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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> |
8b48463f | 31 | #include <linux/acpi.h> |
e59f8796 | 32 | #include <linux/uaccess.h> |
a195dcdc | 33 | #include <linux/input.h> |
642e0447 | 34 | #include <linux/input/sparse-keymap.h> |
a195dcdc | 35 | #include <linux/rfkill.h> |
5740294c | 36 | #include <linux/pci.h> |
2b121bc2 | 37 | #include <linux/pci_hotplug.h> |
3c0eb510 | 38 | #include <linux/leds.h> |
da8ba01d | 39 | #include <linux/dmi.h> |
e59f8796 EC |
40 | |
41 | #define EEEPC_LAPTOP_VERSION "0.1" | |
a7624b63 AJ |
42 | #define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver" |
43 | #define EEEPC_LAPTOP_FILE "eeepc" | |
e59f8796 | 44 | |
a7624b63 AJ |
45 | #define EEEPC_ACPI_CLASS "hotkey" |
46 | #define EEEPC_ACPI_DEVICE_NAME "Hotkey" | |
47 | #define EEEPC_ACPI_HID "ASUS010" | |
e59f8796 | 48 | |
52bbe3c7 | 49 | MODULE_AUTHOR("Corentin Chary, Eric Cooper"); |
a7624b63 | 50 | MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME); |
52bbe3c7 | 51 | MODULE_LICENSE("GPL"); |
e59f8796 | 52 | |
322a1356 CC |
53 | static bool hotplug_disabled; |
54 | ||
bfa47960 | 55 | module_param(hotplug_disabled, bool, 0444); |
322a1356 CC |
56 | MODULE_PARM_DESC(hotplug_disabled, |
57 | "Disable hotplug for wireless device. " | |
58 | "If your laptop need that, please report to " | |
59 | "acpi4asus-user@lists.sourceforge.net."); | |
60 | ||
e59f8796 EC |
61 | /* |
62 | * Definitions for Asus EeePC | |
63 | */ | |
a5fa429b CC |
64 | #define NOTIFY_BRN_MIN 0x20 |
65 | #define NOTIFY_BRN_MAX 0x2f | |
e59f8796 EC |
66 | |
67 | enum { | |
68 | DISABLE_ASL_WLAN = 0x0001, | |
69 | DISABLE_ASL_BLUETOOTH = 0x0002, | |
70 | DISABLE_ASL_IRDA = 0x0004, | |
71 | DISABLE_ASL_CAMERA = 0x0008, | |
72 | DISABLE_ASL_TV = 0x0010, | |
73 | DISABLE_ASL_GPS = 0x0020, | |
74 | DISABLE_ASL_DISPLAYSWITCH = 0x0040, | |
75 | DISABLE_ASL_MODEM = 0x0080, | |
b7b700d4 CC |
76 | DISABLE_ASL_CARDREADER = 0x0100, |
77 | DISABLE_ASL_3G = 0x0200, | |
78 | DISABLE_ASL_WIMAX = 0x0400, | |
79 | DISABLE_ASL_HWCF = 0x0800 | |
e59f8796 EC |
80 | }; |
81 | ||
82 | enum { | |
83 | CM_ASL_WLAN = 0, | |
84 | CM_ASL_BLUETOOTH, | |
85 | CM_ASL_IRDA, | |
86 | CM_ASL_1394, | |
87 | CM_ASL_CAMERA, | |
88 | CM_ASL_TV, | |
89 | CM_ASL_GPS, | |
90 | CM_ASL_DVDROM, | |
91 | CM_ASL_DISPLAYSWITCH, | |
92 | CM_ASL_PANELBRIGHT, | |
93 | CM_ASL_BIOSFLASH, | |
94 | CM_ASL_ACPIFLASH, | |
95 | CM_ASL_CPUFV, | |
96 | CM_ASL_CPUTEMPERATURE, | |
97 | CM_ASL_FANCPU, | |
98 | CM_ASL_FANCHASSIS, | |
99 | CM_ASL_USBPORT1, | |
100 | CM_ASL_USBPORT2, | |
101 | CM_ASL_USBPORT3, | |
102 | CM_ASL_MODEM, | |
103 | CM_ASL_CARDREADER, | |
b7b700d4 CC |
104 | CM_ASL_3G, |
105 | CM_ASL_WIMAX, | |
106 | CM_ASL_HWCF, | |
107 | CM_ASL_LID, | |
108 | CM_ASL_TYPE, | |
109 | CM_ASL_PANELPOWER, /*P901*/ | |
110 | CM_ASL_TPD | |
e59f8796 EC |
111 | }; |
112 | ||
14109461 | 113 | static const char *cm_getv[] = { |
3af9bfcb | 114 | "WLDG", "BTHG", NULL, NULL, |
e59f8796 EC |
115 | "CAMG", NULL, NULL, NULL, |
116 | NULL, "PBLG", NULL, NULL, | |
117 | "CFVG", NULL, NULL, NULL, | |
118 | "USBG", NULL, NULL, "MODG", | |
b7b700d4 CC |
119 | "CRDG", "M3GG", "WIMG", "HWCF", |
120 | "LIDG", "TYPE", "PBPG", "TPDG" | |
e59f8796 EC |
121 | }; |
122 | ||
14109461 | 123 | static const char *cm_setv[] = { |
3af9bfcb | 124 | "WLDS", "BTHS", NULL, NULL, |
e59f8796 EC |
125 | "CAMS", NULL, NULL, NULL, |
126 | "SDSP", "PBLS", "HDPS", NULL, | |
127 | "CFVS", NULL, NULL, NULL, | |
128 | "USBG", NULL, NULL, "MODS", | |
b7b700d4 CC |
129 | "CRDS", "M3GS", "WIMS", NULL, |
130 | NULL, NULL, "PBPS", "TPDS" | |
e59f8796 EC |
131 | }; |
132 | ||
854c7836 | 133 | static const struct key_entry eeepc_keymap[] = { |
642e0447 DT |
134 | { KE_KEY, 0x10, { KEY_WLAN } }, |
135 | { KE_KEY, 0x11, { KEY_WLAN } }, | |
136 | { KE_KEY, 0x12, { KEY_PROG1 } }, | |
137 | { KE_KEY, 0x13, { KEY_MUTE } }, | |
138 | { KE_KEY, 0x14, { KEY_VOLUMEDOWN } }, | |
139 | { KE_KEY, 0x15, { KEY_VOLUMEUP } }, | |
140 | { KE_KEY, 0x16, { KEY_DISPLAY_OFF } }, | |
141 | { KE_KEY, 0x1a, { KEY_COFFEE } }, | |
142 | { KE_KEY, 0x1b, { KEY_ZOOM } }, | |
143 | { KE_KEY, 0x1c, { KEY_PROG2 } }, | |
144 | { KE_KEY, 0x1d, { KEY_PROG3 } }, | |
145 | { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } }, | |
146 | { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } }, | |
147 | { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } }, | |
148 | { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } }, | |
149 | { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } }, | |
150 | { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */ | |
151 | { KE_KEY, 0x38, { KEY_F14 } }, | |
152 | { KE_END, 0 }, | |
a195dcdc MG |
153 | }; |
154 | ||
e59f8796 | 155 | /* |
52bbe3c7 | 156 | * This is the main structure, we can use it to store useful information |
e59f8796 | 157 | */ |
a7624b63 | 158 | struct eeepc_laptop { |
854c7836 | 159 | acpi_handle handle; /* the handle of the acpi device */ |
52bbe3c7 AJ |
160 | u32 cm_supported; /* the control methods supported |
161 | by this BIOS */ | |
da8ba01d | 162 | bool cpufv_disabled; |
10ae4b56 | 163 | bool hotplug_disabled; |
52bbe3c7 | 164 | u16 event_count[128]; /* count for each event */ |
e59f8796 | 165 | |
854c7836 | 166 | struct platform_device *platform_device; |
71e687dc | 167 | struct acpi_device *device; /* the device we are in */ |
854c7836 | 168 | struct backlight_device *backlight_device; |
2b121bc2 | 169 | |
52bbe3c7 | 170 | struct input_dev *inputdev; |
2b121bc2 | 171 | |
52bbe3c7 AJ |
172 | struct rfkill *wlan_rfkill; |
173 | struct rfkill *bluetooth_rfkill; | |
174 | struct rfkill *wwan3g_rfkill; | |
175 | struct rfkill *wimax_rfkill; | |
a5fa429b | 176 | |
52bbe3c7 AJ |
177 | struct hotplug_slot *hotplug_slot; |
178 | struct mutex hotplug_lock; | |
e1faa9da | 179 | |
854c7836 AJ |
180 | struct led_classdev tpd_led; |
181 | int tpd_led_wk; | |
182 | struct workqueue_struct *led_workqueue; | |
183 | struct work_struct tpd_led_work; | |
a5fa429b CC |
184 | }; |
185 | ||
e59f8796 EC |
186 | /* |
187 | * ACPI Helpers | |
188 | */ | |
6b188a7b | 189 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
e59f8796 | 190 | { |
e59f8796 EC |
191 | acpi_status status; |
192 | ||
fca41991 | 193 | status = acpi_execute_simple_method(handle, (char *)method, val); |
e59f8796 | 194 | |
e59f8796 EC |
195 | return (status == AE_OK ? 0 : -1); |
196 | } | |
197 | ||
198 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) | |
199 | { | |
200 | acpi_status status; | |
27663c58 | 201 | unsigned long long result; |
e59f8796 EC |
202 | |
203 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
204 | if (ACPI_FAILURE(status)) { | |
205 | *val = -1; | |
206 | return -1; | |
207 | } else { | |
208 | *val = result; | |
209 | return 0; | |
210 | } | |
211 | } | |
212 | ||
854c7836 | 213 | static int set_acpi(struct eeepc_laptop *eeepc, int cm, int value) |
