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Commit | Line | Data |
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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 | ||
56 | module_param(hotplug_disabled, bool, 0644); | |
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; |
854c7836 | 172 | struct key_entry *keymap; |
2b121bc2 | 173 | |
52bbe3c7 AJ |
174 | struct rfkill *wlan_rfkill; |
175 | struct rfkill *bluetooth_rfkill; | |
176 | struct rfkill *wwan3g_rfkill; | |
177 | struct rfkill *wimax_rfkill; | |
a5fa429b | 178 | |
52bbe3c7 AJ |
179 | struct hotplug_slot *hotplug_slot; |
180 | struct mutex hotplug_lock; | |
e1faa9da | 181 | |
854c7836 AJ |
182 | struct led_classdev tpd_led; |
183 | int tpd_led_wk; | |
184 | struct workqueue_struct *led_workqueue; | |
185 | struct work_struct tpd_led_work; | |
a5fa429b CC |
186 | }; |
187 | ||
e59f8796 EC |
188 | /* |
189 | * ACPI Helpers | |
190 | */ | |
6b188a7b | 191 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
e59f8796 EC |
192 | { |
193 | struct acpi_object_list params; | |
194 | union acpi_object in_obj; | |
195 | acpi_status status; | |
196 | ||
197 | params.count = 1; | |
198 | params.pointer = &in_obj; | |
199 | in_obj.type = ACPI_TYPE_INTEGER; | |
200 | in_obj.integer.value = val; | |
201 | ||
6b188a7b | 202 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, NULL); |
e59f8796 EC |
203 | return (status == AE_OK ? 0 : -1); |
204 | } | |
205 | ||
206 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) | |
207 | { | |
208 | acpi_status status; | |
27663c58 | 209 | unsigned long long result; |
e59f8796 EC |
210 | |
211 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
212 | if (ACPI_FAILURE(status)) { | |
213 | *val = -1; | |
214 | return -1; | |
215 | } else { | |
216 | *val = result; | |
217 | return 0; | |
218 | } | |
219 | } | |
220 | ||
854c7836 | 221 | static int set_acpi(struct eeepc_laptop *eeepc, int cm, int value) |
e59f8796 | 222 | { |
13f70029 | 223 | const char *method = cm_setv[cm]; |
e59f8796 | 224 | |
13f70029 AJ |
225 | if (method == NULL) |
226 | return -ENODEV; | |
a7624b63 | 227 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 228 | return -ENODEV; |
a5fa429b | 229 | |
a7624b63 | 230 | if (write_acpi_int(eeepc->handle, method, value)) |
13f70029 | 231 | pr_warning("Error writing %s\n", method); |
e59f8796 | 232 | return 0; |
a5fa429b CC |
233 | } |
234 | ||
854c7836 | 235 | static int get_acpi(struct eeepc_laptop *eeepc, int cm) |
a5fa429b | 236 | { |
13f70029 AJ |
237 | const char *method = cm_getv[cm]; |
238 | int value; | |
a5fa429b | 239 | |
13f70029 AJ |
240 | if (method == NULL) |
241 | return -ENODEV; | |
a7624b63 | 242 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 243 | return -ENODEV; |
a195dcdc | 244 | |
a7624b63 | 245 | if (read_acpi_int(eeepc->handle, method, &value)) |
13f70029 | 246 | pr_warning("Error reading %s\n", method); |
e59f8796 | 247 | return value; |
a195dcdc MG |
248 | } |
249 | ||
f90be874 CC |
250 | static int acpi_setter_handle(struct eeepc_laptop *eeepc, int cm, |
251 | acpi_handle *handle) | |
a195dcdc | 252 | { |
854c7836 AJ |
253 | const char *method = cm_setv[cm]; |
254 | acpi_status status; | |
a195dcdc | 255 | |
854c7836 AJ |
256 | if (method == NULL) |
257 | return -ENODEV; | |
258 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) | |
259 | return -ENODEV; | |
a195dcdc | 260 | |
854c7836 | 261 | status = acpi_get_handle(eeepc->handle, (char *)method, |
f90be874 | 262 | handle); |
854c7836 AJ |
263 | if (status != AE_OK) { |
264 | pr_warning("Error finding %s\n", method); | |
265 | return -ENODEV; | |
266 | } | |
267 | return 0; | |
cede2cb6 PE |
268 | } |
269 | ||
854c7836 | 270 | |
e59f8796 EC |
271 | /* |
272 | * Sys helpers | |
273 | */ | |
274 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
275 | { | |
276 | if (!count) | |
277 | return 0; | |
278 | if (sscanf(buf, "%i", val) != 1) | |
279 | return -EINVAL; | |
280 | return count; | |
281 | } | |
282 | ||
854c7836 AJ |
283 | static ssize_t store_sys_acpi(struct device *dev, int cm, |
284 | const char *buf, size_t count) | |
e59f8796 | 285 | { |
854c7836 | 286 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
e59f8796 EC |
287 | int rv, value; |
288 | ||
289 | rv = parse_arg(buf, count, &value); | |
290 | if (rv > 0) | |
854c7836 | 291 | value = set_acpi(eeepc, cm, value); |
f36509e7 | 292 | if (value < 0) |
6dff29b6 | 293 | return -EIO; |
e59f8796 EC |
294 | return rv; |
295 | } | |
296 | ||
854c7836 | 297 | static ssize_t show_sys_acpi(struct device *dev, int cm, char *buf) |
e59f8796 | 298 | { |
854c7836 AJ |
299 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
300 | int value = get_acpi(eeepc, cm); | |
f36509e7 CC |
301 | |
302 | if (value < 0) | |
6dff29b6 | 303 | return -EIO; |
f36509e7 | 304 | return sprintf(buf, "%d\n", value); |
e59f8796 EC |
305 | } |
306 | ||
6dff29b6 | 307 | #define EEEPC_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ |
e59f8796 EC |
308 | static ssize_t show_##_name(struct device *dev, \ |
309 | struct device_attribute *attr, \ | |
310 | char *buf) \ | |
311 | { \ | |
854c7836 | 312 | return show_sys_acpi(dev, _cm, buf); \ |
e59f8796 EC |
313 | } \ |
314 | static ssize_t store_##_name(struct device *dev, \ | |
315 | struct device_attribute *attr, \ | |
316 | const char *buf, size_t count) \ | |
317 | { \ | |
854c7836 | 318 | return store_sys_acpi(dev, _cm, buf, count); \ |
e59f8796 EC |
319 | } \ |
320 | static struct device_attribute dev_attr_##_name = { \ | |
321 | .attr = { \ | |
322 | .name = __stringify(_name), \ | |
6dff29b6 | 323 | .mode = _mode }, \ |
e59f8796 EC |
324 | .show = show_##_name, \ |
325 | .store = store_##_name, \ | |
326 | } | |
327 | ||
6dff29b6 AJ |
328 | EEEPC_CREATE_DEVICE_ATTR(camera, 0644, CM_ASL_CAMERA); |
329 | EEEPC_CREATE_DEVICE_ATTR(cardr, 0644, CM_ASL_CARDREADER); | |
330 | EEEPC_CREATE_DEVICE_ATTR(disp, 0200, CM_ASL_DISPLAYSWITCH); | |
b31d0fde CC |
331 | |
332 | struct eeepc_cpufv { | |
333 | int num; | |
334 | int cur; | |
335 | }; | |
336 | ||
854c7836 | 337 | static int get_cpufv(struct eeepc_laptop *eeepc, struct eeepc_cpufv *c) |
b31d0fde | 338 | { |
854c7836 | 339 | c->cur = get_acpi(eeepc, CM_ASL_CPUFV); |
b31d0fde CC |
340 | c->num = (c->cur >> 8) & 0xff; |
341 | c->cur &= 0xff; | |
