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Commit | Line | Data |
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6f2fad74 NB |
1 | /* |
2 | * drivers/hwmon/applesmc.c - driver for Apple's SMC (accelerometer, temperature | |
3 | * sensors, fan control, keyboard backlight control) used in Intel-based Apple | |
4 | * computers. | |
5 | * | |
6 | * Copyright (C) 2007 Nicolas Boichat <nicolas@boichat.ch> | |
7 | * | |
8 | * Based on hdaps.c driver: | |
9 | * Copyright (C) 2005 Robert Love <rml@novell.com> | |
10 | * Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com> | |
11 | * | |
12 | * Fan control based on smcFanControl: | |
13 | * Copyright (C) 2006 Hendrik Holtmann <holtmann@mac.com> | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify it | |
16 | * under the terms of the GNU General Public License v2 as published by the | |
17 | * Free Software Foundation. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
20 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
21 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
22 | * more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License along with | |
25 | * this program; if not, write to the Free Software Foundation, Inc., | |
26 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA | |
27 | */ | |
28 | ||
29 | #include <linux/delay.h> | |
30 | #include <linux/platform_device.h> | |
d5cf2b99 | 31 | #include <linux/input-polldev.h> |
6f2fad74 NB |
32 | #include <linux/kernel.h> |
33 | #include <linux/module.h> | |
34 | #include <linux/timer.h> | |
35 | #include <linux/dmi.h> | |
36 | #include <linux/mutex.h> | |
37 | #include <linux/hwmon-sysfs.h> | |
38 | #include <asm/io.h> | |
39 | #include <linux/leds.h> | |
40 | #include <linux/hwmon.h> | |
41 | #include <linux/workqueue.h> | |
42 | ||
43 | /* data port used by Apple SMC */ | |
44 | #define APPLESMC_DATA_PORT 0x300 | |
45 | /* command/status port used by Apple SMC */ | |
46 | #define APPLESMC_CMD_PORT 0x304 | |
47 | ||
48 | #define APPLESMC_NR_PORTS 32 /* 0x300-0x31f */ | |
49 | ||
50 | #define APPLESMC_MAX_DATA_LENGTH 32 | |
51 | ||
52 | #define APPLESMC_STATUS_MASK 0x0f | |
53 | #define APPLESMC_READ_CMD 0x10 | |
54 | #define APPLESMC_WRITE_CMD 0x11 | |
55 | #define APPLESMC_GET_KEY_BY_INDEX_CMD 0x12 | |
56 | #define APPLESMC_GET_KEY_TYPE_CMD 0x13 | |
57 | ||
58 | #define KEY_COUNT_KEY "#KEY" /* r-o ui32 */ | |
59 | ||
8bd1a12a HR |
60 | #define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6-10 bytes) */ |
61 | #define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6-10 bytes) */ | |
d5cf2b99 | 62 | #define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ |
6f2fad74 | 63 | |
d5cf2b99 | 64 | #define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ |
6f2fad74 NB |
65 | |
66 | #define MOTION_SENSOR_X_KEY "MO_X" /* r-o sp78 (2 bytes) */ | |
67 | #define MOTION_SENSOR_Y_KEY "MO_Y" /* r-o sp78 (2 bytes) */ | |
68 | #define MOTION_SENSOR_Z_KEY "MO_Z" /* r-o sp78 (2 bytes) */ | |
69 | #define MOTION_SENSOR_KEY "MOCN" /* r/w ui16 */ | |
70 | ||
71 | #define FANS_COUNT "FNum" /* r-o ui8 */ | |
72 | #define FANS_MANUAL "FS! " /* r-w ui16 */ | |
73 | #define FAN_ACTUAL_SPEED "F0Ac" /* r-o fpe2 (2 bytes) */ | |
74 | #define FAN_MIN_SPEED "F0Mn" /* r-o fpe2 (2 bytes) */ | |
75 | #define FAN_MAX_SPEED "F0Mx" /* r-o fpe2 (2 bytes) */ | |
76 | #define FAN_SAFE_SPEED "F0Sf" /* r-o fpe2 (2 bytes) */ | |
77 | #define FAN_TARGET_SPEED "F0Tg" /* r-w fpe2 (2 bytes) */ | |
78 | #define FAN_POSITION "F0ID" /* r-o char[16] */ | |
79 | ||
80 | /* | |
81 | * Temperature sensors keys (sp78 - 2 bytes). | |
6f2fad74 | 82 | */ |
8de57709 | 83 | static const char* temperature_sensors_sets[][36] = { |
1bed24b9 | 84 | /* Set 0: Macbook Pro */ |
6f2fad74 NB |
85 | { "TA0P", "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "Th0H", |
86 | "Th1H", "Tm0P", "Ts0P", "Ts1P", NULL }, | |
cd19ba13 RO |
87 | /* Set 1: Macbook2 set */ |
88 | { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "TTF0", "Th0H", | |
89 | "Th0S", "Th1H", NULL }, | |
90 | /* Set 2: Macbook set */ | |
1bed24b9 MS |
91 | { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "Th0H", "Th0S", |
92 | "Th1H", "Ts0P", NULL }, | |
cd19ba13 | 93 | /* Set 3: Macmini set */ |
8de57709 | 94 | { "TC0D", "TC0P", NULL }, |
cd19ba13 | 95 | /* Set 4: Mac Pro (2 x Quad-Core) */ |
8de57709 RR |
96 | { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P", |
97 | "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "THTG", "TH0P", | |
98 | "TH1P", "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S", | |
99 | "TM1P", "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P", | |
100 | "TM9S", "TN0H", "TS0C", NULL }, | |
9f86f28d RDI |
101 | /* Set 5: iMac */ |
102 | { "TC0D", "TA0P", "TG0P", "TG0D", "TG0H", "TH0P", "Tm0P", "TO0P", | |
103 | "Tp0C", NULL }, | |
f91a79fe GS |
104 | /* Set 6: Macbook3 set */ |
105 | { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TTF0", "TW0P", "Th0H", | |
106 | "Th0S", "Th1H", NULL }, | |
f5274c97 HR |
107 | /* Set 7: Macbook Air */ |
108 | { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TC0P", "TCFP", | |
109 | "TTF0", "TW0P", "Th0H", "Tp0P", "TpFP", "Ts0P", "Ts0S", NULL }, | |
d7549905 HR |
110 | /* Set 8: Macbook Pro 4,1 (Penryn) */ |
111 | { "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H", | |
112 | "Th1H", "Th2H", "Tm0P", "Ts0P", NULL }, | |
6f2fad74 NB |
113 | }; |
114 | ||
115 | /* List of keys used to read/write fan speeds */ | |
116 | static const char* fan_speed_keys[] = { | |
117 | FAN_ACTUAL_SPEED, | |
118 | FAN_MIN_SPEED, | |
119 | FAN_MAX_SPEED, | |
120 | FAN_SAFE_SPEED, | |
121 | FAN_TARGET_SPEED | |
122 | }; | |
123 | ||
124 | #define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */ | |
125 | #define INIT_WAIT_MSECS 50 /* ... in 50ms increments */ | |
126 | ||
d5cf2b99 | 127 | #define APPLESMC_POLL_INTERVAL 50 /* msecs */ |
6f2fad74 NB |
128 | #define APPLESMC_INPUT_FUZZ 4 /* input event threshold */ |
129 | #define APPLESMC_INPUT_FLAT 4 | |
130 | ||
131 | #define SENSOR_X 0 | |
132 | #define SENSOR_Y 1 | |
133 | #define SENSOR_Z 2 | |
134 | ||
135 | /* Structure to be passed to DMI_MATCH function */ | |
136 | struct dmi_match_data { | |
137 | /* Indicates whether this computer has an accelerometer. */ | |
138 | int accelerometer; | |
139 | /* Indicates whether this computer has light sensors and keyboard backlight. */ | |
140 | int light; | |
141 | /* Indicates which temperature sensors set to use. */ | |
142 | int temperature_set; | |
143 | }; | |
144 | ||
145 | static const int debug; | |
146 | static struct platform_device *pdev; | |
147 | static s16 rest_x; | |
148 | static s16 rest_y; | |
1beeffe4 | 149 | static struct device *hwmon_dev; |
d5cf2b99 | 150 | static struct input_polled_dev *applesmc_idev; |
6f2fad74 NB |
151 | |
152 | /* Indicates whether this computer has an accelerometer. */ | |
153 | static unsigned int applesmc_accelerometer; | |
154 | ||
155 | /* Indicates whether this computer has light sensors and keyboard backlight. */ | |
