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e59f8796 EC |
1 | /* |
2 | * eepc-laptop.c - Asus Eee PC extras | |
3 | * | |
4 | * Based on asus_acpi.c as patched for the Eee PC by Asus: | |
5 | * ftp://ftp.asus.com/pub/ASUS/EeePC/701/ASUS_ACPI_071126.rar | |
6 | * Based on eee.c from eeepc-linux | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | */ | |
18 | ||
19b53289 JP |
19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
20 | ||
e59f8796 EC |
21 | #include <linux/kernel.h> |
22 | #include <linux/module.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/types.h> | |
25 | #include <linux/platform_device.h> | |
a5fa429b CC |
26 | #include <linux/backlight.h> |
27 | #include <linux/fb.h> | |
e1faa9da CC |
28 | #include <linux/hwmon.h> |
29 | #include <linux/hwmon-sysfs.h> | |
e59f8796 EC |
30 | #include <acpi/acpi_drivers.h> |
31 | #include <acpi/acpi_bus.h> | |
32 | #include <linux/uaccess.h> | |
a195dcdc MG |
33 | #include <linux/input.h> |
34 | #include <linux/rfkill.h> | |
5740294c | 35 | #include <linux/pci.h> |
2b121bc2 | 36 | #include <linux/pci_hotplug.h> |
3c0eb510 | 37 | #include <linux/leds.h> |
e59f8796 EC |
38 | |
39 | #define EEEPC_LAPTOP_VERSION "0.1" | |
40 | ||
41 | #define EEEPC_HOTK_NAME "Eee PC Hotkey Driver" | |
42 | #define EEEPC_HOTK_FILE "eeepc" | |
43 | #define EEEPC_HOTK_CLASS "hotkey" | |
44 | #define EEEPC_HOTK_DEVICE_NAME "Hotkey" | |
45 | #define EEEPC_HOTK_HID "ASUS010" | |
46 | ||
e59f8796 EC |
47 | |
48 | /* | |
49 | * Definitions for Asus EeePC | |
50 | */ | |
51 | #define NOTIFY_WLAN_ON 0x10 | |
a5fa429b CC |
52 | #define NOTIFY_BRN_MIN 0x20 |
53 | #define NOTIFY_BRN_MAX 0x2f | |
e59f8796 EC |
54 | |
55 | enum { | |
56 | DISABLE_ASL_WLAN = 0x0001, | |
57 | DISABLE_ASL_BLUETOOTH = 0x0002, | |
58 | DISABLE_ASL_IRDA = 0x0004, | |
59 | DISABLE_ASL_CAMERA = 0x0008, | |
60 | DISABLE_ASL_TV = 0x0010, | |
61 | DISABLE_ASL_GPS = 0x0020, | |
62 | DISABLE_ASL_DISPLAYSWITCH = 0x0040, | |
63 | DISABLE_ASL_MODEM = 0x0080, | |
b7b700d4 CC |
64 | DISABLE_ASL_CARDREADER = 0x0100, |
65 | DISABLE_ASL_3G = 0x0200, | |
66 | DISABLE_ASL_WIMAX = 0x0400, | |
67 | DISABLE_ASL_HWCF = 0x0800 | |
e59f8796 EC |
68 | }; |
69 | ||
70 | enum { | |
71 | CM_ASL_WLAN = 0, | |
72 | CM_ASL_BLUETOOTH, | |
73 | CM_ASL_IRDA, | |
74 | CM_ASL_1394, | |
75 | CM_ASL_CAMERA, | |
76 | CM_ASL_TV, | |
77 | CM_ASL_GPS, | |
78 | CM_ASL_DVDROM, | |
79 | CM_ASL_DISPLAYSWITCH, | |
80 | CM_ASL_PANELBRIGHT, | |
81 | CM_ASL_BIOSFLASH, | |
82 | CM_ASL_ACPIFLASH, | |
83 | CM_ASL_CPUFV, | |
84 | CM_ASL_CPUTEMPERATURE, | |
85 | CM_ASL_FANCPU, | |
86 | CM_ASL_FANCHASSIS, | |
87 | CM_ASL_USBPORT1, | |
88 | CM_ASL_USBPORT2, | |
89 | CM_ASL_USBPORT3, | |
90 | CM_ASL_MODEM, | |
91 | CM_ASL_CARDREADER, | |
b7b700d4 CC |
92 | CM_ASL_3G, |
93 | CM_ASL_WIMAX, | |
94 | CM_ASL_HWCF, | |
95 | CM_ASL_LID, | |
96 | CM_ASL_TYPE, | |
97 | CM_ASL_PANELPOWER, /*P901*/ | |
98 | CM_ASL_TPD | |
e59f8796 EC |
99 | }; |
100 | ||
14109461 | 101 | static const char *cm_getv[] = { |
3af9bfcb | 102 | "WLDG", "BTHG", NULL, NULL, |
e59f8796 EC |
103 | "CAMG", NULL, NULL, NULL, |
104 | NULL, "PBLG", NULL, NULL, | |
105 | "CFVG", NULL, NULL, NULL, | |
106 | "USBG", NULL, NULL, "MODG", | |
b7b700d4 CC |
107 | "CRDG", "M3GG", "WIMG", "HWCF", |
108 | "LIDG", "TYPE", "PBPG", "TPDG" | |
e59f8796 EC |
109 | }; |
110 | ||
14109461 | 111 | static const char *cm_setv[] = { |
3af9bfcb | 112 | "WLDS", "BTHS", NULL, NULL, |
e59f8796 EC |
113 | "CAMS", NULL, NULL, NULL, |
114 | "SDSP", "PBLS", "HDPS", NULL, | |
115 | "CFVS", NULL, NULL, NULL, | |
116 | "USBG", NULL, NULL, "MODS", | |
b7b700d4 CC |
117 | "CRDS", "M3GS", "WIMS", NULL, |
118 | NULL, NULL, "PBPS", "TPDS" | |
e59f8796 EC |
119 | }; |
120 | ||
e1faa9da CC |
121 | #define EEEPC_EC "\\_SB.PCI0.SBRG.EC0." |
122 | ||
123 | #define EEEPC_EC_FAN_PWM EEEPC_EC "SC02" /* Fan PWM duty cycle (%) */ | |
124 | #define EEEPC_EC_SC02 0x63 | |
125 | #define EEEPC_EC_FAN_HRPM EEEPC_EC "SC05" /* High byte, fan speed (RPM) */ | |
126 | #define EEEPC_EC_FAN_LRPM EEEPC_EC "SC06" /* Low byte, fan speed (RPM) */ | |
127 | #define EEEPC_EC_FAN_CTRL EEEPC_EC "SFB3" /* Byte containing SF25 */ | |
128 | #define EEEPC_EC_SFB3 0xD3 | |
129 | ||
e59f8796 EC |
130 | /* |
131 | * This is the main structure, we can use it to store useful information | |
132 | * about the hotk device | |
133 | */ | |
134 | struct eeepc_hotk { | |
135 | struct acpi_device *device; /* the device we are in */ | |
136 | acpi_handle handle; /* the handle of the hotk device */ | |
137 | u32 cm_supported; /* the control methods supported | |
138 | by this BIOS */ | |
139 | uint init_flag; /* Init flags */ | |
140 | u16 event_count[128]; /* count for each event */ | |
a195dcdc MG |
141 | struct input_dev *inputdev; |
142 | u16 *keycode_map; | |
7de39389 CC |
143 | struct rfkill *wlan_rfkill; |
144 | struct rfkill *bluetooth_rfkill; | |
3cd530b5 | 145 | struct rfkill *wwan3g_rfkill; |
d1ec9c3d | 146 | struct rfkill *wimax_rfkill; |
2b121bc2 | 147 | struct hotplug_slot *hotplug_slot; |
dcf443b5 | 148 | struct mutex hotplug_lock; |
e59f8796 EC |
149 | }; |
150 | ||
151 | /* The actual device the driver binds to */ | |
152 | static struct eeepc_hotk *ehotk; | |
153 | ||
154 | /* Platform device/driver */ | |
c200da5d AJ |
155 | static int eeepc_hotk_thaw(struct device *device); |
156 | static int eeepc_hotk_restore(struct device *device); | |
157 | ||
158 | static struct dev_pm_ops eeepc_pm_ops = { | |
159 | .thaw = eeepc_hotk_thaw, | |
160 | .restore = eeepc_hotk_restore, | |
161 | }; | |
162 | ||
e59f8796 EC |
163 | static struct platform_driver platform_driver = { |
164 | .driver = { | |
165 | .name = EEEPC_HOTK_FILE, | |
166 | .owner = THIS_MODULE, | |
c200da5d | 167 | .pm = &eeepc_pm_ops, |
e59f8796 EC |
168 | } |
169 | }; | |
170 | ||
