Commit | Line | Data |
---|---|---|
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 | ||
8c9398d1 HR |
52 | #define APPLESMC_MIN_WAIT 0x0040 |
53 | #define APPLESMC_MAX_WAIT 0x8000 | |
54 | ||
6f2fad74 NB |
55 | #define APPLESMC_STATUS_MASK 0x0f |
56 | #define APPLESMC_READ_CMD 0x10 | |
57 | #define APPLESMC_WRITE_CMD 0x11 | |
58 | #define APPLESMC_GET_KEY_BY_INDEX_CMD 0x12 | |
59 | #define APPLESMC_GET_KEY_TYPE_CMD 0x13 | |
60 | ||
61 | #define KEY_COUNT_KEY "#KEY" /* r-o ui32 */ | |
62 | ||
8bd1a12a HR |
63 | #define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6-10 bytes) */ |
64 | #define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6-10 bytes) */ | |
d5cf2b99 | 65 | #define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ |
6f2fad74 | 66 | |
d5cf2b99 | 67 | #define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ |
6f2fad74 NB |
68 | |
69 | #define MOTION_SENSOR_X_KEY "MO_X" /* r-o sp78 (2 bytes) */ | |
70 | #define MOTION_SENSOR_Y_KEY "MO_Y" /* r-o sp78 (2 bytes) */ | |
71 | #define MOTION_SENSOR_Z_KEY "MO_Z" /* r-o sp78 (2 bytes) */ | |
72 | #define MOTION_SENSOR_KEY "MOCN" /* r/w ui16 */ | |
73 | ||
74 | #define FANS_COUNT "FNum" /* r-o ui8 */ | |
75 | #define FANS_MANUAL "FS! " /* r-w ui16 */ | |
76 | #define FAN_ACTUAL_SPEED "F0Ac" /* r-o fpe2 (2 bytes) */ | |
77 | #define FAN_MIN_SPEED "F0Mn" /* r-o fpe2 (2 bytes) */ | |
78 | #define FAN_MAX_SPEED "F0Mx" /* r-o fpe2 (2 bytes) */ | |
79 | #define FAN_SAFE_SPEED "F0Sf" /* r-o fpe2 (2 bytes) */ | |
80 | #define FAN_TARGET_SPEED "F0Tg" /* r-w fpe2 (2 bytes) */ | |
81 | #define FAN_POSITION "F0ID" /* r-o char[16] */ | |
82 | ||
83 | /* | |
84 | * Temperature sensors keys (sp78 - 2 bytes). | |
6f2fad74 | 85 | */ |
8de57709 | 86 | static const char* temperature_sensors_sets[][36] = { |
1bed24b9 | 87 | /* Set 0: Macbook Pro */ |
6f2fad74 NB |
88 | { "TA0P", "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "Th0H", |
89 | "Th1H", "Tm0P", "Ts0P", "Ts1P", NULL }, | |
cd19ba13 RO |
90 | /* Set 1: Macbook2 set */ |
91 | { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "TTF0", "Th0H", | |
92 | "Th0S", "Th1H", NULL }, | |
93 | /* Set 2: Macbook set */ | |
1bed24b9 MS |
94 | { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "Th0H", "Th0S", |
95 | "Th1H", "Ts0P", NULL }, | |
cd19ba13 | 96 | /* Set 3: Macmini set */ |
8de57709 | 97 | { "TC0D", "TC0P", NULL }, |
cd19ba13 | 98 | /* Set 4: Mac Pro (2 x Quad-Core) */ |
8de57709 RR |
99 | { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P", |
100 | "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "THTG", "TH0P", | |
101 | "TH1P", "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S", | |
102 | "TM1P", "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P", | |
103 | "TM9S", "TN0H", "TS0C", NULL }, | |
9f86f28d RDI |
104 | /* Set 5: iMac */ |
105 | { "TC0D", "TA0P", "TG0P", "TG0D", "TG0H", "TH0P", "Tm0P", "TO0P", | |
106 | "Tp0C", NULL }, | |
f91a79fe GS |
107 | /* Set 6: Macbook3 set */ |
108 | { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TTF0", "TW0P", "Th0H", | |
109 | "Th0S", "Th1H", NULL }, | |
f5274c97 HR |
110 | /* Set 7: Macbook Air */ |
111 | { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TC0P", "TCFP", | |
112 | "TTF0", "TW0P", "Th0H", "Tp0P", "TpFP", "Ts0P", "Ts0S", NULL }, | |
d7549905 HR |
113 | /* Set 8: Macbook Pro 4,1 (Penryn) */ |
114 | { "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H", | |
115 | "Th1H", "Th2H", "Tm0P", "Ts0P", NULL }, | |
07e8dbd3 HR |
116 | /* Set 9: Macbook Pro 3,1 (Santa Rosa) */ |
117 | { "TALP", "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", | |
118 | "Th0H", "Th1H", "Th2H", "Tm0P", "Ts0P", NULL }, | |
6e3530fa HR |
119 | /* Set 10: iMac 5,1 */ |
120 | { "TA0P", "TC0D", "TC0P", "TG0D", "TH0P", "TO0P", "Tm0P", NULL }, | |
181209a1 HR |
121 | /* Set 11: Macbook 5,1 */ |
122 | { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0P", "TN0D", "TN0P", | |
123 | "TTF0", "Th0H", "Th1H", "ThFH", "Ts0P", "Ts0S", NULL }, | |
a6660325 HR |
124 | /* Set 12: Macbook Pro 5,1 */ |
125 | { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TG0D", | |
126 | "TG0F", "TG0H", "TG0P", "TG0T", "TG1H", "TN0D", "TN0P", "TTF0", | |
127 | "Th2H", "Tm0P", "Ts0P", "Ts0S", NULL }, | |
eefc488f HR |
128 | /* Set 13: iMac 8,1 */ |
129 | { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TG0P", "TH0P", | |
130 | "TL0P", "TO0P", "TW0P", "Tm0P", "Tp0P", NULL }, | |
9ca791bb HR |
131 | /* Set 14: iMac 6,1 */ |
132 | { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TG0P", "TH0P", | |
133 | "TO0P", "Tp0P", NULL }, | |
6f2fad74 NB |
134 | }; |
135 | ||
136 | /* List of keys used to read/write fan speeds */ | |
137 | static const char* fan_speed_keys[] = { | |
138 | FAN_ACTUAL_SPEED, | |
139 | FAN_MIN_SPEED, | |
140 | FAN_MAX_SPEED, | |
141 | FAN_SAFE_SPEED, | |
142 | FAN_TARGET_SPEED | |
143 | }; | |
144 | ||
145 | #define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */ | |
146 | #define INIT_WAIT_MSECS 50 /* ... in 50ms increments */ | |
147 | ||
d5cf2b99 | 148 | #define APPLESMC_POLL_INTERVAL 50 /* msecs */ |
6f2fad74 NB |
149 | #define APPLESMC_INPUT_FUZZ 4 /* input event threshold */ |
150 | #define APPLESMC_INPUT_FLAT 4 | |
151 | ||
152 | #define SENSOR_X 0 | |
153 | #define SENSOR_Y 1 | |
154 | #define SENSOR_Z 2 | |
155 | ||
156 | /* Structure to be passed to DMI_MATCH function */ | |
157 | struct dmi_match_data { | |
158 | /* Indicates whether this computer has an accelerometer. */ | |
159 | int accelerometer; | |
160 | /* Indicates whether this computer has light sensors and keyboard backlight. */ | |
161 | int light; | |
162 | /* Indicates which temperature sensors set to use. */ | |
163 | int temperature_set; | |
164 | }; | |
165 | ||
166 | static const int debug; | |
167 | static struct platform_device *pdev; | |
168 | static s16 rest_x; | |
169 | static s16 rest_y; | |
1beeffe4 | 170 | static struct device *hwmon_dev; |
d5cf2b99 | 171 | static struct input_polled_dev *applesmc_idev; |
6f2fad74 NB |
172 | |
173 | /* Indicates whether this computer has an accelerometer. */ | |
174 | static unsigned int applesmc_accelerometer; | |
175 | ||
176 | /* Indicates whether this computer has light sensors and keyboard backlight. */ | |
177 | static unsigned int applesmc_light; | |
178 | ||
179 | /* Indicates which temperature sensors set to use. */ | |
180 | static unsigned int applesmc_temperature_set; | |
181 | ||
d5cf2b99 | 182 | static DEFINE_MUTEX(applesmc_lock); |
6f2fad74 NB |
183 | |
184 | /* | |
185 | * Last index written to key_at_index sysfs file, and value to use for all other | |
186 | * key_at_index_* sysfs files. | |
187 | */ | |
188 | static unsigned int key_at_index; | |
189 | ||
190 | static struct workqueue_struct *applesmc_led_wq; | |
191 | ||
192 | /* | |
8c9398d1 | 193 | * __wait_status - Wait up to 32ms for the status port to get a certain value |
6f2fad74 NB |
194 | * (masked with 0x0f), returning zero if the value is obtained. Callers must |
195 | * hold applesmc_lock. | |
196 | */ | |
197 | static int __wait_status(u8 val) | |
198 | { | |
8c9398d1 | 199 | int us; |
6f2fad74 NB |
200 | |
201 | val = val & APPLESMC_STATUS_MASK; | |
202 | ||
8c9398d1 HR |
203 | for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) { |
204 | udelay(us); | |
6f2fad74 NB |
