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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
62ec30d4 MG |
2 | /* |
3 | * HP WMI hotkeys | |
4 | * | |
5 | * Copyright (C) 2008 Red Hat <mjg@redhat.com> | |
c0b9c649 | 6 | * Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi> |
62ec30d4 MG |
7 | * |
8 | * Portions based on wistron_btns.c: | |
9 | * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> | |
10 | * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> | |
11 | * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> | |
62ec30d4 MG |
12 | */ |
13 | ||
b5a4223c JP |
14 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
15 | ||
62ec30d4 MG |
16 | #include <linux/kernel.h> |
17 | #include <linux/module.h> | |
18 | #include <linux/init.h> | |
5a0e3ad6 | 19 | #include <linux/slab.h> |
62ec30d4 MG |
20 | #include <linux/types.h> |
21 | #include <linux/input.h> | |
4d291ed7 | 22 | #include <linux/input/sparse-keymap.h> |
62ec30d4 | 23 | #include <linux/platform_device.h> |
4296f679 | 24 | #include <linux/platform_profile.h> |
62ec30d4 MG |
25 | #include <linux/acpi.h> |
26 | #include <linux/rfkill.h> | |
27 | #include <linux/string.h> | |
28 | ||
29 | MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>"); | |
30 | MODULE_DESCRIPTION("HP laptop WMI hotkeys driver"); | |
31 | MODULE_LICENSE("GPL"); | |
32 | ||
33 | MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C"); | |
34 | MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4"); | |
35 | ||
67fbe02a HG |
36 | static int enable_tablet_mode_sw = -1; |
37 | module_param(enable_tablet_mode_sw, int, 0444); | |
38 | MODULE_PARM_DESC(enable_tablet_mode_sw, "Enable SW_TABLET_MODE reporting (-1=auto, 0=no, 1=yes)"); | |
39 | ||
62ec30d4 MG |
40 | #define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C" |
41 | #define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4" | |
42 | ||
e5fbba85 | 43 | enum hp_wmi_radio { |
d8193cff DHV |
44 | HPWMI_WIFI = 0x0, |
45 | HPWMI_BLUETOOTH = 0x1, | |
46 | HPWMI_WWAN = 0x2, | |
47 | HPWMI_GPS = 0x3, | |
e5fbba85 AJ |
48 | }; |
49 | ||
751ae808 | 50 | enum hp_wmi_event_ids { |
d8193cff DHV |
51 | HPWMI_DOCK_EVENT = 0x01, |
52 | HPWMI_PARK_HDD = 0x02, | |
53 | HPWMI_SMART_ADAPTER = 0x03, | |
54 | HPWMI_BEZEL_BUTTON = 0x04, | |
55 | HPWMI_WIRELESS = 0x05, | |
56 | HPWMI_CPU_BATTERY_THROTTLE = 0x06, | |
57 | HPWMI_LOCK_SWITCH = 0x07, | |
58 | HPWMI_LID_SWITCH = 0x08, | |
59 | HPWMI_SCREEN_ROTATION = 0x09, | |
60 | HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A, | |
61 | HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B, | |
62 | HPWMI_PROXIMITY_SENSOR = 0x0C, | |
63 | HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D, | |
64 | HPWMI_PEAKSHIFT_PERIOD = 0x0F, | |
65 | HPWMI_BATTERY_CHARGE_PERIOD = 0x10, | |
751ae808 TR |
66 | }; |
67 | ||
62ec30d4 MG |
68 | struct bios_args { |
69 | u32 signature; | |
70 | u32 command; | |
71 | u32 commandtype; | |
72 | u32 datasize; | |
16245db1 | 73 | u8 data[128]; |
62ec30d4 MG |
74 | }; |
75 | ||
d8193cff DHV |
76 | enum hp_wmi_commandtype { |
77 | HPWMI_DISPLAY_QUERY = 0x01, | |
78 | HPWMI_HDDTEMP_QUERY = 0x02, | |
79 | HPWMI_ALS_QUERY = 0x03, | |
80 | HPWMI_HARDWARE_QUERY = 0x04, | |
81 | HPWMI_WIRELESS_QUERY = 0x05, | |
82 | HPWMI_BATTERY_QUERY = 0x07, | |
83 | HPWMI_BIOS_QUERY = 0x09, | |
84 | HPWMI_FEATURE_QUERY = 0x0b, | |
85 | HPWMI_HOTKEY_QUERY = 0x0c, | |
86 | HPWMI_FEATURE2_QUERY = 0x0d, | |
87 | HPWMI_WIRELESS2_QUERY = 0x1b, | |
88 | HPWMI_POSTCODEERROR_QUERY = 0x2a, | |
d7da7534 | 89 | HPWMI_THERMAL_PROFILE_QUERY = 0x4c, |
d8193cff DHV |
90 | }; |
91 | ||
92 | enum hp_wmi_command { | |
93 | HPWMI_READ = 0x01, | |
94 | HPWMI_WRITE = 0x02, | |
95 | HPWMI_ODM = 0x03, | |
96 | }; | |
97 | ||
f9cf3b28 DHV |
98 | enum hp_wmi_hardware_mask { |
99 | HPWMI_DOCK_MASK = 0x01, | |
100 | HPWMI_TABLET_MASK = 0x04, | |
101 | }; | |
102 | ||
62ec30d4 MG |
103 | struct bios_return { |
104 | u32 sigpass; | |
105 | u32 return_code; | |
62ec30d4 MG |
106 | }; |
107 | ||
9af0e0fb AH |
108 | enum hp_return_value { |
109 | HPWMI_RET_WRONG_SIGNATURE = 0x02, | |
110 | HPWMI_RET_UNKNOWN_COMMAND = 0x03, | |
111 | HPWMI_RET_UNKNOWN_CMDTYPE = 0x04, | |
112 | HPWMI_RET_INVALID_PARAMETERS = 0x05, | |
113 | }; | |
114 | ||
c0b9c649 AH |
115 | enum hp_wireless2_bits { |
116 | HPWMI_POWER_STATE = 0x01, | |
117 | HPWMI_POWER_SOFT = 0x02, | |
118 | HPWMI_POWER_BIOS = 0x04, | |
119 | HPWMI_POWER_HARD = 0x08, | |
5c556afe | 120 | HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD, |
c0b9c649 AH |
121 | }; |
122 | ||
4296f679 ED |
123 | enum hp_thermal_profile { |
124 | HP_THERMAL_PROFILE_PERFORMANCE = 0x00, | |
125 | HP_THERMAL_PROFILE_DEFAULT = 0x01, | |
126 | HP_THERMAL_PROFILE_COOL = 0x02 | |
127 | }; | |
128 | ||
5c556afe | 129 | #define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW) |
c0b9c649 AH |
130 | #define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT) |
131 | ||
132 | struct bios_rfkill2_device_state { | |
133 | u8 radio_type; | |
134 | u8 bus_type; | |
135 | u16 vendor_id; | |
136 | u16 product_id; | |
137 | u16 subsys_vendor_id; | |
138 | u16 subsys_product_id; | |
