Commit | Line | Data |
---|---|---|
c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
e59f8796 | 2 | /* |
a7624b63 | 3 | * eeepc-laptop.c - Asus Eee PC extras |
e59f8796 EC |
4 | * |
5 | * Based on asus_acpi.c as patched for the Eee PC by Asus: | |
6 | * ftp://ftp.asus.com/pub/ASUS/EeePC/701/ASUS_ACPI_071126.rar | |
7 | * Based on eee.c from eeepc-linux | |
e59f8796 EC |
8 | */ |
9 | ||
19b53289 JP |
10 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
11 | ||
e59f8796 EC |
12 | #include <linux/kernel.h> |
13 | #include <linux/module.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/types.h> | |
16 | #include <linux/platform_device.h> | |
a5fa429b CC |
17 | #include <linux/backlight.h> |
18 | #include <linux/fb.h> | |
e1faa9da CC |
19 | #include <linux/hwmon.h> |
20 | #include <linux/hwmon-sysfs.h> | |
5a0e3ad6 | 21 | #include <linux/slab.h> |
8b48463f | 22 | #include <linux/acpi.h> |
e59f8796 | 23 | #include <linux/uaccess.h> |
a195dcdc | 24 | #include <linux/input.h> |
642e0447 | 25 | #include <linux/input/sparse-keymap.h> |
a195dcdc | 26 | #include <linux/rfkill.h> |
5740294c | 27 | #include <linux/pci.h> |
2b121bc2 | 28 | #include <linux/pci_hotplug.h> |
3c0eb510 | 29 | #include <linux/leds.h> |
da8ba01d | 30 | #include <linux/dmi.h> |
21db4b1d | 31 | #include <acpi/video.h> |
e59f8796 EC |
32 | |
33 | #define EEEPC_LAPTOP_VERSION "0.1" | |
a7624b63 AJ |
34 | #define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver" |
35 | #define EEEPC_LAPTOP_FILE "eeepc" | |
e59f8796 | 36 | |
a7624b63 AJ |
37 | #define EEEPC_ACPI_CLASS "hotkey" |
38 | #define EEEPC_ACPI_DEVICE_NAME "Hotkey" | |
39 | #define EEEPC_ACPI_HID "ASUS010" | |
e59f8796 | 40 | |
52bbe3c7 | 41 | MODULE_AUTHOR("Corentin Chary, Eric Cooper"); |
a7624b63 | 42 | MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME); |
52bbe3c7 | 43 | MODULE_LICENSE("GPL"); |
e59f8796 | 44 | |
322a1356 CC |
45 | static bool hotplug_disabled; |
46 | ||
bfa47960 | 47 | module_param(hotplug_disabled, bool, 0444); |
322a1356 CC |
48 | MODULE_PARM_DESC(hotplug_disabled, |
49 | "Disable hotplug for wireless device. " | |
50 | "If your laptop need that, please report to " | |
51 | "acpi4asus-user@lists.sourceforge.net."); | |
52 | ||
e59f8796 EC |
53 | /* |
54 | * Definitions for Asus EeePC | |
55 | */ | |
a5fa429b CC |
56 | #define NOTIFY_BRN_MIN 0x20 |
57 | #define NOTIFY_BRN_MAX 0x2f | |
e59f8796 EC |
58 | |
59 | enum { | |
60 | DISABLE_ASL_WLAN = 0x0001, | |
61 | DISABLE_ASL_BLUETOOTH = 0x0002, | |
62 | DISABLE_ASL_IRDA = 0x0004, | |
63 | DISABLE_ASL_CAMERA = 0x0008, | |
64 | DISABLE_ASL_TV = 0x0010, | |
65 | DISABLE_ASL_GPS = 0x0020, | |
66 | DISABLE_ASL_DISPLAYSWITCH = 0x0040, | |
67 | DISABLE_ASL_MODEM = 0x0080, | |
b7b700d4 CC |
68 | DISABLE_ASL_CARDREADER = 0x0100, |
69 | DISABLE_ASL_3G = 0x0200, | |
70 | DISABLE_ASL_WIMAX = 0x0400, | |
71 | DISABLE_ASL_HWCF = 0x0800 | |
e59f8796 EC |
72 | }; |
73 | ||
74 | enum { | |
75 | CM_ASL_WLAN = 0, | |
76 | CM_ASL_BLUETOOTH, | |
77 | CM_ASL_IRDA, | |
78 | CM_ASL_1394, | |
79 | CM_ASL_CAMERA, | |
80 | CM_ASL_TV, | |
81 | CM_ASL_GPS, | |
82 | CM_ASL_DVDROM, | |
83 | CM_ASL_DISPLAYSWITCH, | |
84 | CM_ASL_PANELBRIGHT, | |
85 | CM_ASL_BIOSFLASH, | |
86 | CM_ASL_ACPIFLASH, | |
87 | CM_ASL_CPUFV, | |
88 | CM_ASL_CPUTEMPERATURE, | |
89 | CM_ASL_FANCPU, | |
90 | CM_ASL_FANCHASSIS, | |
91 | CM_ASL_USBPORT1, | |
92 | CM_ASL_USBPORT2, | |
93 | CM_ASL_USBPORT3, | |
94 | CM_ASL_MODEM, | |
95 | CM_ASL_CARDREADER, | |
b7b700d4 CC |
96 | CM_ASL_3G, |
97 | CM_ASL_WIMAX, | |
98 | CM_ASL_HWCF, | |
99 | CM_ASL_LID, | |
100 | CM_ASL_TYPE, | |
101 | CM_ASL_PANELPOWER, /*P901*/ | |
102 | CM_ASL_TPD | |
e59f8796 EC |
103 | }; |
104 | ||
14109461 | 105 | static const char *cm_getv[] = { |
3af9bfcb | 106 | "WLDG", "BTHG", NULL, NULL, |
e59f8796 EC |
107 | "CAMG", NULL, NULL, NULL, |
108 | NULL, "PBLG", NULL, NULL, | |
109 | "CFVG", NULL, NULL, NULL, | |
110 | "USBG", NULL, NULL, "MODG", | |
b7b700d4 CC |
111 | "CRDG", "M3GG", "WIMG", "HWCF", |
112 | "LIDG", "TYPE", "PBPG", "TPDG" | |
e59f8796 EC |
113 | }; |
114 | ||
14109461 | 115 | static const char *cm_setv[] = { |
3af9bfcb | 116 | "WLDS", "BTHS", NULL, NULL, |
e59f8796 EC |
117 | "CAMS", NULL, NULL, NULL, |
118 | "SDSP", "PBLS", "HDPS", NULL, | |
119 | "CFVS", NULL, NULL, NULL, | |
120 | "USBG", NULL, NULL, "MODS", | |
b7b700d4 CC |
121 | "CRDS", "M3GS", "WIMS", NULL, |
122 | NULL, NULL, "PBPS", "TPDS" | |
e59f8796 EC |
123 | }; |
124 | ||
854c7836 | 125 | static const struct key_entry eeepc_keymap[] = { |
642e0447 DT |
126 | { KE_KEY, 0x10, { KEY_WLAN } }, |
127 | { KE_KEY, 0x11, { KEY_WLAN } }, | |
128 | { KE_KEY, 0x12, { KEY_PROG1 } }, | |
129 | { KE_KEY, 0x13, { KEY_MUTE } }, | |
130 | { KE_KEY, 0x14, { KEY_VOLUMEDOWN } }, | |
131 | { KE_KEY, 0x15, { KEY_VOLUMEUP } }, | |
132 | { KE_KEY, 0x16, { KEY_DISPLAY_OFF } }, | |
133 | { KE_KEY, 0x1a, { KEY_COFFEE } }, | |
134 | { KE_KEY, 0x1b, { KEY_ZOOM } }, | |
135 | { KE_KEY, 0x1c, { KEY_PROG2 } }, | |
136 | { KE_KEY, 0x1d, { KEY_PROG3 } }, | |
137 | { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } }, | |
138 | { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } }, | |
139 | { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } }, | |
140 | { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } }, | |
141 | { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } }, | |
142 | { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */ | |
143 | { KE_KEY, 0x38, { KEY_F14 } }, | |
999ddbdf PEP |
144 | { KE_IGNORE, 0x50, { KEY_RESERVED } }, /* AC plugged */ |
145 | { KE_IGNORE, 0x51, { KEY_RESERVED } }, /* AC unplugged */ | |
642e0447 | 146 | { KE_END, 0 }, |
a195dcdc MG |
147 | }; |
148 | ||
e59f8796 | 149 | /* |
52bbe3c7 | 150 | * This is the main structure, we can use it to store useful information |
e59f8796 | 151 | */ |
a7624b63 | 152 | struct eeepc_laptop { |
854c7836 | 153 | acpi_handle handle; /* the handle of the acpi device */ |
52bbe3c7 AJ |
154 | u32 cm_supported; /* the control methods supported |
155 | by this BIOS */ | |
da8ba01d | 156 | bool cpufv_disabled; |
10ae4b56 | 157 | bool hotplug_disabled; |
52bbe3c7 | 158 | u16 event_count[128]; /* count for each event */ |
e59f8796 | 159 | |
854c7836 | 160 | struct platform_device *platform_device; |
71e687dc | 161 | struct acpi_device *device; /* the device we are in */ |
854c7836 | 162 | struct backlight_device *backlight_device; |
2b121bc2 | 163 | |
52bbe3c7 | 164 | struct input_dev *inputdev; |
2b121bc2 | 165 | |
52bbe3c7 AJ |
166 | struct rfkill *wlan_rfkill; |
167 | struct rfkill *bluetooth_rfkill; | |
168 | struct rfkill *wwan3g_rfkill; | |
169 | struct rfkill *wimax_rfkill; | |
a5fa429b | 170 | |
125450f8 | 171 | struct hotplug_slot hotplug_slot; |
52bbe3c7 | 172 | struct mutex hotplug_lock; |
e1faa9da | 173 | |
854c7836 AJ |
174 | struct led_classdev tpd_led; |
175 | int tpd_led_wk; | |
176 | struct workqueue_struct *led_workqueue; | |
177 | struct work_struct tpd_led_work; | |
a5fa429b CC |
178 | }; |
179 | ||
e59f8796 EC |
180 | /* |
181 | * ACPI Helpers | |
182 | */ | |
6b188a7b | 183 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
e59f8796 | 184 | { |