e59f8796 | 214 | { |
13f70029 | 215 | const char *method = cm_setv[cm]; |
e59f8796 | 216 | |
13f70029 AJ |
217 | if (method == NULL) |
218 | return -ENODEV; | |
a7624b63 | 219 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 220 | return -ENODEV; |
a5fa429b | 221 | |
a7624b63 | 222 | if (write_acpi_int(eeepc->handle, method, value)) |
22441ffe | 223 | pr_warn("Error writing %s\n", method); |
e59f8796 | 224 | return 0; |
a5fa429b CC |
225 | } |
226 | ||
854c7836 | 227 | static int get_acpi(struct eeepc_laptop *eeepc, int cm) |
a5fa429b | 228 | { |
13f70029 AJ |
229 | const char *method = cm_getv[cm]; |
230 | int value; | |
a5fa429b | 231 | |
13f70029 AJ |
232 | if (method == NULL) |
233 | return -ENODEV; | |
a7624b63 | 234 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 235 | return -ENODEV; |
a195dcdc | 236 | |
a7624b63 | 237 | if (read_acpi_int(eeepc->handle, method, &value)) |
22441ffe | 238 | pr_warn("Error reading %s\n", method); |
e59f8796 | 239 | return value; |
a195dcdc MG |
240 | } |
241 | ||
f90be874 CC |
242 | static int acpi_setter_handle(struct eeepc_laptop *eeepc, int cm, |
243 | acpi_handle *handle) | |
a195dcdc | 244 | { |
854c7836 AJ |
245 | const char *method = cm_setv[cm]; |
246 | acpi_status status; | |
a195dcdc | 247 | |
854c7836 AJ |
248 | if (method == NULL) |
249 | return -ENODEV; | |
250 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) | |
251 | return -ENODEV; | |
a195dcdc | 252 | |
854c7836 | 253 | status = acpi_get_handle(eeepc->handle, (char *)method, |
f90be874 | 254 | handle); |
854c7836 | 255 | if (status != AE_OK) { |
22441ffe | 256 | pr_warn("Error finding %s\n", method); |
854c7836 AJ |
257 | return -ENODEV; |
258 | } | |
259 | return 0; | |
cede2cb6 PE |
260 | } |
261 | ||
854c7836 | 262 | |
e59f8796 EC |
263 | /* |
264 | * Sys helpers | |
265 | */ | |
95369a73 | 266 | static int parse_arg(const char *buf, int *val) |
e59f8796 | 267 | { |
e59f8796 EC |
268 | if (sscanf(buf, "%i", val) != 1) |
269 | return -EINVAL; | |
95369a73 | 270 | return 0; |
e59f8796 EC |
271 | } |
272 | ||
854c7836 AJ |
273 | static ssize_t store_sys_acpi(struct device *dev, int cm, |
274 | const char *buf, size_t count) | |
e59f8796 | 275 | { |
854c7836 | 276 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
e59f8796 EC |
277 | int rv, value; |
278 | ||
95369a73 PB |
279 | rv = parse_arg(buf, &value); |
280 | if (rv < 0) | |
281 | return rv; | |
282 | rv = set_acpi(eeepc, cm, value); | |
283 | if (rv < 0) | |
6dff29b6 | 284 | return -EIO; |
95369a73 | 285 | return count; |
e59f8796 EC |
286 | } |
287 | ||
854c7836 | 288 | static ssize_t show_sys_acpi(struct device *dev, int cm, char *buf) |
e59f8796 | 289 | { |
854c7836 AJ |
290 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
291 | int value = get_acpi(eeepc, cm); | |
f36509e7 CC |
292 | |
293 | if (value < 0) | |
6dff29b6 | 294 | return -EIO; |
f36509e7 | 295 | return sprintf(buf, "%d\n", value); |
e59f8796 EC |
296 | } |
297 | ||
97971325 | 298 | #define EEEPC_ACPI_SHOW_FUNC(_name, _cm) \ |
8c72fc8b | 299 | static ssize_t _name##_show(struct device *dev, \ |
e59f8796 EC |
300 | struct device_attribute *attr, \ |
301 | char *buf) \ | |
302 | { \ | |
854c7836 | 303 | return show_sys_acpi(dev, _cm, buf); \ |
97971325 FK |
304 | } |
305 | ||
306 | #define EEEPC_ACPI_STORE_FUNC(_name, _cm) \ | |
8c72fc8b | 307 | static ssize_t _name##_store(struct device *dev, \ |
e59f8796 EC |
308 | struct device_attribute *attr, \ |
309 | const char *buf, size_t count) \ | |
310 | { \ | |
854c7836 | 311 | return store_sys_acpi(dev, _cm, buf, count); \ |
97971325 FK |
312 | } |
313 | ||
6fe3a77f | 314 | #define EEEPC_CREATE_DEVICE_ATTR_RW(_name, _cm) \ |
97971325 FK |
315 | EEEPC_ACPI_SHOW_FUNC(_name, _cm) \ |
316 | EEEPC_ACPI_STORE_FUNC(_name, _cm) \ | |
6fe3a77f | 317 | static DEVICE_ATTR_RW(_name) |
e59f8796 | 318 | |
6fe3a77f FK |
319 | #define EEEPC_CREATE_DEVICE_ATTR_WO(_name, _cm) \ |
320 | EEEPC_ACPI_STORE_FUNC(_name, _cm) \ | |
321 | static DEVICE_ATTR_WO(_name) | |
322 | ||
323 | EEEPC_CREATE_DEVICE_ATTR_RW(camera, CM_ASL_CAMERA); | |
324 | EEEPC_CREATE_DEVICE_ATTR_RW(cardr, CM_ASL_CARDREADER); | |
325 | EEEPC_CREATE_DEVICE_ATTR_WO(disp, CM_ASL_DISPLAYSWITCH); | |
b31d0fde CC |
326 | |
327 | struct eeepc_cpufv { | |
328 | int num; | |
329 | int cur; | |
330 | }; | |
331 | ||
854c7836 | 332 | static int get_cpufv(struct eeepc_laptop *eeepc, struct eeepc_cpufv *c) |
b31d0fde | 333 | { |
854c7836 | 334 | c->cur = get_acpi(eeepc, CM_ASL_CPUFV); |
b31d0fde CC |
335 | c->num = (c->cur >> 8) & 0xff; |
336 | c->cur &= 0xff; | |
337 | if (c->cur < 0 || c->num <= 0 || c->num > 12) | |
338 | return -ENODEV; | |
339 | return 0; | |
340 | } | |
341 | ||
8c72fc8b | 342 | static ssize_t available_cpufv_show(struct device *dev, |
b31d0fde CC |
343 | struct device_attribute *attr, |
344 | char *buf) | |
345 | { | |
854c7836 | 346 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
347 | struct eeepc_cpufv c; |
348 | int i; | |
349 | ssize_t len = 0; | |
350 | ||
854c7836 | 351 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
352 | return -ENODEV; |
353 | for (i = 0; i < c.num; i++) | |
354 | len += sprintf(buf + len, "%d ", i); | |
355 | len += sprintf(buf + len, "\n"); | |
356 | return len; | |
357 | } | |
358 | ||
8c72fc8b | 359 | static ssize_t cpufv_show(struct device *dev, |
b31d0fde CC |
360 | struct device_attribute *attr, |
361 | char *buf) | |
362 | { | |
854c7836 | 363 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
364 | struct eeepc_cpufv c; |
365 | ||
854c7836 | 366 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
367 | return -ENODEV; |
368 | return sprintf(buf, "%#x\n", (c.num << 8) | c.cur); | |
369 | } | |
370 | ||
8c72fc8b | 371 | static ssize_t cpufv_store(struct device *dev, |
b31d0fde CC |
372 | struct device_attribute *attr, |
373 | const char *buf, size_t count) | |
374 | { | |
854c7836 | 375 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
376 | struct eeepc_cpufv c; |
377 | int rv, value; | |
378 | ||
da8ba01d AJ |
379 | if (eeepc->cpufv_disabled) |
380 | return -EPERM; | |
854c7836 | 381 | if (get_cpufv(eeepc, &c)) |
b31d0fde | 382 | return -ENODEV; |
95369a73 | 383 | rv = parse_arg(buf, &value); |
b31d0fde CC |
384 | if (rv < 0) |
385 | return rv; | |
95369a73 | 386 | if (value < 0 || value >= c.num) |
b31d0fde | 387 | return -EINVAL; |
854c7836 | 388 | set_acpi(eeepc, CM_ASL_CPUFV, value); |
95369a73 | 389 | return count; |
b31d0fde CC |
390 | } |
391 | ||
8c72fc8b | 392 | static ssize_t cpufv_disabled_show(struct device *dev, |
da8ba01d AJ |
393 | struct device_attribute *attr, |
394 | char *buf) | |
395 | { | |
396 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
397 | ||
398 | return sprintf(buf, "%d\n", eeepc->cpufv_disabled); | |
399 | } | |
400 | ||
8c72fc8b | 401 | static ssize_t cpufv_disabled_store(struct device *dev, |
da8ba01d AJ |
