Commit | Line | Data |
---|---|---|
e59f8796 | 1 | /* |
a7624b63 | 2 | * eeepc-laptop.c - Asus Eee PC extras |
e59f8796 EC |
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> | |
5a0e3ad6 | 30 | #include <linux/slab.h> |
e59f8796 EC |
31 | #include <acpi/acpi_drivers.h> |
32 | #include <acpi/acpi_bus.h> | |
33 | #include <linux/uaccess.h> | |
a195dcdc | 34 | #include <linux/input.h> |
642e0447 | 35 | #include <linux/input/sparse-keymap.h> |
a195dcdc | 36 | #include <linux/rfkill.h> |
5740294c | 37 | #include <linux/pci.h> |
2b121bc2 | 38 | #include <linux/pci_hotplug.h> |
3c0eb510 | 39 | #include <linux/leds.h> |
da8ba01d | 40 | #include <linux/dmi.h> |
e59f8796 EC |
41 | |
42 | #define EEEPC_LAPTOP_VERSION "0.1" | |
a7624b63 AJ |
43 | #define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver" |
44 | #define EEEPC_LAPTOP_FILE "eeepc" | |
e59f8796 | 45 | |
a7624b63 AJ |
46 | #define EEEPC_ACPI_CLASS "hotkey" |
47 | #define EEEPC_ACPI_DEVICE_NAME "Hotkey" | |
48 | #define EEEPC_ACPI_HID "ASUS010" | |
e59f8796 | 49 | |
52bbe3c7 | 50 | MODULE_AUTHOR("Corentin Chary, Eric Cooper"); |
a7624b63 | 51 | MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME); |
52bbe3c7 | 52 | MODULE_LICENSE("GPL"); |
e59f8796 | 53 | |
322a1356 CC |
54 | static bool hotplug_disabled; |
55 | ||
bfa47960 | 56 | module_param(hotplug_disabled, bool, 0444); |
322a1356 CC |
57 | MODULE_PARM_DESC(hotplug_disabled, |
58 | "Disable hotplug for wireless device. " | |
59 | "If your laptop need that, please report to " | |
60 | "acpi4asus-user@lists.sourceforge.net."); | |
61 | ||
e59f8796 EC |
62 | /* |
63 | * Definitions for Asus EeePC | |
64 | */ | |
a5fa429b CC |
65 | #define NOTIFY_BRN_MIN 0x20 |
66 | #define NOTIFY_BRN_MAX 0x2f | |
e59f8796 EC |
67 | |
68 | enum { | |
69 | DISABLE_ASL_WLAN = 0x0001, | |
70 | DISABLE_ASL_BLUETOOTH = 0x0002, | |
71 | DISABLE_ASL_IRDA = 0x0004, | |
72 | DISABLE_ASL_CAMERA = 0x0008, | |
73 | DISABLE_ASL_TV = 0x0010, | |
74 | DISABLE_ASL_GPS = 0x0020, | |
75 | DISABLE_ASL_DISPLAYSWITCH = 0x0040, | |
76 | DISABLE_ASL_MODEM = 0x0080, | |
b7b700d4 CC |
77 | DISABLE_ASL_CARDREADER = 0x0100, |
78 | DISABLE_ASL_3G = 0x0200, | |
79 | DISABLE_ASL_WIMAX = 0x0400, | |
80 | DISABLE_ASL_HWCF = 0x0800 | |
e59f8796 EC |
81 | }; |
82 | ||
83 | enum { | |
84 | CM_ASL_WLAN = 0, | |
85 | CM_ASL_BLUETOOTH, | |
86 | CM_ASL_IRDA, | |
87 | CM_ASL_1394, | |
88 | CM_ASL_CAMERA, | |
89 | CM_ASL_TV, | |
90 | CM_ASL_GPS, | |
91 | CM_ASL_DVDROM, | |
92 | CM_ASL_DISPLAYSWITCH, | |
93 | CM_ASL_PANELBRIGHT, | |
94 | CM_ASL_BIOSFLASH, | |
95 | CM_ASL_ACPIFLASH, | |
96 | CM_ASL_CPUFV, | |
97 | CM_ASL_CPUTEMPERATURE, | |
98 | CM_ASL_FANCPU, | |
99 | CM_ASL_FANCHASSIS, | |
100 | CM_ASL_USBPORT1, | |
101 | CM_ASL_USBPORT2, | |
102 | CM_ASL_USBPORT3, | |
103 | CM_ASL_MODEM, | |
104 | CM_ASL_CARDREADER, | |
b7b700d4 CC |
105 | CM_ASL_3G, |
106 | CM_ASL_WIMAX, | |
107 | CM_ASL_HWCF, | |
108 | CM_ASL_LID, | |
109 | CM_ASL_TYPE, | |
110 | CM_ASL_PANELPOWER, /*P901*/ | |
111 | CM_ASL_TPD | |
e59f8796 EC |
112 | }; |
113 | ||
14109461 | 114 | static const char *cm_getv[] = { |
3af9bfcb | 115 | "WLDG", "BTHG", NULL, NULL, |
e59f8796 EC |
116 | "CAMG", NULL, NULL, NULL, |
117 | NULL, "PBLG", NULL, NULL, | |
118 | "CFVG", NULL, NULL, NULL, | |
119 | "USBG", NULL, NULL, "MODG", | |
b7b700d4 CC |
120 | "CRDG", "M3GG", "WIMG", "HWCF", |
121 | "LIDG", "TYPE", "PBPG", "TPDG" | |
e59f8796 EC |
122 | }; |
123 | ||
14109461 | 124 | static const char *cm_setv[] = { |
3af9bfcb | 125 | "WLDS", "BTHS", NULL, NULL, |
e59f8796 EC |
126 | "CAMS", NULL, NULL, NULL, |
127 | "SDSP", "PBLS", "HDPS", NULL, | |
128 | "CFVS", NULL, NULL, NULL, | |
129 | "USBG", NULL, NULL, "MODS", | |
b7b700d4 CC |
130 | "CRDS", "M3GS", "WIMS", NULL, |
131 | NULL, NULL, "PBPS", "TPDS" | |
e59f8796 EC |
132 | }; |
133 | ||
854c7836 | 134 | static const struct key_entry eeepc_keymap[] = { |
642e0447 DT |
135 | { KE_KEY, 0x10, { KEY_WLAN } }, |
136 | { KE_KEY, 0x11, { KEY_WLAN } }, | |
137 | { KE_KEY, 0x12, { KEY_PROG1 } }, | |
138 | { KE_KEY, 0x13, { KEY_MUTE } }, | |
139 | { KE_KEY, 0x14, { KEY_VOLUMEDOWN } }, | |
140 | { KE_KEY, 0x15, { KEY_VOLUMEUP } }, | |
141 | { KE_KEY, 0x16, { KEY_DISPLAY_OFF } }, | |
142 | { KE_KEY, 0x1a, { KEY_COFFEE } }, | |
143 | { KE_KEY, 0x1b, { KEY_ZOOM } }, | |
144 | { KE_KEY, 0x1c, { KEY_PROG2 } }, | |
145 | { KE_KEY, 0x1d, { KEY_PROG3 } }, | |
146 | { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } }, | |
147 | { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } }, | |
148 | { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } }, | |
149 | { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } }, | |
150 | { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } }, | |
151 | { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */ | |
152 | { KE_KEY, 0x38, { KEY_F14 } }, | |
153 | { KE_END, 0 }, | |
a195dcdc MG |
154 | }; |
155 | ||
e59f8796 | 156 | /* |
52bbe3c7 | 157 | * This is the main structure, we can use it to store useful information |
e59f8796 | 158 | */ |
a7624b63 | 159 | struct eeepc_laptop { |
854c7836 | 160 | acpi_handle handle; /* the handle of the acpi device */ |
52bbe3c7 AJ |
161 | u32 cm_supported; /* the control methods supported |
162 | by this BIOS */ | |
da8ba01d | 163 | bool cpufv_disabled; |
10ae4b56 | 164 | bool hotplug_disabled; |
52bbe3c7 | 165 | u16 event_count[128]; /* count for each event */ |
e59f8796 | 166 | |
854c7836 AJ |
167 | struct platform_device *platform_device; |
168 | struct device *hwmon_device; | |
169 | struct backlight_device *backlight_device; | |
2b121bc2 | 170 | |
52bbe3c7 | 171 | struct input_dev *inputdev; |
2b121bc2 | 172 | |
52bbe3c7 AJ |
173 | struct rfkill *wlan_rfkill; |
174 | struct rfkill *bluetooth_rfkill; | |
175 | struct rfkill *wwan3g_rfkill; | |
176 | struct rfkill *wimax_rfkill; | |
a5fa429b | 177 | |
52bbe3c7 AJ |
178 | struct hotplug_slot *hotplug_slot; |
179 | struct mutex hotplug_lock; | |
e1faa9da | 180 | |
854c7836 AJ |
181 | struct led_classdev tpd_led; |
182 | int tpd_led_wk; | |
183 | struct workqueue_struct *led_workqueue; | |
184 | struct work_struct tpd_led_work; | |
a5fa429b CC |
185 | }; |
186 | ||
e59f8796 EC |
187 | /* |
188 | * ACPI Helpers | |
189 | */ | |
6b188a7b | 190 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
e59f8796 EC |
191 | { |
192 | struct acpi_object_list params; | |
193 | union acpi_object in_obj; | |
194 | acpi_status status; | |
195 | ||
196 | params.count = 1; | |
197 | params.pointer = &in_obj; | |
198 | in_obj.type = ACPI_TYPE_INTEGER; | |
199 | in_obj.integer.value = val; | |
200 | ||
6b188a7b | 201 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, NULL); |
e59f8796 EC |
202 | return (status == AE_OK ? 0 : -1); |
203 | } | |
204 | ||
205 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) | |
206 | { | |
207 | acpi_status status; | |
27663c58 | 208 | unsigned long long result; |
e59f8796 EC |
209 | |
210 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