e59f8796 EC |
185 | acpi_status status; |
186 | ||
fca41991 | 187 | status = acpi_execute_simple_method(handle, (char *)method, val); |
e59f8796 | 188 | |
e59f8796 EC |
189 | return (status == AE_OK ? 0 : -1); |
190 | } | |
191 | ||
192 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) | |
193 | { | |
194 | acpi_status status; | |
27663c58 | 195 | unsigned long long result; |
e59f8796 EC |
196 | |
197 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
198 | if (ACPI_FAILURE(status)) { | |
199 | *val = -1; | |
200 | return -1; | |
201 | } else { | |
202 | *val = result; | |
203 | return 0; | |
204 | } | |
205 | } | |
206 | ||
854c7836 | 207 | static int set_acpi(struct eeepc_laptop *eeepc, int cm, int value) |
e59f8796 | 208 | { |
13f70029 | 209 | const char *method = cm_setv[cm]; |
e59f8796 | 210 | |
13f70029 AJ |
211 | if (method == NULL) |
212 | return -ENODEV; | |
a7624b63 | 213 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 214 | return -ENODEV; |
a5fa429b | 215 | |
a7624b63 | 216 | if (write_acpi_int(eeepc->handle, method, value)) |
22441ffe | 217 | pr_warn("Error writing %s\n", method); |
e59f8796 | 218 | return 0; |
a5fa429b CC |
219 | } |
220 | ||
854c7836 | 221 | static int get_acpi(struct eeepc_laptop *eeepc, int cm) |
a5fa429b | 222 | { |
13f70029 AJ |
223 | const char *method = cm_getv[cm]; |
224 | int value; | |
a5fa429b | 225 | |
13f70029 AJ |
226 | if (method == NULL) |
227 | return -ENODEV; | |
a7624b63 | 228 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
13f70029 | 229 | return -ENODEV; |
a195dcdc | 230 | |
a7624b63 | 231 | if (read_acpi_int(eeepc->handle, method, &value)) |
22441ffe | 232 | pr_warn("Error reading %s\n", method); |
e59f8796 | 233 | return value; |
a195dcdc MG |
234 | } |
235 | ||
f90be874 CC |
236 | static int acpi_setter_handle(struct eeepc_laptop *eeepc, int cm, |
237 | acpi_handle *handle) | |
a195dcdc | 238 | { |
854c7836 AJ |
239 | const char *method = cm_setv[cm]; |
240 | acpi_status status; | |
a195dcdc | 241 | |
854c7836 AJ |
242 | if (method == NULL) |
243 | return -ENODEV; | |
244 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) | |
245 | return -ENODEV; | |
a195dcdc | 246 | |
854c7836 | 247 | status = acpi_get_handle(eeepc->handle, (char *)method, |
f90be874 | 248 | handle); |
854c7836 | 249 | if (status != AE_OK) { |
22441ffe | 250 | pr_warn("Error finding %s\n", method); |
854c7836 AJ |
251 | return -ENODEV; |
252 | } | |
253 | return 0; | |
cede2cb6 PE |
254 | } |
255 | ||
854c7836 | 256 | |
e59f8796 EC |
257 | /* |
258 | * Sys helpers | |
259 | */ | |
95369a73 | 260 | static int parse_arg(const char *buf, int *val) |
e59f8796 | 261 | { |
e59f8796 EC |
262 | if (sscanf(buf, "%i", val) != 1) |
263 | return -EINVAL; | |
95369a73 | 264 | return 0; |
e59f8796 EC |
265 | } |
266 | ||
854c7836 AJ |
267 | static ssize_t store_sys_acpi(struct device *dev, int cm, |
268 | const char *buf, size_t count) | |
e59f8796 | 269 | { |
854c7836 | 270 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
e59f8796 EC |
271 | int rv, value; |
272 | ||
95369a73 PB |
273 | rv = parse_arg(buf, &value); |
274 | if (rv < 0) | |
275 | return rv; | |
276 | rv = set_acpi(eeepc, cm, value); | |
277 | if (rv < 0) | |
6dff29b6 | 278 | return -EIO; |
95369a73 | 279 | return count; |
e59f8796 EC |
280 | } |
281 | ||
854c7836 | 282 | static ssize_t show_sys_acpi(struct device *dev, int cm, char *buf) |
e59f8796 | 283 | { |
854c7836 AJ |
284 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
285 | int value = get_acpi(eeepc, cm); | |
f36509e7 CC |
286 | |
287 | if (value < 0) | |
6dff29b6 | 288 | return -EIO; |
f36509e7 | 289 | return sprintf(buf, "%d\n", value); |
e59f8796 EC |
290 | } |
291 | ||
97971325 | 292 | #define EEEPC_ACPI_SHOW_FUNC(_name, _cm) \ |
8c72fc8b | 293 | static ssize_t _name##_show(struct device *dev, \ |
e59f8796 EC |
294 | struct device_attribute *attr, \ |
295 | char *buf) \ | |
296 | { \ | |
854c7836 | 297 | return show_sys_acpi(dev, _cm, buf); \ |
97971325 FK |
298 | } |
299 | ||
300 | #define EEEPC_ACPI_STORE_FUNC(_name, _cm) \ | |
8c72fc8b | 301 | static ssize_t _name##_store(struct device *dev, \ |
e59f8796 EC |
302 | struct device_attribute *attr, \ |
303 | const char *buf, size_t count) \ | |
304 | { \ | |
854c7836 | 305 | return store_sys_acpi(dev, _cm, buf, count); \ |
97971325 FK |
306 | } |
307 | ||
6fe3a77f | 308 | #define EEEPC_CREATE_DEVICE_ATTR_RW(_name, _cm) \ |
97971325 FK |
309 | EEEPC_ACPI_SHOW_FUNC(_name, _cm) \ |
310 | EEEPC_ACPI_STORE_FUNC(_name, _cm) \ | |
6fe3a77f | 311 | static DEVICE_ATTR_RW(_name) |
e59f8796 | 312 | |
6fe3a77f FK |
313 | #define EEEPC_CREATE_DEVICE_ATTR_WO(_name, _cm) \ |
314 | EEEPC_ACPI_STORE_FUNC(_name, _cm) \ | |
315 | static DEVICE_ATTR_WO(_name) | |
316 | ||
317 | EEEPC_CREATE_DEVICE_ATTR_RW(camera, CM_ASL_CAMERA); | |
318 | EEEPC_CREATE_DEVICE_ATTR_RW(cardr, CM_ASL_CARDREADER); | |
319 | EEEPC_CREATE_DEVICE_ATTR_WO(disp, CM_ASL_DISPLAYSWITCH); | |
b31d0fde CC |
320 | |
321 | struct eeepc_cpufv { | |
322 | int num; | |
323 | int cur; | |
324 | }; | |
325 | ||
854c7836 | 326 | static int get_cpufv(struct eeepc_laptop *eeepc, struct eeepc_cpufv *c) |
b31d0fde | 327 | { |
854c7836 | 328 | c->cur = get_acpi(eeepc, CM_ASL_CPUFV); |
a5c155b1 FK |
329 | if (c->cur < 0) |
330 | return -ENODEV; | |
331 | ||
b31d0fde CC |
332 | c->num = (c->cur >> 8) & 0xff; |
333 | c->cur &= 0xff; | |
a5c155b1 | 334 | if (c->num == 0 || c->num > 12) |
b31d0fde CC |
335 | return -ENODEV; |
336 | return 0; | |
337 | } | |
338 | ||
8c72fc8b | 339 | static ssize_t available_cpufv_show(struct device *dev, |
b31d0fde CC |
340 | struct device_attribute *attr, |
341 | char *buf) | |
342 | { | |
854c7836 | 343 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
344 | struct eeepc_cpufv c; |
345 | int i; | |
346 | ssize_t len = 0; | |
347 | ||
854c7836 | 348 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
349 | return -ENODEV; |
350 | for (i = 0; i < c.num; i++) | |
351 | len += sprintf(buf + len, "%d ", i); | |
352 | len += sprintf(buf + len, "\n"); | |
353 | return len; | |
354 | } | |
355 | ||
8c72fc8b | 356 | static ssize_t cpufv_show(struct device *dev, |
b31d0fde CC |
357 | struct device_attribute *attr, |
358 | char *buf) | |
359 | { | |
854c7836 | 360 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
361 | struct eeepc_cpufv c; |
362 | ||
854c7836 | 363 | if (get_cpufv(eeepc, &c)) |
b31d0fde CC |
364 | return -ENODEV; |
365 | return sprintf(buf, "%#x\n", (c.num << 8) | c.cur); | |
366 | } | |
367 | ||
8c72fc8b | 368 | static ssize_t cpufv_store(struct device *dev, |
b31d0fde CC |
369 | struct device_attribute *attr, |
370 | const char *buf, size_t count) | |
371 | { | |
854c7836 | 372 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
b31d0fde CC |
373 | struct eeepc_cpufv c; |
374 | int rv, value; | |
375 | ||
da8ba01d AJ |
376 | if (eeepc->cpufv_disabled) |
377 | return -EPERM; | |
854c7836 | 378 | if (get_cpufv(eeepc, &c)) |
b31d0fde | 379 | return -ENODEV; |
95369a73 | 380 | rv = parse_arg(buf, &value); |
b31d0fde CC |
381 | if (rv < 0) |
382 | return rv; | |
95369a73 | 383 | if (value < 0 || value >= c.num) |