205 | if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) { |
206 | if (debug) | |
207 | printk(KERN_DEBUG | |
8c9398d1 HR |
208 | "Waited %d us for status %x\n", |
209 | 2 * us - APPLESMC_MIN_WAIT, val); | |
6f2fad74 NB |
210 | return 0; |
211 | } | |
6f2fad74 NB |
212 | } |
213 | ||
214 | printk(KERN_WARNING "applesmc: wait status failed: %x != %x\n", | |
215 | val, inb(APPLESMC_CMD_PORT)); | |
216 | ||
217 | return -EIO; | |
218 | } | |
219 | ||
84d2d7f2 HR |
220 | /* |
221 | * special treatment of command port - on newer macbooks, it seems necessary | |
222 | * to resend the command byte before polling the status again. Callers must | |
223 | * hold applesmc_lock. | |
224 | */ | |
225 | static int send_command(u8 cmd) | |
226 | { | |
8c9398d1 HR |
227 | int us; |
228 | for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) { | |
84d2d7f2 | 229 | outb(cmd, APPLESMC_CMD_PORT); |
8c9398d1 | 230 | udelay(us); |
84d2d7f2 HR |
231 | if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == 0x0c) |
232 | return 0; | |
84d2d7f2 HR |
233 | } |
234 | printk(KERN_WARNING "applesmc: command failed: %x -> %x\n", | |
235 | cmd, inb(APPLESMC_CMD_PORT)); | |
236 | return -EIO; | |
237 | } | |
238 | ||
6f2fad74 NB |
239 | /* |
240 | * applesmc_read_key - reads len bytes from a given key, and put them in buffer. | |
241 | * Returns zero on success or a negative error on failure. Callers must | |
242 | * hold applesmc_lock. | |
243 | */ | |
244 | static int applesmc_read_key(const char* key, u8* buffer, u8 len) | |
245 | { | |
246 | int i; | |
247 | ||
248 | if (len > APPLESMC_MAX_DATA_LENGTH) { | |
249 | printk(KERN_ERR "applesmc_read_key: cannot read more than " | |
250 | "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); | |
251 | return -EINVAL; | |
252 | } | |
253 | ||
84d2d7f2 | 254 | if (send_command(APPLESMC_READ_CMD)) |
6f2fad74 NB |
255 | return -EIO; |
256 | ||
257 | for (i = 0; i < 4; i++) { | |
258 | outb(key[i], APPLESMC_DATA_PORT); | |
259 | if (__wait_status(0x04)) | |
260 | return -EIO; | |
261 | } | |
262 | if (debug) | |
263 | printk(KERN_DEBUG "<%s", key); | |
264 | ||
265 | outb(len, APPLESMC_DATA_PORT); | |
266 | if (debug) | |
267 | printk(KERN_DEBUG ">%x", len); | |
268 | ||
269 | for (i = 0; i < len; i++) { | |
270 | if (__wait_status(0x05)) | |
271 | return -EIO; | |
272 | buffer[i] = inb(APPLESMC_DATA_PORT); | |
273 | if (debug) | |
274 | printk(KERN_DEBUG "<%x", buffer[i]); | |
275 | } | |
276 | if (debug) | |
277 | printk(KERN_DEBUG "\n"); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | /* | |
283 | * applesmc_write_key - writes len bytes from buffer to a given key. | |
284 | * Returns zero on success or a negative error on failure. Callers must | |
285 | * hold applesmc_lock. | |
286 | */ | |
287 | static int applesmc_write_key(const char* key, u8* buffer, u8 len) | |
288 | { | |
289 | int i; | |
290 | ||
291 | if (len > APPLESMC_MAX_DATA_LENGTH) { | |
292 | printk(KERN_ERR "applesmc_write_key: cannot write more than " | |
293 | "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); | |
294 | return -EINVAL; | |
295 | } | |
296 | ||
84d2d7f2 | 297 | if (send_command(APPLESMC_WRITE_CMD)) |
6f2fad74 NB |
298 | return -EIO; |
299 | ||
300 | for (i = 0; i < 4; i++) { | |
301 | outb(key[i], APPLESMC_DATA_PORT); | |
302 | if (__wait_status(0x04)) | |
303 | return -EIO; | |
304 | } | |
305 | ||
306 | outb(len, APPLESMC_DATA_PORT); | |
307 | ||
308 | for (i = 0; i < len; i++) { | |
309 | if (__wait_status(0x04)) | |
310 | return -EIO; | |
311 | outb(buffer[i], APPLESMC_DATA_PORT); | |
312 | } | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
317 | /* | |
318 | * applesmc_get_key_at_index - get key at index, and put the result in key | |
319 | * (char[6]). Returns zero on success or a negative error on failure. Callers | |
320 | * must hold applesmc_lock. | |
321 | */ | |
322 | static int applesmc_get_key_at_index(int index, char* key) | |
323 | { | |
324 | int i; | |
325 | u8 readkey[4]; | |
326 | readkey[0] = index >> 24; | |
327 | readkey[1] = index >> 16; | |
328 | readkey[2] = index >> 8; | |
329 | readkey[3] = index; | |
330 | ||
84d2d7f2 | 331 | if (send_command(APPLESMC_GET_KEY_BY_INDEX_CMD)) |
6f2fad74 NB |
332 | return -EIO; |
333 | ||
334 | for (i = 0; i < 4; i++) { | |
335 | outb(readkey[i], APPLESMC_DATA_PORT); | |
336 | if (__wait_status(0x04)) | |
337 | return -EIO; | |
338 | } | |
339 | ||
340 | outb(4, APPLESMC_DATA_PORT); | |
341 | ||
342 | for (i = 0; i < 4; i++) { | |
343 | if (__wait_status(0x05)) | |
344 | return -EIO; | |
345 | key[i] = inb(APPLESMC_DATA_PORT); | |
346 | } | |
347 | key[4] = 0; | |
348 | ||
349 | return 0; | |
350 | } | |
351 | ||
352 | /* | |
353 | * applesmc_get_key_type - get key type, and put the result in type (char[6]). | |
354 | * Returns zero on success or a negative error on failure. Callers must | |
355 | * hold applesmc_lock. | |
356 | */ | |
357 | static int applesmc_get_key_type(char* key, char* type) | |
358 | { | |
359 | int i; | |
360 | ||
84d2d7f2 | 361 | if (send_command(APPLESMC_GET_KEY_TYPE_CMD)) |
6f2fad74 NB |
362 | return -EIO; |
363 | ||
364 | for (i = 0; i < 4; i++) { | |
365 | outb(key[i], APPLESMC_DATA_PORT); | |
366 | if (__wait_status(0x04)) | |
367 | return -EIO; | |
368 | } | |
369 | ||
05224091 | 370 | outb(6, APPLESMC_DATA_PORT); |
6f2fad74 NB |
371 | |
372 | for (i = 0; i < 6; i++) { | |
373 | if (__wait_status(0x05)) | |
374 | return -EIO; | |
375 | type[i] = inb(APPLESMC_DATA_PORT); | |
376 | } | |
377 | type[5] = 0; | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | /* | |
383 | * applesmc_read_motion_sensor - Read motion sensor (X, Y or Z). Callers must | |
384 | * hold applesmc_lock. | |
385 | */ | |
386 | static int applesmc_read_motion_sensor(int index, s16* value) | |
387 | { | |
388 | u8 buffer[2]; | |
389 | int ret; | |
390 | ||
391 | switch (index) { | |
392 | case SENSOR_X: | |
393 | ret = applesmc_read_key(MOTION_SENSOR_X_KEY, buffer, 2); | |
394 | break; | |
395 | case SENSOR_Y: | |
396 | ret = applesmc_read_key(MOTION_SENSOR_Y_KEY, buffer, 2); | |
397 | break; | |
398 | case SENSOR_Z: | |
399 | ret = applesmc_read_key(MOTION_SENSOR_Z_KEY, buffer, 2); | |
400 | break; | |
401 | default: | |
402 | ret = -EINVAL; | |
403 | } | |
404 | ||
405 | *value = ((s16)buffer[0] << 8) | buffer[1]; | |
406 | ||
407 | return ret; | |
408 | } | |
409 | ||
410 | /* | |
411 | * applesmc_device_init - initialize the accelerometer. Returns zero on success | |
412 | * and negative error code on failure. Can sleep. | |
413 | */ | |
414 | static int applesmc_device_init(void) | |
415 | { | |
416 | int total, ret = -ENXIO; | |
417 | u8 buffer[2]; | |
418 | ||
419 | if (!applesmc_accelerometer) | |
420 | return 0; | |
421 | ||
422 | mutex_lock(&applesmc_lock); | |
423 | ||
424 | for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) { | |
425 | if (debug) | |
426 | printk(KERN_DEBUG "applesmc try %d\n", total); | |
427 | if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) && | |
428 | (buffer[0] != 0x00 || buffer[1] != 0x00)) { | |
429 | if (total == INIT_TIMEOUT_MSECS) { | |
430 | printk(KERN_DEBUG "applesmc: device has" | |
431 | " already been initialized" | |
432 | " (0x%02x, 0x%02x).\n", | |
433 | buffer[0], buffer[1]); | |
434 | } else { | |
435 | printk(KERN_DEBUG "applesmc: device" | |
