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> | |
6055fae8 | 38 | #include <linux/io.h> |
6f2fad74 NB |
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 | */ |
fb9f88e1 | 86 | static const char *temperature_sensors_sets[][41] = { |
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 }, | |
85e0e5ad HR |
134 | /* Set 15: MacBook Air 2,1 */ |
135 | { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TN0D", "TTF0", | |
136 | "TV0P", "TVFP", "TW0P", "Th0P", "Tp0P", "Tp1P", "TpFP", "Ts0P", | |
137 | "Ts0S", NULL }, | |
fb9f88e1 BR |
138 | /* Set 16: Mac Pro 3,1 (2 x Quad-Core) */ |
139 | { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P", | |
140 | "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "TH0P", "TH1P", | |
141 | "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S", "TM1P", | |
142 | "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P", "TM9S", | |
143 | "TN0C", "TN0D", "TN0H", "TS0C", "Tp0C", "Tp1C", "Tv0S", "Tv1S", | |
144 | NULL }, | |
6f2fad74 NB |
145 | }; |
146 | ||
147 | /* List of keys used to read/write fan speeds */ | |
148 | static const char* fan_speed_keys[] = { | |
149 | FAN_ACTUAL_SPEED, | |
150 | FAN_MIN_SPEED, | |
151 | FAN_MAX_SPEED, | |
152 | FAN_SAFE_SPEED, | |
153 | FAN_TARGET_SPEED | |
154 | }; | |
155 | ||
156 | #define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */ | |
157 | #define INIT_WAIT_MSECS 50 /* ... in 50ms increments */ | |
158 | ||
d5cf2b99 | 159 | #define APPLESMC_POLL_INTERVAL 50 /* msecs */ |
6f2fad74 NB |
160 | #define APPLESMC_INPUT_FUZZ 4 /* input event threshold */ |
161 | #define APPLESMC_INPUT_FLAT 4 | |
162 | ||
163 | #define SENSOR_X 0 | |
164 | #define SENSOR_Y 1 | |
165 | #define SENSOR_Z 2 | |
166 | ||
167 | /* Structure to be passed to DMI_MATCH function */ | |
168 | struct dmi_match_data { | |
169 | /* Indicates whether this computer has an accelerometer. */ | |
170 | int accelerometer; | |
171 | /* Indicates whether this computer has light sensors and keyboard backlight. */ | |
172 | int light; | |
173 | /* Indicates which temperature sensors set to use. */ | |
174 | int temperature_set; | |
175 | }; | |
176 | ||
177 | static const int debug; | |
178 | static struct platform_device *pdev; | |
179 | static s16 rest_x; | |
180 | static s16 rest_y; | |
a976f150 HR |
181 | static u8 backlight_state[2]; |
182 | ||
1beeffe4 | 183 | static struct device *hwmon_dev; |
d5cf2b99 | 184 | static struct input_polled_dev *applesmc_idev; |
6f2fad74 NB |
185 | |
186 | /* Indicates whether this computer has an accelerometer. */ | |
187 | static unsigned int applesmc_accelerometer; | |
188 | ||
189 | /* Indicates whether this computer has light sensors and keyboard backlight. */ | |
190 | static unsigned int applesmc_light; | |
191 | ||
192 | /* Indicates which temperature sensors set to use. */ | |
193 | static unsigned int applesmc_temperature_set; | |
194 | ||
d5cf2b99 | 195 | static DEFINE_MUTEX(applesmc_lock); |
6f2fad74 NB |
196 | |
197 | /* | |
198 | * Last index written to key_at_index sysfs file, and value to use for all other | |
199 | * key_at_index_* sysfs files. | |
200 | */ | |
201 | static unsigned int key_at_index; | |
202 | ||
203 | static struct workqueue_struct *applesmc_led_wq; | |
204 | ||
205 | /* | |
8c9398d1 | 206 | * __wait_status - Wait up to 32ms for the status port to get a certain value |
6f2fad74 NB |
207 | * (masked with 0x0f), returning zero if the value is obtained. Callers must |
208 | * hold applesmc_lock. | |
209 | */ | |
210 | static int __wait_status(u8 val) | |
211 | { | |
8c9398d1 | 212 | int us; |
6f2fad74 NB |
213 | |
214 | val = val & APPLESMC_STATUS_MASK; | |
215 | ||
8c9398d1 HR |
216 | for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) { |
217 | udelay(us); | |
6f2fad74 NB |
218 | if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) { |
219 | if (debug) | |
220 | printk(KERN_DEBUG | |
8c9398d1 HR |
221 | "Waited %d us for status %x\n", |
222 | 2 * us - APPLESMC_MIN_WAIT, val); | |
6f2fad74 NB |
223 | return 0; |
224 | } | |
6f2fad74 NB |
225 | } |
226 | ||
227 | printk(KERN_WARNING "applesmc: wait status failed: %x != %x\n", | |
228 | val, inb(APPLESMC_CMD_PORT)); | |
229 | ||
230 | return -EIO; | |
231 | } | |
232 | ||
84d2d7f2 HR |
233 | /* |
234 | * special treatment of command port - on newer macbooks, it seems necessary | |
235 | * to resend the command byte before polling the status again. Callers must | |
236 | * hold applesmc_lock. | |
237 | */ | |
238 | static int send_command(u8 cmd) | |
239 | { | |
8c9398d1 HR |
240 | int us; |
241 | for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) { | |
84d2d7f2 | 242 | outb(cmd, APPLESMC_CMD_PORT); |
8c9398d1 | 243 | udelay(us); |
84d2d7f2 HR |
244 | if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == 0x0c) |
245 | return 0; | |
84d2d7f2 HR |
246 | } |
247 | printk(KERN_WARNING "applesmc: command failed: %x -> %x\n", | |
248 | cmd, inb(APPLESMC_CMD_PORT)); | |
249 | return -EIO; | |
250 | } | |
251 | ||
6f2fad74 NB |
252 | /* |
253 | * applesmc_read_key - reads len bytes from a given key, and put them in buffer. | |
254 | * Returns zero on success or a negative error on failure. Callers must | |
255 | * hold applesmc_lock. | |
256 | */ | |
257 | static int applesmc_read_key(const char* key, u8* buffer, u8 len) | |
258 | { | |
259 | int i; | |
260 | ||
261 | if (len > APPLESMC_MAX_DATA_LENGTH) { | |
262 | printk(KERN_ERR "applesmc_read_key: cannot read more than " | |
263 | "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); | |
264 | return -EINVAL; | |
265 | } | |
266 | ||
84d2d7f2 | 267 | if (send_command(APPLESMC_READ_CMD)) |
6f2fad74 NB |
268 | return -EIO; |
269 | ||
270 | for (i = 0; i < 4; i++) { | |
271 | outb(key[i], APPLESMC_DATA_PORT); | |
272 | if (__wait_status(0x04)) | |
273 | return -EIO; | |
274 | } | |
275 | if (debug) | |
276 | printk(KERN_DEBUG "<%s", key); | |
277 | ||
278 | outb(len, APPLESMC_DATA_PORT); | |
279 | if (debug) | |
280 | printk(KERN_DEBUG ">%x", len); | |
281 | ||
282 | for (i = 0; i < len; i++) { | |
283 | if (__wait_status(0x05)) | |
284 | return -EIO; | |
285 | buffer[i] = inb(APPLESMC_DATA_PORT); | |
286 | if (debug) | |
287 | printk(KERN_DEBUG "<%x", buffer[i]); | |
288 | } | |
289 | if (debug) | |
290 | printk(KERN_DEBUG "\n"); | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | /* | |
296 | * applesmc_write_key - writes len bytes from buffer to a given key. | |
297 | * Returns zero on success or a negative error on failure. Callers must | |
298 | * hold applesmc_lock. | |
299 | */ | |
300 | static int applesmc_write_key(const char* key, u8* buffer, u8 len) | |
301 | { | |
302 | int i; | |
303 | ||
304 | if (len > APPLESMC_MAX_DATA_LENGTH) { | |
305 | printk(KERN_ERR "applesmc_write_key: cannot write more than " | |
306 | "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); | |
307 | return -EINVAL; | |
308 | } | |
309 | ||
84d2d7f2 | 310 | if (send_command(APPLESMC_WRITE_CMD)) |
6f2fad74 NB |
311 | return -EIO; |
312 | ||
313 | for (i = 0; i < 4; i++) { | |
314 | outb(key[i], APPLESMC_DATA_PORT); | |
315 | if (__wait_status(0x04)) | |
316 | return -EIO; | |
317 | } | |
318 | ||