b31d0fde | 384 | return -EINVAL; |
d4869038 FK |
385 | rv = set_acpi(eeepc, CM_ASL_CPUFV, value); |
386 | if (rv) | |
387 | return rv; | |
95369a73 | 388 | return count; |
b31d0fde CC |
389 | } |
390 | ||
8c72fc8b | 391 | static ssize_t cpufv_disabled_show(struct device *dev, |
da8ba01d AJ |
392 | struct device_attribute *attr, |
393 | char *buf) | |
394 | { | |
395 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
396 | ||
397 | return sprintf(buf, "%d\n", eeepc->cpufv_disabled); | |
398 | } | |
399 | ||
8c72fc8b | 400 | static ssize_t cpufv_disabled_store(struct device *dev, |
da8ba01d AJ |
401 | struct device_attribute *attr, |
402 | const char *buf, size_t count) | |
403 | { | |
404 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); | |
405 | int rv, value; | |
406 | ||
95369a73 | 407 | rv = parse_arg(buf, &value); |
da8ba01d AJ |
408 | if (rv < 0) |
409 | return rv; | |
410 | ||
411 | switch (value) { | |
412 | case 0: | |
413 | if (eeepc->cpufv_disabled) | |
9f662b20 | 414 | pr_warn("cpufv enabled (not officially supported on this model)\n"); |
da8ba01d | 415 | eeepc->cpufv_disabled = false; |
95369a73 | 416 | return count; |
da8ba01d AJ |
417 | case 1: |
418 | return -EPERM; | |
419 | default: | |
420 | return -EINVAL; | |
421 | } | |
422 | } | |
423 | ||
424 | ||
bb382dba FK |
425 | static DEVICE_ATTR_RW(cpufv); |
426 | static DEVICE_ATTR_RO(available_cpufv); | |
427 | static DEVICE_ATTR_RW(cpufv_disabled); | |
da8ba01d | 428 | |
e59f8796 EC |
429 | static struct attribute *platform_attributes[] = { |
430 | &dev_attr_camera.attr, | |
431 | &dev_attr_cardr.attr, | |
432 | &dev_attr_disp.attr, | |
158ca1d7 | 433 | &dev_attr_cpufv.attr, |
b31d0fde | 434 | &dev_attr_available_cpufv.attr, |
da8ba01d | 435 | &dev_attr_cpufv_disabled.attr, |
e59f8796 EC |
436 | NULL |
437 | }; | |
438 | ||
130bbe63 | 439 | static const struct attribute_group platform_attribute_group = { |
e59f8796 EC |
440 | .attrs = platform_attributes |
441 | }; | |
442 | ||
854c7836 | 443 | static int eeepc_platform_init(struct eeepc_laptop *eeepc) |
a195dcdc | 444 | { |
9db106be | 445 | int result; |
a195dcdc | 446 | |
854c7836 AJ |
447 | eeepc->platform_device = platform_device_alloc(EEEPC_LAPTOP_FILE, -1); |
448 | if (!eeepc->platform_device) | |
9db106be | 449 | return -ENOMEM; |
854c7836 | 450 | platform_set_drvdata(eeepc->platform_device, eeepc); |
a195dcdc | 451 | |
854c7836 | 452 | result = platform_device_add(eeepc->platform_device); |
9db106be AJ |
453 | if (result) |
454 | goto fail_platform_device; | |
a195dcdc | 455 | |
854c7836 | 456 | result = sysfs_create_group(&eeepc->platform_device->dev.kobj, |
9db106be AJ |
457 | &platform_attribute_group); |
458 | if (result) | |
459 | goto fail_sysfs; | |
460 | return 0; | |
a195dcdc | 461 | |
9db106be | 462 | fail_sysfs: |
854c7836 | 463 | platform_device_del(eeepc->platform_device); |
9db106be | 464 | fail_platform_device: |
854c7836 | 465 | platform_device_put(eeepc->platform_device); |
9db106be | 466 | return result; |
a195dcdc MG |
467 | } |
468 | ||
854c7836 | 469 | static void eeepc_platform_exit(struct eeepc_laptop *eeepc) |
a195dcdc | 470 | { |
854c7836 | 471 | sysfs_remove_group(&eeepc->platform_device->dev.kobj, |
9db106be | 472 | &platform_attribute_group); |
854c7836 | 473 | platform_device_unregister(eeepc->platform_device); |
9db106be | 474 | } |
a195dcdc | 475 | |
3c0eb510 CC |
476 | /* |
477 | * LEDs | |
478 | */ | |
479 | /* | |
480 | * These functions actually update the LED's, and are called from a | |
481 | * workqueue. By doing this as separate work rather than when the LED | |
482 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
483 | * potentially bad time, such as a timer interrupt. | |
484 | */ | |
854c7836 | 485 | static void tpd_led_update(struct work_struct *work) |
447a5647 | 486 | { |
854c7836 | 487 | struct eeepc_laptop *eeepc; |
a195dcdc | 488 | |
854c7836 | 489 | eeepc = container_of(work, struct eeepc_laptop, tpd_led_work); |
3c0eb510 | 490 | |
854c7836 | 491 | set_acpi(eeepc, CM_ASL_TPD, eeepc->tpd_led_wk); |
a195dcdc MG |
492 | } |
493 | ||
3c0eb510 CC |
494 | static void tpd_led_set(struct led_classdev *led_cdev, |
495 | enum led_brightness value) | |
a195dcdc | 496 | { |
854c7836 | 497 | struct eeepc_laptop *eeepc; |
a195dcdc | 498 | |
854c7836 | 499 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
a195dcdc | 500 | |
854c7836 AJ |
501 | eeepc->tpd_led_wk = (value > 0) ? 1 : 0; |
502 | queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); | |
a195dcdc MG |
503 | } |
504 | ||
62a75d83 CC |
505 | static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) |
506 | { | |
507 | struct eeepc_laptop *eeepc; | |
508 | ||
509 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); | |
510 | ||
511 | return get_acpi(eeepc, CM_ASL_TPD); | |
512 | } | |
513 | ||
854c7836 | 514 | static int eeepc_led_init(struct eeepc_laptop *eeepc) |
dbfa3ba9 | 515 | { |
52bbe3c7 | 516 | int rv; |
dbfa3ba9 | 517 | |
854c7836 | 518 | if (get_acpi(eeepc, CM_ASL_TPD) == -ENODEV) |
52bbe3c7 | 519 | return 0; |
dbfa3ba9 | 520 | |
854c7836 AJ |
521 | eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
522 | if (!eeepc->led_workqueue) | |
52bbe3c7 | 523 | return -ENOMEM; |
854c7836 | 524 | INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); |
dbfa3ba9 | 525 | |
854c7836 AJ |
526 | eeepc->tpd_led.name = "eeepc::touchpad"; |
527 | eeepc->tpd_led.brightness_set = tpd_led_set; | |
62a75d83 | 528 | if (get_acpi(eeepc, CM_ASL_TPD) >= 0) /* if method is available */ |
39a3e17e | 529 | eeepc->tpd_led.brightness_get = tpd_led_get; |
854c7836 | 530 | eeepc->tpd_led.max_brightness = 1; |
e59f8796 | 531 | |
854c7836 AJ |
532 | rv = led_classdev_register(&eeepc->platform_device->dev, |
533 | &eeepc->tpd_led); | |
52bbe3c7 | 534 | if (rv) { |
854c7836 | 535 | destroy_workqueue(eeepc->led_workqueue); |
52bbe3c7 | 536 | return rv; |
e59f8796 | 537 | } |
a195dcdc | 538 | |
e59f8796 EC |
539 | return 0; |
540 | } | |
541 | ||
854c7836 | 542 | static void eeepc_led_exit(struct eeepc_laptop *eeepc) |
a5fa429b | 543 | { |
5d6afd15 | 544 | if (!IS_ERR_OR_NULL(eeepc->tpd_led.dev)) |
854c7836 AJ |
545 | led_classdev_unregister(&eeepc->tpd_led); |
546 | if (eeepc->led_workqueue) | |
547 | destroy_workqueue(eeepc->led_workqueue); | |
a5fa429b CC |
548 | } |
549 | ||
2b121bc2 | 550 | |
52bbe3c7 AJ |
551 | /* |
552 | * PCI hotplug (for wlan rfkill) | |
553 | */ | |
854c7836 | 554 | static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) |
52bbe3c7 | 555 | { |
854c7836 | 556 | if (get_acpi(eeepc, CM_ASL_WLAN) == 1) |
52bbe3c7 AJ |
557 | return false; |
558 | return true; | |
2b121bc2 CC |
559 | } |
560 | ||
14fdb152 | 561 | static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) |
5740294c | 562 | { |
14fdb152 | 563 | struct pci_dev *port; |
5740294c | 564 | struct pci_dev *dev; |
6d41839e | 565 | struct pci_bus *bus; |
854c7836 | 566 | bool blocked = eeepc_wlan_rfkill_blocked(eeepc); |
bc9d24a3 AJ |
567 | bool absent; |
568 | u32 l; | |
5740294c | 569 | |
a7624b63 AJ |
570 | if (eeepc->wlan_rfkill) |
571 | rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); | |