171 | static struct platform_device *platform_device; | |
172 | ||
a195dcdc MG |
173 | struct key_entry { |
174 | char type; | |
175 | u8 code; | |
176 | u16 keycode; | |
177 | }; | |
178 | ||
179 | enum { KE_KEY, KE_END }; | |
180 | ||
181 | static struct key_entry eeepc_keymap[] = { | |
182 | /* Sleep already handled via generic ACPI code */ | |
183 | {KE_KEY, 0x10, KEY_WLAN }, | |
978605c4 | 184 | {KE_KEY, 0x11, KEY_WLAN }, |
a195dcdc MG |
185 | {KE_KEY, 0x12, KEY_PROG1 }, |
186 | {KE_KEY, 0x13, KEY_MUTE }, | |
187 | {KE_KEY, 0x14, KEY_VOLUMEDOWN }, | |
188 | {KE_KEY, 0x15, KEY_VOLUMEUP }, | |
b5f6f265 MG |
189 | {KE_KEY, 0x1a, KEY_COFFEE }, |
190 | {KE_KEY, 0x1b, KEY_ZOOM }, | |
191 | {KE_KEY, 0x1c, KEY_PROG2 }, | |
192 | {KE_KEY, 0x1d, KEY_PROG3 }, | |
64b86b65 DS |
193 | {KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN }, |
194 | {KE_KEY, NOTIFY_BRN_MIN + 2, KEY_BRIGHTNESSUP }, | |
a195dcdc MG |
195 | {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, |
196 | {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, | |
197 | {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, | |
198 | {KE_END, 0}, | |
199 | }; | |
200 | ||
e59f8796 EC |
201 | /* |
202 | * The hotkey driver declaration | |
203 | */ | |
204 | static int eeepc_hotk_add(struct acpi_device *device); | |
205 | static int eeepc_hotk_remove(struct acpi_device *device, int type); | |
d9b9bd7b | 206 | static void eeepc_hotk_notify(struct acpi_device *device, u32 event); |
e59f8796 EC |
207 | |
208 | static const struct acpi_device_id eeepc_device_ids[] = { | |
209 | {EEEPC_HOTK_HID, 0}, | |
210 | {"", 0}, | |
211 | }; | |
212 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); | |
213 | ||
214 | static struct acpi_driver eeepc_hotk_driver = { | |
215 | .name = EEEPC_HOTK_NAME, | |
216 | .class = EEEPC_HOTK_CLASS, | |
eacec303 | 217 | .owner = THIS_MODULE, |
e59f8796 | 218 | .ids = eeepc_device_ids, |
d9b9bd7b | 219 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
e59f8796 EC |
220 | .ops = { |
221 | .add = eeepc_hotk_add, | |
222 | .remove = eeepc_hotk_remove, | |
d9b9bd7b | 223 | .notify = eeepc_hotk_notify, |
e59f8796 EC |
224 | }, |
225 | }; | |
226 | ||
2b121bc2 CC |
227 | /* PCI hotplug ops */ |
228 | static int eeepc_get_adapter_status(struct hotplug_slot *slot, u8 *value); | |
229 | ||
230 | static struct hotplug_slot_ops eeepc_hotplug_slot_ops = { | |
231 | .owner = THIS_MODULE, | |
232 | .get_adapter_status = eeepc_get_adapter_status, | |
233 | .get_power_status = eeepc_get_adapter_status, | |
234 | }; | |
235 | ||
a5fa429b CC |
236 | /* The backlight device /sys/class/backlight */ |
237 | static struct backlight_device *eeepc_backlight_device; | |
238 | ||
e1faa9da CC |
239 | /* The hwmon device */ |
240 | static struct device *eeepc_hwmon_device; | |
241 | ||
a5fa429b CC |
242 | /* |
243 | * The backlight class declaration | |
244 | */ | |
245 | static int read_brightness(struct backlight_device *bd); | |
246 | static int update_bl_status(struct backlight_device *bd); | |
247 | static struct backlight_ops eeepcbl_ops = { | |
248 | .get_brightness = read_brightness, | |
249 | .update_status = update_bl_status, | |
250 | }; | |
251 | ||
e59f8796 EC |
252 | MODULE_AUTHOR("Corentin Chary, Eric Cooper"); |
253 | MODULE_DESCRIPTION(EEEPC_HOTK_NAME); | |
254 | MODULE_LICENSE("GPL"); | |
255 | ||
256 | /* | |
257 | * ACPI Helpers | |
258 | */ | |
259 | static int write_acpi_int(acpi_handle handle, const char *method, int val, | |
260 | struct acpi_buffer *output) | |
261 | { | |
262 | struct acpi_object_list params; | |
263 | union acpi_object in_obj; | |
264 | acpi_status status; | |
265 | ||
266 | params.count = 1; | |
267 | params.pointer = &in_obj; | |
268 | in_obj.type = ACPI_TYPE_INTEGER; | |
269 | in_obj.integer.value = val; | |
270 | ||
271 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
272 | return (status == AE_OK ? 0 : -1); | |
273 | } | |
274 | ||
275 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) | |
276 | { | |
277 | acpi_status status; | |
27663c58 | 278 | unsigned long long result; |
e59f8796 EC |
279 | |
280 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
281 | if (ACPI_FAILURE(status)) { | |
282 | *val = -1; | |
283 | return -1; | |
284 | } else { | |
285 | *val = result; | |
286 | return 0; | |
287 | } | |
288 | } | |
289 | ||
290 | static int set_acpi(int cm, int value) | |
291 | { | |
13f70029 AJ |
292 | const char *method = cm_setv[cm]; |
293 | ||
294 | if (method == NULL) | |
295 | return -ENODEV; | |
296 | if ((ehotk->cm_supported & (0x1 << cm)) == 0) | |
297 | return -ENODEV; | |
298 | ||
299 | if (write_acpi_int(ehotk->handle, method, value, NULL)) | |
300 | pr_warning("Error writing %s\n", method); | |
e59f8796 EC |
301 | return 0; |
302 | } | |
303 | ||
304 | static int get_acpi(int cm) | |
305 | { | |
13f70029 AJ |
306 | const char *method = cm_getv[cm]; |
307 | int value; | |
308 | ||
309 | if (method == NULL) | |
310 | return -ENODEV; | |
311 | if ((ehotk->cm_supported & (0x1 << cm)) == 0) | |
312 | return -ENODEV; | |
313 | ||
314 | if (read_acpi_int(ehotk->handle, method, &value)) | |
315 | pr_warning("Error reading %s\n", method); | |
e59f8796 EC |
316 | return value; |
317 | } | |
318 | ||
a5fa429b CC |
319 | /* |
320 | * Backlight | |
321 | */ | |
322 | static int read_brightness(struct backlight_device *bd) | |
323 | { | |
324 | return get_acpi(CM_ASL_PANELBRIGHT); | |
325 | } | |
326 | ||
327 | static int set_brightness(struct backlight_device *bd, int value) | |
328 | { | |
a5fa429b CC |
329 | return set_acpi(CM_ASL_PANELBRIGHT, value); |
330 | } | |
331 | ||
332 | static int update_bl_status(struct backlight_device *bd) | |
333 | { | |
334 | return set_brightness(bd, bd->props.brightness); | |
335 | } | |
336 | ||
a195dcdc MG |
337 | /* |
338 | * Rfkill helpers | |
339 | */ | |