319 | outb(len, APPLESMC_DATA_PORT); | |
320 | ||
321 | for (i = 0; i < len; i++) { | |
322 | if (__wait_status(0x04)) | |
323 | return -EIO; | |
324 | outb(buffer[i], APPLESMC_DATA_PORT); | |
325 | } | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | /* | |
331 | * applesmc_get_key_at_index - get key at index, and put the result in key | |
332 | * (char[6]). Returns zero on success or a negative error on failure. Callers | |
333 | * must hold applesmc_lock. | |
334 | */ | |
335 | static int applesmc_get_key_at_index(int index, char* key) | |
336 | { | |
337 | int i; | |
338 | u8 readkey[4]; | |
339 | readkey[0] = index >> 24; | |
340 | readkey[1] = index >> 16; | |
341 | readkey[2] = index >> 8; | |
342 | readkey[3] = index; | |
343 | ||
84d2d7f2 | 344 | if (send_command(APPLESMC_GET_KEY_BY_INDEX_CMD)) |
6f2fad74 NB |
345 | return -EIO; |
346 | ||
347 | for (i = 0; i < 4; i++) { | |
348 | outb(readkey[i], APPLESMC_DATA_PORT); | |
349 | if (__wait_status(0x04)) | |
350 | return -EIO; | |
351 | } | |
352 | ||
353 | outb(4, APPLESMC_DATA_PORT); | |
354 | ||
355 | for (i = 0; i < 4; i++) { | |
356 | if (__wait_status(0x05)) | |
357 | return -EIO; | |
358 | key[i] = inb(APPLESMC_DATA_PORT); | |
359 | } | |
360 | key[4] = 0; | |
361 | ||
362 | return 0; | |
363 | } | |
364 | ||
365 | /* | |
366 | * applesmc_get_key_type - get key type, and put the result in type (char[6]). | |
367 | * Returns zero on success or a negative error on failure. Callers must | |
368 | * hold applesmc_lock. | |
369 | */ | |
370 | static int applesmc_get_key_type(char* key, char* type) | |
371 | { | |
372 | int i; | |
373 | ||
84d2d7f2 | 374 | if (send_command(APPLESMC_GET_KEY_TYPE_CMD)) |
6f2fad74 NB |
375 | return -EIO; |
376 | ||
377 | for (i = 0; i < 4; i++) { | |
378 | outb(key[i], APPLESMC_DATA_PORT); | |
379 | if (__wait_status(0x04)) | |
380 | return -EIO; | |
381 | } | |
382 | ||
05224091 | 383 | outb(6, APPLESMC_DATA_PORT); |
6f2fad74 NB |
384 | |
385 | for (i = 0; i < 6; i++) { | |
386 | if (__wait_status(0x05)) | |
387 | return -EIO; | |
388 | type[i] = inb(APPLESMC_DATA_PORT); | |
389 | } | |
390 | type[5] = 0; | |
391 | ||
392 | return 0; | |
393 | } | |
394 | ||
395 | /* | |
396 | * applesmc_read_motion_sensor - Read motion sensor (X, Y or Z). Callers must | |
397 | * hold applesmc_lock. | |
398 | */ | |
399 | static int applesmc_read_motion_sensor(int index, s16* value) | |
400 | { | |
401 | u8 buffer[2]; | |
402 | int ret; | |
403 | ||
404 | switch (index) { | |
405 | case SENSOR_X: | |
406 | ret = applesmc_read_key(MOTION_SENSOR_X_KEY, buffer, 2); | |
407 | break; | |
408 | case SENSOR_Y: | |
409 | ret = applesmc_read_key(MOTION_SENSOR_Y_KEY, buffer, 2); | |
410 | break; | |
411 | case SENSOR_Z: | |
412 | ret = applesmc_read_key(MOTION_SENSOR_Z_KEY, buffer, 2); | |
413 | break; | |
414 | default: | |
415 | ret = -EINVAL; | |
416 | } | |
417 | ||
418 | *value = ((s16)buffer[0] << 8) | buffer[1]; | |
419 | ||
420 | return ret; | |
421 | } | |
422 | ||
423 | /* | |
424 | * applesmc_device_init - initialize the accelerometer. Returns zero on success | |
425 | * and negative error code on failure. Can sleep. | |
426 | */ | |
427 | static int applesmc_device_init(void) | |
428 | { | |
429 | int total, ret = -ENXIO; | |
430 | u8 buffer[2]; | |
431 | ||
432 | if (!applesmc_accelerometer) | |
433 | return 0; | |
434 | ||
435 | mutex_lock(&applesmc_lock); | |
436 | ||
437 | for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) { | |
438 | if (debug) | |
439 | printk(KERN_DEBUG "applesmc try %d\n", total); | |
440 | if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) && | |
441 | (buffer[0] != 0x00 || buffer[1] != 0x00)) { | |
442 | if (total == INIT_TIMEOUT_MSECS) { | |
443 | printk(KERN_DEBUG "applesmc: device has" | |
444 | " already been initialized" | |
445 | " (0x%02x, 0x%02x).\n", | |
446 | buffer[0], buffer[1]); | |
447 | } else { | |
448 | printk(KERN_DEBUG "applesmc: device" | |
449 | " successfully initialized" | |
450 | " (0x%02x, 0x%02x).\n", | |
451 | buffer[0], buffer[1]); | |
452 | } | |
453 | ret = 0; | |
454 | goto out; | |
455 | } | |
456 | buffer[0] = 0xe0; | |
457 | buffer[1] = 0x00; | |
458 | applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2); | |
459 | msleep(INIT_WAIT_MSECS); | |
460 | } | |
461 | ||
462 | printk(KERN_WARNING "applesmc: failed to init the device\n"); | |
463 | ||
464 | out: | |
465 | mutex_unlock(&applesmc_lock); | |
466 | return ret; | |
467 | } | |
468 | ||
469 | /* | |
470 | * applesmc_get_fan_count - get the number of fans. Callers must NOT hold | |
471 | * applesmc_lock. | |
472 | */ | |
473 | static int applesmc_get_fan_count(void) | |
474 | { | |
475 | int ret; | |
476 | u8 buffer[1]; | |
477 | ||
478 | mutex_lock(&applesmc_lock); | |
479 | ||
480 | ret = applesmc_read_key(FANS_COUNT, buffer, 1); | |
481 | ||
482 | mutex_unlock(&applesmc_lock); | |
483 | if (ret) | |
484 | return ret; | |
485 | else | |
486 | return buffer[0]; | |
487 | } | |
488 | ||
489 | /* Device model stuff */ | |
490 | static int applesmc_probe(struct platform_device *dev) | |
491 | { | |
492 | int ret; | |
493 | ||
494 | ret = applesmc_device_init(); | |
495 | if (ret) | |
496 | return ret; | |
497 | ||
498 | printk(KERN_INFO "applesmc: device successfully initialized.\n"); | |
499 | return 0; | |
500 | } | |
501 | ||
a976f150 HR |
502 | /* Synchronize device with memorized backlight state */ |
503 | static int applesmc_pm_resume(struct device *dev) | |
504 | { | |
505 | mutex_lock(&applesmc_lock); | |
506 | if (applesmc_light) | |
507 | applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2); | |
508 | mutex_unlock(&applesmc_lock); | |
509 | return 0; | |
510 | } | |
511 | ||
512 | /* Reinitialize device on resume from hibernation */ | |
513 | static int applesmc_pm_restore(struct device *dev) | |
6f2fad74 | 514 | { |
a976f150 HR |
515 | int ret = applesmc_device_init(); |
516 | if (ret) | |
517 | return ret; | |
518 | return applesmc_pm_resume(dev); | |
6f2fad74 NB |
519 | } |
520 | ||
a976f150 HR |
521 | static struct dev_pm_ops applesmc_pm_ops = { |
522 | .resume = applesmc_pm_resume, | |
523 | .restore = applesmc_pm_restore, | |
524 | }; | |
525 | ||
6f2fad74 NB |
526 | static struct platform_driver applesmc_driver = { |
527 | .probe = applesmc_probe, | |
6f2fad74 NB |
528 | .driver = { |
529 | .name = "applesmc", | |
530 | .owner = THIS_MODULE, | |
a976f150 | 531 | .pm = &applesmc_pm_ops, |
6f2fad74 NB |
532 | }, |
533 | }; | |
534 | ||
535 | /* | |
536 | * applesmc_calibrate - Set our "resting" values. Callers must | |
537 | * hold applesmc_lock. | |
538 | */ | |
539 | static void applesmc_calibrate(void) | |
540 | { | |
541 | applesmc_read_motion_sensor(SENSOR_X, &rest_x); | |
542 | applesmc_read_motion_sensor(SENSOR_Y, &rest_y); | |
543 | rest_x = -rest_x; | |
544 | } | |
545 | ||
d5cf2b99 | 546 | static void applesmc_idev_poll(struct input_polled_dev *dev) |
6f2fad74 | 547 | { |
d5cf2b99 | 548 | struct input_dev *idev = dev->input; |
6f2fad74 NB |
549 | s16 x, y; |
550 | ||
d5cf2b99 | 551 | mutex_lock(&applesmc_lock); |
6f2fad74 NB |
552 | |
553 | if (applesmc_read_motion_sensor(SENSOR_X, &x)) | |
554 | goto out; | |