139 | u8 rfkill_id; | |
140 | u8 power; | |
141 | u8 unknown[4]; | |
142 | }; | |
143 | ||
144 | /* 7 devices fit into the 128 byte buffer */ | |
145 | #define HPWMI_MAX_RFKILL2_DEVICES 7 | |
146 | ||
147 | struct bios_rfkill2_state { | |
148 | u8 unknown[7]; | |
149 | u8 count; | |
150 | u8 pad[8]; | |
151 | struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES]; | |
152 | }; | |
153 | ||
4d291ed7 DT |
154 | static const struct key_entry hp_wmi_keymap[] = { |
155 | { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } }, | |
156 | { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } }, | |
157 | { KE_KEY, 0x20e6, { KEY_PROG1 } }, | |
158 | { KE_KEY, 0x20e8, { KEY_MEDIA } }, | |
159 | { KE_KEY, 0x2142, { KEY_MEDIA } }, | |
160 | { KE_KEY, 0x213b, { KEY_INFO } }, | |
e92865ed | 161 | { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } }, |
f82bdd0d | 162 | { KE_KEY, 0x216a, { KEY_SETUP } }, |
4d291ed7 DT |
163 | { KE_KEY, 0x231b, { KEY_HELP } }, |
164 | { KE_END, 0 } | |
62ec30d4 MG |
165 | }; |
166 | ||
167 | static struct input_dev *hp_wmi_input_dev; | |
168 | static struct platform_device *hp_wmi_platform_dev; | |
4296f679 ED |
169 | static struct platform_profile_handler platform_profile_handler; |
170 | static bool platform_profile_support; | |
62ec30d4 MG |
171 | |
172 | static struct rfkill *wifi_rfkill; | |
173 | static struct rfkill *bluetooth_rfkill; | |
174 | static struct rfkill *wwan_rfkill; | |
175 | ||
c0b9c649 AH |
176 | struct rfkill2_device { |
177 | u8 id; | |
178 | int num; | |
179 | struct rfkill *rfkill; | |
180 | }; | |
181 | ||
182 | static int rfkill2_count; | |
183 | static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES]; | |
184 | ||
fbcb4a57 PA |
185 | /* map output size to the corresponding WMI method id */ |
186 | static inline int encode_outsize_for_pvsz(int outsize) | |
187 | { | |
188 | if (outsize > 4096) | |
189 | return -EINVAL; | |
190 | if (outsize > 1024) | |
191 | return 5; | |
192 | if (outsize > 128) | |
193 | return 4; | |
194 | if (outsize > 4) | |
195 | return 3; | |
196 | if (outsize > 0) | |
197 | return 2; | |
198 | return 1; | |
199 | } | |
200 | ||
6d96e00c TR |
201 | /* |
202 | * hp_wmi_perform_query | |
203 | * | |
d8193cff DHV |
204 | * query: The commandtype (enum hp_wmi_commandtype) |
205 | * write: The command (enum hp_wmi_command) | |
6d96e00c | 206 | * buffer: Buffer used as input and/or output |
c3021ea1 AH |
207 | * insize: Size of input buffer |
208 | * outsize: Size of output buffer | |
6d96e00c TR |
209 | * |
210 | * returns zero on success | |
211 | * an HP WMI query specific error code (which is positive) | |
212 | * -EINVAL if the query was not successful at all | |
213 | * -EINVAL if the output buffer size exceeds buffersize | |
214 | * | |
215 | * Note: The buffersize must at least be the maximum of the input and output | |
d8193cff | 216 | * size. E.g. Battery info query is defined to have 1 byte input |
6d96e00c TR |
217 | * and 128 byte output. The caller would do: |
218 | * buffer = kzalloc(128, GFP_KERNEL); | |
d8193cff | 219 | * ret = hp_wmi_perform_query(HPWMI_BATTERY_QUERY, HPWMI_READ, buffer, 1, 128) |
6d96e00c | 220 | */ |
d8193cff DHV |
221 | static int hp_wmi_perform_query(int query, enum hp_wmi_command command, |
222 | void *buffer, int insize, int outsize) | |
62ec30d4 | 223 | { |
fbcb4a57 | 224 | int mid; |
c3021ea1 AH |
225 | struct bios_return *bios_return; |
226 | int actual_outsize; | |
62ec30d4 MG |
227 | union acpi_object *obj; |
228 | struct bios_args args = { | |
229 | .signature = 0x55434553, | |
d8193cff | 230 | .command = command, |
62ec30d4 | 231 | .commandtype = query, |
c3021ea1 | 232 | .datasize = insize, |
16245db1 | 233 | .data = { 0 }, |
62ec30d4 MG |
234 | }; |
235 | struct acpi_buffer input = { sizeof(struct bios_args), &args }; | |
236 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
527376c8 | 237 | int ret = 0; |
62ec30d4 | 238 | |
fbcb4a57 PA |
239 | mid = encode_outsize_for_pvsz(outsize); |
240 | if (WARN_ON(mid < 0)) | |
241 | return mid; | |
242 | ||
c3021ea1 AH |
243 | if (WARN_ON(insize > sizeof(args.data))) |
244 | return -EINVAL; | |
16245db1 | 245 | memcpy(&args.data[0], buffer, insize); |
c3021ea1 | 246 | |
fbcb4a57 | 247 | wmi_evaluate_method(HPWMI_BIOS_GUID, 0, mid, &input, &output); |
62ec30d4 MG |
248 | |
249 | obj = output.pointer; | |
250 | ||
44ef00e6 | 251 | if (!obj) |
62ec30d4 | 252 | return -EINVAL; |
527376c8 DHV |
253 | |
254 | if (obj->type != ACPI_TYPE_BUFFER) { | |
255 | ret = -EINVAL; | |
256 | goto out_free; | |
44ef00e6 | 257 | } |
62ec30d4 | 258 | |
c3021ea1 | 259 | bios_return = (struct bios_return *)obj->buffer.pointer; |
527376c8 | 260 | ret = bios_return->return_code; |
6d96e00c | 261 | |
527376c8 | 262 | if (ret) { |
d35c9a02 HG |
263 | if (ret != HPWMI_RET_UNKNOWN_COMMAND && |
264 | ret != HPWMI_RET_UNKNOWN_CMDTYPE) | |
527376c8 DHV |
265 | pr_warn("query 0x%x returned error 0x%x\n", query, ret); |
266 | goto out_free; | |
9af0e0fb AH |
267 | } |
268 | ||
527376c8 DHV |
269 | /* Ignore output data of zero size */ |
270 | if (!outsize) | |
271 | goto out_free; | |
53c96dfd | 272 | |
c3021ea1 AH |