342 | if (c->cur < 0 || c->num <= 0 || c->num > 12) | |
343 | return -ENODEV; | |
344 | return 0; | |
345 | } | |
346 | ||
347 | static ssize_t show_available_cpufv(struct device *dev, | |
348 | struct device_attribute *attr, | |
349 | char *buf) | |
350 | { | |
854c7836 | 351 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
352 | struct eeepc_cpufv c; |
353 | int i; | |
354 | ssize_t len = 0; | |
355 | ||
854c7836 | 356 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
357 | return -ENODEV; |
358 | for (i = 0; i < c.num; i++) | |
359 | len += sprintf(buf + len, "%d ", i); | |
360 | len += sprintf(buf + len, "\n"); | |
361 | return len; | |
362 | } | |
363 | ||
364 | static ssize_t show_cpufv(struct device *dev, | |
365 | struct device_attribute *attr, | |
366 | char *buf) | |
367 | { | |
854c7836 | 368 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
369 | struct eeepc_cpufv c; |
370 | ||
854c7836 | 371 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
372 | return -ENODEV; |
373 | return sprintf(buf, "%#x\n", (c.num << 8) | c.cur); | |
374 | } | |
375 | ||
376 | static ssize_t store_cpufv(struct device *dev, | |
377 | struct device_attribute *attr, | |
378 | const char *buf, size_t count) | |
379 | { | |
854c7836 | 380 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
381 | struct eeepc_cpufv c; |
382 | int rv, value; | |
383 | ||
da8ba01d AJ |
384 | if (eeepc->cpufv_disabled) |
385 | return -EPERM; | |
854c7836 | 386 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
387 | return -ENODEV; |
388 | rv = parse_arg(buf, count, &value); | |
389 | if (rv < 0) | |
390 | return rv; | |
391 | if (!rv || value < 0 || value >= c.num) | |
392 | return -EINVAL; | |
854c7836 | 393 | set_acpi(eeepc, CM_ASL_CPUFV, value); |
b31d0fde CC |
394 | return rv; |
395 | } | |
396 | ||
da8ba01d AJ |
397 | static ssize_t show_cpufv_disabled(struct device *dev, |
398 | struct device_attribute *attr, | |
399 | char *buf) | |
400 | { | |
401 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
402 | ||
403 | return sprintf(buf, "%d\n", eeepc->cpufv_disabled); | |
404 | } | |
405 | ||
406 | static ssize_t store_cpufv_disabled(struct device *dev, | |
407 | struct device_attribute *attr, | |
408 | const char *buf, size_t count) | |
409 | { | |
410 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
411 | int rv, value; | |
412 | ||
413 | rv = parse_arg(buf, count, &value); | |
414 | if (rv < 0) | |
415 | return rv; | |
416 | ||
417 | switch (value) { | |
418 | case 0: | |
419 | if (eeepc->cpufv_disabled) | |
420 | pr_warning("cpufv enabled (not officially supported " | |
421 | "on this model)\n"); | |
422 | eeepc->cpufv_disabled = false; | |
423 | return rv; | |
424 | case 1: | |
425 | return -EPERM; | |
426 | default: | |
427 | return -EINVAL; | |
428 | } | |
429 | } | |
430 | ||
431 | ||
b31d0fde CC |
432 | static struct device_attribute dev_attr_cpufv = { |
433 | .attr = { | |
434 | .name = "cpufv", | |
435 | .mode = 0644 }, | |
436 | .show = show_cpufv, | |
437 | .store = store_cpufv | |
438 | }; | |
439 | ||
440 | static struct device_attribute dev_attr_available_cpufv = { | |
441 | .attr = { | |
442 | .name = "available_cpufv", | |
443 | .mode = 0444 }, | |
444 | .show = show_available_cpufv | |
445 | }; | |
e59f8796 | 446 | |
da8ba01d AJ |
447 | static struct device_attribute dev_attr_cpufv_disabled = { |
448 | .attr = { | |
449 | .name = "cpufv_disabled", | |
450 | .mode = 0644 }, | |
451 | .show = show_cpufv_disabled, | |
452 | .store = store_cpufv_disabled | |
453 | }; | |
454 | ||
455 | ||
e59f8796 EC |
456 | static struct attribute *platform_attributes[] = { |
457 | &dev_attr_camera.attr, | |
458 | &dev_attr_cardr.attr, | |
459 | &dev_attr_disp.attr, | |
158ca1d7 | 460 | &dev_attr_cpufv.attr, |
b31d0fde | 461 | &dev_attr_available_cpufv.attr, |
da8ba01d | 462 | &dev_attr_cpufv_disabled.attr, |
e59f8796 EC |
463 | NULL |
464 | }; | |
465 | ||
466 | static struct attribute_group platform_attribute_group = { | |
467 | .attrs = platform_attributes | |
468 | }; | |
469 | ||
854c7836 | 470 | static int eeepc_platform_init(struct eeepc_laptop *eeepc) |
a195dcdc | 471 | { |
9db106be | 472 | int result; |
a195dcdc | 473 | |
854c7836 AJ |
474 | eeepc->platform_device = platform_device_alloc(EEEPC_LAPTOP_FILE, -1); |
475 | if (!eeepc->platform_device) | |
9db106be | 476 | return -ENOMEM; |
854c7836 | 477 | platform_set_drvdata(eeepc->platform_device, eeepc); |
a195dcdc | 478 | |
854c7836 | 479 | result = platform_device_add(eeepc->platform_device); |
9db106be AJ |
480 | if (result) |
481 | goto fail_platform_device; | |
a195dcdc | 482 | |
854c7836 | 483 | result = sysfs_create_group(&eeepc->platform_device->dev.kobj, |
9db106be AJ |
484 | &platform_attribute_group); |
485 | if (result) | |
486 | goto fail_sysfs; | |
487 | return 0; | |
a195dcdc | 488 | |
9db106be | 489 | fail_sysfs: |
854c7836 | 490 | platform_device_del(eeepc->platform_device); |
9db106be | 491 | fail_platform_device: |
854c7836 | 492 | platform_device_put(eeepc->platform_device); |
9db106be | 493 | return result; |
a195dcdc MG |
494 | } |
495 | ||
854c7836 | 496 | static void eeepc_platform_exit(struct eeepc_laptop *eeepc) |
a195dcdc | 497 | { |
854c7836 | 498 | sysfs_remove_group(&eeepc->platform_device->dev.kobj, |
9db106be | 499 | &platform_attribute_group); |
854c7836 | 500 | platform_device_unregister(eeepc->platform_device); |
9db106be | 501 | } |
a195dcdc | 502 | |
3c0eb510 CC |
503 | /* |
504 | * LEDs | |
505 | */ | |
506 | /* | |
507 | * These functions actually update the LED's, and are called from a | |
508 | * workqueue. By doing this as separate work rather than when the LED | |
509 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
510 | * potentially bad time, such as a timer interrupt. | |
511 | */ | |
854c7836 AJ |
512 | static void tpd_led_update(struct work_struct *work) |
513 | { | |
514 | struct eeepc_laptop *eeepc; | |
a195dcdc | 515 | |
854c7836 | 516 | eeepc = container_of(work, struct eeepc_laptop, tpd_led_work); |
3c0eb510 | 517 | |
854c7836 | 518 | set_acpi(eeepc, CM_ASL_TPD, eeepc->tpd_led_wk); |
a195dcdc MG |
519 | } |
520 | ||
3c0eb510 CC |
521 | static void tpd_led_set(struct led_classdev *led_cdev, |
522 | enum led_brightness value) | |
a195dcdc | 523 | { |