211 | if (ACPI_FAILURE(status)) { | |
212 | *val = -1; | |
213 | return -1; | |
214 | } else { | |
215 | *val = result; | |
216 | return 0; | |
217 | } | |
218 | } | |
219 | ||
854c7836 | 220 | static int set_acpi(struct eeepc_laptop *eeepc, int cm, int value) |
e59f8796 | 221 | { |
13f70029 | 222 | const char *method = cm_setv[cm]; |
e59f8796 | 223 | |
13f70029 AJ |
224 | if (method == NULL) |
225 | return -ENODEV; | |
a7624b63 | 226 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 227 | return -ENODEV; |
a5fa429b | 228 | |
a7624b63 | 229 | if (write_acpi_int(eeepc->handle, method, value)) |
13f70029 | 230 | pr_warning("Error writing %s\n", method); |
e59f8796 | 231 | return 0; |
a5fa429b CC |
232 | } |
233 | ||
854c7836 | 234 | static int get_acpi(struct eeepc_laptop *eeepc, int cm) |
a5fa429b | 235 | { |
13f70029 AJ |
236 | const char *method = cm_getv[cm]; |
237 | int value; | |
a5fa429b | 238 | |
13f70029 AJ |
239 | if (method == NULL) |
240 | return -ENODEV; | |
a7624b63 | 241 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 242 | return -ENODEV; |
a195dcdc | 243 | |
a7624b63 | 244 | if (read_acpi_int(eeepc->handle, method, &value)) |
13f70029 | 245 | pr_warning("Error reading %s\n", method); |
e59f8796 | 246 | return value; |
a195dcdc MG |
247 | } |
248 | ||
f90be874 CC |
249 | static int acpi_setter_handle(struct eeepc_laptop *eeepc, int cm, |
250 | acpi_handle *handle) | |
a195dcdc | 251 | { |
854c7836 AJ |
252 | const char *method = cm_setv[cm]; |
253 | acpi_status status; | |
a195dcdc | 254 | |
854c7836 AJ |
255 | if (method == NULL) |
256 | return -ENODEV; | |
257 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) | |
258 | return -ENODEV; | |
a195dcdc | 259 | |
854c7836 | 260 | status = acpi_get_handle(eeepc->handle, (char *)method, |
f90be874 | 261 | handle); |
854c7836 AJ |
262 | if (status != AE_OK) { |
263 | pr_warning("Error finding %s\n", method); | |
264 | return -ENODEV; | |
265 | } | |
266 | return 0; | |
cede2cb6 PE |
267 | } |
268 | ||
854c7836 | 269 | |
e59f8796 EC |
270 | /* |
271 | * Sys helpers | |
272 | */ | |
273 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
274 | { | |
275 | if (!count) | |
276 | return 0; | |
277 | if (sscanf(buf, "%i", val) != 1) | |
278 | return -EINVAL; | |
279 | return count; | |
280 | } | |
281 | ||
854c7836 AJ |
282 | static ssize_t store_sys_acpi(struct device *dev, int cm, |
283 | const char *buf, size_t count) | |
e59f8796 | 284 | { |
854c7836 | 285 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
e59f8796 EC |
286 | int rv, value; |
287 | ||
288 | rv = parse_arg(buf, count, &value); | |
289 | if (rv > 0) | |
854c7836 | 290 | value = set_acpi(eeepc, cm, value); |
f36509e7 | 291 | if (value < 0) |
6dff29b6 | 292 | return -EIO; |
e59f8796 EC |
293 | return rv; |
294 | } | |
295 | ||
854c7836 | 296 | static ssize_t show_sys_acpi(struct device *dev, int cm, char *buf) |
e59f8796 | 297 | { |
854c7836 AJ |
298 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
299 | int value = get_acpi(eeepc, cm); | |
f36509e7 CC |
300 | |
301 | if (value < 0) | |
6dff29b6 | 302 | return -EIO; |
f36509e7 | 303 | return sprintf(buf, "%d\n", value); |
e59f8796 EC |
304 | } |
305 | ||
6dff29b6 | 306 | #define EEEPC_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ |
e59f8796 EC |
307 | static ssize_t show_##_name(struct device *dev, \ |
308 | struct device_attribute *attr, \ | |
309 | char *buf) \ | |
310 | { \ | |
854c7836 | 311 | return show_sys_acpi(dev, _cm, buf); \ |
e59f8796 EC |
312 | } \ |
313 | static ssize_t store_##_name(struct device *dev, \ | |
314 | struct device_attribute *attr, \ | |
315 | const char *buf, size_t count) \ | |
316 | { \ | |
854c7836 | 317 | return store_sys_acpi(dev, _cm, buf, count); \ |
e59f8796 EC |
318 | } \ |
319 | static struct device_attribute dev_attr_##_name = { \ | |
320 | .attr = { \ | |
321 | .name = __stringify(_name), \ | |
6dff29b6 | 322 | .mode = _mode }, \ |
e59f8796 EC |
323 | .show = show_##_name, \ |
324 | .store = store_##_name, \ | |
325 | } | |
326 | ||
6dff29b6 AJ |
327 | EEEPC_CREATE_DEVICE_ATTR(camera, 0644, CM_ASL_CAMERA); |
328 | EEEPC_CREATE_DEVICE_ATTR(cardr, 0644, CM_ASL_CARDREADER); | |
329 | EEEPC_CREATE_DEVICE_ATTR(disp, 0200, CM_ASL_DISPLAYSWITCH); | |
b31d0fde CC |
330 | |
331 | struct eeepc_cpufv { | |
332 | int num; | |
333 | int cur; | |
334 | }; | |
335 | ||
854c7836 | 336 | static int get_cpufv(struct eeepc_laptop *eeepc, struct eeepc_cpufv *c) |
b31d0fde | 337 | { |
854c7836 | 338 | c->cur = get_acpi(eeepc, CM_ASL_CPUFV); |
b31d0fde CC |
339 | c->num = (c->cur >> 8) & 0xff; |
340 | c->cur &= 0xff; | |
341 | if (c->cur < 0 || c->num <= 0 || c->num > 12) | |
342 | return -ENODEV; | |
343 | return 0; | |
344 | } | |
345 | ||
346 | static ssize_t show_available_cpufv(struct device *dev, | |
347 | struct device_attribute *attr, | |
348 | char *buf) | |
349 | { | |
854c7836 | 350 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
351 | struct eeepc_cpufv c; |
352 | int i; | |
353 | ssize_t len = 0; | |
354 | ||
854c7836 | 355 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
356 | return -ENODEV; |
357 | for (i = 0; i < c.num; i++) | |
358 | len += sprintf(buf + len, "%d ", i); | |
359 | len += sprintf(buf + len, "\n"); | |
360 | return len; | |
361 | } | |
362 | ||
363 | static ssize_t show_cpufv(struct device *dev, | |
364 | struct device_attribute *attr, | |
365 | char *buf) | |
366 | { | |
854c7836 | 367 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
368 | struct eeepc_cpufv c; |
369 | ||
854c7836 | 370 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
371 | return -ENODEV; |
372 | return sprintf(buf, "%#x\n", (c.num << 8) | c.cur); | |
373 | } | |
374 | ||
375 | static ssize_t store_cpufv(struct device *dev, | |
376 | struct device_attribute *attr, | |
377 | const char *buf, size_t count) | |
378 | { | |
854c7836 | 379 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
380 | struct eeepc_cpufv c; |
381 | int rv, value; | |
382 | ||
da8ba01d AJ |
383 | if (eeepc->cpufv_disabled) |
384 | return -EPERM; | |
854c7836 | 385 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
386 | return -ENODEV; |
387 | rv = parse_arg(buf, count, &value); | |
388 | if (rv < 0) | |
389 | return rv; | |
390 | if (!rv || value < 0 || value >= c.num) | |
391 | return -EINVAL; | |
854c7836 | 392 | set_acpi(eeepc, CM_ASL_CPUFV, value); |
b31d0fde CC |
393 | return rv; |
394 | } | |
395 | ||
da8ba01d AJ |
396 | static ssize_t show_cpufv_disabled(struct device *dev, |
397 | struct device_attribute *attr, | |
398 | char *buf) | |
399 | { | |
400 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
401 | ||
402 | return sprintf(buf, "%d\n", eeepc->cpufv_disabled); | |
403 | } | |
404 | ||
405 | static ssize_t store_cpufv_disabled(struct device *dev, | |
406 | struct device_attribute *attr, | |
407 | const char *buf, size_t count) | |
408 | { | |
409 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
