Commit | Line | Data |
---|---|---|
58ac7aa0 | 1 | /* |
a4b5a279 | 2 | * ideapad-laptop.c - Lenovo IdeaPad ACPI Extras |
58ac7aa0 DW |
3 | * |
4 | * Copyright © 2010 Intel Corporation | |
5 | * Copyright © 2010 David Woodhouse <dwmw2@infradead.org> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | */ | |
22 | ||
9ab23989 JP |
23 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
24 | ||
58ac7aa0 DW |
25 | #include <linux/kernel.h> |
26 | #include <linux/module.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/types.h> | |
8b48463f | 29 | #include <linux/acpi.h> |
58ac7aa0 | 30 | #include <linux/rfkill.h> |
98ee6919 | 31 | #include <linux/platform_device.h> |
f63409ae IP |
32 | #include <linux/input.h> |
33 | #include <linux/input/sparse-keymap.h> | |
a4ecbb8a IP |
34 | #include <linux/backlight.h> |
35 | #include <linux/fb.h> | |
773e3206 IP |
36 | #include <linux/debugfs.h> |
37 | #include <linux/seq_file.h> | |
07a4a4fc | 38 | #include <linux/i8042.h> |
85093f79 | 39 | #include <linux/dmi.h> |
b3facd7b | 40 | #include <linux/device.h> |
26bff5f0 | 41 | #include <acpi/video.h> |
58ac7aa0 | 42 | |
c1f73658 | 43 | #define IDEAPAD_RFKILL_DEV_NUM (3) |
58ac7aa0 | 44 | |
3371f481 IP |
45 | #define CFG_BT_BIT (16) |
46 | #define CFG_3G_BIT (17) | |
47 | #define CFG_WIFI_BIT (18) | |
a84511f7 | 48 | #define CFG_CAMERA_BIT (19) |
3371f481 | 49 | |
2be1dc21 IP |
50 | enum { |
51 | VPCCMD_R_VPC1 = 0x10, | |
52 | VPCCMD_R_BL_MAX, | |
53 | VPCCMD_R_BL, | |
54 | VPCCMD_W_BL, | |
55 | VPCCMD_R_WIFI, | |
56 | VPCCMD_W_WIFI, | |
57 | VPCCMD_R_BT, | |
58 | VPCCMD_W_BT, | |
59 | VPCCMD_R_BL_POWER, | |
60 | VPCCMD_R_NOVO, | |
61 | VPCCMD_R_VPC2, | |
62 | VPCCMD_R_TOUCHPAD, | |
63 | VPCCMD_W_TOUCHPAD, | |
64 | VPCCMD_R_CAMERA, | |
65 | VPCCMD_W_CAMERA, | |
66 | VPCCMD_R_3G, | |
67 | VPCCMD_W_3G, | |
68 | VPCCMD_R_ODD, /* 0x21 */ | |
0c7bbeb9 MM |
69 | VPCCMD_W_FAN, |
70 | VPCCMD_R_RF, | |
2be1dc21 | 71 | VPCCMD_W_RF, |
0c7bbeb9 | 72 | VPCCMD_R_FAN = 0x2B, |
296f9fe0 | 73 | VPCCMD_R_SPECIAL_BUTTONS = 0x31, |
2be1dc21 IP |
74 | VPCCMD_W_BL_POWER = 0x33, |
75 | }; | |
76 | ||
331e0ea2 ZR |
77 | struct ideapad_rfk_priv { |
78 | int dev; | |
79 | struct ideapad_private *priv; | |
80 | }; | |
81 | ||
ce326329 | 82 | struct ideapad_private { |
469f6434 | 83 | struct acpi_device *adev; |
c1f73658 | 84 | struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM]; |
331e0ea2 | 85 | struct ideapad_rfk_priv rfk_priv[IDEAPAD_RFKILL_DEV_NUM]; |
98ee6919 | 86 | struct platform_device *platform_device; |
f63409ae | 87 | struct input_dev *inputdev; |
a4ecbb8a | 88 | struct backlight_device *blightdev; |
773e3206 | 89 | struct dentry *debug; |
3371f481 | 90 | unsigned long cfg; |
ce363c2b | 91 | bool has_hw_rfkill_switch; |
58ac7aa0 DW |
92 | }; |
93 | ||
bfa97b7d IP |
94 | static bool no_bt_rfkill; |
95 | module_param(no_bt_rfkill, bool, 0444); | |
96 | MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); | |
97 | ||
6a09f21d IP |
98 | /* |
99 | * ACPI Helpers | |
100 | */ | |
101 | #define IDEAPAD_EC_TIMEOUT (100) /* in ms */ | |
102 | ||
103 | static int read_method_int(acpi_handle handle, const char *method, int *val) | |
104 | { | |
105 | acpi_status status; | |
106 | unsigned long long result; | |
107 | ||
108 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
109 | if (ACPI_FAILURE(status)) { | |
110 | *val = -1; | |
111 | return -1; | |
112 | } else { | |
113 | *val = result; | |
114 | return 0; | |
115 | } | |
116 | } | |
117 | ||
118 | static int method_vpcr(acpi_handle handle, int cmd, int *ret) | |
119 | { | |
120 | acpi_status status; | |
121 | unsigned long long result; | |
122 | struct acpi_object_list params; | |
123 | union acpi_object in_obj; | |
124 | ||
125 | params.count = 1; | |
