperature (useful under APM) */
2328 case SONYPI_IOCGTEMP:
2329 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2330 ret = -EIO;
2331 break;
2332 }
2333 if (copy_to_user(argp, &val8, sizeof(val8)))
2334 ret = -EFAULT;
2335 break;
2336 default:
2337 ret = -EINVAL;
2338 }
2339 mutex_unlock(&spic_dev.lock);
2340 return ret;
2341 }
2342
2343 static const struct file_operations sonypi_misc_fops = {
2344 .owner = THIS_MODULE,
2345 .read = sonypi_misc_read,
2346 .poll = sonypi_misc_poll,
2347 .open = sonypi_misc_open,
2348 .release = sonypi_misc_release,
2349 .fasync = sonypi_misc_fasync,
2350 .unlocked_ioctl = sonypi_misc_ioctl,
2351 };
2352
2353 static struct miscdevice sonypi_misc_device = {
2354 .minor = MISC_DYNAMIC_MINOR,
2355 .name = "sonypi",
2356 .fops = &sonypi_misc_fops,
2357 };
2358
2359 static void sonypi_compat_report_event(u8 event)
2360 {
2361 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2362 sizeof(event), &sonypi_compat.fifo_lock);
2363 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2364 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2365 }
2366
2367 static int sonypi_compat_init(void)
2368 {
2369 int error;
2370
2371 spin_lock_init(&sonypi_compat.fifo_lock);
2372 error =
2373 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2374 if (error) {
2375 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2376 return error;
2377 }
2378
2379 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2380
2381 if (minor != -1)
2382 sonypi_misc_device.minor = minor;
2383 error = misc_register(&sonypi_misc_device);
2384 if (error) {
2385 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2386 goto err_free_kfifo;
2387 }
2388 if (minor == -1)
2389 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2390 sonypi_misc_device.minor);
2391
2392 return 0;
2393
2394 err_free_kfifo:
2395 kfifo_free(&sonypi_compat.fifo);
2396 return error;
2397 }
2398
2399 static void sonypi_compat_exit(void)
2400 {
2401 misc_deregister(&sonypi_misc_device);
2402 kfifo_free(&sonypi_compat.fifo);
2403 }
2404 #else
2405 static int sonypi_compat_init(void) { return 0; }
2406 static void sonypi_compat_exit(void) { }
2407 static void sonypi_compat_report_event(u8 event) { }
2408 #endif /* CONFIG_SONYPI_COMPAT */
2409
2410 /*
2411 * ACPI callbacks
2412 */
2413 static acpi_status
2414 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2415 {
2416 u32 i;
2417 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2418
2419 switch (resource->type) {
2420 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2421 {
2422 /* start IO enumeration */
2423 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2424 if (!ioport)
2425 return AE_ERROR;
2426
2427 list_add(&ioport->list, &dev->ioports);
2428 return AE_OK;
2429 }
2430
2431 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2432 /* end IO enumeration */
2433 return AE_OK;
2434
2435 case ACPI_RESOURCE_TYPE_IRQ:
2436 {
2437 struct acpi_resource_irq *p = &resource->data.irq;
2438 struct sony_pic_irq *interrupt = NULL;
2439 if (!p || !p->interrupt_count) {
2440 /*
2441 * IRQ descriptors may have no IRQ# bits set,
2442 * particularly those those w/ _STA disabled
2443 */
2444 dprintk("Blank IRQ resource\n");
2445 return AE_OK;
2446 }
2447 for (i = 0; i < p->interrupt_count; i++) {
2448 if (!p->interrupts[i]) {
2449 printk(KERN_WARNING DRV_PFX
2450 "Invalid IRQ %d\n",
2451 p->interrupts[i]);
2452 continue;
2453 }
2454 interrupt = kzalloc(sizeof(*interrupt),
2455 GFP_KERNEL);
2456 if (!interrupt)
2457 return AE_ERROR;
2458
2459 list_add(&interrupt->list, &dev->interrupts);
2460 interrupt->irq.triggering = p->triggering;
2461 interrupt->irq.polarity = p->polarity;
2462 interrupt->irq.sharable = p->sharable;