555 | if (applesmc_read_motion_sensor(SENSOR_Y, &y)) | |
556 | goto out; | |
557 | ||
558 | x = -x; | |
d5cf2b99 DT |
559 | input_report_abs(idev, ABS_X, x - rest_x); |
560 | input_report_abs(idev, ABS_Y, y - rest_y); | |
561 | input_sync(idev); | |
6f2fad74 NB |
562 | |
563 | out: | |
6f2fad74 NB |
564 | mutex_unlock(&applesmc_lock); |
565 | } | |
566 | ||
567 | /* Sysfs Files */ | |
568 | ||
fa74419b NB |
569 | static ssize_t applesmc_name_show(struct device *dev, |
570 | struct device_attribute *attr, char *buf) | |
571 | { | |
572 | return snprintf(buf, PAGE_SIZE, "applesmc\n"); | |
573 | } | |
574 | ||
6f2fad74 NB |
575 | static ssize_t applesmc_position_show(struct device *dev, |
576 | struct device_attribute *attr, char *buf) | |
577 | { | |
578 | int ret; | |
579 | s16 x, y, z; | |
580 | ||
581 | mutex_lock(&applesmc_lock); | |
582 | ||
583 | ret = applesmc_read_motion_sensor(SENSOR_X, &x); | |
584 | if (ret) | |
585 | goto out; | |
586 | ret = applesmc_read_motion_sensor(SENSOR_Y, &y); | |
587 | if (ret) | |
588 | goto out; | |
589 | ret = applesmc_read_motion_sensor(SENSOR_Z, &z); | |
590 | if (ret) | |
591 | goto out; | |
592 | ||
593 | out: | |
594 | mutex_unlock(&applesmc_lock); | |
595 | if (ret) | |
596 | return ret; | |
597 | else | |
598 | return snprintf(buf, PAGE_SIZE, "(%d,%d,%d)\n", x, y, z); | |
599 | } | |
600 | ||
601 | static ssize_t applesmc_light_show(struct device *dev, | |
602 | struct device_attribute *attr, char *sysfsbuf) | |
603 | { | |
8bd1a12a | 604 | static int data_length; |
6f2fad74 NB |
605 | int ret; |
606 | u8 left = 0, right = 0; | |
8bd1a12a | 607 | u8 buffer[10], query[6]; |
6f2fad74 NB |
608 | |
609 | mutex_lock(&applesmc_lock); | |
610 | ||
8bd1a12a HR |
611 | if (!data_length) { |
612 | ret = applesmc_get_key_type(LIGHT_SENSOR_LEFT_KEY, query); | |
613 | if (ret) | |
614 | goto out; | |
615 | data_length = clamp_val(query[0], 0, 10); | |
616 | printk(KERN_INFO "applesmc: light sensor data length set to " | |
617 | "%d\n", data_length); | |
618 | } | |
619 | ||
620 | ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length); | |
c3d6362b AM |
621 | /* newer macbooks report a single 10-bit bigendian value */ |
622 | if (data_length == 10) { | |
623 | left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2; | |
624 | goto out; | |
625 | } | |
6f2fad74 NB |
626 | left = buffer[2]; |
627 | if (ret) | |
628 | goto out; | |
8bd1a12a | 629 | ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); |
6f2fad74 NB |
630 | right = buffer[2]; |
631 | ||
632 | out: | |
633 | mutex_unlock(&applesmc_lock); | |
634 | if (ret) | |
635 | return ret; | |
636 | else | |
637 | return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", left, right); | |
638 | } | |
639 | ||
640 | /* Displays degree Celsius * 1000 */ | |
641 | static ssize_t applesmc_show_temperature(struct device *dev, | |
642 | struct device_attribute *devattr, char *sysfsbuf) | |
643 | { | |
644 | int ret; | |
645 | u8 buffer[2]; | |
646 | unsigned int temp; | |
647 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
648 | const char* key = | |
649 | temperature_sensors_sets[applesmc_temperature_set][attr->index]; | |
650 | ||
651 | mutex_lock(&applesmc_lock); | |
652 | ||
653 | ret = applesmc_read_key(key, buffer, 2); | |
654 | temp = buffer[0]*1000; | |
655 | temp += (buffer[1] >> 6) * 250; | |
656 | ||
657 | mutex_unlock(&applesmc_lock); | |
658 | ||
659 | if (ret) | |
660 | return ret; | |
661 | else | |
662 | return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", temp); | |
663 | } | |
664 | ||
665 | static ssize_t applesmc_show_fan_speed(struct device *dev, | |
666 | struct device_attribute *attr, char *sysfsbuf) | |
667 | { | |
668 | int ret; | |
669 | unsigned int speed = 0; | |
670 | char newkey[5]; | |
671 | u8 buffer[2]; | |
672 | struct sensor_device_attribute_2 *sensor_attr = | |
673 | to_sensor_dev_attr_2(attr); | |
674 | ||
675 | newkey[0] = fan_speed_keys[sensor_attr->nr][0]; | |
676 | newkey[1] = '0' + sensor_attr->index; | |
677 | newkey[2] = fan_speed_keys[sensor_attr->nr][2]; | |
678 | newkey[3] = fan_speed_keys[sensor_attr->nr][3]; | |
679 | newkey[4] = 0; | |
680 | ||
681 | mutex_lock(&applesmc_lock); | |
682 | ||
683 | ret = applesmc_read_key(newkey, buffer, 2); | |
684 | speed = ((buffer[0] << 8 | buffer[1]) >> 2); | |
685 | ||
686 | mutex_unlock(&applesmc_lock); | |
687 | if (ret) | |
688 | return ret; | |
689 | else | |
690 | return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); | |
691 | } | |
692 | ||
693 | static ssize_t applesmc_store_fan_speed(struct device *dev, | |
694 | struct device_attribute *attr, | |
695 | const char *sysfsbuf, size_t count) | |
696 | { | |
697 | int ret; | |
698 | u32 speed; | |
699 | char newkey[5]; | |
700 | u8 buffer[2]; | |
701 | struct sensor_device_attribute_2 *sensor_attr = | |
702 | to_sensor_dev_attr_2(attr); | |
703 | ||
704 | speed = simple_strtoul(sysfsbuf, NULL, 10); | |
705 | ||
706 | if (speed > 0x4000) /* Bigger than a 14-bit value */ | |
707 | return -EINVAL; | |
708 | ||
709 | newkey[0] = fan_speed_keys[sensor_attr->nr][0]; | |
710 | newkey[1] = '0' + sensor_attr->index; | |
711 | newkey[2] = fan_speed_keys[sensor_attr->nr][2]; | |
712 | newkey[3] = fan_speed_keys[sensor_attr->nr][3]; | |
713 | newkey[4] = 0; | |
714 | ||
715 | mutex_lock(&applesmc_lock); | |
716 | ||
717 | buffer[0] = (speed >> 6) & 0xff; | |
718 | buffer[1] = (speed << 2) & 0xff; | |
719 | ret = applesmc_write_key(newkey, buffer, 2); | |
720 | ||
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_manual(struct device *dev, | |
729 | struct device_attribute *devattr, char *sysfsbuf) | |
730 | { | |
731 | int ret; | |
732 | u16 manual = 0; | |
733 | u8 buffer[2]; | |
734 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
735 | ||
736 | mutex_lock(&applesmc_lock); | |
737 | ||
738 | ret = applesmc_read_key(FANS_MANUAL, buffer, 2); | |
739 | manual = ((buffer[0] << 8 | buffer[1]) >> attr->index) & 0x01; | |
740 | ||
741 | mutex_unlock(&applesmc_lock); | |
742 | if (ret) | |
743 | return ret; | |
744 | else | |
745 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); | |
746 | } | |
747 | ||
748 | static ssize_t applesmc_store_fan_manual(struct device *dev, | |
749 | struct device_attribute *devattr, | |
750 | const char *sysfsbuf, size_t count) | |
751 | { | |
752 | int ret; | |
753 | u8 buffer[2]; | |
754 | u32 input; | |
755 | u16 val; | |
756 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
757 | ||
758 | input = simple_strtoul(sysfsbuf, NULL, 10); | |
759 | ||
760 | mutex_lock(&applesmc_lock); | |
761 | ||
762 | ret = applesmc_read_key(FANS_MANUAL, buffer, 2); | |
763 | val = (buffer[0] << 8 | buffer[1]); | |
764 | if (ret) | |
765 | goto out; | |
766 | ||
767 | if (input) | |
768 | val = val | (0x01 << attr->index); | |
769 | else | |
770 | val = val & ~(0x01 << attr->index); | |
771 | ||
772 | buffer[0] = (val >> 8) & 0xFF; | |
773 | buffer[1] = val & 0xFF; | |
774 | ||
775 | ret = applesmc_write_key(FANS_MANUAL, buffer, 2); | |
776 | ||
777 | out: | |
778 | mutex_unlock(&applesmc_lock); | |
779 | if (ret) | |
780 | return ret; | |
781 | else | |
782 | return count; | |
783 | } | |