126 | params.pointer = &in_obj; | |
127 | in_obj.type = ACPI_TYPE_INTEGER; | |
128 | in_obj.integer.value = cmd; | |
129 | ||
130 | status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result); | |
131 | ||
132 | if (ACPI_FAILURE(status)) { | |
133 | *ret = -1; | |
134 | return -1; | |
135 | } else { | |
136 | *ret = result; | |
137 | return 0; | |
138 | } | |
139 | } | |
140 | ||
141 | static int method_vpcw(acpi_handle handle, int cmd, int data) | |
142 | { | |
143 | struct acpi_object_list params; | |
144 | union acpi_object in_obj[2]; | |
145 | acpi_status status; | |
146 | ||
147 | params.count = 2; | |
148 | params.pointer = in_obj; | |
149 | in_obj[0].type = ACPI_TYPE_INTEGER; | |
150 | in_obj[0].integer.value = cmd; | |
151 | in_obj[1].type = ACPI_TYPE_INTEGER; | |
152 | in_obj[1].integer.value = data; | |
153 | ||
154 | status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); | |
155 | if (status != AE_OK) | |
156 | return -1; | |
157 | return 0; | |
158 | } | |
159 | ||
160 | static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data) | |
161 | { | |
162 | int val; | |
163 | unsigned long int end_jiffies; | |
164 | ||
165 | if (method_vpcw(handle, 1, cmd)) | |
166 | return -1; | |
167 | ||
168 | for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; | |
169 | time_before(jiffies, end_jiffies);) { | |
170 | schedule(); | |
171 | if (method_vpcr(handle, 1, &val)) | |
172 | return -1; | |
173 | if (val == 0) { | |
174 | if (method_vpcr(handle, 0, &val)) | |
175 | return -1; | |
176 | *data = val; | |
177 | return 0; | |
178 | } | |
179 | } | |
180 | pr_err("timeout in read_ec_cmd\n"); | |
181 | return -1; | |
182 | } | |
183 | ||
184 | static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) | |
185 | { | |
186 | int val; | |
187 | unsigned long int end_jiffies; | |
188 | ||
189 | if (method_vpcw(handle, 0, data)) | |
190 | return -1; | |
191 | if (method_vpcw(handle, 1, cmd)) | |
192 | return -1; | |
193 | ||
194 | for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; | |
195 | time_before(jiffies, end_jiffies);) { | |
196 | schedule(); | |
197 | if (method_vpcr(handle, 1, &val)) | |
198 | return -1; | |
199 | if (val == 0) | |
200 | return 0; | |
201 | } | |
202 | pr_err("timeout in write_ec_cmd\n"); | |
203 | return -1; | |
204 | } | |
6a09f21d | 205 | |
773e3206 IP |
206 | /* |
207 | * debugfs | |
208 | */ | |
773e3206 IP |
209 | static int debugfs_status_show(struct seq_file *s, void *data) |
210 | { | |
331e0ea2 | 211 | struct ideapad_private *priv = s->private; |
773e3206 IP |
212 | unsigned long value; |
213 | ||
331e0ea2 ZR |
214 | if (!priv) |
215 | return -EINVAL; | |
216 | ||
217 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &value)) | |
773e3206 | 218 | seq_printf(s, "Backlight max:\t%lu\n", value); |
331e0ea2 | 219 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL, &value)) |
773e3206 | 220 | seq_printf(s, "Backlight now:\t%lu\n", value); |
331e0ea2 | 221 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &value)) |
773e3206 IP |
222 | seq_printf(s, "BL power value:\t%s\n", value ? "On" : "Off"); |
223 | seq_printf(s, "=====================\n"); | |
224 | ||
331e0ea2 | 225 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_RF, &value)) |
773e3206 IP |
226 | seq_printf(s, "Radio status:\t%s(%lu)\n", |
227 | value ? "On" : "Off", value); | |
331e0ea2 | 228 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_WIFI, &value)) |
773e3206 IP |
229 | seq_printf(s, "Wifi status:\t%s(%lu)\n", |
230 | value ? "On" : "Off", value); | |
331e0ea2 | 231 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_BT, &value)) |
773e3206 IP |
232 | seq_printf(s, "BT status:\t%s(%lu)\n", |
233 | value ? "On" : "Off", value); | |
