Commit | Line | Data |
---|---|---|
ee027e4a | 1 | /* |
e12e6d94 | 2 | * Asus PC WMI hotkey driver |
ee027e4a YW |
3 | * |
4 | * Copyright(C) 2010 Intel Corporation. | |
57ab7dae | 5 | * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> |
ee027e4a YW |
6 | * |
7 | * Portions based on wistron_btns.c: | |
8 | * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> | |
9 | * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> | |
10 | * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | */ | |
26 | ||
81248889 YW |
27 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
28 | ||
ee027e4a YW |
29 | #include <linux/kernel.h> |
30 | #include <linux/module.h> | |
31 | #include <linux/init.h> | |
32 | #include <linux/types.h> | |
a32f3926 | 33 | #include <linux/slab.h> |
ee027e4a YW |
34 | #include <linux/input.h> |
35 | #include <linux/input/sparse-keymap.h> | |
3d7b1655 YW |
36 | #include <linux/fb.h> |
37 | #include <linux/backlight.h> | |
084fca63 | 38 | #include <linux/leds.h> |
ba48fdb9 | 39 | #include <linux/rfkill.h> |
afa7c886 CC |
40 | #include <linux/pci.h> |
41 | #include <linux/pci_hotplug.h> | |
e07babde CC |
42 | #include <linux/hwmon.h> |
43 | #include <linux/hwmon-sysfs.h> | |
8c1b2d83 CC |
44 | #include <linux/debugfs.h> |
45 | #include <linux/seq_file.h> | |
45f2c693 | 46 | #include <linux/platform_device.h> |
6118b8ad | 47 | #include <linux/thermal.h> |
8b48463f | 48 | #include <linux/acpi.h> |
d8c66f62 | 49 | #include <linux/dmi.h> |
272c77d5 | 50 | #include <acpi/video.h> |
ee027e4a | 51 | |
e12e6d94 | 52 | #include "asus-wmi.h" |
45f2c693 | 53 | |
5909c654 | 54 | MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>, " |
e12e6d94 CC |
55 | "Yong Wang <yong.y.wang@intel.com>"); |
56 | MODULE_DESCRIPTION("Asus Generic WMI Driver"); | |
ee027e4a YW |
57 | MODULE_LICENSE("GPL"); |
58 | ||
e12e6d94 CC |
59 | #define to_asus_wmi_driver(pdrv) \ |
60 | (container_of((pdrv), struct asus_wmi_driver, platform_driver)) | |
ee027e4a | 61 | |
e12e6d94 | 62 | #define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66" |
ee027e4a | 63 | |
33e0e6fe CC |
64 | #define NOTIFY_BRNUP_MIN 0x11 |
65 | #define NOTIFY_BRNUP_MAX 0x1f | |
66 | #define NOTIFY_BRNDOWN_MIN 0x20 | |
67 | #define NOTIFY_BRNDOWN_MAX 0x2e | |
e9809c0b CC |
68 | #define NOTIFY_KBD_BRTUP 0xc4 |
69 | #define NOTIFY_KBD_BRTDWN 0xc5 | |
ee027e4a | 70 | |
43815941 | 71 | /* WMI Methods */ |
2f686b54 CC |
72 | #define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */ |
73 | #define ASUS_WMI_METHODID_SFBD 0x44424653 /* Set First Boot Device */ | |
74 | #define ASUS_WMI_METHODID_GLCD 0x44434C47 /* Get LCD status */ | |
75 | #define ASUS_WMI_METHODID_GPID 0x44495047 /* Get Panel ID?? (Resol) */ | |
76 | #define ASUS_WMI_METHODID_QMOD 0x444F4D51 /* Quiet MODe */ | |
77 | #define ASUS_WMI_METHODID_SPLV 0x4C425053 /* Set Panel Light Value */ | |
53e755c2 | 78 | #define ASUS_WMI_METHODID_AGFN 0x4E464741 /* FaN? */ |
2f686b54 CC |
79 | #define ASUS_WMI_METHODID_SFUN 0x4E554653 /* FUNCtionalities */ |
80 | #define ASUS_WMI_METHODID_SDSP 0x50534453 /* Set DiSPlay output */ | |
81 | #define ASUS_WMI_METHODID_GDSP 0x50534447 /* Get DiSPlay output */ | |
82 | #define ASUS_WMI_METHODID_DEVP 0x50564544 /* DEVice Policy */ | |
83 | #define ASUS_WMI_METHODID_OSVR 0x5256534F /* OS VeRsion */ | |
84 | #define ASUS_WMI_METHODID_DSTS 0x53544344 /* Device STatuS */ | |
85 | #define ASUS_WMI_METHODID_DSTS2 0x53545344 /* Device STatuS #2*/ | |
86 | #define ASUS_WMI_METHODID_BSTS 0x53545342 /* Bios STatuS ? */ | |
87 | #define ASUS_WMI_METHODID_DEVS 0x53564544 /* DEVice Set */ | |
88 | #define ASUS_WMI_METHODID_CFVS 0x53564643 /* CPU Frequency Volt Set */ | |
89 | #define ASUS_WMI_METHODID_KBFT 0x5446424B /* KeyBoard FilTer */ | |
90 | #define ASUS_WMI_METHODID_INIT 0x54494E49 /* INITialize */ | |
91 | #define ASUS_WMI_METHODID_HKEY 0x59454B48 /* Hot KEY ?? */ | |
3d7b1655 | 92 | |
d33da3b6 CC |
93 | #define ASUS_WMI_UNSUPPORTED_METHOD 0xFFFFFFFE |
94 | ||
43815941 | 95 | /* Wireless */ |
2f686b54 CC |
96 | #define ASUS_WMI_DEVID_HW_SWITCH 0x00010001 |
97 | #define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002 | |
79ec1172 | 98 | #define ASUS_WMI_DEVID_CWAP 0x00010003 |
e12e6d94 | 99 | #define ASUS_WMI_DEVID_WLAN 0x00010011 |
a50bd128 | 100 | #define ASUS_WMI_DEVID_WLAN_LED 0x00010012 |
e12e6d94 | 101 | #define ASUS_WMI_DEVID_BLUETOOTH 0x00010013 |
2f686b54 | 102 | #define ASUS_WMI_DEVID_GPS 0x00010015 |
e12e6d94 CC |
103 | #define ASUS_WMI_DEVID_WIMAX 0x00010017 |
104 | #define ASUS_WMI_DEVID_WWAN3G 0x00010019 | |
2f686b54 CC |
105 | #define ASUS_WMI_DEVID_UWB 0x00010021 |
106 | ||
107 | /* Leds */ | |
108 | /* 0x000200XX and 0x000400XX */ | |
79ec1172 CC |
109 | #define ASUS_WMI_DEVID_LED1 0x00020011 |
110 | #define ASUS_WMI_DEVID_LED2 0x00020012 | |
111 | #define ASUS_WMI_DEVID_LED3 0x00020013 | |
112 | #define ASUS_WMI_DEVID_LED4 0x00020014 | |
113 | #define ASUS_WMI_DEVID_LED5 0x00020015 | |
114 | #define ASUS_WMI_DEVID_LED6 0x00020016 | |
43815941 CC |
115 | |
116 | /* Backlight and Brightness */ | |
aca234f6 | 117 | #define ASUS_WMI_DEVID_ALS_ENABLE 0x00050001 /* Ambient Light Sensor */ |
e12e6d94 CC |
118 | #define ASUS_WMI_DEVID_BACKLIGHT 0x00050011 |
119 | #define ASUS_WMI_DEVID_BRIGHTNESS 0x00050012 | |
2f686b54 CC |
120 | #define ASUS_WMI_DEVID_KBD_BACKLIGHT 0x00050021 |
121 | #define ASUS_WMI_DEVID_LIGHT_SENSOR 0x00050022 /* ?? */ | |
43815941 CC |
122 | |
123 | /* Misc */ | |
e12e6d94 | 124 | #define ASUS_WMI_DEVID_CAMERA 0x00060013 |
43815941 CC |
125 | |
126 | /* Storage */ | |
e12e6d94 | 127 | #define ASUS_WMI_DEVID_CARDREADER 0x00080013 |
43815941 CC |
128 | |
129 | /* Input */ | |
57ab7dae | 130 | #define ASUS_WMI_DEVID_TOUCHPAD 0x00100011 |
e12e6d94 | 131 | #define ASUS_WMI_DEVID_TOUCHPAD_LED 0x00100012 |
3d7b1655 | 132 | |
2f686b54 CC |
133 | /* Fan, Thermal */ |
134 | #define ASUS_WMI_DEVID_THERMAL_CTRL 0x00110011 | |
135 | #define ASUS_WMI_DEVID_FAN_CTRL 0x00110012 | |
136 | ||
137 | /* Power */ | |
138 | #define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012 | |
139 | ||
c0b91b6d AK |
140 | /* Deep S3 / Resume on LID open */ |
141 | #define ASUS_WMI_DEVID_LID_RESUME 0x00120031 | |
142 | ||
43815941 | 143 | /* DSTS masks */ |
e12e6d94 | 144 | #define ASUS_WMI_DSTS_STATUS_BIT 0x00000001 |
a75fe0d7 | 145 | #define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002 |
e12e6d94 | 146 | #define ASUS_WMI_DSTS_PRESENCE_BIT 0x00010000 |
2f686b54 CC |
147 | #define ASUS_WMI_DSTS_USER_BIT 0x00020000 |
148 | #define ASUS_WMI_DSTS_BIOS_BIT 0x00040000 | |
e12e6d94 CC |
149 | #define ASUS_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF |
150 | #define ASUS_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00 | |
ee027e4a | 151 | |
53e755c2 KB |
152 | #define ASUS_FAN_DESC "cpu_fan" |
153 | #define ASUS_FAN_MFUN 0x13 | |
154 | #define ASUS_FAN_SFUN_READ 0x06 | |
155 | #define ASUS_FAN_SFUN_WRITE 0x07 | |
156 | #define ASUS_FAN_CTRL_MANUAL 1 | |
157 | #define ASUS_FAN_CTRL_AUTO 2 | |
158 | ||
3d7b1655 | 159 | struct bios_args { |
d33da3b6 CC |
160 | u32 arg0; |
161 | u32 arg1; | |
162 | } __packed; | |
3d7b1655 | 163 | |
53e755c2 KB |
164 | /* |
165 | * Struct that's used for all methods called via AGFN. Naming is | |
166 | * identically to the AML code. | |
167 | */ | |
168 | struct agfn_args { | |
169 | u16 mfun; /* probably "Multi-function" to be called */ | |
170 | u16 sfun; /* probably "Sub-function" to be called */ | |
171 | u16 len; /* size of the hole struct, including subfunction fields */ | |
172 | u8 stas; /* not used by now */ | |
173 | u8 err; /* zero on success */ | |
174 | } __packed; | |
175 | ||
176 | /* struct used for calling fan read and write methods */ | |
177 | struct fan_args { | |
178 | struct agfn_args agfn; /* common fields */ | |
179 | u8 fan; /* fan number: 0: set auto mode 1: 1st fan */ | |
180 | u32 speed; /* read: RPM/100 - write: 0-255 */ | |
181 | } __packed; | |
182 | ||
8c1b2d83 | 183 | /* |
e12e6d94 | 184 | * <platform>/ - debugfs root directory |
8c1b2d83 CC |
185 | * dev_id - current dev_id |
186 | * ctrl_param - current ctrl_param | |
ef343491 | 187 | * method_id - current method_id |
8c1b2d83 CC |
188 | * devs - call DEVS(dev_id, ctrl_param) and print result |
189 | * dsts - call DSTS(dev_id) and print result | |
ef343491 | 190 | * call - call method_id(dev_id, ctrl_param) and print result |
8c1b2d83 | 191 | */ |
e12e6d94 | 192 | struct asus_wmi_debug { |
8c1b2d83 | 193 | struct dentry *root; |
ef343491 | 194 | u32 method_id; |
8c1b2d83 CC |
195 | u32 dev_id; |
196 | u32 ctrl_param; | |
197 | }; | |
198 | ||
a7ce3f04 CC |
199 | struct asus_rfkill { |
200 | struct asus_wmi *asus; | |
201 | struct rfkill *rfkill; | |
202 | u32 dev_id; | |
203 | }; | |
204 | ||
e12e6d94 | 205 | struct asus_wmi { |
1d070f89 | 206 | int dsts_id; |
46dbca87 CC |
207 | int spec; |
208 | int sfun; | |
1d070f89 | 209 | |
81248889 | 210 | struct input_dev *inputdev; |
3d7b1655 | 211 | struct backlight_device *backlight_device; |
27c136c8 | 212 | struct platform_device *platform_device; |
084fca63 | 213 | |
6cae06e6 AK |
214 | struct led_classdev wlan_led; |
215 | int wlan_led_wk; | |
084fca63 CC |
216 | struct led_classdev tpd_led; |
217 | int tpd_led_wk; | |
e9809c0b CC |
218 | struct led_classdev kbd_led; |
219 | int kbd_led_wk; | |
084fca63 CC |
220 | struct workqueue_struct *led_workqueue; |
221 | struct work_struct tpd_led_work; | |
e9809c0b | 222 | struct work_struct kbd_led_work; |
6cae06e6 | 223 | struct work_struct wlan_led_work; |
ba48fdb9 | 224 | |
a7ce3f04 CC |
225 | struct asus_rfkill wlan; |
226 | struct asus_rfkill bluetooth; | |
227 | struct asus_rfkill wimax; | |
228 | struct asus_rfkill wwan3g; | |
43be8bde | 229 | struct asus_rfkill gps; |
a912d329 | 230 | struct asus_rfkill uwb; |
8c1b2d83 | 231 | |
53e755c2 KB |
232 | bool asus_hwmon_fan_manual_mode; |
233 | int asus_hwmon_num_fans; | |
234 | int asus_hwmon_pwm; | |
235 | ||
afa7c886 CC |
236 | struct hotplug_slot *hotplug_slot; |
237 | struct mutex hotplug_lock; | |
279f8f95 CC |
238 | struct mutex wmi_lock; |
239 | struct workqueue_struct *hotplug_workqueue; | |
240 | struct work_struct hotplug_work; | |
afa7c886 | 241 | |
e12e6d94 CC |
242 | struct asus_wmi_debug debug; |
243 | ||
244 | struct asus_wmi_driver *driver; | |
81248889 YW |
245 | }; |
246 | ||
e12e6d94 | 247 | static int asus_wmi_input_init(struct asus_wmi *asus) |
ee027e4a YW |
248 | { |
249 | int err; | |
250 | ||
e12e6d94 CC |
251 | asus->inputdev = input_allocate_device(); |
252 | if (!asus->inputdev) | |
ee027e4a YW |
253 | return -ENOMEM; |
254 | ||
58a9f397 CC |
255 | asus->inputdev->name = asus->driver->input_name; |
256 | asus->inputdev->phys = asus->driver->input_phys; | |