6d41839e | 572 | |
a7624b63 | 573 | mutex_lock(&eeepc->hotplug_lock); |
8b9ec1da | 574 | pci_lock_rescan_remove(); |
dcf443b5 | 575 | |
125450f8 | 576 | if (!eeepc->hotplug_slot.ops) |
248d4903 | 577 | goto out_unlock; |
14fdb152 | 578 | |
248d4903 FK |
579 | port = acpi_get_pci_dev(handle); |
580 | if (!port) { | |
581 | pr_warning("Unable to find port\n"); | |
582 | goto out_unlock; | |
583 | } | |
14fdb152 | 584 | |
248d4903 | 585 | bus = port->subordinate; |
07e84aa9 | 586 | |
248d4903 FK |
587 | if (!bus) { |
588 | pr_warn("Unable to find PCI bus 1?\n"); | |
589 | goto out_put_dev; | |
590 | } | |
591 | ||
592 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { | |
593 | pr_err("Unable to read PCI config space?\n"); | |
594 | goto out_put_dev; | |
595 | } | |
14fdb152 | 596 | |
248d4903 | 597 | absent = (l == 0xffffffff); |
bc9d24a3 | 598 | |
248d4903 | 599 | if (blocked != absent) { |
9f662b20 | 600 | pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n", |
248d4903 FK |
601 | blocked ? "blocked" : "unblocked", |
602 | absent ? "absent" : "present"); | |
9f662b20 | 603 | pr_warn("skipped wireless hotplug as probably inappropriate for this model\n"); |
248d4903 FK |
604 | goto out_put_dev; |
605 | } | |
bc9d24a3 | 606 | |
248d4903 FK |
607 | if (!blocked) { |
608 | dev = pci_get_slot(bus, 0); | |
609 | if (dev) { | |
610 | /* Device already present */ | |
611 | pci_dev_put(dev); | |
f661848b | 612 | goto out_put_dev; |
bc9d24a3 | 613 | } |
248d4903 FK |
614 | dev = pci_scan_single_device(bus, 0); |
615 | if (dev) { | |
616 | pci_bus_assign_resources(bus); | |
617 | pci_bus_add_device(dev); | |
618 | } | |
619 | } else { | |
620 | dev = pci_get_slot(bus, 0); | |
621 | if (dev) { | |
622 | pci_stop_and_remove_bus_device(dev); | |
623 | pci_dev_put(dev); | |
5740294c MG |
624 | } |
625 | } | |
248d4903 FK |
626 | out_put_dev: |
627 | pci_dev_put(port); | |
dcf443b5 AJ |
628 | |
629 | out_unlock: | |
8b9ec1da | 630 | pci_unlock_rescan_remove(); |
a7624b63 | 631 | mutex_unlock(&eeepc->hotplug_lock); |
5740294c MG |
632 | } |
633 | ||
14fdb152 MG |
634 | static void eeepc_rfkill_hotplug_update(struct eeepc_laptop *eeepc, char *node) |
635 | { | |
636 | acpi_status status = AE_OK; | |
637 | acpi_handle handle; | |
638 | ||
639 | status = acpi_get_handle(NULL, node, &handle); | |
640 | ||
641 | if (ACPI_SUCCESS(status)) | |
642 | eeepc_rfkill_hotplug(eeepc, handle); | |
643 | } | |
644 | ||
96e9cfeb AJ |
645 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
646 | { | |
854c7836 AJ |
647 | struct eeepc_laptop *eeepc = data; |
648 | ||
96e9cfeb AJ |
649 | if (event != ACPI_NOTIFY_BUS_CHECK) |
650 | return; | |
651 | ||
14fdb152 | 652 | eeepc_rfkill_hotplug(eeepc, handle); |
e59f8796 EC |
653 | } |
654 | ||
854c7836 AJ |
655 | static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, |
656 | char *node) | |
5740294c | 657 | { |
854c7836 | 658 | acpi_status status; |
5740294c MG |
659 | acpi_handle handle; |
660 | ||
661 | status = acpi_get_handle(NULL, node, &handle); | |
662 | ||
557b4549 | 663 | if (ACPI_FAILURE(status)) |
5740294c MG |
664 | return -ENODEV; |
665 | ||
557b4549 FK |
666 | status = acpi_install_notify_handler(handle, |
667 | ACPI_SYSTEM_NOTIFY, | |
668 | eeepc_rfkill_notify, | |
669 | eeepc); | |
670 | if (ACPI_FAILURE(status)) | |
671 | pr_warn("Failed to register notify on %s\n", node); | |
672 | ||
673 | /* | |
674 | * Refresh pci hotplug in case the rfkill state was | |
675 | * changed during setup. | |
676 | */ | |
677 | eeepc_rfkill_hotplug(eeepc, handle); | |
5740294c MG |
678 | return 0; |
679 | } | |
680 | ||
854c7836 AJ |
681 | static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, |
682 | char *node) | |
5740294c MG |
683 | { |
684 | acpi_status status = AE_OK; | |
685 | acpi_handle handle; | |
686 | ||
687 | status = acpi_get_handle(NULL, node, &handle); | |
688 | ||
557b4549 FK |
689 | if (ACPI_FAILURE(status)) |
690 | return; | |
691 | ||
692 | status = acpi_remove_notify_handler(handle, | |
693 | ACPI_SYSTEM_NOTIFY, | |
694 | eeepc_rfkill_notify); | |
695 | if (ACPI_FAILURE(status)) | |
696 | pr_err("Error removing rfkill notify handler %s\n", | |
697 | node); | |
698 | /* | |
699 | * Refresh pci hotplug in case the rfkill | |
700 | * state was changed after | |
701 | * eeepc_unregister_rfkill_notifier() | |
702 | */ | |
703 | eeepc_rfkill_hotplug(eeepc, handle); | |
5740294c MG |
704 | } |
705 | ||
52bbe3c7 AJ |
706 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
707 | u8 *value) | |
708 | { | |
125450f8 LW |
709 | struct eeepc_laptop *eeepc; |
710 | int val; | |
711 | ||
712 | eeepc = container_of(hotplug_slot, struct eeepc_laptop, hotplug_slot); | |
713 | val = get_acpi(eeepc, CM_ASL_WLAN); | |
52bbe3c7 AJ |
714 | |
715 | if (val == 1 || val == 0) | |
716 | *value = val; | |
717 | else | |
718 | return -EINVAL; | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
81c4b5bf | 723 | static const struct hotplug_slot_ops eeepc_hotplug_slot_ops = { |
52bbe3c7 AJ |
724 | .get_adapter_status = eeepc_get_adapter_status, |
725 | .get_power_status = eeepc_get_adapter_status, | |
726 | }; | |
727 | ||
854c7836 | 728 | static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc) |
2b121bc2 CC |
729 | { |
730 | int ret = -ENOMEM; | |
731 | struct pci_bus *bus = pci_find_bus(0, 1); | |
732 | ||
733 | if (!bus) { | |
19b53289 | 734 | pr_err("Unable to find wifi PCI bus\n"); |
2b121bc2 CC |
735 | return -ENODEV; |
736 | } | |
737 | ||
125450f8 | 738 | eeepc->hotplug_slot.ops = &eeepc_hotplug_slot_ops; |
2b121bc2 | 739 | |
125450f8 | 740 | ret = pci_hp_register(&eeepc->hotplug_slot, bus, 0, "eeepc-wifi"); |
2b121bc2 | 741 | if (ret) { |
19b53289 | 742 | pr_err("Unable to register hotplug slot - %d\n", ret); |
2b121bc2 CC |
743 | goto error_register; |
744 | } | |
745 | ||
746 | return 0; | |
747 | ||
748 | error_register: | |
125450f8 | 749 | eeepc->hotplug_slot.ops = NULL; |
2b121bc2 CC |
750 | return ret; |
751 | } | |
752 | ||
52bbe3c7 AJ |
753 | /* |
754 | * Rfkill devices | |
755 | */ | |
756 | static int eeepc_rfkill_set(void *data, bool blocked) | |
96e9cfeb | 757 | { |
854c7836 | 758 | acpi_handle handle = data; |
c200da5d | 759 | |
854c7836 | 760 | return write_acpi_int(handle, NULL, !blocked); |
c200da5d | 761 | } |
96e9cfeb | 762 | |
52bbe3c7 AJ |
763 | static const struct rfkill_ops eeepc_rfkill_ops = { |
764 | .set_block = eeepc_rfkill_set, | |
765 | }; | |
766 | ||
854c7836 AJ |
767 | static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, |
768 | struct rfkill **rfkill, | |
769 | const char *name, | |
52bbe3c7 AJ |
770 | enum rfkill_type type, int cm) |
771 | { | |
854c7836 | 772 | acpi_handle handle; |
52bbe3c7 AJ |
773 | int result; |
774 | ||
854c7836 | 775 | result = acpi_setter_handle(eeepc, cm, &handle); |
52bbe3c7 AJ |
776 | if (result < 0) |
777 | return result; | |
778 | ||
854c7836 AJ |
779 | *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, |
780 | &eeepc_rfkill_ops, handle); | |
96e9cfeb | 781 | |
52bbe3c7 AJ |
782 | if (!*rfkill) |
783 | return -EINVAL; | |
784 | ||
854c7836 | 785 | rfkill_init_sw_state(*rfkill, get_acpi(eeepc, cm) != 1); |