854c7836 | 524 | struct eeepc_laptop *eeepc; |
a195dcdc | 525 | |
854c7836 | 526 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
a195dcdc | 527 | |
854c7836 AJ |
528 | eeepc->tpd_led_wk = (value > 0) ? 1 : 0; |
529 | queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); | |
a195dcdc MG |
530 | } |
531 | ||
854c7836 | 532 | static int eeepc_led_init(struct eeepc_laptop *eeepc) |
dbfa3ba9 | 533 | { |
52bbe3c7 | 534 | int rv; |
dbfa3ba9 | 535 | |
854c7836 | 536 | if (get_acpi(eeepc, CM_ASL_TPD) == -ENODEV) |
52bbe3c7 | 537 | return 0; |
dbfa3ba9 | 538 | |
854c7836 AJ |
539 | eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
540 | if (!eeepc->led_workqueue) | |
52bbe3c7 | 541 | return -ENOMEM; |
854c7836 | 542 | INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); |
dbfa3ba9 | 543 | |
854c7836 AJ |
544 | eeepc->tpd_led.name = "eeepc::touchpad"; |
545 | eeepc->tpd_led.brightness_set = tpd_led_set; | |
546 | eeepc->tpd_led.max_brightness = 1; | |
e59f8796 | 547 | |
854c7836 AJ |
548 | rv = led_classdev_register(&eeepc->platform_device->dev, |
549 | &eeepc->tpd_led); | |
52bbe3c7 | 550 | if (rv) { |
854c7836 | 551 | destroy_workqueue(eeepc->led_workqueue); |
52bbe3c7 | 552 | return rv; |
e59f8796 | 553 | } |
a195dcdc | 554 | |
e59f8796 EC |
555 | return 0; |
556 | } | |
557 | ||
854c7836 | 558 | static void eeepc_led_exit(struct eeepc_laptop *eeepc) |
a5fa429b | 559 | { |
854c7836 AJ |
560 | if (eeepc->tpd_led.dev) |
561 | led_classdev_unregister(&eeepc->tpd_led); | |
562 | if (eeepc->led_workqueue) | |
563 | destroy_workqueue(eeepc->led_workqueue); | |
a5fa429b CC |
564 | } |
565 | ||
2b121bc2 | 566 | |
52bbe3c7 AJ |
567 | /* |
568 | * PCI hotplug (for wlan rfkill) | |
569 | */ | |
854c7836 | 570 | static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) |
52bbe3c7 | 571 | { |
854c7836 | 572 | if (get_acpi(eeepc, CM_ASL_WLAN) == 1) |
52bbe3c7 AJ |
573 | return false; |
574 | return true; | |
2b121bc2 CC |
575 | } |
576 | ||
854c7836 | 577 | static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc) |
5740294c MG |
578 | { |
579 | struct pci_dev *dev; | |
6d41839e | 580 | struct pci_bus *bus; |
854c7836 | 581 | bool blocked = eeepc_wlan_rfkill_blocked(eeepc); |
bc9d24a3 AJ |
582 | bool absent; |
583 | u32 l; | |
5740294c | 584 | |
a7624b63 AJ |
585 | if (eeepc->wlan_rfkill) |
586 | rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); | |
6d41839e | 587 | |
a7624b63 | 588 | mutex_lock(&eeepc->hotplug_lock); |
dcf443b5 | 589 | |
a7624b63 | 590 | if (eeepc->hotplug_slot) { |
07e84aa9 AJ |
591 | bus = pci_find_bus(0, 1); |
592 | if (!bus) { | |
593 | pr_warning("Unable to find PCI bus 1?\n"); | |
dcf443b5 | 594 | goto out_unlock; |
5740294c | 595 | } |
07e84aa9 | 596 | |
bc9d24a3 AJ |
597 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { |
598 | pr_err("Unable to read PCI config space?\n"); | |
599 | goto out_unlock; | |
600 | } | |
601 | absent = (l == 0xffffffff); | |
602 | ||
603 | if (blocked != absent) { | |
604 | pr_warning("BIOS says wireless lan is %s, " | |
605 | "but the pci device is %s\n", | |
606 | blocked ? "blocked" : "unblocked", | |
607 | absent ? "absent" : "present"); | |
608 | pr_warning("skipped wireless hotplug as probably " | |
609 | "inappropriate for this model\n"); | |
610 | goto out_unlock; | |
611 | } | |
612 | ||
07e84aa9 AJ |
613 | if (!blocked) { |
614 | dev = pci_get_slot(bus, 0); | |
615 | if (dev) { | |
616 | /* Device already present */ | |
617 | pci_dev_put(dev); | |
618 | goto out_unlock; | |
619 | } | |
620 | dev = pci_scan_single_device(bus, 0); | |
621 | if (dev) { | |
622 | pci_bus_assign_resources(bus); | |
623 | if (pci_bus_add_device(dev)) | |
624 | pr_err("Unable to hotplug wifi\n"); | |
625 | } | |
626 | } else { | |
627 | dev = pci_get_slot(bus, 0); | |
628 | if (dev) { | |
629 | pci_remove_bus_device(dev); | |
630 | pci_dev_put(dev); | |
631 | } | |
5740294c MG |
632 | } |
633 | } | |
dcf443b5 AJ |
634 | |
635 | out_unlock: | |
a7624b63 | 636 | mutex_unlock(&eeepc->hotplug_lock); |
5740294c MG |
637 | } |
638 | ||
96e9cfeb AJ |
639 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
640 | { | |
854c7836 AJ |
641 | struct eeepc_laptop *eeepc = data; |
642 | ||
96e9cfeb AJ |
643 | if (event != ACPI_NOTIFY_BUS_CHECK) |
644 | return; | |
645 | ||
854c7836 | 646 | eeepc_rfkill_hotplug(eeepc); |
e59f8796 EC |
647 | } |
648 | ||
854c7836 AJ |
649 | static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, |
650 | char *node) | |
5740294c | 651 | { |
854c7836 | 652 | acpi_status status; |
5740294c MG |
653 | acpi_handle handle; |
654 | ||
655 | status = acpi_get_handle(NULL, node, &handle); | |
656 | ||
657 | if (ACPI_SUCCESS(status)) { | |
658 | status = acpi_install_notify_handler(handle, | |
659 | ACPI_SYSTEM_NOTIFY, | |
660 | eeepc_rfkill_notify, | |
854c7836 | 661 | eeepc); |
5740294c | 662 | if (ACPI_FAILURE(status)) |
19b53289 | 663 | pr_warning("Failed to register notify on %s\n", node); |
5740294c MG |
664 | } else |
665 | return -ENODEV; | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
854c7836 AJ |
670 | static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, |
671 | char *node) | |
5740294c MG |
672 | { |
673 | acpi_status status = AE_OK; | |
674 | acpi_handle handle; | |
675 | ||
676 | status = acpi_get_handle(NULL, node, &handle); | |
677 | ||
678 | if (ACPI_SUCCESS(status)) { | |
679 | status = acpi_remove_notify_handler(handle, | |
680 | ACPI_SYSTEM_NOTIFY, | |
681 | eeepc_rfkill_notify); | |
682 | if (ACPI_FAILURE(status)) | |
19b53289 | 683 | pr_err("Error removing rfkill notify handler %s\n", |
5740294c MG |
684 | node); |
685 | } | |
686 | } | |
687 | ||
52bbe3c7 AJ |
688 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
689 | u8 *value) | |
690 | { | |
854c7836 AJ |
691 | struct eeepc_laptop *eeepc = hotplug_slot->private; |
692 | int val = get_acpi(eeepc, CM_ASL_WLAN); | |
52bbe3c7 AJ |
693 | |
694 | if (val == 1 || val == 0) | |
695 | *value = val; | |
696 | else | |
697 | return -EINVAL; | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
2b121bc2 CC |
702 | static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
703 | { | |
704 | kfree(hotplug_slot->info); | |
705 | kfree(hotplug_slot); | |
706 | } | |
707 | ||
52bbe3c7 AJ |
708 | static struct hotplug_slot_ops eeepc_hotplug_slot_ops = { |