273 | actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return))); |
274 | memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize); | |
275 | memset(buffer + actual_outsize, 0, outsize - actual_outsize); | |
527376c8 DHV |
276 | |
277 | out_free: | |
53c96dfd | 278 | kfree(obj); |
527376c8 | 279 | return ret; |
62ec30d4 MG |
280 | } |
281 | ||
ea621d9f | 282 | static int hp_wmi_read_int(int query) |
62ec30d4 | 283 | { |
ea621d9f | 284 | int val = 0, ret; |
62ec30d4 | 285 | |
ea621d9f DHV |
286 | ret = hp_wmi_perform_query(query, HPWMI_READ, &val, |
287 | sizeof(val), sizeof(val)); | |
62ec30d4 | 288 | |
6d96e00c | 289 | if (ret) |
d3138769 | 290 | return ret < 0 ? ret : -EINVAL; |
ea621d9f DHV |
291 | |
292 | return val; | |
62ec30d4 MG |
293 | } |
294 | ||
f9cf3b28 | 295 | static int hp_wmi_hw_state(int mask) |
62ec30d4 | 296 | { |
ea621d9f | 297 | int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY); |
62ec30d4 | 298 | |
ea621d9f DHV |
299 | if (state < 0) |
300 | return state; | |
871043bc | 301 | |
9968e12a | 302 | return !!(state & mask); |
62ec30d4 MG |
303 | } |
304 | ||
8a1513b4 | 305 | static int __init hp_wmi_bios_2008_later(void) |
997daa1b AH |
306 | { |
307 | int state = 0; | |
d8193cff | 308 | int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, HPWMI_READ, &state, |
997daa1b | 309 | sizeof(state), sizeof(state)); |
8a1513b4 KE |
310 | if (!ret) |
311 | return 1; | |
997daa1b | 312 | |
8a1513b4 | 313 | return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; |
997daa1b AH |
314 | } |
315 | ||
8a1513b4 | 316 | static int __init hp_wmi_bios_2009_later(void) |
f82bdd0d | 317 | { |
133b2ace | 318 | u8 state[128]; |
d8193cff | 319 | int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, HPWMI_READ, &state, |
8a1513b4 KE |
320 | sizeof(state), sizeof(state)); |
321 | if (!ret) | |
322 | return 1; | |
f82bdd0d | 323 | |
8a1513b4 KE |
324 | return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; |
325 | } | |
f82bdd0d | 326 | |
8a1513b4 KE |
327 | static int __init hp_wmi_enable_hotkeys(void) |
328 | { | |
329 | int value = 0x6e; | |
d8193cff | 330 | int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, HPWMI_WRITE, &value, |
8a1513b4 | 331 | sizeof(value), 0); |
527376c8 DHV |
332 | |
333 | return ret <= 0 ? ret : -EINVAL; | |
f82bdd0d KE |
334 | } |
335 | ||
19d337df | 336 | static int hp_wmi_set_block(void *data, bool blocked) |
62ec30d4 | 337 | { |
e5fbba85 AJ |
338 | enum hp_wmi_radio r = (enum hp_wmi_radio) data; |
339 | int query = BIT(r + 8) | ((!blocked) << r); | |
6d96e00c | 340 | int ret; |
62ec30d4 | 341 | |
d8193cff | 342 | ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, |
c3021ea1 | 343 | &query, sizeof(query), 0); |
527376c8 DHV |
344 | |
345 | return ret <= 0 ? ret : -EINVAL; | |
62ec30d4 MG |
346 | } |
347 | ||
19d337df JB |
348 | static const struct rfkill_ops hp_wmi_rfkill_ops = { |
349 | .set_block = hp_wmi_set_block, | |
350 | }; | |
62ec30d4 | 351 | |
e5fbba85 | 352 | static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) |
62ec30d4 | 353 | { |
3bf9310a | 354 | int mask = 0x200 << (r * 8); |
3bf9310a | 355 | |
c7ef144c DHV |
356 | int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); |
357 | ||
6d96e00c | 358 | /* TBD: Pass error */ |
c7ef144c | 359 | WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY"); |
6d96e00c | 360 | |
c7ef144c | 361 | return !(wireless & mask); |
62ec30d4 MG |
362 | } |
363 | ||
e5fbba85 | 364 | static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) |
62ec30d4 | 365 | { |
3bf9310a | 366 | int mask = 0x800 << (r * 8); |
3bf9310a | 367 | |
c7ef144c DHV |
368 | int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); |
369 | ||
6d96e00c | 370 | /* TBD: Pass error */ |
c7ef144c | 371 | WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY"); |
6d96e00c | 372 | |
c7ef144c | 373 | return !(wireless & mask); |
62ec30d4 MG |
374 | } |
375 | ||
c0b9c649 AH |
376 | static int hp_wmi_rfkill2_set_block(void *data, bool blocked) |
377 | { | |
378 | int rfkill_id = (int)(long)data; | |
379 | char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked }; | |
527376c8 | 380 | int ret; |
c0b9c649 | 381 | |
527376c8 DHV |
382 | ret = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_WRITE, |
383 | buffer, sizeof(buffer), 0); | |
384 | ||
385 | return ret <= 0 ? ret : -EINVAL; | |
c0b9c649 AH |
386 | } |
387 | ||
388 | static const struct rfkill_ops hp_wmi_rfkill2_ops = { | |
389 | .set_block = hp_wmi_rfkill2_set_block, | |
390 | }; | |
391 | ||
392 | static int hp_wmi_rfkill2_refresh(void) | |
393 | { | |
c0b9c649 | 394 | struct bios_rfkill2_state state; |
3bf9310a | 395 | int err, i; |
c0b9c649 | 396 | |
d8193cff | 397 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state, |
f3e4f3fc | 398 | sizeof(state), sizeof(state)); |
c0b9c649 AH |
399 | if (err) |
400 | return err; | |
401 | ||
402 | for (i = 0; i < rfkill2_count; i++) { | |
403 | int num = rfkill2[i].num; | |
404 | struct bios_rfkill2_device_state *devstate; | |
405 | devstate = &state.device[num]; | |
406 | ||
407 | if (num >= state.count || | |
408 | devstate->rfkill_id != rfkill2[i].id) { | |