e12e6d94 CC |
257 | asus->inputdev->id.bustype = BUS_HOST; |
258 | asus->inputdev->dev.parent = &asus->platform_device->dev; | |
39bbde05 | 259 | set_bit(EV_REP, asus->inputdev->evbit); |
ee027e4a | 260 | |
e12e6d94 | 261 | err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL); |
ee027e4a YW |
262 | if (err) |
263 | goto err_free_dev; | |
264 | ||
e12e6d94 | 265 | err = input_register_device(asus->inputdev); |
ee027e4a YW |
266 | if (err) |
267 | goto err_free_keymap; | |
268 | ||
269 | return 0; | |
270 | ||
271 | err_free_keymap: | |
e12e6d94 | 272 | sparse_keymap_free(asus->inputdev); |
ee027e4a | 273 | err_free_dev: |
e12e6d94 | 274 | input_free_device(asus->inputdev); |
ee027e4a YW |
275 | return err; |
276 | } | |
277 | ||
e12e6d94 | 278 | static void asus_wmi_input_exit(struct asus_wmi *asus) |
81248889 | 279 | { |
e12e6d94 CC |
280 | if (asus->inputdev) { |
281 | sparse_keymap_free(asus->inputdev); | |
282 | input_unregister_device(asus->inputdev); | |
81248889 YW |
283 | } |
284 | ||
e12e6d94 | 285 | asus->inputdev = NULL; |
81248889 YW |
286 | } |
287 | ||
d33da3b6 CC |
288 | static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, |
289 | u32 *retval) | |
3d7b1655 | 290 | { |
d33da3b6 CC |
291 | struct bios_args args = { |
292 | .arg0 = arg0, | |
293 | .arg1 = arg1, | |
294 | }; | |
295 | struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; | |
3d7b1655 | 296 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; |
3d7b1655 | 297 | acpi_status status; |
d33da3b6 | 298 | union acpi_object *obj; |
8ad3be1e | 299 | u32 tmp = 0; |
3d7b1655 | 300 | |
d33da3b6 | 301 | status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id, |
afa7c886 | 302 | &input, &output); |
3d7b1655 YW |
303 | |
304 | if (ACPI_FAILURE(status)) | |
d33da3b6 | 305 | goto exit; |
3d7b1655 YW |
306 | |
307 | obj = (union acpi_object *)output.pointer; | |
308 | if (obj && obj->type == ACPI_TYPE_INTEGER) | |
e12e6d94 | 309 | tmp = (u32) obj->integer.value; |
3d7b1655 | 310 | |
2a3f0064 CC |
311 | if (retval) |
312 | *retval = tmp; | |
3d7b1655 YW |
313 | |
314 | kfree(obj); | |
315 | ||
d33da3b6 CC |
316 | exit: |
317 | if (ACPI_FAILURE(status)) | |
318 | return -EIO; | |
319 | ||
320 | if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) | |
321 | return -ENODEV; | |
3d7b1655 | 322 | |
d33da3b6 | 323 | return 0; |
3d7b1655 YW |
324 | } |
325 | ||
53e755c2 KB |
326 | static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args) |
327 | { | |
328 | struct acpi_buffer input; | |
329 | u64 phys_addr; | |
330 | u32 retval; | |
331 | u32 status = -1; | |
332 | ||
333 | /* | |
334 | * Copy to dma capable address otherwise memory corruption occurs as | |
335 | * bios has to be able to access it. | |
336 | */ | |
337 | input.pointer = kzalloc(args.length, GFP_DMA | GFP_KERNEL); | |
338 | input.length = args.length; | |
339 | if (!input.pointer) | |
340 | return -ENOMEM; | |
341 | phys_addr = virt_to_phys(input.pointer); | |
342 | memcpy(input.pointer, args.pointer, args.length); | |
343 | ||
344 | status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN, | |
345 | phys_addr, 0, &retval); | |
346 | if (!status) | |
347 | memcpy(args.pointer, input.pointer, args.length); | |
348 | ||
349 | kfree(input.pointer); | |
350 | if (status) | |
351 | return -ENXIO; | |
352 | ||
353 | return retval; | |
354 | } | |
355 | ||
1d070f89 | 356 | static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval) |
3d7b1655 | 357 | { |
1d070f89 | 358 | return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); |
d33da3b6 | 359 | } |
3d7b1655 | 360 | |
d33da3b6 | 361 | static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param, |
1d070f89 | 362 | u32 *retval) |
d33da3b6 CC |
363 | { |
364 | return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id, | |
365 | ctrl_param, retval); | |
3d7b1655 YW |
366 | } |
367 | ||
5c95638d | 368 | /* Helper for special devices with magic return codes */ |
1d070f89 CC |
369 | static int asus_wmi_get_devstate_bits(struct asus_wmi *asus, |
370 | u32 dev_id, u32 mask) | |
5c95638d CC |
371 | { |
372 | u32 retval = 0; | |
d33da3b6 | 373 | int err; |
5c95638d | 374 | |
1d070f89 | 375 | err = asus_wmi_get_devstate(asus, dev_id, &retval); |
5c95638d | 376 | |
d33da3b6 CC |
377 | if (err < 0) |
378 | return err; | |
5c95638d | 379 | |
e12e6d94 | 380 | if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT)) |
5c95638d CC |
381 | return -ENODEV; |
382 | ||
a75fe0d7 CC |
383 | if (mask == ASUS_WMI_DSTS_STATUS_BIT) { |
384 | if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT) | |
385 | return -ENODEV; | |
386 | } | |
387 | ||
b7187265 CC |
388 | return retval & mask; |
389 | } | |
390 | ||
1d070f89 | 391 | static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id) |
b7187265 | 392 | { |
1d070f89 CC |
393 | return asus_wmi_get_devstate_bits(asus, dev_id, |
394 | ASUS_WMI_DSTS_STATUS_BIT); | |
5c95638d CC |
395 | } |
396 | ||
084fca63 CC |
397 | /* |
398 | * LEDs | |
399 | */ | |
400 | /* | |
401 | * These functions actually update the LED's, and are called from a | |
402 | * workqueue. By doing this as separate work rather than when the LED | |
e12e6d94 | 403 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a |
084fca63 CC |
404 | * potentially bad time, such as a timer interrupt. |
405 | */ | |
406 | static void tpd_led_update(struct work_struct *work) | |
407 | { | |
408 | int ctrl_param; | |
e12e6d94 | 409 | struct asus_wmi *asus; |
084fca63 | 410 | |
e12e6d94 | 411 | asus = container_of(work, struct asus_wmi, tpd_led_work); |
084fca63 | 412 | |
e12e6d94 CC |
413 | ctrl_param = asus->tpd_led_wk; |
414 | asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL); | |
084fca63 CC |
415 | } |
416 | ||
417 | static void tpd_led_set(struct led_classdev *led_cdev, | |
418 | enum led_brightness value) | |
419 | { | |
e12e6d94 | 420 | struct asus_wmi *asus; |
084fca63 | 421 | |
e12e6d94 | 422 | asus = container_of(led_cdev, struct asus_wmi, tpd_led); |
084fca63 | 423 | |
e12e6d94 CC |
424 | asus->tpd_led_wk = !!value; |
425 | queue_work(asus->led_workqueue, &asus->tpd_led_work); | |
084fca63 CC |
426 | } |
427 | ||
e12e6d94 | 428 | static int read_tpd_led_state(struct asus_wmi *asus) |
084fca63 | 429 | { |
1d070f89 | 430 | return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED); |
084fca63 CC |
431 | } |
432 | ||
433 | static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) | |
434 | { | |
e12e6d94 | 435 | struct asus_wmi *asus; |
084fca63 | 436 | |
e12e6d94 | 437 | asus = container_of(led_cdev, struct asus_wmi, tpd_led); |
084fca63 | 438 | |
e12e6d94 | 439 | return read_tpd_led_state(asus); |
084fca63 CC |
440 | } |
441 | ||
e9809c0b | 442 | static void kbd_led_update(struct work_struct *work) |
084fca63 | 443 | { |
e9809c0b CC |
444 | int ctrl_param = 0; |
445 | struct asus_wmi *asus; | |
084fca63 | 446 | |
e9809c0b | 447 | asus = container_of(work, struct asus_wmi, kbd_led_work); |
084fca63 | 448 | |
e9809c0b CC |
449 | /* |
450 | * bits 0-2: level | |
451 | * bit 7: light on/off | |
452 | */ | |
453 | if (asus->kbd_led_wk > 0) | |
454 | ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F); | |
084fca63 | 455 | |
e9809c0b CC |
456 | asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL); |
457 | } | |
084fca63 | 458 | |
e9809c0b CC |
459 | static int kbd_led_read(struct asus_wmi *asus, int *level, int *env) |
460 | { | |
461 | int retval; | |
462 | ||
463 | /* | |
464 | * bits 0-2: level | |
465 | * bit 7: light on/off | |
466 | * bit 8-10: environment (0: dark, 1: normal, 2: light) | |
467 | * bit 17: status unknown | |
468 | */ | |
469 | retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT, | |
470 | 0xFFFF); | |
471 | ||
af965e97 | 472 | /* Unknown status is considered as off */ |
e9809c0b | 473 | if (retval == 0x8000) |
af965e97 | 474 | retval = 0; |
e9809c0b CC |
475 | |
476 | if (retval >= 0) { | |
477 | if (level) | |
c09b2237 | 478 | *level = retval & 0x7F; |
e9809c0b CC |
479 | if (env) |
480 | *env = (retval >> 8) & 0x7F; | |
481 | retval = 0; | |
084fca63 CC |
482 | } |
483 | ||
e9809c0b CC |
484 | return retval; |
485 | } | |
486 | ||
487 | static void kbd_led_set(struct led_classdev *led_cdev, | |
488 | enum led_brightness value) | |
489 | { | |
490 | struct asus_wmi *asus; | |
491 | ||
492 | asus = container_of(led_cdev, struct asus_wmi, kbd_led); | |
493 | ||
494 | if (value > asus->kbd_led.max_brightness) | |
495 | value = asus->kbd_led.max_brightness; | |
496 | else if (value < 0) | |
497 | value = 0; | |
498 | ||
499 | asus->kbd_led_wk = value; | |
500 | queue_work(asus->led_workqueue, &asus->kbd_led_work); | |
501 | } | |
502 | ||
503 | static enum led_brightness kbd_led_get(struct led_classdev *led_cdev) | |
504 | { | |
505 | struct asus_wmi *asus; | |
506 | int retval, value; | |
507 | ||
508 | asus = container_of(led_cdev, struct asus_wmi, kbd_led); | |
509 | ||
510 | retval = kbd_led_read(asus, &value, NULL); | |
511 | ||
512 | if (retval < 0) | |
513 | return retval; | |
514 | ||
515 | return value; | |
084fca63 CC |
516 | } |
517 | ||
6cae06e6 AK |
518 | static int wlan_led_unknown_state(struct asus_wmi *asus) |
519 | { | |
520 | u32 result; | |
521 | ||
522 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); | |
523 | ||
524 | return result & ASUS_WMI_DSTS_UNKNOWN_BIT; | |
525 | } | |
526 | ||
527 | static int wlan_led_presence(struct asus_wmi *asus) | |
528 | { | |
529 | u32 result; | |
530 | ||
531 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); | |
532 | ||
533 | return result & ASUS_WMI_DSTS_PRESENCE_BIT; | |
534 | } | |
535 | ||
536 | static void wlan_led_update(struct work_struct *work) | |
537 | { | |
538 | int ctrl_param; | |
539 | struct asus_wmi *asus; | |
540 | ||
541 | asus = container_of(work, struct asus_wmi, wlan_led_work); | |
542 | ||
543 | ctrl_param = asus->wlan_led_wk; | |
544 | asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL); | |
545 | } | |
546 | ||
547 | static void wlan_led_set(struct led_classdev *led_cdev, | |
548 | enum led_brightness value) | |
549 | { | |
550 | struct asus_wmi *asus; | |
551 | ||
552 | asus = container_of(led_cdev, struct asus_wmi, wlan_led); | |
553 | ||
554 | asus->wlan_led_wk = !!value; | |
555 | queue_work(asus->led_workqueue, &asus->wlan_led_work); | |
556 | } | |
557 | ||
558 | static enum led_brightness wlan_led_get(struct led_classdev *led_cdev) | |
559 | { | |
560 | struct asus_wmi *asus; | |
561 | u32 result; | |
562 | ||
563 | asus = container_of(led_cdev, struct asus_wmi, wlan_led); | |
564 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); | |
565 | ||
566 | return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK; | |
567 | } | |
568 | ||