784 | ||
785 | static ssize_t applesmc_show_fan_position(struct device *dev, | |
786 | struct device_attribute *attr, char *sysfsbuf) | |
787 | { | |
788 | int ret; | |
789 | char newkey[5]; | |
790 | u8 buffer[17]; | |
791 | struct sensor_device_attribute_2 *sensor_attr = | |
792 | to_sensor_dev_attr_2(attr); | |
793 | ||
794 | newkey[0] = FAN_POSITION[0]; | |
795 | newkey[1] = '0' + sensor_attr->index; | |
796 | newkey[2] = FAN_POSITION[2]; | |
797 | newkey[3] = FAN_POSITION[3]; | |
798 | newkey[4] = 0; | |
799 | ||
800 | mutex_lock(&applesmc_lock); | |
801 | ||
802 | ret = applesmc_read_key(newkey, buffer, 16); | |
803 | buffer[16] = 0; | |
804 | ||
805 | mutex_unlock(&applesmc_lock); | |
806 | if (ret) | |
807 | return ret; | |
808 | else | |
809 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", buffer+4); | |
810 | } | |
811 | ||
812 | static ssize_t applesmc_calibrate_show(struct device *dev, | |
813 | struct device_attribute *attr, char *sysfsbuf) | |
814 | { | |
815 | return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", rest_x, rest_y); | |
816 | } | |
817 | ||
818 | static ssize_t applesmc_calibrate_store(struct device *dev, | |
819 | struct device_attribute *attr, const char *sysfsbuf, size_t count) | |
820 | { | |
821 | mutex_lock(&applesmc_lock); | |
822 | applesmc_calibrate(); | |
823 | mutex_unlock(&applesmc_lock); | |
824 | ||
825 | return count; | |
826 | } | |
827 | ||
6f2fad74 NB |
828 | static void applesmc_backlight_set(struct work_struct *work) |
829 | { | |
6f2fad74 | 830 | mutex_lock(&applesmc_lock); |
a976f150 | 831 | applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2); |
6f2fad74 NB |
832 | mutex_unlock(&applesmc_lock); |
833 | } | |
834 | static DECLARE_WORK(backlight_work, &applesmc_backlight_set); | |
835 | ||
836 | static void applesmc_brightness_set(struct led_classdev *led_cdev, | |
837 | enum led_brightness value) | |
838 | { | |
839 | int ret; | |
840 | ||
a976f150 | 841 | backlight_state[0] = value; |
6f2fad74 NB |
842 | ret = queue_work(applesmc_led_wq, &backlight_work); |
843 | ||
844 | if (debug && (!ret)) | |
845 | printk(KERN_DEBUG "applesmc: work was already on the queue.\n"); | |
846 | } | |
847 | ||
848 | static ssize_t applesmc_key_count_show(struct device *dev, | |
849 | struct device_attribute *attr, char *sysfsbuf) | |
850 | { | |
851 | int ret; | |
852 | u8 buffer[4]; | |
853 | u32 count; | |
854 | ||
855 | mutex_lock(&applesmc_lock); | |
856 | ||
857 | ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); | |
858 | count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + | |
859 | ((u32)buffer[2]<<8) + buffer[3]; | |
860 | ||
861 | mutex_unlock(&applesmc_lock); | |
862 | if (ret) | |
863 | return ret; | |
864 | else | |
865 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); | |
866 | } | |
867 | ||
868 | static ssize_t applesmc_key_at_index_read_show(struct device *dev, | |
869 | struct device_attribute *attr, char *sysfsbuf) | |
870 | { | |
871 | char key[5]; | |
872 | char info[6]; | |
873 | int ret; | |
874 | ||
875 | mutex_lock(&applesmc_lock); | |
876 | ||
877 | ret = applesmc_get_key_at_index(key_at_index, key); | |
878 | ||
879 | if (ret || !key[0]) { | |
880 | mutex_unlock(&applesmc_lock); | |
881 | ||
882 | return -EINVAL; | |
883 | } | |
884 | ||
885 | ret = applesmc_get_key_type(key, info); | |
886 | ||
887 | if (ret) { | |
888 | mutex_unlock(&applesmc_lock); | |
889 | ||
890 | return ret; | |
891 | } | |
892 | ||
893 | /* | |
894 | * info[0] maximum value (APPLESMC_MAX_DATA_LENGTH) is much lower than | |
895 | * PAGE_SIZE, so we don't need any checks before writing to sysfsbuf. | |
896 | */ | |
897 | ret = applesmc_read_key(key, sysfsbuf, info[0]); | |
898 | ||
899 | mutex_unlock(&applesmc_lock); | |
900 | ||
901 | if (!ret) { | |
902 | return info[0]; | |
d5cf2b99 | 903 | } else { |
6f2fad74 NB |
904 | return ret; |
905 | } | |
906 | } | |
907 | ||
908 | static ssize_t applesmc_key_at_index_data_length_show(struct device *dev, | |
909 | struct device_attribute *attr, char *sysfsbuf) | |
910 | { | |
911 | char key[5]; | |
912 | char info[6]; | |
913 | int ret; | |
914 | ||
915 | mutex_lock(&applesmc_lock); | |
916 | ||
917 | ret = applesmc_get_key_at_index(key_at_index, key); | |
918 | ||
919 | if (ret || !key[0]) { | |
920 | mutex_unlock(&applesmc_lock); | |
921 | ||
922 | return -EINVAL; | |
923 | } | |
924 | ||
925 | ret = applesmc_get_key_type(key, info); | |
926 | ||
927 | mutex_unlock(&applesmc_lock); | |
928 | ||
929 | if (!ret) | |
930 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", info[0]); | |
931 | else | |
932 | return ret; | |
933 | } | |
934 | ||
935 | static ssize_t applesmc_key_at_index_type_show(struct device *dev, | |
936 | struct device_attribute *attr, char *sysfsbuf) | |
937 | { | |
938 | char key[5]; | |
939 | char info[6]; | |
940 | int ret; | |
941 | ||
942 | mutex_lock(&applesmc_lock); | |
943 | ||
944 | ret = applesmc_get_key_at_index(key_at_index, key); | |
945 | ||
946 | if (ret || !key[0]) { | |
947 | mutex_unlock(&applesmc_lock); | |
948 | ||
949 | return -EINVAL; | |
950 | } | |
951 | ||
952 | ret = applesmc_get_key_type(key, info); | |
953 | ||
954 | mutex_unlock(&applesmc_lock); | |
955 | ||
956 | if (!ret) | |
957 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", info+1); | |
958 | else | |
959 | return ret; | |
960 | } | |
961 | ||
962 | static ssize_t applesmc_key_at_index_name_show(struct device *dev, | |
963 | struct device_attribute *attr, char *sysfsbuf) | |
964 | { | |
965 | char key[5]; | |
966 | int ret; | |
967 | ||
968 | mutex_lock(&applesmc_lock); | |
969 | ||
970 | ret = applesmc_get_key_at_index(key_at_index, key); | |
971 | ||
972 | mutex_unlock(&applesmc_lock); | |
973 | ||
974 | if (!ret && key[0]) | |
975 | return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", key); | |
976 | else | |
977 | return -EINVAL; | |
978 | } | |
979 | ||
980 | static ssize_t applesmc_key_at_index_show(struct device *dev, | |
981 | struct device_attribute *attr, char *sysfsbuf) | |
982 | { | |
983 | return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", key_at_index); | |
984 | } | |
985 | ||
986 | static ssize_t applesmc_key_at_index_store(struct device *dev, | |
987 | struct device_attribute *attr, const char *sysfsbuf, size_t count) | |
988 | { | |
989 | mutex_lock(&applesmc_lock); | |
990 | ||
991 | key_at_index = simple_strtoul(sysfsbuf, NULL, 10); | |
992 | ||
993 | mutex_unlock(&applesmc_lock); | |
994 | ||
995 | return count; | |
996 | } | |
997 | ||
998 | static struct led_classdev applesmc_backlight = { | |
6c152bee | 999 | .name = "smc::kbd_backlight", |
6f2fad74 NB |
1000 | .default_trigger = "nand-disk", |
1001 | .brightness_set = applesmc_brightness_set, | |
1002 | }; | |
1003 | ||
fa74419b NB |
1004 | static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL); |
1005 | ||
6f2fad74 NB |
1006 | static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL); |
1007 | static DEVICE_ATTR(calibrate, 0644, | |
1008 | applesmc_calibrate_show, applesmc_calibrate_store); | |
1009 | ||
1010 | static struct attribute *accelerometer_attributes[] = { | |
1011 | &dev_attr_position.attr, | |