b5a4223c | 409 | pr_warn("power configuration of the wireless devices unexpectedly changed\n"); |
c0b9c649 AH |
410 | continue; |
411 | } | |
412 | ||
413 | rfkill_set_states(rfkill2[i].rfkill, | |
414 | IS_SWBLOCKED(devstate->power), | |
415 | IS_HWBLOCKED(devstate->power)); | |
416 | } | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
c21ee12f | 421 | static ssize_t display_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
422 | char *buf) |
423 | { | |
ea621d9f | 424 | int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY); |
62ec30d4 | 425 | if (value < 0) |
a055f9ec | 426 | return value; |
62ec30d4 MG |
427 | return sprintf(buf, "%d\n", value); |
428 | } | |
429 | ||
c21ee12f | 430 | static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
431 | char *buf) |
432 | { | |
ea621d9f | 433 | int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY); |
62ec30d4 | 434 | if (value < 0) |
a055f9ec | 435 | return value; |
62ec30d4 MG |
436 | return sprintf(buf, "%d\n", value); |
437 | } | |
438 | ||
c21ee12f | 439 | static ssize_t als_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
440 | char *buf) |
441 | { | |
ea621d9f | 442 | int value = hp_wmi_read_int(HPWMI_ALS_QUERY); |
62ec30d4 | 443 | if (value < 0) |
a055f9ec | 444 | return value; |
62ec30d4 MG |
445 | return sprintf(buf, "%d\n", value); |
446 | } | |
447 | ||
c21ee12f | 448 | static ssize_t dock_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
449 | char *buf) |
450 | { | |
f9cf3b28 | 451 | int value = hp_wmi_hw_state(HPWMI_DOCK_MASK); |
62ec30d4 | 452 | if (value < 0) |
a055f9ec | 453 | return value; |
62ec30d4 MG |
454 | return sprintf(buf, "%d\n", value); |
455 | } | |
456 | ||
c21ee12f DHV |
457 | static ssize_t tablet_show(struct device *dev, struct device_attribute *attr, |
458 | char *buf) | |
871043bc | 459 | { |
f9cf3b28 | 460 | int value = hp_wmi_hw_state(HPWMI_TABLET_MASK); |
871043bc | 461 | if (value < 0) |
a055f9ec | 462 | return value; |
871043bc MG |
463 | return sprintf(buf, "%d\n", value); |
464 | } | |
465 | ||
c21ee12f DHV |
466 | static ssize_t postcode_show(struct device *dev, struct device_attribute *attr, |
467 | char *buf) | |
8667ca95 AH |
468 | { |
469 | /* Get the POST error code of previous boot failure. */ | |
ea621d9f | 470 | int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY); |
8667ca95 | 471 | if (value < 0) |
a055f9ec | 472 | return value; |
8667ca95 AH |
473 | return sprintf(buf, "0x%x\n", value); |
474 | } | |
475 | ||
c21ee12f DHV |
476 | static ssize_t als_store(struct device *dev, struct device_attribute *attr, |
477 | const char *buf, size_t count) | |
62ec30d4 | 478 | { |
5cdc45ed AS |
479 | u32 tmp; |
480 | int ret; | |
481 | ||
482 | ret = kstrtou32(buf, 10, &tmp); | |
483 | if (ret) | |
484 | return ret; | |
485 | ||
486 | ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, | |
c3021ea1 | 487 | sizeof(tmp), sizeof(tmp)); |
6d96e00c | 488 | if (ret) |
d3138769 | 489 | return ret < 0 ? ret : -EINVAL; |
6d96e00c | 490 | |
62ec30d4 MG |
491 | return count; |
492 | } | |
493 | ||
c21ee12f DHV |
494 | static ssize_t postcode_store(struct device *dev, struct device_attribute *attr, |
495 | const char *buf, size_t count) | |
8667ca95 | 496 | { |
7640cd0b AS |
497 | u32 tmp = 1; |
498 | bool clear; | |
8667ca95 | 499 | int ret; |
8667ca95 | 500 | |
7640cd0b | 501 | ret = kstrtobool(buf, &clear); |
527376c8 | 502 | if (ret) |
7640cd0b AS |
503 | return ret; |
504 | ||
505 | if (clear == false) | |
506 | return -EINVAL; | |
8667ca95 AH |
507 | |
508 | /* Clear the POST error code. It is kept until until cleared. */ | |
d8193cff | 509 | ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp, |
8667ca95 AH |
510 | sizeof(tmp), sizeof(tmp)); |
511 | if (ret) | |
d3138769 | 512 | return ret < 0 ? ret : -EINVAL; |
8667ca95 AH |
513 | |
514 | return count; | |
515 | } | |
516 | ||
c21ee12f DHV |
517 | static DEVICE_ATTR_RO(display); |
518 | static DEVICE_ATTR_RO(hddtemp); | |
519 | static DEVICE_ATTR_RW(als); | |
520 | static DEVICE_ATTR_RO(dock); | |
521 | static DEVICE_ATTR_RO(tablet); | |
522 | static DEVICE_ATTR_RW(postcode); | |
62ec30d4 | 523 | |
5bd08a4a GKH |
524 | static struct attribute *hp_wmi_attrs[] = { |
525 | &dev_attr_display.attr, | |
526 | &dev_attr_hddtemp.attr, | |
527 | &dev_attr_als.attr, | |
528 | &dev_attr_dock.attr, | |
529 | &dev_attr_tablet.attr, | |
530 | &dev_attr_postcode.attr, | |
531 | NULL, | |
532 | }; | |
533 | ATTRIBUTE_GROUPS(hp_wmi); | |
534 | ||
88429a10 | 535 | static void hp_wmi_notify(u32 value, void *context) |
62ec30d4 MG |
536 | { |
537 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
8dda6b04 | 538 | u32 event_id, event_data; |
3bf9310a | 539 | union acpi_object *obj; |
fda11e61 | 540 | acpi_status status; |
3bf9310a | 541 | u32 *location; |
ea621d9f | 542 | int key_code; |
62ec30d4 | 543 | |
fda11e61 LB |
544 | status = wmi_get_event_data(value, &response); |
545 | if (status != AE_OK) { | |
b5a4223c | 546 | pr_info("bad event status 0x%x\n", status); |
fda11e61 LB |
547 | return; |
548 | } | |
62ec30d4 MG |
549 | |
550 | obj = (union acpi_object *)response.pointer; | |