e12e6d94 | 569 | static void asus_wmi_led_exit(struct asus_wmi *asus) |
084fca63 | 570 | { |
e9298028 AL |
571 | if (!IS_ERR_OR_NULL(asus->kbd_led.dev)) |
572 | led_classdev_unregister(&asus->kbd_led); | |
573 | if (!IS_ERR_OR_NULL(asus->tpd_led.dev)) | |
e12e6d94 | 574 | led_classdev_unregister(&asus->tpd_led); |
6cae06e6 AK |
575 | if (!IS_ERR_OR_NULL(asus->wlan_led.dev)) |
576 | led_classdev_unregister(&asus->wlan_led); | |
e12e6d94 CC |
577 | if (asus->led_workqueue) |
578 | destroy_workqueue(asus->led_workqueue); | |
084fca63 CC |
579 | } |
580 | ||
e9809c0b CC |
581 | static int asus_wmi_led_init(struct asus_wmi *asus) |
582 | { | |
30734049 | 583 | int rv = 0, led_val; |
e9809c0b CC |
584 | |
585 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); | |
586 | if (!asus->led_workqueue) | |
587 | return -ENOMEM; | |
588 | ||
589 | if (read_tpd_led_state(asus) >= 0) { | |
590 | INIT_WORK(&asus->tpd_led_work, tpd_led_update); | |
591 | ||
592 | asus->tpd_led.name = "asus::touchpad"; | |
593 | asus->tpd_led.brightness_set = tpd_led_set; | |
594 | asus->tpd_led.brightness_get = tpd_led_get; | |
595 | asus->tpd_led.max_brightness = 1; | |
596 | ||
597 | rv = led_classdev_register(&asus->platform_device->dev, | |
598 | &asus->tpd_led); | |
599 | if (rv) | |
600 | goto error; | |
601 | } | |
602 | ||
30734049 OR |
603 | led_val = kbd_led_read(asus, NULL, NULL); |
604 | if (led_val >= 0) { | |
e9809c0b CC |
605 | INIT_WORK(&asus->kbd_led_work, kbd_led_update); |
606 | ||
30734049 | 607 | asus->kbd_led_wk = led_val; |
e9809c0b CC |
608 | asus->kbd_led.name = "asus::kbd_backlight"; |
609 | asus->kbd_led.brightness_set = kbd_led_set; | |
610 | asus->kbd_led.brightness_get = kbd_led_get; | |
611 | asus->kbd_led.max_brightness = 3; | |
612 | ||
613 | rv = led_classdev_register(&asus->platform_device->dev, | |
614 | &asus->kbd_led); | |
6cae06e6 AK |
615 | if (rv) |
616 | goto error; | |
617 | } | |
618 | ||
f515623c | 619 | if (wlan_led_presence(asus) && (asus->driver->quirks->wapf > 0)) { |
6cae06e6 AK |
620 | INIT_WORK(&asus->wlan_led_work, wlan_led_update); |
621 | ||
622 | asus->wlan_led.name = "asus::wlan"; | |
623 | asus->wlan_led.brightness_set = wlan_led_set; | |
624 | if (!wlan_led_unknown_state(asus)) | |
625 | asus->wlan_led.brightness_get = wlan_led_get; | |
626 | asus->wlan_led.flags = LED_CORE_SUSPENDRESUME; | |
627 | asus->wlan_led.max_brightness = 1; | |
628 | asus->wlan_led.default_trigger = "asus-wlan"; | |
629 | ||
630 | rv = led_classdev_register(&asus->platform_device->dev, | |
631 | &asus->wlan_led); | |
e9809c0b CC |
632 | } |
633 | ||
634 | error: | |
635 | if (rv) | |
636 | asus_wmi_led_exit(asus); | |
637 | ||
638 | return rv; | |
639 | } | |
640 | ||
641 | ||
afa7c886 CC |
642 | /* |
643 | * PCI hotplug (for wlan rfkill) | |
644 | */ | |
e12e6d94 | 645 | static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus) |
afa7c886 | 646 | { |
1d070f89 | 647 | int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); |
afa7c886 | 648 | |
5c95638d | 649 | if (result < 0) |
afa7c886 | 650 | return false; |
5c95638d | 651 | return !result; |
afa7c886 CC |
652 | } |
653 | ||
e12e6d94 | 654 | static void asus_rfkill_hotplug(struct asus_wmi *asus) |
afa7c886 CC |
655 | { |
656 | struct pci_dev *dev; | |
657 | struct pci_bus *bus; | |
279f8f95 | 658 | bool blocked; |
afa7c886 CC |
659 | bool absent; |
660 | u32 l; | |
661 | ||
e12e6d94 CC |
662 | mutex_lock(&asus->wmi_lock); |
663 | blocked = asus_wlan_rfkill_blocked(asus); | |
664 | mutex_unlock(&asus->wmi_lock); | |
afa7c886 | 665 | |
e12e6d94 | 666 | mutex_lock(&asus->hotplug_lock); |
8b9ec1da | 667 | pci_lock_rescan_remove(); |
afa7c886 | 668 | |
a7ce3f04 CC |
669 | if (asus->wlan.rfkill) |
670 | rfkill_set_sw_state(asus->wlan.rfkill, blocked); | |
279f8f95 | 671 | |
e12e6d94 | 672 | if (asus->hotplug_slot) { |
afa7c886 CC |
673 | bus = pci_find_bus(0, 1); |
674 | if (!bus) { | |
5ad77dcf | 675 | pr_warn("Unable to find PCI bus 1?\n"); |
afa7c886 CC |
676 | goto out_unlock; |
677 | } | |
678 | ||
679 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { | |
680 | pr_err("Unable to read PCI config space?\n"); | |
681 | goto out_unlock; | |
682 | } | |
683 | absent = (l == 0xffffffff); | |
684 | ||
685 | if (blocked != absent) { | |
5ad77dcf JP |
686 | pr_warn("BIOS says wireless lan is %s, " |
687 | "but the pci device is %s\n", | |
688 | blocked ? "blocked" : "unblocked", | |
689 | absent ? "absent" : "present"); | |
690 | pr_warn("skipped wireless hotplug as probably " | |
691 | "inappropriate for this model\n"); | |
afa7c886 CC |
692 | goto out_unlock; |
693 | } | |
694 | ||
695 | if (!blocked) { | |
696 | dev = pci_get_slot(bus, 0); | |
697 | if (dev) { | |
698 | /* Device already present */ | |
699 | pci_dev_put(dev); | |
700 | goto out_unlock; | |
701 | } | |
702 | dev = pci_scan_single_device(bus, 0); | |
703 | if (dev) { | |
704 | pci_bus_assign_resources(bus); | |
c893d133 | 705 | pci_bus_add_device(dev); |
afa7c886 CC |
706 | } |
707 | } else { | |
708 | dev = pci_get_slot(bus, 0); | |
709 | if (dev) { | |
210647af | 710 | pci_stop_and_remove_bus_device(dev); |
afa7c886 CC |
711 | pci_dev_put(dev); |
712 | } | |
713 | } | |
714 | } | |
715 | ||
716 | out_unlock: | |
8b9ec1da | 717 | pci_unlock_rescan_remove(); |
e12e6d94 | 718 | mutex_unlock(&asus->hotplug_lock); |
afa7c886 CC |
719 | } |
720 | ||
e12e6d94 | 721 | static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data) |
afa7c886 | 722 | { |
e12e6d94 | 723 | struct asus_wmi *asus = data; |
afa7c886 CC |
724 | |
725 | if (event != ACPI_NOTIFY_BUS_CHECK) | |
726 | return; | |
727 | ||
279f8f95 | 728 | /* |
e12e6d94 | 729 | * We can't call directly asus_rfkill_hotplug because most |
279f8f95 CC |
730 | * of the time WMBC is still being executed and not reetrant. |
731 | * There is currently no way to tell ACPICA that we want this | |
e12e6d94 | 732 | * method to be serialized, we schedule a asus_rfkill_hotplug |
279f8f95 CC |
733 | * call later, in a safer context. |
734 | */ | |
e12e6d94 | 735 | queue_work(asus->hotplug_workqueue, &asus->hotplug_work); |
afa7c886 CC |
736 | } |
737 | ||
e12e6d94 | 738 | static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node) |
afa7c886 CC |
739 | { |
740 | acpi_status status; | |
741 | acpi_handle handle; | |
742 | ||
743 | status = acpi_get_handle(NULL, node, &handle); | |
744 | ||
745 | if (ACPI_SUCCESS(status)) { | |
746 | status = acpi_install_notify_handler(handle, | |
747 | ACPI_SYSTEM_NOTIFY, | |
e12e6d94 | 748 | asus_rfkill_notify, asus); |
afa7c886 | 749 | if (ACPI_FAILURE(status)) |
5ad77dcf | 750 | pr_warn("Failed to register notify on %s\n", node); |
afa7c886 CC |
751 | } else |
752 | return -ENODEV; | |
753 | ||
754 | return 0; | |
755 | } | |
756 | ||
e12e6d94 | 757 | static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node) |
afa7c886 CC |
758 | { |
759 | acpi_status status = AE_OK; | |
760 | acpi_handle handle; | |
761 | ||
762 | status = acpi_get_handle(NULL, node, &handle); | |
763 | ||
764 | if (ACPI_SUCCESS(status)) { | |
765 | status = acpi_remove_notify_handler(handle, | |
e12e6d94 CC |
766 | ACPI_SYSTEM_NOTIFY, |
767 | asus_rfkill_notify); | |
afa7c886 CC |
768 | if (ACPI_FAILURE(status)) |
769 | pr_err("Error removing rfkill notify handler %s\n", | |
e12e6d94 | 770 | node); |
afa7c886 CC |
771 | } |
772 | } | |
773 | ||
e12e6d94 CC |
774 | static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot, |
775 | u8 *value) | |
afa7c886 | 776 | { |
1d070f89 CC |
777 | struct asus_wmi *asus = hotplug_slot->private; |
778 | int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); | |
afa7c886 | 779 | |
5c95638d CC |
780 | if (result < 0) |
781 | return result; | |
afa7c886 | 782 | |
5c95638d | 783 | *value = !!result; |
afa7c886 CC |
784 | return 0; |
785 | } | |
786 | ||
e12e6d94 | 787 | static void asus_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
afa7c886 CC |
788 | { |
789 | kfree(hotplug_slot->info); | |
790 | kfree(hotplug_slot); | |
791 | } | |
792 | ||
e12e6d94 | 793 | static struct hotplug_slot_ops asus_hotplug_slot_ops = { |
afa7c886 | 794 | .owner = THIS_MODULE, |
e12e6d94 CC |
795 | .get_adapter_status = asus_get_adapter_status, |
796 | .get_power_status = asus_get_adapter_status, | |
afa7c886 CC |
797 | }; |
798 | ||
e12e6d94 | 799 | static void asus_hotplug_work(struct work_struct *work) |
279f8f95 | 800 | { |
e12e6d94 | 801 | struct asus_wmi *asus; |
279f8f95 | 802 | |
e12e6d94 CC |
803 | asus = container_of(work, struct asus_wmi, hotplug_work); |
804 | asus_rfkill_hotplug(asus); | |
279f8f95 CC |
805 | } |
806 | ||
e12e6d94 | 807 | static int asus_setup_pci_hotplug(struct asus_wmi *asus) |
afa7c886 CC |
808 | { |
809 | int ret = -ENOMEM; | |
810 | struct pci_bus *bus = pci_find_bus(0, 1); | |
811 | ||
812 | if (!bus) { | |
813 | pr_err("Unable to find wifi PCI bus\n"); | |
814 | return -ENODEV; | |
815 | } | |
816 | ||
e12e6d94 CC |
817 | asus->hotplug_workqueue = |
818 | create_singlethread_workqueue("hotplug_workqueue"); | |
819 | if (!asus->hotplug_workqueue) | |
279f8f95 CC |
820 | goto error_workqueue; |
821 | ||
e12e6d94 | 822 | INIT_WORK(&asus->hotplug_work, asus_hotplug_work); |
279f8f95 | 823 | |
e12e6d94 CC |
824 | asus->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
825 | if (!asus->hotplug_slot) | |
afa7c886 CC |
826 | goto error_slot; |
827 | ||
e12e6d94 CC |
828 | asus->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
829 | GFP_KERNEL); | |
830 | if (!asus->hotplug_slot->info) | |
afa7c886 CC |
831 | goto error_info; |
832 | ||
e12e6d94 CC |
833 | asus->hotplug_slot->private = asus; |
834 | asus->hotplug_slot->release = &asus_cleanup_pci_hotplug; | |
835 | asus->hotplug_slot->ops = &asus_hotplug_slot_ops; | |
836 | asus_get_adapter_status(asus->hotplug_slot, | |
837 | &asus->hotplug_slot->info->adapter_status); | |
afa7c886 | 838 | |
e12e6d94 | 839 | ret = pci_hp_register(asus->hotplug_slot, bus, 0, "asus-wifi"); |
afa7c886 CC |
840 | if (ret) { |
841 | pr_err("Unable to register hotplug slot - %d\n", ret); | |
842 | goto error_register; | |
843 | } | |
844 | ||
845 | return 0; | |
846 | ||
847 | error_register: | |
e12e6d94 | 848 | kfree(asus->hotplug_slot->info); |
afa7c886 | 849 | error_info: |
e12e6d94 CC |
850 | kfree(asus->hotplug_slot); |
851 | asus->hotplug_slot = NULL; | |
afa7c886 | 852 | error_slot: |
e12e6d94 | 853 | destroy_workqueue(asus->hotplug_workqueue); |
279f8f95 | 854 | error_workqueue: |
afa7c886 CC |
855 | return ret; |
856 | } | |
857 | ||
ba48fdb9 CC |
858 | /* |
859 | * Rfkill devices | |
860 | */ | |
e12e6d94 | 861 | static int asus_rfkill_set(void *data, bool blocked) |
ba48fdb9 | 862 | { |
a7ce3f04 | 863 | struct asus_rfkill *priv = data; |