156 | static unsigned int applesmc_light; | |
157 | ||
158 | /* Indicates which temperature sensors set to use. */ | |
159 | static unsigned int applesmc_temperature_set; | |
160 | ||
d5cf2b99 | 161 | static DEFINE_MUTEX(applesmc_lock); |
6f2fad74 NB |
162 | |
163 | /* | |
164 | * Last index written to key_at_index sysfs file, and value to use for all other | |
165 | * key_at_index_* sysfs files. | |
166 | */ | |
167 | static unsigned int key_at_index; | |
168 | ||
169 | static struct workqueue_struct *applesmc_led_wq; | |
170 | ||
171 | /* | |
02fcbd14 | 172 | * __wait_status - Wait up to 10ms for the status port to get a certain value |
6f2fad74 NB |
173 | * (masked with 0x0f), returning zero if the value is obtained. Callers must |
174 | * hold applesmc_lock. | |
175 | */ | |
176 | static int __wait_status(u8 val) | |
177 | { | |
178 | unsigned int i; | |
179 | ||
180 | val = val & APPLESMC_STATUS_MASK; | |
181 | ||
02fcbd14 | 182 | for (i = 0; i < 1000; i++) { |
6f2fad74 NB |
183 | if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) { |
184 | if (debug) | |
185 | printk(KERN_DEBUG | |
186 | "Waited %d us for status %x\n", | |
187 | i*10, val); | |
188 | return 0; | |
189 | } | |
190 | udelay(10); | |
191 | } | |
192 | ||
193 | printk(KERN_WARNING "applesmc: wait status failed: %x != %x\n", | |
194 | val, inb(APPLESMC_CMD_PORT)); | |
195 | ||
196 | return -EIO; | |
197 | } | |
198 | ||
84d2d7f2 HR |
199 | /* |
200 | * special treatment of command port - on newer macbooks, it seems necessary | |
201 | * to resend the command byte before polling the status again. Callers must | |
202 | * hold applesmc_lock. | |
203 | */ | |
204 | static int send_command(u8 cmd) | |
205 | { | |
206 | int i; | |
207 | for (i = 0; i < 1000; i++) { | |
208 | outb(cmd, APPLESMC_CMD_PORT); | |
209 | udelay(5); | |
210 | if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == 0x0c) | |
211 | return 0; | |
212 | udelay(5); | |
213 | } | |
214 | printk(KERN_WARNING "applesmc: command failed: %x -> %x\n", | |
215 | cmd, inb(APPLESMC_CMD_PORT)); | |
216 | return -EIO; | |
217 | } | |
218 | ||
6f2fad74 NB |
219 | /* |
220 | * applesmc_read_key - reads len bytes from a given key, and put them in buffer. | |
221 | * Returns zero on success or a negative error on failure. Callers must | |
222 | * hold applesmc_lock. | |
223 | */ | |
224 | static int applesmc_read_key(const char* key, u8* buffer, u8 len) | |
225 | { | |
226 | int i; | |
227 | ||
228 | if (len > APPLESMC_MAX_DATA_LENGTH) { | |
229 | printk(KERN_ERR "applesmc_read_key: cannot read more than " | |
230 | "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); | |
231 | return -EINVAL; | |
232 | } | |
233 | ||
84d2d7f2 | 234 | if (send_command(APPLESMC_READ_CMD)) |
6f2fad74 NB |
235 | return -EIO; |
236 | ||
237 | for (i = 0; i < 4; i++) { | |
238 | outb(key[i], APPLESMC_DATA_PORT); | |
239 | if (__wait_status(0x04)) | |
240 | return -EIO; | |
241 | } | |
242 | if (debug) | |
243 | printk(KERN_DEBUG "<%s", key); | |
244 | ||
245 | outb(len, APPLESMC_DATA_PORT); | |
246 | if (debug) | |
247 | printk(KERN_DEBUG ">%x", len); | |
248 | ||
249 | for (i = 0; i < len; i++) { | |
250 | if (__wait_status(0x05)) | |
251 | return -EIO; | |
252 | buffer[i] = inb(APPLESMC_DATA_PORT); | |
253 | if (debug) | |
254 | printk(KERN_DEBUG "<%x", buffer[i]); | |
255 | } | |
256 | if (debug) | |
257 | printk(KERN_DEBUG "\n"); | |
258 | ||
259 | return 0; | |
260 | } | |
261 | ||
262 | /* | |
263 | * applesmc_write_key - writes len bytes from buffer to a given key. | |
264 | * Returns zero on success or a negative error on failure. Callers must | |
265 | * hold applesmc_lock. | |
266 | */ | |
267 | static int applesmc_write_key(const char* key, u8* buffer, u8 len) | |
268 | { | |
269 | int i; | |
270 | ||
271 | if (len > APPLESMC_MAX_DATA_LENGTH) { | |
272 | printk(KERN_ERR "applesmc_write_key: cannot write more than " | |
273 | "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); | |
274 | return -EINVAL; | |
275 | } | |
276 | ||
84d2d7f2 | 277 | if (send_command(APPLESMC_WRITE_CMD)) |
6f2fad74 NB |
278 | return -EIO; |
279 | ||
280 | for (i = 0; i < 4; i++) { | |
281 | outb(key[i], APPLESMC_DATA_PORT); | |
282 | if (__wait_status(0x04)) | |
283 | return -EIO; | |
284 | } | |
285 | ||
286 | outb(len, APPLESMC_DATA_PORT); | |
287 | ||
288 | for (i = 0; i < len; i++) { | |
289 | if (__wait_status(0x04)) | |
290 | return -EIO; | |
291 | outb(buffer[i], APPLESMC_DATA_PORT); | |
292 | } | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
297 | /* | |
298 | * applesmc_get_key_at_index - get key at index, and put the result in key | |
299 | * (char[6]). Returns zero on success or a negative error on failure. Callers | |
300 | * must hold applesmc_lock. | |
301 | */ | |
302 | static int applesmc_get_key_at_index(int index, char* key) | |
303 | { | |
304 | int i; | |
305 | u8 readkey[4]; | |
306 | readkey[0] = index >> 24; | |
307 | readkey[1] = index >> 16; | |
308 | readkey[2] = index >> 8; | |
309 | readkey[3] = index; | |
310 | ||
84d2d7f2 | 311 | if (send_command(APPLESMC_GET_KEY_BY_INDEX_CMD)) |
6f2fad74 NB |
312 | return -EIO; |
313 | ||
314 | for (i = 0; i < 4; i++) { | |
315 | outb(readkey[i], APPLESMC_DATA_PORT); | |
316 | if (__wait_status(0x04)) | |
317 | return -EIO; | |
318 | } | |
319 | ||
320 | outb(4, APPLESMC_DATA_PORT); | |
321 | ||
322 | for (i = 0; i < 4; i++) { | |
323 | if (__wait_status(0x05)) | |
324 | return -EIO; | |
325 | key[i] = inb(APPLESMC_DATA_PORT); | |
326 | } | |
327 | key[4] = 0; | |
328 | ||
329 | return 0; | |
330 | } | |
331 | ||
332 | /* | |
333 | * applesmc_get_key_type - get key type, and put the result in type (char[6]). | |
334 | * Returns zero on success or a negative error on failure. Callers must | |
335 | * hold applesmc_lock. | |
336 | */ | |
337 | static int applesmc_get_key_type(char* key, char* type) | |
338 | { | |
339 | int i; | |
340 | ||
84d2d7f2 | 341 | if (send_command(APPLESMC_GET_KEY_TYPE_CMD)) |
6f2fad74 NB |
342 | return -EIO; |
343 | ||
344 | for (i = 0; i < 4; i++) { | |
345 | outb(key[i], APPLESMC_DATA_PORT); | |
346 | if (__wait_status(0x04)) | |
347 | return -EIO; | |
348 | } | |
349 | ||
05224091 | 350 | outb(6, APPLESMC_DATA_PORT); |
6f2fad74 NB |
351 | |
352 | for (i = 0; i < 6; i++) { | |
353 | if (__wait_status(0x05)) | |
354 | return -EIO; | |
355 | type[i] = inb(APPLESMC_DATA_PORT); | |
356 | } | |
357 | type[5] = 0; | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
362 | /* | |
363 | * applesmc_read_motion_sensor - Read motion sensor (X, Y or Z). Callers must | |
364 | * hold applesmc_lock. | |
365 | */ | |
366 | static int applesmc_read_motion_sensor(int index, s16* value) | |
367 | { | |
368 | u8 buffer[2]; | |
369 | int ret; | |
370 | ||
371 | switch (index) { | |
372 | case SENSOR_X: | |
373 | ret = applesmc_read_key(MOTION_SENSOR_X_KEY, buffer, 2); | |
374 | break; | |
375 | case SENSOR_Y: | |
376 | ret = applesmc_read_key(MOTION_SENSOR_Y_KEY, buffer, 2); | |
377 | break; | |
378 | case SENSOR_Z: | |