551 | ||
c4775062 TR |
552 | if (!obj) |
553 | return; | |
554 | if (obj->type != ACPI_TYPE_BUFFER) { | |
b5a4223c | 555 | pr_info("Unknown response received %d\n", obj->type); |
44ef00e6 | 556 | kfree(obj); |
e5fbba85 AJ |
557 | return; |
558 | } | |
559 | ||
8dda6b04 TR |
560 | /* |
561 | * Depending on ACPI version the concatenation of id and event data | |
562 | * inside _WED function will result in a 8 or 16 byte buffer. | |
563 | */ | |
564 | location = (u32 *)obj->buffer.pointer; | |
565 | if (obj->buffer.length == 8) { | |
566 | event_id = *location; | |
567 | event_data = *(location + 1); | |
568 | } else if (obj->buffer.length == 16) { | |
569 | event_id = *location; | |
570 | event_data = *(location + 2); | |
571 | } else { | |
b5a4223c | 572 | pr_info("Unknown buffer length %d\n", obj->buffer.length); |
8dda6b04 TR |
573 | kfree(obj); |
574 | return; | |
575 | } | |
44ef00e6 | 576 | kfree(obj); |
8dda6b04 TR |
577 | |
578 | switch (event_id) { | |
751ae808 | 579 | case HPWMI_DOCK_EVENT: |
298747b7 CC |
580 | if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit)) |
581 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
f9cf3b28 | 582 | hp_wmi_hw_state(HPWMI_DOCK_MASK)); |
298747b7 CC |
583 | if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) |
584 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
f9cf3b28 | 585 | hp_wmi_hw_state(HPWMI_TABLET_MASK)); |
e5fbba85 | 586 | input_sync(hp_wmi_input_dev); |
751ae808 | 587 | break; |
1bbdfd59 TR |
588 | case HPWMI_PARK_HDD: |
589 | break; | |
590 | case HPWMI_SMART_ADAPTER: | |
591 | break; | |
751ae808 | 592 | case HPWMI_BEZEL_BUTTON: |
ea621d9f DHV |
593 | key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY); |
594 | if (key_code < 0) | |
6d96e00c | 595 | break; |
4d291ed7 DT |
596 | |
597 | if (!sparse_keymap_report_event(hp_wmi_input_dev, | |
598 | key_code, 1, true)) | |
b5a4223c | 599 | pr_info("Unknown key code - 0x%x\n", key_code); |
751ae808 TR |
600 | break; |
601 | case HPWMI_WIRELESS: | |
c0b9c649 AH |
602 | if (rfkill2_count) { |
603 | hp_wmi_rfkill2_refresh(); | |
604 | break; | |
605 | } | |
606 | ||
e5fbba85 AJ |
607 | if (wifi_rfkill) |
608 | rfkill_set_states(wifi_rfkill, | |
609 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
610 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
611 | if (bluetooth_rfkill) | |
612 | rfkill_set_states(bluetooth_rfkill, | |
613 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
614 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
615 | if (wwan_rfkill) | |
616 | rfkill_set_states(wwan_rfkill, | |
617 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
618 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
751ae808 | 619 | break; |
1bbdfd59 | 620 | case HPWMI_CPU_BATTERY_THROTTLE: |
b5a4223c | 621 | pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n"); |
1bbdfd59 TR |
622 | break; |
623 | case HPWMI_LOCK_SWITCH: | |
624 | break; | |
d9e290a0 AH |
625 | case HPWMI_LID_SWITCH: |
626 | break; | |
627 | case HPWMI_SCREEN_ROTATION: | |
628 | break; | |
629 | case HPWMI_COOLSENSE_SYSTEM_MOBILE: | |
630 | break; | |
631 | case HPWMI_COOLSENSE_SYSTEM_HOT: | |
632 | break; | |
633 | case HPWMI_PROXIMITY_SENSOR: | |
634 | break; | |
635 | case HPWMI_BACKLIT_KB_BRIGHTNESS: | |
636 | break; | |
637 | case HPWMI_PEAKSHIFT_PERIOD: | |
638 | break; | |
639 | case HPWMI_BATTERY_CHARGE_PERIOD: | |
640 | break; | |
751ae808 | 641 | default: |
b5a4223c | 642 | pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); |
751ae808 TR |
643 | break; |
644 | } | |
62ec30d4 MG |
645 | } |
646 | ||
647 | static int __init hp_wmi_input_setup(void) | |
648 | { | |
4d291ed7 | 649 | acpi_status status; |
3bf9310a | 650 | int err, val; |
62ec30d4 MG |
651 | |
652 | hp_wmi_input_dev = input_allocate_device(); | |
bc28596a AL |
653 | if (!hp_wmi_input_dev) |
654 | return -ENOMEM; | |
62ec30d4 MG |
655 | |
656 | hp_wmi_input_dev->name = "HP WMI hotkeys"; | |
657 | hp_wmi_input_dev->phys = "wmi/input0"; | |
658 | hp_wmi_input_dev->id.bustype = BUS_HOST; | |
62ec30d4 | 659 | |
4d291ed7 | 660 | __set_bit(EV_SW, hp_wmi_input_dev->evbit); |
298747b7 CC |
661 | |
662 | /* Dock */ | |
f9cf3b28 | 663 | val = hp_wmi_hw_state(HPWMI_DOCK_MASK); |
298747b7 CC |
664 | if (!(val < 0)) { |
665 | __set_bit(SW_DOCK, hp_wmi_input_dev->swbit); | |
666 | input_report_switch(hp_wmi_input_dev, SW_DOCK, val); | |
667 | } | |
668 | ||
669 | /* Tablet mode */ | |
67fbe02a HG |
670 | if (enable_tablet_mode_sw > 0) { |
671 | val = hp_wmi_hw_state(HPWMI_TABLET_MASK); | |
672 | if (val >= 0) { | |
673 | __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); | |
674 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val); | |
675 | } | |
298747b7 | 676 | } |
4d291ed7 DT |
677 | |
678 | err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL); | |
679 | if (err) | |
680 | goto err_free_dev; | |
871043bc MG |
681 | |
682 | /* Set initial hardware state */ | |
871043bc MG |
683 | input_sync(hp_wmi_input_dev); |
684 | ||
8a1513b4 | 685 | if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later()) |
f82bdd0d KE |
686 | hp_wmi_enable_hotkeys(); |
687 | ||
4d291ed7 DT |