1012 | &dev_attr_calibrate.attr, | |
1013 | NULL | |
1014 | }; | |
1015 | ||
1016 | static const struct attribute_group accelerometer_attributes_group = | |
1017 | { .attrs = accelerometer_attributes }; | |
1018 | ||
1019 | static DEVICE_ATTR(light, 0444, applesmc_light_show, NULL); | |
1020 | ||
1021 | static DEVICE_ATTR(key_count, 0444, applesmc_key_count_show, NULL); | |
1022 | static DEVICE_ATTR(key_at_index, 0644, | |
1023 | applesmc_key_at_index_show, applesmc_key_at_index_store); | |
1024 | static DEVICE_ATTR(key_at_index_name, 0444, | |
1025 | applesmc_key_at_index_name_show, NULL); | |
1026 | static DEVICE_ATTR(key_at_index_type, 0444, | |
1027 | applesmc_key_at_index_type_show, NULL); | |
1028 | static DEVICE_ATTR(key_at_index_data_length, 0444, | |
1029 | applesmc_key_at_index_data_length_show, NULL); | |
1030 | static DEVICE_ATTR(key_at_index_data, 0444, | |
1031 | applesmc_key_at_index_read_show, NULL); | |
1032 | ||
1033 | static struct attribute *key_enumeration_attributes[] = { | |
1034 | &dev_attr_key_count.attr, | |
1035 | &dev_attr_key_at_index.attr, | |
1036 | &dev_attr_key_at_index_name.attr, | |
1037 | &dev_attr_key_at_index_type.attr, | |
1038 | &dev_attr_key_at_index_data_length.attr, | |
1039 | &dev_attr_key_at_index_data.attr, | |
1040 | NULL | |
1041 | }; | |
1042 | ||
1043 | static const struct attribute_group key_enumeration_group = | |
1044 | { .attrs = key_enumeration_attributes }; | |
1045 | ||
1046 | /* | |
1047 | * Macro defining SENSOR_DEVICE_ATTR for a fan sysfs entries. | |
1048 | * - show actual speed | |
1049 | * - show/store minimum speed | |
1050 | * - show maximum speed | |
1051 | * - show safe speed | |
1052 | * - show/store target speed | |
1053 | * - show/store manual mode | |
1054 | */ | |
1055 | #define sysfs_fan_speeds_offset(offset) \ | |
1056 | static SENSOR_DEVICE_ATTR_2(fan##offset##_input, S_IRUGO, \ | |
1057 | applesmc_show_fan_speed, NULL, 0, offset-1); \ | |
1058 | \ | |
1059 | static SENSOR_DEVICE_ATTR_2(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
1060 | applesmc_show_fan_speed, applesmc_store_fan_speed, 1, offset-1); \ | |
1061 | \ | |
1062 | static SENSOR_DEVICE_ATTR_2(fan##offset##_max, S_IRUGO, \ | |
1063 | applesmc_show_fan_speed, NULL, 2, offset-1); \ | |
1064 | \ | |
1065 | static SENSOR_DEVICE_ATTR_2(fan##offset##_safe, S_IRUGO, \ | |
1066 | applesmc_show_fan_speed, NULL, 3, offset-1); \ | |
1067 | \ | |
1068 | static SENSOR_DEVICE_ATTR_2(fan##offset##_output, S_IRUGO | S_IWUSR, \ | |
1069 | applesmc_show_fan_speed, applesmc_store_fan_speed, 4, offset-1); \ | |
1070 | \ | |
1071 | static SENSOR_DEVICE_ATTR(fan##offset##_manual, S_IRUGO | S_IWUSR, \ | |
1072 | applesmc_show_fan_manual, applesmc_store_fan_manual, offset-1); \ | |
1073 | \ | |
da4e8ca3 | 1074 | static SENSOR_DEVICE_ATTR(fan##offset##_label, S_IRUGO, \ |
6f2fad74 NB |
1075 | applesmc_show_fan_position, NULL, offset-1); \ |
1076 | \ | |
1077 | static struct attribute *fan##offset##_attributes[] = { \ | |
1078 | &sensor_dev_attr_fan##offset##_input.dev_attr.attr, \ | |
1079 | &sensor_dev_attr_fan##offset##_min.dev_attr.attr, \ | |
1080 | &sensor_dev_attr_fan##offset##_max.dev_attr.attr, \ | |
1081 | &sensor_dev_attr_fan##offset##_safe.dev_attr.attr, \ | |
1082 | &sensor_dev_attr_fan##offset##_output.dev_attr.attr, \ | |
1083 | &sensor_dev_attr_fan##offset##_manual.dev_attr.attr, \ | |
da4e8ca3 | 1084 | &sensor_dev_attr_fan##offset##_label.dev_attr.attr, \ |
6f2fad74 NB |
1085 | NULL \ |
1086 | }; | |
1087 | ||
1088 | /* | |
1089 | * Create the needed functions for each fan using the macro defined above | |
8de57709 | 1090 | * (4 fans are supported) |
6f2fad74 NB |
1091 | */ |
1092 | sysfs_fan_speeds_offset(1); | |
1093 | sysfs_fan_speeds_offset(2); | |
8de57709 RR |
1094 | sysfs_fan_speeds_offset(3); |
1095 | sysfs_fan_speeds_offset(4); | |
6f2fad74 NB |
1096 | |
1097 | static const struct attribute_group fan_attribute_groups[] = { | |
1098 | { .attrs = fan1_attributes }, | |
8de57709 RR |
1099 | { .attrs = fan2_attributes }, |
1100 | { .attrs = fan3_attributes }, | |
1101 | { .attrs = fan4_attributes }, | |
6f2fad74 NB |
1102 | }; |
1103 | ||
1104 | /* | |
1105 | * Temperature sensors sysfs entries. | |
1106 | */ | |
1107 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, | |
1108 | applesmc_show_temperature, NULL, 0); | |
1109 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, | |
1110 | applesmc_show_temperature, NULL, 1); | |
1111 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, | |
1112 | applesmc_show_temperature, NULL, 2); | |
1113 | static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, | |
1114 | applesmc_show_temperature, NULL, 3); | |
1115 | static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, | |
1116 | applesmc_show_temperature, NULL, 4); | |
1117 | static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, | |
1118 | applesmc_show_temperature, NULL, 5); | |
1119 | static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, | |
1120 | applesmc_show_temperature, NULL, 6); | |
1121 | static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, | |
1122 | applesmc_show_temperature, NULL, 7); | |
1123 | static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, | |
1124 | applesmc_show_temperature, NULL, 8); | |
1125 | static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, | |
1126 | applesmc_show_temperature, NULL, 9); | |
1127 | static SENSOR_DEVICE_ATTR(temp11_input, S_IRUGO, | |
1128 | applesmc_show_temperature, NULL, 10); | |
1129 | static SENSOR_DEVICE_ATTR(temp12_input, S_IRUGO, | |
1130 | applesmc_show_temperature, NULL, 11); | |
8de57709 RR |
1131 | static SENSOR_DEVICE_ATTR(temp13_input, S_IRUGO, |
1132 | applesmc_show_temperature, NULL, 12); | |
1133 | static SENSOR_DEVICE_ATTR(temp14_input, S_IRUGO, | |
1134 | applesmc_show_temperature, NULL, 13); | |
1135 | static SENSOR_DEVICE_ATTR(temp15_input, S_IRUGO, | |
1136 | applesmc_show_temperature, NULL, 14); | |
1137 | static SENSOR_DEVICE_ATTR(temp16_input, S_IRUGO, | |
1138 | applesmc_show_temperature, NULL, 15); | |
1139 | static SENSOR_DEVICE_ATTR(temp17_input, S_IRUGO, | |
1140 | applesmc_show_temperature, NULL, 16); | |
1141 | static SENSOR_DEVICE_ATTR(temp18_input, S_IRUGO, | |
1142 | applesmc_show_temperature, NULL, 17); | |
1143 | static SENSOR_DEVICE_ATTR(temp19_input, S_IRUGO, | |
1144 | applesmc_show_temperature, NULL, 18); | |
1145 | static SENSOR_DEVICE_ATTR(temp20_input, S_IRUGO, | |
1146 | applesmc_show_temperature, NULL, 19); | |
1147 | static SENSOR_DEVICE_ATTR(temp21_input, S_IRUGO, | |
1148 | applesmc_show_temperature, NULL, 20); | |
1149 | static SENSOR_DEVICE_ATTR(temp22_input, S_IRUGO, | |
1150 | applesmc_show_temperature, NULL, 21); | |
1151 | static SENSOR_DEVICE_ATTR(temp23_input, S_IRUGO, | |
1152 | applesmc_show_temperature, NULL, 22); | |
1153 | static SENSOR_DEVICE_ATTR(temp24_input, S_IRUGO, | |
1154 | applesmc_show_temperature, NULL, 23); | |
1155 | static SENSOR_DEVICE_ATTR(temp25_input, S_IRUGO, | |
1156 | applesmc_show_temperature, NULL, 24); | |
1157 | static SENSOR_DEVICE_ATTR(temp26_input, S_IRUGO, | |
1158 | applesmc_show_temperature, NULL, 25); | |