340 | ||
19d337df | 341 | static bool eeepc_wlan_rfkill_blocked(void) |
a195dcdc MG |
342 | { |
343 | if (get_acpi(CM_ASL_WLAN) == 1) | |
19d337df JB |
344 | return false; |
345 | return true; | |
a195dcdc MG |
346 | } |
347 | ||
19d337df | 348 | static int eeepc_rfkill_set(void *data, bool blocked) |
a195dcdc | 349 | { |
19d337df | 350 | unsigned long asl = (unsigned long)data; |
58ce48a9 | 351 | return set_acpi(asl, !blocked); |
a195dcdc MG |
352 | } |
353 | ||
19d337df JB |
354 | static const struct rfkill_ops eeepc_rfkill_ops = { |
355 | .set_block = eeepc_rfkill_set, | |
356 | }; | |
a195dcdc | 357 | |
dcb73eed | 358 | static void __devinit eeepc_enable_camera(void) |
cede2cb6 PE |
359 | { |
360 | /* | |
361 | * If the following call to set_acpi() fails, it's because there's no | |
362 | * camera so we can ignore the error. | |
363 | */ | |
80f0c895 LN |
364 | if (get_acpi(CM_ASL_CAMERA) == 0) |
365 | set_acpi(CM_ASL_CAMERA, 1); | |
cede2cb6 PE |
366 | } |
367 | ||
e59f8796 EC |
368 | /* |
369 | * Sys helpers | |
370 | */ | |
371 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
372 | { | |
373 | if (!count) | |
374 | return 0; | |
375 | if (sscanf(buf, "%i", val) != 1) | |
376 | return -EINVAL; | |
377 | return count; | |
378 | } | |
379 | ||
380 | static ssize_t store_sys_acpi(int cm, const char *buf, size_t count) | |
381 | { | |
382 | int rv, value; | |
383 | ||
384 | rv = parse_arg(buf, count, &value); | |
385 | if (rv > 0) | |
f36509e7 CC |
386 | value = set_acpi(cm, value); |
387 | if (value < 0) | |
6dff29b6 | 388 | return -EIO; |
e59f8796 EC |
389 | return rv; |
390 | } | |
391 | ||
392 | static ssize_t show_sys_acpi(int cm, char *buf) | |
393 | { | |
f36509e7 CC |
394 | int value = get_acpi(cm); |
395 | ||
396 | if (value < 0) | |
6dff29b6 | 397 | return -EIO; |
f36509e7 | 398 | return sprintf(buf, "%d\n", value); |
e59f8796 EC |
399 | } |
400 | ||
6dff29b6 | 401 | #define EEEPC_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ |
e59f8796 EC |
402 | static ssize_t show_##_name(struct device *dev, \ |
403 | struct device_attribute *attr, \ | |
404 | char *buf) \ | |
405 | { \ | |
406 | return show_sys_acpi(_cm, buf); \ | |
407 | } \ | |
408 | static ssize_t store_##_name(struct device *dev, \ | |
409 | struct device_attribute *attr, \ | |
410 | const char *buf, size_t count) \ | |
411 | { \ | |
412 | return store_sys_acpi(_cm, buf, count); \ | |
413 | } \ | |
414 | static struct device_attribute dev_attr_##_name = { \ | |
415 | .attr = { \ | |
416 | .name = __stringify(_name), \ | |
6dff29b6 | 417 | .mode = _mode }, \ |
e59f8796 EC |
418 | .show = show_##_name, \ |
419 | .store = store_##_name, \ | |
420 | } | |
421 | ||
6dff29b6 AJ |
422 | EEEPC_CREATE_DEVICE_ATTR(camera, 0644, CM_ASL_CAMERA); |
423 | EEEPC_CREATE_DEVICE_ATTR(cardr, 0644, CM_ASL_CARDREADER); | |
424 | EEEPC_CREATE_DEVICE_ATTR(disp, 0200, CM_ASL_DISPLAYSWITCH); | |
b31d0fde CC |
425 | |
426 | struct eeepc_cpufv { | |
427 | int num; | |
428 | int cur; | |
429 | }; | |
430 | ||
431 | static int get_cpufv(struct eeepc_cpufv *c) | |
432 | { | |
433 | c->cur = get_acpi(CM_ASL_CPUFV); | |
434 | c->num = (c->cur >> 8) & 0xff; | |
435 | c->cur &= 0xff; | |
436 | if (c->cur < 0 || c->num <= 0 || c->num > 12) | |
437 | return -ENODEV; | |
438 | return 0; | |
439 | } | |
440 | ||
441 | static ssize_t show_available_cpufv(struct device *dev, | |
442 | struct device_attribute *attr, | |
443 | char *buf) | |
444 | { | |
445 | struct eeepc_cpufv c; | |
446 | int i; | |
447 | ssize_t len = 0; | |
448 | ||
449 | if (get_cpufv(&c)) | |
450 | return -ENODEV; | |
451 | for (i = 0; i < c.num; i++) | |
452 | len += sprintf(buf + len, "%d ", i); | |
453 | len += sprintf(buf + len, "\n"); | |
454 | return len; | |
455 | } | |
456 | ||
457 | static ssize_t show_cpufv(struct device *dev, | |
458 | struct device_attribute *attr, | |
459 | char *buf) | |
460 | { | |
461 | struct eeepc_cpufv c; | |
462 | ||
463 | if (get_cpufv(&c)) | |
464 | return -ENODEV; | |
465 | return sprintf(buf, "%#x\n", (c.num << 8) | c.cur); | |
466 | } | |
467 | ||
468 | static ssize_t store_cpufv(struct device *dev, | |
469 | struct device_attribute *attr, | |
470 | const char *buf, size_t count) | |
471 | { | |
472 | struct eeepc_cpufv c; | |
473 | int rv, value; | |
474 | ||
475 | if (get_cpufv(&c)) | |
476 | return -ENODEV; | |
477 | rv = parse_arg(buf, count, &value); | |
478 | if (rv < 0) | |
479 | return rv; | |
480 | if (!rv || value < 0 || value >= c.num) | |
481 | return -EINVAL; | |
482 | set_acpi(CM_ASL_CPUFV, value); | |
483 | return rv; | |
484 | } | |
485 | ||
486 | static struct device_attribute dev_attr_cpufv = { | |
487 | .attr = { | |
488 | .name = "cpufv", | |
489 | .mode = 0644 }, | |
490 | .show = show_cpufv, | |
491 | .store = store_cpufv | |
492 | }; | |
493 | ||
494 | static struct device_attribute dev_attr_available_cpufv = { | |
495 | .attr = { | |
496 | .name = "available_cpufv", | |
497 | .mode = 0444 }, | |
498 | .show = show_available_cpufv | |
499 | }; | |
e59f8796 EC |
500 | |
501 | static struct attribute *platform_attributes[] = { | |
502 | &dev_attr_camera.attr, | |
503 | &dev_attr_cardr.attr, | |
504 | &dev_attr_disp.attr, | |
158ca1d7 | 505 | &dev_attr_cpufv.attr, |
b31d0fde | 506 | &dev_attr_available_cpufv.attr, |
e59f8796 EC |
507 | NULL |
508 | }; | |
509 | ||
510 | static struct attribute_group platform_attribute_group = { | |
511 | .attrs = platform_attributes | |
512 | }; | |
513 | ||
3c0eb510 CC |
514 | /* |
515 | * LEDs | |
516 | */ | |
517 | /* | |
518 | * These functions actually update the LED's, and are called from a | |
519 | * workqueue. By doing this as separate work rather than when the LED | |
520 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
521 | * potentially bad time, such as a timer interrupt. | |