688 | status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL); |
689 | if (ACPI_FAILURE(status)) { | |
690 | err = -EIO; | |
3a3c1115 | 691 | goto err_free_dev; |
62ec30d4 MG |
692 | } |
693 | ||
4d291ed7 DT |
694 | err = input_register_device(hp_wmi_input_dev); |
695 | if (err) | |
696 | goto err_uninstall_notifier; | |
697 | ||
62ec30d4 | 698 | return 0; |
4d291ed7 DT |
699 | |
700 | err_uninstall_notifier: | |
701 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
4d291ed7 DT |
702 | err_free_dev: |
703 | input_free_device(hp_wmi_input_dev); | |
704 | return err; | |
705 | } | |
706 | ||
707 | static void hp_wmi_input_destroy(void) | |
708 | { | |
709 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
4d291ed7 | 710 | input_unregister_device(hp_wmi_input_dev); |
62ec30d4 MG |
711 | } |
712 | ||
702ef542 | 713 | static int __init hp_wmi_rfkill_setup(struct platform_device *device) |
62ec30d4 | 714 | { |
ea621d9f | 715 | int err, wireless; |
6d96e00c | 716 | |
ea621d9f | 717 | wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); |
527376c8 | 718 | if (wireless < 0) |
ea621d9f | 719 | return wireless; |
62ec30d4 | 720 | |
d8193cff | 721 | err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &wireless, |
fc8a601e AH |
722 | sizeof(wireless), 0); |
723 | if (err) | |
724 | return err; | |
725 | ||
3f6e2f13 | 726 | if (wireless & 0x1) { |
19d337df JB |
727 | wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, |
728 | RFKILL_TYPE_WLAN, | |
729 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 730 | (void *) HPWMI_WIFI); |
dd258c00 DC |
731 | if (!wifi_rfkill) |
732 | return -ENOMEM; | |
e5fbba85 AJ |
733 | rfkill_init_sw_state(wifi_rfkill, |
734 | hp_wmi_get_sw_state(HPWMI_WIFI)); | |
735 | rfkill_set_hw_state(wifi_rfkill, | |
736 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
fe8e4e03 LF |
737 | err = rfkill_register(wifi_rfkill); |
738 | if (err) | |
19d337df | 739 | goto register_wifi_error; |
3f6e2f13 MG |
740 | } |
741 | ||
742 | if (wireless & 0x2) { | |
19d337df JB |
743 | bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev, |
744 | RFKILL_TYPE_BLUETOOTH, | |
745 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 746 | (void *) HPWMI_BLUETOOTH); |
dd258c00 DC |
747 | if (!bluetooth_rfkill) { |
748 | err = -ENOMEM; | |
c7805e54 | 749 | goto register_bluetooth_error; |
dd258c00 | 750 | } |
e5fbba85 AJ |
751 | rfkill_init_sw_state(bluetooth_rfkill, |
752 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH)); | |
753 | rfkill_set_hw_state(bluetooth_rfkill, | |
754 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
fe8e4e03 | 755 | err = rfkill_register(bluetooth_rfkill); |
6989d565 | 756 | if (err) |
fe8e4e03 | 757 | goto register_bluetooth_error; |
3f6e2f13 MG |
758 | } |
759 | ||
760 | if (wireless & 0x4) { | |
19d337df JB |
761 | wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev, |
762 | RFKILL_TYPE_WWAN, | |
763 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 764 | (void *) HPWMI_WWAN); |
dd258c00 DC |
765 | if (!wwan_rfkill) { |
766 | err = -ENOMEM; | |
c7805e54 | 767 | goto register_wwan_error; |
dd258c00 | 768 | } |
e5fbba85 AJ |
769 | rfkill_init_sw_state(wwan_rfkill, |
770 | hp_wmi_get_sw_state(HPWMI_WWAN)); | |
771 | rfkill_set_hw_state(wwan_rfkill, | |
772 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
fe8e4e03 LF |
773 | err = rfkill_register(wwan_rfkill); |
774 | if (err) | |
5b5c2b3c | 775 | goto register_wwan_error; |
3f6e2f13 | 776 | } |
62ec30d4 MG |
777 | |
778 | return 0; | |
fffcad87 | 779 | |
5b5c2b3c KT |
780 | register_wwan_error: |
781 | rfkill_destroy(wwan_rfkill); | |
782 | wwan_rfkill = NULL; | |
c7805e54 MS |
783 | if (bluetooth_rfkill) |
784 | rfkill_unregister(bluetooth_rfkill); | |
fe8e4e03 | 785 | register_bluetooth_error: |
19d337df | 786 | rfkill_destroy(bluetooth_rfkill); |
6d97db59 | 787 | bluetooth_rfkill = NULL; |
44f0606d AM |
788 | if (wifi_rfkill) |
789 | rfkill_unregister(wifi_rfkill); | |
19d337df JB |
790 | register_wifi_error: |
791 | rfkill_destroy(wifi_rfkill); | |
6d97db59 | 792 | wifi_rfkill = NULL; |
eceb7bdf AH |
793 | return err; |
794 | } | |
795 | ||
702ef542 | 796 | static int __init hp_wmi_rfkill2_setup(struct platform_device *device) |
c0b9c649 | 797 | { |
c0b9c649 | 798 | struct bios_rfkill2_state state; |
3bf9310a DHV |
799 | int err, i; |
800 | ||
d8193cff | 801 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state, |
f3e4f3fc | 802 | sizeof(state), sizeof(state)); |
c0b9c649 | 803 | if (err) |
527376c8 | 804 | return err < 0 ? err : -EINVAL; |
c0b9c649 AH |
805 | |
806 | if (state.count > HPWMI_MAX_RFKILL2_DEVICES) { | |
b5a4223c | 807 | pr_warn("unable to parse 0x1b query output\n"); |
c0b9c649 AH |
808 | return -EINVAL; |
809 | } | |
810 | ||
811 | for (i = 0; i < state.count; i++) { | |
812 | struct rfkill *rfkill; | |
813 | enum rfkill_type type; | |
814 | char *name; | |
815 | switch (state.device[i].radio_type) { | |
816 | case HPWMI_WIFI: | |
817 | type = RFKILL_TYPE_WLAN; | |
818 | name = "hp-wifi"; | |
819 | break; | |
820 | case HPWMI_BLUETOOTH: | |
821 | type = RFKILL_TYPE_BLUETOOTH; | |
822 | name = "hp-bluetooth"; | |