379 | ret = applesmc_read_key(MOTION_SENSOR_Z_KEY, buffer, 2); | |
380 | break; | |
381 | default: | |
382 | ret = -EINVAL; | |
383 | } | |
384 | ||
385 | *value = ((s16)buffer[0] << 8) | buffer[1]; | |
386 | ||
387 | return ret; | |
388 | } | |
389 | ||
390 | /* | |
391 | * applesmc_device_init - initialize the accelerometer. Returns zero on success | |
392 | * and negative error code on failure. Can sleep. | |
393 | */ | |
394 | static int applesmc_device_init(void) | |
395 | { | |
396 | int total, ret = -ENXIO; | |
397 | u8 buffer[2]; | |
398 | ||
399 | if (!applesmc_accelerometer) | |
400 | return 0; | |
401 | ||
402 | mutex_lock(&applesmc_lock); | |
403 | ||
404 | for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) { | |
405 | if (debug) | |
406 | printk(KERN_DEBUG "applesmc try %d\n", total); | |
407 | if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) && | |
408 | (buffer[0] != 0x00 || buffer[1] != 0x00)) { | |
409 | if (total == INIT_TIMEOUT_MSECS) { | |
410 | printk(KERN_DEBUG "applesmc: device has" | |
411 | " already been initialized" | |
412 | " (0x%02x, 0x%02x).\n", | |
413 | buffer[0], buffer[1]); | |
414 | } else { | |
415 | printk(KERN_DEBUG "applesmc: device" | |
416 | " successfully initialized" | |
417 | " (0x%02x, 0x%02x).\n", | |
418 | buffer[0], buffer[1]); | |
419 | } | |
420 | ret = 0; | |
421 | goto out; | |
422 | } | |
423 | buffer[0] = 0xe0; | |
424 | buffer[1] = 0x00; | |
425 | applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2); | |
426 | msleep(INIT_WAIT_MSECS); | |
427 | } | |
428 | ||
429 | printk(KERN_WARNING "applesmc: failed to init the device\n"); | |
430 | ||
431 | out: | |
432 | mutex_unlock(&applesmc_lock); | |
433 | return ret; | |
434 | } | |
435 | ||
436 | /* | |
437 | * applesmc_get_fan_count - get the number of fans. Callers must NOT hold | |
438 | * applesmc_lock. | |
439 | */ | |
440 | static int applesmc_get_fan_count(void) | |
441 | { | |
442 | int ret; | |
443 | u8 buffer[1]; | |
444 | ||
445 | mutex_lock(&applesmc_lock); | |
446 | ||
447 | ret = applesmc_read_key(FANS_COUNT, buffer, 1); | |
448 | ||
449 | mutex_unlock(&applesmc_lock); | |
450 | if (ret) | |
451 | return ret; | |
452 | else | |
453 | return buffer[0]; | |
454 | } | |
455 | ||
456 | /* Device model stuff */ | |
457 | static int applesmc_probe(struct platform_device *dev) | |
458 | { | |
459 | int ret; | |
460 | ||
461 | ret = applesmc_device_init(); | |
462 | if (ret) | |
463 | return ret; | |
464 | ||
465 | printk(KERN_INFO "applesmc: device successfully initialized.\n"); | |
466 | return 0; | |
467 | } | |
468 | ||
469 | static int applesmc_resume(struct platform_device *dev) | |
470 | { | |
471 | return applesmc_device_init(); | |
472 | } | |
473 | ||
474 | static struct platform_driver applesmc_driver = { | |
475 | .probe = applesmc_probe, | |
476 | .resume = applesmc_resume, | |
477 | .driver = { | |
478 | .name = "applesmc", | |
479 | .owner = THIS_MODULE, | |
480 | }, | |
481 | }; | |
482 | ||
483 | /* | |
484 | * applesmc_calibrate - Set our "resting" values. Callers must | |
485 | * hold applesmc_lock. | |
486 | */ | |
487 | static void applesmc_calibrate(void) | |
488 | { | |
489 | applesmc_read_motion_sensor(SENSOR_X, &rest_x); | |
490 | applesmc_read_motion_sensor(SENSOR_Y, &rest_y); | |
491 | rest_x = -rest_x; | |
492 | } | |
493 | ||
d5cf2b99 | 494 | static void applesmc_idev_poll(struct input_polled_dev *dev) |
6f2fad74 | 495 | { |
d5cf2b99 | 496 | struct input_dev *idev = dev->input; |
6f2fad74 NB |
497 | s16 x, y; |
498 | ||
d5cf2b99 | 499 | mutex_lock(&applesmc_lock); |
6f2fad74 NB |
500 | |
501 | if (applesmc_read_motion_sensor(SENSOR_X, &x)) | |
502 | goto out; | |
503 | if (applesmc_read_motion_sensor(SENSOR_Y, &y)) | |
504 | goto out; | |
505 | ||
506 | x = -x; | |
d5cf2b99 DT |
507 | input_report_abs(idev, ABS_X, x - rest_x); |
508 | input_report_abs(idev, ABS_Y, y - rest_y); | |
509 | input_sync(idev); | |
6f2fad74 NB |
510 | |
511 | out: | |
6f2fad74 NB |
512 | mutex_unlock(&applesmc_lock); |
513 | } | |
514 | ||
515 | /* Sysfs Files */ | |
516 | ||
fa74419b NB |
517 | static ssize_t applesmc_name_show(struct device *dev, |
518 | struct device_attribute *attr, char *buf) | |
519 | { | |
520 | return snprintf(buf, PAGE_SIZE, "applesmc\n"); | |
521 | } | |
522 | ||
6f2fad74 NB |
523 | static ssize_t applesmc_position_show(struct device *dev, |
524 | struct device_attribute *attr, char *buf) | |
525 | { | |
526 | int ret; | |
527 | s16 x, y, z; | |
528 | ||
529 | mutex_lock(&applesmc_lock); | |
530 | ||
531 | ret = applesmc_read_motion_sensor(SENSOR_X, &x); | |
532 | if (ret) | |
533 | goto out; | |
534 | ret = applesmc_read_motion_sensor(SENSOR_Y, &y); | |
535 | if (ret) | |
536 | goto out; | |
537 | ret = applesmc_read_motion_sensor(SENSOR_Z, &z); | |
538 | if (ret) | |
539 | goto out; | |
540 | ||
541 | out: | |
542 | mutex_unlock(&applesmc_lock); | |
543 | if (ret) | |
544 | return ret; | |
545 | else | |
546 | return snprintf(buf, PAGE_SIZE, "(%d,%d,%d)\n", x, y, z); | |
547 | } | |
548 | ||
549 | static ssize_t applesmc_light_show(struct device *dev, | |
550 | struct device_attribute *attr, char *sysfsbuf) | |
551 | { | |
8bd1a12a | 552 | static int data_length; |
6f2fad74 NB |
553 | int ret; |
554 | u8 left = 0, right = 0; | |
8bd1a12a | 555 | u8 buffer[10], query[6]; |
6f2fad74 NB |
556 | |
557 | mutex_lock(&applesmc_lock); | |
558 | ||
8bd1a12a HR |
559 | if (!data_length) { |
560 | ret = applesmc_get_key_type(LIGHT_SENSOR_LEFT_KEY, query); | |
561 | if (ret) | |
562 | goto out; | |
563 | data_length = clamp_val(query[0], 0, 10); | |
564 | printk(KERN_INFO "applesmc: light sensor data length set to " | |
565 | "%d\n", data_length); | |
566 | } | |
567 | ||
568 | ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length); | |
6f2fad74 NB |
569 | left = buffer[2]; |
570 | if (ret) | |
571 | goto out; | |
8bd1a12a | 572 | ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); |
6f2fad74 NB |
573 | right = buffer[2]; |
574 | ||
575 | out: | |
576 | mutex_unlock(&applesmc_lock); | |
577 | if (ret) | |
578 | return ret; | |
579 | else | |
580 | return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", left, right); | |
581 | } | |
582 | ||
583 | /* Displays degree Celsius * 1000 */ | |
584 | static ssize_t applesmc_show_temperature(struct device *dev, | |
585 | struct device_attribute *devattr, char *sysfsbuf) | |
586 | { | |
587 | int ret; | |
588 | u8 buffer[2]; | |
589 | unsigned int temp; | |
590 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
591 | const char* key = | |
592 | temperature_sensors_sets[applesmc_temperature_set][attr->index]; | |
593 | ||
594 | mutex_lock(&applesmc_lock); | |
595 | ||
596 | ret = applesmc_read_key(key, buffer, 2); | |
597 | temp = buffer[0]*1000; | |
598 | temp += (buffer[1] >> 6) * 250; | |
599 | ||
600 | mutex_unlock(&applesmc_lock); | |
601 | ||
602 | if (ret) | |
603 | return ret; | |
604 | else | |
605 | return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", temp); | |
606 | } | |
607 | ||
608 | static ssize_t applesmc_show_fan_speed(struct device *dev, | |
