Commit | Line | Data |
---|---|---|
16216333 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
58ac7aa0 | 2 | /* |
a4b5a279 | 3 | * ideapad-laptop.c - Lenovo IdeaPad ACPI Extras |
58ac7aa0 DW |
4 | * |
5 | * Copyright © 2010 Intel Corporation | |
6 | * Copyright © 2010 David Woodhouse <dwmw2@infradead.org> | |
58ac7aa0 DW |
7 | */ |
8 | ||
9ab23989 JP |
9 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
10 | ||
58ac7aa0 DW |
11 | #include <linux/kernel.h> |
12 | #include <linux/module.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/types.h> | |
8b48463f | 15 | #include <linux/acpi.h> |
58ac7aa0 | 16 | #include <linux/rfkill.h> |
98ee6919 | 17 | #include <linux/platform_device.h> |
f63409ae IP |
18 | #include <linux/input.h> |
19 | #include <linux/input/sparse-keymap.h> | |
a4ecbb8a IP |
20 | #include <linux/backlight.h> |
21 | #include <linux/fb.h> | |
773e3206 IP |
22 | #include <linux/debugfs.h> |
23 | #include <linux/seq_file.h> | |
07a4a4fc | 24 | #include <linux/i8042.h> |
85093f79 | 25 | #include <linux/dmi.h> |
b3facd7b | 26 | #include <linux/device.h> |
26bff5f0 | 27 | #include <acpi/video.h> |
58ac7aa0 | 28 | |
c1f73658 | 29 | #define IDEAPAD_RFKILL_DEV_NUM (3) |
58ac7aa0 | 30 | |
ade50296 | 31 | #define BM_CONSERVATION_BIT (5) |
40760717 | 32 | #define HA_FNLOCK_BIT (10) |
ade50296 | 33 | |
3371f481 IP |
34 | #define CFG_BT_BIT (16) |
35 | #define CFG_3G_BIT (17) | |
36 | #define CFG_WIFI_BIT (18) | |
a84511f7 | 37 | #define CFG_CAMERA_BIT (19) |
3371f481 | 38 | |
74caab99 | 39 | #if IS_ENABLED(CONFIG_ACPI_WMI) |
2d98e0b9 AB |
40 | static const char *const ideapad_wmi_fnesc_events[] = { |
41 | "26CAB2E5-5CF1-46AE-AAC3-4A12B6BA50E6", /* Yoga 3 */ | |
42 | "56322276-8493-4CE8-A783-98C991274F5E", /* Yoga 700 */ | |
43 | }; | |
74caab99 AB |
44 | #endif |
45 | ||
ade50296 HWT |
46 | enum { |
47 | BMCMD_CONSERVATION_ON = 3, | |
48 | BMCMD_CONSERVATION_OFF = 5, | |
40760717 OK |
49 | HACMD_FNLOCK_ON = 0xe, |
50 | HACMD_FNLOCK_OFF = 0xf, | |
ade50296 HWT |
51 | }; |
52 | ||
2be1dc21 IP |
53 | enum { |
54 | VPCCMD_R_VPC1 = 0x10, | |
55 | VPCCMD_R_BL_MAX, | |
56 | VPCCMD_R_BL, | |
57 | VPCCMD_W_BL, | |
58 | VPCCMD_R_WIFI, | |
59 | VPCCMD_W_WIFI, | |
60 | VPCCMD_R_BT, | |
61 | VPCCMD_W_BT, | |
62 | VPCCMD_R_BL_POWER, | |
63 | VPCCMD_R_NOVO, | |
64 | VPCCMD_R_VPC2, | |
65 | VPCCMD_R_TOUCHPAD, | |
66 | VPCCMD_W_TOUCHPAD, | |
67 | VPCCMD_R_CAMERA, | |
68 | VPCCMD_W_CAMERA, | |
69 | VPCCMD_R_3G, | |
70 | VPCCMD_W_3G, | |
71 | VPCCMD_R_ODD, /* 0x21 */ | |
0c7bbeb9 MM |
72 | VPCCMD_W_FAN, |
73 | VPCCMD_R_RF, | |
2be1dc21 | 74 | VPCCMD_W_RF, |
0c7bbeb9 | 75 | VPCCMD_R_FAN = 0x2B, |
296f9fe0 | 76 | VPCCMD_R_SPECIAL_BUTTONS = 0x31, |
2be1dc21 IP |
77 | VPCCMD_W_BL_POWER = 0x33, |
78 | }; | |
79 | ||
331e0ea2 ZR |
80 | struct ideapad_rfk_priv { |
81 | int dev; | |
82 | struct ideapad_private *priv; | |
83 | }; | |
84 | ||
ce326329 | 85 | struct ideapad_private { |
469f6434 | 86 | struct acpi_device *adev; |
c1f73658 | 87 | struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM]; |
331e0ea2 | 88 | struct ideapad_rfk_priv rfk_priv[IDEAPAD_RFKILL_DEV_NUM]; |
98ee6919 | 89 | struct platform_device *platform_device; |
f63409ae | 90 | struct input_dev *inputdev; |
a4ecbb8a | 91 | struct backlight_device *blightdev; |
773e3206 | 92 | struct dentry *debug; |
3371f481 | 93 | unsigned long cfg; |
ce363c2b | 94 | bool has_hw_rfkill_switch; |
d69cd7ee | 95 | bool has_touchpad_switch; |
2d98e0b9 | 96 | const char *fnesc_guid; |
58ac7aa0 DW |
97 | }; |
98 | ||
bfa97b7d IP |
99 | static bool no_bt_rfkill; |
100 | module_param(no_bt_rfkill, bool, 0444); | |
101 | MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); | |
102 | ||
6a09f21d IP |
103 | /* |
104 | * ACPI Helpers | |
105 | */ | |
ed5b9ba7 | 106 | #define IDEAPAD_EC_TIMEOUT (200) /* in ms */ |
6a09f21d IP |
107 | |
108 | static int read_method_int(acpi_handle handle, const char *method, int *val) | |
109 | { | |
110 | acpi_status status; | |
111 | unsigned long long result; | |
112 | ||
113 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
114 | if (ACPI_FAILURE(status)) { | |
115 | *val = -1; | |
116 | return -1; | |
6a09f21d | 117 | } |
ba3a3387 JY |
118 | *val = result; |
119 | return 0; | |
120 | ||
6a09f21d IP |
121 | } |
122 | ||
ade50296 HWT |
123 | static int method_gbmd(acpi_handle handle, unsigned long *ret) |
124 | { | |
125 | int result, val; | |
126 | ||
127 | result = read_method_int(handle, "GBMD", &val); | |
128 | *ret = val; | |
129 | return result; | |
130 | } | |
131 | ||
40760717 | 132 | static int method_int1(acpi_handle handle, char *method, int cmd) |
ade50296 HWT |
133 | { |
134 | acpi_status status; | |
135 | ||
40760717 | 136 | status = acpi_execute_simple_method(handle, method, cmd); |
ade50296 HWT |
137 | return ACPI_FAILURE(status) ? -1 : 0; |
138 | } | |
139 | ||
6a09f21d IP |
140 | static int method_vpcr(acpi_handle handle, int cmd, int *ret) |
141 | { | |
142 | acpi_status status; | |
143 | unsigned long long result; | |
144 | struct acpi_object_list params; | |
145 | union acpi_object in_obj; | |
146 | ||
147 | params.count = 1; | |
148 | params.pointer = &in_obj; | |
149 | in_obj.type = ACPI_TYPE_INTEGER; | |