402 | struct device_attribute *attr, |
403 | const char *buf, size_t count) | |
404 | { | |
405 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
406 | int rv, value; | |
407 | ||
95369a73 | 408 | rv = parse_arg(buf, &value); |
da8ba01d AJ |
409 | if (rv < 0) |
410 | return rv; | |
411 | ||
412 | switch (value) { | |
413 | case 0: | |
414 | if (eeepc->cpufv_disabled) | |
22441ffe | 415 | pr_warn("cpufv enabled (not officially supported " |
da8ba01d AJ |
416 | "on this model)\n"); |
417 | eeepc->cpufv_disabled = false; | |
95369a73 | 418 | return count; |
da8ba01d AJ |
419 | case 1: |
420 | return -EPERM; | |
421 | default: | |
422 | return -EINVAL; | |
423 | } | |
424 | } | |
425 | ||
426 | ||
bb382dba FK |
427 | static DEVICE_ATTR_RW(cpufv); |
428 | static DEVICE_ATTR_RO(available_cpufv); | |
429 | static DEVICE_ATTR_RW(cpufv_disabled); | |
da8ba01d | 430 | |
e59f8796 EC |
431 | static struct attribute *platform_attributes[] = { |
432 | &dev_attr_camera.attr, | |
433 | &dev_attr_cardr.attr, | |
434 | &dev_attr_disp.attr, | |
158ca1d7 | 435 | &dev_attr_cpufv.attr, |
b31d0fde | 436 | &dev_attr_available_cpufv.attr, |
da8ba01d | 437 | &dev_attr_cpufv_disabled.attr, |
e59f8796 EC |
438 | NULL |
439 | }; | |
440 | ||
441 | static struct attribute_group platform_attribute_group = { | |
442 | .attrs = platform_attributes | |
443 | }; | |
444 | ||
854c7836 | 445 | static int eeepc_platform_init(struct eeepc_laptop *eeepc) |
a195dcdc | 446 | { |
9db106be | 447 | int result; |
a195dcdc | 448 | |
854c7836 AJ |
449 | eeepc->platform_device = platform_device_alloc(EEEPC_LAPTOP_FILE, -1); |
450 | if (!eeepc->platform_device) | |
9db106be | 451 | return -ENOMEM; |
854c7836 | 452 | platform_set_drvdata(eeepc->platform_device, eeepc); |
a195dcdc | 453 | |
854c7836 | 454 | result = platform_device_add(eeepc->platform_device); |
9db106be AJ |
455 | if (result) |
456 | goto fail_platform_device; | |
a195dcdc | 457 | |
854c7836 | 458 | result = sysfs_create_group(&eeepc->platform_device->dev.kobj, |
9db106be AJ |
459 | &platform_attribute_group); |
460 | if (result) | |
461 | goto fail_sysfs; | |
462 | return 0; | |
a195dcdc | 463 | |
9db106be | 464 | fail_sysfs: |
854c7836 | 465 | platform_device_del(eeepc->platform_device); |
9db106be | 466 | fail_platform_device: |
854c7836 | 467 | platform_device_put(eeepc->platform_device); |
9db106be | 468 | return result; |
a195dcdc MG |
469 | } |
470 | ||
854c7836 | 471 | static void eeepc_platform_exit(struct eeepc_laptop *eeepc) |
a195dcdc | 472 | { |
854c7836 | 473 | sysfs_remove_group(&eeepc->platform_device->dev.kobj, |
9db106be | 474 | &platform_attribute_group); |
854c7836 | 475 | platform_device_unregister(eeepc->platform_device); |
9db106be | 476 | } |
a195dcdc | 477 | |
3c0eb510 CC |
478 | /* |
479 | * LEDs | |
480 | */ | |
481 | /* | |
482 | * These functions actually update the LED's, and are called from a | |
483 | * workqueue. By doing this as separate work rather than when the LED | |
484 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
485 | * potentially bad time, such as a timer interrupt. | |
486 | */ | |
854c7836 AJ |
487 | static void tpd_led_update(struct work_struct *work) |
488 | { | |
489 | struct eeepc_laptop *eeepc; | |
a195dcdc | 490 | |
854c7836 | 491 | eeepc = container_of(work, struct eeepc_laptop, tpd_led_work); |
3c0eb510 | 492 | |
854c7836 | 493 | set_acpi(eeepc, CM_ASL_TPD, eeepc->tpd_led_wk); |
a195dcdc MG |
494 | } |
495 | ||
3c0eb510 CC |
496 | static void tpd_led_set(struct led_classdev *led_cdev, |
497 | enum led_brightness value) | |
a195dcdc | 498 | { |
854c7836 | 499 | struct eeepc_laptop *eeepc; |
a195dcdc | 500 | |
854c7836 | 501 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
a195dcdc | 502 | |
854c7836 AJ |
503 | eeepc->tpd_led_wk = (value > 0) ? 1 : 0; |
504 | queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); | |
a195dcdc MG |
505 | } |
506 | ||
62a75d83 CC |
507 | static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) |
508 | { | |
509 | struct eeepc_laptop *eeepc; | |
510 | ||
511 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); | |
512 | ||
513 | return get_acpi(eeepc, CM_ASL_TPD); | |
514 | } | |
515 | ||
854c7836 | 516 | static int eeepc_led_init(struct eeepc_laptop *eeepc) |
dbfa3ba9 | 517 | { |
52bbe3c7 | 518 | int rv; |
dbfa3ba9 | 519 | |
854c7836 | 520 | if (get_acpi(eeepc, CM_ASL_TPD) == -ENODEV) |
52bbe3c7 | 521 | return 0; |
dbfa3ba9 | 522 | |
854c7836 AJ |
523 | eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
524 | if (!eeepc->led_workqueue) | |
52bbe3c7 | 525 | return -ENOMEM; |
854c7836 | 526 | INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); |
dbfa3ba9 | 527 | |
854c7836 AJ |
528 | eeepc->tpd_led.name = "eeepc::touchpad"; |
529 | eeepc->tpd_led.brightness_set = tpd_led_set; | |
62a75d83 | 530 | if (get_acpi(eeepc, CM_ASL_TPD) >= 0) /* if method is available */ |
39a3e17e | 531 | eeepc->tpd_led.brightness_get = tpd_led_get; |
854c7836 | 532 | eeepc->tpd_led.max_brightness = 1; |
e59f8796 | 533 | |
854c7836 AJ |
534 | rv = led_classdev_register(&eeepc->platform_device->dev, |
535 | &eeepc->tpd_led); | |
52bbe3c7 | 536 | if (rv) { |
854c7836 | 537 | destroy_workqueue(eeepc->led_workqueue); |
52bbe3c7 | 538 | return rv; |
e59f8796 | 539 | } |
a195dcdc | 540 | |
e59f8796 EC |
541 | return 0; |
542 | } | |
543 | ||
854c7836 | 544 | static void eeepc_led_exit(struct eeepc_laptop *eeepc) |
a5fa429b | 545 | { |
5d6afd15 | 546 | if (!IS_ERR_OR_NULL(eeepc->tpd_led.dev)) |
854c7836 AJ |
547 | led_classdev_unregister(&eeepc->tpd_led); |
548 | if (eeepc->led_workqueue) | |
549 | destroy_workqueue(eeepc->led_workqueue); | |
a5fa429b CC |
550 | } |
551 | ||
2b121bc2 | 552 | |
52bbe3c7 AJ |
553 | /* |
554 | * PCI hotplug (for wlan rfkill) | |
555 | */ | |
854c7836 | 556 | static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) |
52bbe3c7 | 557 | { |
854c7836 | 558 | if (get_acpi(eeepc, CM_ASL_WLAN) == 1) |
52bbe3c7 AJ |
559 | return false; |
560 | return true; | |
2b121bc2 CC |
561 | } |
562 | ||
14fdb152 | 563 | static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) |
5740294c | 564 | { |
14fdb152 | 565 | struct pci_dev *port; |
5740294c | 566 | struct pci_dev *dev; |
6d41839e | 567 | struct pci_bus *bus; |
854c7836 | 568 | bool blocked = eeepc_wlan_rfkill_blocked(eeepc); |
bc9d24a3 AJ |
569 | bool absent; |
570 | u32 l; | |
5740294c | 571 | |
a7624b63 AJ |
572 | if (eeepc->wlan_rfkill) |
573 | rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); | |
6d41839e | 574 | |
a7624b63 | 575 | mutex_lock(&eeepc->hotplug_lock); |
8b9ec1da | 576 | pci_lock_rescan_remove(); |
dcf443b5 | 577 | |
a7624b63 | 578 | if (eeepc->hotplug_slot) { |
14fdb152 MG |
579 | port = acpi_get_pci_dev(handle); |
580 | if (!port) { | |
581 | pr_warning("Unable to find port\n"); | |
582 | goto out_unlock; | |
583 | } | |
584 | ||
585 | bus = port->subordinate; | |
586 | ||