331e0ea2 | 234 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_3G, &value)) |
773e3206 IP |
235 | seq_printf(s, "3G status:\t%s(%lu)\n", |
236 | value ? "On" : "Off", value); | |
237 | seq_printf(s, "=====================\n"); | |
238 | ||
331e0ea2 | 239 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) |
773e3206 IP |
240 | seq_printf(s, "Touchpad status:%s(%lu)\n", |
241 | value ? "On" : "Off", value); | |
331e0ea2 | 242 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &value)) |
773e3206 IP |
243 | seq_printf(s, "Camera status:\t%s(%lu)\n", |
244 | value ? "On" : "Off", value); | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
249 | static int debugfs_status_open(struct inode *inode, struct file *file) | |
250 | { | |
331e0ea2 | 251 | return single_open(file, debugfs_status_show, inode->i_private); |
773e3206 IP |
252 | } |
253 | ||
254 | static const struct file_operations debugfs_status_fops = { | |
255 | .owner = THIS_MODULE, | |
256 | .open = debugfs_status_open, | |
257 | .read = seq_read, | |
258 | .llseek = seq_lseek, | |
259 | .release = single_release, | |
260 | }; | |
261 | ||
262 | static int debugfs_cfg_show(struct seq_file *s, void *data) | |
263 | { | |
331e0ea2 ZR |
264 | struct ideapad_private *priv = s->private; |
265 | ||
266 | if (!priv) { | |
773e3206 IP |
267 | seq_printf(s, "cfg: N/A\n"); |
268 | } else { | |
269 | seq_printf(s, "cfg: 0x%.8lX\n\nCapability: ", | |
331e0ea2 ZR |
270 | priv->cfg); |
271 | if (test_bit(CFG_BT_BIT, &priv->cfg)) | |
773e3206 | 272 | seq_printf(s, "Bluetooth "); |
331e0ea2 | 273 | if (test_bit(CFG_3G_BIT, &priv->cfg)) |
773e3206 | 274 | seq_printf(s, "3G "); |
331e0ea2 | 275 | if (test_bit(CFG_WIFI_BIT, &priv->cfg)) |
773e3206 | 276 | seq_printf(s, "Wireless "); |
331e0ea2 | 277 | if (test_bit(CFG_CAMERA_BIT, &priv->cfg)) |
773e3206 IP |
278 | seq_printf(s, "Camera "); |
279 | seq_printf(s, "\nGraphic: "); | |
331e0ea2 | 280 | switch ((priv->cfg)&0x700) { |
773e3206 IP |
281 | case 0x100: |
282 | seq_printf(s, "Intel"); | |
283 | break; | |
284 | case 0x200: | |
285 | seq_printf(s, "ATI"); | |
286 | break; | |
287 | case 0x300: | |
288 | seq_printf(s, "Nvidia"); | |
289 | break; | |
290 | case 0x400: | |
291 | seq_printf(s, "Intel and ATI"); | |
292 | break; | |
293 | case 0x500: | |
294 | seq_printf(s, "Intel and Nvidia"); | |
295 | break; | |
296 | } | |
297 | seq_printf(s, "\n"); | |
298 | } | |
299 | return 0; | |
300 | } | |
301 | ||
302 | static int debugfs_cfg_open(struct inode *inode, struct file *file) | |
303 | { | |
331e0ea2 | 304 | return single_open(file, debugfs_cfg_show, inode->i_private); |
773e3206 IP |
305 | } |
306 | ||
307 | static const struct file_operations debugfs_cfg_fops = { | |
308 | .owner = THIS_MODULE, | |
309 | .open = debugfs_cfg_open, | |
310 | .read = seq_read, | |
311 | .llseek = seq_lseek, | |
312 | .release = single_release, | |
313 | }; | |
314 | ||
b859f159 | 315 | static int ideapad_debugfs_init(struct ideapad_private *priv) |
773e3206 IP |
316 | { |
317 | struct dentry *node; | |
318 | ||
319 | priv->debug = debugfs_create_dir("ideapad", NULL); | |
320 | if (priv->debug == NULL) { | |
321 | pr_err("failed to create debugfs directory"); | |
322 | goto errout; | |
323 | } | |
324 | ||
331e0ea2 | 325 | node = debugfs_create_file("cfg", S_IRUGO, priv->debug, priv, |
773e3206 IP |
326 | &debugfs_cfg_fops); |
327 | if (!node) { | |
328 | pr_err("failed to create cfg in debugfs"); | |
329 | goto errout; | |
330 | } | |
331 | ||
331e0ea2 | 332 | node = debugfs_create_file("status", S_IRUGO, priv->debug, priv, |
773e3206 IP |
333 | &debugfs_status_fops); |
334 | if (!node) { | |
a5c3892f | 335 | pr_err("failed to create status in debugfs"); |
773e3206 IP |
336 | goto errout; |
337 | } | |
338 | ||
339 | return 0; | |