1159 | static SENSOR_DEVICE_ATTR(temp27_input, S_IRUGO, | |
1160 | applesmc_show_temperature, NULL, 26); | |
1161 | static SENSOR_DEVICE_ATTR(temp28_input, S_IRUGO, | |
1162 | applesmc_show_temperature, NULL, 27); | |
1163 | static SENSOR_DEVICE_ATTR(temp29_input, S_IRUGO, | |
1164 | applesmc_show_temperature, NULL, 28); | |
1165 | static SENSOR_DEVICE_ATTR(temp30_input, S_IRUGO, | |
1166 | applesmc_show_temperature, NULL, 29); | |
1167 | static SENSOR_DEVICE_ATTR(temp31_input, S_IRUGO, | |
1168 | applesmc_show_temperature, NULL, 30); | |
1169 | static SENSOR_DEVICE_ATTR(temp32_input, S_IRUGO, | |
1170 | applesmc_show_temperature, NULL, 31); | |
1171 | static SENSOR_DEVICE_ATTR(temp33_input, S_IRUGO, | |
1172 | applesmc_show_temperature, NULL, 32); | |
1173 | static SENSOR_DEVICE_ATTR(temp34_input, S_IRUGO, | |
1174 | applesmc_show_temperature, NULL, 33); | |
1175 | static SENSOR_DEVICE_ATTR(temp35_input, S_IRUGO, | |
1176 | applesmc_show_temperature, NULL, 34); | |
fb9f88e1 BR |
1177 | static SENSOR_DEVICE_ATTR(temp36_input, S_IRUGO, |
1178 | applesmc_show_temperature, NULL, 35); | |
1179 | static SENSOR_DEVICE_ATTR(temp37_input, S_IRUGO, | |
1180 | applesmc_show_temperature, NULL, 36); | |
1181 | static SENSOR_DEVICE_ATTR(temp38_input, S_IRUGO, | |
1182 | applesmc_show_temperature, NULL, 37); | |
1183 | static SENSOR_DEVICE_ATTR(temp39_input, S_IRUGO, | |
1184 | applesmc_show_temperature, NULL, 38); | |
1185 | static SENSOR_DEVICE_ATTR(temp40_input, S_IRUGO, | |
1186 | applesmc_show_temperature, NULL, 39); | |
6f2fad74 NB |
1187 | |
1188 | static struct attribute *temperature_attributes[] = { | |
1189 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1190 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1191 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1192 | &sensor_dev_attr_temp4_input.dev_attr.attr, | |
1193 | &sensor_dev_attr_temp5_input.dev_attr.attr, | |
1194 | &sensor_dev_attr_temp6_input.dev_attr.attr, | |
1195 | &sensor_dev_attr_temp7_input.dev_attr.attr, | |
1196 | &sensor_dev_attr_temp8_input.dev_attr.attr, | |
1197 | &sensor_dev_attr_temp9_input.dev_attr.attr, | |
1198 | &sensor_dev_attr_temp10_input.dev_attr.attr, | |
1199 | &sensor_dev_attr_temp11_input.dev_attr.attr, | |
1200 | &sensor_dev_attr_temp12_input.dev_attr.attr, | |
8de57709 RR |
1201 | &sensor_dev_attr_temp13_input.dev_attr.attr, |
1202 | &sensor_dev_attr_temp14_input.dev_attr.attr, | |
1203 | &sensor_dev_attr_temp15_input.dev_attr.attr, | |
1204 | &sensor_dev_attr_temp16_input.dev_attr.attr, | |
1205 | &sensor_dev_attr_temp17_input.dev_attr.attr, | |
1206 | &sensor_dev_attr_temp18_input.dev_attr.attr, | |
1207 | &sensor_dev_attr_temp19_input.dev_attr.attr, | |
1208 | &sensor_dev_attr_temp20_input.dev_attr.attr, | |
1209 | &sensor_dev_attr_temp21_input.dev_attr.attr, | |
1210 | &sensor_dev_attr_temp22_input.dev_attr.attr, | |
1211 | &sensor_dev_attr_temp23_input.dev_attr.attr, | |
1212 | &sensor_dev_attr_temp24_input.dev_attr.attr, | |
1213 | &sensor_dev_attr_temp25_input.dev_attr.attr, | |
1214 | &sensor_dev_attr_temp26_input.dev_attr.attr, | |
1215 | &sensor_dev_attr_temp27_input.dev_attr.attr, | |
1216 | &sensor_dev_attr_temp28_input.dev_attr.attr, | |
1217 | &sensor_dev_attr_temp29_input.dev_attr.attr, | |
1218 | &sensor_dev_attr_temp30_input.dev_attr.attr, | |
1219 | &sensor_dev_attr_temp31_input.dev_attr.attr, | |
1220 | &sensor_dev_attr_temp32_input.dev_attr.attr, | |
1221 | &sensor_dev_attr_temp33_input.dev_attr.attr, | |
1222 | &sensor_dev_attr_temp34_input.dev_attr.attr, | |
1223 | &sensor_dev_attr_temp35_input.dev_attr.attr, | |
fb9f88e1 BR |
1224 | &sensor_dev_attr_temp36_input.dev_attr.attr, |
1225 | &sensor_dev_attr_temp37_input.dev_attr.attr, | |
1226 | &sensor_dev_attr_temp38_input.dev_attr.attr, | |
1227 | &sensor_dev_attr_temp39_input.dev_attr.attr, | |
1228 | &sensor_dev_attr_temp40_input.dev_attr.attr, | |
6f2fad74 NB |
1229 | NULL |
1230 | }; | |
1231 | ||
1232 | static const struct attribute_group temperature_attributes_group = | |
1233 | { .attrs = temperature_attributes }; | |
1234 | ||
1235 | /* Module stuff */ | |
1236 | ||
1237 | /* | |
1238 | * applesmc_dmi_match - found a match. return one, short-circuiting the hunt. | |
1239 | */ | |
1855256c | 1240 | static int applesmc_dmi_match(const struct dmi_system_id *id) |
6f2fad74 NB |
1241 | { |
1242 | int i = 0; | |
1243 | struct dmi_match_data* dmi_data = id->driver_data; | |
1244 | printk(KERN_INFO "applesmc: %s detected:\n", id->ident); | |
1245 | applesmc_accelerometer = dmi_data->accelerometer; | |
1246 | printk(KERN_INFO "applesmc: - Model %s accelerometer\n", | |
1247 | applesmc_accelerometer ? "with" : "without"); | |
1248 | applesmc_light = dmi_data->light; | |
1249 | printk(KERN_INFO "applesmc: - Model %s light sensors and backlight\n", | |
1250 | applesmc_light ? "with" : "without"); | |
1251 | ||
1252 | applesmc_temperature_set = dmi_data->temperature_set; | |
1253 | while (temperature_sensors_sets[applesmc_temperature_set][i] != NULL) | |
1254 | i++; | |
1255 | printk(KERN_INFO "applesmc: - Model with %d temperature sensors\n", i); | |
1256 | return 1; | |
1257 | } | |
1258 | ||
1259 | /* Create accelerometer ressources */ | |
1260 | static int applesmc_create_accelerometer(void) | |
1261 | { | |
d5cf2b99 | 1262 | struct input_dev *idev; |
6f2fad74 NB |
1263 | int ret; |
1264 | ||
1265 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1266 | &accelerometer_attributes_group); | |
1267 | if (ret) | |
1268 | goto out; | |
1269 | ||
d5cf2b99 | 1270 | applesmc_idev = input_allocate_polled_device(); |
6f2fad74 NB |
1271 | if (!applesmc_idev) { |
1272 | ret = -ENOMEM; | |
1273 | goto out_sysfs; | |
1274 | } | |
1275 | ||
d5cf2b99 DT |
1276 | applesmc_idev->poll = applesmc_idev_poll; |
1277 | applesmc_idev->poll_interval = APPLESMC_POLL_INTERVAL; | |
1278 | ||
6f2fad74 NB |
1279 | /* initial calibrate for the input device */ |
1280 | applesmc_calibrate(); | |
1281 | ||
d5cf2b99 DT |
1282 | /* initialize the input device */ |
1283 | idev = applesmc_idev->input; | |
1284 | idev->name = "applesmc"; | |
1285 | idev->id.bustype = BUS_HOST; | |
1286 | idev->dev.parent = &pdev->dev; | |
7b19ada2 | 1287 | idev->evbit[0] = BIT_MASK(EV_ABS); |
d5cf2b99 | 1288 | input_set_abs_params(idev, ABS_X, |
6f2fad74 | 1289 | -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); |
d5cf2b99 | 1290 | input_set_abs_params(idev, ABS_Y, |
6f2fad74 NB |
1291 | -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); |
1292 | ||
d5cf2b99 | 1293 | ret = input_register_polled_device(applesmc_idev); |
6f2fad74 NB |
1294 | if (ret) |
1295 | goto out_idev; | |
1296 | ||
6f2fad74 NB |
1297 | return 0; |
1298 | ||
1299 | out_idev: | |
d5cf2b99 | 1300 | input_free_polled_device(applesmc_idev); |
6f2fad74 NB |
1301 | |
1302 | out_sysfs: | |
1303 | sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); | |
1304 | ||
1305 | out: | |
1306 | printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); | |
1307 | return ret; | |
1308 | } | |
1309 | ||
1310 | /* Release all ressources used by the accelerometer */ | |
1311 | static void applesmc_release_accelerometer(void) | |
1312 | { | |
d5cf2b99 DT |
1313 | input_unregister_polled_device(applesmc_idev); |