2463 interrupt->irq.interrupt_count = 1;
2464 interrupt->irq.interrupts[0] = p->interrupts[i];
2465 }
2466 return AE_OK;
2467 }
2468 case ACPI_RESOURCE_TYPE_IO:
2469 {
2470 struct acpi_resource_io *io = &resource->data.io;
2471 struct sony_pic_ioport *ioport =
2472 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2473 if (!io) {
2474 dprintk("Blank IO resource\n");
2475 return AE_OK;
2476 }
2477
2478 if (!ioport->io1.minimum) {
2479 memcpy(&ioport->io1, io, sizeof(*io));
2480 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2481 ioport->io1.address_length);
2482 }
2483 else if (!ioport->io2.minimum) {
2484 memcpy(&ioport->io2, io, sizeof(*io));
2485 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2486 ioport->io2.address_length);
2487 }
2488 else {
2489 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2490 return AE_ERROR;
2491 }
2492 return AE_OK;
2493 }
2494 default:
2495 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2496 resource->type);
2497
2498 case ACPI_RESOURCE_TYPE_END_TAG:
2499 return AE_OK;
2500 }
2501 return AE_CTRL_TERMINATE;
2502 }
2503
2504 static int sony_pic_possible_resources(struct acpi_device *device)
2505 {
2506 int result = 0;
2507 acpi_status status = AE_OK;
2508
2509 if (!device)
2510 return -EINVAL;
2511
2512 /* get device status */
2513 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2514 dprintk("Evaluating _STA\n");
2515 result = acpi_bus_get_status(device);
2516 if (result) {
2517 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2518 goto end;
2519 }
2520
2521 if (!device->status.enabled)
2522 dprintk("Device disabled\n");
2523 else
2524 dprintk("Device enabled\n");
2525
2526 /*
2527 * Query and parse 'method'
2528 */
2529 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2530 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2531 sony_pic_read_possible_resource, &spic_dev);
2532 if (ACPI_FAILURE(status)) {
2533 printk(KERN_WARNING DRV_PFX
2534 "Failure evaluating %s\n",
2535 METHOD_NAME__PRS);
2536 result = -ENODEV;
2537 }
2538 end:
2539 return result;
2540 }
2541
2542 /*
2543 * Disable the spic device by calling its _DIS method
2544 */
2545 static int sony_pic_disable(struct acpi_device *device)
2546 {
2547 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2548 NULL);
2549
2550 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2551 return -ENXIO;
2552
2553 dprintk("Device disabled\n");
2554 return 0;
2555 }
2556
2557
2558 /*
2559 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2560 *
2561 * Call _SRS to set current resources
2562 */
2563 static int sony_pic_enable(struct acpi_device *device,
2564 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2565 {
2566 acpi_status status;
2567 int result = 0;
2568 /* Type 1 resource layout is:
2569 * IO
2570 * IO
2571 * IRQNoFlags
2572 * End
2573 *
2574 * Type 2 and 3 resource layout is:
2575 * IO
2576 * IRQNoFlags
2577 * End
2578 */
2579 struct {
2580 struct acpi_resource res1;
2581 struct acpi_resource res2;
2582 struct acpi_resource res3;
2583 struct acpi_resource res4;
2584 } *resource;
2585 struct acpi_buffer buffer = { 0, NULL };
2586
2587 if (!ioport || !irq)
2588 return -EINVAL;
2589
2590 /* init acpi_buffer */
2591 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2592 if (!resource)
2593 return -ENOMEM;
2594
2595 buffer.length = sizeof(*resource) + 1;
2596 buffer.pointer = resource;
2597
2598 /* setup Type 1 resources */
2599 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2600
2601 /* setup io resources */
2602 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2603 resource->res1.length = sizeof(struct acpi_resource);
2604 memcpy(&resource->res1.data.io, &ioport->io1,
2605 sizeof(struct acpi_resource_io));
2606