340 | ||
341 | errout: | |
342 | return -ENOMEM; | |
343 | } | |
344 | ||
345 | static void ideapad_debugfs_exit(struct ideapad_private *priv) | |
346 | { | |
347 | debugfs_remove_recursive(priv->debug); | |
348 | priv->debug = NULL; | |
349 | } | |
350 | ||
a4b5a279 | 351 | /* |
3371f481 | 352 | * sysfs |
a4b5a279 | 353 | */ |
58ac7aa0 DW |
354 | static ssize_t show_ideapad_cam(struct device *dev, |
355 | struct device_attribute *attr, | |
356 | char *buf) | |
357 | { | |
26c81d5c | 358 | unsigned long result; |
331e0ea2 | 359 | struct ideapad_private *priv = dev_get_drvdata(dev); |
58ac7aa0 | 360 | |
331e0ea2 | 361 | if (read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &result)) |
26c81d5c IP |
362 | return sprintf(buf, "-1\n"); |
363 | return sprintf(buf, "%lu\n", result); | |
58ac7aa0 DW |
364 | } |
365 | ||
366 | static ssize_t store_ideapad_cam(struct device *dev, | |
367 | struct device_attribute *attr, | |
368 | const char *buf, size_t count) | |
369 | { | |
370 | int ret, state; | |
331e0ea2 | 371 | struct ideapad_private *priv = dev_get_drvdata(dev); |
58ac7aa0 DW |
372 | |
373 | if (!count) | |
374 | return 0; | |
375 | if (sscanf(buf, "%i", &state) != 1) | |
376 | return -EINVAL; | |
331e0ea2 | 377 | ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_CAMERA, state); |
58ac7aa0 | 378 | if (ret < 0) |
0c7bbeb9 | 379 | return -EIO; |
58ac7aa0 DW |
380 | return count; |
381 | } | |
382 | ||
383 | static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); | |
384 | ||
0c7bbeb9 MM |
385 | static ssize_t show_ideapad_fan(struct device *dev, |
386 | struct device_attribute *attr, | |
387 | char *buf) | |
388 | { | |
389 | unsigned long result; | |
331e0ea2 | 390 | struct ideapad_private *priv = dev_get_drvdata(dev); |
0c7bbeb9 | 391 | |
331e0ea2 | 392 | if (read_ec_data(priv->adev->handle, VPCCMD_R_FAN, &result)) |
0c7bbeb9 MM |
393 | return sprintf(buf, "-1\n"); |
394 | return sprintf(buf, "%lu\n", result); | |
395 | } | |
396 | ||
397 | static ssize_t store_ideapad_fan(struct device *dev, | |
398 | struct device_attribute *attr, | |
399 | const char *buf, size_t count) | |
400 | { | |
401 | int ret, state; | |
331e0ea2 | 402 | struct ideapad_private *priv = dev_get_drvdata(dev); |
0c7bbeb9 MM |
403 | |
404 | if (!count) | |
405 | return 0; | |
406 | if (sscanf(buf, "%i", &state) != 1) | |
407 | return -EINVAL; | |
408 | if (state < 0 || state > 4 || state == 3) | |
409 | return -EINVAL; | |
331e0ea2 | 410 | ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_FAN, state); |
0c7bbeb9 MM |
411 | if (ret < 0) |
412 | return -EIO; | |
413 | return count; | |
414 | } | |
415 | ||
416 | static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan); | |
417 | ||
3371f481 IP |
418 | static struct attribute *ideapad_attributes[] = { |
419 | &dev_attr_camera_power.attr, | |
0c7bbeb9 | 420 | &dev_attr_fan_mode.attr, |
3371f481 IP |
421 | NULL |
422 | }; | |
423 | ||
587a1f16 | 424 | static umode_t ideapad_is_visible(struct kobject *kobj, |
a84511f7 IP |
425 | struct attribute *attr, |
426 | int idx) | |
427 | { | |
428 | struct device *dev = container_of(kobj, struct device, kobj); | |
429 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
430 | bool supported; | |
431 | ||
432 | if (attr == &dev_attr_camera_power.attr) | |
433 | supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); | |
0c7bbeb9 MM |
434 | else if (attr == &dev_attr_fan_mode.attr) { |
435 | unsigned long value; | |
331e0ea2 ZR |
436 | supported = !read_ec_data(priv->adev->handle, VPCCMD_R_FAN, |
437 | &value); | |
0c7bbeb9 | 438 | } else |
a84511f7 IP |
439 | supported = true; |
440 | ||
441 | return supported ? attr->mode : 0; | |
442 | } | |
443 | ||
49458e83 | 444 | static const struct attribute_group ideapad_attribute_group = { |