609 | struct device_attribute *attr, char *sysfsbuf) | |
610 | { | |
611 | int ret; | |
612 | unsigned int speed = 0; | |
613 | char newkey[5]; | |
614 | u8 buffer[2]; | |
615 | struct sensor_device_attribute_2 *sensor_attr = | |
616 | to_sensor_dev_attr_2(attr); | |
617 | ||
618 | newkey[0] = fan_speed_keys[sensor_attr->nr][0]; | |
619 | newkey[1] = '0' + sensor_attr->index; | |
620 | newkey[2] = fan_speed_keys[sensor_attr->nr][2]; | |
621 | newkey[3] = fan_speed_keys[sensor_attr->nr][3]; | |
622 | newkey[4] = 0; | |
623 | ||
624 | mutex_lock(&applesmc_lock); | |
625 | ||
626 | ret = applesmc_read_key(newkey, buffer, 2); | |
627 | speed = ((buffer[0] << 8 | buffer[1]) >> 2); | |
628 | ||
629 | mutex_unlock(&applesmc_lock); | |
630 | if (ret) | |
631 | return ret; | |
632 | else | |
633 | return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); | |
634 | } | |
635 | ||
636 | static ssize_t applesmc_store_fan_speed(struct device *dev, | |
637 | struct device_attribute *attr, | |
638 | const char *sysfsbuf, size_t count) | |
639 | { | |
640 | int ret; | |
641 | u32 speed; | |
642 | char newkey[5]; | |
643 | u8 buffer[2]; | |
644 | struct sensor_device_attribute_2 *sensor_attr = | |
645 | to_sensor_dev_attr_2(attr); | |
646 | ||
647 | speed = simple_strtoul(sysfsbuf, NULL, 10); | |
648 | ||
649 | if (speed > 0x4000) /* Bigger than a 14-bit value */ | |
650 | return -EINVAL; | |
651 | ||
652 | newkey[0] = fan_speed_keys[sensor_attr->nr][0]; | |
653 | newkey[1] = '0' + sensor_attr->index; | |
654 | newkey[2] = fan_speed_keys[sensor_attr->nr][2]; | |
655 | newkey[3] = fan_speed_keys[sensor_attr->nr][3]; | |
656 | newkey[4] = 0; | |
657 | ||
658 | mutex_lock(&applesmc_lock); | |
659 | ||
660 | buffer[0] = (speed >> 6) & 0xff; | |
661 | buffer[1] = (speed << 2) & 0xff; | |
662 | ret = applesmc_write_key(newkey, buffer, 2); | |
663 | ||
664 | mutex_unlock(&applesmc_lock); | |
665 | if (ret) | |
666 | return ret; | |
667 | else | |
668 | return count; | |
669 | } | |
670 | ||
671 | static ssize_t applesmc_show_fan_manual(struct device *dev, | |
672 | struct device_attribute *devattr, char *sysfsbuf) | |
673 | { | |
674 | int ret; | |
675 | u16 manual = 0; | |
676 | u8 buffer[2]; | |
677 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
678 | ||
679 | mutex_lock(&applesmc_lock); | |
680 | ||
681 | ret = applesmc_read_key(FANS_MANUAL, buffer, 2); | |
682 | manual = ((buffer[0] << 8 | buffer[1]) >> attr->index) & 0x01; | |
683 | ||
684 | mutex_unlock(&applesmc_lock); | |
685 | if (ret) | |
686 | return ret; | |
687 | else | |
688 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); | |
689 | } | |
690 | ||
691 | static ssize_t applesmc_store_fan_manual(struct device *dev, | |
692 | struct device_attribute *devattr, | |
693 | const char *sysfsbuf, size_t count) | |
694 | { | |
695 | int ret; | |
696 | u8 buffer[2]; | |
697 | u32 input; | |
698 | u16 val; | |
699 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
700 | ||
701 | input = simple_strtoul(sysfsbuf, NULL, 10); | |
702 | ||
703 | mutex_lock(&applesmc_lock); | |
704 | ||
705 | ret = applesmc_read_key(FANS_MANUAL, buffer, 2); | |
706 | val = (buffer[0] << 8 | buffer[1]); | |
707 | if (ret) | |
708 | goto out; | |
709 | ||
710 | if (input) | |
711 | val = val | (0x01 << attr->index); | |
712 | else | |
713 | val = val & ~(0x01 << attr->index); | |
714 | ||
715 | buffer[0] = (val >> 8) & 0xFF; | |
716 | buffer[1] = val & 0xFF; | |
717 | ||
718 | ret = applesmc_write_key(FANS_MANUAL, buffer, 2); | |
719 | ||
720 | out: | |
721 | mutex_unlock(&applesmc_lock); | |
722 | if (ret) | |
723 | return ret; | |
724 | else | |
725 | return count; | |
726 | } | |
727 | ||
728 | static ssize_t applesmc_show_fan_position(struct device *dev, | |
729 | struct device_attribute *attr, char *sysfsbuf) | |
730 | { | |
731 | int ret; | |
732 | char newkey[5]; | |
733 | u8 buffer[17]; | |
734 | struct sensor_device_attribute_2 *sensor_attr = | |
735 | to_sensor_dev_attr_2(attr); | |
736 | ||
737 | newkey[0] = FAN_POSITION[0]; | |
738 | newkey[1] = '0' + sensor_attr->index; | |
739 | newkey[2] = FAN_POSITION[2]; | |
740 | newkey[3] = FAN_POSITION[3]; | |
741 | newkey[4] = 0; | |
742 | ||
743 | mutex_lock(&applesmc_lock); | |
744 | ||
745 | ret = applesmc_read_key(newkey, buffer, 16); | |
746 | buffer[16] = 0; | |
747 | ||
748 | mutex_unlock(&applesmc_lock); | |
749 | if (ret) | |
750 | return ret; | |
751 | else | |
752 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", buffer+4); | |
753 | } | |
754 | ||
755 | static ssize_t applesmc_calibrate_show(struct device *dev, | |
756 | struct device_attribute *attr, char *sysfsbuf) | |
757 | { | |
758 | return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", rest_x, rest_y); | |
759 | } | |
760 | ||
761 | static ssize_t applesmc_calibrate_store(struct device *dev, | |
762 | struct device_attribute *attr, const char *sysfsbuf, size_t count) | |
763 | { | |
764 | mutex_lock(&applesmc_lock); | |
765 | applesmc_calibrate(); | |
766 | mutex_unlock(&applesmc_lock); | |
767 | ||
768 | return count; | |
769 | } | |
770 | ||
771 | /* Store the next backlight value to be written by the work */ | |
772 | static unsigned int backlight_value; | |
773 | ||
774 | static void applesmc_backlight_set(struct work_struct *work) | |
775 | { | |
776 | u8 buffer[2]; | |
777 | ||
778 | mutex_lock(&applesmc_lock); | |
779 | buffer[0] = backlight_value; | |
780 | buffer[1] = 0x00; | |
781 | applesmc_write_key(BACKLIGHT_KEY, buffer, 2); | |
782 | mutex_unlock(&applesmc_lock); | |
783 | } | |
784 | static DECLARE_WORK(backlight_work, &applesmc_backlight_set); | |
785 | ||
786 | static void applesmc_brightness_set(struct led_classdev *led_cdev, | |
787 | enum led_brightness value) | |
788 | { | |
789 | int ret; | |
790 | ||
791 | backlight_value = value; | |
792 | ret = queue_work(applesmc_led_wq, &backlight_work); | |
793 | ||
794 | if (debug && (!ret)) | |
795 | printk(KERN_DEBUG "applesmc: work was already on the queue.\n"); | |
796 | } | |
797 | ||
798 | static ssize_t applesmc_key_count_show(struct device *dev, | |
799 | struct device_attribute *attr, char *sysfsbuf) | |
800 | { | |
801 | int ret; | |
802 | u8 buffer[4]; | |
803 | u32 count; | |
804 | ||
805 | mutex_lock(&applesmc_lock); | |
806 | ||
807 | ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); | |
808 | count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + | |
809 | ((u32)buffer[2]<<8) + buffer[3]; | |
810 | ||
811 | mutex_unlock(&applesmc_lock); | |
812 | if (ret) | |
813 | return ret; | |
814 | else | |
815 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); | |
816 | } | |
817 | ||
818 | static ssize_t applesmc_key_at_index_read_show(struct device *dev, | |
819 | struct device_attribute *attr, char *sysfsbuf) | |
820 | { | |
821 | char key[5]; | |
822 | char info[6]; | |
823 | int ret; | |
824 | ||
825 | mutex_lock(&applesmc_lock); | |
826 | ||
827 | ret = applesmc_get_key_at_index(key_at_index, key); | |
828 | ||
829 | if (ret || !key[0]) { | |