410 | int rv, value; | |
411 | ||
412 | rv = parse_arg(buf, count, &value); | |
413 | if (rv < 0) | |
414 | return rv; | |
415 | ||
416 | switch (value) { | |
417 | case 0: | |
418 | if (eeepc->cpufv_disabled) | |
419 | pr_warning("cpufv enabled (not officially supported " | |
420 | "on this model)\n"); | |
421 | eeepc->cpufv_disabled = false; | |
422 | return rv; | |
423 | case 1: | |
424 | return -EPERM; | |
425 | default: | |
426 | return -EINVAL; | |
427 | } | |
428 | } | |
429 | ||
430 | ||
b31d0fde CC |
431 | static struct device_attribute dev_attr_cpufv = { |
432 | .attr = { | |
433 | .name = "cpufv", | |
434 | .mode = 0644 }, | |
435 | .show = show_cpufv, | |
436 | .store = store_cpufv | |
437 | }; | |
438 | ||
439 | static struct device_attribute dev_attr_available_cpufv = { | |
440 | .attr = { | |
441 | .name = "available_cpufv", | |
442 | .mode = 0444 }, | |
443 | .show = show_available_cpufv | |
444 | }; | |
e59f8796 | 445 | |
da8ba01d AJ |
446 | static struct device_attribute dev_attr_cpufv_disabled = { |
447 | .attr = { | |
448 | .name = "cpufv_disabled", | |
449 | .mode = 0644 }, | |
450 | .show = show_cpufv_disabled, | |
451 | .store = store_cpufv_disabled | |
452 | }; | |
453 | ||
454 | ||
e59f8796 EC |
455 | static struct attribute *platform_attributes[] = { |
456 | &dev_attr_camera.attr, | |
457 | &dev_attr_cardr.attr, | |
458 | &dev_attr_disp.attr, | |
158ca1d7 | 459 | &dev_attr_cpufv.attr, |
b31d0fde | 460 | &dev_attr_available_cpufv.attr, |
da8ba01d | 461 | &dev_attr_cpufv_disabled.attr, |
e59f8796 EC |
462 | NULL |
463 | }; | |
464 | ||
465 | static struct attribute_group platform_attribute_group = { | |
466 | .attrs = platform_attributes | |
467 | }; | |
468 | ||
854c7836 | 469 | static int eeepc_platform_init(struct eeepc_laptop *eeepc) |
a195dcdc | 470 | { |
9db106be | 471 | int result; |
a195dcdc | 472 | |
854c7836 AJ |
473 | eeepc->platform_device = platform_device_alloc(EEEPC_LAPTOP_FILE, -1); |
474 | if (!eeepc->platform_device) | |
9db106be | 475 | return -ENOMEM; |
854c7836 | 476 | platform_set_drvdata(eeepc->platform_device, eeepc); |
a195dcdc | 477 | |
854c7836 | 478 | result = platform_device_add(eeepc->platform_device); |
9db106be AJ |
479 | if (result) |
480 | goto fail_platform_device; | |
a195dcdc | 481 | |
854c7836 | 482 | result = sysfs_create_group(&eeepc->platform_device->dev.kobj, |
9db106be AJ |
483 | &platform_attribute_group); |
484 | if (result) | |
485 | goto fail_sysfs; | |
486 | return 0; | |
a195dcdc | 487 | |
9db106be | 488 | fail_sysfs: |
854c7836 | 489 | platform_device_del(eeepc->platform_device); |
9db106be | 490 | fail_platform_device: |
854c7836 | 491 | platform_device_put(eeepc->platform_device); |
9db106be | 492 | return result; |
a195dcdc MG |
493 | } |
494 | ||
854c7836 | 495 | static void eeepc_platform_exit(struct eeepc_laptop *eeepc) |
a195dcdc | 496 | { |
854c7836 | 497 | sysfs_remove_group(&eeepc->platform_device->dev.kobj, |
9db106be | 498 | &platform_attribute_group); |
854c7836 | 499 | platform_device_unregister(eeepc->platform_device); |
9db106be | 500 | } |
a195dcdc | 501 | |
3c0eb510 CC |
502 | /* |
503 | * LEDs | |
504 | */ | |
505 | /* | |
506 | * These functions actually update the LED's, and are called from a | |
507 | * workqueue. By doing this as separate work rather than when the LED | |
508 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
509 | * potentially bad time, such as a timer interrupt. | |
510 | */ | |
854c7836 AJ |
511 | static void tpd_led_update(struct work_struct *work) |
512 | { | |
513 | struct eeepc_laptop *eeepc; | |
a195dcdc | 514 | |
854c7836 | 515 | eeepc = container_of(work, struct eeepc_laptop, tpd_led_work); |
3c0eb510 | 516 | |
854c7836 | 517 | set_acpi(eeepc, CM_ASL_TPD, eeepc->tpd_led_wk); |
a195dcdc MG |
518 | } |
519 | ||
3c0eb510 CC |
520 | static void tpd_led_set(struct led_classdev *led_cdev, |
521 | enum led_brightness value) | |
a195dcdc | 522 | { |
854c7836 | 523 | struct eeepc_laptop *eeepc; |
a195dcdc | 524 | |
854c7836 | 525 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
a195dcdc | 526 | |
854c7836 AJ |
527 | eeepc->tpd_led_wk = (value > 0) ? 1 : 0; |
528 | queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); | |
a195dcdc MG |
529 | } |
530 | ||
854c7836 | 531 | static int eeepc_led_init(struct eeepc_laptop *eeepc) |
dbfa3ba9 | 532 | { |
52bbe3c7 | 533 | int rv; |
dbfa3ba9 | 534 | |
854c7836 | 535 | if (get_acpi(eeepc, CM_ASL_TPD) == -ENODEV) |
52bbe3c7 | 536 | return 0; |
dbfa3ba9 | 537 | |
854c7836 AJ |
538 | eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
539 | if (!eeepc->led_workqueue) | |
52bbe3c7 | 540 | return -ENOMEM; |
854c7836 | 541 | INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); |
dbfa3ba9 | 542 | |
854c7836 AJ |
543 | eeepc->tpd_led.name = "eeepc::touchpad"; |
544 | eeepc->tpd_led.brightness_set = tpd_led_set; | |
545 | eeepc->tpd_led.max_brightness = 1; | |
e59f8796 | 546 | |
854c7836 AJ |
547 | rv = led_classdev_register(&eeepc->platform_device->dev, |
548 | &eeepc->tpd_led); | |
52bbe3c7 | 549 | if (rv) { |
854c7836 | 550 | destroy_workqueue(eeepc->led_workqueue); |
52bbe3c7 | 551 | return rv; |
e59f8796 | 552 | } |
a195dcdc | 553 | |
e59f8796 EC |
554 | return 0; |
555 | } | |
556 | ||
854c7836 | 557 | static void eeepc_led_exit(struct eeepc_laptop *eeepc) |
a5fa429b | 558 | { |
854c7836 AJ |
559 | if (eeepc->tpd_led.dev) |
560 | led_classdev_unregister(&eeepc->tpd_led); | |
561 | if (eeepc->led_workqueue) | |
562 | destroy_workqueue(eeepc->led_workqueue); | |
a5fa429b CC |
563 | } |
564 | ||
2b121bc2 | 565 | |
52bbe3c7 AJ |
566 | /* |
567 | * PCI hotplug (for wlan rfkill) | |
568 | */ | |
854c7836 | 569 | static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) |
52bbe3c7 | 570 | { |
854c7836 | 571 | if (get_acpi(eeepc, CM_ASL_WLAN) == 1) |
52bbe3c7 AJ |
572 | return false; |
573 | return true; | |
2b121bc2 CC |
574 | } |
575 | ||
854c7836 | 576 | static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc) |
5740294c MG |
577 | { |
578 | struct pci_dev *dev; | |
6d41839e | 579 | struct pci_bus *bus; |
854c7836 | 580 | bool blocked = eeepc_wlan_rfkill_blocked(eeepc); |
bc9d24a3 AJ |
581 | bool absent; |
582 | u32 l; | |
5740294c | 583 | |
a7624b63 AJ |
584 | if (eeepc->wlan_rfkill) |
585 | rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); | |
6d41839e | 586 | |
a7624b63 | 587 | mutex_lock(&eeepc->hotplug_lock); |
dcf443b5 | 588 | |
a7624b63 | 589 | if (eeepc->hotplug_slot) { |
07e84aa9 AJ |
590 | bus = pci_find_bus(0, 1); |
591 | if (!bus) { | |
592 | pr_warning("Unable to find PCI bus 1?\n"); | |
dcf443b5 | 593 | goto out_unlock; |
5740294c | 594 | } |
07e84aa9 | 595 | |
bc9d24a3 AJ |
596 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { |
597 | pr_err("Unable to read PCI config space?\n"); | |
598 | goto out_unlock; | |
599 | } | |
600 | absent = (l == 0xffffffff); | |
601 | ||
602 | if (blocked != absent) { | |