a84511f7 | 445 | .is_visible = ideapad_is_visible, |
3371f481 IP |
446 | .attrs = ideapad_attributes |
447 | }; | |
448 | ||
a4b5a279 IP |
449 | /* |
450 | * Rfkill | |
451 | */ | |
c1f73658 IP |
452 | struct ideapad_rfk_data { |
453 | char *name; | |
454 | int cfgbit; | |
455 | int opcode; | |
456 | int type; | |
457 | }; | |
458 | ||
b3d94d70 | 459 | static const struct ideapad_rfk_data ideapad_rfk_data[] = { |
2be1dc21 IP |
460 | { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN }, |
461 | { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH }, | |
462 | { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN }, | |
c1f73658 IP |
463 | }; |
464 | ||
58ac7aa0 DW |
465 | static int ideapad_rfk_set(void *data, bool blocked) |
466 | { | |
331e0ea2 | 467 | struct ideapad_rfk_priv *priv = data; |
fa08359e | 468 | |
331e0ea2 | 469 | return write_ec_cmd(priv->priv->adev->handle, priv->dev, !blocked); |
58ac7aa0 DW |
470 | } |
471 | ||
472 | static struct rfkill_ops ideapad_rfk_ops = { | |
473 | .set_block = ideapad_rfk_set, | |
474 | }; | |
475 | ||
923de84a | 476 | static void ideapad_sync_rfk_state(struct ideapad_private *priv) |
58ac7aa0 | 477 | { |
ce363c2b | 478 | unsigned long hw_blocked = 0; |
58ac7aa0 DW |
479 | int i; |
480 | ||
ce363c2b HG |
481 | if (priv->has_hw_rfkill_switch) { |
482 | if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked)) | |
483 | return; | |
484 | hw_blocked = !hw_blocked; | |
485 | } | |
58ac7aa0 | 486 | |
c1f73658 | 487 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
ce326329 | 488 | if (priv->rfk[i]) |
2b7266bd | 489 | rfkill_set_hw_state(priv->rfk[i], hw_blocked); |
58ac7aa0 DW |
490 | } |
491 | ||
75a11f11 | 492 | static int ideapad_register_rfkill(struct ideapad_private *priv, int dev) |
58ac7aa0 DW |
493 | { |
494 | int ret; | |
2b7266bd | 495 | unsigned long sw_blocked; |
58ac7aa0 | 496 | |
bfa97b7d IP |
497 | if (no_bt_rfkill && |
498 | (ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) { | |
499 | /* Force to enable bluetooth when no_bt_rfkill=1 */ | |
331e0ea2 | 500 | write_ec_cmd(priv->adev->handle, |
bfa97b7d IP |
501 | ideapad_rfk_data[dev].opcode, 1); |
502 | return 0; | |
503 | } | |
331e0ea2 ZR |
504 | priv->rfk_priv[dev].dev = dev; |
505 | priv->rfk_priv[dev].priv = priv; | |
bfa97b7d | 506 | |
75a11f11 | 507 | priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, |
b5c37b79 | 508 | &priv->platform_device->dev, |
75a11f11 ZR |
509 | ideapad_rfk_data[dev].type, |
510 | &ideapad_rfk_ops, | |
331e0ea2 | 511 | &priv->rfk_priv[dev]); |
ce326329 | 512 | if (!priv->rfk[dev]) |
58ac7aa0 DW |
513 | return -ENOMEM; |
514 | ||
331e0ea2 | 515 | if (read_ec_data(priv->adev->handle, ideapad_rfk_data[dev].opcode-1, |
2b7266bd IP |
516 | &sw_blocked)) { |
517 | rfkill_init_sw_state(priv->rfk[dev], 0); | |
518 | } else { | |
519 | sw_blocked = !sw_blocked; | |
520 | rfkill_init_sw_state(priv->rfk[dev], sw_blocked); | |
521 | } | |
522 | ||
ce326329 | 523 | ret = rfkill_register(priv->rfk[dev]); |
58ac7aa0 | 524 | if (ret) { |
ce326329 | 525 | rfkill_destroy(priv->rfk[dev]); |
58ac7aa0 DW |
526 | return ret; |
527 | } | |
528 | return 0; | |
529 | } | |
530 | ||
75a11f11 | 531 | static void ideapad_unregister_rfkill(struct ideapad_private *priv, int dev) |
58ac7aa0 | 532 | { |
ce326329 | 533 | if (!priv->rfk[dev]) |
58ac7aa0 DW |
534 | return; |
535 | ||
ce326329 DW |
536 | rfkill_unregister(priv->rfk[dev]); |
537 | rfkill_destroy(priv->rfk[dev]); | |
58ac7aa0 DW |
538 | } |
539 | ||
98ee6919 IP |
540 | /* |
541 | * Platform device | |
542 | */ | |
b5c37b79 | 543 | static int ideapad_sysfs_init(struct ideapad_private *priv) |
98ee6919 | 544 | { |
b5c37b79 | 545 | return sysfs_create_group(&priv->platform_device->dev.kobj, |