ba48fdb9 | 864 | u32 ctrl_param = !blocked; |
a50bd128 | 865 | u32 dev_id = priv->dev_id; |
ba48fdb9 | 866 | |
a50bd128 AK |
867 | /* |
868 | * If the user bit is set, BIOS can't set and record the wlan status, | |
869 | * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED | |
870 | * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN). | |
871 | * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED | |
872 | * while setting the wlan status through WMI. | |
873 | * This is also the behavior that windows app will do. | |
874 | */ | |
875 | if ((dev_id == ASUS_WMI_DEVID_WLAN) && | |
876 | priv->asus->driver->wlan_ctrl_by_user) | |
877 | dev_id = ASUS_WMI_DEVID_WLAN_LED; | |
878 | ||
879 | return asus_wmi_set_devstate(dev_id, ctrl_param, NULL); | |
ba48fdb9 CC |
880 | } |
881 | ||
e12e6d94 | 882 | static void asus_rfkill_query(struct rfkill *rfkill, void *data) |
ba48fdb9 | 883 | { |
a7ce3f04 | 884 | struct asus_rfkill *priv = data; |
5c95638d | 885 | int result; |
ba48fdb9 | 886 | |
1d070f89 | 887 | result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id); |
ba48fdb9 | 888 | |
5c95638d | 889 | if (result < 0) |
e12e6d94 | 890 | return; |
ba48fdb9 | 891 | |
a7ce3f04 | 892 | rfkill_set_sw_state(priv->rfkill, !result); |
ba48fdb9 CC |
893 | } |
894 | ||
e12e6d94 | 895 | static int asus_rfkill_wlan_set(void *data, bool blocked) |
279f8f95 | 896 | { |
a7ce3f04 CC |
897 | struct asus_rfkill *priv = data; |
898 | struct asus_wmi *asus = priv->asus; | |
279f8f95 CC |
899 | int ret; |
900 | ||
901 | /* | |
902 | * This handler is enabled only if hotplug is enabled. | |
e12e6d94 | 903 | * In this case, the asus_wmi_set_devstate() will |
279f8f95 CC |
904 | * trigger a wmi notification and we need to wait |
905 | * this call to finish before being able to call | |
906 | * any wmi method | |
907 | */ | |
e12e6d94 | 908 | mutex_lock(&asus->wmi_lock); |
a7ce3f04 | 909 | ret = asus_rfkill_set(data, blocked); |
e12e6d94 | 910 | mutex_unlock(&asus->wmi_lock); |
279f8f95 CC |
911 | return ret; |
912 | } | |
913 | ||
e12e6d94 CC |
914 | static const struct rfkill_ops asus_rfkill_wlan_ops = { |
915 | .set_block = asus_rfkill_wlan_set, | |
a7ce3f04 | 916 | .query = asus_rfkill_query, |
279f8f95 CC |
917 | }; |
918 | ||
e12e6d94 CC |
919 | static const struct rfkill_ops asus_rfkill_ops = { |
920 | .set_block = asus_rfkill_set, | |
921 | .query = asus_rfkill_query, | |
ba48fdb9 CC |
922 | }; |
923 | ||
e12e6d94 | 924 | static int asus_new_rfkill(struct asus_wmi *asus, |
a7ce3f04 | 925 | struct asus_rfkill *arfkill, |
e12e6d94 | 926 | const char *name, enum rfkill_type type, int dev_id) |
ba48fdb9 | 927 | { |
1d070f89 | 928 | int result = asus_wmi_get_devstate_simple(asus, dev_id); |
a7ce3f04 | 929 | struct rfkill **rfkill = &arfkill->rfkill; |
ba48fdb9 | 930 | |
5c95638d CC |
931 | if (result < 0) |
932 | return result; | |
ba48fdb9 | 933 | |
a7ce3f04 CC |
934 | arfkill->dev_id = dev_id; |
935 | arfkill->asus = asus; | |
936 | ||
c87992d1 AK |
937 | if (dev_id == ASUS_WMI_DEVID_WLAN && |
938 | asus->driver->quirks->hotplug_wireless) | |
e12e6d94 | 939 | *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, |
a7ce3f04 | 940 | &asus_rfkill_wlan_ops, arfkill); |
279f8f95 | 941 | else |
e12e6d94 | 942 | *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, |
a7ce3f04 | 943 | &asus_rfkill_ops, arfkill); |
ba48fdb9 CC |
944 | |
945 | if (!*rfkill) | |
946 | return -EINVAL; | |
947 | ||
e8f56c80 | 948 | if ((dev_id == ASUS_WMI_DEVID_WLAN) && |
f515623c | 949 | (asus->driver->quirks->wapf > 0)) |
6cae06e6 AK |
950 | rfkill_set_led_trigger_name(*rfkill, "asus-wlan"); |
951 | ||
5c95638d | 952 | rfkill_init_sw_state(*rfkill, !result); |
ba48fdb9 CC |
953 | result = rfkill_register(*rfkill); |
954 | if (result) { | |
955 | rfkill_destroy(*rfkill); | |
956 | *rfkill = NULL; | |
957 | return result; | |
958 | } | |
959 | return 0; | |
960 | } | |
961 | ||
e12e6d94 | 962 | static void asus_wmi_rfkill_exit(struct asus_wmi *asus) |
ba48fdb9 | 963 | { |
e12e6d94 CC |
964 | asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); |
965 | asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); | |
966 | asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); | |
a7ce3f04 CC |
967 | if (asus->wlan.rfkill) { |
968 | rfkill_unregister(asus->wlan.rfkill); | |
969 | rfkill_destroy(asus->wlan.rfkill); | |
970 | asus->wlan.rfkill = NULL; | |
ba48fdb9 | 971 | } |
afa7c886 CC |
972 | /* |
973 | * Refresh pci hotplug in case the rfkill state was changed after | |
e12e6d94 | 974 | * asus_unregister_rfkill_notifier() |
afa7c886 | 975 | */ |
e12e6d94 CC |
976 | asus_rfkill_hotplug(asus); |
977 | if (asus->hotplug_slot) | |
978 | pci_hp_deregister(asus->hotplug_slot); | |
979 | if (asus->hotplug_workqueue) | |
980 | destroy_workqueue(asus->hotplug_workqueue); | |
981 | ||
a7ce3f04 CC |
982 | if (asus->bluetooth.rfkill) { |
983 | rfkill_unregister(asus->bluetooth.rfkill); | |
984 | rfkill_destroy(asus->bluetooth.rfkill); | |
985 | asus->bluetooth.rfkill = NULL; | |
ba48fdb9 | 986 | } |
a7ce3f04 CC |
987 | if (asus->wimax.rfkill) { |
988 | rfkill_unregister(asus->wimax.rfkill); | |
989 | rfkill_destroy(asus->wimax.rfkill); | |
990 | asus->wimax.rfkill = NULL; | |
2e9e159d | 991 | } |
a7ce3f04 CC |
992 | if (asus->wwan3g.rfkill) { |
993 | rfkill_unregister(asus->wwan3g.rfkill); | |
994 | rfkill_destroy(asus->wwan3g.rfkill); | |
995 | asus->wwan3g.rfkill = NULL; | |
ba48fdb9 | 996 | } |
43be8bde CC |
997 | if (asus->gps.rfkill) { |
998 | rfkill_unregister(asus->gps.rfkill); | |
999 | rfkill_destroy(asus->gps.rfkill); | |
1000 | asus->gps.rfkill = NULL; | |
1001 | } | |
a912d329 CC |
1002 | if (asus->uwb.rfkill) { |
1003 | rfkill_unregister(asus->uwb.rfkill); | |
1004 | rfkill_destroy(asus->uwb.rfkill); | |
1005 | asus->uwb.rfkill = NULL; | |
1006 | } | |
ba48fdb9 CC |
1007 | } |
1008 | ||
e12e6d94 | 1009 | static int asus_wmi_rfkill_init(struct asus_wmi *asus) |
ba48fdb9 CC |
1010 | { |
1011 | int result = 0; | |
1012 | ||
e12e6d94 CC |
1013 | mutex_init(&asus->hotplug_lock); |
1014 | mutex_init(&asus->wmi_lock); | |
afa7c886 | 1015 | |
a7ce3f04 CC |
1016 | result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan", |
1017 | RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN); | |
ba48fdb9 CC |
1018 | |
1019 | if (result && result != -ENODEV) | |
1020 | goto exit; | |
1021 | ||
a7ce3f04 | 1022 | result = asus_new_rfkill(asus, &asus->bluetooth, |
e12e6d94 CC |
1023 | "asus-bluetooth", RFKILL_TYPE_BLUETOOTH, |
1024 | ASUS_WMI_DEVID_BLUETOOTH); | |
ba48fdb9 CC |
1025 | |
1026 | if (result && result != -ENODEV) | |
1027 | goto exit; | |
1028 | ||
a7ce3f04 CC |
1029 | result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax", |
1030 | RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX); | |
2e9e159d CC |
1031 | |
1032 | if (result && result != -ENODEV) | |
1033 | goto exit; | |
1034 | ||
a7ce3f04 CC |
1035 | result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g", |
1036 | RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G); | |
ba48fdb9 CC |
1037 | |
1038 | if (result && result != -ENODEV) | |
1039 | goto exit; | |
1040 | ||
43be8bde CC |
1041 | result = asus_new_rfkill(asus, &asus->gps, "asus-gps", |
1042 | RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS); | |
1043 | ||
1044 | if (result && result != -ENODEV) | |
1045 | goto exit; | |
1046 | ||
a912d329 CC |
1047 | result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb", |
1048 | RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB); | |
1049 | ||
1050 | if (result && result != -ENODEV) | |
1051 | goto exit; | |
1052 | ||
c87992d1 | 1053 | if (!asus->driver->quirks->hotplug_wireless) |
c14d4b8e CC |
1054 | goto exit; |
1055 | ||
e12e6d94 | 1056 | result = asus_setup_pci_hotplug(asus); |
afa7c886 CC |
1057 | /* |
1058 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
1059 | * don't fail in this case | |
1060 | */ | |
1061 | if (result == -EBUSY) | |
1062 | result = 0; | |
1063 | ||
e12e6d94 CC |
1064 | asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); |
1065 | asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); | |
1066 | asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); | |
afa7c886 CC |
1067 | /* |
1068 | * Refresh pci hotplug in case the rfkill state was changed during | |
1069 | * setup. | |
1070 | */ | |
e12e6d94 | 1071 | asus_rfkill_hotplug(asus); |
afa7c886 | 1072 | |
ba48fdb9 CC |
1073 | exit: |
1074 | if (result && result != -ENODEV) | |
e12e6d94 | 1075 | asus_wmi_rfkill_exit(asus); |
ba48fdb9 CC |
1076 | |
1077 | if (result == -ENODEV) | |
1078 | result = 0; | |
1079 | ||
1080 | return result; | |
1081 | } | |
1082 | ||
e07babde CC |
1083 | /* |
1084 | * Hwmon device | |
1085 | */ | |
53e755c2 KB |
1086 | static int asus_hwmon_agfn_fan_speed_read(struct asus_wmi *asus, int fan, |
1087 | int *speed) | |
1088 | { | |
1089 | struct fan_args args = { | |
1090 | .agfn.len = sizeof(args), | |
1091 | .agfn.mfun = ASUS_FAN_MFUN, | |
1092 | .agfn.sfun = ASUS_FAN_SFUN_READ, | |
1093 | .fan = fan, | |
1094 | .speed = 0, | |
1095 | }; | |
1096 | struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; | |
1097 | int status; | |
1098 | ||
1099 | if (fan != 1) | |
1100 | return -EINVAL; | |
1101 | ||
1102 | status = asus_wmi_evaluate_method_agfn(input); | |
1103 | ||
1104 | if (status || args.agfn.err) | |
1105 | return -ENXIO; | |
1106 | ||
1107 | if (speed) | |
1108 | *speed = args.speed; | |
1109 | ||
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | static int asus_hwmon_agfn_fan_speed_write(struct asus_wmi *asus, int fan, | |
1114 | int *speed) | |
1115 | { | |
1116 | struct fan_args args = { | |
1117 | .agfn.len = sizeof(args), | |
1118 | .agfn.mfun = ASUS_FAN_MFUN, | |
1119 | .agfn.sfun = ASUS_FAN_SFUN_WRITE, | |
1120 | .fan = fan, | |
1121 | .speed = speed ? *speed : 0, | |
1122 | }; | |
1123 | struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; | |
1124 | int status; | |
1125 | ||
1126 | /* 1: for setting 1st fan's speed 0: setting auto mode */ | |
1127 | if (fan != 1 && fan != 0) | |
1128 | return -EINVAL; | |
1129 | ||
1130 | status = asus_wmi_evaluate_method_agfn(input); | |
1131 | ||
1132 | if (status || args.agfn.err) | |
1133 | return -ENXIO; | |
1134 | ||
1135 | if (speed && fan == 1) | |
1136 | asus->asus_hwmon_pwm = *speed; | |
1137 | ||
1138 | return 0; | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * Check if we can read the speed of one fan. If true we assume we can also | |
1143 | * control it. | |
1144 | */ | |
1145 | static int asus_hwmon_get_fan_number(struct asus_wmi *asus, int *num_fans) | |
1146 | { | |
1147 | int status; | |
1148 | int speed = 0; | |
1149 | ||