603 | pr_warning("BIOS says wireless lan is %s, " | |
604 | "but the pci device is %s\n", | |
605 | blocked ? "blocked" : "unblocked", | |
606 | absent ? "absent" : "present"); | |
607 | pr_warning("skipped wireless hotplug as probably " | |
608 | "inappropriate for this model\n"); | |
609 | goto out_unlock; | |
610 | } | |
611 | ||
07e84aa9 AJ |
612 | if (!blocked) { |
613 | dev = pci_get_slot(bus, 0); | |
614 | if (dev) { | |
615 | /* Device already present */ | |
616 | pci_dev_put(dev); | |
617 | goto out_unlock; | |
618 | } | |
619 | dev = pci_scan_single_device(bus, 0); | |
620 | if (dev) { | |
621 | pci_bus_assign_resources(bus); | |
622 | if (pci_bus_add_device(dev)) | |
623 | pr_err("Unable to hotplug wifi\n"); | |
624 | } | |
625 | } else { | |
626 | dev = pci_get_slot(bus, 0); | |
627 | if (dev) { | |
628 | pci_remove_bus_device(dev); | |
629 | pci_dev_put(dev); | |
630 | } | |
5740294c MG |
631 | } |
632 | } | |
dcf443b5 AJ |
633 | |
634 | out_unlock: | |
a7624b63 | 635 | mutex_unlock(&eeepc->hotplug_lock); |
5740294c MG |
636 | } |
637 | ||
96e9cfeb AJ |
638 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
639 | { | |
854c7836 AJ |
640 | struct eeepc_laptop *eeepc = data; |
641 | ||
96e9cfeb AJ |
642 | if (event != ACPI_NOTIFY_BUS_CHECK) |
643 | return; | |
644 | ||
854c7836 | 645 | eeepc_rfkill_hotplug(eeepc); |
e59f8796 EC |
646 | } |
647 | ||
854c7836 AJ |
648 | static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, |
649 | char *node) | |
5740294c | 650 | { |
854c7836 | 651 | acpi_status status; |
5740294c MG |
652 | acpi_handle handle; |
653 | ||
654 | status = acpi_get_handle(NULL, node, &handle); | |
655 | ||
656 | if (ACPI_SUCCESS(status)) { | |
657 | status = acpi_install_notify_handler(handle, | |
658 | ACPI_SYSTEM_NOTIFY, | |
659 | eeepc_rfkill_notify, | |
854c7836 | 660 | eeepc); |
5740294c | 661 | if (ACPI_FAILURE(status)) |
19b53289 | 662 | pr_warning("Failed to register notify on %s\n", node); |
5740294c MG |
663 | } else |
664 | return -ENODEV; | |
665 | ||
666 | return 0; | |
667 | } | |
668 | ||
854c7836 AJ |
669 | static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, |
670 | char *node) | |
5740294c MG |
671 | { |
672 | acpi_status status = AE_OK; | |
673 | acpi_handle handle; | |
674 | ||
675 | status = acpi_get_handle(NULL, node, &handle); | |
676 | ||
677 | if (ACPI_SUCCESS(status)) { | |
678 | status = acpi_remove_notify_handler(handle, | |
679 | ACPI_SYSTEM_NOTIFY, | |
680 | eeepc_rfkill_notify); | |
681 | if (ACPI_FAILURE(status)) | |
19b53289 | 682 | pr_err("Error removing rfkill notify handler %s\n", |
5740294c MG |
683 | node); |
684 | } | |
685 | } | |
686 | ||
52bbe3c7 AJ |
687 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
688 | u8 *value) | |
689 | { | |
854c7836 AJ |
690 | struct eeepc_laptop *eeepc = hotplug_slot->private; |
691 | int val = get_acpi(eeepc, CM_ASL_WLAN); | |
52bbe3c7 AJ |
692 | |
693 | if (val == 1 || val == 0) | |
694 | *value = val; | |
695 | else | |
696 | return -EINVAL; | |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
2b121bc2 CC |
701 | static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
702 | { | |
703 | kfree(hotplug_slot->info); | |
704 | kfree(hotplug_slot); | |
705 | } | |
706 | ||
52bbe3c7 AJ |
707 | static struct hotplug_slot_ops eeepc_hotplug_slot_ops = { |
708 | .owner = THIS_MODULE, | |
709 | .get_adapter_status = eeepc_get_adapter_status, | |
710 | .get_power_status = eeepc_get_adapter_status, | |
711 | }; | |
712 | ||
854c7836 | 713 | static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc) |
2b121bc2 CC |
714 | { |
715 | int ret = -ENOMEM; | |
716 | struct pci_bus *bus = pci_find_bus(0, 1); | |
717 | ||
718 | if (!bus) { | |
19b53289 | 719 | pr_err("Unable to find wifi PCI bus\n"); |
2b121bc2 CC |
720 | return -ENODEV; |
721 | } | |
722 | ||
a7624b63 AJ |
723 | eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
724 | if (!eeepc->hotplug_slot) | |
2b121bc2 CC |
725 | goto error_slot; |
726 | ||
a7624b63 | 727 | eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
2b121bc2 | 728 | GFP_KERNEL); |
a7624b63 | 729 | if (!eeepc->hotplug_slot->info) |
2b121bc2 CC |
730 | goto error_info; |
731 | ||
a7624b63 AJ |
732 | eeepc->hotplug_slot->private = eeepc; |
733 | eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug; | |
734 | eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops; | |
735 | eeepc_get_adapter_status(eeepc->hotplug_slot, | |
736 | &eeepc->hotplug_slot->info->adapter_status); | |
2b121bc2 | 737 | |
a7624b63 | 738 | ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi"); |
2b121bc2 | 739 | if (ret) { |
19b53289 | 740 | pr_err("Unable to register hotplug slot - %d\n", ret); |
2b121bc2 CC |
741 | goto error_register; |
742 | } | |
743 | ||
744 | return 0; | |
745 | ||
746 | error_register: | |
a7624b63 | 747 | kfree(eeepc->hotplug_slot->info); |
2b121bc2 | 748 | error_info: |
a7624b63 AJ |
749 | kfree(eeepc->hotplug_slot); |
750 | eeepc->hotplug_slot = NULL; | |
2b121bc2 CC |
751 | error_slot: |
752 | return ret; | |
753 | } | |
754 | ||
52bbe3c7 AJ |
755 | /* |
756 | * Rfkill devices | |
757 | */ | |
758 | static int eeepc_rfkill_set(void *data, bool blocked) | |
96e9cfeb | 759 | { |
854c7836 | 760 | acpi_handle handle = data; |
c200da5d | 761 | |
854c7836 | 762 | return write_acpi_int(handle, NULL, !blocked); |
c200da5d | 763 | } |
96e9cfeb | 764 | |
52bbe3c7 AJ |
765 | static const struct rfkill_ops eeepc_rfkill_ops = { |
766 | .set_block = eeepc_rfkill_set, | |
767 | }; | |
768 | ||
854c7836 AJ |
769 | static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, |
770 | struct rfkill **rfkill, | |
771 | const char *name, | |
52bbe3c7 AJ |
772 | enum rfkill_type type, int cm) |
773 | { | |
854c7836 | 774 | acpi_handle handle; |
52bbe3c7 AJ |
775 | int result; |
776 | ||
854c7836 | 777 | result = acpi_setter_handle(eeepc, cm, &handle); |
52bbe3c7 AJ |
778 | if (result < 0) |
779 | return result; | |
780 | ||
854c7836 AJ |
781 | *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, |
782 | &eeepc_rfkill_ops, handle); | |
96e9cfeb | 783 | |
52bbe3c7 AJ |
784 | if (!*rfkill) |
785 | return -EINVAL; | |
786 | ||
854c7836 | 787 | rfkill_init_sw_state(*rfkill, get_acpi(eeepc, cm) != 1); |
52bbe3c7 AJ |
788 | result = rfkill_register(*rfkill); |
789 | if (result) { | |
790 | rfkill_destroy(*rfkill); | |
791 | *rfkill = NULL; | |
792 | return result; | |
793 | } | |
96e9cfeb AJ |
794 | return 0; |
795 | } | |
796 | ||
854c7836 | 797 | static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) |
52bbe3c7 | 798 | { |
854c7836 AJ |
799 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
800 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); | |
801 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); | |
a7624b63 AJ |
802 | if (eeepc->wlan_rfkill) { |
803 | rfkill_unregister(eeepc->wlan_rfkill); | |
804 | rfkill_destroy(eeepc->wlan_rfkill); | |
805 | eeepc->wlan_rfkill = NULL; | |
52bbe3c7 AJ |
806 | } |