07e84aa9 | 587 | if (!bus) { |
22441ffe | 588 | pr_warn("Unable to find PCI bus 1?\n"); |
f661848b | 589 | goto out_put_dev; |
5740294c | 590 | } |
07e84aa9 | 591 | |
bc9d24a3 AJ |
592 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { |
593 | pr_err("Unable to read PCI config space?\n"); | |
f661848b | 594 | goto out_put_dev; |
bc9d24a3 | 595 | } |
14fdb152 | 596 | |
bc9d24a3 AJ |
597 | absent = (l == 0xffffffff); |
598 | ||
599 | if (blocked != absent) { | |
22441ffe JP |
600 | pr_warn("BIOS says wireless lan is %s, " |
601 | "but the pci device is %s\n", | |
bc9d24a3 AJ |
602 | blocked ? "blocked" : "unblocked", |
603 | absent ? "absent" : "present"); | |
22441ffe JP |
604 | pr_warn("skipped wireless hotplug as probably " |
605 | "inappropriate for this model\n"); | |
f661848b | 606 | goto out_put_dev; |
bc9d24a3 AJ |
607 | } |
608 | ||
07e84aa9 AJ |
609 | if (!blocked) { |
610 | dev = pci_get_slot(bus, 0); | |
611 | if (dev) { | |
612 | /* Device already present */ | |
613 | pci_dev_put(dev); | |
f661848b | 614 | goto out_put_dev; |
07e84aa9 AJ |
615 | } |
616 | dev = pci_scan_single_device(bus, 0); | |
617 | if (dev) { | |
618 | pci_bus_assign_resources(bus); | |
c893d133 | 619 | pci_bus_add_device(dev); |
07e84aa9 AJ |
620 | } |
621 | } else { | |
622 | dev = pci_get_slot(bus, 0); | |
623 | if (dev) { | |
210647af | 624 | pci_stop_and_remove_bus_device(dev); |
07e84aa9 AJ |
625 | pci_dev_put(dev); |
626 | } | |
5740294c | 627 | } |
f661848b JL |
628 | out_put_dev: |
629 | pci_dev_put(port); | |
5740294c | 630 | } |
dcf443b5 AJ |
631 | |
632 | out_unlock: | |
8b9ec1da | 633 | pci_unlock_rescan_remove(); |
a7624b63 | 634 | mutex_unlock(&eeepc->hotplug_lock); |
5740294c MG |
635 | } |
636 | ||
14fdb152 MG |
637 | static void eeepc_rfkill_hotplug_update(struct eeepc_laptop *eeepc, char *node) |
638 | { | |
639 | acpi_status status = AE_OK; | |
640 | acpi_handle handle; | |
641 | ||
642 | status = acpi_get_handle(NULL, node, &handle); | |
643 | ||
644 | if (ACPI_SUCCESS(status)) | |
645 | eeepc_rfkill_hotplug(eeepc, handle); | |
646 | } | |
647 | ||
96e9cfeb AJ |
648 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
649 | { | |
854c7836 AJ |
650 | struct eeepc_laptop *eeepc = data; |
651 | ||
96e9cfeb AJ |
652 | if (event != ACPI_NOTIFY_BUS_CHECK) |
653 | return; | |
654 | ||
14fdb152 | 655 | eeepc_rfkill_hotplug(eeepc, handle); |
e59f8796 EC |
656 | } |
657 | ||
854c7836 AJ |
658 | static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, |
659 | char *node) | |
5740294c | 660 | { |
854c7836 | 661 | acpi_status status; |
5740294c MG |
662 | acpi_handle handle; |
663 | ||
664 | status = acpi_get_handle(NULL, node, &handle); | |
665 | ||
666 | if (ACPI_SUCCESS(status)) { | |
667 | status = acpi_install_notify_handler(handle, | |
668 | ACPI_SYSTEM_NOTIFY, | |
669 | eeepc_rfkill_notify, | |
854c7836 | 670 | eeepc); |
5740294c | 671 | if (ACPI_FAILURE(status)) |
22441ffe JP |
672 | pr_warn("Failed to register notify on %s\n", node); |
673 | ||
14fdb152 MG |
674 | /* |
675 | * Refresh pci hotplug in case the rfkill state was | |
676 | * changed during setup. | |
677 | */ | |
678 | eeepc_rfkill_hotplug(eeepc, handle); | |
39a3e17e | 679 | } else { |
5740294c | 680 | return -ENODEV; |
39a3e17e | 681 | } |
5740294c MG |
682 | |
683 | return 0; | |
684 | } | |
685 | ||
854c7836 AJ |
686 | static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, |
687 | char *node) | |
5740294c MG |
688 | { |
689 | acpi_status status = AE_OK; | |
690 | acpi_handle handle; | |
691 | ||
692 | status = acpi_get_handle(NULL, node, &handle); | |
693 | ||
694 | if (ACPI_SUCCESS(status)) { | |
695 | status = acpi_remove_notify_handler(handle, | |
696 | ACPI_SYSTEM_NOTIFY, | |
697 | eeepc_rfkill_notify); | |
698 | if (ACPI_FAILURE(status)) | |
19b53289 | 699 | pr_err("Error removing rfkill notify handler %s\n", |
5740294c | 700 | node); |
14fdb152 MG |
701 | /* |
702 | * Refresh pci hotplug in case the rfkill | |
703 | * state was changed after | |
704 | * eeepc_unregister_rfkill_notifier() | |
705 | */ | |
706 | eeepc_rfkill_hotplug(eeepc, handle); | |
5740294c MG |
707 | } |
708 | } | |
709 | ||
52bbe3c7 AJ |
710 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
711 | u8 *value) | |
712 | { | |
854c7836 AJ |
713 | struct eeepc_laptop *eeepc = hotplug_slot->private; |
714 | int val = get_acpi(eeepc, CM_ASL_WLAN); | |
52bbe3c7 AJ |
715 | |
716 | if (val == 1 || val == 0) | |
717 | *value = val; | |
718 | else | |
719 | return -EINVAL; | |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
2b121bc2 CC |
724 | static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
725 | { | |
726 | kfree(hotplug_slot->info); | |
727 | kfree(hotplug_slot); | |
728 | } | |
729 | ||
52bbe3c7 AJ |
730 | static struct hotplug_slot_ops eeepc_hotplug_slot_ops = { |
731 | .owner = THIS_MODULE, | |
732 | .get_adapter_status = eeepc_get_adapter_status, | |
733 | .get_power_status = eeepc_get_adapter_status, | |
734 | }; | |
735 | ||
854c7836 | 736 | static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc) |
2b121bc2 CC |
737 | { |
738 | int ret = -ENOMEM; | |
739 | struct pci_bus *bus = pci_find_bus(0, 1); | |
740 | ||
741 | if (!bus) { | |
19b53289 | 742 | pr_err("Unable to find wifi PCI bus\n"); |
2b121bc2 CC |
743 | return -ENODEV; |
744 | } | |
745 | ||
a7624b63 AJ |
746 | eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
747 | if (!eeepc->hotplug_slot) | |
2b121bc2 CC |
748 | goto error_slot; |
749 | ||
a7624b63 | 750 | eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
2b121bc2 | 751 | GFP_KERNEL); |
a7624b63 | 752 | if (!eeepc->hotplug_slot->info) |
2b121bc2 CC |
753 | goto error_info; |
754 | ||
a7624b63 AJ |
755 | eeepc->hotplug_slot->private = eeepc; |
756 | eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug; | |
757 | eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops; | |
758 | eeepc_get_adapter_status(eeepc->hotplug_slot, | |
759 | &eeepc->hotplug_slot->info->adapter_status); | |
2b121bc2 | 760 | |
a7624b63 | 761 | ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi"); |
2b121bc2 | 762 | if (ret) { |
19b53289 | 763 | pr_err("Unable to register hotplug slot - %d\n", ret); |
2b121bc2 CC |
764 | goto error_register; |
765 | } | |
766 | ||
767 | return 0; | |
768 | ||
769 | error_register: | |
a7624b63 | 770 | kfree(eeepc->hotplug_slot->info); |
2b121bc2 | 771 | error_info: |
a7624b63 AJ |
772 | kfree(eeepc->hotplug_slot); |
773 | eeepc->hotplug_slot = NULL; | |
2b121bc2 CC |
774 | error_slot: |
775 | return ret; | |
776 | } | |
777 | ||
52bbe3c7 AJ |
778 | /* |
779 | * Rfkill devices | |
780 | */ | |
781 | static int eeepc_rfkill_set(void *data, bool blocked) | |
96e9cfeb | 782 | { |
854c7836 | 783 | acpi_handle handle = data; |
c200da5d | 784 | |
854c7836 | 785 | return write_acpi_int(handle, NULL, !blocked); |
c200da5d | 786 | } |
96e9cfeb | 787 | |
52bbe3c7 AJ |