436 | " successfully initialized" | |
437 | " (0x%02x, 0x%02x).\n", | |
438 | buffer[0], buffer[1]); | |
439 | } | |
440 | ret = 0; | |
441 | goto out; | |
442 | } | |
443 | buffer[0] = 0xe0; | |
444 | buffer[1] = 0x00; | |
445 | applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2); | |
446 | msleep(INIT_WAIT_MSECS); | |
447 | } | |
448 | ||
449 | printk(KERN_WARNING "applesmc: failed to init the device\n"); | |
450 | ||
451 | out: | |
452 | mutex_unlock(&applesmc_lock); | |
453 | return ret; | |
454 | } | |
455 | ||
456 | /* | |
457 | * applesmc_get_fan_count - get the number of fans. Callers must NOT hold | |
458 | * applesmc_lock. | |
459 | */ | |
460 | static int applesmc_get_fan_count(void) | |
461 | { | |
462 | int ret; | |
463 | u8 buffer[1]; | |
464 | ||
465 | mutex_lock(&applesmc_lock); | |
466 | ||
467 | ret = applesmc_read_key(FANS_COUNT, buffer, 1); | |
468 | ||
469 | mutex_unlock(&applesmc_lock); | |
470 | if (ret) | |
471 | return ret; | |
472 | else | |
473 | return buffer[0]; | |
474 | } | |
475 | ||
476 | /* Device model stuff */ | |
477 | static int applesmc_probe(struct platform_device *dev) | |
478 | { | |
479 | int ret; | |
480 | ||
481 | ret = applesmc_device_init(); | |
482 | if (ret) | |
483 | return ret; | |
484 | ||
485 | printk(KERN_INFO "applesmc: device successfully initialized.\n"); | |
486 | return 0; | |
487 | } | |
488 | ||
489 | static int applesmc_resume(struct platform_device *dev) | |
490 | { | |
491 | return applesmc_device_init(); | |
492 | } | |
493 | ||
494 | static struct platform_driver applesmc_driver = { | |
495 | .probe = applesmc_probe, | |
496 | .resume = applesmc_resume, | |
497 | .driver = { | |
498 | .name = "applesmc", | |
499 | .owner = THIS_MODULE, | |
500 | }, | |
501 | }; | |
502 | ||
503 | /* | |
504 | * applesmc_calibrate - Set our "resting" values. Callers must | |
505 | * hold applesmc_lock. | |
506 | */ | |
507 | static void applesmc_calibrate(void) | |
508 | { | |
509 | applesmc_read_motion_sensor(SENSOR_X, &rest_x); | |
510 | applesmc_read_motion_sensor(SENSOR_Y, &rest_y); | |
511 | rest_x = -rest_x; | |
512 | } | |
513 | ||
d5cf2b99 | 514 | static void applesmc_idev_poll(struct input_polled_dev *dev) |
6f2fad74 | 515 | { |
d5cf2b99 | 516 | struct input_dev *idev = dev->input; |
6f2fad74 NB |
517 | s16 x, y; |
518 | ||
d5cf2b99 | 519 | mutex_lock(&applesmc_lock); |
6f2fad74 NB |
520 | |
521 | if (applesmc_read_motion_sensor(SENSOR_X, &x)) | |
522 | goto out; | |
523 | if (applesmc_read_motion_sensor(SENSOR_Y, &y)) | |
524 | goto out; | |
525 | ||
526 | x = -x; | |
d5cf2b99 DT |
527 | input_report_abs(idev, ABS_X, x - rest_x); |
528 | input_report_abs(idev, ABS_Y, y - rest_y); | |
529 | input_sync(idev); | |
6f2fad74 NB |
530 | |
531 | out: | |
6f2fad74 NB |
532 | mutex_unlock(&applesmc_lock); |
533 | } | |
534 | ||
535 | /* Sysfs Files */ | |
536 | ||
fa74419b NB |
537 | static ssize_t applesmc_name_show(struct device *dev, |
538 | struct device_attribute *attr, char *buf) | |
539 | { | |
540 | return snprintf(buf, PAGE_SIZE, "applesmc\n"); | |
541 | } | |
542 | ||
6f2fad74 NB |
543 | static ssize_t applesmc_position_show(struct device *dev, |
544 | struct device_attribute *attr, char *buf) | |
545 | { | |
546 | int ret; | |
547 | s16 x, y, z; | |
548 | ||
549 | mutex_lock(&applesmc_lock); | |
550 | ||
551 | ret = applesmc_read_motion_sensor(SENSOR_X, &x); | |
552 | if (ret) | |
553 | goto out; | |
554 | ret = applesmc_read_motion_sensor(SENSOR_Y, &y); | |
555 | if (ret) | |
556 | goto out; | |
557 | ret = applesmc_read_motion_sensor(SENSOR_Z, &z); | |
558 | if (ret) | |
559 | goto out; | |
560 | ||
561 | out: | |
562 | mutex_unlock(&applesmc_lock); | |
563 | if (ret) | |
564 | return ret; | |
565 | else | |
566 | return snprintf(buf, PAGE_SIZE, "(%d,%d,%d)\n", x, y, z); | |
567 | } | |
568 | ||
569 | static ssize_t applesmc_light_show(struct device *dev, | |
570 | struct device_attribute *attr, char *sysfsbuf) | |
571 | { | |
8bd1a12a | 572 | static int data_length; |
6f2fad74 NB |
573 | int ret; |
574 | u8 left = 0, right = 0; | |
8bd1a12a | 575 | u8 buffer[10], query[6]; |
6f2fad74 NB |
576 | |
577 | mutex_lock(&applesmc_lock); | |
578 | ||
8bd1a12a HR |
579 | if (!data_length) { |
580 | ret = applesmc_get_key_type(LIGHT_SENSOR_LEFT_KEY, query); | |
581 | if (ret) | |
582 | goto out; | |
583 | data_length = clamp_val(query[0], 0, 10); | |
584 | printk(KERN_INFO "applesmc: light sensor data length set to " | |
585 | "%d\n", data_length); | |
586 | } | |
587 | ||
588 | ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length); | |
6f2fad74 NB |
589 | left = buffer[2]; |
590 | if (ret) | |
591 | goto out; | |
8bd1a12a | 592 | ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); |
6f2fad74 NB |
593 | right = buffer[2]; |
594 | ||
595 | out: | |
596 | mutex_unlock(&applesmc_lock); | |
597 | if (ret) | |
598 | return ret; | |
599 | else | |
600 | return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", left, right); | |
601 | } | |
602 | ||
603 | /* Displays degree Celsius * 1000 */ | |
604 | static ssize_t applesmc_show_temperature(struct device *dev, | |
605 | struct device_attribute *devattr, char *sysfsbuf) | |
606 | { | |
607 | int ret; | |
608 | u8 buffer[2]; | |
609 | unsigned int temp; | |
610 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
611 | const char* key = | |
612 | temperature_sensors_sets[applesmc_temperature_set][attr->index]; | |
613 | ||
614 | mutex_lock(&applesmc_lock); | |
615 | ||
616 | ret = applesmc_read_key(key, buffer, 2); | |
617 | temp = buffer[0]*1000; | |
618 | temp += (buffer[1] >> 6) * 250; | |
619 | ||
620 | mutex_unlock(&applesmc_lock); | |
621 | ||
622 | if (ret) | |
623 | return ret; | |
624 | else | |
625 | return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", temp); | |
626 | } | |
627 | ||
628 | static ssize_t applesmc_show_fan_speed(struct device *dev, | |
629 | struct device_attribute *attr, char *sysfsbuf) | |
630 | { | |
631 | int ret; | |
632 | unsigned int speed = 0; | |
633 | char newkey[5]; | |
634 | u8 buffer[2]; | |
635 | struct sensor_device_attribute_2 *sensor_attr = | |
636 | to_sensor_dev_attr_2(attr); | |
637 | ||
638 | newkey[0] = fan_speed_keys[sensor_attr->nr][0]; | |
639 | newkey[1] = '0' + sensor_attr->index; | |
640 | newkey[2] = fan_speed_keys[sensor_attr->nr][2]; | |
641 | newkey[3] = fan_speed_keys[sensor_attr->nr][3]; | |
642 | newkey[4] = 0; | |
643 | ||
644 | mutex_lock(&applesmc_lock); | |
645 | ||
646 | ret = applesmc_read_key(newkey, buffer, 2); | |
647 | speed = ((buffer[0] << 8 | buffer[1]) >> 2); | |
648 | ||
649 | mutex_unlock(&applesmc_lock); | |
650 | if (ret) | |
651 | return ret; | |
652 | else | |
653 | return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); | |
654 | } | |
655 | ||
656 | static ssize_t applesmc_store_fan_speed(struct device *dev, | |
657 | struct device_attribute *attr, | |
658 | const char *sysfsbuf, size_t count) | |
659 | { | |
660 | int ret; | |
661 | u32 speed; | |
662 | char newkey[5]; | |
663 | u8 buffer[2]; | |
664 | struct sensor_device_attribute_2 *sensor_attr = | |
665 | to_sensor_dev_attr_2(attr); | |
666 | ||
667 | speed = simple_strtoul(sysfsbuf, NULL, 10); | |
668 | ||
669 | if (speed > 0x4000) /* Bigger than a 14-bit value */ | |
670 | return -EINVAL; | |
671 | ||