1150 | *num_fans = 0; | |
1151 | ||
1152 | status = asus_hwmon_agfn_fan_speed_read(asus, 1, &speed); | |
1153 | if (!status) | |
1154 | *num_fans = 1; | |
1155 | ||
1156 | return 0; | |
1157 | } | |
1158 | ||
1159 | static int asus_hwmon_fan_set_auto(struct asus_wmi *asus) | |
1160 | { | |
1161 | int status; | |
1162 | ||
1163 | status = asus_hwmon_agfn_fan_speed_write(asus, 0, NULL); | |
1164 | if (status) | |
1165 | return -ENXIO; | |
1166 | ||
1167 | asus->asus_hwmon_fan_manual_mode = false; | |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int asus_hwmon_fan_rpm_show(struct device *dev, int fan) | |
e07babde CC |
1173 | { |
1174 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
53e755c2 KB |
1175 | int value; |
1176 | int ret; | |
1177 | ||
1178 | /* no speed readable on manual mode */ | |
1179 | if (asus->asus_hwmon_fan_manual_mode) | |
1180 | return -ENXIO; | |
1181 | ||
1182 | ret = asus_hwmon_agfn_fan_speed_read(asus, fan+1, &value); | |
1183 | if (ret) { | |
1184 | pr_warn("reading fan speed failed: %d\n", ret); | |
1185 | return -ENXIO; | |
1186 | } | |
1187 | ||
1188 | return value; | |
1189 | } | |
1190 | ||
1191 | static void asus_hwmon_pwm_show(struct asus_wmi *asus, int fan, int *value) | |
1192 | { | |
e07babde CC |
1193 | int err; |
1194 | ||
53e755c2 KB |
1195 | if (asus->asus_hwmon_pwm >= 0) { |
1196 | *value = asus->asus_hwmon_pwm; | |
1197 | return; | |
1198 | } | |
e07babde | 1199 | |
53e755c2 | 1200 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, value); |
e07babde | 1201 | if (err < 0) |
53e755c2 | 1202 | return; |
e07babde | 1203 | |
53e755c2 KB |
1204 | *value &= 0xFF; |
1205 | ||
1206 | if (*value == 1) /* Low Speed */ | |
1207 | *value = 85; | |
1208 | else if (*value == 2) | |
1209 | *value = 170; | |
1210 | else if (*value == 3) | |
1211 | *value = 255; | |
1212 | else if (*value) { | |
1213 | pr_err("Unknown fan speed %#x\n", *value); | |
1214 | *value = -1; | |
e07babde | 1215 | } |
53e755c2 KB |
1216 | } |
1217 | ||
1218 | static ssize_t pwm1_show(struct device *dev, | |
1219 | struct device_attribute *attr, | |
1220 | char *buf) | |
1221 | { | |
1222 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1223 | int value; | |
1224 | ||
1225 | asus_hwmon_pwm_show(asus, 0, &value); | |
e07babde CC |
1226 | |
1227 | return sprintf(buf, "%d\n", value); | |
1228 | } | |
1229 | ||
53e755c2 KB |
1230 | static ssize_t pwm1_store(struct device *dev, |
1231 | struct device_attribute *attr, | |
1232 | const char *buf, size_t count) { | |
1233 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1234 | int value; | |
1235 | int state; | |
1236 | int ret; | |
1237 | ||
1238 | ret = kstrtouint(buf, 10, &value); | |
1239 | ||
1240 | if (ret) | |
1241 | return ret; | |
1242 | ||
1243 | value = clamp(value, 0, 255); | |
1244 | ||
1245 | state = asus_hwmon_agfn_fan_speed_write(asus, 1, &value); | |
1246 | if (state) | |
1247 | pr_warn("Setting fan speed failed: %d\n", state); | |
1248 | else | |
1249 | asus->asus_hwmon_fan_manual_mode = true; | |
1250 | ||
1251 | return count; | |
1252 | } | |
1253 | ||
1254 | static ssize_t fan1_input_show(struct device *dev, | |
1255 | struct device_attribute *attr, | |
1256 | char *buf) | |
1257 | { | |
1258 | int value = asus_hwmon_fan_rpm_show(dev, 0); | |
1259 | ||
1260 | return sprintf(buf, "%d\n", value < 0 ? -1 : value*100); | |
1261 | ||
1262 | } | |
1263 | ||
1264 | static ssize_t pwm1_enable_show(struct device *dev, | |
1265 | struct device_attribute *attr, | |
1266 | char *buf) | |
1267 | { | |
1268 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1269 | ||
1270 | if (asus->asus_hwmon_fan_manual_mode) | |
1271 | return sprintf(buf, "%d\n", ASUS_FAN_CTRL_MANUAL); | |
1272 | ||
1273 | return sprintf(buf, "%d\n", ASUS_FAN_CTRL_AUTO); | |
1274 | } | |
1275 | ||
1276 | static ssize_t pwm1_enable_store(struct device *dev, | |
1277 | struct device_attribute *attr, | |
1278 | const char *buf, size_t count) | |
1279 | { | |
1280 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1281 | int status = 0; | |
1282 | int state; | |
1283 | int ret; | |
1284 | ||
1285 | ret = kstrtouint(buf, 10, &state); | |
1286 | ||
1287 | if (ret) | |
1288 | return ret; | |
1289 | ||
1290 | if (state == ASUS_FAN_CTRL_MANUAL) | |
1291 | asus->asus_hwmon_fan_manual_mode = true; | |
1292 | else | |
1293 | status = asus_hwmon_fan_set_auto(asus); | |
1294 | ||
1295 | if (status) | |
1296 | return status; | |
1297 | ||
1298 | return count; | |
1299 | } | |
1300 | ||
1301 | static ssize_t fan1_label_show(struct device *dev, | |
1302 | struct device_attribute *attr, | |
1303 | char *buf) | |
1304 | { | |
1305 | return sprintf(buf, "%s\n", ASUS_FAN_DESC); | |
1306 | } | |
1307 | ||
6118b8ad CC |
1308 | static ssize_t asus_hwmon_temp1(struct device *dev, |
1309 | struct device_attribute *attr, | |
1310 | char *buf) | |
1311 | { | |
1312 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1313 | u32 value; | |
1314 | int err; | |
1315 | ||
1316 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value); | |
1317 | ||
1318 | if (err < 0) | |
1319 | return err; | |
1320 | ||
e866a2e3 | 1321 | value = DECI_KELVIN_TO_CELSIUS((value & 0xFFFF)) * 1000; |
6118b8ad CC |
1322 | |
1323 | return sprintf(buf, "%d\n", value); | |
1324 | } | |
1325 | ||
53e755c2 KB |
1326 | /* Fan1 */ |
1327 | static DEVICE_ATTR_RW(pwm1); | |
1328 | static DEVICE_ATTR_RW(pwm1_enable); | |
1329 | static DEVICE_ATTR_RO(fan1_input); | |
1330 | static DEVICE_ATTR_RO(fan1_label); | |
1331 | ||
1332 | /* Temperature */ | |
50a639fb | 1333 | static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL); |
e07babde CC |
1334 | |
1335 | static struct attribute *hwmon_attributes[] = { | |
50a639fb | 1336 | &dev_attr_pwm1.attr, |
53e755c2 KB |
1337 | &dev_attr_pwm1_enable.attr, |
1338 | &dev_attr_fan1_input.attr, | |
1339 | &dev_attr_fan1_label.attr, | |
1340 | ||
50a639fb | 1341 | &dev_attr_temp1_input.attr, |
e07babde CC |
1342 | NULL |
1343 | }; | |
1344 | ||
587a1f16 | 1345 | static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, |
e02431d6 | 1346 | struct attribute *attr, int idx) |
e07babde CC |
1347 | { |
1348 | struct device *dev = container_of(kobj, struct device, kobj); | |
1349 | struct platform_device *pdev = to_platform_device(dev->parent); | |
1350 | struct asus_wmi *asus = platform_get_drvdata(pdev); | |
e07babde | 1351 | int dev_id = -1; |
53e755c2 | 1352 | int fan_attr = -1; |
e07babde | 1353 | u32 value = ASUS_WMI_UNSUPPORTED_METHOD; |
53e755c2 | 1354 | bool ok = true; |
e07babde | 1355 | |
50a639fb | 1356 | if (attr == &dev_attr_pwm1.attr) |
e07babde | 1357 | dev_id = ASUS_WMI_DEVID_FAN_CTRL; |
50a639fb | 1358 | else if (attr == &dev_attr_temp1_input.attr) |
e02431d6 | 1359 | dev_id = ASUS_WMI_DEVID_THERMAL_CTRL; |
e07babde | 1360 | |
53e755c2 KB |
1361 | |
1362 | if (attr == &dev_attr_fan1_input.attr | |
1363 | || attr == &dev_attr_fan1_label.attr | |
1364 | || attr == &dev_attr_pwm1.attr | |
1365 | || attr == &dev_attr_pwm1_enable.attr) { | |
1366 | fan_attr = 1; | |
1367 | } | |
1368 | ||
e07babde CC |
1369 | if (dev_id != -1) { |
1370 | int err = asus_wmi_get_devstate(asus, dev_id, &value); | |
1371 | ||
53e755c2 | 1372 | if (err < 0 && fan_attr == -1) |
e772aed3 | 1373 | return 0; /* can't return negative here */ |
e07babde CC |
1374 | } |
1375 | ||
1376 | if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) { | |
1377 | /* | |
1378 | * We need to find a better way, probably using sfun, | |
1379 | * bits or spec ... | |
1380 | * Currently we disable it if: | |
1381 | * - ASUS_WMI_UNSUPPORTED_METHOD is returned | |
1382 | * - reverved bits are non-zero | |
1383 | * - sfun and presence bit are not set | |
1384 | */ | |
49979d09 | 1385 | if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000 |
e07babde CC |
1386 | || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT))) |
1387 | ok = false; | |
53e755c2 KB |
1388 | else |
1389 | ok = fan_attr <= asus->asus_hwmon_num_fans; | |
e02431d6 CC |
1390 | } else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) { |
1391 | /* If value is zero, something is clearly wrong */ | |
53e755c2 | 1392 | if (!value) |
e02431d6 | 1393 | ok = false; |
53e755c2 KB |
1394 | } else if (fan_attr <= asus->asus_hwmon_num_fans && fan_attr != -1) { |
1395 | ok = true; | |
1396 | } else { | |
1397 | ok = false; | |
e07babde CC |
1398 | } |
1399 | ||
1400 | return ok ? attr->mode : 0; | |
1401 | } | |
1402 | ||
1403 | static struct attribute_group hwmon_attribute_group = { | |
1404 | .is_visible = asus_hwmon_sysfs_is_visible, | |
1405 | .attrs = hwmon_attributes | |
1406 | }; | |
50a639fb | 1407 | __ATTRIBUTE_GROUPS(hwmon_attribute); |
e07babde CC |
1408 | |
1409 | static int asus_wmi_hwmon_init(struct asus_wmi *asus) | |
1410 | { | |
1411 | struct device *hwmon; | |
e07babde | 1412 | |
50a639fb GR |
1413 | hwmon = hwmon_device_register_with_groups(&asus->platform_device->dev, |
1414 | "asus", asus, | |
1415 | hwmon_attribute_groups); | |
e07babde CC |
1416 | if (IS_ERR(hwmon)) { |
1417 | pr_err("Could not register asus hwmon device\n"); | |
1418 | return PTR_ERR(hwmon); | |
1419 | } | |
50a639fb | 1420 | return 0; |
e07babde CC |
1421 | } |
1422 | ||
084fca63 CC |
1423 | /* |
1424 | * Backlight | |
1425 | */ | |
1d070f89 | 1426 | static int read_backlight_power(struct asus_wmi *asus) |
b7187265 | 1427 | { |
6e0044be AK |
1428 | int ret; |
1429 | if (asus->driver->quirks->store_backlight_power) | |
1430 | ret = !asus->driver->panel_power; | |
1431 | else | |
1432 | ret = asus_wmi_get_devstate_simple(asus, | |
1433 | ASUS_WMI_DEVID_BACKLIGHT); | |
b7187265 CC |
1434 | |
1435 | if (ret < 0) | |
1436 | return ret; | |
1437 | ||
1438 | return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
1439 | } | |
1440 | ||
8fbea019 | 1441 | static int read_brightness_max(struct asus_wmi *asus) |
3d7b1655 | 1442 | { |
dfed65d5 | 1443 | u32 retval; |
d33da3b6 | 1444 | int err; |
3d7b1655 | 1445 | |
1d070f89 | 1446 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); |
3d7b1655 | 1447 | |
8fbea019 CC |
1448 | if (err < 0) |
1449 | return err; | |
1450 | ||
1451 | retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK; | |
1452 | retval >>= 8; | |
1453 | ||
1454 | if (!retval) | |
1455 | return -ENODEV; | |
1456 | ||
1457 | return retval; | |
1458 | } | |
1459 | ||
1460 | static int read_brightness(struct backlight_device *bd) | |
1461 | { | |
1462 | struct asus_wmi *asus = bl_get_data(bd); | |
0986f25f DC |
1463 | u32 retval; |
1464 | int err; | |
8fbea019 CC |
1465 | |
1466 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); | |
1467 | ||
d33da3b6 CC |
1468 | if (err < 0) |
1469 | return err; | |
1470 | ||
1471 | return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK; | |