522 | */ | |
523 | static int tpd_led_wk; | |
524 | ||
525 | static void tpd_led_update(struct work_struct *ignored) | |
526 | { | |
527 | int value = tpd_led_wk; | |
528 | set_acpi(CM_ASL_TPD, value); | |
529 | } | |
530 | ||
531 | static struct workqueue_struct *led_workqueue; | |
532 | static DECLARE_WORK(tpd_led_work, tpd_led_update); | |
533 | ||
534 | static void tpd_led_set(struct led_classdev *led_cdev, | |
535 | enum led_brightness value) | |
536 | { | |
537 | tpd_led_wk = (value > 0) ? 1 : 0; | |
538 | queue_work(led_workqueue, &tpd_led_work); | |
539 | } | |
540 | ||
541 | static struct led_classdev tpd_led = { | |
542 | .name = "eeepc::touchpad", | |
543 | .brightness_set = tpd_led_set, | |
544 | .max_brightness = 1 | |
545 | }; | |
546 | ||
e59f8796 EC |
547 | /* |
548 | * Hotkey functions | |
549 | */ | |
a195dcdc MG |
550 | static struct key_entry *eepc_get_entry_by_scancode(int code) |
551 | { | |
552 | struct key_entry *key; | |
553 | ||
554 | for (key = eeepc_keymap; key->type != KE_END; key++) | |
555 | if (code == key->code) | |
556 | return key; | |
557 | ||
558 | return NULL; | |
559 | } | |
560 | ||
561 | static struct key_entry *eepc_get_entry_by_keycode(int code) | |
562 | { | |
563 | struct key_entry *key; | |
564 | ||
565 | for (key = eeepc_keymap; key->type != KE_END; key++) | |
566 | if (code == key->keycode && key->type == KE_KEY) | |
567 | return key; | |
568 | ||
569 | return NULL; | |
570 | } | |
571 | ||
572 | static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
573 | { | |
574 | struct key_entry *key = eepc_get_entry_by_scancode(scancode); | |
575 | ||
576 | if (key && key->type == KE_KEY) { | |
577 | *keycode = key->keycode; | |
578 | return 0; | |
579 | } | |
580 | ||
581 | return -EINVAL; | |
582 | } | |
583 | ||
584 | static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
585 | { | |
586 | struct key_entry *key; | |
587 | int old_keycode; | |
588 | ||
589 | if (keycode < 0 || keycode > KEY_MAX) | |
590 | return -EINVAL; | |
591 | ||
592 | key = eepc_get_entry_by_scancode(scancode); | |
593 | if (key && key->type == KE_KEY) { | |
594 | old_keycode = key->keycode; | |
595 | key->keycode = keycode; | |
596 | set_bit(keycode, dev->keybit); | |
597 | if (!eepc_get_entry_by_keycode(old_keycode)) | |
598 | clear_bit(old_keycode, dev->keybit); | |
599 | return 0; | |
600 | } | |
601 | ||
602 | return -EINVAL; | |
603 | } | |
604 | ||
dbfa3ba9 CC |
605 | static void cmsg_quirk(int cm, const char *name) |
606 | { | |
607 | int dummy; | |
608 | ||
609 | /* Some BIOSes do not report cm although it is avaliable. | |
610 | Check if cm_getv[cm] works and, if yes, assume cm should be set. */ | |
611 | if (!(ehotk->cm_supported & (1 << cm)) | |
612 | && !read_acpi_int(ehotk->handle, cm_getv[cm], &dummy)) { | |
613 | pr_info("%s (%x) not reported by BIOS," | |
614 | " enabling anyway\n", name, 1 << cm); | |
615 | ehotk->cm_supported |= 1 << cm; | |
616 | } | |
617 | } | |
618 | ||
619 | static void cmsg_quirks(void) | |
620 | { | |
621 | cmsg_quirk(CM_ASL_LID, "LID"); | |
622 | cmsg_quirk(CM_ASL_TYPE, "TYPE"); | |
623 | cmsg_quirk(CM_ASL_PANELPOWER, "PANELPOWER"); | |
624 | cmsg_quirk(CM_ASL_TPD, "TPD"); | |
625 | } | |
626 | ||
e59f8796 EC |
627 | static int eeepc_hotk_check(void) |
628 | { | |
629 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
630 | int result; | |
631 | ||
632 | result = acpi_bus_get_status(ehotk->device); | |
633 | if (result) | |
634 | return result; | |
635 | if (ehotk->device->status.present) { | |
636 | if (write_acpi_int(ehotk->handle, "INIT", ehotk->init_flag, | |
637 | &buffer)) { | |
19b53289 | 638 | pr_err("Hotkey initialization failed\n"); |
e59f8796 EC |
639 | return -ENODEV; |
640 | } else { | |
19b53289 | 641 | pr_notice("Hotkey init flags 0x%x\n", ehotk->init_flag); |
e59f8796 EC |
642 | } |
643 | /* get control methods supported */ | |
644 | if (read_acpi_int(ehotk->handle, "CMSG" | |
645 | , &ehotk->cm_supported)) { | |
19b53289 | 646 | pr_err("Get control methods supported failed\n"); |
e59f8796 EC |
647 | return -ENODEV; |
648 | } else { | |
dbfa3ba9 | 649 | cmsg_quirks(); |
19b53289 JP |
650 | pr_info("Get control methods supported: 0x%x\n", |
651 | ehotk->cm_supported); | |
e59f8796 EC |
652 | } |
653 | } else { | |
19b53289 | 654 | pr_err("Hotkey device not present, aborting\n"); |
e59f8796 EC |
655 | return -EINVAL; |
656 | } | |
657 | return 0; | |
658 | } | |
659 | ||
64b86b65 | 660 | static int notify_brn(void) |
a5fa429b | 661 | { |
64b86b65 | 662 | /* returns the *previous* brightness, or -1 */ |
a5fa429b | 663 | struct backlight_device *bd = eeepc_backlight_device; |
a2a1d36c AJ |
664 | int old = bd->props.brightness; |
665 | ||
666 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
667 | ||
668 | return old; | |
a5fa429b CC |
669 | } |
670 | ||
2b121bc2 CC |
671 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
672 | u8 *value) | |
673 | { | |
674 | int val = get_acpi(CM_ASL_WLAN); | |
675 | ||
676 | if (val == 1 || val == 0) | |
677 | *value = val; | |
678 | else | |
679 | return -EINVAL; | |
680 | ||
681 | return 0; | |
682 | } | |
683 | ||
58ce48a9 | 684 | static void eeepc_rfkill_hotplug(void) |
5740294c MG |
685 | { |
686 | struct pci_dev *dev; | |
6d41839e | 687 | struct pci_bus *bus; |
58ce48a9 | 688 | bool blocked = eeepc_wlan_rfkill_blocked(); |
5740294c | 689 | |
58ce48a9 | 690 | if (ehotk->wlan_rfkill) |
07e84aa9 | 691 | rfkill_set_sw_state(ehotk->wlan_rfkill, blocked); |
6d41839e | 692 | |
dcf443b5 AJ |
693 | mutex_lock(&ehotk->hotplug_lock); |
694 | ||
07e84aa9 AJ |
695 | if (ehotk->hotplug_slot) { |
696 | bus = pci_find_bus(0, 1); | |
697 | if (!bus) { | |
698 | pr_warning("Unable to find PCI bus 1?\n"); | |
dcf443b5 | 699 | goto out_unlock; |
5740294c | 700 | } |
07e84aa9 AJ |
701 | |