c9f718d0 | 546 | &ideapad_attribute_group); |
98ee6919 IP |
547 | } |
548 | ||
b5c37b79 | 549 | static void ideapad_sysfs_exit(struct ideapad_private *priv) |
98ee6919 | 550 | { |
8693ae84 | 551 | sysfs_remove_group(&priv->platform_device->dev.kobj, |
c9f718d0 | 552 | &ideapad_attribute_group); |
98ee6919 | 553 | } |
98ee6919 | 554 | |
f63409ae IP |
555 | /* |
556 | * input device | |
557 | */ | |
558 | static const struct key_entry ideapad_keymap[] = { | |
f43d9ec0 | 559 | { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } }, |
296f9fe0 MM |
560 | { KE_KEY, 7, { KEY_CAMERA } }, |
561 | { KE_KEY, 11, { KEY_F16 } }, | |
f43d9ec0 IP |
562 | { KE_KEY, 13, { KEY_WLAN } }, |
563 | { KE_KEY, 16, { KEY_PROG1 } }, | |
564 | { KE_KEY, 17, { KEY_PROG2 } }, | |
296f9fe0 MM |
565 | { KE_KEY, 64, { KEY_PROG3 } }, |
566 | { KE_KEY, 65, { KEY_PROG4 } }, | |
07a4a4fc MM |
567 | { KE_KEY, 66, { KEY_TOUCHPAD_OFF } }, |
568 | { KE_KEY, 67, { KEY_TOUCHPAD_ON } }, | |
f63409ae IP |
569 | { KE_END, 0 }, |
570 | }; | |
571 | ||
b859f159 | 572 | static int ideapad_input_init(struct ideapad_private *priv) |
f63409ae IP |
573 | { |
574 | struct input_dev *inputdev; | |
575 | int error; | |
576 | ||
577 | inputdev = input_allocate_device(); | |
b222cca6 | 578 | if (!inputdev) |
f63409ae | 579 | return -ENOMEM; |
f63409ae IP |
580 | |
581 | inputdev->name = "Ideapad extra buttons"; | |
582 | inputdev->phys = "ideapad/input0"; | |
583 | inputdev->id.bustype = BUS_HOST; | |
8693ae84 | 584 | inputdev->dev.parent = &priv->platform_device->dev; |
f63409ae IP |
585 | |
586 | error = sparse_keymap_setup(inputdev, ideapad_keymap, NULL); | |
587 | if (error) { | |
588 | pr_err("Unable to setup input device keymap\n"); | |
589 | goto err_free_dev; | |
590 | } | |
591 | ||
592 | error = input_register_device(inputdev); | |
593 | if (error) { | |
594 | pr_err("Unable to register input device\n"); | |
595 | goto err_free_keymap; | |
596 | } | |
597 | ||
8693ae84 | 598 | priv->inputdev = inputdev; |
f63409ae IP |
599 | return 0; |
600 | ||
601 | err_free_keymap: | |
602 | sparse_keymap_free(inputdev); | |
603 | err_free_dev: | |
604 | input_free_device(inputdev); | |
605 | return error; | |
606 | } | |
607 | ||
7451a55a | 608 | static void ideapad_input_exit(struct ideapad_private *priv) |
f63409ae | 609 | { |
8693ae84 IP |
610 | sparse_keymap_free(priv->inputdev); |
611 | input_unregister_device(priv->inputdev); | |
612 | priv->inputdev = NULL; | |
f63409ae IP |
613 | } |
614 | ||
8693ae84 IP |
615 | static void ideapad_input_report(struct ideapad_private *priv, |
616 | unsigned long scancode) | |
f63409ae | 617 | { |
8693ae84 | 618 | sparse_keymap_report_event(priv->inputdev, scancode, 1, true); |
f63409ae | 619 | } |
f63409ae | 620 | |
f43d9ec0 IP |
621 | static void ideapad_input_novokey(struct ideapad_private *priv) |
622 | { | |
623 | unsigned long long_pressed; | |
624 | ||
331e0ea2 | 625 | if (read_ec_data(priv->adev->handle, VPCCMD_R_NOVO, &long_pressed)) |
f43d9ec0 IP |
626 | return; |
627 | if (long_pressed) | |
628 | ideapad_input_report(priv, 17); | |
629 | else | |
630 | ideapad_input_report(priv, 16); | |
631 | } | |
632 | ||
296f9fe0 MM |
633 | static void ideapad_check_special_buttons(struct ideapad_private *priv) |
634 | { | |
635 | unsigned long bit, value; | |
636 | ||
331e0ea2 | 637 | read_ec_data(priv->adev->handle, VPCCMD_R_SPECIAL_BUTTONS, &value); |
296f9fe0 MM |
638 | |
639 | for (bit = 0; bit < 16; bit++) { | |
640 | if (test_bit(bit, &value)) { | |
641 | switch (bit) { | |
a1ec56ed MM |
642 | case 0: /* Z580 */ |
643 | case 6: /* Z570 */ | |
296f9fe0 MM |
644 | /* Thermal Management button */ |
645 | ideapad_input_report(priv, 65); | |
646 | break; | |
647 | case 1: | |