830 | mutex_unlock(&applesmc_lock); | |
831 | ||
832 | return -EINVAL; | |
833 | } | |
834 | ||
835 | ret = applesmc_get_key_type(key, info); | |
836 | ||
837 | if (ret) { | |
838 | mutex_unlock(&applesmc_lock); | |
839 | ||
840 | return ret; | |
841 | } | |
842 | ||
843 | /* | |
844 | * info[0] maximum value (APPLESMC_MAX_DATA_LENGTH) is much lower than | |
845 | * PAGE_SIZE, so we don't need any checks before writing to sysfsbuf. | |
846 | */ | |
847 | ret = applesmc_read_key(key, sysfsbuf, info[0]); | |
848 | ||
849 | mutex_unlock(&applesmc_lock); | |
850 | ||
851 | if (!ret) { | |
852 | return info[0]; | |
d5cf2b99 | 853 | } else { |
6f2fad74 NB |
854 | return ret; |
855 | } | |
856 | } | |
857 | ||
858 | static ssize_t applesmc_key_at_index_data_length_show(struct device *dev, | |
859 | struct device_attribute *attr, char *sysfsbuf) | |
860 | { | |
861 | char key[5]; | |
862 | char info[6]; | |
863 | int ret; | |
864 | ||
865 | mutex_lock(&applesmc_lock); | |
866 | ||
867 | ret = applesmc_get_key_at_index(key_at_index, key); | |
868 | ||
869 | if (ret || !key[0]) { | |
870 | mutex_unlock(&applesmc_lock); | |
871 | ||
872 | return -EINVAL; | |
873 | } | |
874 | ||
875 | ret = applesmc_get_key_type(key, info); | |
876 | ||
877 | mutex_unlock(&applesmc_lock); | |
878 | ||
879 | if (!ret) | |
880 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", info[0]); | |
881 | else | |
882 | return ret; | |
883 | } | |
884 | ||
885 | static ssize_t applesmc_key_at_index_type_show(struct device *dev, | |
886 | struct device_attribute *attr, char *sysfsbuf) | |
887 | { | |
888 | char key[5]; | |
889 | char info[6]; | |
890 | int ret; | |
891 | ||
892 | mutex_lock(&applesmc_lock); | |
893 | ||
894 | ret = applesmc_get_key_at_index(key_at_index, key); | |
895 | ||
896 | if (ret || !key[0]) { | |
897 | mutex_unlock(&applesmc_lock); | |
898 | ||
899 | return -EINVAL; | |
900 | } | |
901 | ||
902 | ret = applesmc_get_key_type(key, info); | |
903 | ||
904 | mutex_unlock(&applesmc_lock); | |
905 | ||
906 | if (!ret) | |
907 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", info+1); | |
908 | else | |
909 | return ret; | |
910 | } | |
911 | ||
912 | static ssize_t applesmc_key_at_index_name_show(struct device *dev, | |
913 | struct device_attribute *attr, char *sysfsbuf) | |
914 | { | |
915 | char key[5]; | |
916 | int ret; | |
917 | ||
918 | mutex_lock(&applesmc_lock); | |
919 | ||
920 | ret = applesmc_get_key_at_index(key_at_index, key); | |
921 | ||
922 | mutex_unlock(&applesmc_lock); | |
923 | ||
924 | if (!ret && key[0]) | |
925 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", key); | |
926 | else | |
927 | return -EINVAL; | |
928 | } | |
929 | ||
930 | static ssize_t applesmc_key_at_index_show(struct device *dev, | |
931 | struct device_attribute *attr, char *sysfsbuf) | |
932 | { | |
933 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", key_at_index); | |
934 | } | |
935 | ||
936 | static ssize_t applesmc_key_at_index_store(struct device *dev, | |
937 | struct device_attribute *attr, const char *sysfsbuf, size_t count) | |
938 | { | |
939 | mutex_lock(&applesmc_lock); | |
940 | ||
941 | key_at_index = simple_strtoul(sysfsbuf, NULL, 10); | |
942 | ||
943 | mutex_unlock(&applesmc_lock); | |
944 | ||
945 | return count; | |
946 | } | |
947 | ||
948 | static struct led_classdev applesmc_backlight = { | |
6c152bee | 949 | .name = "smc::kbd_backlight", |
6f2fad74 NB |
950 | .default_trigger = "nand-disk", |
951 | .brightness_set = applesmc_brightness_set, | |
952 | }; | |
953 | ||
fa74419b NB |
954 | static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL); |
955 | ||
6f2fad74 NB |
956 | static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL); |
957 | static DEVICE_ATTR(calibrate, 0644, | |
958 | applesmc_calibrate_show, applesmc_calibrate_store); | |
959 | ||
960 | static struct attribute *accelerometer_attributes[] = { | |
961 | &dev_attr_position.attr, | |
962 | &dev_attr_calibrate.attr, | |
963 | NULL | |
964 | }; | |
965 | ||
966 | static const struct attribute_group accelerometer_attributes_group = | |
967 | { .attrs = accelerometer_attributes }; | |
968 | ||
969 | static DEVICE_ATTR(light, 0444, applesmc_light_show, NULL); | |
970 | ||
971 | static DEVICE_ATTR(key_count, 0444, applesmc_key_count_show, NULL); | |
972 | static DEVICE_ATTR(key_at_index, 0644, | |
973 | applesmc_key_at_index_show, applesmc_key_at_index_store); | |
974 | static DEVICE_ATTR(key_at_index_name, 0444, | |
975 | applesmc_key_at_index_name_show, NULL); | |
976 | static DEVICE_ATTR(key_at_index_type, 0444, | |
977 | applesmc_key_at_index_type_show, NULL); | |
978 | static DEVICE_ATTR(key_at_index_data_length, 0444, | |
979 | applesmc_key_at_index_data_length_show, NULL); | |
980 | static DEVICE_ATTR(key_at_index_data, 0444, | |
981 | applesmc_key_at_index_read_show, NULL); | |
982 | ||
983 | static struct attribute *key_enumeration_attributes[] = { | |
984 | &dev_attr_key_count.attr, | |
985 | &dev_attr_key_at_index.attr, | |
986 | &dev_attr_key_at_index_name.attr, | |
987 | &dev_attr_key_at_index_type.attr, | |
988 | &dev_attr_key_at_index_data_length.attr, | |
989 | &dev_attr_key_at_index_data.attr, | |
990 | NULL | |
991 | }; | |
992 | ||
993 | static const struct attribute_group key_enumeration_group = | |
994 | { .attrs = key_enumeration_attributes }; | |
995 | ||
996 | /* | |
997 | * Macro defining SENSOR_DEVICE_ATTR for a fan sysfs entries. | |
998 | * - show actual speed | |
999 | * - show/store minimum speed | |
1000 | * - show maximum speed | |
1001 | * - show safe speed | |
1002 | * - show/store target speed | |
1003 | * - show/store manual mode | |
1004 | */ | |
1005 | #define sysfs_fan_speeds_offset(offset) \ | |
1006 | static SENSOR_DEVICE_ATTR_2(fan##offset##_input, S_IRUGO, \ | |
1007 | applesmc_show_fan_speed, NULL, 0, offset-1); \ | |
1008 | \ | |
1009 | static SENSOR_DEVICE_ATTR_2(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
1010 | applesmc_show_fan_speed, applesmc_store_fan_speed, 1, offset-1); \ | |
1011 | \ | |
1012 | static SENSOR_DEVICE_ATTR_2(fan##offset##_max, S_IRUGO, \ | |
1013 | applesmc_show_fan_speed, NULL, 2, offset-1); \ | |
1014 | \ | |
1015 | static SENSOR_DEVICE_ATTR_2(fan##offset##_safe, S_IRUGO, \ | |
1016 | applesmc_show_fan_speed, NULL, 3, offset-1); \ | |
1017 | \ | |
1018 | static SENSOR_DEVICE_ATTR_2(fan##offset##_output, S_IRUGO | S_IWUSR, \ | |
1019 | applesmc_show_fan_speed, applesmc_store_fan_speed, 4, offset-1); \ | |
1020 | \ | |
1021 | static SENSOR_DEVICE_ATTR(fan##offset##_manual, S_IRUGO | S_IWUSR, \ | |
1022 | applesmc_show_fan_manual, applesmc_store_fan_manual, offset-1); \ | |
1023 | \ | |
da4e8ca3 | 1024 | static SENSOR_DEVICE_ATTR(fan##offset##_label, S_IRUGO, \ |
6f2fad74 NB |
1025 | applesmc_show_fan_position, NULL, offset-1); \ |
1026 | \ | |
1027 | static struct attribute *fan##offset##_attributes[] = { \ | |
1028 | &sensor_dev_attr_fan##offset##_input.dev_attr.attr, \ | |
1029 | &sensor_dev_attr_fan##offset##_min.dev_attr.attr, \ | |