2607 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2608 resource->res2.length = sizeof(struct acpi_resource);
2609 memcpy(&resource->res2.data.io, &ioport->io2,
2610 sizeof(struct acpi_resource_io));
2611
2612 /* setup irq resource */
2613 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2614 resource->res3.length = sizeof(struct acpi_resource);
2615 memcpy(&resource->res3.data.irq, &irq->irq,
2616 sizeof(struct acpi_resource_irq));
2617 /* we requested a shared irq */
2618 resource->res3.data.irq.sharable = ACPI_SHARED;
2619
2620 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2621
2622 }
2623 /* setup Type 2/3 resources */
2624 else {
2625 /* setup io resource */
2626 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2627 resource->res1.length = sizeof(struct acpi_resource);
2628 memcpy(&resource->res1.data.io, &ioport->io1,
2629 sizeof(struct acpi_resource_io));
2630
2631 /* setup irq resource */
2632 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2633 resource->res2.length = sizeof(struct acpi_resource);
2634 memcpy(&resource->res2.data.irq, &irq->irq,
2635 sizeof(struct acpi_resource_irq));
2636 /* we requested a shared irq */
2637 resource->res2.data.irq.sharable = ACPI_SHARED;
2638
2639 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2640 }
2641
2642 /* Attempt to set the resource */
2643 dprintk("Evaluating _SRS\n");
2644 status = acpi_set_current_resources(device->handle, &buffer);
2645
2646 /* check for total failure */
2647 if (ACPI_FAILURE(status)) {
2648 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2649 result = -ENODEV;
2650 goto end;
2651 }
2652
2653 /* Necessary device initializations calls (from sonypi) */
2654 sony_pic_call1(0x82);
2655 sony_pic_call2(0x81, 0xff);
2656 sony_pic_call1(compat ? 0x92 : 0x82);
2657
2658 end:
2659 kfree(resource);
2660 return result;
2661 }
2662
2663 /*****************
2664 *
2665 * ISR: some event is available
2666 *
2667 *****************/
2668 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2669 {
2670 int i, j;
2671 u8 ev = 0;
2672 u8 data_mask = 0;
2673 u8 device_event = 0;
2674
2675 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2676
2677 ev = inb_p(dev->cur_ioport->io1.minimum);
2678 if (dev->cur_ioport->io2.minimum)
2679 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2680 else
2681 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2682 dev->evport_offset);
2683
2684 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2685 ev, data_mask, dev->cur_ioport->io1.minimum,
2686 dev->evport_offset);
2687
2688 if (ev == 0x00 || ev == 0xff)
2689 return IRQ_HANDLED;
2690
2691 for (i = 0; dev->event_types[i].mask; i++) {
2692
2693 if ((data_mask & dev->event_types[i].data) !=
2694 dev->event_types[i].data)
2695 continue;
2696
2697 if (!(mask & dev->event_types[i].mask))
2698 continue;
2699
2700 for (j = 0; dev->event_types[i].events[j].event; j++) {
2701 if (ev == dev->event_types[i].events[j].data) {
2702 device_event =
2703 dev->event_types[i].events[j].event;
2704 goto found;
2705 }
2706 }
2707 }
2708 /* Still not able to decode the event try to pass
2709 * it over to the minidriver
2710 */
2711 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2712 return IRQ_HANDLED;
2713
2714 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2715 ev, data_mask, dev->cur_ioport->io1.minimum,
2716 dev->evport_offset);
2717 return IRQ_HANDLED;
2718
2719 found:
2720 sony_laptop_report_input_event(device_event);
2721 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2722 sonypi_compat_report_event(device_event);
2723
2724 return IRQ_HANDLED;
2725 }
2726
2727 /*****************
2728 *
2729 * ACPI driver
2730 *
2731 *****************/