648 | /* OneKey Theater button */ | |
649 | ideapad_input_report(priv, 64); | |
650 | break; | |
a1ec56ed MM |
651 | default: |
652 | pr_info("Unknown special button: %lu\n", bit); | |
653 | break; | |
296f9fe0 MM |
654 | } |
655 | } | |
656 | } | |
657 | } | |
658 | ||
a4ecbb8a IP |
659 | /* |
660 | * backlight | |
661 | */ | |
662 | static int ideapad_backlight_get_brightness(struct backlight_device *blightdev) | |
663 | { | |
331e0ea2 | 664 | struct ideapad_private *priv = bl_get_data(blightdev); |
a4ecbb8a IP |
665 | unsigned long now; |
666 | ||
331e0ea2 ZR |
667 | if (!priv) |
668 | return -EINVAL; | |
669 | ||
670 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now)) | |
a4ecbb8a IP |
671 | return -EIO; |
672 | return now; | |
673 | } | |
674 | ||
675 | static int ideapad_backlight_update_status(struct backlight_device *blightdev) | |
676 | { | |
331e0ea2 ZR |
677 | struct ideapad_private *priv = bl_get_data(blightdev); |
678 | ||
679 | if (!priv) | |
680 | return -EINVAL; | |
681 | ||
682 | if (write_ec_cmd(priv->adev->handle, VPCCMD_W_BL, | |
2be1dc21 | 683 | blightdev->props.brightness)) |
a4ecbb8a | 684 | return -EIO; |
331e0ea2 | 685 | if (write_ec_cmd(priv->adev->handle, VPCCMD_W_BL_POWER, |
a4ecbb8a IP |
686 | blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1)) |
687 | return -EIO; | |
688 | ||
689 | return 0; | |
690 | } | |
691 | ||
692 | static const struct backlight_ops ideapad_backlight_ops = { | |
693 | .get_brightness = ideapad_backlight_get_brightness, | |
694 | .update_status = ideapad_backlight_update_status, | |
695 | }; | |
696 | ||
697 | static int ideapad_backlight_init(struct ideapad_private *priv) | |
698 | { | |
699 | struct backlight_device *blightdev; | |
700 | struct backlight_properties props; | |
701 | unsigned long max, now, power; | |
702 | ||
331e0ea2 | 703 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &max)) |
a4ecbb8a | 704 | return -EIO; |
331e0ea2 | 705 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now)) |
a4ecbb8a | 706 | return -EIO; |
331e0ea2 | 707 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) |
a4ecbb8a IP |
708 | return -EIO; |
709 | ||
710 | memset(&props, 0, sizeof(struct backlight_properties)); | |
711 | props.max_brightness = max; | |
712 | props.type = BACKLIGHT_PLATFORM; | |
713 | blightdev = backlight_device_register("ideapad", | |
714 | &priv->platform_device->dev, | |
715 | priv, | |
716 | &ideapad_backlight_ops, | |
717 | &props); | |
718 | if (IS_ERR(blightdev)) { | |
719 | pr_err("Could not register backlight device\n"); | |
720 | return PTR_ERR(blightdev); | |
721 | } | |
722 | ||
723 | priv->blightdev = blightdev; | |
724 | blightdev->props.brightness = now; | |
725 | blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
726 | backlight_update_status(blightdev); | |
727 | ||
728 | return 0; | |
729 | } | |
730 | ||
731 | static void ideapad_backlight_exit(struct ideapad_private *priv) | |
732 | { | |
00981810 | 733 | backlight_device_unregister(priv->blightdev); |
a4ecbb8a IP |
734 | priv->blightdev = NULL; |
735 | } | |
736 | ||
737 | static void ideapad_backlight_notify_power(struct ideapad_private *priv) | |
738 | { | |
739 | unsigned long power; | |
740 | struct backlight_device *blightdev = priv->blightdev; | |
741 | ||
d4afc775 RB |
742 | if (!blightdev) |
743 | return; | |
331e0ea2 | 744 | if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) |
a4ecbb8a IP |
745 | return; |
746 | blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
747 | } | |
748 | ||
749 | static void ideapad_backlight_notify_brightness(struct ideapad_private *priv) | |
750 | { | |
751 | unsigned long now; | |
752 | ||
753 | /* if we control brightness via acpi video driver */ | |
754 | if (priv->blightdev == NULL) { | |