672 | newkey[0] = fan_speed_keys[sensor_attr->nr][0]; | |
673 | newkey[1] = '0' + sensor_attr->index; | |
674 | newkey[2] = fan_speed_keys[sensor_attr->nr][2]; | |
675 | newkey[3] = fan_speed_keys[sensor_attr->nr][3]; | |
676 | newkey[4] = 0; | |
677 | ||
678 | mutex_lock(&applesmc_lock); | |
679 | ||
680 | buffer[0] = (speed >> 6) & 0xff; | |
681 | buffer[1] = (speed << 2) & 0xff; | |
682 | ret = applesmc_write_key(newkey, buffer, 2); | |
683 | ||
684 | mutex_unlock(&applesmc_lock); | |
685 | if (ret) | |
686 | return ret; | |
687 | else | |
688 | return count; | |
689 | } | |
690 | ||
691 | static ssize_t applesmc_show_fan_manual(struct device *dev, | |
692 | struct device_attribute *devattr, char *sysfsbuf) | |
693 | { | |
694 | int ret; | |
695 | u16 manual = 0; | |
696 | u8 buffer[2]; | |
697 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
698 | ||
699 | mutex_lock(&applesmc_lock); | |
700 | ||
701 | ret = applesmc_read_key(FANS_MANUAL, buffer, 2); | |
702 | manual = ((buffer[0] << 8 | buffer[1]) >> attr->index) & 0x01; | |
703 | ||
704 | mutex_unlock(&applesmc_lock); | |
705 | if (ret) | |
706 | return ret; | |
707 | else | |
708 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); | |
709 | } | |
710 | ||
711 | static ssize_t applesmc_store_fan_manual(struct device *dev, | |
712 | struct device_attribute *devattr, | |
713 | const char *sysfsbuf, size_t count) | |
714 | { | |
715 | int ret; | |
716 | u8 buffer[2]; | |
717 | u32 input; | |
718 | u16 val; | |
719 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
720 | ||
721 | input = simple_strtoul(sysfsbuf, NULL, 10); | |
722 | ||
723 | mutex_lock(&applesmc_lock); | |
724 | ||
725 | ret = applesmc_read_key(FANS_MANUAL, buffer, 2); | |
726 | val = (buffer[0] << 8 | buffer[1]); | |
727 | if (ret) | |
728 | goto out; | |
729 | ||
730 | if (input) | |
731 | val = val | (0x01 << attr->index); | |
732 | else | |
733 | val = val & ~(0x01 << attr->index); | |
734 | ||
735 | buffer[0] = (val >> 8) & 0xFF; | |
736 | buffer[1] = val & 0xFF; | |
737 | ||
738 | ret = applesmc_write_key(FANS_MANUAL, buffer, 2); | |
739 | ||
740 | out: | |
741 | mutex_unlock(&applesmc_lock); | |
742 | if (ret) | |
743 | return ret; | |
744 | else | |
745 | return count; | |
746 | } | |
747 | ||
748 | static ssize_t applesmc_show_fan_position(struct device *dev, | |
749 | struct device_attribute *attr, char *sysfsbuf) | |
750 | { | |
751 | int ret; | |
752 | char newkey[5]; | |
753 | u8 buffer[17]; | |
754 | struct sensor_device_attribute_2 *sensor_attr = | |
755 | to_sensor_dev_attr_2(attr); | |
756 | ||
757 | newkey[0] = FAN_POSITION[0]; | |
758 | newkey[1] = '0' + sensor_attr->index; | |
759 | newkey[2] = FAN_POSITION[2]; | |
760 | newkey[3] = FAN_POSITION[3]; | |
761 | newkey[4] = 0; | |
762 | ||
763 | mutex_lock(&applesmc_lock); | |
764 | ||
765 | ret = applesmc_read_key(newkey, buffer, 16); | |
766 | buffer[16] = 0; | |
767 | ||
768 | mutex_unlock(&applesmc_lock); | |
769 | if (ret) | |
770 | return ret; | |
771 | else | |
772 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", buffer+4); | |
773 | } | |
774 | ||
775 | static ssize_t applesmc_calibrate_show(struct device *dev, | |
776 | struct device_attribute *attr, char *sysfsbuf) | |
777 | { | |
778 | return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", rest_x, rest_y); | |
779 | } | |
780 | ||
781 | static ssize_t applesmc_calibrate_store(struct device *dev, | |
782 | struct device_attribute *attr, const char *sysfsbuf, size_t count) | |
783 | { | |
784 | mutex_lock(&applesmc_lock); | |
785 | applesmc_calibrate(); | |
786 | mutex_unlock(&applesmc_lock); | |
787 | ||
788 | return count; | |
789 | } | |
790 | ||
791 | /* Store the next backlight value to be written by the work */ | |
792 | static unsigned int backlight_value; | |
793 | ||
794 | static void applesmc_backlight_set(struct work_struct *work) | |
795 | { | |
796 | u8 buffer[2]; | |
797 | ||
798 | mutex_lock(&applesmc_lock); | |
799 | buffer[0] = backlight_value; | |
800 | buffer[1] = 0x00; | |
801 | applesmc_write_key(BACKLIGHT_KEY, buffer, 2); | |
802 | mutex_unlock(&applesmc_lock); | |
803 | } | |
804 | static DECLARE_WORK(backlight_work, &applesmc_backlight_set); | |
805 | ||
806 | static void applesmc_brightness_set(struct led_classdev *led_cdev, | |
807 | enum led_brightness value) | |
808 | { | |
809 | int ret; | |
810 | ||
811 | backlight_value = value; | |
812 | ret = queue_work(applesmc_led_wq, &backlight_work); | |
813 | ||
814 | if (debug && (!ret)) | |
815 | printk(KERN_DEBUG "applesmc: work was already on the queue.\n"); | |
816 | } | |
817 | ||
818 | static ssize_t applesmc_key_count_show(struct device *dev, | |
819 | struct device_attribute *attr, char *sysfsbuf) | |
820 | { | |
821 | int ret; | |
822 | u8 buffer[4]; | |
823 | u32 count; | |
824 | ||
825 | mutex_lock(&applesmc_lock); | |
826 | ||
827 | ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); | |
828 | count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + | |
829 | ((u32)buffer[2]<<8) + buffer[3]; | |
830 | ||
831 | mutex_unlock(&applesmc_lock); | |
832 | if (ret) | |
833 | return ret; | |
834 | else | |
835 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); | |
836 | } | |
837 | ||
838 | static ssize_t applesmc_key_at_index_read_show(struct device *dev, | |
839 | struct device_attribute *attr, char *sysfsbuf) | |
840 | { | |
841 | char key[5]; | |
842 | char info[6]; | |
843 | int ret; | |
844 | ||
845 | mutex_lock(&applesmc_lock); | |
846 | ||
847 | ret = applesmc_get_key_at_index(key_at_index, key); | |
848 | ||
849 | if (ret || !key[0]) { | |
850 | mutex_unlock(&applesmc_lock); | |
851 | ||
852 | return -EINVAL; | |
853 | } | |
854 | ||
855 | ret = applesmc_get_key_type(key, info); | |
856 | ||
857 | if (ret) { | |
858 | mutex_unlock(&applesmc_lock); | |
859 | ||
860 | return ret; | |
861 | } | |
862 | ||
863 | /* | |
864 | * info[0] maximum value (APPLESMC_MAX_DATA_LENGTH) is much lower than | |
865 | * PAGE_SIZE, so we don't need any checks before writing to sysfsbuf. | |
866 | */ | |
867 | ret = applesmc_read_key(key, sysfsbuf, info[0]); | |
868 | ||
869 | mutex_unlock(&applesmc_lock); | |
870 | ||
871 | if (!ret) { | |
872 | return info[0]; | |
d5cf2b99 | 873 | } else { |
6f2fad74 NB |
874 | return ret; |
875 | } | |
876 | } | |
877 | ||
878 | static ssize_t applesmc_key_at_index_data_length_show(struct device *dev, | |
879 | struct device_attribute *attr, char *sysfsbuf) | |
880 | { | |
881 | char key[5]; | |
882 | char info[6]; | |
883 | int ret; | |
884 | ||
885 | mutex_lock(&applesmc_lock); | |
886 | ||
887 | ret = applesmc_get_key_at_index(key_at_index, key); | |
888 | ||
889 | if (ret || !key[0]) { | |
890 | mutex_unlock(&applesmc_lock); | |
891 | ||
892 | return -EINVAL; | |
893 | } | |
894 | ||
895 | ret = applesmc_get_key_type(key, info); | |
896 | ||
897 | mutex_unlock(&applesmc_lock); | |
898 | ||
899 | if (!ret) | |
900 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", info[0]); | |
901 | else | |
902 | return ret; | |
903 | } | |
904 | ||
905 | static ssize_t applesmc_key_at_index_type_show(struct device *dev, | |
906 | struct device_attribute *attr, char *sysfsbuf) | |
907 | { | |
908 | char key[5]; | |
909 | char info[6]; | |
910 | int ret; | |
911 | ||
912 | mutex_lock(&applesmc_lock); | |
913 | ||