2732 static int sony_pic_remove(struct acpi_device *device, int type)
2733 {
2734 struct sony_pic_ioport *io, *tmp_io;
2735 struct sony_pic_irq *irq, *tmp_irq;
2736
2737 if (sony_pic_disable(device)) {
2738 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2739 return -ENXIO;
2740 }
2741
2742 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2743 release_region(spic_dev.cur_ioport->io1.minimum,
2744 spic_dev.cur_ioport->io1.address_length);
2745 if (spic_dev.cur_ioport->io2.minimum)
2746 release_region(spic_dev.cur_ioport->io2.minimum,
2747 spic_dev.cur_ioport->io2.address_length);
2748
2749 sonypi_compat_exit();
2750
2751 sony_laptop_remove_input();
2752
2753 /* pf attrs */
2754 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2755 sony_pf_remove();
2756
2757 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2758 list_del(&io->list);
2759 kfree(io);
2760 }
2761 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2762 list_del(&irq->list);
2763 kfree(irq);
2764 }
2765 spic_dev.cur_ioport = NULL;
2766 spic_dev.cur_irq = NULL;
2767
2768 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2769 return 0;
2770 }
2771
2772 static int sony_pic_add(struct acpi_device *device)
2773 {
2774 int result;
2775 struct sony_pic_ioport *io, *tmp_io;
2776 struct sony_pic_irq *irq, *tmp_irq;
2777
2778 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2779 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2780
2781 spic_dev.acpi_dev = device;
2782 strcpy(acpi_device_class(device), "sony/hotkey");
2783 sony_pic_detect_device_type(&spic_dev);
2784 mutex_init(&spic_dev.lock);
2785
2786 /* read _PRS resources */
2787 result = sony_pic_possible_resources(device);
2788 if (result) {
2789 printk(KERN_ERR DRV_PFX
2790 "Unable to read possible resources.\n");
2791 goto err_free_resources;
2792 }
2793
2794 /* setup input devices and helper fifo */
2795 result = sony_laptop_setup_input(device);
2796 if (result) {
2797 printk(KERN_ERR DRV_PFX
2798 "Unable to create input devices.\n");
2799 goto err_free_resources;
2800 }
2801
2802 if (sonypi_compat_init())
2803 goto err_remove_input;
2804
2805 /* request io port */
2806 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2807 if (request_region(io->io1.minimum, io->io1.address_length,
2808 "Sony Programable I/O Device")) {
2809 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2810 io->io1.minimum, io->io1.maximum,
2811 io->io1.address_length);
2812 /* Type 1 have 2 ioports */
2813 if (io->io2.minimum) {
2814 if (request_region(io->io2.minimum,
2815 io->io2.address_length,
2816 "Sony Programable I/O Device")) {
2817 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2818 io->io2.minimum, io->io2.maximum,
2819 io->io2.address_length);
2820 spic_dev.cur_ioport = io;
2821 break;
2822 }
2823 else {
2824 dprintk("Unable to get I/O port2: "
2825 "0x%.4x (0x%.4x) + 0x%.2x\n",
2826 io->io2.minimum, io->io2.maximum,
2827 io->io2.address_length);
2828 release_region(io->io1.minimum,
2829 io->io1.address_length);
2830 }
2831 }
2832 else {
2833 spic_dev.cur_ioport = io;
2834 break;
2835 }
2836 }
2837 }
2838 if (!spic_dev.cur_ioport) {
2839 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2840 result = -ENODEV;
2841 goto err_remove_compat;
2842 }
2843
2844 /* request IRQ */
2845 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2846 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2847 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2848 dprintk("IRQ: %d - triggering: %d - "
2849 "polarity: %d - shr: %d\n",
2850 irq->irq.interrupts[0],
2851 irq->irq.triggering,
2852 irq->irq.polarity,
2853 irq->irq.sharable);
2854 spic_dev.cur_irq = irq;
2855 break;
2856 }
2857 }
2858 if (!spic_dev.cur_irq) {