788 | static const struct rfkill_ops eeepc_rfkill_ops = { |
789 | .set_block = eeepc_rfkill_set, | |
790 | }; | |
791 | ||
854c7836 AJ |
792 | static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, |
793 | struct rfkill **rfkill, | |
794 | const char *name, | |
52bbe3c7 AJ |
795 | enum rfkill_type type, int cm) |
796 | { | |
854c7836 | 797 | acpi_handle handle; |
52bbe3c7 AJ |
798 | int result; |
799 | ||
854c7836 | 800 | result = acpi_setter_handle(eeepc, cm, &handle); |
52bbe3c7 AJ |
801 | if (result < 0) |
802 | return result; | |
803 | ||
854c7836 AJ |
804 | *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, |
805 | &eeepc_rfkill_ops, handle); | |
96e9cfeb | 806 | |
52bbe3c7 AJ |
807 | if (!*rfkill) |
808 | return -EINVAL; | |
809 | ||
854c7836 | 810 | rfkill_init_sw_state(*rfkill, get_acpi(eeepc, cm) != 1); |
52bbe3c7 AJ |
811 | result = rfkill_register(*rfkill); |
812 | if (result) { | |
813 | rfkill_destroy(*rfkill); | |
814 | *rfkill = NULL; | |
815 | return result; | |
816 | } | |
96e9cfeb AJ |
817 | return 0; |
818 | } | |
819 | ||
854c7836 | 820 | static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) |
52bbe3c7 | 821 | { |
854c7836 AJ |
822 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
823 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); | |
824 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); | |
a7624b63 AJ |
825 | if (eeepc->wlan_rfkill) { |
826 | rfkill_unregister(eeepc->wlan_rfkill); | |
827 | rfkill_destroy(eeepc->wlan_rfkill); | |
828 | eeepc->wlan_rfkill = NULL; | |
52bbe3c7 | 829 | } |
14fdb152 | 830 | |
a7624b63 AJ |
831 | if (eeepc->hotplug_slot) |
832 | pci_hp_deregister(eeepc->hotplug_slot); | |
52bbe3c7 | 833 | |
a7624b63 AJ |
834 | if (eeepc->bluetooth_rfkill) { |
835 | rfkill_unregister(eeepc->bluetooth_rfkill); | |
836 | rfkill_destroy(eeepc->bluetooth_rfkill); | |
837 | eeepc->bluetooth_rfkill = NULL; | |
52bbe3c7 | 838 | } |
a7624b63 AJ |
839 | if (eeepc->wwan3g_rfkill) { |
840 | rfkill_unregister(eeepc->wwan3g_rfkill); | |
841 | rfkill_destroy(eeepc->wwan3g_rfkill); | |
842 | eeepc->wwan3g_rfkill = NULL; | |
52bbe3c7 | 843 | } |
a7624b63 AJ |
844 | if (eeepc->wimax_rfkill) { |
845 | rfkill_unregister(eeepc->wimax_rfkill); | |
846 | rfkill_destroy(eeepc->wimax_rfkill); | |
847 | eeepc->wimax_rfkill = NULL; | |
52bbe3c7 AJ |
848 | } |
849 | } | |
850 | ||
854c7836 | 851 | static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
852 | { |
853 | int result = 0; | |
854 | ||
a7624b63 | 855 | mutex_init(&eeepc->hotplug_lock); |
52bbe3c7 | 856 | |
854c7836 AJ |
857 | result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, |
858 | "eeepc-wlan", RFKILL_TYPE_WLAN, | |
859 | CM_ASL_WLAN); | |
52bbe3c7 AJ |
860 | |
861 | if (result && result != -ENODEV) | |
862 | goto exit; | |
863 | ||
854c7836 AJ |
864 | result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, |
865 | "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, | |
866 | CM_ASL_BLUETOOTH); | |
52bbe3c7 AJ |
867 | |
868 | if (result && result != -ENODEV) | |
869 | goto exit; | |
870 | ||
854c7836 AJ |
871 | result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, |
872 | "eeepc-wwan3g", RFKILL_TYPE_WWAN, | |
873 | CM_ASL_3G); | |
52bbe3c7 AJ |
874 | |
875 | if (result && result != -ENODEV) | |
876 | goto exit; | |
877 | ||
854c7836 AJ |
878 | result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill, |
879 | "eeepc-wimax", RFKILL_TYPE_WIMAX, | |
880 | CM_ASL_WIMAX); | |
52bbe3c7 AJ |
881 | |
882 | if (result && result != -ENODEV) | |
883 | goto exit; | |
884 | ||
10ae4b56 CC |
885 | if (eeepc->hotplug_disabled) |
886 | return 0; | |
887 | ||
854c7836 | 888 | result = eeepc_setup_pci_hotplug(eeepc); |
52bbe3c7 AJ |
889 | /* |
890 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
891 | * don't fail in this case | |
892 | */ | |
893 | if (result == -EBUSY) | |
894 | result = 0; | |
895 | ||
854c7836 AJ |
896 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
897 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); | |
898 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); | |
52bbe3c7 AJ |
899 | |
900 | exit: | |
901 | if (result && result != -ENODEV) | |
854c7836 | 902 | eeepc_rfkill_exit(eeepc); |
52bbe3c7 AJ |
903 | return result; |
904 | } | |
905 | ||
e1faa9da | 906 | /* |
52bbe3c7 | 907 | * Platform driver - hibernate/resume callbacks |
e1faa9da | 908 | */ |
854c7836 | 909 | static int eeepc_hotk_thaw(struct device *device) |
96e9cfeb | 910 | { |
854c7836 AJ |
911 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
912 | ||
a7624b63 | 913 | if (eeepc->wlan_rfkill) { |
96e9cfeb AJ |
914 | bool wlan; |
915 | ||
c1edd99f AJ |
916 | /* |
917 | * Work around bios bug - acpi _PTS turns off the wireless led | |
918 | * during suspend. Normally it restores it on resume, but | |
c200da5d | 919 | * we should kick it ourselves in case hibernation is aborted. |
96e9cfeb | 920 | */ |
854c7836 AJ |
921 | wlan = get_acpi(eeepc, CM_ASL_WLAN); |
922 | set_acpi(eeepc, CM_ASL_WLAN, wlan); | |
c200da5d AJ |
923 | } |
924 | ||
925 | return 0; | |
926 | } | |
96e9cfeb | 927 | |
854c7836 | 928 | static int eeepc_hotk_restore(struct device *device) |
c200da5d | 929 | { |
854c7836 AJ |
930 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
931 | ||
c200da5d | 932 | /* Refresh both wlan rfkill state and pci hotplug */ |
14fdb152 MG |
933 | if (eeepc->wlan_rfkill) { |
934 | eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P5"); | |
935 | eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P6"); | |
936 | eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P7"); | |
937 | } | |
96e9cfeb | 938 | |
a7624b63 AJ |
939 | if (eeepc->bluetooth_rfkill) |
940 | rfkill_set_sw_state(eeepc->bluetooth_rfkill, | |
854c7836 | 941 | get_acpi(eeepc, CM_ASL_BLUETOOTH) != 1); |
a7624b63 AJ |
942 | if (eeepc->wwan3g_rfkill) |
943 | rfkill_set_sw_state(eeepc->wwan3g_rfkill, | |
854c7836 | 944 | get_acpi(eeepc, CM_ASL_3G) != 1); |
a7624b63 AJ |
945 | if (eeepc->wimax_rfkill) |
946 | rfkill_set_sw_state(eeepc->wimax_rfkill, | |
854c7836 | 947 | get_acpi(eeepc, CM_ASL_WIMAX) != 1); |
96e9cfeb AJ |
948 | |
949 | return 0; | |
950 | } | |
951 | ||
9a3bff23 | 952 | static const struct dev_pm_ops eeepc_pm_ops = { |
854c7836 AJ |
953 | .thaw = eeepc_hotk_thaw, |
954 | .restore = eeepc_hotk_restore, | |
52bbe3c7 AJ |
955 | }; |
956 | ||
957 | static struct platform_driver platform_driver = { | |
958 | .driver = { | |
a7624b63 | 959 | .name = EEEPC_LAPTOP_FILE, |
52bbe3c7 AJ |
960 | .owner = THIS_MODULE, |
961 | .pm = &eeepc_pm_ops, | |
962 | } | |
963 | }; | |
964 | ||
e1faa9da | 965 | /* |
52bbe3c7 | 966 | * Hwmon device |
e1faa9da | 967 | */ |
52bbe3c7 AJ |
968 | |
969 | #define EEEPC_EC_SC00 0x61 | |
970 | #define EEEPC_EC_FAN_PWM (EEEPC_EC_SC00 + 2) /* Fan PWM duty cycle (%) */ | |
971 | #define EEEPC_EC_FAN_HRPM (EEEPC_EC_SC00 + 5) /* High byte, fan speed (RPM) */ | |