1314 | input_free_polled_device(applesmc_idev); | |
6f2fad74 NB |
1315 | sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); |
1316 | } | |
1317 | ||
1318 | static __initdata struct dmi_match_data applesmc_dmi_data[] = { | |
1319 | /* MacBook Pro: accelerometer, backlight and temperature set 0 */ | |
1320 | { .accelerometer = 1, .light = 1, .temperature_set = 0 }, | |
cd19ba13 | 1321 | /* MacBook2: accelerometer and temperature set 1 */ |
1bed24b9 | 1322 | { .accelerometer = 1, .light = 0, .temperature_set = 1 }, |
cd19ba13 RO |
1323 | /* MacBook: accelerometer and temperature set 2 */ |
1324 | { .accelerometer = 1, .light = 0, .temperature_set = 2 }, | |
1325 | /* MacMini: temperature set 3 */ | |
8de57709 | 1326 | { .accelerometer = 0, .light = 0, .temperature_set = 3 }, |
cd19ba13 RO |
1327 | /* MacPro: temperature set 4 */ |
1328 | { .accelerometer = 0, .light = 0, .temperature_set = 4 }, | |
9f86f28d RDI |
1329 | /* iMac: temperature set 5 */ |
1330 | { .accelerometer = 0, .light = 0, .temperature_set = 5 }, | |
468cc032 | 1331 | /* MacBook3, MacBook4: accelerometer and temperature set 6 */ |
f91a79fe | 1332 | { .accelerometer = 1, .light = 0, .temperature_set = 6 }, |
f5274c97 HR |
1333 | /* MacBook Air: accelerometer, backlight and temperature set 7 */ |
1334 | { .accelerometer = 1, .light = 1, .temperature_set = 7 }, | |
d7549905 HR |
1335 | /* MacBook Pro 4: accelerometer, backlight and temperature set 8 */ |
1336 | { .accelerometer = 1, .light = 1, .temperature_set = 8 }, | |
07e8dbd3 HR |
1337 | /* MacBook Pro 3: accelerometer, backlight and temperature set 9 */ |
1338 | { .accelerometer = 1, .light = 1, .temperature_set = 9 }, | |
6e3530fa HR |
1339 | /* iMac 5: light sensor only, temperature set 10 */ |
1340 | { .accelerometer = 0, .light = 0, .temperature_set = 10 }, | |
181209a1 HR |
1341 | /* MacBook 5: accelerometer, backlight and temperature set 11 */ |
1342 | { .accelerometer = 1, .light = 1, .temperature_set = 11 }, | |
a6660325 HR |
1343 | /* MacBook Pro 5: accelerometer, backlight and temperature set 12 */ |
1344 | { .accelerometer = 1, .light = 1, .temperature_set = 12 }, | |
eefc488f HR |
1345 | /* iMac 8: light sensor only, temperature set 13 */ |
1346 | { .accelerometer = 0, .light = 0, .temperature_set = 13 }, | |
9ca791bb HR |
1347 | /* iMac 6: light sensor only, temperature set 14 */ |
1348 | { .accelerometer = 0, .light = 0, .temperature_set = 14 }, | |
85e0e5ad HR |
1349 | /* MacBook Air 2,1: accelerometer, backlight and temperature set 15 */ |
1350 | { .accelerometer = 1, .light = 1, .temperature_set = 15 }, | |
fb9f88e1 BR |
1351 | /* MacPro3,1: temperature set 16 */ |
1352 | { .accelerometer = 0, .light = 0, .temperature_set = 16 }, | |
6f2fad74 NB |
1353 | }; |
1354 | ||
1355 | /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". | |
1356 | * So we need to put "Apple MacBook Pro" before "Apple MacBook". */ | |
1357 | static __initdata struct dmi_system_id applesmc_whitelist[] = { | |
85e0e5ad HR |
1358 | { applesmc_dmi_match, "Apple MacBook Air 2", { |
1359 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1360 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir2") }, | |
1361 | &applesmc_dmi_data[15]}, | |
f5274c97 HR |
1362 | { applesmc_dmi_match, "Apple MacBook Air", { |
1363 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1364 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, | |
7b5e3cb2 | 1365 | &applesmc_dmi_data[7]}, |
a6660325 HR |
1366 | { applesmc_dmi_match, "Apple MacBook Pro 5", { |
1367 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1368 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5") }, | |
1369 | &applesmc_dmi_data[12]}, | |
d7549905 HR |
1370 | { applesmc_dmi_match, "Apple MacBook Pro 4", { |
1371 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1372 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") }, | |
1373 | &applesmc_dmi_data[8]}, | |
07e8dbd3 HR |
1374 | { applesmc_dmi_match, "Apple MacBook Pro 3", { |
1375 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1376 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3") }, | |
1377 | &applesmc_dmi_data[9]}, | |
6f2fad74 NB |
1378 | { applesmc_dmi_match, "Apple MacBook Pro", { |
1379 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1380 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") }, | |
7b5e3cb2 | 1381 | &applesmc_dmi_data[0]}, |
f91a79fe | 1382 | { applesmc_dmi_match, "Apple MacBook (v2)", { |
6f2fad74 | 1383 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), |
cd19ba13 | 1384 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") }, |
7b5e3cb2 | 1385 | &applesmc_dmi_data[1]}, |
f91a79fe GS |
1386 | { applesmc_dmi_match, "Apple MacBook (v3)", { |
1387 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1388 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") }, | |
7b5e3cb2 | 1389 | &applesmc_dmi_data[6]}, |
468cc032 HR |
1390 | { applesmc_dmi_match, "Apple MacBook 4", { |
1391 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1392 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4") }, | |
1393 | &applesmc_dmi_data[6]}, | |
181209a1 HR |
1394 | { applesmc_dmi_match, "Apple MacBook 5", { |
1395 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1396 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5") }, | |
1397 | &applesmc_dmi_data[11]}, | |
cd19ba13 RO |
1398 | { applesmc_dmi_match, "Apple MacBook", { |
1399 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1400 | DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, | |
7b5e3cb2 | 1401 | &applesmc_dmi_data[2]}, |
6f2fad74 NB |
1402 | { applesmc_dmi_match, "Apple Macmini", { |
1403 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1404 | DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") }, | |
7b5e3cb2 | 1405 | &applesmc_dmi_data[3]}, |
8de57709 RR |
1406 | { applesmc_dmi_match, "Apple MacPro2", { |
1407 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1408 | DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, | |
7b5e3cb2 | 1409 | &applesmc_dmi_data[4]}, |
fb9f88e1 BR |
1410 | { applesmc_dmi_match, "Apple MacPro3", { |
1411 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1412 | DMI_MATCH(DMI_PRODUCT_NAME, "MacPro3") }, | |
1413 | &applesmc_dmi_data[16]}, | |
45a3a36b HR |
1414 | { applesmc_dmi_match, "Apple MacPro", { |
1415 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1416 | DMI_MATCH(DMI_PRODUCT_NAME, "MacPro") }, | |
1417 | &applesmc_dmi_data[4]}, | |
eefc488f HR |
1418 | { applesmc_dmi_match, "Apple iMac 8", { |
1419 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1420 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac8") }, | |
1421 | &applesmc_dmi_data[13]}, | |
9ca791bb HR |
1422 | { applesmc_dmi_match, "Apple iMac 6", { |
1423 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1424 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac6") }, | |
1425 | &applesmc_dmi_data[14]}, | |
6e3530fa HR |
1426 | { applesmc_dmi_match, "Apple iMac 5", { |
1427 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), | |
1428 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac5") }, | |
1429 | &applesmc_dmi_data[10]}, | |