702 | if (!blocked) { | |
703 | dev = pci_get_slot(bus, 0); | |
704 | if (dev) { | |
705 | /* Device already present */ | |
706 | pci_dev_put(dev); | |
707 | goto out_unlock; | |
708 | } | |
709 | dev = pci_scan_single_device(bus, 0); | |
710 | if (dev) { | |
711 | pci_bus_assign_resources(bus); | |
712 | if (pci_bus_add_device(dev)) | |
713 | pr_err("Unable to hotplug wifi\n"); | |
714 | } | |
715 | } else { | |
716 | dev = pci_get_slot(bus, 0); | |
717 | if (dev) { | |
718 | pci_remove_bus_device(dev); | |
719 | pci_dev_put(dev); | |
720 | } | |
5740294c MG |
721 | } |
722 | } | |
dcf443b5 AJ |
723 | |
724 | out_unlock: | |
725 | mutex_unlock(&ehotk->hotplug_lock); | |
5740294c MG |
726 | } |
727 | ||
96e9cfeb AJ |
728 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
729 | { | |
730 | if (event != ACPI_NOTIFY_BUS_CHECK) | |
731 | return; | |
732 | ||
58ce48a9 | 733 | eeepc_rfkill_hotplug(); |
96e9cfeb AJ |
734 | } |
735 | ||
d9b9bd7b | 736 | static void eeepc_hotk_notify(struct acpi_device *device, u32 event) |
e59f8796 | 737 | { |
a195dcdc | 738 | static struct key_entry *key; |
7950b71c | 739 | u16 count; |
64b86b65 | 740 | int brn = -ENODEV; |
7950b71c | 741 | |
d9b9bd7b BH |
742 | if (event > ACPI_MAX_SYS_NOTIFY) |
743 | return; | |
a5fa429b | 744 | if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) |
64b86b65 | 745 | brn = notify_brn(); |
7950b71c CC |
746 | count = ehotk->event_count[event % 128]++; |
747 | acpi_bus_generate_proc_event(ehotk->device, event, count); | |
2b25c9f0 CC |
748 | acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class, |
749 | dev_name(&ehotk->device->dev), event, | |
7950b71c | 750 | count); |
a195dcdc | 751 | if (ehotk->inputdev) { |
a2a1d36c AJ |
752 | /* brightness-change events need special |
753 | * handling for conversion to key events | |
754 | */ | |
755 | if (brn < 0) | |
756 | brn = event; | |
757 | else | |
758 | brn += NOTIFY_BRN_MIN; | |
759 | if (event < brn) | |
760 | event = NOTIFY_BRN_MIN; /* brightness down */ | |
761 | else if (event > brn) | |
762 | event = NOTIFY_BRN_MIN + 2; /* ... up */ | |
763 | else | |
764 | event = NOTIFY_BRN_MIN + 1; /* ... unchanged */ | |
765 | ||
a195dcdc MG |
766 | key = eepc_get_entry_by_scancode(event); |
767 | if (key) { | |
768 | switch (key->type) { | |
769 | case KE_KEY: | |
770 | input_report_key(ehotk->inputdev, key->keycode, | |
771 | 1); | |
772 | input_sync(ehotk->inputdev); | |
773 | input_report_key(ehotk->inputdev, key->keycode, | |
774 | 0); | |
775 | input_sync(ehotk->inputdev); | |
776 | break; | |
777 | } | |
778 | } | |
779 | } | |
e59f8796 EC |
780 | } |
781 | ||
5740294c MG |
782 | static int eeepc_register_rfkill_notifier(char *node) |
783 | { | |
784 | acpi_status status = AE_OK; | |
785 | acpi_handle handle; | |
786 | ||
787 | status = acpi_get_handle(NULL, node, &handle); | |
788 | ||
789 | if (ACPI_SUCCESS(status)) { | |
790 | status = acpi_install_notify_handler(handle, | |
791 | ACPI_SYSTEM_NOTIFY, | |
792 | eeepc_rfkill_notify, | |
793 | NULL); | |
794 | if (ACPI_FAILURE(status)) | |
19b53289 | 795 | pr_warning("Failed to register notify on %s\n", node); |
5740294c MG |
796 | } else |
797 | return -ENODEV; | |
798 | ||
799 | return 0; | |
800 | } | |
801 | ||
802 | static void eeepc_unregister_rfkill_notifier(char *node) | |
803 | { | |
804 | acpi_status status = AE_OK; | |
805 | acpi_handle handle; | |
806 | ||
807 | status = acpi_get_handle(NULL, node, &handle); | |
808 | ||
809 | if (ACPI_SUCCESS(status)) { | |
810 | status = acpi_remove_notify_handler(handle, | |
811 | ACPI_SYSTEM_NOTIFY, | |
812 | eeepc_rfkill_notify); | |
813 | if (ACPI_FAILURE(status)) | |
19b53289 | 814 | pr_err("Error removing rfkill notify handler %s\n", |
5740294c MG |
815 | node); |
816 | } | |
817 | } | |
818 | ||
2b121bc2 CC |
819 | static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
820 | { | |
821 | kfree(hotplug_slot->info); | |
822 | kfree(hotplug_slot); | |
823 | } | |
824 | ||
825 | static int eeepc_setup_pci_hotplug(void) | |
826 | { | |
827 | int ret = -ENOMEM; | |
828 | struct pci_bus *bus = pci_find_bus(0, 1); | |
829 | ||
830 | if (!bus) { | |
19b53289 | 831 | pr_err("Unable to find wifi PCI bus\n"); |
2b121bc2 CC |
832 | return -ENODEV; |
833 | } | |
834 | ||
835 | ehotk->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); | |
836 | if (!ehotk->hotplug_slot) | |
837 | goto error_slot; | |
838 | ||
839 | ehotk->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), | |
840 | GFP_KERNEL); | |
841 | if (!ehotk->hotplug_slot->info) | |
842 | goto error_info; | |
843 | ||
844 | ehotk->hotplug_slot->private = ehotk; | |
845 | ehotk->hotplug_slot->release = &eeepc_cleanup_pci_hotplug; | |
846 | ehotk->hotplug_slot->ops = &eeepc_hotplug_slot_ops; | |
847 | eeepc_get_adapter_status(ehotk->hotplug_slot, | |
848 | &ehotk->hotplug_slot->info->adapter_status); | |
849 | ||
850 | ret = pci_hp_register(ehotk->hotplug_slot, bus, 0, "eeepc-wifi"); | |
851 | if (ret) { | |
19b53289 | 852 | pr_err("Unable to register hotplug slot - %d\n", ret); |
2b121bc2 CC |
853 | goto error_register; |
854 | } | |
855 | ||
856 | return 0; | |
857 | ||
858 | error_register: | |
859 | kfree(ehotk->hotplug_slot->info); | |
860 | error_info: | |
861 | kfree(ehotk->hotplug_slot); | |
862 | ehotk->hotplug_slot = NULL; | |
863 | error_slot: | |
864 | return ret; | |
865 | } | |
866 | ||
c200da5d | 867 | static int eeepc_hotk_thaw(struct device *device) |
96e9cfeb | 868 | { |
7de39389 | 869 | if (ehotk->wlan_rfkill) { |
96e9cfeb AJ |
870 | bool wlan; |
871 | ||
c1edd99f AJ |
872 | /* |
873 | * Work around bios bug - acpi _PTS turns off the wireless led | |
874 | * during suspend. Normally it restores it on resume, but | |
c200da5d | 875 | * we should kick it ourselves in case hibernation is aborted. |
96e9cfeb AJ |
876 | */ |