972 | #define EEEPC_EC_FAN_LRPM (EEEPC_EC_SC00 + 6) /* Low byte, fan speed (RPM) */ | |
973 | ||
974 | #define EEEPC_EC_SFB0 0xD0 | |
975 | #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ | |
976 | ||
e1faa9da CC |
977 | static int eeepc_get_fan_pwm(void) |
978 | { | |
463b4e47 | 979 | u8 value = 0; |
e1faa9da | 980 | |
463b4e47 AJ |
981 | ec_read(EEEPC_EC_FAN_PWM, &value); |
982 | return value * 255 / 100; | |
e1faa9da CC |
983 | } |
984 | ||
985 | static void eeepc_set_fan_pwm(int value) | |
986 | { | |
c73bad74 | 987 | value = clamp_val(value, 0, 255); |
04dcd84b | 988 | value = value * 100 / 255; |
463b4e47 | 989 | ec_write(EEEPC_EC_FAN_PWM, value); |
e1faa9da CC |
990 | } |
991 | ||
992 | static int eeepc_get_fan_rpm(void) | |
993 | { | |
463b4e47 AJ |
994 | u8 high = 0; |
995 | u8 low = 0; | |
e1faa9da | 996 | |
463b4e47 AJ |
997 | ec_read(EEEPC_EC_FAN_HRPM, &high); |
998 | ec_read(EEEPC_EC_FAN_LRPM, &low); | |
999 | return high << 8 | low; | |
e1faa9da CC |
1000 | } |
1001 | ||
1002 | static int eeepc_get_fan_ctrl(void) | |
1003 | { | |
463b4e47 | 1004 | u8 value = 0; |
e1faa9da | 1005 | |
463b4e47 | 1006 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
48718688 AJ |
1007 | if (value & 0x02) |
1008 | return 1; /* manual */ | |
1009 | else | |
1010 | return 2; /* automatic */ | |
e1faa9da CC |
1011 | } |
1012 | ||
1013 | static void eeepc_set_fan_ctrl(int manual) | |
1014 | { | |
463b4e47 | 1015 | u8 value = 0; |
e1faa9da | 1016 | |
463b4e47 | 1017 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
48718688 | 1018 | if (manual == 1) |
e1faa9da CC |
1019 | value |= 0x02; |
1020 | else | |
1021 | value &= ~0x02; | |
463b4e47 | 1022 | ec_write(EEEPC_EC_FAN_CTRL, value); |
e1faa9da CC |
1023 | } |
1024 | ||
1025 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) | |
1026 | { | |
1027 | int rv, value; | |
1028 | ||
95369a73 PB |
1029 | rv = parse_arg(buf, &value); |
1030 | if (rv < 0) | |
1031 | return rv; | |
1032 | set(value); | |
1033 | return count; | |
e1faa9da CC |
1034 | } |
1035 | ||
1036 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) | |
1037 | { | |
1038 | return sprintf(buf, "%d\n", get()); | |
1039 | } | |
1040 | ||
28ac85f7 | 1041 | #define EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
48d4a5b2 | 1042 | static ssize_t _name##_show(struct device *dev, \ |
e1faa9da CC |
1043 | struct device_attribute *attr, \ |
1044 | char *buf) \ | |
1045 | { \ | |
1ec9d399 | 1046 | return show_sys_hwmon(_get, buf); \ |
28ac85f7 FK |
1047 | } |
1048 | ||
1049 | #define EEEPC_SENSOR_STORE_FUNC(_name, _set) \ | |
48d4a5b2 | 1050 | static ssize_t _name##_store(struct device *dev, \ |
e1faa9da CC |
1051 | struct device_attribute *attr, \ |
1052 | const char *buf, size_t count) \ | |
1053 | { \ | |
1ec9d399 | 1054 | return store_sys_hwmon(_set, buf, count); \ |
28ac85f7 FK |
1055 | } |
1056 | ||
48d4a5b2 | 1057 | #define EEEPC_CREATE_SENSOR_ATTR_RW(_name, _get, _set) \ |
28ac85f7 FK |
1058 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
1059 | EEEPC_SENSOR_STORE_FUNC(_name, _set) \ | |
48d4a5b2 FK |
1060 | static DEVICE_ATTR_RW(_name) |
1061 | ||
1062 | #define EEEPC_CREATE_SENSOR_ATTR_RO(_name, _get) \ | |
1063 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ | |
1064 | static DEVICE_ATTR_RO(_name) | |
e1faa9da | 1065 | |
48d4a5b2 FK |
1066 | EEEPC_CREATE_SENSOR_ATTR_RO(fan1_input, eeepc_get_fan_rpm); |
1067 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1, eeepc_get_fan_pwm, | |
1068 | eeepc_set_fan_pwm); | |
1069 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1_enable, eeepc_get_fan_ctrl, | |
1070 | eeepc_set_fan_ctrl); | |
e1faa9da | 1071 | |
f0c34c97 GR |
1072 | static struct attribute *hwmon_attrs[] = { |
1073 | &dev_attr_pwm1.attr, | |
1074 | &dev_attr_fan1_input.attr, | |
1075 | &dev_attr_pwm1_enable.attr, | |
e1faa9da CC |
1076 | NULL |
1077 | }; | |
f0c34c97 | 1078 | ATTRIBUTE_GROUPS(hwmon); |
a9df80c5 | 1079 | |
854c7836 | 1080 | static int eeepc_hwmon_init(struct eeepc_laptop *eeepc) |
a9df80c5 | 1081 | { |
f0c34c97 | 1082 | struct device *dev = &eeepc->platform_device->dev; |
52bbe3c7 | 1083 | struct device *hwmon; |
7de39389 | 1084 | |
f0c34c97 GR |
1085 | hwmon = devm_hwmon_device_register_with_groups(dev, "eeepc", NULL, |
1086 | hwmon_groups); | |
52bbe3c7 AJ |
1087 | if (IS_ERR(hwmon)) { |
1088 | pr_err("Could not register eeepc hwmon device\n"); | |
52bbe3c7 | 1089 | return PTR_ERR(hwmon); |
a8258069 | 1090 | } |
f0c34c97 | 1091 | return 0; |
a9df80c5 CC |
1092 | } |
1093 | ||
52bbe3c7 AJ |
1094 | /* |
1095 | * Backlight device | |
1096 | */ | |
1097 | static int read_brightness(struct backlight_device *bd) | |
a9df80c5 | 1098 | { |
854c7836 AJ |
1099 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
1100 | ||
1101 | return get_acpi(eeepc, CM_ASL_PANELBRIGHT); | |
a5fa429b CC |
1102 | } |
1103 | ||
52bbe3c7 | 1104 | static int set_brightness(struct backlight_device *bd, int value) |
e1faa9da | 1105 | { |
854c7836 | 1106 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
e1faa9da | 1107 | |
854c7836 | 1108 | return set_acpi(eeepc, CM_ASL_PANELBRIGHT, value); |
e1faa9da CC |
1109 | } |
1110 | ||
52bbe3c7 | 1111 | static int update_bl_status(struct backlight_device *bd) |
7de39389 | 1112 | { |
52bbe3c7 AJ |
1113 | return set_brightness(bd, bd->props.brightness); |
1114 | } | |
7de39389 | 1115 | |
acc2472e | 1116 | static const struct backlight_ops eeepcbl_ops = { |
52bbe3c7 AJ |
1117 | .get_brightness = read_brightness, |
1118 | .update_status = update_bl_status, | |
1119 | }; | |
7de39389 | 1120 | |
854c7836 | 1121 | static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1122 | { |
854c7836 | 1123 | struct backlight_device *bd = eeepc->backlight_device; |
52bbe3c7 | 1124 | int old = bd->props.brightness; |
7de39389 | 1125 | |
52bbe3c7 | 1126 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); |
7de39389 | 1127 | |
52bbe3c7 | 1128 | return old; |
7de39389 CC |
1129 | } |
1130 | ||
854c7836 | 1131 | static int eeepc_backlight_init(struct eeepc_laptop *eeepc) |
7de39389 | 1132 | { |
a19a6ee6 | 1133 | struct backlight_properties props; |
a5fa429b | 1134 | struct backlight_device *bd; |
7334546a | 1135 | |
a19a6ee6 | 1136 | memset(&props, 0, sizeof(struct backlight_properties)); |
bb7ca747 | 1137 | props.type = BACKLIGHT_PLATFORM; |
a19a6ee6 | 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 | 1170 | input = input_allocate_device(); |
b222cca6 | 1171 | if (!input) |
642e0447 | 1172 | return -ENOMEM; |
07e84aa9 | 1173 | |
642e0447 DT |
1174 | input->name = "Asus EeePC extra buttons"; |
1175 | input->phys = EEEPC_LAPTOP_FILE "/input0"; | |
1176 | input->id.bustype = BUS_HOST; | |
1177 | input->dev.parent = &eeepc->platform_device->dev; | |
7de39389 | 1178 | |
642e0447 DT |
1179 | error = sparse_keymap_setup(input, eeepc_keymap, NULL); |
1180 | if (error) { | |
1181 | pr_err("Unable to setup input device keymap\n"); | |