150 | in_obj.integer.value = cmd; | |
151 | ||
152 | status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result); | |
153 | ||
154 | if (ACPI_FAILURE(status)) { | |
155 | *ret = -1; | |
156 | return -1; | |
6a09f21d | 157 | } |
ba3a3387 JY |
158 | *ret = result; |
159 | return 0; | |
160 | ||
6a09f21d IP |
161 | } |
162 | ||
163 | static int method_vpcw(acpi_handle handle, int cmd, int data) | |
164 | { | |
165 | struct acpi_object_list params; | |
166 | union acpi_object in_obj[2]; | |
167 | acpi_status status; | |
168 | ||
169 | params.count = 2; | |
170 | params.pointer = in_obj; | |
171 | in_obj[0].type = ACPI_TYPE_INTEGER; | |
172 | in_obj[0].integer.value = cmd; | |
173 | in_obj[1].type = ACPI_TYPE_INTEGER; | |
174 | in_obj[1].integer.value = data; | |
175 | ||
176 | status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); | |
177 | if (status != AE_OK) | |
178 | return -1; | |
179 | return 0; | |
180 | } | |
181 | ||
182 | static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data) | |
183 | { | |
184 | int val; | |
185 | unsigned long int end_jiffies; | |
186 | ||
187 | if (method_vpcw(handle, 1, cmd)) | |
188 | return -1; | |
189 | ||
190 | for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; | |
191 | time_before(jiffies, end_jiffies);) { | |
192 | schedule(); | |
193 | if (method_vpcr(handle, 1, &val)) | |
194 | return -1; | |
195 | if (val == 0) { | |
196 | if (method_vpcr(handle, 0, &val)) | |
197 | return -1; | |
198 | *data = val; | |
199 | return 0; | |
200 | } | |
201 | } | |
31e56f23 | 202 | pr_err("timeout in %s\n", __func__); |
6a09f21d IP |
203 | return -1; |
204 | } | |
205 | ||
206 | static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) | |
207 | { | |
208 | int val; | |
209 | unsigned long int end_jiffies; | |
210 | ||
211 | if (method_vpcw(handle, 0, data)) | |
212 | return -1; | |
213 | if (method_vpcw(handle, 1, cmd)) | |
214 | return -1; | |
215 | ||
216 | for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; | |
217 | time_before(jiffies, end_jiffies);) { | |
218 | schedule(); | |
219 | if (method_vpcr(handle, 1, &val)) | |
220 | return -1; | |
221 | if (val == 0) | |
222 | return 0; | |
223 | } | |
f1395edb | 224 | pr_err("timeout in %s\n", __func__); |
6a09f21d IP |
225 | return -1; |
226 | } | |
6a09f21d | 227 | |
773e3206 IP |
228 | /* |
229 | * debugfs | |
230 | */ | |
773e3206 IP |
231 | static int debugfs_status_show(struct seq_file *s, void *data) |
232 | { | |
331e0ea2 | 233 | struct ideapad_private *priv = s->private; |
773e3206 IP |
234 | unsigned long value; |
235 | ||
331e0ea2 ZR |
236 | if (!priv) |
237 | return -EINVAL; | |
238 | ||
239 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &value)) | |
773e3206 | 240 | seq_printf(s, "Backlight max:\t%lu\n", value); |
331e0ea2 | 241 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL, &value)) |
773e3206 | 242 | seq_printf(s, "Backlight now:\t%lu\n", value); |
331e0ea2 | 243 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &value)) |
773e3206 IP |
244 | seq_printf(s, "BL power value:\t%s\n", value ? "On" : "Off"); |
245 | seq_printf(s, "=====================\n"); | |
246 | ||
331e0ea2 | 247 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_RF, &value)) |
773e3206 IP |
248 | seq_printf(s, "Radio status:\t%s(%lu)\n", |
249 | value ? "On" : "Off", value); | |
331e0ea2 | 250 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_WIFI, &value)) |
773e3206 IP |
251 | seq_printf(s, "Wifi status:\t%s(%lu)\n", |
252 | value ? "On" : "Off", value); | |
331e0ea2 | 253 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BT, &value)) |
773e3206 IP |
254 | seq_printf(s, "BT status:\t%s(%lu)\n", |
255 | value ? "On" : "Off", value); | |
331e0ea2 | 256 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_3G, &value)) |
773e3206 IP |
257 | seq_printf(s, "3G status:\t%s(%lu)\n", |
258 | value ? "On" : "Off", value); | |
259 | seq_printf(s, "=====================\n"); | |
260 | ||
331e0ea2 | 261 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) |
773e3206 IP |
262 | seq_printf(s, "Touchpad status:%s(%lu)\n", |
263 | value ? "On" : "Off", value); | |
331e0ea2 | 264 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &value)) |
773e3206 IP |
265 | seq_printf(s, "Camera status:\t%s(%lu)\n", |
266 | value ? "On" : "Off", value); | |
ade50296 HWT |
267 | seq_puts(s, "=====================\n"); |
268 | ||
269 | if (!method_gbmd(priv->adev->handle, &value)) { | |
270 | seq_printf(s, "Conservation mode:\t%s(%lu)\n", | |
271 | test_bit(BM_CONSERVATION_BIT, &value) ? "On" : "Off", | |
272 | value); | |
273 | } | |
773e3206 IP |
274 | |
275 | return 0; | |
276 | } | |
334c4efd | 277 | DEFINE_SHOW_ATTRIBUTE(debugfs_status); |
773e3206 IP |
278 | |
279 | static int debugfs_cfg_show(struct seq_file *s, void *data) | |
280 | { | |
331e0ea2 ZR |
281 | struct ideapad_private *priv = s->private; |
282 | ||
283 | if (!priv) { | |
773e3206 IP |
284 | seq_printf(s, "cfg: N/A\n"); |
285 | } else { | |
286 | seq_printf(s, "cfg: 0x%.8lX\n\nCapability: ", | |
331e0ea2 ZR |
287 | priv->cfg); |
288 | if (test_bit(CFG_BT_BIT, &priv->cfg)) | |
773e3206 | 289 | seq_printf(s, "Bluetooth "); |