1030 | &sensor_dev_attr_fan##offset##_max.dev_attr.attr, \ | |
1031 | &sensor_dev_attr_fan##offset##_safe.dev_attr.attr, \ | |
1032 | &sensor_dev_attr_fan##offset##_output.dev_attr.attr, \ | |
1033 | &sensor_dev_attr_fan##offset##_manual.dev_attr.attr, \ | |
da4e8ca3 | 1034 | &sensor_dev_attr_fan##offset##_label.dev_attr.attr, \ |
6f2fad74 NB |
1035 | NULL \ |
1036 | }; | |
1037 | ||
1038 | /* | |
1039 | * Create the needed functions for each fan using the macro defined above | |
8de57709 | 1040 | * (4 fans are supported) |
6f2fad74 NB |
1041 | */ |
1042 | sysfs_fan_speeds_offset(1); | |
1043 | sysfs_fan_speeds_offset(2); | |
8de57709 RR |
1044 | sysfs_fan_speeds_offset(3); |
1045 | sysfs_fan_speeds_offset(4); | |
6f2fad74 NB |
1046 | |
1047 | static const struct attribute_group fan_attribute_groups[] = { | |
1048 | { .attrs = fan1_attributes }, | |
8de57709 RR |
1049 | { .attrs = fan2_attributes }, |
1050 | { .attrs = fan3_attributes }, | |
1051 | { .attrs = fan4_attributes }, | |
6f2fad74 NB |
1052 | }; |
1053 | ||
1054 | /* | |
1055 | * Temperature sensors sysfs entries. | |
1056 | */ | |
1057 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, | |
1058 | applesmc_show_temperature, NULL, 0); | |
1059 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, | |
1060 | applesmc_show_temperature, NULL, 1); | |
1061 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, | |
1062 | applesmc_show_temperature, NULL, 2); | |
1063 | static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, | |
1064 | applesmc_show_temperature, NULL, 3); | |
1065 | static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, | |
1066 | applesmc_show_temperature, NULL, 4); | |
1067 | static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, | |
1068 | applesmc_show_temperature, NULL, 5); | |
1069 | static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, | |
1070 | applesmc_show_temperature, NULL, 6); | |
1071 | static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, | |
1072 | applesmc_show_temperature, NULL, 7); | |
1073 | static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, | |
1074 | applesmc_show_temperature, NULL, 8); | |
1075 | static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, | |
1076 | applesmc_show_temperature, NULL, 9); | |
1077 | static SENSOR_DEVICE_ATTR(temp11_input, S_IRUGO, | |
1078 | applesmc_show_temperature, NULL, 10); | |
1079 | static SENSOR_DEVICE_ATTR(temp12_input, S_IRUGO, | |
1080 | applesmc_show_temperature, NULL, 11); | |
8de57709 RR |
1081 | static SENSOR_DEVICE_ATTR(temp13_input, S_IRUGO, |
1082 | applesmc_show_temperature, NULL, 12); | |
1083 | static SENSOR_DEVICE_ATTR(temp14_input, S_IRUGO, | |
1084 | applesmc_show_temperature, NULL, 13); | |
1085 | static SENSOR_DEVICE_ATTR(temp15_input, S_IRUGO, | |
1086 | applesmc_show_temperature, NULL, 14); | |
1087 | static SENSOR_DEVICE_ATTR(temp16_input, S_IRUGO, | |
1088 | applesmc_show_temperature, NULL, 15); | |
1089 | static SENSOR_DEVICE_ATTR(temp17_input, S_IRUGO, | |
1090 | applesmc_show_temperature, NULL, 16); | |
1091 | static SENSOR_DEVICE_ATTR(temp18_input, S_IRUGO, | |
1092 | applesmc_show_temperature, NULL, 17); | |
1093 | static SENSOR_DEVICE_ATTR(temp19_input, S_IRUGO, | |
1094 | applesmc_show_temperature, NULL, 18); | |
1095 | static SENSOR_DEVICE_ATTR(temp20_input, S_IRUGO, | |
1096 | applesmc_show_temperature, NULL, 19); | |
1097 | static SENSOR_DEVICE_ATTR(temp21_input, S_IRUGO, | |
1098 | applesmc_show_temperature, NULL, 20); | |
1099 | static SENSOR_DEVICE_ATTR(temp22_input, S_IRUGO, | |
1100 | applesmc_show_temperature, NULL, 21); | |
1101 | static SENSOR_DEVICE_ATTR(temp23_input, S_IRUGO, | |
1102 | applesmc_show_temperature, NULL, 22); | |
1103 | static SENSOR_DEVICE_ATTR(temp24_input, S_IRUGO, | |
1104 | applesmc_show_temperature, NULL, 23); | |
1105 | static SENSOR_DEVICE_ATTR(temp25_input, S_IRUGO, | |
1106 | applesmc_show_temperature, NULL, 24); | |
1107 | static SENSOR_DEVICE_ATTR(temp26_input, S_IRUGO, | |
1108 | applesmc_show_temperature, NULL, 25); | |
1109 | static SENSOR_DEVICE_ATTR(temp27_input, S_IRUGO, | |
1110 | applesmc_show_temperature, NULL, 26); | |
1111 | static SENSOR_DEVICE_ATTR(temp28_input, S_IRUGO, | |
1112 | applesmc_show_temperature, NULL, 27); | |
1113 | static SENSOR_DEVICE_ATTR(temp29_input, S_IRUGO, | |
1114 | applesmc_show_temperature, NULL, 28); | |
1115 | static SENSOR_DEVICE_ATTR(temp30_input, S_IRUGO, | |
1116 | applesmc_show_temperature, NULL, 29); | |
1117 | static SENSOR_DEVICE_ATTR(temp31_input, S_IRUGO, | |
1118 | applesmc_show_temperature, NULL, 30); | |
1119 | static SENSOR_DEVICE_ATTR(temp32_input, S_IRUGO, | |
1120 | applesmc_show_temperature, NULL, 31); | |
1121 | static SENSOR_DEVICE_ATTR(temp33_input, S_IRUGO, | |
1122 | applesmc_show_temperature, NULL, 32); | |
1123 | static SENSOR_DEVICE_ATTR(temp34_input, S_IRUGO, | |
1124 | applesmc_show_temperature, NULL, 33); | |
1125 | static SENSOR_DEVICE_ATTR(temp35_input, S_IRUGO, | |
1126 | applesmc_show_temperature, NULL, 34); | |
6f2fad74 NB |
1127 | |
1128 | static struct attribute *temperature_attributes[] = { | |
1129 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1130 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1131 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1132 | &sensor_dev_attr_temp4_input.dev_attr.attr, | |
1133 | &sensor_dev_attr_temp5_input.dev_attr.attr, | |
1134 | &sensor_dev_attr_temp6_input.dev_attr.attr, | |
1135 | &sensor_dev_attr_temp7_input.dev_attr.attr, | |
1136 | &sensor_dev_attr_temp8_input.dev_attr.attr, | |
1137 | &sensor_dev_attr_temp9_input.dev_attr.attr, | |
1138 | &sensor_dev_attr_temp10_input.dev_attr.attr, | |
1139 | &sensor_dev_attr_temp11_input.dev_attr.attr, | |
1140 | &sensor_dev_attr_temp12_input.dev_attr.attr, | |
8de57709 RR |
1141 | &sensor_dev_attr_temp13_input.dev_attr.attr, |
1142 | &sensor_dev_attr_temp14_input.dev_attr.attr, | |
1143 | &sensor_dev_attr_temp15_input.dev_attr.attr, | |
1144 | &sensor_dev_attr_temp16_input.dev_attr.attr, | |
1145 | &sensor_dev_attr_temp17_input.dev_attr.attr, | |
1146 | &sensor_dev_attr_temp18_input.dev_attr.attr, | |
1147 | &sensor_dev_attr_temp19_input.dev_attr.attr, | |
1148 | &sensor_dev_attr_temp20_input.dev_attr.attr, | |
1149 | &sensor_dev_attr_temp21_input.dev_attr.attr, | |
1150 | &sensor_dev_attr_temp22_input.dev_attr.attr, | |
1151 | &sensor_dev_attr_temp23_input.dev_attr.attr, | |
1152 | &sensor_dev_attr_temp24_input.dev_attr.attr, | |
1153 | &sensor_dev_attr_temp25_input.dev_attr.attr, | |
1154 | &sensor_dev_attr_temp26_input.dev_attr.attr, | |
1155 | &sensor_dev_attr_temp27_input.dev_attr.attr, | |
1156 | &sensor_dev_attr_temp28_input.dev_attr.attr, | |
1157 | &sensor_dev_attr_temp29_input.dev_attr.attr, | |
1158 | &sensor_dev_attr_temp30_input.dev_attr.attr, | |
1159 | &sensor_dev_attr_temp31_input.dev_attr.attr, | |
1160 | &sensor_dev_attr_temp32_input.dev_attr.attr, | |
1161 | &sensor_dev_attr_temp33_input.dev_attr.attr, | |
1162 | &sensor_dev_attr_temp34_input.dev_attr.attr, | |
1163 | &sensor_dev_attr_temp35_input.dev_attr.attr, | |