1182 | goto err_free_dev; | |
a5fa429b | 1183 | } |
52bbe3c7 | 1184 | |
642e0447 DT |
1185 | error = input_register_device(input); |
1186 | if (error) { | |
1187 | pr_err("Unable to register input device\n"); | |
1188 | goto err_free_keymap; | |
e1faa9da | 1189 | } |
52bbe3c7 | 1190 | |
642e0447 | 1191 | eeepc->inputdev = input; |
f2a9d5e8 | 1192 | return 0; |
642e0447 | 1193 | |
71e687dc | 1194 | err_free_keymap: |
642e0447 | 1195 | sparse_keymap_free(input); |
71e687dc | 1196 | err_free_dev: |
642e0447 DT |
1197 | input_free_device(input); |
1198 | return error; | |
f2a9d5e8 AJ |
1199 | } |
1200 | ||
854c7836 | 1201 | static void eeepc_input_exit(struct eeepc_laptop *eeepc) |
e59f8796 | 1202 | { |
854c7836 | 1203 | if (eeepc->inputdev) { |
c9db3efe | 1204 | sparse_keymap_free(eeepc->inputdev); |
a7624b63 | 1205 | input_unregister_device(eeepc->inputdev); |
854c7836 | 1206 | } |
71e687dc | 1207 | eeepc->inputdev = NULL; |
52bbe3c7 | 1208 | } |
3c0eb510 | 1209 | |
52bbe3c7 AJ |
1210 | /* |
1211 | * ACPI driver | |
1212 | */ | |
ce6c468f CC |
1213 | static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) |
1214 | { | |
1215 | if (!eeepc->inputdev) | |
1216 | return ; | |
1217 | if (!sparse_keymap_report_event(eeepc->inputdev, event, 1, true)) | |
1218 | pr_info("Unknown key %x pressed\n", event); | |
1219 | } | |
1220 | ||
a7624b63 | 1221 | static void eeepc_acpi_notify(struct acpi_device *device, u32 event) |
52bbe3c7 | 1222 | { |
854c7836 | 1223 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
52bbe3c7 | 1224 | u16 count; |
3c0eb510 | 1225 | |
52bbe3c7 AJ |
1226 | if (event > ACPI_MAX_SYS_NOTIFY) |
1227 | return; | |
a7624b63 | 1228 | count = eeepc->event_count[event % 128]++; |
854c7836 AJ |
1229 | acpi_bus_generate_netlink_event(device->pnp.device_class, |
1230 | dev_name(&device->dev), event, | |
52bbe3c7 | 1231 | count); |
3c0eb510 | 1232 | |
325fb8e9 | 1233 | /* Brightness events are special */ |
52bbe3c7 | 1234 | if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) { |
52bbe3c7 | 1235 | |
325fb8e9 AJ |
1236 | /* Ignore them completely if the acpi video driver is used */ |
1237 | if (eeepc->backlight_device != NULL) { | |
1238 | int old_brightness, new_brightness; | |
1239 | ||
1240 | /* Update the backlight device. */ | |
1241 | old_brightness = eeepc_backlight_notify(eeepc); | |
1242 | ||
1243 | /* Convert event to keypress (obsolescent hack) */ | |
1244 | new_brightness = event - NOTIFY_BRN_MIN; | |
1245 | ||
1246 | if (new_brightness < old_brightness) { | |
1247 | event = NOTIFY_BRN_MIN; /* brightness down */ | |
1248 | } else if (new_brightness > old_brightness) { | |
1249 | event = NOTIFY_BRN_MAX; /* brightness up */ | |
1250 | } else { | |
1251 | /* | |
1252 | * no change in brightness - already at min/max, | |
1253 | * event will be desired value (or else ignored) | |
1254 | */ | |
1255 | } | |
ce6c468f | 1256 | eeepc_input_notify(eeepc, event); |
52bbe3c7 | 1257 | } |
325fb8e9 AJ |
1258 | } else { |
1259 | /* Everything else is a bona-fide keypress event */ | |
ce6c468f | 1260 | eeepc_input_notify(eeepc, event); |
52bbe3c7 | 1261 | } |
52bbe3c7 AJ |
1262 | } |
1263 | ||
da8ba01d AJ |
1264 | static void eeepc_dmi_check(struct eeepc_laptop *eeepc) |
1265 | { | |
1266 | const char *model; | |
1267 | ||
10ae4b56 CC |
1268 | model = dmi_get_system_info(DMI_PRODUCT_NAME); |
1269 | if (!model) | |
1270 | return; | |
1271 | ||
da8ba01d AJ |
1272 | /* |
1273 | * Blacklist for setting cpufv (cpu speed). | |
1274 | * | |
1275 | * EeePC 4G ("701") implements CFVS, but it is not supported | |
1276 | * by the pre-installed OS, and the original option to change it | |
1277 | * in the BIOS setup screen was removed in later versions. | |
1278 | * | |
1279 | * Judging by the lack of "Super Hybrid Engine" on Asus product pages, | |
1280 | * this applies to all "701" models (4G/4G Surf/2G Surf). | |
1281 | * | |
1282 | * So Asus made a deliberate decision not to support it on this model. | |
1283 | * We have several reports that using it can cause the system to hang | |
1284 | * | |
1285 | * The hang has also been reported on a "702" (Model name "8G"?). | |
1286 | * | |
1287 | * We avoid dmi_check_system() / dmi_match(), because they use | |
1288 | * substring matching. We don't want to affect the "701SD" | |
1289 | * and "701SDX" models, because they do support S.H.E. | |
1290 | */ | |
da8ba01d AJ |
1291 | if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { |
1292 | eeepc->cpufv_disabled = true; | |
1293 | pr_info("model %s does not officially support setting cpu " | |
1294 | "speed\n", model); | |
1295 | pr_info("cpufv disabled to avoid instability\n"); | |
1296 | } | |
10ae4b56 CC |
1297 | |
1298 | /* | |
1299 | * Blacklist for wlan hotplug | |
1300 | * | |
1301 | * Eeepc 1005HA doesn't work like others models and don't need the | |
1302 | * hotplug code. In fact, current hotplug code seems to unplug another | |
1303 | * device... | |
1304 | */ | |
ced69c59 AJ |
1305 | if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 || |
1306 | strcmp(model, "1005PE") == 0) { | |
10ae4b56 CC |
1307 | eeepc->hotplug_disabled = true; |
1308 | pr_info("wlan hotplug disabled\n"); | |
1309 | } | |
da8ba01d AJ |
1310 | } |
1311 | ||
854c7836 | 1312 | static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) |
52bbe3c7 AJ |
1313 | { |
1314 | int dummy; | |
1315 | ||
c8440336 | 1316 | /* Some BIOSes do not report cm although it is available. |
52bbe3c7 | 1317 | Check if cm_getv[cm] works and, if yes, assume cm should be set. */ |
a7624b63 AJ |
1318 | if (!(eeepc->cm_supported & (1 << cm)) |
1319 | && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { | |
52bbe3c7 AJ |
1320 | pr_info("%s (%x) not reported by BIOS," |
1321 | " enabling anyway\n", name, 1 << cm); | |
a7624b63 | 1322 | eeepc->cm_supported |= 1 << cm; |
52bbe3c7 AJ |
1323 | } |
1324 | } | |
1325 | ||
854c7836 | 1326 | static void cmsg_quirks(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1327 | { |
854c7836 AJ |
1328 | cmsg_quirk(eeepc, CM_ASL_LID, "LID"); |
1329 | cmsg_quirk(eeepc, CM_ASL_TYPE, "TYPE"); | |
1330 | cmsg_quirk(eeepc, CM_ASL_PANELPOWER, "PANELPOWER"); | |
1331 | cmsg_quirk(eeepc, CM_ASL_TPD, "TPD"); | |
52bbe3c7 AJ |
1332 | } |
1333 | ||
b859f159 | 1334 | static int eeepc_acpi_init(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
1335 | { |
1336 | unsigned int init_flags; | |
e59f8796 EC |
1337 | int result; |
1338 | ||
71e687dc | 1339 | result = acpi_bus_get_status(eeepc->device); |
1e779854 | 1340 | if (result) |
52bbe3c7 | 1341 | return result; |
71e687dc | 1342 | if (!eeepc->device->status.present) { |
52bbe3c7 AJ |
1343 | pr_err("Hotkey device not present, aborting\n"); |
1344 | return -ENODEV; | |
1345 | } | |
cede2cb6 | 1346 | |
52bbe3c7 AJ |
1347 | init_flags = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; |
1348 | pr_notice("Hotkey init flags 0x%x\n", init_flags); | |