331e0ea2 | 290 | if (test_bit(CFG_3G_BIT, &priv->cfg)) |
773e3206 | 291 | seq_printf(s, "3G "); |
331e0ea2 | 292 | if (test_bit(CFG_WIFI_BIT, &priv->cfg)) |
773e3206 | 293 | seq_printf(s, "Wireless "); |
331e0ea2 | 294 | if (test_bit(CFG_CAMERA_BIT, &priv->cfg)) |
773e3206 IP |
295 | seq_printf(s, "Camera "); |
296 | seq_printf(s, "\nGraphic: "); | |
331e0ea2 | 297 | switch ((priv->cfg)&0x700) { |
773e3206 IP |
298 | case 0x100: |
299 | seq_printf(s, "Intel"); | |
300 | break; | |
301 | case 0x200: | |
302 | seq_printf(s, "ATI"); | |
303 | break; | |
304 | case 0x300: | |
305 | seq_printf(s, "Nvidia"); | |
306 | break; | |
307 | case 0x400: | |
308 | seq_printf(s, "Intel and ATI"); | |
309 | break; | |
310 | case 0x500: | |
311 | seq_printf(s, "Intel and Nvidia"); | |
312 | break; | |
313 | } | |
314 | seq_printf(s, "\n"); | |
315 | } | |
316 | return 0; | |
317 | } | |
334c4efd | 318 | DEFINE_SHOW_ATTRIBUTE(debugfs_cfg); |
773e3206 | 319 | |
17f1bf38 | 320 | static void ideapad_debugfs_init(struct ideapad_private *priv) |
773e3206 | 321 | { |
17f1bf38 | 322 | struct dentry *dir; |
773e3206 | 323 | |
17f1bf38 GKH |
324 | dir = debugfs_create_dir("ideapad", NULL); |
325 | priv->debug = dir; | |
773e3206 | 326 | |
17f1bf38 GKH |
327 | debugfs_create_file("cfg", S_IRUGO, dir, priv, &debugfs_cfg_fops); |
328 | debugfs_create_file("status", S_IRUGO, dir, priv, &debugfs_status_fops); | |
773e3206 IP |
329 | } |
330 | ||
331 | static void ideapad_debugfs_exit(struct ideapad_private *priv) | |
332 | { | |
333 | debugfs_remove_recursive(priv->debug); | |
334 | priv->debug = NULL; | |
335 | } | |
336 | ||
a4b5a279 | 337 | /* |
3371f481 | 338 | * sysfs |
a4b5a279 | 339 | */ |
58ac7aa0 DW |
340 | static ssize_t show_ideapad_cam(struct device *dev, |
341 | struct device_attribute *attr, | |
342 | char *buf) | |
343 | { | |
26c81d5c | 344 | unsigned long result; |
331e0ea2 | 345 | struct ideapad_private *priv = dev_get_drvdata(dev); |
58ac7aa0 | 346 | |
331e0ea2 | 347 | if (read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &result)) |
26c81d5c IP |
348 | return sprintf(buf, "-1\n"); |
349 | return sprintf(buf, "%lu\n", result); | |
58ac7aa0 DW |
350 | } |
351 | ||
352 | static ssize_t store_ideapad_cam(struct device *dev, | |
353 | struct device_attribute *attr, | |
354 | const char *buf, size_t count) | |
355 | { | |
356 | int ret, state; | |
331e0ea2 | 357 | struct ideapad_private *priv = dev_get_drvdata(dev); |
58ac7aa0 DW |
358 | |
359 | if (!count) | |
360 | return 0; | |
361 | if (sscanf(buf, "%i", &state) != 1) | |
362 | return -EINVAL; | |
331e0ea2 | 363 | ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_CAMERA, state); |
58ac7aa0 | 364 | if (ret < 0) |
0c7bbeb9 | 365 | return -EIO; |
58ac7aa0 DW |
366 | return count; |
367 | } | |
368 | ||
369 | static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); | |
370 | ||
0c7bbeb9 MM |
371 | static ssize_t show_ideapad_fan(struct device *dev, |
372 | struct device_attribute *attr, | |
373 | char *buf) | |
374 | { | |
375 | unsigned long result; | |
331e0ea2 | 376 | struct ideapad_private *priv = dev_get_drvdata(dev); |
0c7bbeb9 | 377 | |
331e0ea2 | 378 | if (read_ec_data(priv->adev->handle, VPCCMD_R_FAN, &result)) |
0c7bbeb9 MM |
379 | return sprintf(buf, "-1\n"); |
380 | return sprintf(buf, "%lu\n", result); | |
381 | } | |
382 | ||
383 | static ssize_t store_ideapad_fan(struct device *dev, | |
384 | struct device_attribute *attr, | |
385 | const char *buf, size_t count) | |
386 | { | |
387 | int ret, state; | |
331e0ea2 | 388 | struct ideapad_private *priv = dev_get_drvdata(dev); |
0c7bbeb9 MM |
389 | |
390 | if (!count) | |
391 | return 0; | |
392 | if (sscanf(buf, "%i", &state) != 1) | |
393 | return -EINVAL; | |
394 | if (state < 0 || state > 4 || state == 3) | |
395 | return -EINVAL; | |
331e0ea2 | 396 | ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_FAN, state); |
0c7bbeb9 MM |
397 | if (ret < 0) |
398 | return -EIO; | |
399 | return count; | |
400 | } | |
401 | ||
402 | static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan); | |
403 | ||
36ac0d43 RRS |
404 | static ssize_t touchpad_show(struct device *dev, |
405 | struct device_attribute *attr, | |
406 | char *buf) | |
407 | { | |
408 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
409 | unsigned long result; | |
410 | ||
411 | if (read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &result)) | |
412 | return sprintf(buf, "-1\n"); | |
413 | return sprintf(buf, "%lu\n", result); | |
414 | } | |
415 | ||
46936fd6 AB |
416 | /* Switch to RO for now: It might be revisited in the future */ |
417 | static ssize_t __maybe_unused touchpad_store(struct device *dev, | |
418 | struct device_attribute *attr, | |
419 | const char *buf, size_t count) | |
36ac0d43 RRS |
420 | { |
421 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
422 | bool state; | |
423 | int ret; | |
424 | ||
425 | ret = kstrtobool(buf, &state); | |
426 | if (ret) | |
427 | return ret; | |
428 | ||
429 | ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, state); | |
430 | if (ret < 0) | |
431 | return -EIO; | |
432 | return count; | |
433 | } | |
434 | ||
7f363145 | 435 | static DEVICE_ATTR_RO(touchpad); |