6f2fad74 NB |
1164 | NULL |
1165 | }; | |
1166 | ||
1167 | static const struct attribute_group temperature_attributes_group = | |
1168 | { .attrs = temperature_attributes }; | |
1169 | ||
1170 | /* Module stuff */ | |
1171 | ||
1172 | /* | |
1173 | * applesmc_dmi_match - found a match. return one, short-circuiting the hunt. | |
1174 | */ | |
1855256c | 1175 | static int applesmc_dmi_match(const struct dmi_system_id *id) |
6f2fad74 NB |
1176 | { |
1177 | int i = 0; | |
1178 | struct dmi_match_data* dmi_data = id->driver_data; | |
1179 | printk(KERN_INFO "applesmc: %s detected:\n", id->ident); | |
1180 | applesmc_accelerometer = dmi_data->accelerometer; | |
1181 | printk(KERN_INFO "applesmc: - Model %s accelerometer\n", | |
1182 | applesmc_accelerometer ? "with" : "without"); | |
1183 | applesmc_light = dmi_data->light; | |
1184 | printk(KERN_INFO "applesmc: - Model %s light sensors and backlight\n", | |
1185 | applesmc_light ? "with" : "without"); | |
1186 | ||
1187 | applesmc_temperature_set = dmi_data->temperature_set; | |
1188 | while (temperature_sensors_sets[applesmc_temperature_set][i] != NULL) | |
1189 | i++; | |
1190 | printk(KERN_INFO "applesmc: - Model with %d temperature sensors\n", i); | |
1191 | return 1; | |
1192 | } | |
1193 | ||
1194 | /* Create accelerometer ressources */ | |
1195 | static int applesmc_create_accelerometer(void) | |
1196 | { | |
d5cf2b99 | 1197 | struct input_dev *idev; |
6f2fad74 NB |
1198 | int ret; |
1199 | ||
1200 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1201 | &accelerometer_attributes_group); | |
1202 | if (ret) | |
1203 | goto out; | |
1204 | ||
d5cf2b99 | 1205 | applesmc_idev = input_allocate_polled_device(); |
6f2fad74 NB |
1206 | if (!applesmc_idev) { |
1207 | ret = -ENOMEM; | |
1208 | goto out_sysfs; | |
1209 | } | |
1210 | ||
d5cf2b99 DT |
1211 | applesmc_idev->poll = applesmc_idev_poll; |
1212 | applesmc_idev->poll_interval = APPLESMC_POLL_INTERVAL; | |
1213 | ||
6f2fad74 NB |
1214 | /* initial calibrate for the input device */ |
1215 | applesmc_calibrate(); | |
1216 | ||
d5cf2b99 DT |
1217 | /* initialize the input device */ |
1218 | idev = applesmc_idev->input; | |
1219 | idev->name = "applesmc"; | |
1220 | idev->id.bustype = BUS_HOST; | |
1221 | idev->dev.parent = &pdev->dev; | |
7b19ada2 | 1222 | idev->evbit[0] = BIT_MASK(EV_ABS); |
d5cf2b99 | 1223 | input_set_abs_params(idev, ABS_X, |
6f2fad74 | 1224 | -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); |
d5cf2b99 | 1225 | input_set_abs_params(idev, ABS_Y, |
6f2fad74 NB |
1226 | -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); |
1227 | ||
d5cf2b99 | 1228 | ret = input_register_polled_device(applesmc_idev); |
6f2fad74 NB |
1229 | if (ret) |
1230 | goto out_idev; | |
1231 | ||
6f2fad74 NB |
1232 | return 0; |
1233 | ||
1234 | out_idev: | |
d5cf2b99 | 1235 | input_free_polled_device(applesmc_idev); |
6f2fad74 NB |
1236 | |
1237 | out_sysfs: | |
1238 | sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); | |
1239 | ||
1240 | out: | |
1241 | printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); | |
1242 | return ret; | |
1243 | } | |
1244 | ||
1245 | /* Release all ressources used by the accelerometer */ | |
1246 | static void applesmc_release_accelerometer(void) | |
1247 | { | |
d5cf2b99 DT |
1248 | input_unregister_polled_device(applesmc_idev); |
1249 | input_free_polled_device(applesmc_idev); | |
6f2fad74 NB |
1250 | sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); |
1251 | } | |
1252 | ||
1253 | static __initdata struct dmi_match_data applesmc_dmi_data[] = { | |
1254 | /* MacBook Pro: accelerometer, backlight and temperature set 0 */ | |
1255 | { .accelerometer = 1, .light = 1, .temperature_set = 0 }, | |
cd19ba13 | 1256 | /* MacBook2: accelerometer and temperature set 1 */ |
1bed24b9 | 1257 | { .accelerometer = 1, .light = 0, .temperature_set = 1 }, |
cd19ba13 RO |
1258 | /* MacBook: accelerometer and temperature set 2 */ |
1259 | { .accelerometer = 1, .light = 0, .temperature_set = 2 }, | |
1260 | /* MacMini: temperature set 3 */ | |
8de57709 | 1261 | { .accelerometer = 0, .light = 0, .temperature_set = 3 }, |
cd19ba13 RO |
1262 | /* MacPro: temperature set 4 */ |
1263 | { .accelerometer = 0, .light = 0, .temperature_set = 4 }, | |
9f86f28d RDI |
1264 | /* iMac: temperature set 5 */ |
1265 | { .accelerometer = 0, .light = 0, .temperature_set = 5 }, | |
f91a79fe GS |
1266 | /* MacBook3: accelerometer and temperature set 6 */ |
1267 | { .accelerometer = 1, .light = 0, .temperature_set = 6 }, | |
f5274c97 HR |
1268 | /* MacBook Air: accelerometer, backlight and temperature set 7 */ |
1269 | { .accelerometer = 1, .light = 1, .temperature_set = 7 }, | |
d7549905 HR |
1270 | /* MacBook Pro 4: accelerometer, backlight and temperature set 8 */ |
1271 | { .accelerometer = 1, .light = 1, .temperature_set = 8 }, | |
6f2fad74 NB |
1272 | }; |
1273 | ||
1274 | /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". | |
1275 | * So we need to put "Apple MacBook Pro" before "Apple MacBook". */ | |
1276 | static __initdata struct dmi_system_id applesmc_whitelist[] = { | |
f5274c97 HR |
1277 | { applesmc_dmi_match, "Apple MacBook Air", { |
1278 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1279 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, | |
7b5e3cb2 | 1280 | &applesmc_dmi_data[7]}, |
d7549905 HR |
1281 | { applesmc_dmi_match, "Apple MacBook Pro 4", { |
1282 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1283 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") }, | |
1284 | &applesmc_dmi_data[8]}, | |
6f2fad74 NB |
1285 | { applesmc_dmi_match, "Apple MacBook Pro", { |
1286 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1287 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") }, | |
7b5e3cb2 | 1288 | &applesmc_dmi_data[0]}, |
f91a79fe | 1289 | { applesmc_dmi_match, "Apple MacBook (v2)", { |
6f2fad74 | 1290 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), |
cd19ba13 | 1291 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") }, |
7b5e3cb2 | 1292 | &applesmc_dmi_data[1]}, |
f91a79fe GS |
1293 | { applesmc_dmi_match, "Apple MacBook (v3)", { |
1294 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1295 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") }, | |
7b5e3cb2 | 1296 | &applesmc_dmi_data[6]}, |
cd19ba13 RO |
1297 | { applesmc_dmi_match, "Apple MacBook", { |
1298 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1299 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, | |
7b5e3cb2 | 1300 | &applesmc_dmi_data[2]}, |
6f2fad74 NB |
1301 | { applesmc_dmi_match, "Apple Macmini", { |
1302 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1303 | DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") }, | |
7b5e3cb2 | 1304 | &applesmc_dmi_data[3]}, |
8de57709 RR |
1305 | { applesmc_dmi_match, "Apple MacPro2", { |
1306 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1307 | DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, | |
7b5e3cb2 | 1308 | &applesmc_dmi_data[4]}, |
9f86f28d RDI |
1309 | { applesmc_dmi_match, "Apple iMac", { |