914 | ret = applesmc_get_key_at_index(key_at_index, key); | |
915 | ||
916 | if (ret || !key[0]) { | |
917 | mutex_unlock(&applesmc_lock); | |
918 | ||
919 | return -EINVAL; | |
920 | } | |
921 | ||
922 | ret = applesmc_get_key_type(key, info); | |
923 | ||
924 | mutex_unlock(&applesmc_lock); | |
925 | ||
926 | if (!ret) | |
927 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", info+1); | |
928 | else | |
929 | return ret; | |
930 | } | |
931 | ||
932 | static ssize_t applesmc_key_at_index_name_show(struct device *dev, | |
933 | struct device_attribute *attr, char *sysfsbuf) | |
934 | { | |
935 | char key[5]; | |
936 | int ret; | |
937 | ||
938 | mutex_lock(&applesmc_lock); | |
939 | ||
940 | ret = applesmc_get_key_at_index(key_at_index, key); | |
941 | ||
942 | mutex_unlock(&applesmc_lock); | |
943 | ||
944 | if (!ret && key[0]) | |
945 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", key); | |
946 | else | |
947 | return -EINVAL; | |
948 | } | |
949 | ||
950 | static ssize_t applesmc_key_at_index_show(struct device *dev, | |
951 | struct device_attribute *attr, char *sysfsbuf) | |
952 | { | |
953 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", key_at_index); | |
954 | } | |
955 | ||
956 | static ssize_t applesmc_key_at_index_store(struct device *dev, | |
957 | struct device_attribute *attr, const char *sysfsbuf, size_t count) | |
958 | { | |
959 | mutex_lock(&applesmc_lock); | |
960 | ||
961 | key_at_index = simple_strtoul(sysfsbuf, NULL, 10); | |
962 | ||
963 | mutex_unlock(&applesmc_lock); | |
964 | ||
965 | return count; | |
966 | } | |
967 | ||
968 | static struct led_classdev applesmc_backlight = { | |
6c152bee | 969 | .name = "smc::kbd_backlight", |
6f2fad74 NB |
970 | .default_trigger = "nand-disk", |
971 | .brightness_set = applesmc_brightness_set, | |
972 | }; | |
973 | ||
fa74419b NB |
974 | static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL); |
975 | ||
6f2fad74 NB |
976 | static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL); |
977 | static DEVICE_ATTR(calibrate, 0644, | |
978 | applesmc_calibrate_show, applesmc_calibrate_store); | |
979 | ||
980 | static struct attribute *accelerometer_attributes[] = { | |
981 | &dev_attr_position.attr, | |
982 | &dev_attr_calibrate.attr, | |
983 | NULL | |
984 | }; | |
985 | ||
986 | static const struct attribute_group accelerometer_attributes_group = | |
987 | { .attrs = accelerometer_attributes }; | |
988 | ||
989 | static DEVICE_ATTR(light, 0444, applesmc_light_show, NULL); | |
990 | ||
991 | static DEVICE_ATTR(key_count, 0444, applesmc_key_count_show, NULL); | |
992 | static DEVICE_ATTR(key_at_index, 0644, | |
993 | applesmc_key_at_index_show, applesmc_key_at_index_store); | |
994 | static DEVICE_ATTR(key_at_index_name, 0444, | |
995 | applesmc_key_at_index_name_show, NULL); | |
996 | static DEVICE_ATTR(key_at_index_type, 0444, | |
997 | applesmc_key_at_index_type_show, NULL); | |
998 | static DEVICE_ATTR(key_at_index_data_length, 0444, | |
999 | applesmc_key_at_index_data_length_show, NULL); | |
1000 | static DEVICE_ATTR(key_at_index_data, 0444, | |
1001 | applesmc_key_at_index_read_show, NULL); | |
1002 | ||
1003 | static struct attribute *key_enumeration_attributes[] = { | |
1004 | &dev_attr_key_count.attr, | |
1005 | &dev_attr_key_at_index.attr, | |
1006 | &dev_attr_key_at_index_name.attr, | |
1007 | &dev_attr_key_at_index_type.attr, | |
1008 | &dev_attr_key_at_index_data_length.attr, | |
1009 | &dev_attr_key_at_index_data.attr, | |
1010 | NULL | |
1011 | }; | |
1012 | ||
1013 | static const struct attribute_group key_enumeration_group = | |
1014 | { .attrs = key_enumeration_attributes }; | |
1015 | ||
1016 | /* | |
1017 | * Macro defining SENSOR_DEVICE_ATTR for a fan sysfs entries. | |
1018 | * - show actual speed | |
1019 | * - show/store minimum speed | |
1020 | * - show maximum speed | |
1021 | * - show safe speed | |
1022 | * - show/store target speed | |
1023 | * - show/store manual mode | |
1024 | */ | |
1025 | #define sysfs_fan_speeds_offset(offset) \ | |
1026 | static SENSOR_DEVICE_ATTR_2(fan##offset##_input, S_IRUGO, \ | |
1027 | applesmc_show_fan_speed, NULL, 0, offset-1); \ | |
1028 | \ | |
1029 | static SENSOR_DEVICE_ATTR_2(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
1030 | applesmc_show_fan_speed, applesmc_store_fan_speed, 1, offset-1); \ | |
1031 | \ | |
1032 | static SENSOR_DEVICE_ATTR_2(fan##offset##_max, S_IRUGO, \ | |
1033 | applesmc_show_fan_speed, NULL, 2, offset-1); \ | |
1034 | \ | |
1035 | static SENSOR_DEVICE_ATTR_2(fan##offset##_safe, S_IRUGO, \ | |
1036 | applesmc_show_fan_speed, NULL, 3, offset-1); \ | |
1037 | \ | |
1038 | static SENSOR_DEVICE_ATTR_2(fan##offset##_output, S_IRUGO | S_IWUSR, \ | |
1039 | applesmc_show_fan_speed, applesmc_store_fan_speed, 4, offset-1); \ | |
1040 | \ | |
1041 | static SENSOR_DEVICE_ATTR(fan##offset##_manual, S_IRUGO | S_IWUSR, \ | |
1042 | applesmc_show_fan_manual, applesmc_store_fan_manual, offset-1); \ | |
1043 | \ | |
da4e8ca3 | 1044 | static SENSOR_DEVICE_ATTR(fan##offset##_label, S_IRUGO, \ |
6f2fad74 NB |
1045 | applesmc_show_fan_position, NULL, offset-1); \ |
1046 | \ | |
1047 | static struct attribute *fan##offset##_attributes[] = { \ | |
1048 | &sensor_dev_attr_fan##offset##_input.dev_attr.attr, \ | |
1049 | &sensor_dev_attr_fan##offset##_min.dev_attr.attr, \ | |
1050 | &sensor_dev_attr_fan##offset##_max.dev_attr.attr, \ | |
1051 | &sensor_dev_attr_fan##offset##_safe.dev_attr.attr, \ | |
1052 | &sensor_dev_attr_fan##offset##_output.dev_attr.attr, \ | |
1053 | &sensor_dev_attr_fan##offset##_manual.dev_attr.attr, \ | |
da4e8ca3 | 1054 | &sensor_dev_attr_fan##offset##_label.dev_attr.attr, \ |
6f2fad74 NB |
1055 | NULL \ |
1056 | }; | |
1057 | ||
1058 | /* | |
1059 | * Create the needed functions for each fan using the macro defined above | |
8de57709 | 1060 | * (4 fans are supported) |
6f2fad74 NB |
1061 | */ |
1062 | sysfs_fan_speeds_offset(1); | |
1063 | sysfs_fan_speeds_offset(2); | |
8de57709 RR |
1064 | sysfs_fan_speeds_offset(3); |
1065 | sysfs_fan_speeds_offset(4); | |
6f2fad74 NB |
1066 | |
1067 | static const struct attribute_group fan_attribute_groups[] = { | |
1068 | { .attrs = fan1_attributes }, | |
8de57709 RR |
1069 | { .attrs = fan2_attributes }, |
1070 | { .attrs = fan3_attributes }, | |
1071 | { .attrs = fan4_attributes }, | |
6f2fad74 NB |
1072 | }; |
1073 | ||
1074 | /* | |
1075 | * Temperature sensors sysfs entries. | |
1076 | */ | |
1077 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, | |
1078 | applesmc_show_temperature, NULL, 0); | |
1079 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, | |
1080 | applesmc_show_temperature, NULL, 1); | |
1081 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, | |
1082 | applesmc_show_temperature, NULL, 2); | |
1083 | static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, | |
1084 | applesmc_show_temperature, NULL, 3); | |
1085 | static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, | |
1086 | applesmc_show_temperature, NULL, 4); | |
1087 | static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, | |
1088 | applesmc_show_temperature, NULL, 5); | |
1089 | static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, | |
1090 | applesmc_show_temperature, NULL, 6); | |
1091 | static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, | |