709 | .owner = THIS_MODULE, | |
710 | .get_adapter_status = eeepc_get_adapter_status, | |
711 | .get_power_status = eeepc_get_adapter_status, | |
712 | }; | |
713 | ||
854c7836 | 714 | static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc) |
2b121bc2 CC |
715 | { |
716 | int ret = -ENOMEM; | |
717 | struct pci_bus *bus = pci_find_bus(0, 1); | |
718 | ||
719 | if (!bus) { | |
19b53289 | 720 | pr_err("Unable to find wifi PCI bus\n"); |
2b121bc2 CC |
721 | return -ENODEV; |
722 | } | |
723 | ||
a7624b63 AJ |
724 | eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
725 | if (!eeepc->hotplug_slot) | |
2b121bc2 CC |
726 | goto error_slot; |
727 | ||
a7624b63 | 728 | eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
2b121bc2 | 729 | GFP_KERNEL); |
a7624b63 | 730 | if (!eeepc->hotplug_slot->info) |
2b121bc2 CC |
731 | goto error_info; |
732 | ||
a7624b63 AJ |
733 | eeepc->hotplug_slot->private = eeepc; |
734 | eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug; | |
735 | eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops; | |
736 | eeepc_get_adapter_status(eeepc->hotplug_slot, | |
737 | &eeepc->hotplug_slot->info->adapter_status); | |
2b121bc2 | 738 | |
a7624b63 | 739 | ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi"); |
2b121bc2 | 740 | if (ret) { |
19b53289 | 741 | pr_err("Unable to register hotplug slot - %d\n", ret); |
2b121bc2 CC |
742 | goto error_register; |
743 | } | |
744 | ||
745 | return 0; | |
746 | ||
747 | error_register: | |
a7624b63 | 748 | kfree(eeepc->hotplug_slot->info); |
2b121bc2 | 749 | error_info: |
a7624b63 AJ |
750 | kfree(eeepc->hotplug_slot); |
751 | eeepc->hotplug_slot = NULL; | |
2b121bc2 CC |
752 | error_slot: |
753 | return ret; | |
754 | } | |
755 | ||
52bbe3c7 AJ |
756 | /* |
757 | * Rfkill devices | |
758 | */ | |
759 | static int eeepc_rfkill_set(void *data, bool blocked) | |
96e9cfeb | 760 | { |
854c7836 | 761 | acpi_handle handle = data; |
c200da5d | 762 | |
854c7836 | 763 | return write_acpi_int(handle, NULL, !blocked); |
c200da5d | 764 | } |
96e9cfeb | 765 | |
52bbe3c7 AJ |
766 | static const struct rfkill_ops eeepc_rfkill_ops = { |
767 | .set_block = eeepc_rfkill_set, | |
768 | }; | |
769 | ||
854c7836 AJ |
770 | static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, |
771 | struct rfkill **rfkill, | |
772 | const char *name, | |
52bbe3c7 AJ |
773 | enum rfkill_type type, int cm) |
774 | { | |
854c7836 | 775 | acpi_handle handle; |
52bbe3c7 AJ |
776 | int result; |
777 | ||
854c7836 | 778 | result = acpi_setter_handle(eeepc, cm, &handle); |
52bbe3c7 AJ |
779 | if (result < 0) |
780 | return result; | |
781 | ||
854c7836 AJ |
782 | *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, |
783 | &eeepc_rfkill_ops, handle); | |
96e9cfeb | 784 | |
52bbe3c7 AJ |
785 | if (!*rfkill) |
786 | return -EINVAL; | |
787 | ||
854c7836 | 788 | rfkill_init_sw_state(*rfkill, get_acpi(eeepc, cm) != 1); |
52bbe3c7 AJ |
789 | result = rfkill_register(*rfkill); |
790 | if (result) { | |
791 | rfkill_destroy(*rfkill); | |
792 | *rfkill = NULL; | |
793 | return result; | |
794 | } | |
96e9cfeb AJ |
795 | return 0; |
796 | } | |
797 | ||
854c7836 | 798 | static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) |
52bbe3c7 | 799 | { |
854c7836 AJ |
800 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
801 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); | |
802 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); | |
a7624b63 AJ |
803 | if (eeepc->wlan_rfkill) { |
804 | rfkill_unregister(eeepc->wlan_rfkill); | |
805 | rfkill_destroy(eeepc->wlan_rfkill); | |
806 | eeepc->wlan_rfkill = NULL; | |
52bbe3c7 AJ |
807 | } |
808 | /* | |
809 | * Refresh pci hotplug in case the rfkill state was changed after | |
810 | * eeepc_unregister_rfkill_notifier() | |
811 | */ | |
854c7836 | 812 | eeepc_rfkill_hotplug(eeepc); |
a7624b63 AJ |
813 | if (eeepc->hotplug_slot) |
814 | pci_hp_deregister(eeepc->hotplug_slot); | |
52bbe3c7 | 815 | |
a7624b63 AJ |
816 | if (eeepc->bluetooth_rfkill) { |
817 | rfkill_unregister(eeepc->bluetooth_rfkill); | |
818 | rfkill_destroy(eeepc->bluetooth_rfkill); | |
819 | eeepc->bluetooth_rfkill = NULL; | |
52bbe3c7 | 820 | } |
a7624b63 AJ |
821 | if (eeepc->wwan3g_rfkill) { |
822 | rfkill_unregister(eeepc->wwan3g_rfkill); | |
823 | rfkill_destroy(eeepc->wwan3g_rfkill); | |
824 | eeepc->wwan3g_rfkill = NULL; | |
52bbe3c7 | 825 | } |
a7624b63 AJ |
826 | if (eeepc->wimax_rfkill) { |
827 | rfkill_unregister(eeepc->wimax_rfkill); | |
828 | rfkill_destroy(eeepc->wimax_rfkill); | |
829 | eeepc->wimax_rfkill = NULL; | |
52bbe3c7 AJ |
830 | } |
831 | } | |
832 | ||
854c7836 | 833 | static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
834 | { |
835 | int result = 0; | |
836 | ||
a7624b63 | 837 | mutex_init(&eeepc->hotplug_lock); |
52bbe3c7 | 838 | |
854c7836 AJ |
839 | result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, |
840 | "eeepc-wlan", RFKILL_TYPE_WLAN, | |
841 | CM_ASL_WLAN); | |
52bbe3c7 AJ |
842 | |
843 | if (result && result != -ENODEV) | |
844 | goto exit; | |
845 | ||
854c7836 AJ |
846 | result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, |
847 | "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, | |
848 | CM_ASL_BLUETOOTH); | |
52bbe3c7 AJ |
849 | |
850 | if (result && result != -ENODEV) | |
851 | goto exit; | |
852 | ||
854c7836 AJ |
853 | result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, |
854 | "eeepc-wwan3g", RFKILL_TYPE_WWAN, | |
855 | CM_ASL_3G); | |
52bbe3c7 AJ |
856 | |
857 | if (result && result != -ENODEV) | |
858 | goto exit; | |
859 | ||
854c7836 AJ |
860 | result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill, |
861 | "eeepc-wimax", RFKILL_TYPE_WIMAX, | |
862 | CM_ASL_WIMAX); | |
52bbe3c7 AJ |
863 | |
864 | if (result && result != -ENODEV) | |
865 | goto exit; | |
866 | ||
10ae4b56 CC |
867 | if (eeepc->hotplug_disabled) |
868 | return 0; | |
869 | ||
854c7836 | 870 | result = eeepc_setup_pci_hotplug(eeepc); |
52bbe3c7 AJ |
871 | /* |
872 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
873 | * don't fail in this case | |
874 | */ | |
875 | if (result == -EBUSY) | |
876 | result = 0; | |
877 | ||
854c7836 AJ |
878 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
879 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); | |