823 | break; | |
824 | case HPWMI_WWAN: | |
825 | type = RFKILL_TYPE_WWAN; | |
826 | name = "hp-wwan"; | |
827 | break; | |
4fca7ce3 TV |
828 | case HPWMI_GPS: |
829 | type = RFKILL_TYPE_GPS; | |
830 | name = "hp-gps"; | |
831 | break; | |
c0b9c649 | 832 | default: |
b5a4223c JP |
833 | pr_warn("unknown device type 0x%x\n", |
834 | state.device[i].radio_type); | |
c0b9c649 AH |
835 | continue; |
836 | } | |
837 | ||
838 | if (!state.device[i].vendor_id) { | |
b5a4223c JP |
839 | pr_warn("zero device %d while %d reported\n", |
840 | i, state.count); | |
c0b9c649 AH |
841 | continue; |
842 | } | |
843 | ||
844 | rfkill = rfkill_alloc(name, &device->dev, type, | |
845 | &hp_wmi_rfkill2_ops, (void *)(long)i); | |
846 | if (!rfkill) { | |
847 | err = -ENOMEM; | |
848 | goto fail; | |
849 | } | |
850 | ||
851 | rfkill2[rfkill2_count].id = state.device[i].rfkill_id; | |
852 | rfkill2[rfkill2_count].num = i; | |
853 | rfkill2[rfkill2_count].rfkill = rfkill; | |
854 | ||
855 | rfkill_init_sw_state(rfkill, | |
856 | IS_SWBLOCKED(state.device[i].power)); | |
857 | rfkill_set_hw_state(rfkill, | |
858 | IS_HWBLOCKED(state.device[i].power)); | |
859 | ||
860 | if (!(state.device[i].power & HPWMI_POWER_BIOS)) | |
b5a4223c | 861 | pr_info("device %s blocked by BIOS\n", name); |
c0b9c649 AH |
862 | |
863 | err = rfkill_register(rfkill); | |
864 | if (err) { | |
865 | rfkill_destroy(rfkill); | |
866 | goto fail; | |
867 | } | |
868 | ||
869 | rfkill2_count++; | |
870 | } | |
871 | ||
872 | return 0; | |
873 | fail: | |
874 | for (; rfkill2_count > 0; rfkill2_count--) { | |
875 | rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill); | |
876 | rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill); | |
877 | } | |
878 | return err; | |
879 | } | |
880 | ||
4296f679 ED |
881 | static int thermal_profile_get(void) |
882 | { | |
883 | return hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY); | |
884 | } | |
885 | ||
886 | static int thermal_profile_set(int thermal_profile) | |
887 | { | |
888 | return hp_wmi_perform_query(HPWMI_THERMAL_PROFILE_QUERY, HPWMI_WRITE, &thermal_profile, | |
889 | sizeof(thermal_profile), 0); | |
890 | } | |
891 | ||
892 | static int platform_profile_get(struct platform_profile_handler *pprof, | |
893 | enum platform_profile_option *profile) | |
894 | { | |
895 | int tp; | |
896 | ||
897 | tp = thermal_profile_get(); | |
898 | if (tp < 0) | |
899 | return tp; | |
900 | ||
901 | switch (tp) { | |
902 | case HP_THERMAL_PROFILE_PERFORMANCE: | |
903 | *profile = PLATFORM_PROFILE_PERFORMANCE; | |
904 | break; | |
905 | case HP_THERMAL_PROFILE_DEFAULT: | |
906 | *profile = PLATFORM_PROFILE_BALANCED; | |
907 | break; | |
908 | case HP_THERMAL_PROFILE_COOL: | |
909 | *profile = PLATFORM_PROFILE_COOL; | |
910 | break; | |
911 | default: | |
912 | return -EINVAL; | |
913 | } | |
914 | ||
915 | return 0; | |
916 | } | |
917 | ||
918 | static int platform_profile_set(struct platform_profile_handler *pprof, | |
919 | enum platform_profile_option profile) | |
81c93798 ED |
920 | { |
921 | int err, tp; | |
922 | ||
4296f679 ED |
923 | switch (profile) { |
924 | case PLATFORM_PROFILE_PERFORMANCE: | |
925 | tp = HP_THERMAL_PROFILE_PERFORMANCE; | |
926 | break; | |
927 | case PLATFORM_PROFILE_BALANCED: | |
928 | tp = HP_THERMAL_PROFILE_DEFAULT; | |
929 | break; | |
930 | case PLATFORM_PROFILE_COOL: | |
931 | tp = HP_THERMAL_PROFILE_COOL; | |
932 | break; | |
933 | default: | |
934 | return -EOPNOTSUPP; | |
935 | } | |
936 | ||
937 | err = thermal_profile_set(tp); | |
938 | if (err) | |
939 | return err; | |
940 | ||
941 | return 0; | |
942 | } | |
943 | ||
944 | static int thermal_profile_setup(void) | |
945 | { | |
946 | int err, tp; | |
947 | ||
948 | tp = thermal_profile_get(); | |
81c93798 ED |
949 | if (tp < 0) |
950 | return tp; | |
951 | ||
952 | /* | |
d7da7534 | 953 | * call thermal profile write command to ensure that the firmware correctly |
81c93798 ED |
954 | * sets the OEM variables for the DPTF |
955 | */ | |
4296f679 | 956 | err = thermal_profile_set(tp); |
81c93798 ED |
957 | if (err) |
958 | return err; | |
959 | ||
4296f679 ED |
960 | platform_profile_handler.profile_get = platform_profile_get, |
961 | platform_profile_handler.profile_set = platform_profile_set, | |
962 | ||
963 | set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices); | |
964 | set_bit(PLATFORM_PROFILE_BALANCED, platform_profile_handler.choices); | |
965 | set_bit(PLATFORM_PROFILE_PERFORMANCE, platform_profile_handler.choices); | |
966 | ||
967 | err = platform_profile_register(&platform_profile_handler); | |
968 | if (err) | |
969 | return err; | |
970 | ||
971 | platform_profile_support = true; | |
972 | ||
81c93798 ED |
973 | return 0; |
974 | } | |
975 | ||
c165b80c | 976 | static int __init hp_wmi_bios_setup(struct platform_device *device) |
eceb7bdf | 977 | { |
6d97db59 AH |
978 | /* clear detected rfkill devices */ |
979 | wifi_rfkill = NULL; | |
980 | bluetooth_rfkill = NULL; | |
981 | wwan_rfkill = NULL; | |
c0b9c649 | 982 | rfkill2_count = 0; |
6d97db59 | 983 | |
fc8a601e | 984 | if (hp_wmi_rfkill_setup(device)) |