1092 | applesmc_show_temperature, NULL, 7); | |
1093 | static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, | |
1094 | applesmc_show_temperature, NULL, 8); | |
1095 | static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, | |
1096 | applesmc_show_temperature, NULL, 9); | |
1097 | static SENSOR_DEVICE_ATTR(temp11_input, S_IRUGO, | |
1098 | applesmc_show_temperature, NULL, 10); | |
1099 | static SENSOR_DEVICE_ATTR(temp12_input, S_IRUGO, | |
1100 | applesmc_show_temperature, NULL, 11); | |
8de57709 RR |
1101 | static SENSOR_DEVICE_ATTR(temp13_input, S_IRUGO, |
1102 | applesmc_show_temperature, NULL, 12); | |
1103 | static SENSOR_DEVICE_ATTR(temp14_input, S_IRUGO, | |
1104 | applesmc_show_temperature, NULL, 13); | |
1105 | static SENSOR_DEVICE_ATTR(temp15_input, S_IRUGO, | |
1106 | applesmc_show_temperature, NULL, 14); | |
1107 | static SENSOR_DEVICE_ATTR(temp16_input, S_IRUGO, | |
1108 | applesmc_show_temperature, NULL, 15); | |
1109 | static SENSOR_DEVICE_ATTR(temp17_input, S_IRUGO, | |
1110 | applesmc_show_temperature, NULL, 16); | |
1111 | static SENSOR_DEVICE_ATTR(temp18_input, S_IRUGO, | |
1112 | applesmc_show_temperature, NULL, 17); | |
1113 | static SENSOR_DEVICE_ATTR(temp19_input, S_IRUGO, | |
1114 | applesmc_show_temperature, NULL, 18); | |
1115 | static SENSOR_DEVICE_ATTR(temp20_input, S_IRUGO, | |
1116 | applesmc_show_temperature, NULL, 19); | |
1117 | static SENSOR_DEVICE_ATTR(temp21_input, S_IRUGO, | |
1118 | applesmc_show_temperature, NULL, 20); | |
1119 | static SENSOR_DEVICE_ATTR(temp22_input, S_IRUGO, | |
1120 | applesmc_show_temperature, NULL, 21); | |
1121 | static SENSOR_DEVICE_ATTR(temp23_input, S_IRUGO, | |
1122 | applesmc_show_temperature, NULL, 22); | |
1123 | static SENSOR_DEVICE_ATTR(temp24_input, S_IRUGO, | |
1124 | applesmc_show_temperature, NULL, 23); | |
1125 | static SENSOR_DEVICE_ATTR(temp25_input, S_IRUGO, | |
1126 | applesmc_show_temperature, NULL, 24); | |
1127 | static SENSOR_DEVICE_ATTR(temp26_input, S_IRUGO, | |
1128 | applesmc_show_temperature, NULL, 25); | |
1129 | static SENSOR_DEVICE_ATTR(temp27_input, S_IRUGO, | |
1130 | applesmc_show_temperature, NULL, 26); | |
1131 | static SENSOR_DEVICE_ATTR(temp28_input, S_IRUGO, | |
1132 | applesmc_show_temperature, NULL, 27); | |
1133 | static SENSOR_DEVICE_ATTR(temp29_input, S_IRUGO, | |
1134 | applesmc_show_temperature, NULL, 28); | |
1135 | static SENSOR_DEVICE_ATTR(temp30_input, S_IRUGO, | |
1136 | applesmc_show_temperature, NULL, 29); | |
1137 | static SENSOR_DEVICE_ATTR(temp31_input, S_IRUGO, | |
1138 | applesmc_show_temperature, NULL, 30); | |
1139 | static SENSOR_DEVICE_ATTR(temp32_input, S_IRUGO, | |
1140 | applesmc_show_temperature, NULL, 31); | |
1141 | static SENSOR_DEVICE_ATTR(temp33_input, S_IRUGO, | |
1142 | applesmc_show_temperature, NULL, 32); | |
1143 | static SENSOR_DEVICE_ATTR(temp34_input, S_IRUGO, | |
1144 | applesmc_show_temperature, NULL, 33); | |
1145 | static SENSOR_DEVICE_ATTR(temp35_input, S_IRUGO, | |
1146 | applesmc_show_temperature, NULL, 34); | |
6f2fad74 NB |
1147 | |
1148 | static struct attribute *temperature_attributes[] = { | |
1149 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1150 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1151 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1152 | &sensor_dev_attr_temp4_input.dev_attr.attr, | |
1153 | &sensor_dev_attr_temp5_input.dev_attr.attr, | |
1154 | &sensor_dev_attr_temp6_input.dev_attr.attr, | |
1155 | &sensor_dev_attr_temp7_input.dev_attr.attr, | |
1156 | &sensor_dev_attr_temp8_input.dev_attr.attr, | |
1157 | &sensor_dev_attr_temp9_input.dev_attr.attr, | |
1158 | &sensor_dev_attr_temp10_input.dev_attr.attr, | |
1159 | &sensor_dev_attr_temp11_input.dev_attr.attr, | |
1160 | &sensor_dev_attr_temp12_input.dev_attr.attr, | |
8de57709 RR |
1161 | &sensor_dev_attr_temp13_input.dev_attr.attr, |
1162 | &sensor_dev_attr_temp14_input.dev_attr.attr, | |
1163 | &sensor_dev_attr_temp15_input.dev_attr.attr, | |
1164 | &sensor_dev_attr_temp16_input.dev_attr.attr, | |
1165 | &sensor_dev_attr_temp17_input.dev_attr.attr, | |
1166 | &sensor_dev_attr_temp18_input.dev_attr.attr, | |
1167 | &sensor_dev_attr_temp19_input.dev_attr.attr, | |
1168 | &sensor_dev_attr_temp20_input.dev_attr.attr, | |
1169 | &sensor_dev_attr_temp21_input.dev_attr.attr, | |
1170 | &sensor_dev_attr_temp22_input.dev_attr.attr, | |
1171 | &sensor_dev_attr_temp23_input.dev_attr.attr, | |
1172 | &sensor_dev_attr_temp24_input.dev_attr.attr, | |
1173 | &sensor_dev_attr_temp25_input.dev_attr.attr, | |
1174 | &sensor_dev_attr_temp26_input.dev_attr.attr, | |
1175 | &sensor_dev_attr_temp27_input.dev_attr.attr, | |
1176 | &sensor_dev_attr_temp28_input.dev_attr.attr, | |
1177 | &sensor_dev_attr_temp29_input.dev_attr.attr, | |
1178 | &sensor_dev_attr_temp30_input.dev_attr.attr, | |
1179 | &sensor_dev_attr_temp31_input.dev_attr.attr, | |
1180 | &sensor_dev_attr_temp32_input.dev_attr.attr, | |
1181 | &sensor_dev_attr_temp33_input.dev_attr.attr, | |
1182 | &sensor_dev_attr_temp34_input.dev_attr.attr, | |
1183 | &sensor_dev_attr_temp35_input.dev_attr.attr, | |
6f2fad74 NB |
1184 | NULL |
1185 | }; | |
1186 | ||
1187 | static const struct attribute_group temperature_attributes_group = | |
1188 | { .attrs = temperature_attributes }; | |
1189 | ||
1190 | /* Module stuff */ | |
1191 | ||
1192 | /* | |
1193 | * applesmc_dmi_match - found a match. return one, short-circuiting the hunt. | |
1194 | */ | |
1855256c | 1195 | static int applesmc_dmi_match(const struct dmi_system_id *id) |
6f2fad74 NB |
1196 | { |
1197 | int i = 0; | |
1198 | struct dmi_match_data* dmi_data = id->driver_data; | |
1199 | printk(KERN_INFO "applesmc: %s detected:\n", id->ident); | |
1200 | applesmc_accelerometer = dmi_data->accelerometer; | |
1201 | printk(KERN_INFO "applesmc: - Model %s accelerometer\n", | |
1202 | applesmc_accelerometer ? "with" : "without"); | |
1203 | applesmc_light = dmi_data->light; | |
1204 | printk(KERN_INFO "applesmc: - Model %s light sensors and backlight\n", | |
1205 | applesmc_light ? "with" : "without"); | |
1206 | ||
1207 | applesmc_temperature_set = dmi_data->temperature_set; | |
1208 | while (temperature_sensors_sets[applesmc_temperature_set][i] != NULL) | |
1209 | i++; | |
1210 | printk(KERN_INFO "applesmc: - Model with %d temperature sensors\n", i); | |
1211 | return 1; | |
1212 | } | |
1213 | ||
1214 | /* Create accelerometer ressources */ | |
1215 | static int applesmc_create_accelerometer(void) | |
1216 | { | |
d5cf2b99 | 1217 | struct input_dev *idev; |
6f2fad74 NB |
1218 | int ret; |
1219 | ||
1220 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1221 | &accelerometer_attributes_group); | |
1222 | if (ret) | |
1223 | goto out; | |
1224 | ||
d5cf2b99 | 1225 | applesmc_idev = input_allocate_polled_device(); |
6f2fad74 NB |
1226 | if (!applesmc_idev) { |
1227 | ret = -ENOMEM; | |
1228 | goto out_sysfs; | |
1229 | } | |
1230 | ||
d5cf2b99 DT |
1231 | applesmc_idev->poll = applesmc_idev_poll; |
1232 | applesmc_idev->poll_interval = APPLESMC_POLL_INTERVAL; | |
1233 | ||
6f2fad74 NB |
1234 | /* initial calibrate for the input device */ |
1235 | applesmc_calibrate(); | |
1236 | ||
d5cf2b99 DT |
1237 | /* initialize the input device */ |
1238 | idev = applesmc_idev->input; | |
1239 | idev->name = "applesmc"; | |
1240 | idev->id.bustype = BUS_HOST; | |