880 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); | |
52bbe3c7 AJ |
881 | /* |
882 | * Refresh pci hotplug in case the rfkill state was changed during | |
883 | * setup. | |
884 | */ | |
854c7836 | 885 | eeepc_rfkill_hotplug(eeepc); |
52bbe3c7 AJ |
886 | |
887 | exit: | |
888 | if (result && result != -ENODEV) | |
854c7836 | 889 | eeepc_rfkill_exit(eeepc); |
52bbe3c7 AJ |
890 | return result; |
891 | } | |
892 | ||
e1faa9da | 893 | /* |
52bbe3c7 | 894 | * Platform driver - hibernate/resume callbacks |
e1faa9da | 895 | */ |
854c7836 | 896 | static int eeepc_hotk_thaw(struct device *device) |
96e9cfeb | 897 | { |
854c7836 AJ |
898 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
899 | ||
a7624b63 | 900 | if (eeepc->wlan_rfkill) { |
96e9cfeb AJ |
901 | bool wlan; |
902 | ||
c1edd99f AJ |
903 | /* |
904 | * Work around bios bug - acpi _PTS turns off the wireless led | |
905 | * during suspend. Normally it restores it on resume, but | |
c200da5d | 906 | * we should kick it ourselves in case hibernation is aborted. |
96e9cfeb | 907 | */ |
854c7836 AJ |
908 | wlan = get_acpi(eeepc, CM_ASL_WLAN); |
909 | set_acpi(eeepc, CM_ASL_WLAN, wlan); | |
c200da5d AJ |
910 | } |
911 | ||
912 | return 0; | |
913 | } | |
96e9cfeb | 914 | |
854c7836 | 915 | static int eeepc_hotk_restore(struct device *device) |
c200da5d | 916 | { |
854c7836 AJ |
917 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
918 | ||
c200da5d | 919 | /* Refresh both wlan rfkill state and pci hotplug */ |
a7624b63 | 920 | if (eeepc->wlan_rfkill) |
854c7836 | 921 | eeepc_rfkill_hotplug(eeepc); |
96e9cfeb | 922 | |
a7624b63 AJ |
923 | if (eeepc->bluetooth_rfkill) |
924 | rfkill_set_sw_state(eeepc->bluetooth_rfkill, | |
854c7836 | 925 | get_acpi(eeepc, CM_ASL_BLUETOOTH) != 1); |
a7624b63 AJ |
926 | if (eeepc->wwan3g_rfkill) |
927 | rfkill_set_sw_state(eeepc->wwan3g_rfkill, | |
854c7836 | 928 | get_acpi(eeepc, CM_ASL_3G) != 1); |
a7624b63 AJ |
929 | if (eeepc->wimax_rfkill) |
930 | rfkill_set_sw_state(eeepc->wimax_rfkill, | |
854c7836 | 931 | get_acpi(eeepc, CM_ASL_WIMAX) != 1); |
96e9cfeb AJ |
932 | |
933 | return 0; | |
934 | } | |
935 | ||
9a3bff23 | 936 | static const struct dev_pm_ops eeepc_pm_ops = { |
854c7836 AJ |
937 | .thaw = eeepc_hotk_thaw, |
938 | .restore = eeepc_hotk_restore, | |
52bbe3c7 AJ |
939 | }; |
940 | ||
941 | static struct platform_driver platform_driver = { | |
942 | .driver = { | |
a7624b63 | 943 | .name = EEEPC_LAPTOP_FILE, |
52bbe3c7 AJ |
944 | .owner = THIS_MODULE, |
945 | .pm = &eeepc_pm_ops, | |
946 | } | |
947 | }; | |
948 | ||
e1faa9da | 949 | /* |
52bbe3c7 | 950 | * Hwmon device |
e1faa9da | 951 | */ |
52bbe3c7 AJ |
952 | |
953 | #define EEEPC_EC_SC00 0x61 | |
954 | #define EEEPC_EC_FAN_PWM (EEEPC_EC_SC00 + 2) /* Fan PWM duty cycle (%) */ | |
955 | #define EEEPC_EC_FAN_HRPM (EEEPC_EC_SC00 + 5) /* High byte, fan speed (RPM) */ | |
956 | #define EEEPC_EC_FAN_LRPM (EEEPC_EC_SC00 + 6) /* Low byte, fan speed (RPM) */ | |
957 | ||
958 | #define EEEPC_EC_SFB0 0xD0 | |
959 | #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ | |
960 | ||
e1faa9da CC |
961 | static int eeepc_get_fan_pwm(void) |
962 | { | |
463b4e47 | 963 | u8 value = 0; |
e1faa9da | 964 | |
463b4e47 AJ |
965 | ec_read(EEEPC_EC_FAN_PWM, &value); |
966 | return value * 255 / 100; | |
e1faa9da CC |
967 | } |
968 | ||
969 | static void eeepc_set_fan_pwm(int value) | |
970 | { | |
04dcd84b CC |
971 | value = SENSORS_LIMIT(value, 0, 255); |
972 | value = value * 100 / 255; | |
463b4e47 | 973 | ec_write(EEEPC_EC_FAN_PWM, value); |
e1faa9da CC |
974 | } |
975 | ||
976 | static int eeepc_get_fan_rpm(void) | |
977 | { | |
463b4e47 AJ |
978 | u8 high = 0; |
979 | u8 low = 0; | |
e1faa9da | 980 | |
463b4e47 AJ |
981 | ec_read(EEEPC_EC_FAN_HRPM, &high); |
982 | ec_read(EEEPC_EC_FAN_LRPM, &low); | |
983 | return high << 8 | low; | |
e1faa9da CC |
984 | } |
985 | ||
986 | static int eeepc_get_fan_ctrl(void) | |
987 | { | |
463b4e47 | 988 | u8 value = 0; |
e1faa9da | 989 | |
463b4e47 | 990 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
48718688 AJ |
991 | if (value & 0x02) |
992 | return 1; /* manual */ | |
993 | else | |
994 | return 2; /* automatic */ | |
e1faa9da CC |
995 | } |
996 | ||
997 | static void eeepc_set_fan_ctrl(int manual) | |
998 | { | |
463b4e47 | 999 | u8 value = 0; |
e1faa9da | 1000 | |
463b4e47 | 1001 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
48718688 | 1002 | if (manual == 1) |
e1faa9da CC |
1003 | value |= 0x02; |
1004 | else | |
1005 | value &= ~0x02; | |
463b4e47 | 1006 | ec_write(EEEPC_EC_FAN_CTRL, value); |
e1faa9da CC |
1007 | } |
1008 | ||
1009 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) | |
1010 | { | |
1011 | int rv, value; | |
1012 | ||
1013 | rv = parse_arg(buf, count, &value); | |
1014 | if (rv > 0) | |
1015 | set(value); | |
1016 | return rv; | |
1017 | } | |
1018 | ||
1019 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) | |
1020 | { | |
1021 | return sprintf(buf, "%d\n", get()); | |
1022 | } | |
1023 | ||
1024 | #define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ | |
1025 | static ssize_t show_##_name(struct device *dev, \ | |
1026 | struct device_attribute *attr, \ | |
1027 | char *buf) \ | |
1028 | { \ | |
1029 | return show_sys_hwmon(_set, buf); \ | |
1030 | } \ | |
1031 | static ssize_t store_##_name(struct device *dev, \ | |
1032 | struct device_attribute *attr, \ | |
1033 | const char *buf, size_t count) \ | |
1034 | { \ | |
1035 | return store_sys_hwmon(_get, buf, count); \ | |
1036 | } \ | |
1037 | static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); | |
1038 | ||
1039 | EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); | |
04dcd84b | 1040 | EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, |
e1faa9da CC |
1041 | eeepc_get_fan_pwm, eeepc_set_fan_pwm); |
1042 | EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, | |
1043 | eeepc_get_fan_ctrl, eeepc_set_fan_ctrl); | |
1044 | ||
04dcd84b CC |
1045 | static ssize_t |
1046 | show_name(struct device *dev, struct device_attribute *attr, char *buf) | |
1047 | { | |
1048 | return sprintf(buf, "eeepc\n"); | |
1049 | } | |
1050 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); | |
1051 | ||
e1faa9da | 1052 | static struct attribute *hwmon_attributes[] = { |