36ac0d43 | 436 | |
ade50296 HWT |
437 | static ssize_t conservation_mode_show(struct device *dev, |
438 | struct device_attribute *attr, | |
439 | char *buf) | |
440 | { | |
441 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
442 | unsigned long result; | |
443 | ||
444 | if (method_gbmd(priv->adev->handle, &result)) | |
445 | return sprintf(buf, "-1\n"); | |
446 | return sprintf(buf, "%u\n", test_bit(BM_CONSERVATION_BIT, &result)); | |
447 | } | |
448 | ||
449 | static ssize_t conservation_mode_store(struct device *dev, | |
450 | struct device_attribute *attr, | |
451 | const char *buf, size_t count) | |
452 | { | |
453 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
454 | bool state; | |
455 | int ret; | |
456 | ||
457 | ret = kstrtobool(buf, &state); | |
458 | if (ret) | |
459 | return ret; | |
460 | ||
40760717 | 461 | ret = method_int1(priv->adev->handle, "SBMC", state ? |
ade50296 HWT |
462 | BMCMD_CONSERVATION_ON : |
463 | BMCMD_CONSERVATION_OFF); | |
464 | if (ret < 0) | |
465 | return -EIO; | |
466 | return count; | |
467 | } | |
468 | ||
469 | static DEVICE_ATTR_RW(conservation_mode); | |
470 | ||
40760717 OK |
471 | static ssize_t fn_lock_show(struct device *dev, |
472 | struct device_attribute *attr, | |
473 | char *buf) | |
474 | { | |
475 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
476 | unsigned long result; | |
477 | int hals; | |
478 | int fail = read_method_int(priv->adev->handle, "HALS", &hals); | |
479 | ||
480 | if (fail) | |
481 | return sprintf(buf, "-1\n"); | |
482 | ||
483 | result = hals; | |
484 | return sprintf(buf, "%u\n", test_bit(HA_FNLOCK_BIT, &result)); | |
485 | } | |
486 | ||
487 | static ssize_t fn_lock_store(struct device *dev, | |
488 | struct device_attribute *attr, | |
489 | const char *buf, size_t count) | |
490 | { | |
491 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
492 | bool state; | |
493 | int ret; | |
494 | ||
495 | ret = kstrtobool(buf, &state); | |
496 | if (ret) | |
497 | return ret; | |
498 | ||
499 | ret = method_int1(priv->adev->handle, "SALS", state ? | |
500 | HACMD_FNLOCK_ON : | |
501 | HACMD_FNLOCK_OFF); | |
502 | if (ret < 0) | |
503 | return -EIO; | |
504 | return count; | |
505 | } | |
506 | ||
507 | static DEVICE_ATTR_RW(fn_lock); | |
508 | ||
509 | ||
3371f481 IP |
510 | static struct attribute *ideapad_attributes[] = { |
511 | &dev_attr_camera_power.attr, | |
0c7bbeb9 | 512 | &dev_attr_fan_mode.attr, |
36ac0d43 | 513 | &dev_attr_touchpad.attr, |
ade50296 | 514 | &dev_attr_conservation_mode.attr, |
40760717 | 515 | &dev_attr_fn_lock.attr, |
3371f481 IP |
516 | NULL |
517 | }; | |
518 | ||
587a1f16 | 519 | static umode_t ideapad_is_visible(struct kobject *kobj, |
a84511f7 IP |
520 | struct attribute *attr, |
521 | int idx) | |
522 | { | |
523 | struct device *dev = container_of(kobj, struct device, kobj); | |
524 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
525 | bool supported; | |
526 | ||
527 | if (attr == &dev_attr_camera_power.attr) | |
528 | supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); | |
0c7bbeb9 MM |
529 | else if (attr == &dev_attr_fan_mode.attr) { |
530 | unsigned long value; | |
331e0ea2 ZR |
531 | supported = !read_ec_data(priv->adev->handle, VPCCMD_R_FAN, |
532 | &value); | |
ade50296 HWT |
533 | } else if (attr == &dev_attr_conservation_mode.attr) { |
534 | supported = acpi_has_method(priv->adev->handle, "GBMD") && | |
535 | acpi_has_method(priv->adev->handle, "SBMC"); | |
40760717 OK |
536 | } else if (attr == &dev_attr_fn_lock.attr) { |
537 | supported = acpi_has_method(priv->adev->handle, "HALS") && | |
538 | acpi_has_method(priv->adev->handle, "SALS"); | |
d69cd7ee JY |
539 | } else if (attr == &dev_attr_touchpad.attr) |
540 | supported = priv->has_touchpad_switch; | |
541 | else | |
a84511f7 IP |
542 | supported = true; |
543 | ||
544 | return supported ? attr->mode : 0; | |
545 | } | |
546 | ||
49458e83 | 547 | static const struct attribute_group ideapad_attribute_group = { |
a84511f7 | 548 | .is_visible = ideapad_is_visible, |
3371f481 IP |
549 | .attrs = ideapad_attributes |
550 | }; | |
551 | ||
a4b5a279 IP |
552 | /* |
553 | * Rfkill | |
554 | */ | |
c1f73658 IP |
555 | struct ideapad_rfk_data { |
556 | char *name; | |
557 | int cfgbit; | |
558 | int opcode; | |
559 | int type; | |
560 | }; | |
561 | ||
b3d94d70 | 562 | static const struct ideapad_rfk_data ideapad_rfk_data[] = { |
2be1dc21 IP |
563 | { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN }, |
564 | { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH }, | |
565 | { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN }, | |
c1f73658 IP |
566 | }; |
567 | ||
58ac7aa0 DW |
568 | static int ideapad_rfk_set(void *data, bool blocked) |
569 | { | |
331e0ea2 | 570 | struct ideapad_rfk_priv *priv = data; |
4b200b46 | 571 | int opcode = ideapad_rfk_data[priv->dev].opcode; |
fa08359e | 572 | |
4b200b46 | 573 | return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked); |
58ac7aa0 DW |
574 | } |
575 | ||
3d59dfcd | 576 | static const struct rfkill_ops ideapad_rfk_ops = { |
58ac7aa0 DW |
577 | .set_block = ideapad_rfk_set, |
578 | }; | |
579 | ||
923de84a | 580 | static void ideapad_sync_rfk_state(struct ideapad_private *priv) |