807 | /* | |
808 | * Refresh pci hotplug in case the rfkill state was changed after | |
809 | * eeepc_unregister_rfkill_notifier() | |
810 | */ | |
854c7836 | 811 | eeepc_rfkill_hotplug(eeepc); |
a7624b63 AJ |
812 | if (eeepc->hotplug_slot) |
813 | pci_hp_deregister(eeepc->hotplug_slot); | |
52bbe3c7 | 814 | |
a7624b63 AJ |
815 | if (eeepc->bluetooth_rfkill) { |
816 | rfkill_unregister(eeepc->bluetooth_rfkill); | |
817 | rfkill_destroy(eeepc->bluetooth_rfkill); | |
818 | eeepc->bluetooth_rfkill = NULL; | |
52bbe3c7 | 819 | } |
a7624b63 AJ |
820 | if (eeepc->wwan3g_rfkill) { |
821 | rfkill_unregister(eeepc->wwan3g_rfkill); | |
822 | rfkill_destroy(eeepc->wwan3g_rfkill); | |
823 | eeepc->wwan3g_rfkill = NULL; | |
52bbe3c7 | 824 | } |
a7624b63 AJ |
825 | if (eeepc->wimax_rfkill) { |
826 | rfkill_unregister(eeepc->wimax_rfkill); | |
827 | rfkill_destroy(eeepc->wimax_rfkill); | |
828 | eeepc->wimax_rfkill = NULL; | |
52bbe3c7 AJ |
829 | } |
830 | } | |
831 | ||
854c7836 | 832 | static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
833 | { |
834 | int result = 0; | |
835 | ||
a7624b63 | 836 | mutex_init(&eeepc->hotplug_lock); |
52bbe3c7 | 837 | |
854c7836 AJ |
838 | result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, |
839 | "eeepc-wlan", RFKILL_TYPE_WLAN, | |
840 | CM_ASL_WLAN); | |
52bbe3c7 AJ |
841 | |
842 | if (result && result != -ENODEV) | |
843 | goto exit; | |
844 | ||
854c7836 AJ |
845 | result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, |
846 | "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, | |
847 | CM_ASL_BLUETOOTH); | |
52bbe3c7 AJ |
848 | |
849 | if (result && result != -ENODEV) | |
850 | goto exit; | |
851 | ||
854c7836 AJ |
852 | result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, |
853 | "eeepc-wwan3g", RFKILL_TYPE_WWAN, | |
854 | CM_ASL_3G); | |
52bbe3c7 AJ |
855 | |
856 | if (result && result != -ENODEV) | |
857 | goto exit; | |
858 | ||
854c7836 AJ |
859 | result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill, |
860 | "eeepc-wimax", RFKILL_TYPE_WIMAX, | |
861 | CM_ASL_WIMAX); | |
52bbe3c7 AJ |
862 | |
863 | if (result && result != -ENODEV) | |
864 | goto exit; | |
865 | ||
10ae4b56 CC |
866 | if (eeepc->hotplug_disabled) |
867 | return 0; | |
868 | ||
854c7836 | 869 | result = eeepc_setup_pci_hotplug(eeepc); |
52bbe3c7 AJ |
870 | /* |
871 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
872 | * don't fail in this case | |
873 | */ | |
874 | if (result == -EBUSY) | |
875 | result = 0; | |
876 | ||
854c7836 AJ |
877 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
878 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); | |
879 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); | |
52bbe3c7 AJ |
880 | /* |
881 | * Refresh pci hotplug in case the rfkill state was changed during | |
882 | * setup. | |
883 | */ | |
854c7836 | 884 | eeepc_rfkill_hotplug(eeepc); |
52bbe3c7 AJ |
885 | |
886 | exit: | |
887 | if (result && result != -ENODEV) | |
854c7836 | 888 | eeepc_rfkill_exit(eeepc); |
52bbe3c7 AJ |
889 | return result; |
890 | } | |
891 | ||
e1faa9da | 892 | /* |
52bbe3c7 | 893 | * Platform driver - hibernate/resume callbacks |
e1faa9da | 894 | */ |
854c7836 | 895 | static int eeepc_hotk_thaw(struct device *device) |
96e9cfeb | 896 | { |
854c7836 AJ |
897 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
898 | ||
a7624b63 | 899 | if (eeepc->wlan_rfkill) { |
96e9cfeb AJ |
900 | bool wlan; |
901 | ||
c1edd99f AJ |
902 | /* |
903 | * Work around bios bug - acpi _PTS turns off the wireless led | |
904 | * during suspend. Normally it restores it on resume, but | |
c200da5d | 905 | * we should kick it ourselves in case hibernation is aborted. |
96e9cfeb | 906 | */ |
854c7836 AJ |
907 | wlan = get_acpi(eeepc, CM_ASL_WLAN); |
908 | set_acpi(eeepc, CM_ASL_WLAN, wlan); | |
c200da5d AJ |
909 | } |
910 | ||
911 | return 0; | |
912 | } | |
96e9cfeb | 913 | |
854c7836 | 914 | static int eeepc_hotk_restore(struct device *device) |
c200da5d | 915 | { |
854c7836 AJ |
916 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
917 | ||
c200da5d | 918 | /* Refresh both wlan rfkill state and pci hotplug */ |
a7624b63 | 919 | if (eeepc->wlan_rfkill) |
854c7836 | 920 | eeepc_rfkill_hotplug(eeepc); |
96e9cfeb | 921 | |
a7624b63 AJ |
922 | if (eeepc->bluetooth_rfkill) |
923 | rfkill_set_sw_state(eeepc->bluetooth_rfkill, | |
854c7836 | 924 | get_acpi(eeepc, CM_ASL_BLUETOOTH) != 1); |
a7624b63 AJ |
925 | if (eeepc->wwan3g_rfkill) |
926 | rfkill_set_sw_state(eeepc->wwan3g_rfkill, | |
854c7836 | 927 | get_acpi(eeepc, CM_ASL_3G) != 1); |
a7624b63 AJ |
928 | if (eeepc->wimax_rfkill) |
929 | rfkill_set_sw_state(eeepc->wimax_rfkill, | |
854c7836 | 930 | get_acpi(eeepc, CM_ASL_WIMAX) != 1); |
96e9cfeb AJ |
931 | |
932 | return 0; | |
933 | } | |
934 | ||
9a3bff23 | 935 | static const struct dev_pm_ops eeepc_pm_ops = { |
854c7836 AJ |
936 | .thaw = eeepc_hotk_thaw, |
937 | .restore = eeepc_hotk_restore, | |
52bbe3c7 AJ |
938 | }; |
939 | ||
940 | static struct platform_driver platform_driver = { | |
941 | .driver = { | |
a7624b63 | 942 | .name = EEEPC_LAPTOP_FILE, |
52bbe3c7 AJ |
943 | .owner = THIS_MODULE, |
944 | .pm = &eeepc_pm_ops, | |
945 | } | |
946 | }; | |
947 | ||
e1faa9da | 948 | /* |
52bbe3c7 | 949 | * Hwmon device |
e1faa9da | 950 | */ |
52bbe3c7 AJ |
951 | |
952 | #define EEEPC_EC_SC00 0x61 | |
953 | #define EEEPC_EC_FAN_PWM (EEEPC_EC_SC00 + 2) /* Fan PWM duty cycle (%) */ | |
954 | #define EEEPC_EC_FAN_HRPM (EEEPC_EC_SC00 + 5) /* High byte, fan speed (RPM) */ | |
955 | #define EEEPC_EC_FAN_LRPM (EEEPC_EC_SC00 + 6) /* Low byte, fan speed (RPM) */ | |
956 | ||
957 | #define EEEPC_EC_SFB0 0xD0 | |
958 | #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ | |
959 | ||
e1faa9da CC |
960 | static int eeepc_get_fan_pwm(void) |
961 | { | |
463b4e47 | 962 | u8 value = 0; |
e1faa9da | 963 | |
463b4e47 AJ |
964 | ec_read(EEEPC_EC_FAN_PWM, &value); |
965 | return value * 255 / 100; | |
e1faa9da CC |
966 | } |
967 | ||
968 | static void eeepc_set_fan_pwm(int value) | |
969 | { | |
04dcd84b CC |
970 | value = SENSORS_LIMIT(value, 0, 255); |
971 | value = value * 100 / 255; | |
463b4e47 | 972 | ec_write(EEEPC_EC_FAN_PWM, value); |
e1faa9da CC |
973 | } |
974 | ||
975 | static int eeepc_get_fan_rpm(void) | |
976 | { | |
463b4e47 AJ |
977 | u8 high = 0; |
978 | u8 low = 0; | |
e1faa9da | 979 | |
463b4e47 AJ |
980 | ec_read(EEEPC_EC_FAN_HRPM, &high); |
981 | ec_read(EEEPC_EC_FAN_LRPM, &low); | |
982 | return high << 8 | low; | |
e1faa9da CC |
983 | } |
984 | ||
985 | static int eeepc_get_fan_ctrl(void) | |
986 | { | |
463b4e47 | 987 | u8 value = 0; |
e1faa9da | 988 | |
463b4e47 | 989 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
48718688 AJ |
990 | if (value & 0x02) |
991 | return 1; /* manual */ | |
992 | else | |
993 | return 2; /* automatic */ | |
e1faa9da CC |
994 | } |
995 | ||
996 | static void eeepc_set_fan_ctrl(int manual) | |
997 | { | |
463b4e47 | 998 | u8 value = 0; |