04dcd84b | 1053 | &sensor_dev_attr_pwm1.dev_attr.attr, |
e1faa9da CC |
1054 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1055 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
04dcd84b | 1056 | &sensor_dev_attr_name.dev_attr.attr, |
e1faa9da CC |
1057 | NULL |
1058 | }; | |
1059 | ||
1060 | static struct attribute_group hwmon_attribute_group = { | |
1061 | .attrs = hwmon_attributes | |
1062 | }; | |
1063 | ||
854c7836 | 1064 | static void eeepc_hwmon_exit(struct eeepc_laptop *eeepc) |
a5fa429b | 1065 | { |
e1faa9da CC |
1066 | struct device *hwmon; |
1067 | ||
854c7836 | 1068 | hwmon = eeepc->hwmon_device; |
e1faa9da | 1069 | if (!hwmon) |
854c7836 | 1070 | return; |
e1faa9da CC |
1071 | sysfs_remove_group(&hwmon->kobj, |
1072 | &hwmon_attribute_group); | |
f1441318 | 1073 | hwmon_device_unregister(hwmon); |
854c7836 | 1074 | eeepc->hwmon_device = NULL; |
a9df80c5 CC |
1075 | } |
1076 | ||
854c7836 | 1077 | static int eeepc_hwmon_init(struct eeepc_laptop *eeepc) |
a9df80c5 | 1078 | { |
52bbe3c7 | 1079 | struct device *hwmon; |
7de39389 CC |
1080 | int result; |
1081 | ||
854c7836 | 1082 | hwmon = hwmon_device_register(&eeepc->platform_device->dev); |
52bbe3c7 AJ |
1083 | if (IS_ERR(hwmon)) { |
1084 | pr_err("Could not register eeepc hwmon device\n"); | |
854c7836 | 1085 | eeepc->hwmon_device = NULL; |
52bbe3c7 | 1086 | return PTR_ERR(hwmon); |
a8258069 | 1087 | } |
854c7836 | 1088 | eeepc->hwmon_device = hwmon; |
52bbe3c7 AJ |
1089 | result = sysfs_create_group(&hwmon->kobj, |
1090 | &hwmon_attribute_group); | |
1091 | if (result) | |
854c7836 | 1092 | eeepc_hwmon_exit(eeepc); |
52bbe3c7 | 1093 | return result; |
a9df80c5 CC |
1094 | } |
1095 | ||
52bbe3c7 AJ |
1096 | /* |
1097 | * Backlight device | |
1098 | */ | |
1099 | static int read_brightness(struct backlight_device *bd) | |
a9df80c5 | 1100 | { |
854c7836 AJ |
1101 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
1102 | ||
1103 | return get_acpi(eeepc, CM_ASL_PANELBRIGHT); | |
a5fa429b CC |
1104 | } |
1105 | ||
52bbe3c7 | 1106 | static int set_brightness(struct backlight_device *bd, int value) |
e1faa9da | 1107 | { |
854c7836 | 1108 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
e1faa9da | 1109 | |
854c7836 | 1110 | return set_acpi(eeepc, CM_ASL_PANELBRIGHT, value); |
e1faa9da CC |
1111 | } |
1112 | ||
52bbe3c7 | 1113 | static int update_bl_status(struct backlight_device *bd) |
7de39389 | 1114 | { |
52bbe3c7 AJ |
1115 | return set_brightness(bd, bd->props.brightness); |
1116 | } | |
7de39389 | 1117 | |
52bbe3c7 AJ |
1118 | static struct backlight_ops eeepcbl_ops = { |
1119 | .get_brightness = read_brightness, | |
1120 | .update_status = update_bl_status, | |
1121 | }; | |
7de39389 | 1122 | |
854c7836 | 1123 | static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1124 | { |
854c7836 | 1125 | struct backlight_device *bd = eeepc->backlight_device; |
52bbe3c7 | 1126 | int old = bd->props.brightness; |
7de39389 | 1127 | |
52bbe3c7 | 1128 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); |
7de39389 | 1129 | |
52bbe3c7 | 1130 | return old; |
7de39389 CC |
1131 | } |
1132 | ||
854c7836 | 1133 | static int eeepc_backlight_init(struct eeepc_laptop *eeepc) |
7de39389 | 1134 | { |
a19a6ee6 | 1135 | struct backlight_properties props; |
a5fa429b | 1136 | struct backlight_device *bd; |
7334546a | 1137 | |
a19a6ee6 MG |
1138 | memset(&props, 0, sizeof(struct backlight_properties)); |
1139 | props.max_brightness = 15; | |
854c7836 | 1140 | bd = backlight_device_register(EEEPC_LAPTOP_FILE, |
a19a6ee6 MG |
1141 | &eeepc->platform_device->dev, eeepc, |
1142 | &eeepcbl_ops, &props); | |
a5fa429b | 1143 | if (IS_ERR(bd)) { |
19b53289 | 1144 | pr_err("Could not register eeepc backlight device\n"); |
854c7836 | 1145 | eeepc->backlight_device = NULL; |
a5fa429b CC |
1146 | return PTR_ERR(bd); |
1147 | } | |
854c7836 | 1148 | eeepc->backlight_device = bd; |
854c7836 | 1149 | bd->props.brightness = read_brightness(bd); |
a5fa429b CC |
1150 | bd->props.power = FB_BLANK_UNBLANK; |
1151 | backlight_update_status(bd); | |
1152 | return 0; | |
1153 | } | |
7de39389 | 1154 | |
854c7836 | 1155 | static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) |
e1faa9da | 1156 | { |
854c7836 AJ |
1157 | if (eeepc->backlight_device) |
1158 | backlight_device_unregister(eeepc->backlight_device); | |
1159 | eeepc->backlight_device = NULL; | |
52bbe3c7 | 1160 | } |
7de39389 | 1161 | |
7de39389 | 1162 | |
52bbe3c7 AJ |
1163 | /* |
1164 | * Input device (i.e. hotkeys) | |
1165 | */ | |
642e0447 | 1166 | static int eeepc_input_init(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1167 | { |
642e0447 DT |
1168 | struct input_dev *input; |
1169 | int error; | |
3cd530b5 | 1170 | |
642e0447 DT |
1171 | input = input_allocate_device(); |
1172 | if (!input) { | |
1173 | pr_info("Unable to allocate input device\n"); | |
1174 | return -ENOMEM; | |
e1faa9da | 1175 | } |
07e84aa9 | 1176 | |
642e0447 DT |
1177 | input->name = "Asus EeePC extra buttons"; |
1178 | input->phys = EEEPC_LAPTOP_FILE "/input0"; | |
1179 | input->id.bustype = BUS_HOST; | |
1180 | input->dev.parent = &eeepc->platform_device->dev; | |
7de39389 | 1181 | |
642e0447 DT |
1182 | error = sparse_keymap_setup(input, eeepc_keymap, NULL); |
1183 | if (error) { | |
1184 | pr_err("Unable to setup input device keymap\n"); | |
1185 | goto err_free_dev; | |
a5fa429b | 1186 | } |
52bbe3c7 | 1187 | |
642e0447 DT |
1188 | error = input_register_device(input); |
1189 | if (error) { | |
1190 | pr_err("Unable to register input device\n"); | |
1191 | goto err_free_keymap; | |
e1faa9da | 1192 | } |
52bbe3c7 | 1193 | |
642e0447 | 1194 | eeepc->inputdev = input; |
f2a9d5e8 | 1195 | return 0; |
642e0447 DT |
1196 | |
1197 | err_free_keymap: | |
1198 | sparse_keymap_free(input); | |
1199 | err_free_dev: | |
1200 | input_free_device(input); | |
1201 | return error; | |
f2a9d5e8 AJ |
1202 | } |
1203 | ||
854c7836 | 1204 | static void eeepc_input_exit(struct eeepc_laptop *eeepc) |
e59f8796 | 1205 | { |
854c7836 | 1206 | if (eeepc->inputdev) { |
a7624b63 | 1207 | input_unregister_device(eeepc->inputdev); |
854c7836 AJ |
1208 | kfree(eeepc->keymap); |
1209 | } | |
52bbe3c7 | 1210 | } |
3c0eb510 | 1211 | |
52bbe3c7 AJ |
1212 | /* |
1213 | * ACPI driver | |
1214 | */ | |