2859 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2860 result = -ENODEV;
2861 goto err_release_region;
2862 }
2863
2864 /* set resource status _SRS */
2865 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2866 if (result) {
2867 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2868 goto err_free_irq;
2869 }
2870
2871 spic_dev.bluetooth_power = -1;
2872 /* create device attributes */
2873 result = sony_pf_add();
2874 if (result)
2875 goto err_disable_device;
2876
2877 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2878 if (result)
2879 goto err_remove_pf;
2880
2881 return 0;
2882
2883 err_remove_pf:
2884 sony_pf_remove();
2885
2886 err_disable_device:
2887 sony_pic_disable(device);
2888
2889 err_free_irq:
2890 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2891
2892 err_release_region:
2893 release_region(spic_dev.cur_ioport->io1.minimum,
2894 spic_dev.cur_ioport->io1.address_length);
2895 if (spic_dev.cur_ioport->io2.minimum)
2896 release_region(spic_dev.cur_ioport->io2.minimum,
2897 spic_dev.cur_ioport->io2.address_length);
2898
2899 err_remove_compat:
2900 sonypi_compat_exit();
2901
2902 err_remove_input:
2903 sony_laptop_remove_input();
2904
2905 err_free_resources:
2906 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2907 list_del(&io->list);
2908 kfree(io);
2909 }
2910 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2911 list_del(&irq->list);
2912 kfree(irq);
2913 }
2914 spic_dev.cur_ioport = NULL;
2915 spic_dev.cur_irq = NULL;
2916
2917 return result;
2918 }
2919
2920 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2921 {
2922 if (sony_pic_disable(device))
2923 return -ENXIO;
2924 return 0;
2925 }
2926
2927 static int sony_pic_resume(struct acpi_device *device)
2928 {
2929 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2930 return 0;
2931 }
2932
2933 static const struct acpi_device_id sony_pic_device_ids[] = {
2934 {SONY_PIC_HID, 0},
2935 {"", 0},
2936 };
2937
2938 static struct acpi_driver sony_pic_driver = {
2939 .name = SONY_PIC_DRIVER_NAME,
2940 .class = SONY_PIC_CLASS,
2941 .ids = sony_pic_device_ids,
2942 .owner = THIS_MODULE,
2943 .ops = {
2944 .add = sony_pic_add,
2945 .remove = sony_pic_remove,
2946 .suspend = sony_pic_suspend,
2947 .resume = sony_pic_resume,
2948 },
2949 };
2950
2951 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2952 {
2953 .ident = "Sony Vaio",
2954 .matches = {
2955 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2956 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2957 },
2958 },
2959 {
2960 .ident = "Sony Vaio",
2961 .matches = {
2962 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2963 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2964 },
2965 },
2966 { }
2967 };
2968
2969 static int __init sony_laptop_init(void)
2970 {
2971 int result;
2972
2973 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2974 result = acpi_bus_register_driver(&sony_pic_driver);
2975 if (result) {
2976 printk(KERN_ERR DRV_PFX
2977 "Unable to register SPIC driver.");
2978 goto out;
2979 }
2980 spic_drv_registered = 1;
2981 }
2982
2983 result = acpi_bus_register_driver(&sony_nc_driver);
2984 if (result) {
2985 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2986 goto out_unregister_pic;
2987 }
2988
2989 return 0;
2990
2991 out_unregister_pic:
2992 if (spic_drv_registered)
2993 acpi_bus_unregister_driver(&sony_pic_driver);
2994 out:
2995 return result;
2996 }
2997
2998 static void __exit sony_laptop_exit(void)
2999 {
3000 acpi_bus_unregister_driver(&sony_nc_driver);
3001 if (spic_drv_registered)
3002 acpi_bus_unregister_driver(&sony_pic_driver);
3003 }
3004
3005 module_init(sony_laptop_init);
3006 module_exit(sony_laptop_exit);
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