52bbe3c7 AJ |
786 | result = rfkill_register(*rfkill); |
787 | if (result) { | |
788 | rfkill_destroy(*rfkill); | |
789 | *rfkill = NULL; | |
790 | return result; | |
791 | } | |
96e9cfeb AJ |
792 | return 0; |
793 | } | |
794 | ||
792bd2a5 FK |
795 | static char EEEPC_RFKILL_NODE_1[] = "\\_SB.PCI0.P0P5"; |
796 | static char EEEPC_RFKILL_NODE_2[] = "\\_SB.PCI0.P0P6"; | |
797 | static char EEEPC_RFKILL_NODE_3[] = "\\_SB.PCI0.P0P7"; | |
798 | ||
854c7836 | 799 | static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) |
52bbe3c7 | 800 | { |
792bd2a5 FK |
801 | eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1); |
802 | eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2); | |
803 | eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3); | |
a7624b63 AJ |
804 | if (eeepc->wlan_rfkill) { |
805 | rfkill_unregister(eeepc->wlan_rfkill); | |
806 | rfkill_destroy(eeepc->wlan_rfkill); | |
807 | eeepc->wlan_rfkill = NULL; | |
52bbe3c7 | 808 | } |
14fdb152 | 809 | |
125450f8 LW |
810 | if (eeepc->hotplug_slot.ops) |
811 | pci_hp_deregister(&eeepc->hotplug_slot); | |
52bbe3c7 | 812 | |
a7624b63 AJ |
813 | if (eeepc->bluetooth_rfkill) { |
814 | rfkill_unregister(eeepc->bluetooth_rfkill); | |
815 | rfkill_destroy(eeepc->bluetooth_rfkill); | |
816 | eeepc->bluetooth_rfkill = NULL; | |
52bbe3c7 | 817 | } |
a7624b63 AJ |
818 | if (eeepc->wwan3g_rfkill) { |
819 | rfkill_unregister(eeepc->wwan3g_rfkill); | |
820 | rfkill_destroy(eeepc->wwan3g_rfkill); | |
821 | eeepc->wwan3g_rfkill = NULL; | |
52bbe3c7 | 822 | } |
a7624b63 AJ |
823 | if (eeepc->wimax_rfkill) { |
824 | rfkill_unregister(eeepc->wimax_rfkill); | |
825 | rfkill_destroy(eeepc->wimax_rfkill); | |
826 | eeepc->wimax_rfkill = NULL; | |
52bbe3c7 AJ |
827 | } |
828 | } | |
829 | ||
854c7836 | 830 | static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
831 | { |
832 | int result = 0; | |
833 | ||
a7624b63 | 834 | mutex_init(&eeepc->hotplug_lock); |
52bbe3c7 | 835 | |
854c7836 AJ |
836 | result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, |
837 | "eeepc-wlan", RFKILL_TYPE_WLAN, | |
838 | CM_ASL_WLAN); | |
52bbe3c7 AJ |
839 | |
840 | if (result && result != -ENODEV) | |
841 | goto exit; | |
842 | ||
854c7836 AJ |
843 | result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, |
844 | "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, | |
845 | CM_ASL_BLUETOOTH); | |
52bbe3c7 AJ |
846 | |
847 | if (result && result != -ENODEV) | |
848 | goto exit; | |
849 | ||
854c7836 AJ |
850 | result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, |
851 | "eeepc-wwan3g", RFKILL_TYPE_WWAN, | |
852 | CM_ASL_3G); | |
52bbe3c7 AJ |
853 | |
854 | if (result && result != -ENODEV) | |
855 | goto exit; | |
856 | ||
854c7836 AJ |
857 | result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill, |
858 | "eeepc-wimax", RFKILL_TYPE_WIMAX, | |
859 | CM_ASL_WIMAX); | |
52bbe3c7 AJ |
860 | |
861 | if (result && result != -ENODEV) | |
862 | goto exit; | |
863 | ||
10ae4b56 CC |
864 | if (eeepc->hotplug_disabled) |
865 | return 0; | |
866 | ||
854c7836 | 867 | result = eeepc_setup_pci_hotplug(eeepc); |
52bbe3c7 AJ |
868 | /* |
869 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
870 | * don't fail in this case | |
871 | */ | |
872 | if (result == -EBUSY) | |
873 | result = 0; | |
874 | ||
792bd2a5 FK |
875 | eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1); |
876 | eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2); | |
877 | eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3); | |
52bbe3c7 AJ |
878 | |
879 | exit: | |
880 | if (result && result != -ENODEV) | |
854c7836 | 881 | eeepc_rfkill_exit(eeepc); |
52bbe3c7 AJ |
882 | return result; |
883 | } | |
884 | ||
e1faa9da | 885 | /* |
52bbe3c7 | 886 | * Platform driver - hibernate/resume callbacks |
e1faa9da | 887 | */ |
854c7836 | 888 | static int eeepc_hotk_thaw(struct device *device) |
96e9cfeb | 889 | { |
854c7836 AJ |
890 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
891 | ||
a7624b63 | 892 | if (eeepc->wlan_rfkill) { |
efef8729 | 893 | int wlan; |
96e9cfeb | 894 | |
c1edd99f AJ |
895 | /* |
896 | * Work around bios bug - acpi _PTS turns off the wireless led | |
897 | * during suspend. Normally it restores it on resume, but | |
c200da5d | 898 | * we should kick it ourselves in case hibernation is aborted. |
96e9cfeb | 899 | */ |
854c7836 | 900 | wlan = get_acpi(eeepc, CM_ASL_WLAN); |
efef8729 FK |
901 | if (wlan >= 0) |
902 | set_acpi(eeepc, CM_ASL_WLAN, wlan); | |
c200da5d AJ |
903 | } |
904 | ||
905 | return 0; | |
906 | } | |
96e9cfeb | 907 | |
854c7836 | 908 | static int eeepc_hotk_restore(struct device *device) |
c200da5d | 909 | { |
854c7836 AJ |
910 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
911 | ||
c200da5d | 912 | /* Refresh both wlan rfkill state and pci hotplug */ |
14fdb152 | 913 | if (eeepc->wlan_rfkill) { |
792bd2a5 FK |
914 | eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_1); |
915 | eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_2); | |
916 | eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_3); | |
14fdb152 | 917 | } |
96e9cfeb | 918 | |
a7624b63 AJ |
919 | if (eeepc->bluetooth_rfkill) |
920 | rfkill_set_sw_state(eeepc->bluetooth_rfkill, | |
854c7836 | 921 | get_acpi(eeepc, CM_ASL_BLUETOOTH) != 1); |
a7624b63 AJ |
922 | if (eeepc->wwan3g_rfkill) |
923 | rfkill_set_sw_state(eeepc->wwan3g_rfkill, | |
854c7836 | 924 | get_acpi(eeepc, CM_ASL_3G) != 1); |
a7624b63 AJ |
925 | if (eeepc->wimax_rfkill) |
926 | rfkill_set_sw_state(eeepc->wimax_rfkill, | |
854c7836 | 927 | get_acpi(eeepc, CM_ASL_WIMAX) != 1); |
96e9cfeb AJ |
928 | |
929 | return 0; | |
930 | } | |
931 | ||
9a3bff23 | 932 | static const struct dev_pm_ops eeepc_pm_ops = { |
854c7836 AJ |
933 | .thaw = eeepc_hotk_thaw, |
934 | .restore = eeepc_hotk_restore, | |
52bbe3c7 AJ |
935 | }; |
936 | ||
937 | static struct platform_driver platform_driver = { | |
938 | .driver = { | |
a7624b63 | 939 | .name = EEEPC_LAPTOP_FILE, |
52bbe3c7 AJ |
940 | .pm = &eeepc_pm_ops, |
941 | } | |
942 | }; | |
943 | ||
e1faa9da | 944 | /* |
52bbe3c7 | 945 | * Hwmon device |
e1faa9da | 946 | */ |
52bbe3c7 AJ |
947 | |
948 | #define EEEPC_EC_SC00 0x61 | |
949 | #define EEEPC_EC_FAN_PWM (EEEPC_EC_SC00 + 2) /* Fan PWM duty cycle (%) */ | |
950 | #define EEEPC_EC_FAN_HRPM (EEEPC_EC_SC00 + 5) /* High byte, fan speed (RPM) */ | |
951 | #define EEEPC_EC_FAN_LRPM (EEEPC_EC_SC00 + 6) /* Low byte, fan speed (RPM) */ | |
952 | ||
953 | #define EEEPC_EC_SFB0 0xD0 | |
954 | #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ | |
955 | ||
148a5dd5 FK |
956 | static inline int eeepc_pwm_to_lmsensors(int value) |
957 | { | |
958 | return value * 255 / 100; | |
959 | } | |
960 | ||
961 | static inline int eeepc_lmsensors_to_pwm(int value) | |
962 | { | |
963 | value = clamp_val(value, 0, 255); | |
964 | return value * 100 / 255; | |
965 | } | |
966 | ||
e1faa9da CC |
967 | static int eeepc_get_fan_pwm(void) |
968 | { | |
463b4e47 | 969 | u8 value = 0; |
e1faa9da | 970 | |
463b4e47 | 971 | ec_read(EEEPC_EC_FAN_PWM, &value); |
148a5dd5 | 972 | return eeepc_pwm_to_lmsensors(value); |
e1faa9da CC |