e1faa9da | 999 | |
463b4e47 | 1000 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
48718688 | 1001 | if (manual == 1) |
e1faa9da CC |
1002 | value |= 0x02; |
1003 | else | |
1004 | value &= ~0x02; | |
463b4e47 | 1005 | ec_write(EEEPC_EC_FAN_CTRL, value); |
e1faa9da CC |
1006 | } |
1007 | ||
1008 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) | |
1009 | { | |
1010 | int rv, value; | |
1011 | ||
1012 | rv = parse_arg(buf, count, &value); | |
1013 | if (rv > 0) | |
1014 | set(value); | |
1015 | return rv; | |
1016 | } | |
1017 | ||
1018 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) | |
1019 | { | |
1020 | return sprintf(buf, "%d\n", get()); | |
1021 | } | |
1022 | ||
1023 | #define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ | |
1024 | static ssize_t show_##_name(struct device *dev, \ | |
1025 | struct device_attribute *attr, \ | |
1026 | char *buf) \ | |
1027 | { \ | |
1028 | return show_sys_hwmon(_set, buf); \ | |
1029 | } \ | |
1030 | static ssize_t store_##_name(struct device *dev, \ | |
1031 | struct device_attribute *attr, \ | |
1032 | const char *buf, size_t count) \ | |
1033 | { \ | |
1034 | return store_sys_hwmon(_get, buf, count); \ | |
1035 | } \ | |
1036 | static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); | |
1037 | ||
1038 | EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); | |
04dcd84b | 1039 | EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, |
e1faa9da CC |
1040 | eeepc_get_fan_pwm, eeepc_set_fan_pwm); |
1041 | EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, | |
1042 | eeepc_get_fan_ctrl, eeepc_set_fan_ctrl); | |
1043 | ||
04dcd84b CC |
1044 | static ssize_t |
1045 | show_name(struct device *dev, struct device_attribute *attr, char *buf) | |
1046 | { | |
1047 | return sprintf(buf, "eeepc\n"); | |
1048 | } | |
1049 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); | |
1050 | ||
e1faa9da | 1051 | static struct attribute *hwmon_attributes[] = { |
04dcd84b | 1052 | &sensor_dev_attr_pwm1.dev_attr.attr, |
e1faa9da CC |
1053 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1054 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
04dcd84b | 1055 | &sensor_dev_attr_name.dev_attr.attr, |
e1faa9da CC |
1056 | NULL |
1057 | }; | |
1058 | ||
1059 | static struct attribute_group hwmon_attribute_group = { | |
1060 | .attrs = hwmon_attributes | |
1061 | }; | |
1062 | ||
854c7836 | 1063 | static void eeepc_hwmon_exit(struct eeepc_laptop *eeepc) |
a5fa429b | 1064 | { |
e1faa9da CC |
1065 | struct device *hwmon; |
1066 | ||
854c7836 | 1067 | hwmon = eeepc->hwmon_device; |
e1faa9da | 1068 | if (!hwmon) |
854c7836 | 1069 | return; |
e1faa9da CC |
1070 | sysfs_remove_group(&hwmon->kobj, |
1071 | &hwmon_attribute_group); | |
f1441318 | 1072 | hwmon_device_unregister(hwmon); |
854c7836 | 1073 | eeepc->hwmon_device = NULL; |
a9df80c5 CC |
1074 | } |
1075 | ||
854c7836 | 1076 | static int eeepc_hwmon_init(struct eeepc_laptop *eeepc) |
a9df80c5 | 1077 | { |
52bbe3c7 | 1078 | struct device *hwmon; |
7de39389 CC |
1079 | int result; |
1080 | ||
854c7836 | 1081 | hwmon = hwmon_device_register(&eeepc->platform_device->dev); |
52bbe3c7 AJ |
1082 | if (IS_ERR(hwmon)) { |
1083 | pr_err("Could not register eeepc hwmon device\n"); | |
854c7836 | 1084 | eeepc->hwmon_device = NULL; |
52bbe3c7 | 1085 | return PTR_ERR(hwmon); |
a8258069 | 1086 | } |
854c7836 | 1087 | eeepc->hwmon_device = hwmon; |
52bbe3c7 AJ |
1088 | result = sysfs_create_group(&hwmon->kobj, |
1089 | &hwmon_attribute_group); | |
1090 | if (result) | |
854c7836 | 1091 | eeepc_hwmon_exit(eeepc); |
52bbe3c7 | 1092 | return result; |
a9df80c5 CC |
1093 | } |
1094 | ||
52bbe3c7 AJ |
1095 | /* |
1096 | * Backlight device | |
1097 | */ | |
1098 | static int read_brightness(struct backlight_device *bd) | |
a9df80c5 | 1099 | { |
854c7836 AJ |
1100 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
1101 | ||
1102 | return get_acpi(eeepc, CM_ASL_PANELBRIGHT); | |
a5fa429b CC |
1103 | } |
1104 | ||
52bbe3c7 | 1105 | static int set_brightness(struct backlight_device *bd, int value) |
e1faa9da | 1106 | { |
854c7836 | 1107 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
e1faa9da | 1108 | |
854c7836 | 1109 | return set_acpi(eeepc, CM_ASL_PANELBRIGHT, value); |
e1faa9da CC |
1110 | } |
1111 | ||
52bbe3c7 | 1112 | static int update_bl_status(struct backlight_device *bd) |
7de39389 | 1113 | { |
52bbe3c7 AJ |
1114 | return set_brightness(bd, bd->props.brightness); |
1115 | } | |
7de39389 | 1116 | |
52bbe3c7 AJ |
1117 | static struct backlight_ops eeepcbl_ops = { |
1118 | .get_brightness = read_brightness, | |
1119 | .update_status = update_bl_status, | |
1120 | }; | |
7de39389 | 1121 | |
854c7836 | 1122 | static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1123 | { |
854c7836 | 1124 | struct backlight_device *bd = eeepc->backlight_device; |
52bbe3c7 | 1125 | int old = bd->props.brightness; |
7de39389 | 1126 | |
52bbe3c7 | 1127 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); |
7de39389 | 1128 | |
52bbe3c7 | 1129 | return old; |
7de39389 CC |
1130 | } |
1131 | ||
854c7836 | 1132 | static int eeepc_backlight_init(struct eeepc_laptop *eeepc) |
7de39389 | 1133 | { |
a19a6ee6 | 1134 | struct backlight_properties props; |
a5fa429b | 1135 | struct backlight_device *bd; |
7334546a | 1136 | |
a19a6ee6 MG |
1137 | memset(&props, 0, sizeof(struct backlight_properties)); |
1138 | props.max_brightness = 15; | |
854c7836 | 1139 | bd = backlight_device_register(EEEPC_LAPTOP_FILE, |
a19a6ee6 MG |
1140 | &eeepc->platform_device->dev, eeepc, |
1141 | &eeepcbl_ops, &props); | |
a5fa429b | 1142 | if (IS_ERR(bd)) { |
19b53289 | 1143 | pr_err("Could not register eeepc backlight device\n"); |
854c7836 | 1144 | eeepc->backlight_device = NULL; |
a5fa429b CC |
1145 | return PTR_ERR(bd); |
1146 | } | |
854c7836 | 1147 | eeepc->backlight_device = bd; |
854c7836 | 1148 | bd->props.brightness = read_brightness(bd); |
a5fa429b CC |
1149 | bd->props.power = FB_BLANK_UNBLANK; |
1150 | backlight_update_status(bd); | |
1151 | return 0; | |
1152 | } | |
7de39389 | 1153 | |
854c7836 | 1154 | static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) |
e1faa9da | 1155 | { |
854c7836 AJ |
1156 | if (eeepc->backlight_device) |
1157 | backlight_device_unregister(eeepc->backlight_device); | |
1158 | eeepc->backlight_device = NULL; | |
52bbe3c7 | 1159 | } |
7de39389 | 1160 | |
7de39389 | 1161 | |
52bbe3c7 AJ |
1162 | /* |
1163 | * Input device (i.e. hotkeys) | |
1164 | */ | |
642e0447 | 1165 | static int eeepc_input_init(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1166 | { |
642e0447 DT |
1167 | struct input_dev *input; |
1168 | int error; | |
3cd530b5 | 1169 | |
642e0447 DT |
1170 | input = input_allocate_device(); |
1171 | if (!input) { | |
1172 | pr_info("Unable to allocate input device\n"); | |
1173 | return -ENOMEM; | |
e1faa9da | 1174 | } |
07e84aa9 | 1175 | |
642e0447 DT |
1176 | input->name = "Asus EeePC extra buttons"; |