877 | wlan = get_acpi(CM_ASL_WLAN); | |
878 | set_acpi(CM_ASL_WLAN, wlan); | |
c200da5d AJ |
879 | } |
880 | ||
881 | return 0; | |
882 | } | |
96e9cfeb | 883 | |
c200da5d AJ |
884 | static int eeepc_hotk_restore(struct device *device) |
885 | { | |
886 | /* Refresh both wlan rfkill state and pci hotplug */ | |
887 | if (ehotk->wlan_rfkill) | |
58ce48a9 | 888 | eeepc_rfkill_hotplug(); |
96e9cfeb | 889 | |
7de39389 CC |
890 | if (ehotk->bluetooth_rfkill) |
891 | rfkill_set_sw_state(ehotk->bluetooth_rfkill, | |
96e9cfeb | 892 | get_acpi(CM_ASL_BLUETOOTH) != 1); |
a4746101 AJ |
893 | if (ehotk->wwan3g_rfkill) |
894 | rfkill_set_sw_state(ehotk->wwan3g_rfkill, | |
895 | get_acpi(CM_ASL_3G) != 1); | |
d1ec9c3d CC |
896 | if (ehotk->wimax_rfkill) |
897 | rfkill_set_sw_state(ehotk->wimax_rfkill, | |
898 | get_acpi(CM_ASL_WIMAX) != 1); | |
96e9cfeb AJ |
899 | |
900 | return 0; | |
901 | } | |
902 | ||
e1faa9da CC |
903 | /* |
904 | * Hwmon | |
905 | */ | |
906 | static int eeepc_get_fan_pwm(void) | |
907 | { | |
908 | int value = 0; | |
909 | ||
910 | read_acpi_int(NULL, EEEPC_EC_FAN_PWM, &value); | |
04dcd84b | 911 | value = value * 255 / 100; |
e1faa9da CC |
912 | return (value); |
913 | } | |
914 | ||
915 | static void eeepc_set_fan_pwm(int value) | |
916 | { | |
04dcd84b CC |
917 | value = SENSORS_LIMIT(value, 0, 255); |
918 | value = value * 100 / 255; | |
e1faa9da CC |
919 | ec_write(EEEPC_EC_SC02, value); |
920 | } | |
921 | ||
922 | static int eeepc_get_fan_rpm(void) | |
923 | { | |
924 | int high = 0; | |
925 | int low = 0; | |
926 | ||
927 | read_acpi_int(NULL, EEEPC_EC_FAN_HRPM, &high); | |
928 | read_acpi_int(NULL, EEEPC_EC_FAN_LRPM, &low); | |
929 | return (high << 8 | low); | |
930 | } | |
931 | ||
932 | static int eeepc_get_fan_ctrl(void) | |
933 | { | |
934 | int value = 0; | |
935 | ||
936 | read_acpi_int(NULL, EEEPC_EC_FAN_CTRL, &value); | |
48718688 AJ |
937 | if (value & 0x02) |
938 | return 1; /* manual */ | |
939 | else | |
940 | return 2; /* automatic */ | |
e1faa9da CC |
941 | } |
942 | ||
943 | static void eeepc_set_fan_ctrl(int manual) | |
944 | { | |
945 | int value = 0; | |
946 | ||
947 | read_acpi_int(NULL, EEEPC_EC_FAN_CTRL, &value); | |
48718688 | 948 | if (manual == 1) |
e1faa9da CC |
949 | value |= 0x02; |
950 | else | |
951 | value &= ~0x02; | |
952 | ec_write(EEEPC_EC_SFB3, value); | |
953 | } | |
954 | ||
955 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) | |
956 | { | |
957 | int rv, value; | |
958 | ||
959 | rv = parse_arg(buf, count, &value); | |
960 | if (rv > 0) | |
961 | set(value); | |
962 | return rv; | |
963 | } | |
964 | ||
965 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) | |
966 | { | |
967 | return sprintf(buf, "%d\n", get()); | |
968 | } | |
969 | ||
970 | #define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ | |
971 | static ssize_t show_##_name(struct device *dev, \ | |
972 | struct device_attribute *attr, \ | |
973 | char *buf) \ | |
974 | { \ | |
975 | return show_sys_hwmon(_set, buf); \ | |
976 | } \ | |
977 | static ssize_t store_##_name(struct device *dev, \ | |
978 | struct device_attribute *attr, \ | |
979 | const char *buf, size_t count) \ | |
980 | { \ | |
981 | return store_sys_hwmon(_get, buf, count); \ | |
982 | } \ | |
983 | static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); | |
984 | ||
985 | EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); | |
04dcd84b | 986 | EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, |
e1faa9da CC |
987 | eeepc_get_fan_pwm, eeepc_set_fan_pwm); |
988 | EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, | |
989 | eeepc_get_fan_ctrl, eeepc_set_fan_ctrl); | |
990 | ||
04dcd84b CC |
991 | static ssize_t |
992 | show_name(struct device *dev, struct device_attribute *attr, char *buf) | |
993 | { | |
994 | return sprintf(buf, "eeepc\n"); | |
995 | } | |
996 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); | |
997 | ||
e1faa9da | 998 | static struct attribute *hwmon_attributes[] = { |
04dcd84b | 999 | &sensor_dev_attr_pwm1.dev_attr.attr, |
e1faa9da CC |
1000 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1001 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
04dcd84b | 1002 | &sensor_dev_attr_name.dev_attr.attr, |
e1faa9da CC |
1003 | NULL |
1004 | }; | |
1005 | ||
1006 | static struct attribute_group hwmon_attribute_group = { | |
1007 | .attrs = hwmon_attributes | |
1008 | }; | |
1009 | ||
e59f8796 EC |
1010 | /* |
1011 | * exit/init | |
1012 | */ | |
a5fa429b CC |
1013 | static void eeepc_backlight_exit(void) |
1014 | { | |
1015 | if (eeepc_backlight_device) | |
1016 | backlight_device_unregister(eeepc_backlight_device); | |
a9df80c5 CC |
1017 | eeepc_backlight_device = NULL; |
1018 | } | |
1019 | ||
1020 | static void eeepc_rfkill_exit(void) | |
1021 | { | |
52cc96bd | 1022 | eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P5"); |
7de39389 CC |
1023 | eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6"); |
1024 | eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7"); | |
07e84aa9 | 1025 | if (ehotk->wlan_rfkill) { |
7de39389 | 1026 | rfkill_unregister(ehotk->wlan_rfkill); |
a8258069 | 1027 | rfkill_destroy(ehotk->wlan_rfkill); |
07e84aa9 AJ |
1028 | ehotk->wlan_rfkill = NULL; |
1029 | } | |
1030 | /* | |
1031 | * Refresh pci hotplug in case the rfkill state was changed after | |
1032 | * eeepc_unregister_rfkill_notifier() | |
1033 | */ | |
58ce48a9 | 1034 | eeepc_rfkill_hotplug(); |
07e84aa9 AJ |
1035 | if (ehotk->hotplug_slot) |
1036 | pci_hp_deregister(ehotk->hotplug_slot); | |
1037 | ||
a8258069 | 1038 | if (ehotk->bluetooth_rfkill) { |
7de39389 | 1039 | rfkill_unregister(ehotk->bluetooth_rfkill); |
a8258069 AJ |
1040 | rfkill_destroy(ehotk->bluetooth_rfkill); |
1041 | ehotk->bluetooth_rfkill = NULL; | |
1042 | } | |
1043 | if (ehotk->wwan3g_rfkill) { | |