58ac7aa0 | 581 | { |
ce363c2b | 582 | unsigned long hw_blocked = 0; |
58ac7aa0 DW |
583 | int i; |
584 | ||
ce363c2b HG |
585 | if (priv->has_hw_rfkill_switch) { |
586 | if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked)) | |
587 | return; | |
588 | hw_blocked = !hw_blocked; | |
589 | } | |
58ac7aa0 | 590 | |
c1f73658 | 591 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
ce326329 | 592 | if (priv->rfk[i]) |
2b7266bd | 593 | rfkill_set_hw_state(priv->rfk[i], hw_blocked); |
58ac7aa0 DW |
594 | } |
595 | ||
75a11f11 | 596 | static int ideapad_register_rfkill(struct ideapad_private *priv, int dev) |
58ac7aa0 DW |
597 | { |
598 | int ret; | |
2b7266bd | 599 | unsigned long sw_blocked; |
58ac7aa0 | 600 | |
bfa97b7d IP |
601 | if (no_bt_rfkill && |
602 | (ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) { | |
603 | /* Force to enable bluetooth when no_bt_rfkill=1 */ | |
331e0ea2 | 604 | write_ec_cmd(priv->adev->handle, |
bfa97b7d IP |
605 | ideapad_rfk_data[dev].opcode, 1); |
606 | return 0; | |
607 | } | |
331e0ea2 ZR |
608 | priv->rfk_priv[dev].dev = dev; |
609 | priv->rfk_priv[dev].priv = priv; | |
bfa97b7d | 610 | |
75a11f11 | 611 | priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, |
b5c37b79 | 612 | &priv->platform_device->dev, |
75a11f11 ZR |
613 | ideapad_rfk_data[dev].type, |
614 | &ideapad_rfk_ops, | |
331e0ea2 | 615 | &priv->rfk_priv[dev]); |
ce326329 | 616 | if (!priv->rfk[dev]) |
58ac7aa0 DW |
617 | return -ENOMEM; |
618 | ||
331e0ea2 | 619 | if (read_ec_data(priv->adev->handle, ideapad_rfk_data[dev].opcode-1, |
2b7266bd IP |
620 | &sw_blocked)) { |
621 | rfkill_init_sw_state(priv->rfk[dev], 0); | |
622 | } else { | |
623 | sw_blocked = !sw_blocked; | |
624 | rfkill_init_sw_state(priv->rfk[dev], sw_blocked); | |
625 | } | |
626 | ||
ce326329 | 627 | ret = rfkill_register(priv->rfk[dev]); |
58ac7aa0 | 628 | if (ret) { |
ce326329 | 629 | rfkill_destroy(priv->rfk[dev]); |
58ac7aa0 DW |
630 | return ret; |
631 | } | |
632 | return 0; | |
633 | } | |
634 | ||
75a11f11 | 635 | static void ideapad_unregister_rfkill(struct ideapad_private *priv, int dev) |
58ac7aa0 | 636 | { |
ce326329 | 637 | if (!priv->rfk[dev]) |
58ac7aa0 DW |
638 | return; |
639 | ||
ce326329 DW |
640 | rfkill_unregister(priv->rfk[dev]); |
641 | rfkill_destroy(priv->rfk[dev]); | |
58ac7aa0 DW |
642 | } |
643 | ||
98ee6919 IP |
644 | /* |
645 | * Platform device | |
646 | */ | |
b5c37b79 | 647 | static int ideapad_sysfs_init(struct ideapad_private *priv) |
98ee6919 | 648 | { |
b5c37b79 | 649 | return sysfs_create_group(&priv->platform_device->dev.kobj, |
c9f718d0 | 650 | &ideapad_attribute_group); |
98ee6919 IP |
651 | } |
652 | ||
b5c37b79 | 653 | static void ideapad_sysfs_exit(struct ideapad_private *priv) |
98ee6919 | 654 | { |
8693ae84 | 655 | sysfs_remove_group(&priv->platform_device->dev.kobj, |
c9f718d0 | 656 | &ideapad_attribute_group); |
98ee6919 | 657 | } |
98ee6919 | 658 | |
f63409ae IP |
659 | /* |
660 | * input device | |
661 | */ | |
662 | static const struct key_entry ideapad_keymap[] = { | |
f43d9ec0 | 663 | { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } }, |
296f9fe0 | 664 | { KE_KEY, 7, { KEY_CAMERA } }, |
48f67d62 | 665 | { KE_KEY, 8, { KEY_MICMUTE } }, |
296f9fe0 | 666 | { KE_KEY, 11, { KEY_F16 } }, |
f43d9ec0 IP |
667 | { KE_KEY, 13, { KEY_WLAN } }, |
668 | { KE_KEY, 16, { KEY_PROG1 } }, | |
669 | { KE_KEY, 17, { KEY_PROG2 } }, | |
296f9fe0 MM |
670 | { KE_KEY, 64, { KEY_PROG3 } }, |
671 | { KE_KEY, 65, { KEY_PROG4 } }, | |
07a4a4fc MM |
672 | { KE_KEY, 66, { KEY_TOUCHPAD_OFF } }, |
673 | { KE_KEY, 67, { KEY_TOUCHPAD_ON } }, | |
74caab99 AB |
674 | { KE_KEY, 128, { KEY_ESC } }, |
675 | ||
f63409ae IP |
676 | { KE_END, 0 }, |
677 | }; | |
678 | ||
b859f159 | 679 | static int ideapad_input_init(struct ideapad_private *priv) |
f63409ae IP |
680 | { |
681 | struct input_dev *inputdev; | |
682 | int error; | |
683 | ||
684 | inputdev = input_allocate_device(); | |
b222cca6 | 685 | if (!inputdev) |
f63409ae | 686 | return -ENOMEM; |
f63409ae IP |
687 | |
688 | inputdev->name = "Ideapad extra buttons"; | |
689 | inputdev->phys = "ideapad/input0"; | |
690 | inputdev->id.bustype = BUS_HOST; | |
8693ae84 | 691 | inputdev->dev.parent = &priv->platform_device->dev; |
f63409ae IP |
692 | |
693 | error = sparse_keymap_setup(inputdev, ideapad_keymap, NULL); | |
694 | if (error) { | |
695 | pr_err("Unable to setup input device keymap\n"); | |
696 | goto err_free_dev; | |
697 | } | |
698 | ||
699 | error = input_register_device(inputdev); | |
700 | if (error) { | |
701 | pr_err("Unable to register input device\n"); | |
c973d4b5 | 702 | goto err_free_dev; |
f63409ae IP |
703 | } |
704 | ||
8693ae84 | 705 | priv->inputdev = inputdev; |
f63409ae IP |
706 | return 0; |
707 | ||
f63409ae IP |
708 | err_free_dev: |
709 | input_free_device(inputdev); | |
710 | return error; | |
711 | } | |
712 | ||
7451a55a | 713 | static void ideapad_input_exit(struct ideapad_private *priv) |
f63409ae | 714 | { |
8693ae84 IP |
715 | input_unregister_device(priv->inputdev); |
716 | priv->inputdev = NULL; | |
f63409ae IP |
717 | } |
718 | ||
8693ae84 IP |