1349 | ||
a7624b63 | 1350 | if (write_acpi_int(eeepc->handle, "INIT", init_flags)) { |
52bbe3c7 AJ |
1351 | pr_err("Hotkey initialization failed\n"); |
1352 | return -ENODEV; | |
e59f8796 | 1353 | } |
52bbe3c7 AJ |
1354 | |
1355 | /* get control methods supported */ | |
a7624b63 | 1356 | if (read_acpi_int(eeepc->handle, "CMSG", &eeepc->cm_supported)) { |
52bbe3c7 AJ |
1357 | pr_err("Get control methods supported failed\n"); |
1358 | return -ENODEV; | |
dc56ad9b | 1359 | } |
854c7836 | 1360 | cmsg_quirks(eeepc); |
a7624b63 | 1361 | pr_info("Get control methods supported: 0x%x\n", eeepc->cm_supported); |
2b56f1c1 | 1362 | |
3c0eb510 CC |
1363 | return 0; |
1364 | } | |
1365 | ||
b859f159 | 1366 | static void eeepc_enable_camera(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
1367 | { |
1368 | /* | |
1369 | * If the following call to set_acpi() fails, it's because there's no | |
1370 | * camera so we can ignore the error. | |
1371 | */ | |
854c7836 AJ |
1372 | if (get_acpi(eeepc, CM_ASL_CAMERA) == 0) |
1373 | set_acpi(eeepc, CM_ASL_CAMERA, 1); | |
52bbe3c7 AJ |
1374 | } |
1375 | ||
854c7836 AJ |
1376 | static bool eeepc_device_present; |
1377 | ||
b859f159 | 1378 | static int eeepc_acpi_add(struct acpi_device *device) |
e59f8796 | 1379 | { |
854c7836 | 1380 | struct eeepc_laptop *eeepc; |
e59f8796 EC |
1381 | int result; |
1382 | ||
a7624b63 AJ |
1383 | pr_notice(EEEPC_LAPTOP_NAME "\n"); |
1384 | eeepc = kzalloc(sizeof(struct eeepc_laptop), GFP_KERNEL); | |
1385 | if (!eeepc) | |
1e779854 | 1386 | return -ENOMEM; |
a7624b63 AJ |
1387 | eeepc->handle = device->handle; |
1388 | strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME); | |
1389 | strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); | |
1390 | device->driver_data = eeepc; | |
71e687dc | 1391 | eeepc->device = device; |
cede2cb6 | 1392 | |
322a1356 CC |
1393 | eeepc->hotplug_disabled = hotplug_disabled; |
1394 | ||
da8ba01d AJ |
1395 | eeepc_dmi_check(eeepc); |
1396 | ||
71e687dc | 1397 | result = eeepc_acpi_init(eeepc); |
e59f8796 | 1398 | if (result) |
9db106be | 1399 | goto fail_platform; |
854c7836 | 1400 | eeepc_enable_camera(eeepc); |
7de39389 | 1401 | |
854c7836 AJ |
1402 | /* |
1403 | * Register the platform device first. It is used as a parent for the | |
1404 | * sub-devices below. | |
1405 | * | |
1406 | * Note that if there are multiple instances of this ACPI device it | |
1407 | * will bail out, because the platform device is registered with a | |
1408 | * fixed name. Of course it doesn't make sense to have more than one, | |
1409 | * and machine-specific scripts find the fixed name convenient. But | |
1410 | * It's also good for us to exclude multiple instances because both | |
1411 | * our hwmon and our wlan rfkill subdevice use global ACPI objects | |
1412 | * (the EC and the wlan PCI slot respectively). | |
1413 | */ | |
1414 | result = eeepc_platform_init(eeepc); | |
e59f8796 | 1415 | if (result) |
9db106be | 1416 | goto fail_platform; |
1ddec2f9 CC |
1417 | |
1418 | if (!acpi_video_backlight_support()) { | |
854c7836 | 1419 | result = eeepc_backlight_init(eeepc); |
1ddec2f9 CC |
1420 | if (result) |
1421 | goto fail_backlight; | |
39a3e17e | 1422 | } else { |
9db106be | 1423 | pr_info("Backlight controlled by ACPI video driver\n"); |
39a3e17e | 1424 | } |
1ddec2f9 | 1425 | |
854c7836 | 1426 | result = eeepc_input_init(eeepc); |
f2a9d5e8 AJ |
1427 | if (result) |
1428 | goto fail_input; | |
1429 | ||
854c7836 | 1430 | result = eeepc_hwmon_init(eeepc); |
1ddec2f9 CC |
1431 | if (result) |
1432 | goto fail_hwmon; | |
1433 | ||
854c7836 | 1434 | result = eeepc_led_init(eeepc); |
3c0eb510 CC |
1435 | if (result) |
1436 | goto fail_led; | |
1437 | ||
854c7836 | 1438 | result = eeepc_rfkill_init(eeepc); |
7de39389 CC |
1439 | if (result) |
1440 | goto fail_rfkill; | |
1441 | ||
854c7836 | 1442 | eeepc_device_present = true; |
e59f8796 | 1443 | return 0; |
1e779854 | 1444 | |
7de39389 | 1445 | fail_rfkill: |
854c7836 | 1446 | eeepc_led_exit(eeepc); |
3c0eb510 | 1447 | fail_led: |
1ddec2f9 | 1448 | fail_hwmon: |
854c7836 | 1449 | eeepc_input_exit(eeepc); |
f2a9d5e8 | 1450 | fail_input: |
854c7836 | 1451 | eeepc_backlight_exit(eeepc); |
1ddec2f9 | 1452 | fail_backlight: |
854c7836 | 1453 | eeepc_platform_exit(eeepc); |
9db106be | 1454 | fail_platform: |
a7624b63 | 1455 | kfree(eeepc); |
1e779854 | 1456 | |
e59f8796 EC |
1457 | return result; |
1458 | } | |
1459 | ||
51fac838 | 1460 | static int eeepc_acpi_remove(struct acpi_device *device) |
1e779854 | 1461 | { |
854c7836 | 1462 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
1e779854 | 1463 | |
854c7836 AJ |
1464 | eeepc_backlight_exit(eeepc); |
1465 | eeepc_rfkill_exit(eeepc); | |
1466 | eeepc_input_exit(eeepc); | |
854c7836 AJ |
1467 | eeepc_led_exit(eeepc); |
1468 | eeepc_platform_exit(eeepc); | |
1e779854 | 1469 | |
a7624b63 | 1470 | kfree(eeepc); |
1e779854 AJ |
1471 | return 0; |
1472 | } | |
1473 | ||
52bbe3c7 AJ |
1474 | |
1475 | static const struct acpi_device_id eeepc_device_ids[] = { | |
a7624b63 | 1476 | {EEEPC_ACPI_HID, 0}, |
52bbe3c7 AJ |
1477 | {"", 0}, |
1478 | }; | |
1479 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); | |
1480 | ||
a7624b63 AJ |
1481 | static struct acpi_driver eeepc_acpi_driver = { |
1482 | .name = EEEPC_LAPTOP_NAME, | |
1483 | .class = EEEPC_ACPI_CLASS, | |
52bbe3c7 AJ |
1484 | .owner = THIS_MODULE, |
1485 | .ids = eeepc_device_ids, | |
1486 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1487 | .ops = { | |
a7624b63 AJ |
1488 | .add = eeepc_acpi_add, |
1489 | .remove = eeepc_acpi_remove, | |
1490 | .notify = eeepc_acpi_notify, | |
52bbe3c7 AJ |
1491 | }, |
1492 | }; | |
1493 | ||
1494 | ||
1e779854 AJ |
1495 | static int __init eeepc_laptop_init(void) |
1496 | { | |
1497 | int result; | |
1498 | ||
22072e92 | 1499 | result = platform_driver_register(&platform_driver); |
1e779854 AJ |
1500 | if (result < 0) |
1501 | return result; | |
22072e92 | 1502 | |
a7624b63 | 1503 | result = acpi_bus_register_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1504 | if (result < 0) |
1505 | goto fail_acpi_driver; | |
642e0447 | 1506 | |
854c7836 | 1507 | if (!eeepc_device_present) { |
22072e92 AJ |
1508 | result = -ENODEV; |
1509 | goto fail_no_device; | |
1e779854 | 1510 | } |
642e0447 | 1511 | |
1e779854 | 1512 | return 0; |
22072e92 AJ |
1513 | |
1514 | fail_no_device: | |
a7624b63 | 1515 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1516 | fail_acpi_driver: |
1517 | platform_driver_unregister(&platform_driver); | |
1518 | return result; | |
1e779854 AJ |
1519 | } |
1520 | ||
1521 | static void __exit eeepc_laptop_exit(void) | |
1522 | { | |
a7624b63 | 1523 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 | 1524 | platform_driver_unregister(&platform_driver); |
1e779854 AJ |
1525 | } |
1526 | ||
e59f8796 EC |
1527 | module_init(eeepc_laptop_init); |
1528 | module_exit(eeepc_laptop_exit); |