3cd530b5 | 1044 | rfkill_unregister(ehotk->wwan3g_rfkill); |
a8258069 AJ |
1045 | rfkill_destroy(ehotk->wwan3g_rfkill); |
1046 | ehotk->wwan3g_rfkill = NULL; | |
1047 | } | |
1048 | if (ehotk->wimax_rfkill) { | |
d1ec9c3d | 1049 | rfkill_unregister(ehotk->wimax_rfkill); |
a8258069 AJ |
1050 | rfkill_destroy(ehotk->wimax_rfkill); |
1051 | ehotk->wimax_rfkill = NULL; | |
1052 | } | |
a9df80c5 CC |
1053 | } |
1054 | ||
1055 | static void eeepc_input_exit(void) | |
1056 | { | |
1057 | if (ehotk->inputdev) | |
1058 | input_unregister_device(ehotk->inputdev); | |
a5fa429b CC |
1059 | } |
1060 | ||
e1faa9da CC |
1061 | static void eeepc_hwmon_exit(void) |
1062 | { | |
1063 | struct device *hwmon; | |
1064 | ||
1065 | hwmon = eeepc_hwmon_device; | |
1066 | if (!hwmon) | |
1067 | return ; | |
e1faa9da CC |
1068 | sysfs_remove_group(&hwmon->kobj, |
1069 | &hwmon_attribute_group); | |
f1441318 | 1070 | hwmon_device_unregister(hwmon); |
e1faa9da CC |
1071 | eeepc_hwmon_device = NULL; |
1072 | } | |
1073 | ||
3c0eb510 CC |
1074 | static void eeepc_led_exit(void) |
1075 | { | |
3c0eb510 CC |
1076 | if (tpd_led.dev) |
1077 | led_classdev_unregister(&tpd_led); | |
2b56f1c1 AJ |
1078 | if (led_workqueue) |
1079 | destroy_workqueue(led_workqueue); | |
3c0eb510 CC |
1080 | } |
1081 | ||
7de39389 CC |
1082 | static int eeepc_new_rfkill(struct rfkill **rfkill, |
1083 | const char *name, struct device *dev, | |
1084 | enum rfkill_type type, int cm) | |
1085 | { | |
1086 | int result; | |
1087 | ||
f36509e7 CC |
1088 | result = get_acpi(cm); |
1089 | if (result < 0) | |
1090 | return result; | |
7de39389 CC |
1091 | |
1092 | *rfkill = rfkill_alloc(name, dev, type, | |
1093 | &eeepc_rfkill_ops, (void *)(unsigned long)cm); | |
1094 | ||
1095 | if (!*rfkill) | |
1096 | return -EINVAL; | |
1097 | ||
1098 | rfkill_init_sw_state(*rfkill, get_acpi(cm) != 1); | |
1099 | result = rfkill_register(*rfkill); | |
1100 | if (result) { | |
1101 | rfkill_destroy(*rfkill); | |
1102 | *rfkill = NULL; | |
1103 | return result; | |
1104 | } | |
1105 | return 0; | |
1106 | } | |
1107 | ||
1108 | ||
1109 | static int eeepc_rfkill_init(struct device *dev) | |
1110 | { | |
1111 | int result = 0; | |
1112 | ||
dcf443b5 | 1113 | mutex_init(&ehotk->hotplug_lock); |
7334546a | 1114 | |
7de39389 CC |
1115 | result = eeepc_new_rfkill(&ehotk->wlan_rfkill, |
1116 | "eeepc-wlan", dev, | |
1117 | RFKILL_TYPE_WLAN, CM_ASL_WLAN); | |
1118 | ||
1119 | if (result && result != -ENODEV) | |
1120 | goto exit; | |
1121 | ||
1122 | result = eeepc_new_rfkill(&ehotk->bluetooth_rfkill, | |
1123 | "eeepc-bluetooth", dev, | |
1124 | RFKILL_TYPE_BLUETOOTH, CM_ASL_BLUETOOTH); | |
1125 | ||
1126 | if (result && result != -ENODEV) | |
1127 | goto exit; | |
1128 | ||
3cd530b5 CC |
1129 | result = eeepc_new_rfkill(&ehotk->wwan3g_rfkill, |
1130 | "eeepc-wwan3g", dev, | |
1131 | RFKILL_TYPE_WWAN, CM_ASL_3G); | |
1132 | ||
1133 | if (result && result != -ENODEV) | |
1134 | goto exit; | |
1135 | ||
d1ec9c3d CC |
1136 | result = eeepc_new_rfkill(&ehotk->wimax_rfkill, |
1137 | "eeepc-wimax", dev, | |
1138 | RFKILL_TYPE_WIMAX, CM_ASL_WIMAX); | |
1139 | ||
1140 | if (result && result != -ENODEV) | |
1141 | goto exit; | |
1142 | ||
7de39389 CC |
1143 | result = eeepc_setup_pci_hotplug(); |
1144 | /* | |
1145 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
1146 | * don't fail in this case | |
1147 | */ | |
1148 | if (result == -EBUSY) | |
1149 | result = 0; | |
1150 | ||
52cc96bd | 1151 | eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P5"); |
07e84aa9 AJ |
1152 | eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6"); |
1153 | eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7"); | |
1154 | /* | |
1155 | * Refresh pci hotplug in case the rfkill state was changed during | |
1156 | * setup. | |
1157 | */ | |
58ce48a9 | 1158 | eeepc_rfkill_hotplug(); |
07e84aa9 | 1159 | |
7de39389 CC |
1160 | exit: |
1161 | if (result && result != -ENODEV) | |
1162 | eeepc_rfkill_exit(); | |
1163 | return result; | |
1164 | } | |
1165 | ||
a5fa429b CC |
1166 | static int eeepc_backlight_init(struct device *dev) |
1167 | { | |
1168 | struct backlight_device *bd; | |
1169 | ||
1170 | bd = backlight_device_register(EEEPC_HOTK_FILE, dev, | |
1171 | NULL, &eeepcbl_ops); | |
1172 | if (IS_ERR(bd)) { | |
19b53289 | 1173 | pr_err("Could not register eeepc backlight device\n"); |
a5fa429b CC |
1174 | eeepc_backlight_device = NULL; |
1175 | return PTR_ERR(bd); | |
1176 | } | |
1177 | eeepc_backlight_device = bd; | |
1178 | bd->props.max_brightness = 15; | |
1179 | bd->props.brightness = read_brightness(NULL); | |
1180 | bd->props.power = FB_BLANK_UNBLANK; | |
1181 | backlight_update_status(bd); | |
1182 | return 0; | |
1183 | } | |
1184 | ||
e1faa9da CC |
1185 | static int eeepc_hwmon_init(struct device *dev) |
1186 | { | |
1187 | struct device *hwmon; | |
1188 | int result; | |
1189 | ||
1190 | hwmon = hwmon_device_register(dev); | |
1191 | if (IS_ERR(hwmon)) { | |
19b53289 | 1192 | pr_err("Could not register eeepc hwmon device\n"); |
e1faa9da CC |
1193 | eeepc_hwmon_device = NULL; |
1194 | return PTR_ERR(hwmon); | |
1195 | } | |
1196 | eeepc_hwmon_device = hwmon; | |
1197 | result = sysfs_create_group(&hwmon->kobj, | |
1198 | &hwmon_attribute_group); | |
1199 | if (result) | |
1200 | eeepc_hwmon_exit(); | |
1201 | return result; | |
1202 | } | |
1203 | ||
f2a9d5e8 AJ |
1204 | static int eeepc_input_init(struct device *dev) |
1205 | { | |
1206 | const struct key_entry *key; | |
1207 | int result; | |
1208 | ||
1209 | ehotk->inputdev = input_allocate_device(); | |
1210 | if (!ehotk->inputdev) { | |
1211 | pr_info("Unable to allocate input device\n"); | |
1212 | return -ENOMEM; | |
1213 | } | |
1214 | ehotk->inputdev->name = "Asus EeePC extra buttons"; | |
1215 | ehotk->inputdev->dev.parent = dev; | |