719 | static void ideapad_input_report(struct ideapad_private *priv, |
720 | unsigned long scancode) | |
f63409ae | 721 | { |
8693ae84 | 722 | sparse_keymap_report_event(priv->inputdev, scancode, 1, true); |
f63409ae | 723 | } |
f63409ae | 724 | |
f43d9ec0 IP |
725 | static void ideapad_input_novokey(struct ideapad_private *priv) |
726 | { | |
727 | unsigned long long_pressed; | |
728 | ||
331e0ea2 | 729 | if (read_ec_data(priv->adev->handle, VPCCMD_R_NOVO, &long_pressed)) |
f43d9ec0 IP |
730 | return; |
731 | if (long_pressed) | |
732 | ideapad_input_report(priv, 17); | |
733 | else | |
734 | ideapad_input_report(priv, 16); | |
735 | } | |
736 | ||
296f9fe0 MM |
737 | static void ideapad_check_special_buttons(struct ideapad_private *priv) |
738 | { | |
739 | unsigned long bit, value; | |
740 | ||
331e0ea2 | 741 | read_ec_data(priv->adev->handle, VPCCMD_R_SPECIAL_BUTTONS, &value); |
296f9fe0 MM |
742 | |
743 | for (bit = 0; bit < 16; bit++) { | |
744 | if (test_bit(bit, &value)) { | |
745 | switch (bit) { | |
a1ec56ed MM |
746 | case 0: /* Z580 */ |
747 | case 6: /* Z570 */ | |
296f9fe0 MM |
748 | /* Thermal Management button */ |
749 | ideapad_input_report(priv, 65); | |
750 | break; | |
751 | case 1: | |
752 | /* OneKey Theater button */ | |
753 | ideapad_input_report(priv, 64); | |
754 | break; | |
a1ec56ed MM |
755 | default: |
756 | pr_info("Unknown special button: %lu\n", bit); | |
757 | break; | |
296f9fe0 MM |
758 | } |
759 | } | |
760 | } | |
761 | } | |
762 | ||
a4ecbb8a IP |
763 | /* |
764 | * backlight | |
765 | */ | |
766 | static int ideapad_backlight_get_brightness(struct backlight_device *blightdev) | |
767 | { | |
331e0ea2 | 768 | struct ideapad_private *priv = bl_get_data(blightdev); |
a4ecbb8a IP |
769 | unsigned long now; |
770 | ||
331e0ea2 ZR |
771 | if (!priv) |
772 | return -EINVAL; | |
773 | ||
774 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now)) | |
a4ecbb8a IP |
775 | return -EIO; |
776 | return now; | |
777 | } | |
778 | ||
779 | static int ideapad_backlight_update_status(struct backlight_device *blightdev) | |
780 | { | |
331e0ea2 ZR |
781 | struct ideapad_private *priv = bl_get_data(blightdev); |
782 | ||
783 | if (!priv) | |
784 | return -EINVAL; | |
785 | ||
786 | if (write_ec_cmd(priv->adev->handle, VPCCMD_W_BL, | |
2be1dc21 | 787 | blightdev->props.brightness)) |
a4ecbb8a | 788 | return -EIO; |
331e0ea2 | 789 | if (write_ec_cmd(priv->adev->handle, VPCCMD_W_BL_POWER, |
a4ecbb8a IP |
790 | blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1)) |
791 | return -EIO; | |
792 | ||
793 | return 0; | |
794 | } | |
795 | ||
796 | static const struct backlight_ops ideapad_backlight_ops = { | |
797 | .get_brightness = ideapad_backlight_get_brightness, | |
798 | .update_status = ideapad_backlight_update_status, | |
799 | }; | |
800 | ||
801 | static int ideapad_backlight_init(struct ideapad_private *priv) | |
802 | { | |
803 | struct backlight_device *blightdev; | |
804 | struct backlight_properties props; | |
805 | unsigned long max, now, power; | |
806 | ||
331e0ea2 | 807 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &max)) |
a4ecbb8a | 808 | return -EIO; |
331e0ea2 | 809 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now)) |
a4ecbb8a | 810 | return -EIO; |
331e0ea2 | 811 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) |
a4ecbb8a IP |
812 | return -EIO; |
813 | ||
814 | memset(&props, 0, sizeof(struct backlight_properties)); | |
815 | props.max_brightness = max; | |
816 | props.type = BACKLIGHT_PLATFORM; | |
817 | blightdev = backlight_device_register("ideapad", | |
818 | &priv->platform_device->dev, | |
819 | priv, | |
820 | &ideapad_backlight_ops, | |
821 | &props); | |
822 | if (IS_ERR(blightdev)) { | |
823 | pr_err("Could not register backlight device\n"); | |
824 | return PTR_ERR(blightdev); | |
825 | } | |
826 | ||
827 | priv->blightdev = blightdev; | |
828 | blightdev->props.brightness = now; | |
829 | blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
830 | backlight_update_status(blightdev); | |
831 | ||
832 | return 0; | |
833 | } | |
834 | ||
835 | static void ideapad_backlight_exit(struct ideapad_private *priv) | |
836 | { | |
00981810 | 837 | backlight_device_unregister(priv->blightdev); |
a4ecbb8a IP |
838 | priv->blightdev = NULL; |
839 | } | |
840 | ||
841 | static void ideapad_backlight_notify_power(struct ideapad_private *priv) | |
842 | { | |
843 | unsigned long power; | |
844 | struct backlight_device *blightdev = priv->blightdev; | |
845 | ||
d4afc775 RB |
846 | if (!blightdev) |
847 | return; | |
331e0ea2 | 848 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) |
a4ecbb8a IP |
849 | return; |
850 | blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
851 | } | |
852 | ||
853 | static void ideapad_backlight_notify_brightness(struct ideapad_private *priv) | |
854 | { | |
855 | unsigned long now; | |
856 | ||
857 | /* if we control brightness via acpi video driver */ | |
858 | if (priv->blightdev == NULL) { | |
331e0ea2 | 859 | read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now); |
a4ecbb8a IP |
860 | return; |
861 | } | |
862 | ||
863 | backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY); | |
864 | } | |
865 | ||