1177 | input->phys = EEEPC_LAPTOP_FILE "/input0"; | |
1178 | input->id.bustype = BUS_HOST; | |
1179 | input->dev.parent = &eeepc->platform_device->dev; | |
7de39389 | 1180 | |
642e0447 DT |
1181 | error = sparse_keymap_setup(input, eeepc_keymap, NULL); |
1182 | if (error) { | |
1183 | pr_err("Unable to setup input device keymap\n"); | |
1184 | goto err_free_dev; | |
a5fa429b | 1185 | } |
52bbe3c7 | 1186 | |
642e0447 DT |
1187 | error = input_register_device(input); |
1188 | if (error) { | |
1189 | pr_err("Unable to register input device\n"); | |
1190 | goto err_free_keymap; | |
e1faa9da | 1191 | } |
52bbe3c7 | 1192 | |
642e0447 | 1193 | eeepc->inputdev = input; |
f2a9d5e8 | 1194 | return 0; |
642e0447 DT |
1195 | |
1196 | err_free_keymap: | |
1197 | sparse_keymap_free(input); | |
1198 | err_free_dev: | |
1199 | input_free_device(input); | |
1200 | return error; | |
f2a9d5e8 AJ |
1201 | } |
1202 | ||
854c7836 | 1203 | static void eeepc_input_exit(struct eeepc_laptop *eeepc) |
e59f8796 | 1204 | { |
854c7836 | 1205 | if (eeepc->inputdev) { |
c9db3efe | 1206 | sparse_keymap_free(eeepc->inputdev); |
a7624b63 | 1207 | input_unregister_device(eeepc->inputdev); |
854c7836 | 1208 | } |
52bbe3c7 | 1209 | } |
3c0eb510 | 1210 | |
52bbe3c7 AJ |
1211 | /* |
1212 | * ACPI driver | |
1213 | */ | |
a7624b63 | 1214 | static void eeepc_acpi_notify(struct acpi_device *device, u32 event) |
52bbe3c7 | 1215 | { |
854c7836 | 1216 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
52bbe3c7 | 1217 | u16 count; |
3c0eb510 | 1218 | |
52bbe3c7 AJ |
1219 | if (event > ACPI_MAX_SYS_NOTIFY) |
1220 | return; | |
a7624b63 | 1221 | count = eeepc->event_count[event % 128]++; |
854c7836 AJ |
1222 | acpi_bus_generate_proc_event(device, event, count); |
1223 | acpi_bus_generate_netlink_event(device->pnp.device_class, | |
1224 | dev_name(&device->dev), event, | |
52bbe3c7 | 1225 | count); |
3c0eb510 | 1226 | |
325fb8e9 | 1227 | /* Brightness events are special */ |
52bbe3c7 | 1228 | if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) { |
52bbe3c7 | 1229 | |
325fb8e9 AJ |
1230 | /* Ignore them completely if the acpi video driver is used */ |
1231 | if (eeepc->backlight_device != NULL) { | |
1232 | int old_brightness, new_brightness; | |
1233 | ||
1234 | /* Update the backlight device. */ | |
1235 | old_brightness = eeepc_backlight_notify(eeepc); | |
1236 | ||
1237 | /* Convert event to keypress (obsolescent hack) */ | |
1238 | new_brightness = event - NOTIFY_BRN_MIN; | |
1239 | ||
1240 | if (new_brightness < old_brightness) { | |
1241 | event = NOTIFY_BRN_MIN; /* brightness down */ | |
1242 | } else if (new_brightness > old_brightness) { | |
1243 | event = NOTIFY_BRN_MAX; /* brightness up */ | |
1244 | } else { | |
1245 | /* | |
1246 | * no change in brightness - already at min/max, | |
1247 | * event will be desired value (or else ignored) | |
1248 | */ | |
1249 | } | |
642e0447 DT |
1250 | sparse_keymap_report_event(eeepc->inputdev, event, |
1251 | 1, true); | |
52bbe3c7 | 1252 | } |
325fb8e9 AJ |
1253 | } else { |
1254 | /* Everything else is a bona-fide keypress event */ | |
642e0447 | 1255 | sparse_keymap_report_event(eeepc->inputdev, event, 1, true); |
52bbe3c7 | 1256 | } |
52bbe3c7 AJ |
1257 | } |
1258 | ||
da8ba01d AJ |
1259 | static void eeepc_dmi_check(struct eeepc_laptop *eeepc) |
1260 | { | |
1261 | const char *model; | |
1262 | ||
10ae4b56 CC |
1263 | model = dmi_get_system_info(DMI_PRODUCT_NAME); |
1264 | if (!model) | |
1265 | return; | |
1266 | ||
da8ba01d AJ |
1267 | /* |
1268 | * Blacklist for setting cpufv (cpu speed). | |
1269 | * | |
1270 | * EeePC 4G ("701") implements CFVS, but it is not supported | |
1271 | * by the pre-installed OS, and the original option to change it | |
1272 | * in the BIOS setup screen was removed in later versions. | |
1273 | * | |
1274 | * Judging by the lack of "Super Hybrid Engine" on Asus product pages, | |
1275 | * this applies to all "701" models (4G/4G Surf/2G Surf). | |
1276 | * | |
1277 | * So Asus made a deliberate decision not to support it on this model. | |
1278 | * We have several reports that using it can cause the system to hang | |
1279 | * | |
1280 | * The hang has also been reported on a "702" (Model name "8G"?). | |
1281 | * | |
1282 | * We avoid dmi_check_system() / dmi_match(), because they use | |
1283 | * substring matching. We don't want to affect the "701SD" | |
1284 | * and "701SDX" models, because they do support S.H.E. | |
1285 | */ | |
da8ba01d AJ |
1286 | if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { |
1287 | eeepc->cpufv_disabled = true; | |
1288 | pr_info("model %s does not officially support setting cpu " | |
1289 | "speed\n", model); | |
1290 | pr_info("cpufv disabled to avoid instability\n"); | |
1291 | } | |
10ae4b56 CC |
1292 | |
1293 | /* | |
1294 | * Blacklist for wlan hotplug | |
1295 | * | |
1296 | * Eeepc 1005HA doesn't work like others models and don't need the | |
1297 | * hotplug code. In fact, current hotplug code seems to unplug another | |
1298 | * device... | |
1299 | */ | |
ced69c59 AJ |
1300 | if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 || |
1301 | strcmp(model, "1005PE") == 0) { | |
10ae4b56 CC |
1302 | eeepc->hotplug_disabled = true; |
1303 | pr_info("wlan hotplug disabled\n"); | |
1304 | } | |
da8ba01d AJ |
1305 | } |
1306 | ||
854c7836 | 1307 | static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) |
52bbe3c7 AJ |
1308 | { |
1309 | int dummy; | |
1310 | ||
1311 | /* Some BIOSes do not report cm although it is avaliable. | |
1312 | Check if cm_getv[cm] works and, if yes, assume cm should be set. */ | |
a7624b63 AJ |
1313 | if (!(eeepc->cm_supported & (1 << cm)) |
1314 | && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { | |
52bbe3c7 AJ |
1315 | pr_info("%s (%x) not reported by BIOS," |
1316 | " enabling anyway\n", name, 1 << cm); | |
a7624b63 | 1317 | eeepc->cm_supported |= 1 << cm; |
52bbe3c7 AJ |
1318 | } |
1319 | } | |
1320 | ||
854c7836 | 1321 | static void cmsg_quirks(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1322 | { |
854c7836 AJ |
1323 | cmsg_quirk(eeepc, CM_ASL_LID, "LID"); |
1324 | cmsg_quirk(eeepc, CM_ASL_TYPE, "TYPE"); | |
1325 | cmsg_quirk(eeepc, CM_ASL_PANELPOWER, "PANELPOWER"); | |
1326 | cmsg_quirk(eeepc, CM_ASL_TPD, "TPD"); | |
52bbe3c7 AJ |
1327 | } |
1328 | ||
f90be874 CC |
1329 | static int eeepc_acpi_init(struct eeepc_laptop *eeepc, |
1330 | struct acpi_device *device) | |
52bbe3c7 AJ |
1331 | { |
1332 | unsigned int init_flags; | |
e59f8796 EC |
1333 | int result; |
1334 | ||
854c7836 | 1335 | result = acpi_bus_get_status(device); |
1e779854 | 1336 | if (result) |
52bbe3c7 | 1337 | return result; |
854c7836 | 1338 | if (!device->status.present) { |
52bbe3c7 AJ |
1339 | pr_err("Hotkey device not present, aborting\n"); |
1340 | return -ENODEV; | |
1341 | } | |
cede2cb6 | 1342 | |
52bbe3c7 AJ |
1343 | init_flags = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; |
1344 | pr_notice("Hotkey init flags 0x%x\n", init_flags); | |