a7624b63 | 1215 | static void eeepc_acpi_notify(struct acpi_device *device, u32 event) |
52bbe3c7 | 1216 | { |
854c7836 | 1217 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
52bbe3c7 | 1218 | u16 count; |
3c0eb510 | 1219 | |
52bbe3c7 AJ |
1220 | if (event > ACPI_MAX_SYS_NOTIFY) |
1221 | return; | |
a7624b63 | 1222 | count = eeepc->event_count[event % 128]++; |
854c7836 AJ |
1223 | acpi_bus_generate_proc_event(device, event, count); |
1224 | acpi_bus_generate_netlink_event(device->pnp.device_class, | |
1225 | dev_name(&device->dev), event, | |
52bbe3c7 | 1226 | count); |
3c0eb510 | 1227 | |
325fb8e9 | 1228 | /* Brightness events are special */ |
52bbe3c7 | 1229 | if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) { |
52bbe3c7 | 1230 | |
325fb8e9 AJ |
1231 | /* Ignore them completely if the acpi video driver is used */ |
1232 | if (eeepc->backlight_device != NULL) { | |
1233 | int old_brightness, new_brightness; | |
1234 | ||
1235 | /* Update the backlight device. */ | |
1236 | old_brightness = eeepc_backlight_notify(eeepc); | |
1237 | ||
1238 | /* Convert event to keypress (obsolescent hack) */ | |
1239 | new_brightness = event - NOTIFY_BRN_MIN; | |
1240 | ||
1241 | if (new_brightness < old_brightness) { | |
1242 | event = NOTIFY_BRN_MIN; /* brightness down */ | |
1243 | } else if (new_brightness > old_brightness) { | |
1244 | event = NOTIFY_BRN_MAX; /* brightness up */ | |
1245 | } else { | |
1246 | /* | |
1247 | * no change in brightness - already at min/max, | |
1248 | * event will be desired value (or else ignored) | |
1249 | */ | |
1250 | } | |
642e0447 DT |
1251 | sparse_keymap_report_event(eeepc->inputdev, event, |
1252 | 1, true); | |
52bbe3c7 | 1253 | } |
325fb8e9 AJ |
1254 | } else { |
1255 | /* Everything else is a bona-fide keypress event */ | |
642e0447 | 1256 | sparse_keymap_report_event(eeepc->inputdev, event, 1, true); |
52bbe3c7 | 1257 | } |
52bbe3c7 AJ |
1258 | } |
1259 | ||
da8ba01d AJ |
1260 | static void eeepc_dmi_check(struct eeepc_laptop *eeepc) |
1261 | { | |
1262 | const char *model; | |
1263 | ||
10ae4b56 CC |
1264 | model = dmi_get_system_info(DMI_PRODUCT_NAME); |
1265 | if (!model) | |
1266 | return; | |
1267 | ||
da8ba01d AJ |
1268 | /* |
1269 | * Blacklist for setting cpufv (cpu speed). | |
1270 | * | |
1271 | * EeePC 4G ("701") implements CFVS, but it is not supported | |
1272 | * by the pre-installed OS, and the original option to change it | |
1273 | * in the BIOS setup screen was removed in later versions. | |
1274 | * | |
1275 | * Judging by the lack of "Super Hybrid Engine" on Asus product pages, | |
1276 | * this applies to all "701" models (4G/4G Surf/2G Surf). | |
1277 | * | |
1278 | * So Asus made a deliberate decision not to support it on this model. | |
1279 | * We have several reports that using it can cause the system to hang | |
1280 | * | |
1281 | * The hang has also been reported on a "702" (Model name "8G"?). | |
1282 | * | |
1283 | * We avoid dmi_check_system() / dmi_match(), because they use | |
1284 | * substring matching. We don't want to affect the "701SD" | |
1285 | * and "701SDX" models, because they do support S.H.E. | |
1286 | */ | |
da8ba01d AJ |
1287 | if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { |
1288 | eeepc->cpufv_disabled = true; | |
1289 | pr_info("model %s does not officially support setting cpu " | |
1290 | "speed\n", model); | |
1291 | pr_info("cpufv disabled to avoid instability\n"); | |
1292 | } | |
10ae4b56 CC |
1293 | |
1294 | /* | |
1295 | * Blacklist for wlan hotplug | |
1296 | * | |
1297 | * Eeepc 1005HA doesn't work like others models and don't need the | |
1298 | * hotplug code. In fact, current hotplug code seems to unplug another | |
1299 | * device... | |
1300 | */ | |
ced69c59 AJ |
1301 | if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 || |
1302 | strcmp(model, "1005PE") == 0) { | |
10ae4b56 CC |
1303 | eeepc->hotplug_disabled = true; |
1304 | pr_info("wlan hotplug disabled\n"); | |
1305 | } | |
da8ba01d AJ |
1306 | } |
1307 | ||
854c7836 | 1308 | static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) |
52bbe3c7 AJ |
1309 | { |
1310 | int dummy; | |
1311 | ||
1312 | /* Some BIOSes do not report cm although it is avaliable. | |
1313 | Check if cm_getv[cm] works and, if yes, assume cm should be set. */ | |
a7624b63 AJ |
1314 | if (!(eeepc->cm_supported & (1 << cm)) |
1315 | && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { | |
52bbe3c7 AJ |
1316 | pr_info("%s (%x) not reported by BIOS," |
1317 | " enabling anyway\n", name, 1 << cm); | |
a7624b63 | 1318 | eeepc->cm_supported |= 1 << cm; |
52bbe3c7 AJ |
1319 | } |
1320 | } | |
1321 | ||
854c7836 | 1322 | static void cmsg_quirks(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1323 | { |
854c7836 AJ |
1324 | cmsg_quirk(eeepc, CM_ASL_LID, "LID"); |
1325 | cmsg_quirk(eeepc, CM_ASL_TYPE, "TYPE"); | |
1326 | cmsg_quirk(eeepc, CM_ASL_PANELPOWER, "PANELPOWER"); | |
1327 | cmsg_quirk(eeepc, CM_ASL_TPD, "TPD"); | |
52bbe3c7 AJ |
1328 | } |
1329 | ||
f90be874 CC |
1330 | static int eeepc_acpi_init(struct eeepc_laptop *eeepc, |
1331 | struct acpi_device *device) | |
52bbe3c7 AJ |
1332 | { |
1333 | unsigned int init_flags; | |
e59f8796 EC |
1334 | int result; |
1335 | ||
854c7836 | 1336 | result = acpi_bus_get_status(device); |
1e779854 | 1337 | if (result) |
52bbe3c7 | 1338 | return result; |
854c7836 | 1339 | if (!device->status.present) { |
52bbe3c7 AJ |
1340 | pr_err("Hotkey device not present, aborting\n"); |
1341 | return -ENODEV; | |
1342 | } | |
cede2cb6 | 1343 | |
52bbe3c7 AJ |
1344 | init_flags = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; |
1345 | pr_notice("Hotkey init flags 0x%x\n", init_flags); | |
1346 | ||
a7624b63 | 1347 | if (write_acpi_int(eeepc->handle, "INIT", init_flags)) { |
52bbe3c7 AJ |
1348 | pr_err("Hotkey initialization failed\n"); |
1349 | return -ENODEV; | |
e59f8796 | 1350 | } |
52bbe3c7 AJ |
1351 | |
1352 | /* get control methods supported */ | |
a7624b63 | 1353 | if (read_acpi_int(eeepc->handle, "CMSG", &eeepc->cm_supported)) { |
52bbe3c7 AJ |
1354 | pr_err("Get control methods supported failed\n"); |
1355 | return -ENODEV; | |
dc56ad9b | 1356 | } |
854c7836 | 1357 | cmsg_quirks(eeepc); |
a7624b63 | 1358 | pr_info("Get control methods supported: 0x%x\n", eeepc->cm_supported); |
2b56f1c1 | 1359 | |
3c0eb510 CC |