973 | } |
974 | ||
975 | static void eeepc_set_fan_pwm(int value) | |
976 | { | |
148a5dd5 | 977 | value = eeepc_lmsensors_to_pwm(value); |
463b4e47 | 978 | ec_write(EEEPC_EC_FAN_PWM, value); |
e1faa9da CC |
979 | } |
980 | ||
981 | static int eeepc_get_fan_rpm(void) | |
982 | { | |
463b4e47 AJ |
983 | u8 high = 0; |
984 | u8 low = 0; | |
e1faa9da | 985 | |
463b4e47 AJ |
986 | ec_read(EEEPC_EC_FAN_HRPM, &high); |
987 | ec_read(EEEPC_EC_FAN_LRPM, &low); | |
988 | return high << 8 | low; | |
e1faa9da CC |
989 | } |
990 | ||
a5de681c FK |
991 | #define EEEPC_EC_FAN_CTRL_BIT 0x02 |
992 | #define EEEPC_FAN_CTRL_MANUAL 1 | |
993 | #define EEEPC_FAN_CTRL_AUTO 2 | |
994 | ||
e1faa9da CC |
995 | static int eeepc_get_fan_ctrl(void) |
996 | { | |
463b4e47 | 997 | u8 value = 0; |
e1faa9da | 998 | |
463b4e47 | 999 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
a5de681c FK |
1000 | if (value & EEEPC_EC_FAN_CTRL_BIT) |
1001 | return EEEPC_FAN_CTRL_MANUAL; | |
48718688 | 1002 | else |
a5de681c | 1003 | return EEEPC_FAN_CTRL_AUTO; |
e1faa9da CC |
1004 | } |
1005 | ||
1006 | static void eeepc_set_fan_ctrl(int manual) | |
1007 | { | |
463b4e47 | 1008 | u8 value = 0; |
e1faa9da | 1009 | |
463b4e47 | 1010 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
a5de681c FK |
1011 | if (manual == EEEPC_FAN_CTRL_MANUAL) |
1012 | value |= EEEPC_EC_FAN_CTRL_BIT; | |
e1faa9da | 1013 | else |
a5de681c | 1014 | value &= ~EEEPC_EC_FAN_CTRL_BIT; |
463b4e47 | 1015 | ec_write(EEEPC_EC_FAN_CTRL, value); |
e1faa9da CC |
1016 | } |
1017 | ||
1018 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) | |
1019 | { | |
1020 | int rv, value; | |
1021 | ||
95369a73 PB |
1022 | rv = parse_arg(buf, &value); |
1023 | if (rv < 0) | |
1024 | return rv; | |
1025 | set(value); | |
1026 | return count; | |
e1faa9da CC |
1027 | } |
1028 | ||
1029 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) | |
1030 | { | |
1031 | return sprintf(buf, "%d\n", get()); | |
1032 | } | |
1033 | ||
28ac85f7 | 1034 | #define EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
48d4a5b2 | 1035 | static ssize_t _name##_show(struct device *dev, \ |
e1faa9da CC |
1036 | struct device_attribute *attr, \ |
1037 | char *buf) \ | |
1038 | { \ | |
1ec9d399 | 1039 | return show_sys_hwmon(_get, buf); \ |
28ac85f7 FK |
1040 | } |
1041 | ||
1042 | #define EEEPC_SENSOR_STORE_FUNC(_name, _set) \ | |
48d4a5b2 | 1043 | static ssize_t _name##_store(struct device *dev, \ |
e1faa9da CC |
1044 | struct device_attribute *attr, \ |
1045 | const char *buf, size_t count) \ | |
1046 | { \ | |
1ec9d399 | 1047 | return store_sys_hwmon(_set, buf, count); \ |
28ac85f7 FK |
1048 | } |
1049 | ||
48d4a5b2 | 1050 | #define EEEPC_CREATE_SENSOR_ATTR_RW(_name, _get, _set) \ |
28ac85f7 FK |
1051 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
1052 | EEEPC_SENSOR_STORE_FUNC(_name, _set) \ | |
48d4a5b2 FK |
1053 | static DEVICE_ATTR_RW(_name) |
1054 | ||
1055 | #define EEEPC_CREATE_SENSOR_ATTR_RO(_name, _get) \ | |
1056 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ | |
1057 | static DEVICE_ATTR_RO(_name) | |
e1faa9da | 1058 | |
48d4a5b2 FK |
1059 | EEEPC_CREATE_SENSOR_ATTR_RO(fan1_input, eeepc_get_fan_rpm); |
1060 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1, eeepc_get_fan_pwm, | |
1061 | eeepc_set_fan_pwm); | |
1062 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1_enable, eeepc_get_fan_ctrl, | |
1063 | eeepc_set_fan_ctrl); | |
e1faa9da | 1064 | |
f0c34c97 GR |
1065 | static struct attribute *hwmon_attrs[] = { |
1066 | &dev_attr_pwm1.attr, | |
1067 | &dev_attr_fan1_input.attr, | |
1068 | &dev_attr_pwm1_enable.attr, | |
e1faa9da CC |
1069 | NULL |
1070 | }; | |
f0c34c97 | 1071 | ATTRIBUTE_GROUPS(hwmon); |
a9df80c5 | 1072 | |
854c7836 | 1073 | static int eeepc_hwmon_init(struct eeepc_laptop *eeepc) |
a9df80c5 | 1074 | { |
f0c34c97 | 1075 | struct device *dev = &eeepc->platform_device->dev; |
52bbe3c7 | 1076 | struct device *hwmon; |
7de39389 | 1077 | |
f0c34c97 GR |
1078 | hwmon = devm_hwmon_device_register_with_groups(dev, "eeepc", NULL, |
1079 | hwmon_groups); | |
52bbe3c7 AJ |
1080 | if (IS_ERR(hwmon)) { |
1081 | pr_err("Could not register eeepc hwmon device\n"); | |
52bbe3c7 | 1082 | return PTR_ERR(hwmon); |
a8258069 | 1083 | } |
f0c34c97 | 1084 | return 0; |
a9df80c5 CC |
1085 | } |
1086 | ||
52bbe3c7 AJ |
1087 | /* |
1088 | * Backlight device | |
1089 | */ | |
1090 | static int read_brightness(struct backlight_device *bd) | |
a9df80c5 | 1091 | { |
854c7836 AJ |
1092 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
1093 | ||
1094 | return get_acpi(eeepc, CM_ASL_PANELBRIGHT); | |
a5fa429b CC |
1095 | } |
1096 | ||
52bbe3c7 | 1097 | static int set_brightness(struct backlight_device *bd, int value) |
e1faa9da | 1098 | { |
854c7836 | 1099 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
e1faa9da | 1100 | |
854c7836 | 1101 | return set_acpi(eeepc, CM_ASL_PANELBRIGHT, value); |
e1faa9da CC |
1102 | } |
1103 | ||
52bbe3c7 | 1104 | static int update_bl_status(struct backlight_device *bd) |
7de39389 | 1105 | { |
52bbe3c7 AJ |
1106 | return set_brightness(bd, bd->props.brightness); |
1107 | } | |
7de39389 | 1108 | |
acc2472e | 1109 | static const struct backlight_ops eeepcbl_ops = { |
52bbe3c7 AJ |
1110 | .get_brightness = read_brightness, |
1111 | .update_status = update_bl_status, | |
1112 | }; | |
7de39389 | 1113 | |
854c7836 | 1114 | static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1115 | { |
854c7836 | 1116 | struct backlight_device *bd = eeepc->backlight_device; |
52bbe3c7 | 1117 | int old = bd->props.brightness; |
7de39389 | 1118 | |
52bbe3c7 | 1119 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); |
7de39389 | 1120 | |
52bbe3c7 | 1121 | return old; |
7de39389 CC |
1122 | } |
1123 | ||
854c7836 | 1124 | static int eeepc_backlight_init(struct eeepc_laptop *eeepc) |
7de39389 | 1125 | { |
a19a6ee6 | 1126 | struct backlight_properties props; |
a5fa429b | 1127 | struct backlight_device *bd; |
7334546a | 1128 | |
a19a6ee6 | 1129 | memset(&props, 0, sizeof(struct backlight_properties)); |
bb7ca747 | 1130 | props.type = BACKLIGHT_PLATFORM; |
a19a6ee6 | 1131 | props.max_brightness = 15; |
854c7836 | 1132 | bd = backlight_device_register(EEEPC_LAPTOP_FILE, |
a19a6ee6 MG |
1133 | &eeepc->platform_device->dev, eeepc, |
1134 | &eeepcbl_ops, &props); | |
a5fa429b | 1135 | if (IS_ERR(bd)) { |
19b53289 | 1136 | pr_err("Could not register eeepc backlight device\n"); |
854c7836 | 1137 | eeepc->backlight_device = NULL; |
a5fa429b CC |
1138 | return PTR_ERR(bd); |
1139 | } | |
854c7836 | 1140 | eeepc->backlight_device = bd; |
854c7836 | 1141 | bd->props.brightness = read_brightness(bd); |
a5fa429b CC |
1142 | bd->props.power = FB_BLANK_UNBLANK; |
1143 | backlight_update_status(bd); | |
1144 | return 0; | |
1145 | } | |
7de39389 | 1146 | |
854c7836 | 1147 | static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) |
e1faa9da | 1148 | { |
00981810 | 1149 | backlight_device_unregister(eeepc->backlight_device); |
854c7836 | 1150 | eeepc->backlight_device = NULL; |
52bbe3c7 | 1151 | } |
7de39389 | 1152 | |
7de39389 | 1153 | |
52bbe3c7 AJ |
1154 | /* |