a4b5a279 IP |
866 | /* |
867 | * module init/exit | |
868 | */ | |
75a11f11 | 869 | static void ideapad_sync_touchpad_state(struct ideapad_private *priv) |
07a4a4fc | 870 | { |
07a4a4fc MM |
871 | unsigned long value; |
872 | ||
d69cd7ee JY |
873 | if (!priv->has_touchpad_switch) |
874 | return; | |
875 | ||
07a4a4fc | 876 | /* Without reading from EC touchpad LED doesn't switch state */ |
75a11f11 | 877 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) { |
07a4a4fc MM |
878 | /* Some IdeaPads don't really turn off touchpad - they only |
879 | * switch the LED state. We (de)activate KBC AUX port to turn | |
880 | * touchpad off and on. We send KEY_TOUCHPAD_OFF and | |
881 | * KEY_TOUCHPAD_ON to not to get out of sync with LED */ | |
882 | unsigned char param; | |
883 | i8042_command(¶m, value ? I8042_CMD_AUX_ENABLE : | |
884 | I8042_CMD_AUX_DISABLE); | |
885 | ideapad_input_report(priv, value ? 67 : 66); | |
886 | } | |
887 | } | |
888 | ||
b5c37b79 ZR |
889 | static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data) |
890 | { | |
891 | struct ideapad_private *priv = data; | |
892 | unsigned long vpc1, vpc2, vpc_bit; | |
893 | ||
894 | if (read_ec_data(handle, VPCCMD_R_VPC1, &vpc1)) | |
895 | return; | |
896 | if (read_ec_data(handle, VPCCMD_R_VPC2, &vpc2)) | |
897 | return; | |
898 | ||
899 | vpc1 = (vpc2 << 8) | vpc1; | |
900 | for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { | |
901 | if (test_bit(vpc_bit, &vpc1)) { | |
902 | switch (vpc_bit) { | |
903 | case 9: | |
904 | ideapad_sync_rfk_state(priv); | |
905 | break; | |
906 | case 13: | |
907 | case 11: | |
48f67d62 | 908 | case 8: |
b5c37b79 ZR |
909 | case 7: |
910 | case 6: | |
911 | ideapad_input_report(priv, vpc_bit); | |
912 | break; | |
913 | case 5: | |
914 | ideapad_sync_touchpad_state(priv); | |
915 | break; | |
916 | case 4: | |
917 | ideapad_backlight_notify_brightness(priv); | |
918 | break; | |
919 | case 3: | |
920 | ideapad_input_novokey(priv); | |
921 | break; | |
922 | case 2: | |
923 | ideapad_backlight_notify_power(priv); | |
924 | break; | |
925 | case 0: | |
926 | ideapad_check_special_buttons(priv); | |
927 | break; | |
3cfd956b HWT |
928 | case 1: |
929 | /* Some IdeaPads report event 1 every ~20 | |
930 | * seconds while on battery power; some | |
931 | * report this when changing to/from tablet | |
932 | * mode. Squelch this event. | |
933 | */ | |
934 | break; | |
b5c37b79 ZR |
935 | default: |
936 | pr_info("Unknown event: %lu\n", vpc_bit); | |
937 | } | |
938 | } | |
939 | } | |
940 | } | |
941 | ||
74caab99 AB |
942 | #if IS_ENABLED(CONFIG_ACPI_WMI) |
943 | static void ideapad_wmi_notify(u32 value, void *context) | |
944 | { | |
945 | switch (value) { | |
946 | case 128: | |
947 | ideapad_input_report(context, value); | |
948 | break; | |
949 | default: | |
950 | pr_info("Unknown WMI event %u\n", value); | |
951 | } | |
952 | } | |
953 | #endif | |
954 | ||
ce363c2b | 955 | /* |
5105e78e HG |
956 | * Some ideapads have a hardware rfkill switch, but most do not have one. |
957 | * Reading VPCCMD_R_RF always results in 0 on models without a hardware rfkill, | |
958 | * switch causing ideapad_laptop to wrongly report all radios as hw-blocked. | |
959 | * There used to be a long list of DMI ids for models without a hw rfkill | |
960 | * switch here, but that resulted in playing whack a mole. | |
961 | * More importantly wrongly reporting the wifi radio as hw-blocked, results in | |
962 | * non working wifi. Whereas not reporting it hw-blocked, when it actually is | |
963 | * hw-blocked results in an empty SSID list, which is a much more benign | |
964 | * failure mode. | |
965 | * So the default now is the much safer option of assuming there is no | |
966 | * hardware rfkill switch. This default also actually matches most hardware, | |
967 | * since having a hw rfkill switch is quite rare on modern hardware, so this | |
968 | * also leads to a much shorter list. | |
ce363c2b | 969 | */ |
5105e78e | 970 | static const struct dmi_system_id hw_rfkill_list[] = { |
85093f79 HG |
971 | {} |
972 | }; | |
973 | ||
b5c37b79 | 974 | static int ideapad_acpi_add(struct platform_device *pdev) |
58ac7aa0 | 975 | { |
3371f481 | 976 | int ret, i; |
57f9616b | 977 | int cfg; |
ce326329 | 978 | struct ideapad_private *priv; |
b5c37b79 ZR |
979 | struct acpi_device *adev; |
980 | ||
981 | ret = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev); | |
982 | if (ret) | |
983 | return -ENODEV; | |
58ac7aa0 | 984 | |
469f6434 | 985 | if (read_method_int(adev->handle, "_CFG", &cfg)) |
6f8371c0 IP |
986 | return -ENODEV; |
987 | ||
b3facd7b | 988 | priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); |
ce326329 DW |
989 | if (!priv) |
990 | return -ENOMEM; | |
b5c37b79 ZR |
991 | |
992 | dev_set_drvdata(&pdev->dev, priv); | |
3371f481 | 993 | priv->cfg = cfg; |
469f6434 | 994 | priv->adev = adev; |
b5c37b79 | 995 | priv->platform_device = pdev; |
5105e78e | 996 | priv->has_hw_rfkill_switch = dmi_check_system(hw_rfkill_list); |
98ee6919 | 997 | |
d69cd7ee JY |
998 | /* Most ideapads with ELAN0634 touchpad don't use EC touchpad switch */ |
999 | priv->has_touchpad_switch = !acpi_dev_present("ELAN0634", NULL, -1); | |