1310 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1311 | DMI_MATCH(DMI_PRODUCT_NAME,"iMac") }, | |
7b5e3cb2 | 1312 | &applesmc_dmi_data[5]}, |
6f2fad74 NB |
1313 | { .ident = NULL } |
1314 | }; | |
1315 | ||
1316 | static int __init applesmc_init(void) | |
1317 | { | |
1318 | int ret; | |
1319 | int count; | |
1320 | int i; | |
1321 | ||
6f2fad74 NB |
1322 | if (!dmi_check_system(applesmc_whitelist)) { |
1323 | printk(KERN_WARNING "applesmc: supported laptop not found!\n"); | |
1324 | ret = -ENODEV; | |
1325 | goto out; | |
1326 | } | |
1327 | ||
1328 | if (!request_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS, | |
1329 | "applesmc")) { | |
1330 | ret = -ENXIO; | |
1331 | goto out; | |
1332 | } | |
1333 | ||
1334 | ret = platform_driver_register(&applesmc_driver); | |
1335 | if (ret) | |
1336 | goto out_region; | |
1337 | ||
ddfbf2af JD |
1338 | pdev = platform_device_register_simple("applesmc", APPLESMC_DATA_PORT, |
1339 | NULL, 0); | |
6f2fad74 NB |
1340 | if (IS_ERR(pdev)) { |
1341 | ret = PTR_ERR(pdev); | |
1342 | goto out_driver; | |
1343 | } | |
1344 | ||
fa74419b | 1345 | ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_name.attr); |
6996abf0 NB |
1346 | if (ret) |
1347 | goto out_device; | |
fa74419b | 1348 | |
6f2fad74 NB |
1349 | /* Create key enumeration sysfs files */ |
1350 | ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group); | |
1351 | if (ret) | |
6996abf0 | 1352 | goto out_name; |
6f2fad74 NB |
1353 | |
1354 | /* create fan files */ | |
1355 | count = applesmc_get_fan_count(); | |
1356 | if (count < 0) { | |
1357 | printk(KERN_ERR "applesmc: Cannot get the number of fans.\n"); | |
1358 | } else { | |
1359 | printk(KERN_INFO "applesmc: %d fans found.\n", count); | |
1360 | ||
1361 | switch (count) { | |
1362 | default: | |
8de57709 RR |
1363 | printk(KERN_WARNING "applesmc: More than 4 fans found," |
1364 | " but at most 4 fans are supported" | |
6f2fad74 | 1365 | " by the driver.\n"); |
8de57709 RR |
1366 | case 4: |
1367 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1368 | &fan_attribute_groups[3]); | |
1369 | if (ret) | |
1370 | goto out_key_enumeration; | |
1371 | case 3: | |
1372 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1373 | &fan_attribute_groups[2]); | |
1374 | if (ret) | |
1375 | goto out_key_enumeration; | |
6f2fad74 NB |
1376 | case 2: |
1377 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1378 | &fan_attribute_groups[1]); | |
1379 | if (ret) | |
1380 | goto out_key_enumeration; | |
1381 | case 1: | |
1382 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1383 | &fan_attribute_groups[0]); | |
1384 | if (ret) | |
1385 | goto out_fan_1; | |
1386 | case 0: | |
1387 | ; | |
1388 | } | |
1389 | } | |
1390 | ||
1391 | for (i = 0; | |
1392 | temperature_sensors_sets[applesmc_temperature_set][i] != NULL; | |
1393 | i++) { | |
1394 | if (temperature_attributes[i] == NULL) { | |
1395 | printk(KERN_ERR "applesmc: More temperature sensors " | |
1396 | "in temperature_sensors_sets (at least %i)" | |
1397 | "than available sysfs files in " | |
1398 | "temperature_attributes (%i), please report " | |
1399 | "this bug.\n", i, i-1); | |
1400 | goto out_temperature; | |
1401 | } | |
1402 | ret = sysfs_create_file(&pdev->dev.kobj, | |
1403 | temperature_attributes[i]); | |
1404 | if (ret) | |
1405 | goto out_temperature; | |
1406 | } | |
1407 | ||
1408 | if (applesmc_accelerometer) { | |
1409 | ret = applesmc_create_accelerometer(); | |
1410 | if (ret) | |
1411 | goto out_temperature; | |
1412 | } | |
1413 | ||
1414 | if (applesmc_light) { | |
1415 | /* Add light sensor file */ | |
1416 | ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1417 | if (ret) | |
1418 | goto out_accelerometer; | |
1419 | ||
1420 | /* Create the workqueue */ | |
1421 | applesmc_led_wq = create_singlethread_workqueue("applesmc-led"); | |
1422 | if (!applesmc_led_wq) { | |
1423 | ret = -ENOMEM; | |
1424 | goto out_light_sysfs; | |
1425 | } | |
1426 | ||
1427 | /* register as a led device */ | |
1428 | ret = led_classdev_register(&pdev->dev, &applesmc_backlight); | |
1429 | if (ret < 0) | |
1430 | goto out_light_wq; | |
1431 | } | |
1432 | ||
1beeffe4 TJ |
1433 | hwmon_dev = hwmon_device_register(&pdev->dev); |
1434 | if (IS_ERR(hwmon_dev)) { | |
1435 | ret = PTR_ERR(hwmon_dev); | |
6f2fad74 NB |
1436 | goto out_light_ledclass; |
1437 | } | |
1438 | ||
1439 | printk(KERN_INFO "applesmc: driver successfully loaded.\n"); | |
1440 | ||
1441 | return 0; | |
1442 | ||
1443 | out_light_ledclass: | |
1444 | if (applesmc_light) | |
1445 | led_classdev_unregister(&applesmc_backlight); | |
1446 | out_light_wq: | |
1447 | if (applesmc_light) | |
1448 | destroy_workqueue(applesmc_led_wq); | |
1449 | out_light_sysfs: | |
1450 | if (applesmc_light) | |
1451 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1452 | out_accelerometer: | |
1453 | if (applesmc_accelerometer) | |
1454 | applesmc_release_accelerometer(); | |
1455 | out_temperature: | |
1456 | sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); | |
1457 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); | |
1458 | out_fan_1: | |
1459 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); | |
1460 | out_key_enumeration: | |
1461 | sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); | |
6996abf0 NB |
1462 | out_name: |
1463 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); | |
6f2fad74 NB |
1464 | out_device: |
1465 | platform_device_unregister(pdev); | |
1466 | out_driver: | |
1467 | platform_driver_unregister(&applesmc_driver); | |
1468 | out_region: | |
1469 | release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); | |
1470 | out: | |
1471 | printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); | |
1472 | return ret; | |
1473 | } | |
1474 | ||
1475 | static void __exit applesmc_exit(void) | |
1476 | { | |
1beeffe4 | 1477 | hwmon_device_unregister(hwmon_dev); |
6f2fad74 NB |
1478 | if (applesmc_light) { |
1479 | led_classdev_unregister(&applesmc_backlight); | |
1480 | destroy_workqueue(applesmc_led_wq); | |
1481 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1482 | } | |
1483 | if (applesmc_accelerometer) | |
1484 | applesmc_release_accelerometer(); | |
1485 | sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); | |
1486 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); | |
1487 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); | |
1488 | sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); | |
6996abf0 | 1489 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); |
6f2fad74 NB |
1490 | platform_device_unregister(pdev); |
1491 | platform_driver_unregister(&applesmc_driver); | |
1492 | release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); | |
1493 | ||
1494 | printk(KERN_INFO "applesmc: driver unloaded.\n"); | |
1495 | } | |
1496 | ||
1497 | module_init(applesmc_init); | |
1498 | module_exit(applesmc_exit); | |
1499 | ||
1500 | MODULE_AUTHOR("Nicolas Boichat"); | |
1501 | MODULE_DESCRIPTION("Apple SMC"); | |
1502 | MODULE_LICENSE("GPL v2"); |