1155 | * Input device (i.e. hotkeys) | |
1156 | */ | |
642e0447 | 1157 | static int eeepc_input_init(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1158 | { |
642e0447 DT |
1159 | struct input_dev *input; |
1160 | int error; | |
3cd530b5 | 1161 | |
642e0447 | 1162 | input = input_allocate_device(); |
b222cca6 | 1163 | if (!input) |
642e0447 | 1164 | return -ENOMEM; |
07e84aa9 | 1165 | |
642e0447 DT |
1166 | input->name = "Asus EeePC extra buttons"; |
1167 | input->phys = EEEPC_LAPTOP_FILE "/input0"; | |
1168 | input->id.bustype = BUS_HOST; | |
1169 | input->dev.parent = &eeepc->platform_device->dev; | |
7de39389 | 1170 | |
642e0447 DT |
1171 | error = sparse_keymap_setup(input, eeepc_keymap, NULL); |
1172 | if (error) { | |
1173 | pr_err("Unable to setup input device keymap\n"); | |
1174 | goto err_free_dev; | |
a5fa429b | 1175 | } |
52bbe3c7 | 1176 | |
642e0447 DT |
1177 | error = input_register_device(input); |
1178 | if (error) { | |
1179 | pr_err("Unable to register input device\n"); | |
de3c91c1 | 1180 | goto err_free_dev; |
e1faa9da | 1181 | } |
52bbe3c7 | 1182 | |
642e0447 | 1183 | eeepc->inputdev = input; |
f2a9d5e8 | 1184 | return 0; |
642e0447 | 1185 | |
71e687dc | 1186 | err_free_dev: |
642e0447 DT |
1187 | input_free_device(input); |
1188 | return error; | |
f2a9d5e8 AJ |
1189 | } |
1190 | ||
854c7836 | 1191 | static void eeepc_input_exit(struct eeepc_laptop *eeepc) |
e59f8796 | 1192 | { |
de3c91c1 | 1193 | if (eeepc->inputdev) |
a7624b63 | 1194 | input_unregister_device(eeepc->inputdev); |
71e687dc | 1195 | eeepc->inputdev = NULL; |
52bbe3c7 | 1196 | } |
3c0eb510 | 1197 | |
52bbe3c7 AJ |
1198 | /* |
1199 | * ACPI driver | |
1200 | */ | |
ce6c468f CC |
1201 | static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) |
1202 | { | |
1203 | if (!eeepc->inputdev) | |
fb1d97a2 | 1204 | return; |
ce6c468f CC |
1205 | if (!sparse_keymap_report_event(eeepc->inputdev, event, 1, true)) |
1206 | pr_info("Unknown key %x pressed\n", event); | |
1207 | } | |
1208 | ||
a7624b63 | 1209 | static void eeepc_acpi_notify(struct acpi_device *device, u32 event) |
52bbe3c7 | 1210 | { |
854c7836 | 1211 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
fb1d97a2 | 1212 | int old_brightness, new_brightness; |
52bbe3c7 | 1213 | u16 count; |
3c0eb510 | 1214 | |
52bbe3c7 AJ |
1215 | if (event > ACPI_MAX_SYS_NOTIFY) |
1216 | return; | |
a7624b63 | 1217 | count = eeepc->event_count[event % 128]++; |
854c7836 AJ |
1218 | acpi_bus_generate_netlink_event(device->pnp.device_class, |
1219 | dev_name(&device->dev), event, | |
52bbe3c7 | 1220 | count); |
3c0eb510 | 1221 | |
325fb8e9 | 1222 | /* Brightness events are special */ |
fb1d97a2 | 1223 | if (event < NOTIFY_BRN_MIN || event > NOTIFY_BRN_MAX) { |
ce6c468f | 1224 | eeepc_input_notify(eeepc, event); |
fb1d97a2 FK |
1225 | return; |
1226 | } | |
1227 | ||
1228 | /* Ignore them completely if the acpi video driver is used */ | |
1229 | if (!eeepc->backlight_device) | |
1230 | return; | |
1231 | ||
1232 | /* Update the backlight device. */ | |
1233 | old_brightness = eeepc_backlight_notify(eeepc); | |
1234 | ||
1235 | /* Convert event to keypress (obsolescent hack) */ | |
1236 | new_brightness = event - NOTIFY_BRN_MIN; | |
1237 | ||
1238 | if (new_brightness < old_brightness) { | |
1239 | event = NOTIFY_BRN_MIN; /* brightness down */ | |
1240 | } else if (new_brightness > old_brightness) { | |
1241 | event = NOTIFY_BRN_MAX; /* brightness up */ | |
1242 | } else { | |
1243 | /* | |
1244 | * no change in brightness - already at min/max, | |
1245 | * event will be desired value (or else ignored) | |
1246 | */ | |
52bbe3c7 | 1247 | } |
fb1d97a2 | 1248 | eeepc_input_notify(eeepc, event); |
52bbe3c7 AJ |
1249 | } |
1250 | ||
da8ba01d AJ |
1251 | static void eeepc_dmi_check(struct eeepc_laptop *eeepc) |
1252 | { | |
1253 | const char *model; | |
1254 | ||
10ae4b56 CC |
1255 | model = dmi_get_system_info(DMI_PRODUCT_NAME); |
1256 | if (!model) | |
1257 | return; | |
1258 | ||
da8ba01d AJ |
1259 | /* |
1260 | * Blacklist for setting cpufv (cpu speed). | |
1261 | * | |
1262 | * EeePC 4G ("701") implements CFVS, but it is not supported | |
1263 | * by the pre-installed OS, and the original option to change it | |
1264 | * in the BIOS setup screen was removed in later versions. | |
1265 | * | |
1266 | * Judging by the lack of "Super Hybrid Engine" on Asus product pages, | |
1267 | * this applies to all "701" models (4G/4G Surf/2G Surf). | |
1268 | * | |
1269 | * So Asus made a deliberate decision not to support it on this model. | |
1270 | * We have several reports that using it can cause the system to hang | |
1271 | * | |
1272 | * The hang has also been reported on a "702" (Model name "8G"?). | |
1273 | * | |
1274 | * We avoid dmi_check_system() / dmi_match(), because they use | |
1275 | * substring matching. We don't want to affect the "701SD" | |
1276 | * and "701SDX" models, because they do support S.H.E. | |
1277 | */ | |
da8ba01d AJ |
1278 | if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { |
1279 | eeepc->cpufv_disabled = true; | |
9f662b20 FK |
1280 | pr_info("model %s does not officially support setting cpu speed\n", |
1281 | model); | |
da8ba01d AJ |
1282 | pr_info("cpufv disabled to avoid instability\n"); |
1283 | } | |
10ae4b56 CC |
1284 | |
1285 | /* | |
1286 | * Blacklist for wlan hotplug | |
1287 | * | |
1288 | * Eeepc 1005HA doesn't work like others models and don't need the | |
1289 | * hotplug code. In fact, current hotplug code seems to unplug another | |
1290 | * device... | |
1291 | */ | |
ced69c59 AJ |
1292 | if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 || |
1293 | strcmp(model, "1005PE") == 0) { | |
10ae4b56 CC |
1294 | eeepc->hotplug_disabled = true; |
1295 | pr_info("wlan hotplug disabled\n"); | |
1296 | } | |
da8ba01d AJ |
1297 | } |
1298 | ||
854c7836 | 1299 | static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) |
52bbe3c7 AJ |
1300 | { |
1301 | int dummy; | |
1302 | ||
c8440336 | 1303 | /* Some BIOSes do not report cm although it is available. |
52bbe3c7 | 1304 | Check if cm_getv[cm] works and, if yes, assume cm should be set. */ |
a7624b63 AJ |
1305 | if (!(eeepc->cm_supported & (1 << cm)) |
1306 | && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { | |
9f662b20 FK |
1307 | pr_info("%s (%x) not reported by BIOS, enabling anyway\n", |
1308 | name, 1 << cm); | |
a7624b63 | 1309 | eeepc->cm_supported |= 1 << cm; |
52bbe3c7 AJ |
1310 | } |
1311 | } | |
1312 | ||
854c7836 | 1313 | static void cmsg_quirks(struct eeepc_laptop *eeepc) |
52bbe3c7 | 1314 | { |
854c7836 AJ |
1315 | cmsg_quirk(eeepc, CM_ASL_LID, "LID"); |
1316 | cmsg_quirk(eeepc, CM_ASL_TYPE, "TYPE"); | |
1317 | cmsg_quirk(eeepc, CM_ASL_PANELPOWER, "PANELPOWER"); | |
1318 | cmsg_quirk(eeepc, CM_ASL_TPD, "TPD"); | |
52bbe3c7 AJ |
1319 | } |
1320 | ||
b859f159 | 1321 | static int eeepc_acpi_init(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
1322 | { |
1323 | unsigned int init_flags; | |
e59f8796 EC |
1324 | int result; |
1325 | ||
71e687dc | 1326 | result = acpi_bus_get_status(eeepc->device); |
1e779854 | 1327 | if (result) |
52bbe3c7 | 1328 | return result; |