3d7b1655 YW |
1472 | } |
1473 | ||
c87992d1 | 1474 | static u32 get_scalar_command(struct backlight_device *bd) |
3d7b1655 | 1475 | { |
1d070f89 | 1476 | struct asus_wmi *asus = bl_get_data(bd); |
c87992d1 | 1477 | u32 ctrl_param = 0; |
3d7b1655 | 1478 | |
c87992d1 AK |
1479 | if ((asus->driver->brightness < bd->props.brightness) || |
1480 | bd->props.brightness == bd->props.max_brightness) | |
1481 | ctrl_param = 0x00008001; | |
1482 | else if ((asus->driver->brightness > bd->props.brightness) || | |
1483 | bd->props.brightness == 0) | |
1484 | ctrl_param = 0x00008000; | |
3d7b1655 | 1485 | |
c87992d1 | 1486 | asus->driver->brightness = bd->props.brightness; |
3d7b1655 | 1487 | |
c87992d1 AK |
1488 | return ctrl_param; |
1489 | } | |
1490 | ||
3d7b1655 YW |
1491 | static int update_bl_status(struct backlight_device *bd) |
1492 | { | |
1d070f89 | 1493 | struct asus_wmi *asus = bl_get_data(bd); |
dfed65d5 | 1494 | u32 ctrl_param; |
6e0044be | 1495 | int power, err = 0; |
b7187265 | 1496 | |
1d070f89 | 1497 | power = read_backlight_power(asus); |
b7187265 CC |
1498 | if (power != -ENODEV && bd->props.power != power) { |
1499 | ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK); | |
d33da3b6 CC |
1500 | err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, |
1501 | ctrl_param, NULL); | |
6e0044be AK |
1502 | if (asus->driver->quirks->store_backlight_power) |
1503 | asus->driver->panel_power = bd->props.power; | |
6e0044be | 1504 | |
ade28abd CC |
1505 | /* When using scalar brightness, updating the brightness |
1506 | * will mess with the backlight power */ | |
1507 | if (asus->driver->quirks->scalar_panel_brightness) | |
1508 | return err; | |
b7187265 | 1509 | } |
ade28abd CC |
1510 | |
1511 | if (asus->driver->quirks->scalar_panel_brightness) | |
1512 | ctrl_param = get_scalar_command(bd); | |
1513 | else | |
1514 | ctrl_param = bd->props.brightness; | |
1515 | ||
1516 | err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS, | |
1517 | ctrl_param, NULL); | |
1518 | ||
8fbea019 | 1519 | return err; |
3d7b1655 YW |
1520 | } |
1521 | ||
e12e6d94 | 1522 | static const struct backlight_ops asus_wmi_bl_ops = { |
3d7b1655 YW |
1523 | .get_brightness = read_brightness, |
1524 | .update_status = update_bl_status, | |
1525 | }; | |
1526 | ||
e12e6d94 | 1527 | static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code) |
3d7b1655 | 1528 | { |
e12e6d94 | 1529 | struct backlight_device *bd = asus->backlight_device; |
3d7b1655 | 1530 | int old = bd->props.brightness; |
b7670ed6 | 1531 | int new = old; |
3d7b1655 YW |
1532 | |
1533 | if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) | |
1534 | new = code - NOTIFY_BRNUP_MIN + 1; | |
1535 | else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX) | |
1536 | new = code - NOTIFY_BRNDOWN_MIN; | |
1537 | ||
1538 | bd->props.brightness = new; | |
1539 | backlight_update_status(bd); | |
1540 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
1541 | ||
1542 | return old; | |
1543 | } | |
1544 | ||
e12e6d94 | 1545 | static int asus_wmi_backlight_init(struct asus_wmi *asus) |
3d7b1655 YW |
1546 | { |
1547 | struct backlight_device *bd; | |
1548 | struct backlight_properties props; | |
b7187265 CC |
1549 | int max; |
1550 | int power; | |
1551 | ||
8fbea019 | 1552 | max = read_brightness_max(asus); |
86ac2735 | 1553 | if (max < 0) |
8fbea019 CC |
1554 | return max; |
1555 | ||
1556 | power = read_backlight_power(asus); | |
1557 | ||
b7187265 CC |
1558 | if (power == -ENODEV) |
1559 | power = FB_BLANK_UNBLANK; | |
8fbea019 CC |
1560 | else if (power < 0) |
1561 | return power; | |
3d7b1655 YW |
1562 | |
1563 | memset(&props, 0, sizeof(struct backlight_properties)); | |
60cfa098 | 1564 | props.type = BACKLIGHT_PLATFORM; |
b7187265 | 1565 | props.max_brightness = max; |
e12e6d94 CC |
1566 | bd = backlight_device_register(asus->driver->name, |
1567 | &asus->platform_device->dev, asus, | |
1568 | &asus_wmi_bl_ops, &props); | |
3d7b1655 YW |
1569 | if (IS_ERR(bd)) { |
1570 | pr_err("Could not register backlight device\n"); | |
1571 | return PTR_ERR(bd); | |
1572 | } | |
1573 | ||
e12e6d94 | 1574 | asus->backlight_device = bd; |
3d7b1655 | 1575 | |
6e0044be AK |
1576 | if (asus->driver->quirks->store_backlight_power) |
1577 | asus->driver->panel_power = power; | |
1578 | ||
3d7b1655 | 1579 | bd->props.brightness = read_brightness(bd); |
b7187265 | 1580 | bd->props.power = power; |
3d7b1655 YW |
1581 | backlight_update_status(bd); |
1582 | ||
c87992d1 AK |
1583 | asus->driver->brightness = bd->props.brightness; |
1584 | ||
3d7b1655 YW |
1585 | return 0; |
1586 | } | |
1587 | ||
e12e6d94 | 1588 | static void asus_wmi_backlight_exit(struct asus_wmi *asus) |
3d7b1655 | 1589 | { |
00981810 | 1590 | backlight_device_unregister(asus->backlight_device); |
3d7b1655 | 1591 | |
e12e6d94 | 1592 | asus->backlight_device = NULL; |
3d7b1655 YW |
1593 | } |
1594 | ||
a2a96f0c AK |
1595 | static int is_display_toggle(int code) |
1596 | { | |
1597 | /* display toggle keys */ | |
1598 | if ((code >= 0x61 && code <= 0x67) || | |
1599 | (code >= 0x8c && code <= 0x93) || | |
1600 | (code >= 0xa0 && code <= 0xa7) || | |
1601 | (code >= 0xd0 && code <= 0xd5)) | |
1602 | return 1; | |
1603 | ||
1604 | return 0; | |
1605 | } | |
1606 | ||
e12e6d94 | 1607 | static void asus_wmi_notify(u32 value, void *context) |
3d7b1655 | 1608 | { |
e12e6d94 | 1609 | struct asus_wmi *asus = context; |
3d7b1655 YW |
1610 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; |
1611 | union acpi_object *obj; | |
1612 | acpi_status status; | |
1613 | int code; | |
1614 | int orig_code; | |
c4453f6a SF |
1615 | unsigned int key_value = 1; |
1616 | bool autorelease = 1; | |
3d7b1655 YW |
1617 | |
1618 | status = wmi_get_event_data(value, &response); | |
1619 | if (status != AE_OK) { | |
1620 | pr_err("bad event status 0x%x\n", status); | |
1621 | return; | |
1622 | } | |
1623 | ||
1624 | obj = (union acpi_object *)response.pointer; | |
1625 | ||
57ab7dae CC |
1626 | if (!obj || obj->type != ACPI_TYPE_INTEGER) |
1627 | goto exit; | |
3d7b1655 | 1628 | |
57ab7dae CC |
1629 | code = obj->integer.value; |
1630 | orig_code = code; | |
3d7b1655 | 1631 | |
c4453f6a SF |
1632 | if (asus->driver->key_filter) { |
1633 | asus->driver->key_filter(asus->driver, &code, &key_value, | |
1634 | &autorelease); | |
1635 | if (code == ASUS_WMI_KEY_IGNORE) | |
1636 | goto exit; | |
1637 | } | |
1638 | ||
57ab7dae | 1639 | if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) |
3ba0302b | 1640 | code = ASUS_WMI_BRN_UP; |
57ab7dae CC |
1641 | else if (code >= NOTIFY_BRNDOWN_MIN && |
1642 | code <= NOTIFY_BRNDOWN_MAX) | |
3ba0302b | 1643 | code = ASUS_WMI_BRN_DOWN; |
3d7b1655 | 1644 | |
3ba0302b | 1645 | if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) { |
62c4aa1a | 1646 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
57ab7dae | 1647 | asus_wmi_backlight_notify(asus, orig_code); |
3ba0302b | 1648 | goto exit; |
a2a96f0c | 1649 | } |
a2a96f0c AK |
1650 | } |
1651 | ||
1652 | if (is_display_toggle(code) && | |
1653 | asus->driver->quirks->no_display_toggle) | |
1654 | goto exit; | |
1655 | ||
1656 | if (!sparse_keymap_report_event(asus->inputdev, code, | |
1657 | key_value, autorelease)) | |
57ab7dae | 1658 | pr_info("Unknown key %x pressed\n", code); |
3d7b1655 | 1659 | |
57ab7dae | 1660 | exit: |
3d7b1655 YW |
1661 | kfree(obj); |
1662 | } | |
1663 | ||
9e1565bc CC |
1664 | /* |
1665 | * Sys helpers | |
1666 | */ | |
1667 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
1668 | { | |
1669 | if (!count) | |
1670 | return 0; | |
1671 | if (sscanf(buf, "%i", val) != 1) | |
1672 | return -EINVAL; | |
1673 | return count; | |
1674 | } | |
1675 | ||
1d070f89 CC |
1676 | static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid, |
1677 | const char *buf, size_t count) | |
9e1565bc | 1678 | { |
9e1565bc | 1679 | u32 retval; |
d33da3b6 | 1680 | int rv, err, value; |
9e1565bc | 1681 | |
1d070f89 | 1682 | value = asus_wmi_get_devstate_simple(asus, devid); |
b8298340 | 1683 | if (value < 0) |
9e1565bc CC |
1684 | return value; |
1685 | ||
1686 | rv = parse_arg(buf, count, &value); | |
d33da3b6 CC |
1687 | err = asus_wmi_set_devstate(devid, value, &retval); |
1688 | ||
1689 | if (err < 0) | |
1690 | return err; | |
9e1565bc | 1691 | |
9e1565bc CC |
1692 | return rv; |
1693 | } | |
1694 | ||
1d070f89 | 1695 | static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf) |
9e1565bc | 1696 | { |
1d070f89 | 1697 | int value = asus_wmi_get_devstate_simple(asus, devid); |
9e1565bc CC |
1698 | |
1699 | if (value < 0) | |
1700 | return value; | |
1701 | ||
1702 | return sprintf(buf, "%d\n", value); | |
1703 | } | |
1704 | ||
e12e6d94 | 1705 | #define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ |
9e1565bc CC |
1706 | static ssize_t show_##_name(struct device *dev, \ |
1707 | struct device_attribute *attr, \ | |
1708 | char *buf) \ | |
1709 | { \ | |
1d070f89 CC |
1710 | struct asus_wmi *asus = dev_get_drvdata(dev); \ |
1711 | \ | |
1712 | return show_sys_wmi(asus, _cm, buf); \ | |
9e1565bc CC |
1713 | } \ |
1714 | static ssize_t store_##_name(struct device *dev, \ | |
1715 | struct device_attribute *attr, \ | |
1716 | const char *buf, size_t count) \ | |
1717 | { \ | |
1d070f89 CC |
1718 | struct asus_wmi *asus = dev_get_drvdata(dev); \ |
1719 | \ | |
1720 | return store_sys_wmi(asus, _cm, buf, count); \ | |
9e1565bc CC |
1721 | } \ |
1722 | static struct device_attribute dev_attr_##_name = { \ | |
1723 | .attr = { \ | |
1724 | .name = __stringify(_name), \ | |
1725 | .mode = _mode }, \ | |
1726 | .show = show_##_name, \ | |
1727 | .store = store_##_name, \ | |
1728 | } | |
1729 | ||
e12e6d94 CC |
1730 | ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD); |
1731 | ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA); | |
1732 | ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER); | |
c0b91b6d | 1733 | ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME); |
aca234f6 | 1734 | ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE); |
9e1565bc | 1735 | |
67fa38ec DT |
1736 | static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr, |
1737 | const char *buf, size_t count) | |
7f80d734 | 1738 | { |
3df5fdad | 1739 | int value, rv; |
7f80d734 CB |
1740 | |
1741 | if (!count || sscanf(buf, "%i", &value) != 1) | |
1742 | return -EINVAL; | |
1743 | if (value < 0 || value > 2) | |
1744 | return -EINVAL; | |
1745 | ||
3df5fdad CC |
1746 | rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL); |
1747 | if (rv < 0) | |
1748 | return rv; | |
1749 | ||
1750 | return count; | |
7f80d734 CB |
1751 | } |
1752 | ||
1753 | static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv); | |