9f86f28d RDI |
1430 | { applesmc_dmi_match, "Apple iMac", { |
1431 | DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), | |
1432 | DMI_MATCH(DMI_PRODUCT_NAME,"iMac") }, | |
7b5e3cb2 | 1433 | &applesmc_dmi_data[5]}, |
6f2fad74 NB |
1434 | { .ident = NULL } |
1435 | }; | |
1436 | ||
1437 | static int __init applesmc_init(void) | |
1438 | { | |
1439 | int ret; | |
1440 | int count; | |
1441 | int i; | |
1442 | ||
6f2fad74 NB |
1443 | if (!dmi_check_system(applesmc_whitelist)) { |
1444 | printk(KERN_WARNING "applesmc: supported laptop not found!\n"); | |
1445 | ret = -ENODEV; | |
1446 | goto out; | |
1447 | } | |
1448 | ||
1449 | if (!request_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS, | |
1450 | "applesmc")) { | |
1451 | ret = -ENXIO; | |
1452 | goto out; | |
1453 | } | |
1454 | ||
1455 | ret = platform_driver_register(&applesmc_driver); | |
1456 | if (ret) | |
1457 | goto out_region; | |
1458 | ||
ddfbf2af JD |
1459 | pdev = platform_device_register_simple("applesmc", APPLESMC_DATA_PORT, |
1460 | NULL, 0); | |
6f2fad74 NB |
1461 | if (IS_ERR(pdev)) { |
1462 | ret = PTR_ERR(pdev); | |
1463 | goto out_driver; | |
1464 | } | |
1465 | ||
fa74419b | 1466 | ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_name.attr); |
6996abf0 NB |
1467 | if (ret) |
1468 | goto out_device; | |
fa74419b | 1469 | |
6f2fad74 NB |
1470 | /* Create key enumeration sysfs files */ |
1471 | ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group); | |
1472 | if (ret) | |
6996abf0 | 1473 | goto out_name; |
6f2fad74 NB |
1474 | |
1475 | /* create fan files */ | |
1476 | count = applesmc_get_fan_count(); | |
1477 | if (count < 0) { | |
1478 | printk(KERN_ERR "applesmc: Cannot get the number of fans.\n"); | |
1479 | } else { | |
1480 | printk(KERN_INFO "applesmc: %d fans found.\n", count); | |
1481 | ||
1482 | switch (count) { | |
1483 | default: | |
8de57709 RR |
1484 | printk(KERN_WARNING "applesmc: More than 4 fans found," |
1485 | " but at most 4 fans are supported" | |
6f2fad74 | 1486 | " by the driver.\n"); |
8de57709 RR |
1487 | case 4: |
1488 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1489 | &fan_attribute_groups[3]); | |
1490 | if (ret) | |
1491 | goto out_key_enumeration; | |
1492 | case 3: | |
1493 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1494 | &fan_attribute_groups[2]); | |
1495 | if (ret) | |
1496 | goto out_key_enumeration; | |
6f2fad74 NB |
1497 | case 2: |
1498 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1499 | &fan_attribute_groups[1]); | |
1500 | if (ret) | |
1501 | goto out_key_enumeration; | |
1502 | case 1: | |
1503 | ret = sysfs_create_group(&pdev->dev.kobj, | |
1504 | &fan_attribute_groups[0]); | |
1505 | if (ret) | |
1506 | goto out_fan_1; | |
1507 | case 0: | |
1508 | ; | |
1509 | } | |
1510 | } | |
1511 | ||
1512 | for (i = 0; | |
1513 | temperature_sensors_sets[applesmc_temperature_set][i] != NULL; | |
1514 | i++) { | |
1515 | if (temperature_attributes[i] == NULL) { | |
1516 | printk(KERN_ERR "applesmc: More temperature sensors " | |
1517 | "in temperature_sensors_sets (at least %i)" | |
1518 | "than available sysfs files in " | |
1519 | "temperature_attributes (%i), please report " | |
1520 | "this bug.\n", i, i-1); | |
1521 | goto out_temperature; | |
1522 | } | |
1523 | ret = sysfs_create_file(&pdev->dev.kobj, | |
1524 | temperature_attributes[i]); | |
1525 | if (ret) | |
1526 | goto out_temperature; | |
1527 | } | |
1528 | ||
1529 | if (applesmc_accelerometer) { | |
1530 | ret = applesmc_create_accelerometer(); | |
1531 | if (ret) | |
1532 | goto out_temperature; | |
1533 | } | |
1534 | ||
1535 | if (applesmc_light) { | |
1536 | /* Add light sensor file */ | |
1537 | ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1538 | if (ret) | |
1539 | goto out_accelerometer; | |
1540 | ||
1541 | /* Create the workqueue */ | |
1542 | applesmc_led_wq = create_singlethread_workqueue("applesmc-led"); | |
1543 | if (!applesmc_led_wq) { | |
1544 | ret = -ENOMEM; | |
1545 | goto out_light_sysfs; | |
1546 | } | |
1547 | ||
1548 | /* register as a led device */ | |
1549 | ret = led_classdev_register(&pdev->dev, &applesmc_backlight); | |
1550 | if (ret < 0) | |
1551 | goto out_light_wq; | |
1552 | } | |
1553 | ||
1beeffe4 TJ |
1554 | hwmon_dev = hwmon_device_register(&pdev->dev); |
1555 | if (IS_ERR(hwmon_dev)) { | |
1556 | ret = PTR_ERR(hwmon_dev); | |
6f2fad74 NB |
1557 | goto out_light_ledclass; |
1558 | } | |
1559 | ||
1560 | printk(KERN_INFO "applesmc: driver successfully loaded.\n"); | |
1561 | ||
1562 | return 0; | |
1563 | ||
1564 | out_light_ledclass: | |
1565 | if (applesmc_light) | |
1566 | led_classdev_unregister(&applesmc_backlight); | |
1567 | out_light_wq: | |
1568 | if (applesmc_light) | |
1569 | destroy_workqueue(applesmc_led_wq); | |
1570 | out_light_sysfs: | |
1571 | if (applesmc_light) | |
1572 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1573 | out_accelerometer: | |
1574 | if (applesmc_accelerometer) | |
1575 | applesmc_release_accelerometer(); | |
1576 | out_temperature: | |
1577 | sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); | |
1578 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); | |
1579 | out_fan_1: | |
1580 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); | |
1581 | out_key_enumeration: | |
1582 | sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); | |
6996abf0 NB |
1583 | out_name: |
1584 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); | |
6f2fad74 NB |
1585 | out_device: |
1586 | platform_device_unregister(pdev); | |
1587 | out_driver: | |
1588 | platform_driver_unregister(&applesmc_driver); | |
1589 | out_region: | |
1590 | release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); | |
1591 | out: | |
1592 | printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); | |
1593 | return ret; | |
1594 | } | |
1595 | ||
1596 | static void __exit applesmc_exit(void) | |
1597 | { | |
1beeffe4 | 1598 | hwmon_device_unregister(hwmon_dev); |
6f2fad74 NB |
1599 | if (applesmc_light) { |
1600 | led_classdev_unregister(&applesmc_backlight); | |
1601 | destroy_workqueue(applesmc_led_wq); | |
1602 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); | |
1603 | } | |
1604 | if (applesmc_accelerometer) | |
1605 | applesmc_release_accelerometer(); | |
1606 | sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); | |
1607 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); | |
1608 | sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); | |
1609 | sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); | |
6996abf0 | 1610 | sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); |
6f2fad74 NB |
1611 | platform_device_unregister(pdev); |
1612 | platform_driver_unregister(&applesmc_driver); | |
1613 | release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); | |
1614 | ||
1615 | printk(KERN_INFO "applesmc: driver unloaded.\n"); | |
1616 | } | |
1617 | ||
1618 | module_init(applesmc_init); | |
1619 | module_exit(applesmc_exit); | |
1620 | ||
1621 | MODULE_AUTHOR("Nicolas Boichat"); | |
1622 | MODULE_DESCRIPTION("Apple SMC"); | |
1623 | MODULE_LICENSE("GPL v2"); | |
dc924efb | 1624 | MODULE_DEVICE_TABLE(dmi, applesmc_whitelist); |