1000 | ||
b5c37b79 | 1001 | ret = ideapad_sysfs_init(priv); |
98ee6919 | 1002 | if (ret) |
b3facd7b | 1003 | return ret; |
ce326329 | 1004 | |
17f1bf38 | 1005 | ideapad_debugfs_init(priv); |
773e3206 | 1006 | |
8693ae84 | 1007 | ret = ideapad_input_init(priv); |
f63409ae IP |
1008 | if (ret) |
1009 | goto input_failed; | |
1010 | ||
ce363c2b HG |
1011 | /* |
1012 | * On some models without a hw-switch (the yoga 2 13 at least) | |
1013 | * VPCCMD_W_RF must be explicitly set to 1 for the wifi to work. | |
1014 | */ | |
1015 | if (!priv->has_hw_rfkill_switch) | |
1016 | write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1); | |
1017 | ||
d69cd7ee JY |
1018 | /* The same for Touchpad */ |
1019 | if (!priv->has_touchpad_switch) | |
1020 | write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, 1); | |
1021 | ||
ce363c2b HG |
1022 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
1023 | if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg)) | |
1024 | ideapad_register_rfkill(priv, i); | |
1025 | ||
923de84a | 1026 | ideapad_sync_rfk_state(priv); |
75a11f11 | 1027 | ideapad_sync_touchpad_state(priv); |
c9f718d0 | 1028 | |
26bff5f0 | 1029 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
a4ecbb8a IP |
1030 | ret = ideapad_backlight_init(priv); |
1031 | if (ret && ret != -ENODEV) | |
1032 | goto backlight_failed; | |
1033 | } | |
b5c37b79 ZR |
1034 | ret = acpi_install_notify_handler(adev->handle, |
1035 | ACPI_DEVICE_NOTIFY, ideapad_acpi_notify, priv); | |
1036 | if (ret) | |
1037 | goto notification_failed; | |
2d98e0b9 | 1038 | |
74caab99 | 1039 | #if IS_ENABLED(CONFIG_ACPI_WMI) |
2d98e0b9 AB |
1040 | for (i = 0; i < ARRAY_SIZE(ideapad_wmi_fnesc_events); i++) { |
1041 | ret = wmi_install_notify_handler(ideapad_wmi_fnesc_events[i], | |
1042 | ideapad_wmi_notify, priv); | |
1043 | if (ret == AE_OK) { | |
1044 | priv->fnesc_guid = ideapad_wmi_fnesc_events[i]; | |
1045 | break; | |
1046 | } | |
1047 | } | |
74caab99 AB |
1048 | if (ret != AE_OK && ret != AE_NOT_EXIST) |
1049 | goto notification_failed_wmi; | |
1050 | #endif | |
a4ecbb8a | 1051 | |
58ac7aa0 | 1052 | return 0; |
74caab99 AB |
1053 | #if IS_ENABLED(CONFIG_ACPI_WMI) |
1054 | notification_failed_wmi: | |
1055 | acpi_remove_notify_handler(priv->adev->handle, | |
1056 | ACPI_DEVICE_NOTIFY, ideapad_acpi_notify); | |
1057 | #endif | |
b5c37b79 ZR |
1058 | notification_failed: |
1059 | ideapad_backlight_exit(priv); | |
a4ecbb8a IP |
1060 | backlight_failed: |
1061 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) | |
75a11f11 | 1062 | ideapad_unregister_rfkill(priv, i); |
7451a55a | 1063 | ideapad_input_exit(priv); |
f63409ae | 1064 | input_failed: |
773e3206 | 1065 | ideapad_debugfs_exit(priv); |
b5c37b79 | 1066 | ideapad_sysfs_exit(priv); |
98ee6919 | 1067 | return ret; |
58ac7aa0 DW |
1068 | } |
1069 | ||
b5c37b79 | 1070 | static int ideapad_acpi_remove(struct platform_device *pdev) |
58ac7aa0 | 1071 | { |
b5c37b79 | 1072 | struct ideapad_private *priv = dev_get_drvdata(&pdev->dev); |
58ac7aa0 | 1073 | int i; |
ce326329 | 1074 | |
74caab99 | 1075 | #if IS_ENABLED(CONFIG_ACPI_WMI) |
2d98e0b9 AB |
1076 | if (priv->fnesc_guid) |
1077 | wmi_remove_notify_handler(priv->fnesc_guid); | |
74caab99 | 1078 | #endif |
b5c37b79 ZR |
1079 | acpi_remove_notify_handler(priv->adev->handle, |
1080 | ACPI_DEVICE_NOTIFY, ideapad_acpi_notify); | |
a4ecbb8a | 1081 | ideapad_backlight_exit(priv); |
c1f73658 | 1082 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
75a11f11 | 1083 | ideapad_unregister_rfkill(priv, i); |
8693ae84 | 1084 | ideapad_input_exit(priv); |
773e3206 | 1085 | ideapad_debugfs_exit(priv); |
b5c37b79 ZR |
1086 | ideapad_sysfs_exit(priv); |
1087 | dev_set_drvdata(&pdev->dev, NULL); | |
c9f718d0 | 1088 | |
58ac7aa0 DW |
1089 | return 0; |
1090 | } | |
1091 | ||
11fa8da5 | 1092 | #ifdef CONFIG_PM_SLEEP |
07a4a4fc MM |
1093 | static int ideapad_acpi_resume(struct device *device) |
1094 | { | |
75a11f11 ZR |
1095 | struct ideapad_private *priv; |
1096 | ||
1097 | if (!device) | |
1098 | return -EINVAL; | |
1099 | priv = dev_get_drvdata(device); | |
1100 | ||
1101 | ideapad_sync_rfk_state(priv); | |
1102 | ideapad_sync_touchpad_state(priv); | |
07a4a4fc MM |
1103 | return 0; |
1104 | } | |
11fa8da5 | 1105 | #endif |
b5c37b79 | 1106 | static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume); |
07a4a4fc | 1107 | |
b5c37b79 ZR |
1108 | static const struct acpi_device_id ideapad_device_ids[] = { |
1109 | { "VPC2004", 0}, | |
1110 | { "", 0}, | |
58ac7aa0 | 1111 | }; |
b5c37b79 ZR |
1112 | MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); |
1113 | ||
1114 | static struct platform_driver ideapad_acpi_driver = { | |
1115 | .probe = ideapad_acpi_add, | |
1116 | .remove = ideapad_acpi_remove, | |
1117 | .driver = { | |
1118 | .name = "ideapad_acpi", | |
b5c37b79 ZR |
1119 | .pm = &ideapad_pm, |
1120 | .acpi_match_table = ACPI_PTR(ideapad_device_ids), | |
1121 | }, | |
1122 | }; | |
1123 | ||
1124 | module_platform_driver(ideapad_acpi_driver); | |
58ac7aa0 DW |
1125 | |
1126 | MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); | |
1127 | MODULE_DESCRIPTION("IdeaPad ACPI Extras"); | |
1128 | MODULE_LICENSE("GPL"); |