1754 | ||
4e37b42d CC |
1755 | static struct attribute *platform_attributes[] = { |
1756 | &dev_attr_cpufv.attr, | |
9e1565bc CC |
1757 | &dev_attr_camera.attr, |
1758 | &dev_attr_cardr.attr, | |
4615bb66 | 1759 | &dev_attr_touchpad.attr, |
c0b91b6d | 1760 | &dev_attr_lid_resume.attr, |
aca234f6 | 1761 | &dev_attr_als_enable.attr, |
4e37b42d CC |
1762 | NULL |
1763 | }; | |
1764 | ||
587a1f16 | 1765 | static umode_t asus_sysfs_is_visible(struct kobject *kobj, |
e12e6d94 | 1766 | struct attribute *attr, int idx) |
9e1565bc | 1767 | { |
1d070f89 CC |
1768 | struct device *dev = container_of(kobj, struct device, kobj); |
1769 | struct platform_device *pdev = to_platform_device(dev); | |
1770 | struct asus_wmi *asus = platform_get_drvdata(pdev); | |
1771 | bool ok = true; | |
9e1565bc CC |
1772 | int devid = -1; |
1773 | ||
1774 | if (attr == &dev_attr_camera.attr) | |
e12e6d94 | 1775 | devid = ASUS_WMI_DEVID_CAMERA; |
9e1565bc | 1776 | else if (attr == &dev_attr_cardr.attr) |
e12e6d94 | 1777 | devid = ASUS_WMI_DEVID_CARDREADER; |
4615bb66 | 1778 | else if (attr == &dev_attr_touchpad.attr) |
e12e6d94 | 1779 | devid = ASUS_WMI_DEVID_TOUCHPAD; |
c0b91b6d AK |
1780 | else if (attr == &dev_attr_lid_resume.attr) |
1781 | devid = ASUS_WMI_DEVID_LID_RESUME; | |
aca234f6 OR |
1782 | else if (attr == &dev_attr_als_enable.attr) |
1783 | devid = ASUS_WMI_DEVID_ALS_ENABLE; | |
9e1565bc CC |
1784 | |
1785 | if (devid != -1) | |
1d070f89 | 1786 | ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); |
9e1565bc | 1787 | |
1d070f89 | 1788 | return ok ? attr->mode : 0; |
9e1565bc CC |
1789 | } |
1790 | ||
4e37b42d | 1791 | static struct attribute_group platform_attribute_group = { |
e12e6d94 CC |
1792 | .is_visible = asus_sysfs_is_visible, |
1793 | .attrs = platform_attributes | |
4e37b42d CC |
1794 | }; |
1795 | ||
e12e6d94 | 1796 | static void asus_wmi_sysfs_exit(struct platform_device *device) |
7f80d734 | 1797 | { |
4e37b42d | 1798 | sysfs_remove_group(&device->dev.kobj, &platform_attribute_group); |
7f80d734 CB |
1799 | } |
1800 | ||
e12e6d94 | 1801 | static int asus_wmi_sysfs_init(struct platform_device *device) |
7f80d734 | 1802 | { |
4e37b42d | 1803 | return sysfs_create_group(&device->dev.kobj, &platform_attribute_group); |
7f80d734 CB |
1804 | } |
1805 | ||
27c136c8 CC |
1806 | /* |
1807 | * Platform device | |
1808 | */ | |
39ddf3bf | 1809 | static int asus_wmi_platform_init(struct asus_wmi *asus) |
ee027e4a | 1810 | { |
46dbca87 CC |
1811 | int rv; |
1812 | ||
1813 | /* INIT enable hotkeys on some models */ | |
1814 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv)) | |
0ed60654 | 1815 | pr_info("Initialization: %#x\n", rv); |
46dbca87 CC |
1816 | |
1817 | /* We don't know yet what to do with this version... */ | |
1818 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) { | |
0ed60654 | 1819 | pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF); |
46dbca87 CC |
1820 | asus->spec = rv; |
1821 | } | |
1822 | ||
1823 | /* | |
1824 | * The SFUN method probably allows the original driver to get the list | |
1825 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
1826 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
1827 | * The significance of others is yet to be found. | |
1828 | */ | |
1829 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) { | |
0ed60654 | 1830 | pr_info("SFUN value: %#x\n", rv); |
46dbca87 CC |
1831 | asus->sfun = rv; |
1832 | } | |
1833 | ||
1d070f89 CC |
1834 | /* |
1835 | * Eee PC and Notebooks seems to have different method_id for DSTS, | |
1836 | * but it may also be related to the BIOS's SPEC. | |
1837 | * Note, on most Eeepc, there is no way to check if a method exist | |
1838 | * or note, while on notebooks, they returns 0xFFFFFFFE on failure, | |
1839 | * but once again, SPEC may probably be used for that kind of things. | |
1840 | */ | |
1841 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL)) | |
1842 | asus->dsts_id = ASUS_WMI_METHODID_DSTS; | |
63a78bb1 | 1843 | else |
1d070f89 CC |
1844 | asus->dsts_id = ASUS_WMI_METHODID_DSTS2; |
1845 | ||
fddbfed5 CC |
1846 | /* CWAP allow to define the behavior of the Fn+F2 key, |
1847 | * this method doesn't seems to be present on Eee PCs */ | |
6a2bcccd | 1848 | if (asus->driver->quirks->wapf >= 0) |
fddbfed5 | 1849 | asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP, |
6a2bcccd | 1850 | asus->driver->quirks->wapf, NULL); |
fddbfed5 | 1851 | |
e12e6d94 | 1852 | return asus_wmi_sysfs_init(asus->platform_device); |
27c136c8 CC |
1853 | } |
1854 | ||
e12e6d94 | 1855 | static void asus_wmi_platform_exit(struct asus_wmi *asus) |
27c136c8 | 1856 | { |
e12e6d94 | 1857 | asus_wmi_sysfs_exit(asus->platform_device); |
27c136c8 CC |
1858 | } |
1859 | ||
8c1b2d83 CC |
1860 | /* |
1861 | * debugfs | |
1862 | */ | |
e12e6d94 CC |
1863 | struct asus_wmi_debugfs_node { |
1864 | struct asus_wmi *asus; | |
8c1b2d83 | 1865 | char *name; |
e12e6d94 | 1866 | int (*show) (struct seq_file *m, void *data); |
8c1b2d83 CC |
1867 | }; |
1868 | ||
1869 | static int show_dsts(struct seq_file *m, void *data) | |
1870 | { | |
e12e6d94 | 1871 | struct asus_wmi *asus = m->private; |
d33da3b6 | 1872 | int err; |
8c1b2d83 CC |
1873 | u32 retval = -1; |
1874 | ||
1d070f89 | 1875 | err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); |
8c1b2d83 | 1876 | |
d33da3b6 CC |
1877 | if (err < 0) |
1878 | return err; | |
8c1b2d83 | 1879 | |
ef343491 | 1880 | seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval); |
8c1b2d83 CC |
1881 | |
1882 | return 0; | |
1883 | } | |
1884 | ||
1885 | static int show_devs(struct seq_file *m, void *data) | |
1886 | { | |
e12e6d94 | 1887 | struct asus_wmi *asus = m->private; |
d33da3b6 | 1888 | int err; |
8c1b2d83 CC |
1889 | u32 retval = -1; |
1890 | ||
d33da3b6 CC |
1891 | err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, |
1892 | &retval); | |
1893 | ||
1894 | if (err < 0) | |
1895 | return err; | |
8c1b2d83 | 1896 | |
ef343491 | 1897 | seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id, |
e12e6d94 | 1898 | asus->debug.ctrl_param, retval); |
8c1b2d83 CC |
1899 | |
1900 | return 0; | |
1901 | } | |
1902 | ||
ef343491 CC |
1903 | static int show_call(struct seq_file *m, void *data) |
1904 | { | |
1905 | struct asus_wmi *asus = m->private; | |
1906 | struct bios_args args = { | |
1907 | .arg0 = asus->debug.dev_id, | |
1908 | .arg1 = asus->debug.ctrl_param, | |
1909 | }; | |
1910 | struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; | |
1911 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1912 | union acpi_object *obj; | |
1913 | acpi_status status; | |
1914 | ||
1915 | status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, | |
1916 | 1, asus->debug.method_id, | |
1917 | &input, &output); | |
1918 | ||
1919 | if (ACPI_FAILURE(status)) | |
1920 | return -EIO; | |
1921 | ||
1922 | obj = (union acpi_object *)output.pointer; | |
1923 | if (obj && obj->type == ACPI_TYPE_INTEGER) | |
1924 | seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id, | |
1925 | asus->debug.dev_id, asus->debug.ctrl_param, | |
1926 | (u32) obj->integer.value); | |
1927 | else | |
1928 | seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id, | |
1929 | asus->debug.dev_id, asus->debug.ctrl_param, | |
a1d60867 | 1930 | obj ? obj->type : -1); |
ef343491 CC |
1931 | |
1932 | kfree(obj); | |
1933 | ||
1934 | return 0; | |
1935 | } | |
1936 | ||
e12e6d94 CC |
1937 | static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = { |
1938 | {NULL, "devs", show_devs}, | |
1939 | {NULL, "dsts", show_dsts}, | |
ef343491 | 1940 | {NULL, "call", show_call}, |
8c1b2d83 CC |
1941 | }; |
1942 | ||
e12e6d94 | 1943 | static int asus_wmi_debugfs_open(struct inode *inode, struct file *file) |
8c1b2d83 | 1944 | { |
e12e6d94 | 1945 | struct asus_wmi_debugfs_node *node = inode->i_private; |
8c1b2d83 | 1946 | |
e12e6d94 | 1947 | return single_open(file, node->show, node->asus); |
8c1b2d83 CC |
1948 | } |
1949 | ||
e12e6d94 | 1950 | static const struct file_operations asus_wmi_debugfs_io_ops = { |
8c1b2d83 | 1951 | .owner = THIS_MODULE, |
e12e6d94 | 1952 | .open = asus_wmi_debugfs_open, |
8c1b2d83 CC |
1953 | .read = seq_read, |
1954 | .llseek = seq_lseek, | |
1955 | .release = single_release, | |
1956 | }; | |
1957 | ||
e12e6d94 | 1958 | static void asus_wmi_debugfs_exit(struct asus_wmi *asus) |
8c1b2d83 | 1959 | { |
e12e6d94 | 1960 | debugfs_remove_recursive(asus->debug.root); |
8c1b2d83 CC |
1961 | } |
1962 | ||
e12e6d94 | 1963 | static int asus_wmi_debugfs_init(struct asus_wmi *asus) |
8c1b2d83 CC |
1964 | { |
1965 | struct dentry *dent; | |
1966 | int i; | |
1967 | ||
e12e6d94 CC |
1968 | asus->debug.root = debugfs_create_dir(asus->driver->name, NULL); |
1969 | if (!asus->debug.root) { | |
0ed60654 | 1970 | pr_err("failed to create debugfs directory\n"); |
8c1b2d83 CC |
1971 | goto error_debugfs; |
1972 | } | |
1973 | ||
ef343491 CC |
1974 | dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, |
1975 | asus->debug.root, &asus->debug.method_id); | |
1976 | if (!dent) | |
1977 | goto error_debugfs; | |
1978 | ||
e12e6d94 CC |
1979 | dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, |
1980 | asus->debug.root, &asus->debug.dev_id); | |
8c1b2d83 CC |
1981 | if (!dent) |
1982 | goto error_debugfs; | |
1983 | ||
e12e6d94 CC |
1984 | dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, |
1985 | asus->debug.root, &asus->debug.ctrl_param); | |
8c1b2d83 CC |
1986 | if (!dent) |
1987 | goto error_debugfs; | |
1988 | ||
e12e6d94 CC |
1989 | for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) { |
1990 | struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i]; | |
8c1b2d83 | 1991 | |
e12e6d94 | 1992 | node->asus = asus; |
8c1b2d83 | 1993 | dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO, |
e12e6d94 CC |
1994 | asus->debug.root, node, |
1995 | &asus_wmi_debugfs_io_ops); | |
8c1b2d83 CC |
1996 | if (!dent) { |
1997 | pr_err("failed to create debug file: %s\n", node->name); | |
1998 | goto error_debugfs; | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | return 0; | |
2003 | ||
2004 | error_debugfs: | |
e12e6d94 | 2005 | asus_wmi_debugfs_exit(asus); |
8c1b2d83 CC |
2006 | return -ENOMEM; |
2007 | } | |
2008 | ||
53e755c2 KB |
2009 | static int asus_wmi_fan_init(struct asus_wmi *asus) |
2010 | { | |
2011 | int status; | |
2012 | ||
2013 | asus->asus_hwmon_pwm = -1; | |
2014 | asus->asus_hwmon_num_fans = -1; | |
2015 | asus->asus_hwmon_fan_manual_mode = false; | |
2016 | ||
2017 | status = asus_hwmon_get_fan_number(asus, &asus->asus_hwmon_num_fans); | |
2018 | if (status) { | |
2019 | asus->asus_hwmon_num_fans = 0; | |
2020 | pr_warn("Could not determine number of fans: %d\n", status); | |
2021 | return -ENXIO; | |