1241 | idev->dev.parent = &pdev->dev; | |
7b19ada2 | 1242 | idev->evbit[0] = BIT_MASK(EV_ABS); |
d5cf2b99 | 1243 | input_set_abs_params(idev, ABS_X, |
6f2fad74 | 1244 | -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); |
d5cf2b99 | 1245 | input_set_abs_params(idev, ABS_Y, |
6f2fad74 NB |
1246 | -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); |
1247 | ||
d5cf2b99 | 1248 | ret = input_register_polled_device(applesmc_idev); |
6f2fad74 NB |
1249 | if (ret) |
1250 | goto out_idev; | |
1251 | ||
6f2fad74 NB |
1252 | return 0; |
1253 | ||
1254 | out_idev: | |
d5cf2b99 | 1255 | input_free_polled_device(applesmc_idev); |
6f2fad74 NB |
1256 | |
1257 | out_sysfs: | |
1258 | sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); | |
1259 | ||
1260 | out: | |
1261 | printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); | |
1262 | return ret; | |
1263 | } | |
1264 | ||
1265 | /* Release all ressources used by the accelerometer */ | |
1266 | static void applesmc_release_accelerometer(void) | |
1267 | { | |
d5cf2b99 DT |
1268 | input_unregister_polled_device(applesmc_idev); |
1269 | input_free_polled_device(applesmc_idev); | |
6f2fad74 NB |
1270 | sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); |
1271 | } | |
1272 | ||
1273 | static __initdata struct dmi_match_data applesmc_dmi_data[] = { | |
1274 | /* MacBook Pro: accelerometer, backlight and temperature set 0 */ | |
1275 | { .accelerometer = 1, .light = 1, .temperature_set = 0 }, | |
cd19ba13 | 1276 | /* MacBook2: accelerometer and temperature set 1 */ |
1bed24b9 | 1277 | { .accelerometer = 1, .light = 0, .temperature_set = 1 }, |
cd19ba13 RO |
1278 | /* MacBook: accelerometer and temperature set 2 */ |
1279 | { .accelerometer = 1, .light = 0, .temperature_set = 2 }, | |
1280 | /* MacMini: temperature set 3 */ | |
8de57709 | 1281 | { .accelerometer = 0, .light = 0, .temperature_set = 3 }, |
cd19ba13 RO |
1282 | /* MacPro: temperature set 4 */ |
1283 | { .accelerometer = 0, .light = 0, .temperature_set = 4 }, | |
9f86f28d RDI |
1284 | /* iMac: temperature set 5 */ |
1285 | { .accelerometer = 0, .light = 0, .temperature_set = 5 }, | |
468cc032 | 1286 | /* MacBook3, MacBook4: accelerometer and temperature set 6 */ |
f91a79fe | 1287 | { .accelerometer = 1, .light = 0, .temperature_set = 6 }, |
f5274c97 HR |
1288 | /* MacBook Air: accelerometer, backlight and temperature set 7 */ |
1289 | { .accelerometer = 1, .light = 1, .temperature_set = 7 }, | |
d7549905 HR |
1290 | /* MacBook Pro 4: accelerometer, backlight and temperature set 8 */ |
1291 | { .accelerometer = 1, .light = 1, .temperature_set = 8 }, | |
07e8dbd3 HR |
1292 | /* MacBook Pro 3: accelerometer, backlight and temperature set 9 */ |
1293 | { .accelerometer = 1, .light = 1, .temperature_set = 9 }, | |
6e3530fa HR |
1294 | /* iMac 5: light sensor only, temperature set 10 */ |
1295 | { .accelerometer = 0, .light = 0, .temperature_set = 10 }, | |
181209a1 HR |
1296 | /* MacBook 5: accelerometer, backlight and temperature set 11 */ |
1297 | { .accelerometer = 1, .light = 1, .temperature_set = 11 }, | |
a6660325 HR |
1298 | /* MacBook Pro 5: accelerometer, backlight and temperature set 12 */ |
1299 | { .accelerometer = 1, .light = 1, .temperature_set = 12 }, | |
eefc488f HR |
1300 | /* iMac 8: light sensor only, temperature set 13 */ |
1301 | { .accelerometer = 0, .light = 0, .temperature_set = 13 }, | |
9ca791bb HR |
1302 | /* iMac 6: light sensor only, temperature set 14 */ |
1303 | { .accelerometer = 0, .light = 0, .temperature_set = 14 }, | |
6f2fad74 NB |
1304 | }; |
1305 | ||
1306 | /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". | |
1307 | * So we need to put "Apple MacBook Pro" before "Apple MacBook". */ | |
1308 | static __initdata struct dmi_system_id applesmc_whitelist[] = { | |
f5274c97 HR |
1309 | { applesmc_dmi_match, "Apple MacBook Air", { |
1310 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1311 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, | |
7b5e3cb2 | 1312 | &applesmc_dmi_data[7]}, |
a6660325 HR |
1313 | { applesmc_dmi_match, "Apple MacBook Pro 5", { |
1314 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1315 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5") }, | |
1316 | &applesmc_dmi_data[12]}, | |
d7549905 HR |
1317 | { applesmc_dmi_match, "Apple MacBook Pro 4", { |
1318 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1319 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") }, | |
1320 | &applesmc_dmi_data[8]}, | |
07e8dbd3 HR |
1321 | { applesmc_dmi_match, "Apple MacBook Pro 3", { |
1322 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1323 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3") }, | |
1324 | &applesmc_dmi_data[9]}, | |
6f2fad74 NB |
1325 | { applesmc_dmi_match, "Apple MacBook Pro", { |
1326 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1327 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") }, | |
7b5e3cb2 | 1328 | &applesmc_dmi_data[0]}, |
f91a79fe | 1329 | { applesmc_dmi_match, "Apple MacBook (v2)", { |
6f2fad74 | 1330 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), |
cd19ba13 | 1331 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") }, |
7b5e3cb2 | 1332 | &applesmc_dmi_data[1]}, |
f91a79fe GS |
1333 | { applesmc_dmi_match, "Apple MacBook (v3)", { |
1334 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1335 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") }, | |
7b5e3cb2 | 1336 | &applesmc_dmi_data[6]}, |
468cc032 HR |
1337 | { applesmc_dmi_match, "Apple MacBook 4", { |
1338 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1339 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4") }, | |
1340 | &applesmc_dmi_data[6]}, | |
181209a1 HR |
1341 | { applesmc_dmi_match, "Apple MacBook 5", { |
1342 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1343 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5") }, | |
1344 | &applesmc_dmi_data[11]}, | |
cd19ba13 RO |
1345 | { applesmc_dmi_match, "Apple MacBook", { |
1346 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1347 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, | |
7b5e3cb2 | 1348 | &applesmc_dmi_data[2]}, |
6f2fad74 NB |
1349 | { applesmc_dmi_match, "Apple Macmini", { |
1350 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1351 | DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") }, | |
7b5e3cb2 | 1352 | &applesmc_dmi_data[3]}, |
8de57709 RR |
1353 | { applesmc_dmi_match, "Apple MacPro2", { |
1354 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1355 | DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, | |
7b5e3cb2 | 1356 | &applesmc_dmi_data[4]}, |
45a3a36b HR |
1357 | { applesmc_dmi_match, "Apple MacPro", { |
1358 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1359 | DMI_MATCH(DMI_PRODUCT_NAME, "MacPro") }, | |
1360 | &applesmc_dmi_data[4]}, | |
eefc488f HR |
1361 | { applesmc_dmi_match, "Apple iMac 8", { |
1362 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1363 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac8") }, | |
1364 | &applesmc_dmi_data[13]}, | |
9ca791bb HR |
1365 | { applesmc_dmi_match, "Apple iMac 6", { |
1366 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1367 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac6") }, | |
1368 | &applesmc_dmi_data[14]}, | |
6e3530fa HR |
1369 | { applesmc_dmi_match, "Apple iMac 5", { |