1360 | return 0; |
1361 | } | |
1362 | ||
854c7836 | 1363 | static void __devinit eeepc_enable_camera(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
1364 | { |
1365 | /* | |
1366 | * If the following call to set_acpi() fails, it's because there's no | |
1367 | * camera so we can ignore the error. | |
1368 | */ | |
854c7836 AJ |
1369 | if (get_acpi(eeepc, CM_ASL_CAMERA) == 0) |
1370 | set_acpi(eeepc, CM_ASL_CAMERA, 1); | |
52bbe3c7 AJ |
1371 | } |
1372 | ||
854c7836 AJ |
1373 | static bool eeepc_device_present; |
1374 | ||
a7624b63 | 1375 | static int __devinit eeepc_acpi_add(struct acpi_device *device) |
e59f8796 | 1376 | { |
854c7836 | 1377 | struct eeepc_laptop *eeepc; |
e59f8796 EC |
1378 | int result; |
1379 | ||
a7624b63 AJ |
1380 | pr_notice(EEEPC_LAPTOP_NAME "\n"); |
1381 | eeepc = kzalloc(sizeof(struct eeepc_laptop), GFP_KERNEL); | |
1382 | if (!eeepc) | |
1e779854 | 1383 | return -ENOMEM; |
a7624b63 AJ |
1384 | eeepc->handle = device->handle; |
1385 | strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME); | |
1386 | strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); | |
1387 | device->driver_data = eeepc; | |
cede2cb6 | 1388 | |
322a1356 CC |
1389 | eeepc->hotplug_disabled = hotplug_disabled; |
1390 | ||
da8ba01d AJ |
1391 | eeepc_dmi_check(eeepc); |
1392 | ||
854c7836 | 1393 | result = eeepc_acpi_init(eeepc, device); |
e59f8796 | 1394 | if (result) |
9db106be | 1395 | goto fail_platform; |
854c7836 | 1396 | eeepc_enable_camera(eeepc); |
7de39389 | 1397 | |
854c7836 AJ |
1398 | /* |
1399 | * Register the platform device first. It is used as a parent for the | |
1400 | * sub-devices below. | |
1401 | * | |
1402 | * Note that if there are multiple instances of this ACPI device it | |
1403 | * will bail out, because the platform device is registered with a | |
1404 | * fixed name. Of course it doesn't make sense to have more than one, | |
1405 | * and machine-specific scripts find the fixed name convenient. But | |
1406 | * It's also good for us to exclude multiple instances because both | |
1407 | * our hwmon and our wlan rfkill subdevice use global ACPI objects | |
1408 | * (the EC and the wlan PCI slot respectively). | |
1409 | */ | |
1410 | result = eeepc_platform_init(eeepc); | |
e59f8796 | 1411 | if (result) |
9db106be | 1412 | goto fail_platform; |
1ddec2f9 CC |
1413 | |
1414 | if (!acpi_video_backlight_support()) { | |
854c7836 | 1415 | result = eeepc_backlight_init(eeepc); |
1ddec2f9 CC |
1416 | if (result) |
1417 | goto fail_backlight; | |
1418 | } else | |
9db106be | 1419 | pr_info("Backlight controlled by ACPI video driver\n"); |
1ddec2f9 | 1420 | |
854c7836 | 1421 | result = eeepc_input_init(eeepc); |
f2a9d5e8 AJ |
1422 | if (result) |
1423 | goto fail_input; | |
1424 | ||
854c7836 | 1425 | result = eeepc_hwmon_init(eeepc); |
1ddec2f9 CC |
1426 | if (result) |
1427 | goto fail_hwmon; | |
1428 | ||
854c7836 | 1429 | result = eeepc_led_init(eeepc); |
3c0eb510 CC |
1430 | if (result) |
1431 | goto fail_led; | |
1432 | ||
854c7836 | 1433 | result = eeepc_rfkill_init(eeepc); |
7de39389 CC |
1434 | if (result) |
1435 | goto fail_rfkill; | |
1436 | ||
854c7836 | 1437 | eeepc_device_present = true; |
e59f8796 | 1438 | return 0; |
1e779854 | 1439 | |
7de39389 | 1440 | fail_rfkill: |
854c7836 | 1441 | eeepc_led_exit(eeepc); |
3c0eb510 | 1442 | fail_led: |
854c7836 | 1443 | eeepc_hwmon_exit(eeepc); |
1ddec2f9 | 1444 | fail_hwmon: |
854c7836 | 1445 | eeepc_input_exit(eeepc); |
f2a9d5e8 | 1446 | fail_input: |
854c7836 | 1447 | eeepc_backlight_exit(eeepc); |
1ddec2f9 | 1448 | fail_backlight: |
854c7836 | 1449 | eeepc_platform_exit(eeepc); |
9db106be | 1450 | fail_platform: |
a7624b63 | 1451 | kfree(eeepc); |
1e779854 | 1452 | |
e59f8796 EC |
1453 | return result; |
1454 | } | |
1455 | ||
a7624b63 | 1456 | static int eeepc_acpi_remove(struct acpi_device *device, int type) |
1e779854 | 1457 | { |
854c7836 | 1458 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
1e779854 | 1459 | |
854c7836 AJ |
1460 | eeepc_backlight_exit(eeepc); |
1461 | eeepc_rfkill_exit(eeepc); | |
1462 | eeepc_input_exit(eeepc); | |
1463 | eeepc_hwmon_exit(eeepc); | |
1464 | eeepc_led_exit(eeepc); | |
1465 | eeepc_platform_exit(eeepc); | |
1e779854 | 1466 | |
a7624b63 | 1467 | kfree(eeepc); |
1e779854 AJ |
1468 | return 0; |
1469 | } | |
1470 | ||
52bbe3c7 AJ |
1471 | |
1472 | static const struct acpi_device_id eeepc_device_ids[] = { | |
a7624b63 | 1473 | {EEEPC_ACPI_HID, 0}, |
52bbe3c7 AJ |
1474 | {"", 0}, |
1475 | }; | |
1476 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); | |
1477 | ||
a7624b63 AJ |
1478 | static struct acpi_driver eeepc_acpi_driver = { |
1479 | .name = EEEPC_LAPTOP_NAME, | |
1480 | .class = EEEPC_ACPI_CLASS, | |
52bbe3c7 AJ |
1481 | .owner = THIS_MODULE, |
1482 | .ids = eeepc_device_ids, | |
1483 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1484 | .ops = { | |
a7624b63 AJ |
1485 | .add = eeepc_acpi_add, |
1486 | .remove = eeepc_acpi_remove, | |
1487 | .notify = eeepc_acpi_notify, | |
52bbe3c7 AJ |
1488 | }, |
1489 | }; | |
1490 | ||
1491 | ||
1e779854 AJ |
1492 | static int __init eeepc_laptop_init(void) |
1493 | { | |
1494 | int result; | |
1495 | ||
22072e92 | 1496 | result = platform_driver_register(&platform_driver); |
1e779854 AJ |
1497 | if (result < 0) |
1498 | return result; | |
22072e92 | 1499 | |
a7624b63 | 1500 | result = acpi_bus_register_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1501 | if (result < 0) |
1502 | goto fail_acpi_driver; | |
642e0447 | 1503 | |
854c7836 | 1504 | if (!eeepc_device_present) { |
22072e92 AJ |
1505 | result = -ENODEV; |
1506 | goto fail_no_device; | |
1e779854 | 1507 | } |
642e0447 | 1508 | |
1e779854 | 1509 | return 0; |
22072e92 AJ |
1510 | |
1511 | fail_no_device: | |
a7624b63 | 1512 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1513 | fail_acpi_driver: |
1514 | platform_driver_unregister(&platform_driver); | |
1515 | return result; | |
1e779854 AJ |
1516 | } |
1517 | ||
1518 | static void __exit eeepc_laptop_exit(void) | |
1519 | { | |
a7624b63 | 1520 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 | 1521 | platform_driver_unregister(&platform_driver); |
1e779854 AJ |
1522 | } |
1523 | ||
e59f8796 EC |
1524 | module_init(eeepc_laptop_init); |
1525 | module_exit(eeepc_laptop_exit); |