c0b9c649 | 985 | hp_wmi_rfkill2_setup(device); |
eceb7bdf | 986 | |
4296f679 | 987 | thermal_profile_setup(); |
81c93798 | 988 | |
eceb7bdf | 989 | return 0; |
62ec30d4 MG |
990 | } |
991 | ||
992 | static int __exit hp_wmi_bios_remove(struct platform_device *device) | |
993 | { | |
c0b9c649 | 994 | int i; |
62ec30d4 | 995 | |
c0b9c649 AH |
996 | for (i = 0; i < rfkill2_count; i++) { |
997 | rfkill_unregister(rfkill2[i].rfkill); | |
998 | rfkill_destroy(rfkill2[i].rfkill); | |
999 | } | |
1000 | ||
19d337df | 1001 | if (wifi_rfkill) { |
3f6e2f13 | 1002 | rfkill_unregister(wifi_rfkill); |
19d337df JB |
1003 | rfkill_destroy(wifi_rfkill); |
1004 | } | |
1005 | if (bluetooth_rfkill) { | |
3f6e2f13 | 1006 | rfkill_unregister(bluetooth_rfkill); |
09729f0b | 1007 | rfkill_destroy(bluetooth_rfkill); |
19d337df JB |
1008 | } |
1009 | if (wwan_rfkill) { | |
3f6e2f13 | 1010 | rfkill_unregister(wwan_rfkill); |
19d337df JB |
1011 | rfkill_destroy(wwan_rfkill); |
1012 | } | |
62ec30d4 | 1013 | |
4296f679 ED |
1014 | if (platform_profile_support) |
1015 | platform_profile_remove(); | |
1016 | ||
62ec30d4 MG |
1017 | return 0; |
1018 | } | |
1019 | ||
8dd2b426 | 1020 | static int hp_wmi_resume_handler(struct device *device) |
4c395bdd | 1021 | { |
4c395bdd | 1022 | /* |
871043bc MG |
1023 | * Hardware state may have changed while suspended, so trigger |
1024 | * input events for the current state. As this is a switch, | |
4c395bdd FP |
1025 | * the input layer will only actually pass it on if the state |
1026 | * changed. | |
1027 | */ | |
daed9537 | 1028 | if (hp_wmi_input_dev) { |
298747b7 CC |
1029 | if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit)) |
1030 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
f9cf3b28 | 1031 | hp_wmi_hw_state(HPWMI_DOCK_MASK)); |
298747b7 CC |
1032 | if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) |
1033 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
f9cf3b28 | 1034 | hp_wmi_hw_state(HPWMI_TABLET_MASK)); |
daed9537 FP |
1035 | input_sync(hp_wmi_input_dev); |
1036 | } | |
4c395bdd | 1037 | |
c0b9c649 AH |
1038 | if (rfkill2_count) |
1039 | hp_wmi_rfkill2_refresh(); | |
1040 | ||
e5fbba85 AJ |
1041 | if (wifi_rfkill) |
1042 | rfkill_set_states(wifi_rfkill, | |
1043 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
1044 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
1045 | if (bluetooth_rfkill) | |
1046 | rfkill_set_states(bluetooth_rfkill, | |
1047 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
1048 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
1049 | if (wwan_rfkill) | |
1050 | rfkill_set_states(wwan_rfkill, | |
1051 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
1052 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
1053 | ||
4c395bdd FP |
1054 | return 0; |
1055 | } | |
1056 | ||
c165b80c DT |
1057 | static const struct dev_pm_ops hp_wmi_pm_ops = { |
1058 | .resume = hp_wmi_resume_handler, | |
1059 | .restore = hp_wmi_resume_handler, | |
1060 | }; | |
1061 | ||
1062 | static struct platform_driver hp_wmi_driver = { | |
1063 | .driver = { | |
1064 | .name = "hp-wmi", | |
c165b80c | 1065 | .pm = &hp_wmi_pm_ops, |
5bd08a4a | 1066 | .dev_groups = hp_wmi_groups, |
c165b80c DT |
1067 | }, |
1068 | .remove = __exit_p(hp_wmi_bios_remove), | |
1069 | }; | |
1070 | ||
62ec30d4 MG |
1071 | static int __init hp_wmi_init(void) |
1072 | { | |
b096667b TR |
1073 | int event_capable = wmi_has_guid(HPWMI_EVENT_GUID); |
1074 | int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID); | |
3bf9310a | 1075 | int err; |
62ec30d4 | 1076 | |
c165b80c DT |
1077 | if (!bios_capable && !event_capable) |
1078 | return -ENODEV; | |
1079 | ||
b096667b | 1080 | if (event_capable) { |
dfec5c48 | 1081 | err = hp_wmi_input_setup(); |
4d291ed7 | 1082 | if (err) |
dfec5c48 | 1083 | return err; |
62ec30d4 MG |
1084 | } |
1085 | ||
b096667b | 1086 | if (bios_capable) { |
c165b80c DT |
1087 | hp_wmi_platform_dev = |
1088 | platform_device_register_simple("hp-wmi", -1, NULL, 0); | |
1089 | if (IS_ERR(hp_wmi_platform_dev)) { | |
1090 | err = PTR_ERR(hp_wmi_platform_dev); | |
1091 | goto err_destroy_input; | |
62ec30d4 | 1092 | } |
c165b80c DT |
1093 | |
1094 | err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup); | |
dfec5c48 | 1095 | if (err) |
c165b80c | 1096 | goto err_unregister_device; |
62ec30d4 MG |
1097 | } |
1098 | ||
1099 | return 0; | |
dfec5c48 | 1100 | |
c165b80c DT |
1101 | err_unregister_device: |
1102 | platform_device_unregister(hp_wmi_platform_dev); | |
1103 | err_destroy_input: | |
4d291ed7 DT |
1104 | if (event_capable) |
1105 | hp_wmi_input_destroy(); | |
dfec5c48 AL |
1106 | |
1107 | return err; | |
62ec30d4 | 1108 | } |
c165b80c | 1109 | module_init(hp_wmi_init); |
62ec30d4 MG |
1110 | |
1111 | static void __exit hp_wmi_exit(void) | |
1112 | { | |
4d291ed7 DT |
1113 | if (wmi_has_guid(HPWMI_EVENT_GUID)) |
1114 | hp_wmi_input_destroy(); | |
1115 | ||
62ec30d4 | 1116 | if (hp_wmi_platform_dev) { |
97ba0af0 | 1117 | platform_device_unregister(hp_wmi_platform_dev); |
62ec30d4 MG |
1118 | platform_driver_unregister(&hp_wmi_driver); |
1119 | } | |
1120 | } | |
62ec30d4 | 1121 | module_exit(hp_wmi_exit); |