1216 | ehotk->inputdev->phys = EEEPC_HOTK_FILE "/input0"; | |
1217 | ehotk->inputdev->id.bustype = BUS_HOST; | |
1218 | ehotk->inputdev->getkeycode = eeepc_getkeycode; | |
1219 | ehotk->inputdev->setkeycode = eeepc_setkeycode; | |
1220 | ||
1221 | for (key = eeepc_keymap; key->type != KE_END; key++) { | |
1222 | switch (key->type) { | |
1223 | case KE_KEY: | |
1224 | set_bit(EV_KEY, ehotk->inputdev->evbit); | |
1225 | set_bit(key->keycode, ehotk->inputdev->keybit); | |
1226 | break; | |
1227 | } | |
1228 | } | |
1229 | result = input_register_device(ehotk->inputdev); | |
1230 | if (result) { | |
1231 | pr_info("Unable to register input device\n"); | |
1232 | input_free_device(ehotk->inputdev); | |
1233 | return result; | |
1234 | } | |
1235 | return 0; | |
1236 | } | |
1237 | ||
3c0eb510 CC |
1238 | static int eeepc_led_init(struct device *dev) |
1239 | { | |
1240 | int rv; | |
1241 | ||
1242 | if (get_acpi(CM_ASL_TPD) == -ENODEV) | |
1243 | return 0; | |
1244 | ||
3c0eb510 CC |
1245 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
1246 | if (!led_workqueue) | |
1247 | return -ENOMEM; | |
1248 | ||
2b56f1c1 | 1249 | rv = led_classdev_register(dev, &tpd_led); |
dc56ad9b AJ |
1250 | if (rv) { |
1251 | destroy_workqueue(led_workqueue); | |
2b56f1c1 | 1252 | return rv; |
dc56ad9b | 1253 | } |
2b56f1c1 | 1254 | |
3c0eb510 CC |
1255 | return 0; |
1256 | } | |
1257 | ||
dcb73eed | 1258 | static int __devinit eeepc_hotk_add(struct acpi_device *device) |
e59f8796 EC |
1259 | { |
1260 | struct device *dev; | |
1261 | int result; | |
1262 | ||
1e779854 AJ |
1263 | pr_notice(EEEPC_HOTK_NAME "\n"); |
1264 | ehotk = kzalloc(sizeof(struct eeepc_hotk), GFP_KERNEL); | |
1265 | if (!ehotk) | |
1266 | return -ENOMEM; | |
1267 | ehotk->init_flag = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; | |
1268 | ehotk->handle = device->handle; | |
1269 | strcpy(acpi_device_name(device), EEEPC_HOTK_DEVICE_NAME); | |
1270 | strcpy(acpi_device_class(device), EEEPC_HOTK_CLASS); | |
1271 | device->driver_data = ehotk; | |
1272 | ehotk->device = device; | |
cede2cb6 | 1273 | |
1e779854 AJ |
1274 | result = eeepc_hotk_check(); |
1275 | if (result) | |
f2a9d5e8 | 1276 | goto fail_platform_driver; |
cede2cb6 PE |
1277 | eeepc_enable_camera(); |
1278 | ||
e59f8796 EC |
1279 | /* Register platform stuff */ |
1280 | result = platform_driver_register(&platform_driver); | |
1281 | if (result) | |
1282 | goto fail_platform_driver; | |
1283 | platform_device = platform_device_alloc(EEEPC_HOTK_FILE, -1); | |
1284 | if (!platform_device) { | |
1285 | result = -ENOMEM; | |
1286 | goto fail_platform_device1; | |
1287 | } | |
1288 | result = platform_device_add(platform_device); | |
1289 | if (result) | |
1290 | goto fail_platform_device2; | |
1291 | result = sysfs_create_group(&platform_device->dev.kobj, | |
1292 | &platform_attribute_group); | |
1293 | if (result) | |
1294 | goto fail_sysfs; | |
7de39389 | 1295 | |
1ddec2f9 CC |
1296 | dev = &platform_device->dev; |
1297 | ||
1298 | if (!acpi_video_backlight_support()) { | |
1299 | result = eeepc_backlight_init(dev); | |
1300 | if (result) | |
1301 | goto fail_backlight; | |
1302 | } else | |
1303 | pr_info("Backlight controlled by ACPI video " | |
1304 | "driver\n"); | |
1305 | ||
f2a9d5e8 AJ |
1306 | result = eeepc_input_init(dev); |
1307 | if (result) | |
1308 | goto fail_input; | |
1309 | ||
1ddec2f9 CC |
1310 | result = eeepc_hwmon_init(dev); |
1311 | if (result) | |
1312 | goto fail_hwmon; | |
1313 | ||
3c0eb510 CC |
1314 | result = eeepc_led_init(dev); |
1315 | if (result) | |
1316 | goto fail_led; | |
1317 | ||
7de39389 CC |
1318 | result = eeepc_rfkill_init(dev); |
1319 | if (result) | |
1320 | goto fail_rfkill; | |
1321 | ||
e59f8796 | 1322 | return 0; |
1e779854 | 1323 | |
7de39389 | 1324 | fail_rfkill: |
3c0eb510 CC |
1325 | eeepc_led_exit(); |
1326 | fail_led: | |
1ddec2f9 CC |
1327 | eeepc_hwmon_exit(); |
1328 | fail_hwmon: | |
f2a9d5e8 AJ |
1329 | eeepc_input_exit(); |
1330 | fail_input: | |
1ddec2f9 CC |
1331 | eeepc_backlight_exit(); |
1332 | fail_backlight: | |
7de39389 CC |
1333 | sysfs_remove_group(&platform_device->dev.kobj, |
1334 | &platform_attribute_group); | |
e59f8796 EC |
1335 | fail_sysfs: |
1336 | platform_device_del(platform_device); | |
1337 | fail_platform_device2: | |
1338 | platform_device_put(platform_device); | |
1339 | fail_platform_device1: | |
1340 | platform_driver_unregister(&platform_driver); | |
1341 | fail_platform_driver: | |
1e779854 AJ |
1342 | kfree(ehotk); |
1343 | ||
e59f8796 EC |
1344 | return result; |
1345 | } | |
1346 | ||
1e779854 AJ |
1347 | static int eeepc_hotk_remove(struct acpi_device *device, int type) |
1348 | { | |
1e779854 AJ |
1349 | eeepc_backlight_exit(); |
1350 | eeepc_rfkill_exit(); | |
1351 | eeepc_input_exit(); | |
1352 | eeepc_hwmon_exit(); | |
3c0eb510 | 1353 | eeepc_led_exit(); |
1e779854 AJ |
1354 | sysfs_remove_group(&platform_device->dev.kobj, |
1355 | &platform_attribute_group); | |
1356 | platform_device_unregister(platform_device); | |
1357 | platform_driver_unregister(&platform_driver); | |
1358 | ||
1359 | kfree(ehotk); | |
1360 | return 0; | |
1361 | } | |
1362 | ||
1363 | static int __init eeepc_laptop_init(void) | |
1364 | { | |
1365 | int result; | |
1366 | ||
1e779854 AJ |
1367 | result = acpi_bus_register_driver(&eeepc_hotk_driver); |
1368 | if (result < 0) | |
1369 | return result; | |
1370 | if (!ehotk) { | |
1371 | acpi_bus_unregister_driver(&eeepc_hotk_driver); | |
1372 | return -ENODEV; | |
1373 | } | |
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | static void __exit eeepc_laptop_exit(void) | |
1378 | { | |
1379 | acpi_bus_unregister_driver(&eeepc_hotk_driver); | |
1380 | } | |
1381 | ||
e59f8796 EC |
1382 | module_init(eeepc_laptop_init); |
1383 | module_exit(eeepc_laptop_exit); |