2022 | } | |
2023 | ||
2024 | pr_info("Number of fans: %d\n", asus->asus_hwmon_num_fans); | |
2025 | return 0; | |
2026 | } | |
2027 | ||
27c136c8 CC |
2028 | /* |
2029 | * WMI Driver | |
2030 | */ | |
e12e6d94 | 2031 | static int asus_wmi_add(struct platform_device *pdev) |
afa7c886 | 2032 | { |
e12e6d94 CC |
2033 | struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); |
2034 | struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); | |
2035 | struct asus_wmi *asus; | |
d8c66f62 | 2036 | const char *chassis_type; |
ee027e4a | 2037 | acpi_status status; |
27c136c8 | 2038 | int err; |
a50bd128 | 2039 | u32 result; |
ee027e4a | 2040 | |
e12e6d94 CC |
2041 | asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL); |
2042 | if (!asus) | |
a04ce290 CC |
2043 | return -ENOMEM; |
2044 | ||
e12e6d94 CC |
2045 | asus->driver = wdrv; |
2046 | asus->platform_device = pdev; | |
2047 | wdrv->platform_device = pdev; | |
2048 | platform_set_drvdata(asus->platform_device, asus); | |
27c136c8 | 2049 | |
c87992d1 AK |
2050 | if (wdrv->detect_quirks) |
2051 | wdrv->detect_quirks(asus->driver); | |
afa7c886 | 2052 | |
e12e6d94 | 2053 | err = asus_wmi_platform_init(asus); |
27c136c8 CC |
2054 | if (err) |
2055 | goto fail_platform; | |
45f2c693 | 2056 | |
e12e6d94 | 2057 | err = asus_wmi_input_init(asus); |
45f2c693 | 2058 | if (err) |
27c136c8 | 2059 | goto fail_input; |
3d7b1655 | 2060 | |
53e755c2 KB |
2061 | err = asus_wmi_fan_init(asus); /* probably no problems on error */ |
2062 | asus_hwmon_fan_set_auto(asus); | |
2063 | ||
e07babde CC |
2064 | err = asus_wmi_hwmon_init(asus); |
2065 | if (err) | |
2066 | goto fail_hwmon; | |
2067 | ||
e12e6d94 | 2068 | err = asus_wmi_led_init(asus); |
084fca63 CC |
2069 | if (err) |
2070 | goto fail_leds; | |
2071 | ||
a977e59c JPRV |
2072 | if (!asus->driver->quirks->no_rfkill) { |
2073 | err = asus_wmi_rfkill_init(asus); | |
2074 | if (err) | |
2075 | goto fail_rfkill; | |
2076 | } | |
ba48fdb9 | 2077 | |
d8c66f62 HG |
2078 | /* Some Asus desktop boards export an acpi-video backlight interface, |
2079 | stop this from showing up */ | |
2080 | chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); | |
2081 | if (chassis_type && !strcmp(chassis_type, "3")) | |
62c4aa1a HG |
2082 | acpi_video_set_dmi_backlight_type(acpi_backlight_vendor); |
2083 | ||
272c77d5 | 2084 | if (asus->driver->quirks->wmi_backlight_power) |
62c4aa1a HG |
2085 | acpi_video_set_dmi_backlight_type(acpi_backlight_vendor); |
2086 | ||
2087 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { | |
e12e6d94 | 2088 | err = asus_wmi_backlight_init(asus); |
b7187265 | 2089 | if (err && err != -ENODEV) |
27c136c8 | 2090 | goto fail_backlight; |
62c4aa1a | 2091 | } |
45f2c693 | 2092 | |
e12e6d94 CC |
2093 | status = wmi_install_notify_handler(asus->driver->event_guid, |
2094 | asus_wmi_notify, asus); | |
45f2c693 | 2095 | if (ACPI_FAILURE(status)) { |
e12e6d94 | 2096 | pr_err("Unable to register notify handler - %d\n", status); |
45f2c693 | 2097 | err = -ENODEV; |
27c136c8 | 2098 | goto fail_wmi_handler; |
45f2c693 YW |
2099 | } |
2100 | ||
e12e6d94 | 2101 | err = asus_wmi_debugfs_init(asus); |
8c1b2d83 CC |
2102 | if (err) |
2103 | goto fail_debugfs; | |
2104 | ||
a50bd128 AK |
2105 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); |
2106 | if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) | |
2107 | asus->driver->wlan_ctrl_by_user = 1; | |
2108 | ||
a04ce290 | 2109 | return 0; |
45f2c693 | 2110 | |
8c1b2d83 | 2111 | fail_debugfs: |
e12e6d94 | 2112 | wmi_remove_notify_handler(asus->driver->event_guid); |
27c136c8 | 2113 | fail_wmi_handler: |
e12e6d94 | 2114 | asus_wmi_backlight_exit(asus); |
27c136c8 | 2115 | fail_backlight: |
e12e6d94 | 2116 | asus_wmi_rfkill_exit(asus); |
ba48fdb9 | 2117 | fail_rfkill: |
e12e6d94 | 2118 | asus_wmi_led_exit(asus); |
084fca63 | 2119 | fail_leds: |
e07babde | 2120 | fail_hwmon: |
e12e6d94 | 2121 | asus_wmi_input_exit(asus); |
27c136c8 | 2122 | fail_input: |
e12e6d94 | 2123 | asus_wmi_platform_exit(asus); |
27c136c8 | 2124 | fail_platform: |
e12e6d94 | 2125 | kfree(asus); |
a04ce290 | 2126 | return err; |
45f2c693 YW |
2127 | } |
2128 | ||
e12e6d94 | 2129 | static int asus_wmi_remove(struct platform_device *device) |
45f2c693 | 2130 | { |
e12e6d94 CC |
2131 | struct asus_wmi *asus; |
2132 | ||
2133 | asus = platform_get_drvdata(device); | |
2134 | wmi_remove_notify_handler(asus->driver->event_guid); | |
2135 | asus_wmi_backlight_exit(asus); | |
2136 | asus_wmi_input_exit(asus); | |
2137 | asus_wmi_led_exit(asus); | |
2138 | asus_wmi_rfkill_exit(asus); | |
2139 | asus_wmi_debugfs_exit(asus); | |
2140 | asus_wmi_platform_exit(asus); | |
53e755c2 | 2141 | asus_hwmon_fan_set_auto(asus); |
e12e6d94 CC |
2142 | |
2143 | kfree(asus); | |
45f2c693 YW |
2144 | return 0; |
2145 | } | |
2146 | ||
0773d7f9 CC |
2147 | /* |
2148 | * Platform driver - hibernate/resume callbacks | |
2149 | */ | |
e12e6d94 | 2150 | static int asus_hotk_thaw(struct device *device) |
0773d7f9 | 2151 | { |
e12e6d94 | 2152 | struct asus_wmi *asus = dev_get_drvdata(device); |
0773d7f9 | 2153 | |
a7ce3f04 | 2154 | if (asus->wlan.rfkill) { |
0773d7f9 CC |
2155 | bool wlan; |
2156 | ||
2157 | /* | |
2158 | * Work around bios bug - acpi _PTS turns off the wireless led | |
2159 | * during suspend. Normally it restores it on resume, but | |
2160 | * we should kick it ourselves in case hibernation is aborted. | |
2161 | */ | |
1d070f89 | 2162 | wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); |
e12e6d94 | 2163 | asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL); |
0773d7f9 CC |
2164 | } |
2165 | ||
2166 | return 0; | |
2167 | } | |
2168 | ||
30734049 OR |
2169 | static int asus_hotk_resume(struct device *device) |
2170 | { | |
2171 | struct asus_wmi *asus = dev_get_drvdata(device); | |
2172 | ||
2173 | if (!IS_ERR_OR_NULL(asus->kbd_led.dev)) | |
2174 | queue_work(asus->led_workqueue, &asus->kbd_led_work); | |
2175 | ||
2176 | return 0; | |
2177 | } | |
2178 | ||
e12e6d94 | 2179 | static int asus_hotk_restore(struct device *device) |
0773d7f9 | 2180 | { |
e12e6d94 | 2181 | struct asus_wmi *asus = dev_get_drvdata(device); |
0773d7f9 CC |
2182 | int bl; |
2183 | ||
2184 | /* Refresh both wlan rfkill state and pci hotplug */ | |
a7ce3f04 | 2185 | if (asus->wlan.rfkill) |
e12e6d94 | 2186 | asus_rfkill_hotplug(asus); |
0773d7f9 | 2187 | |
a7ce3f04 | 2188 | if (asus->bluetooth.rfkill) { |
1d070f89 CC |
2189 | bl = !asus_wmi_get_devstate_simple(asus, |
2190 | ASUS_WMI_DEVID_BLUETOOTH); | |
a7ce3f04 | 2191 | rfkill_set_sw_state(asus->bluetooth.rfkill, bl); |
2e9e159d | 2192 | } |
a7ce3f04 | 2193 | if (asus->wimax.rfkill) { |
1d070f89 | 2194 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX); |
a7ce3f04 | 2195 | rfkill_set_sw_state(asus->wimax.rfkill, bl); |
2e9e159d | 2196 | } |
a7ce3f04 | 2197 | if (asus->wwan3g.rfkill) { |
1d070f89 | 2198 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G); |
a7ce3f04 | 2199 | rfkill_set_sw_state(asus->wwan3g.rfkill, bl); |
0773d7f9 | 2200 | } |
43be8bde CC |
2201 | if (asus->gps.rfkill) { |
2202 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS); | |
2203 | rfkill_set_sw_state(asus->gps.rfkill, bl); | |
2204 | } | |
a912d329 CC |
2205 | if (asus->uwb.rfkill) { |
2206 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB); | |
2207 | rfkill_set_sw_state(asus->uwb.rfkill, bl); | |
2208 | } | |
30734049 OR |
2209 | if (!IS_ERR_OR_NULL(asus->kbd_led.dev)) |
2210 | queue_work(asus->led_workqueue, &asus->kbd_led_work); | |
0773d7f9 CC |
2211 | |
2212 | return 0; | |
2213 | } | |
2214 | ||
e12e6d94 CC |
2215 | static const struct dev_pm_ops asus_pm_ops = { |
2216 | .thaw = asus_hotk_thaw, | |
2217 | .restore = asus_hotk_restore, | |
30734049 | 2218 | .resume = asus_hotk_resume, |
45f2c693 YW |
2219 | }; |
2220 | ||
e12e6d94 | 2221 | static int asus_wmi_probe(struct platform_device *pdev) |
d358cb55 | 2222 | { |
e12e6d94 CC |
2223 | struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); |
2224 | struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); | |
2225 | int ret; | |
d358cb55 | 2226 | |
e12e6d94 | 2227 | if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { |
5ad77dcf | 2228 | pr_warn("Management GUID not found\n"); |
ee027e4a YW |
2229 | return -ENODEV; |
2230 | } | |
2231 | ||
e12e6d94 | 2232 | if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) { |
5ad77dcf | 2233 | pr_warn("Event GUID not found\n"); |
d358cb55 CC |
2234 | return -ENODEV; |
2235 | } | |
2236 | ||
e12e6d94 CC |
2237 | if (wdrv->probe) { |
2238 | ret = wdrv->probe(pdev); | |
2239 | if (ret) | |
2240 | return ret; | |
2241 | } | |
2242 | ||
2243 | return asus_wmi_add(pdev); | |
a04ce290 | 2244 | } |
45f2c693 | 2245 | |
e12e6d94 | 2246 | static bool used; |
ee027e4a | 2247 | |
8fe8c25e | 2248 | int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver) |
a04ce290 | 2249 | { |
e12e6d94 CC |
2250 | struct platform_driver *platform_driver; |
2251 | struct platform_device *platform_device; | |
2252 | ||
2253 | if (used) | |
2254 | return -EBUSY; | |
2255 | ||
2256 | platform_driver = &driver->platform_driver; | |
2257 | platform_driver->remove = asus_wmi_remove; | |
2258 | platform_driver->driver.owner = driver->owner; | |
2259 | platform_driver->driver.name = driver->name; | |
2260 | platform_driver->driver.pm = &asus_pm_ops; | |
2261 | ||
2262 | platform_device = platform_create_bundle(platform_driver, | |
2263 | asus_wmi_probe, | |
a04ce290 CC |
2264 | NULL, 0, NULL, 0); |
2265 | if (IS_ERR(platform_device)) | |
2266 | return PTR_ERR(platform_device); | |
e12e6d94 CC |
2267 | |
2268 | used = true; | |
2269 | return 0; | |
2270 | } | |
2271 | EXPORT_SYMBOL_GPL(asus_wmi_register_driver); | |
2272 | ||
2273 | void asus_wmi_unregister_driver(struct asus_wmi_driver *driver) | |
2274 | { | |
2275 | platform_device_unregister(driver->platform_device); | |
2276 | platform_driver_unregister(&driver->platform_driver); | |
2277 | used = false; | |
2278 | } | |
2279 | EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver); | |
2280 | ||
2281 | static int __init asus_wmi_init(void) | |
2282 | { | |
2283 | if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { | |
0ed60654 | 2284 | pr_info("Asus Management GUID not found\n"); |
e12e6d94 CC |
2285 | return -ENODEV; |
2286 | } | |
2287 | ||
0ed60654 | 2288 | pr_info("ASUS WMI generic driver loaded\n"); |
ee027e4a YW |
2289 | return 0; |
2290 | } | |
2291 | ||
e12e6d94 | 2292 | static void __exit asus_wmi_exit(void) |
ee027e4a | 2293 | { |
0ed60654 | 2294 | pr_info("ASUS WMI generic driver unloaded\n"); |
ee027e4a YW |
2295 | } |
2296 | ||
e12e6d94 CC |
2297 | module_init(asus_wmi_init); |
2298 | module_exit(asus_wmi_exit); |