71e687dc | 1329 | if (!eeepc->device->status.present) { |
52bbe3c7 AJ |
1330 | pr_err("Hotkey device not present, aborting\n"); |
1331 | return -ENODEV; | |
1332 | } | |
cede2cb6 | 1333 | |
52bbe3c7 AJ |
1334 | init_flags = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; |
1335 | pr_notice("Hotkey init flags 0x%x\n", init_flags); | |
1336 | ||
a7624b63 | 1337 | if (write_acpi_int(eeepc->handle, "INIT", init_flags)) { |
52bbe3c7 AJ |
1338 | pr_err("Hotkey initialization failed\n"); |
1339 | return -ENODEV; | |
e59f8796 | 1340 | } |
52bbe3c7 AJ |
1341 | |
1342 | /* get control methods supported */ | |
a7624b63 | 1343 | if (read_acpi_int(eeepc->handle, "CMSG", &eeepc->cm_supported)) { |
52bbe3c7 AJ |
1344 | pr_err("Get control methods supported failed\n"); |
1345 | return -ENODEV; | |
dc56ad9b | 1346 | } |
854c7836 | 1347 | cmsg_quirks(eeepc); |
a7624b63 | 1348 | pr_info("Get control methods supported: 0x%x\n", eeepc->cm_supported); |
2b56f1c1 | 1349 | |
3c0eb510 CC |
1350 | return 0; |
1351 | } | |
1352 | ||
b859f159 | 1353 | static void eeepc_enable_camera(struct eeepc_laptop *eeepc) |
52bbe3c7 AJ |
1354 | { |
1355 | /* | |
1356 | * If the following call to set_acpi() fails, it's because there's no | |
1357 | * camera so we can ignore the error. | |
1358 | */ | |
854c7836 AJ |
1359 | if (get_acpi(eeepc, CM_ASL_CAMERA) == 0) |
1360 | set_acpi(eeepc, CM_ASL_CAMERA, 1); | |
52bbe3c7 AJ |
1361 | } |
1362 | ||
854c7836 AJ |
1363 | static bool eeepc_device_present; |
1364 | ||
b859f159 | 1365 | static int eeepc_acpi_add(struct acpi_device *device) |
e59f8796 | 1366 | { |
854c7836 | 1367 | struct eeepc_laptop *eeepc; |
e59f8796 EC |
1368 | int result; |
1369 | ||
a7624b63 AJ |
1370 | pr_notice(EEEPC_LAPTOP_NAME "\n"); |
1371 | eeepc = kzalloc(sizeof(struct eeepc_laptop), GFP_KERNEL); | |
1372 | if (!eeepc) | |
1e779854 | 1373 | return -ENOMEM; |
a7624b63 AJ |
1374 | eeepc->handle = device->handle; |
1375 | strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME); | |
1376 | strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); | |
1377 | device->driver_data = eeepc; | |
71e687dc | 1378 | eeepc->device = device; |
cede2cb6 | 1379 | |
322a1356 CC |
1380 | eeepc->hotplug_disabled = hotplug_disabled; |
1381 | ||
da8ba01d AJ |
1382 | eeepc_dmi_check(eeepc); |
1383 | ||
71e687dc | 1384 | result = eeepc_acpi_init(eeepc); |
e59f8796 | 1385 | if (result) |
9db106be | 1386 | goto fail_platform; |
854c7836 | 1387 | eeepc_enable_camera(eeepc); |
7de39389 | 1388 | |
854c7836 AJ |
1389 | /* |
1390 | * Register the platform device first. It is used as a parent for the | |
1391 | * sub-devices below. | |
1392 | * | |
1393 | * Note that if there are multiple instances of this ACPI device it | |
1394 | * will bail out, because the platform device is registered with a | |
1395 | * fixed name. Of course it doesn't make sense to have more than one, | |
1396 | * and machine-specific scripts find the fixed name convenient. But | |
1397 | * It's also good for us to exclude multiple instances because both | |
1398 | * our hwmon and our wlan rfkill subdevice use global ACPI objects | |
1399 | * (the EC and the wlan PCI slot respectively). | |
1400 | */ | |
1401 | result = eeepc_platform_init(eeepc); | |
e59f8796 | 1402 | if (result) |
9db106be | 1403 | goto fail_platform; |
1ddec2f9 | 1404 | |
21db4b1d | 1405 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
854c7836 | 1406 | result = eeepc_backlight_init(eeepc); |
1ddec2f9 CC |
1407 | if (result) |
1408 | goto fail_backlight; | |
39a3e17e | 1409 | } |
1ddec2f9 | 1410 | |
854c7836 | 1411 | result = eeepc_input_init(eeepc); |
f2a9d5e8 AJ |
1412 | if (result) |
1413 | goto fail_input; | |
1414 | ||
854c7836 | 1415 | result = eeepc_hwmon_init(eeepc); |
1ddec2f9 CC |
1416 | if (result) |
1417 | goto fail_hwmon; | |
1418 | ||
854c7836 | 1419 | result = eeepc_led_init(eeepc); |
3c0eb510 CC |
1420 | if (result) |
1421 | goto fail_led; | |
1422 | ||
854c7836 | 1423 | result = eeepc_rfkill_init(eeepc); |
7de39389 CC |
1424 | if (result) |
1425 | goto fail_rfkill; | |
1426 | ||
854c7836 | 1427 | eeepc_device_present = true; |
e59f8796 | 1428 | return 0; |
1e779854 | 1429 | |
7de39389 | 1430 | fail_rfkill: |
854c7836 | 1431 | eeepc_led_exit(eeepc); |
3c0eb510 | 1432 | fail_led: |
1ddec2f9 | 1433 | fail_hwmon: |
854c7836 | 1434 | eeepc_input_exit(eeepc); |
f2a9d5e8 | 1435 | fail_input: |
854c7836 | 1436 | eeepc_backlight_exit(eeepc); |
1ddec2f9 | 1437 | fail_backlight: |
854c7836 | 1438 | eeepc_platform_exit(eeepc); |
9db106be | 1439 | fail_platform: |
a7624b63 | 1440 | kfree(eeepc); |
1e779854 | 1441 | |
e59f8796 EC |
1442 | return result; |
1443 | } | |
1444 | ||
51fac838 | 1445 | static int eeepc_acpi_remove(struct acpi_device *device) |
1e779854 | 1446 | { |
854c7836 | 1447 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
1e779854 | 1448 | |
854c7836 AJ |
1449 | eeepc_backlight_exit(eeepc); |
1450 | eeepc_rfkill_exit(eeepc); | |
1451 | eeepc_input_exit(eeepc); | |
854c7836 AJ |
1452 | eeepc_led_exit(eeepc); |
1453 | eeepc_platform_exit(eeepc); | |
1e779854 | 1454 | |
a7624b63 | 1455 | kfree(eeepc); |
1e779854 AJ |
1456 | return 0; |
1457 | } | |
1458 | ||
52bbe3c7 AJ |
1459 | |
1460 | static const struct acpi_device_id eeepc_device_ids[] = { | |
a7624b63 | 1461 | {EEEPC_ACPI_HID, 0}, |
52bbe3c7 AJ |
1462 | {"", 0}, |
1463 | }; | |
1464 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); | |
1465 | ||
a7624b63 AJ |
1466 | static struct acpi_driver eeepc_acpi_driver = { |
1467 | .name = EEEPC_LAPTOP_NAME, | |
1468 | .class = EEEPC_ACPI_CLASS, | |
52bbe3c7 AJ |
1469 | .owner = THIS_MODULE, |
1470 | .ids = eeepc_device_ids, | |
1471 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1472 | .ops = { | |
a7624b63 AJ |
1473 | .add = eeepc_acpi_add, |
1474 | .remove = eeepc_acpi_remove, | |
1475 | .notify = eeepc_acpi_notify, | |
52bbe3c7 AJ |
1476 | }, |
1477 | }; | |
1478 | ||
1479 | ||
1e779854 AJ |
1480 | static int __init eeepc_laptop_init(void) |
1481 | { | |
1482 | int result; | |
1483 | ||
22072e92 | 1484 | result = platform_driver_register(&platform_driver); |
1e779854 AJ |
1485 | if (result < 0) |
1486 | return result; | |
22072e92 | 1487 | |
a7624b63 | 1488 | result = acpi_bus_register_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1489 | if (result < 0) |
1490 | goto fail_acpi_driver; | |
642e0447 | 1491 | |
854c7836 | 1492 | if (!eeepc_device_present) { |
22072e92 AJ |
1493 | result = -ENODEV; |
1494 | goto fail_no_device; | |
1e779854 | 1495 | } |
642e0447 | 1496 | |
1e779854 | 1497 | return 0; |
22072e92 AJ |
1498 | |
1499 | fail_no_device: | |
a7624b63 | 1500 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 AJ |
1501 | fail_acpi_driver: |
1502 | platform_driver_unregister(&platform_driver); | |
1503 | return result; | |
1e779854 AJ |
1504 | } |
1505 | ||
1506 | static void __exit eeepc_laptop_exit(void) | |
1507 | { | |
a7624b63 | 1508 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
22072e92 | 1509 | platform_driver_unregister(&platform_driver); |
1e779854 AJ |
1510 | } |
1511 | ||
e59f8796 EC |
1512 | module_init(eeepc_laptop_init); |
1513 | module_exit(eeepc_laptop_exit); |