1370 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1371 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac5") }, | |
1372 | &applesmc_dmi_data[10]}, | |
9f86f28d RDI |
1373 | { applesmc_dmi_match, "Apple iMac", { |
1374 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1375 | DMI_MATCH(DMI_PRODUCT_NAME,"iMac") }, | |
7b5e3cb2 | 1376 | &applesmc_dmi_data[5]}, |
6f2fad74 NB |
1377 | { .ident = NULL } |
1378 | }; | |
1379 | ||
1380 | static int __init applesmc_init(void) | |
1381 | { | |
1382 | int ret; | |
1383 | int count; | |
1384 | int i; | |
1385 | ||
6f2fad74 NB |
1386 | if (!dmi_check_system(applesmc_whitelist)) { |
1387 | printk(KERN_WARNING "applesmc: supported laptop not found!\n"); | |
1388 | ret = -ENODEV; | |
1389 | goto out; | |
1390 | } | |
1391 | ||
1392 | if (!request_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS, | |
1393 | "applesmc")) { | |
1394 | ret = -ENXIO; | |
1395 | goto out; | |
1396 | } | |
1397 | ||
1398 | ret = platform_driver_register(&applesmc_driver); | |
1399 | if (ret) | |
1400 | goto out_region; | |
1401 | ||
ddfbf2af JD |
1402 | pdev = platform_device_register_simple("applesmc", APPLESMC_DATA_PORT, |
1403 | NULL, 0); | |
6f2fad74 NB |
1404 | if (IS_ERR(pdev)) { |
1405 | ret = PTR_ERR(pdev); | |
1406 | goto out_driver; | |
1407 | } | |
1408 | ||
fa74419b | 1409 | ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_name.attr); |
6996abf0 NB |
1410 | if (ret) |
1411 | goto out_device; | |
fa74419b | 1412 | |
6f2fad74 NB |
1413 | /* Create key enumeration sysfs files */ |
1414 | ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group); | |
1415 | if (ret) | |
6996abf0 | 1416 | goto out_name; |
6f2fad74 NB |
1417 | |
1418 | /* create fan files */ | |
1419 | count = applesmc_get_fan_count(); | |
1420 | if (count < 0) { | |
1421 | printk(KERN_ERR "applesmc: Cannot get the number of fans.\n"); | |
1422 | } else { | |
1423 | printk(KERN_INFO "applesmc: %d fans found.\n", count); | |
1424 | ||
1425 | switch (count) { | |
1426 | default: | |
8de57709 RR |
1427 | printk(KERN_WARNING "applesmc: More than 4 fans found," |
1428 | " but at most 4 fans are supported" | |
6f2fad74 | 1429 | " by the driver.\n"); |
8de57709 RR |
1430 | case 4: |
1431 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1432 | &fan_attribute_groups[3]); | |
1433 | if (ret) | |
1434 | goto out_key_enumeration; | |
1435 | case 3: | |
1436 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1437 | &fan_attribute_groups[2]); | |
1438 | if (ret) | |
1439 | goto out_key_enumeration; | |
6f2fad74 NB |
1440 | case 2: |
1441 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1442 | &fan_attribute_groups[1]); | |
1443 | if (ret) | |
1444 | goto out_key_enumeration; | |
1445 | case 1: | |
1446 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1447 | &fan_attribute_groups[0]); | |
1448 | if (ret) | |
1449 | goto out_fan_1; | |
1450 | case 0: | |
1451 | ; | |
1452 | } | |
1453 | } | |
1454 | ||
1455 | for (i = 0; | |
1456 | temperature_sensors_sets[applesmc_temperature_set][i] != NULL; | |
1457 | i++) { | |
1458 | if (temperature_attributes[i] == NULL) { | |
1459 | printk(KERN_ERR "applesmc: More temperature sensors " | |
1460 | "in temperature_sensors_sets (at least %i)" | |
1461 | "than available sysfs files in " | |
1462 | "temperature_attributes (%i), please report " | |
1463 | "this bug.\n", i, i-1); | |
1464 | goto out_temperature; | |
1465 | } | |
1466 | ret = sysfs_create_file(&pdev->dev.kobj, | |
1467 | temperature_attributes[i]); | |
1468 | if (ret) | |
1469 | goto out_temperature; | |
1470 | } | |
1471 | ||
1472 | if (applesmc_accelerometer) { | |
1473 | ret = applesmc_create_accelerometer(); | |
1474 | if (ret) | |
1475 | goto out_temperature; | |
1476 | } | |
1477 | ||
1478 | if (applesmc_light) { | |
1479 | /* Add light sensor file */ | |
1480 | ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1481 | if (ret) | |
1482 | goto out_accelerometer; | |
1483 | ||
1484 | /* Create the workqueue */ | |
1485 | applesmc_led_wq = create_singlethread_workqueue("applesmc-led"); | |
1486 | if (!applesmc_led_wq) { | |
1487 | ret = -ENOMEM; | |
1488 | goto out_light_sysfs; | |
1489 | } | |
1490 | ||
1491 | /* register as a led device */ | |
1492 | ret = led_classdev_register(&pdev->dev, &applesmc_backlight); | |
1493 | if (ret < 0) | |
1494 | goto out_light_wq; | |
1495 | } | |
1496 | ||
1beeffe4 TJ |
1497 | hwmon_dev = hwmon_device_register(&pdev->dev); |
1498 | if (IS_ERR(hwmon_dev)) { | |
1499 | ret = PTR_ERR(hwmon_dev); | |
6f2fad74 NB |
1500 | goto out_light_ledclass; |
1501 | } | |
1502 | ||
1503 | printk(KERN_INFO "applesmc: driver successfully loaded.\n"); | |
1504 | ||
1505 | return 0; | |
1506 | ||
1507 | out_light_ledclass: | |
1508 | if (applesmc_light) | |
1509 | led_classdev_unregister(&applesmc_backlight); | |
1510 | out_light_wq: | |
1511 | if (applesmc_light) | |
1512 | destroy_workqueue(applesmc_led_wq); | |
1513 | out_light_sysfs: | |
1514 | if (applesmc_light) | |
1515 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1516 | out_accelerometer: | |
1517 | if (applesmc_accelerometer) | |
1518 | applesmc_release_accelerometer(); | |
1519 | out_temperature: | |
1520 | sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); | |
1521 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); | |
1522 | out_fan_1: | |
1523 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); | |
1524 | out_key_enumeration: | |
1525 | sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); | |
6996abf0 NB |
1526 | out_name: |
1527 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); | |
6f2fad74 NB |
1528 | out_device: |
1529 | platform_device_unregister(pdev); | |
1530 | out_driver: | |
1531 | platform_driver_unregister(&applesmc_driver); | |
1532 | out_region: | |
1533 | release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); | |
1534 | out: | |
1535 | printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); | |
1536 | return ret; | |
1537 | } | |
1538 | ||
1539 | static void __exit applesmc_exit(void) | |
1540 | { | |
1beeffe4 | 1541 | hwmon_device_unregister(hwmon_dev); |
6f2fad74 NB |
1542 | if (applesmc_light) { |
1543 | led_classdev_unregister(&applesmc_backlight); | |
1544 | destroy_workqueue(applesmc_led_wq); | |
1545 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1546 | } | |
1547 | if (applesmc_accelerometer) | |
1548 | applesmc_release_accelerometer(); | |
1549 | sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); | |
1550 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); | |
1551 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); | |
1552 | sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); | |
6996abf0 | 1553 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); |
6f2fad74 NB |
1554 | platform_device_unregister(pdev); |
1555 | platform_driver_unregister(&applesmc_driver); | |
1556 | release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); | |
1557 | ||
1558 | printk(KERN_INFO "applesmc: driver unloaded.\n"); | |
1559 | } | |
1560 | ||
1561 | module_init(applesmc_init); | |
1562 | module_exit(applesmc_exit); | |
1563 | ||
1564 | MODULE_AUTHOR("Nicolas Boichat"); | |
1565 | MODULE_DESCRIPTION("Apple SMC"); | |
1566 | MODULE_LICENSE("GPL v2"); | |
dc924efb | 1567 | MODULE_DEVICE_TABLE(dmi, applesmc_whitelist); |