1345 | ||
a7624b63 | 1346 | if (write_acpi_int(eeepc->handle, "INIT", init_flags)) { |
52bbe3c7 AJ |
1347 | pr_err("Hotkey initialization failed\n"); |
1348 | return -ENODEV; | |
e59f8796 | 1349 | } |
52bbe3c7 AJ |
1350 | |
1351 | /* get control methods supported */ | |
a7624b63 | 1352 | if (read_acpi_int(eeepc->handle, "CMSG", &eeepc->cm_supported)) { |
52bbe3c7 AJ |
1353 | pr_err("Get control methods supported failed\n"); |
1354 | return -ENODEV; | |
dc56ad9b | 1355 | } |
854c7836 | 1356 | cmsg_quirks(eeepc); |
a7624b63 | 1357 | pr_info("Get control methods supported: 0x%x\n", eeepc->cm_supported); |
2b56f1c1 | 1358 | |
3c0eb510 CC |
1359 | return 0; |
1360 | } | |
1361 | ||
854c7836 | 1362 | static void __devinit eeepc_enable_camera(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
1363 | { |
1364 | /* | |
1365 | * If the following call to set_acpi() fails, it's because there's no | |
1366 | * camera so we can ignore the error. | |
1367 | */ | |
854c7836 AJ |
1368 | if (get_acpi(eeepc, CM_ASL_CAMERA) == 0) |
1369 | set_acpi(eeepc, CM_ASL_CAMERA, 1); | |
52bbe3c7 AJ |
1370 | } |
1371 | ||
854c7836 AJ |
1372 | static bool eeepc_device_present; |
1373 | ||
a7624b63 | 1374 | static int __devinit eeepc_acpi_add(struct acpi_device *device) |
e59f8796 | 1375 | { |
854c7836 | 1376 | struct eeepc_laptop *eeepc; |
e59f8796 EC |
1377 | int result; |
1378 | ||
a7624b63 AJ |
1379 | pr_notice(EEEPC_LAPTOP_NAME "\n"); |
1380 | eeepc = kzalloc(sizeof(struct eeepc_laptop), GFP_KERNEL); | |
1381 | if (!eeepc) | |
1e779854 | 1382 | return -ENOMEM; |
a7624b63 AJ |
1383 | eeepc->handle = device->handle; |
1384 | strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME); | |
1385 | strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); | |
1386 | device->driver_data = eeepc; | |
cede2cb6 | 1387 | |
322a1356 CC |
1388 | eeepc->hotplug_disabled = hotplug_disabled; |
1389 | ||
da8ba01d AJ |
1390 | eeepc_dmi_check(eeepc); |
1391 | ||
854c7836 | 1392 | result = eeepc_acpi_init(eeepc, device); |
e59f8796 | 1393 | if (result) |
9db106be | 1394 | goto fail_platform; |
854c7836 | 1395 | eeepc_enable_camera(eeepc); |
7de39389 | 1396 | |
854c7836 AJ |
1397 | /* |
1398 | * Register the platform device first. It is used as a parent for the | |
1399 | * sub-devices below. | |
1400 | * | |
1401 | * Note that if there are multiple instances of this ACPI device it | |
1402 | * will bail out, because the platform device is registered with a | |
1403 | * fixed name. Of course it doesn't make sense to have more than one, | |
1404 | * and machine-specific scripts find the fixed name convenient. But | |
1405 | * It's also good for us to exclude multiple instances because both | |
1406 | * our hwmon and our wlan rfkill subdevice use global ACPI objects | |
1407 | * (the EC and the wlan PCI slot respectively). | |
1408 | */ | |
1409 | result = eeepc_platform_init(eeepc); | |
e59f8796 | 1410 | if (result) |
9db106be | 1411 | goto fail_platform; |
1ddec2f9 CC |
1412 | |
1413 | if (!acpi_video_backlight_support()) { | |
854c7836 | 1414 | result = eeepc_backlight_init(eeepc); |
1ddec2f9 CC |
1415 | if (result) |
1416 | goto fail_backlight; | |
1417 | } else | |
9db106be | 1418 | pr_info("Backlight controlled by ACPI video driver\n"); |
1ddec2f9 | 1419 | |
854c7836 | 1420 | result = eeepc_input_init(eeepc); |
f2a9d5e8 AJ |
1421 | if (result) |
1422 | goto fail_input; | |
1423 | ||
854c7836 | 1424 | result = eeepc_hwmon_init(eeepc); |
1ddec2f9 CC |
1425 | if (result) |
1426 | goto fail_hwmon; | |
1427 | ||
854c7836 | 1428 | result = eeepc_led_init(eeepc); |
3c0eb510 CC |
1429 | if (result) |
1430 | goto fail_led; | |
1431 | ||
854c7836 | 1432 | result = eeepc_rfkill_init(eeepc); |
7de39389 CC |
1433 | if (result) |
1434 | goto fail_rfkill; | |
1435 | ||
854c7836 | 1436 | eeepc_device_present = true; |
e59f8796 | 1437 | return 0; |
1e779854 | 1438 | |
7de39389 | 1439 | fail_rfkill: |
854c7836 | 1440 | eeepc_led_exit(eeepc); |
3c0eb510 | 1441 | fail_led: |
854c7836 | 1442 | eeepc_hwmon_exit(eeepc); |
1ddec2f9 | 1443 | fail_hwmon: |
854c7836 | 1444 | eeepc_input_exit(eeepc); |
f2a9d5e8 | 1445 | fail_input: |
854c7836 | 1446 | eeepc_backlight_exit(eeepc); |
1ddec2f9 | 1447 | fail_backlight: |
854c7836 | 1448 | eeepc_platform_exit(eeepc); |
9db106be | 1449 | fail_platform: |
a7624b63 | 1450 | kfree(eeepc); |
1e779854 | 1451 | |
e59f8796 EC |
1452 | return result; |
1453 | } | |
1454 | ||
a7624b63 | 1455 | static int eeepc_acpi_remove(struct acpi_device *device, int type) |
1e779854 | 1456 | { |
854c7836 | 1457 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
1e779854 | 1458 | |
854c7836 AJ |
1459 | eeepc_backlight_exit(eeepc); |
1460 | eeepc_rfkill_exit(eeepc); | |
1461 | eeepc_input_exit(eeepc); | |
1462 | eeepc_hwmon_exit(eeepc); | |
1463 | eeepc_led_exit(eeepc); | |
1464 | eeepc_platform_exit(eeepc); | |
1e779854 | 1465 | |
a7624b63 | 1466 | kfree(eeepc); |
1e779854 AJ |
1467 | return 0; |
1468 | } | |
1469 | ||
52bbe3c7 AJ |
1470 | |
1471 | static const struct acpi_device_id eeepc_device_ids[] = { | |
a7624b63 | 1472 | {EEEPC_ACPI_HID, 0}, |
52bbe3c7 AJ |
1473 | {"", 0}, |
1474 | }; | |
1475 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); | |
1476 | ||
a7624b63 AJ |
1477 | static struct acpi_driver eeepc_acpi_driver = { |
1478 | .name = EEEPC_LAPTOP_NAME, | |
1479 | .class = EEEPC_ACPI_CLASS, | |
52bbe3c7 AJ |
1480 | .owner = THIS_MODULE, |
1481 | .ids = eeepc_device_ids, | |
1482 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1483 | .ops = { | |
a7624b63 AJ |
1484 | .add = eeepc_acpi_add, |
1485 | .remove = eeepc_acpi_remove, | |
1486 | .notify = eeepc_acpi_notify, | |
52bbe3c7 AJ |
1487 | }, |
1488 | }; | |
1489 | ||
1490 | ||
1e779854 AJ |
1491 | static int __init eeepc_laptop_init(void) |
1492 | { | |
1493 | int result; | |
1494 | ||
22072e92 | 1495 | result = platform_driver_register(&platform_driver); |
1e779854 AJ |
1496 | if (result < 0) |
1497 | return result; | |
22072e92 | 1498 | |
a7624b63 | 1499 | result = acpi_bus_register_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1500 | if (result < 0) |
1501 | goto fail_acpi_driver; | |
642e0447 | 1502 | |
854c7836 | 1503 | if (!eeepc_device_present) { |
22072e92 AJ |
1504 | result = -ENODEV; |
1505 | goto fail_no_device; | |
1e779854 | 1506 | } |
642e0447 | 1507 | |
1e779854 | 1508 | return 0; |
22072e92 AJ |
1509 | |
1510 | fail_no_device: | |
a7624b63 | 1511 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1512 | fail_acpi_driver: |
1513 | platform_driver_unregister(&platform_driver); | |
1514 | return result; | |
1e779854 AJ |
1515 | } |
1516 | ||
1517 | static void __exit eeepc_laptop_exit(void) | |
1518 | { | |
a7624b63 | 1519 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 | 1520 | platform_driver_unregister(&platform_driver); |
1e779854 AJ |
1521 | } |
1522 | ||
e59f8796 EC |
1523 | module_init(eeepc_laptop_init); |
1524 | module_exit(eeepc_laptop_exit); |