331e0ea2 | 755 | read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now); |
a4ecbb8a IP |
756 | return; |
757 | } | |
758 | ||
759 | backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY); | |
760 | } | |
761 | ||
a4b5a279 IP |
762 | /* |
763 | * module init/exit | |
764 | */ | |
75a11f11 | 765 | static void ideapad_sync_touchpad_state(struct ideapad_private *priv) |
07a4a4fc | 766 | { |
07a4a4fc MM |
767 | unsigned long value; |
768 | ||
769 | /* Without reading from EC touchpad LED doesn't switch state */ | |
75a11f11 | 770 | if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) { |
07a4a4fc MM |
771 | /* Some IdeaPads don't really turn off touchpad - they only |
772 | * switch the LED state. We (de)activate KBC AUX port to turn | |
773 | * touchpad off and on. We send KEY_TOUCHPAD_OFF and | |
774 | * KEY_TOUCHPAD_ON to not to get out of sync with LED */ | |
775 | unsigned char param; | |
776 | i8042_command(¶m, value ? I8042_CMD_AUX_ENABLE : | |
777 | I8042_CMD_AUX_DISABLE); | |
778 | ideapad_input_report(priv, value ? 67 : 66); | |
779 | } | |
780 | } | |
781 | ||
b5c37b79 ZR |
782 | static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data) |
783 | { | |
784 | struct ideapad_private *priv = data; | |
785 | unsigned long vpc1, vpc2, vpc_bit; | |
786 | ||
787 | if (read_ec_data(handle, VPCCMD_R_VPC1, &vpc1)) | |
788 | return; | |
789 | if (read_ec_data(handle, VPCCMD_R_VPC2, &vpc2)) | |
790 | return; | |
791 | ||
792 | vpc1 = (vpc2 << 8) | vpc1; | |
793 | for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { | |
794 | if (test_bit(vpc_bit, &vpc1)) { | |
795 | switch (vpc_bit) { | |
796 | case 9: | |
797 | ideapad_sync_rfk_state(priv); | |
798 | break; | |
799 | case 13: | |
800 | case 11: | |
801 | case 7: | |
802 | case 6: | |
803 | ideapad_input_report(priv, vpc_bit); | |
804 | break; | |
805 | case 5: | |
806 | ideapad_sync_touchpad_state(priv); | |
807 | break; | |
808 | case 4: | |
809 | ideapad_backlight_notify_brightness(priv); | |
810 | break; | |
811 | case 3: | |
812 | ideapad_input_novokey(priv); | |
813 | break; | |
814 | case 2: | |
815 | ideapad_backlight_notify_power(priv); | |
816 | break; | |
817 | case 0: | |
818 | ideapad_check_special_buttons(priv); | |
819 | break; | |
820 | default: | |
821 | pr_info("Unknown event: %lu\n", vpc_bit); | |
822 | } | |
823 | } | |
824 | } | |
825 | } | |
826 | ||
ce363c2b HG |
827 | /* |
828 | * Some ideapads don't have a hardware rfkill switch, reading VPCCMD_R_RF | |
829 | * always results in 0 on these models, causing ideapad_laptop to wrongly | |
830 | * report all radios as hardware-blocked. | |
831 | */ | |
b3d94d70 | 832 | static const struct dmi_system_id no_hw_rfkill_list[] = { |
9b071a43 PC |
833 | { |
834 | .ident = "Lenovo G40-30", | |
835 | .matches = { | |
836 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
837 | DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo G40-30"), | |
838 | }, | |
839 | }, | |
85093f79 | 840 | { |
ce363c2b | 841 | .ident = "Lenovo Yoga 2 11 / 13 / Pro", |
85093f79 HG |
842 | .matches = { |
843 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
ce363c2b | 844 | DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"), |
85093f79 HG |
845 | }, |
846 | }, | |
725c7f61 SM |
847 | { |
848 | .ident = "Lenovo Yoga 3 Pro 1370", | |
849 | .matches = { | |
850 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
851 | DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 3 Pro-1370"), | |
852 | }, | |
853 | }, | |
85093f79 HG |
854 | {} |
855 | }; | |
856 | ||
b5c37b79 | 857 | static int ideapad_acpi_add(struct platform_device *pdev) |
58ac7aa0 | 858 | { |
3371f481 | 859 | int ret, i; |
57f9616b | 860 | int cfg; |
ce326329 | 861 | struct ideapad_private *priv; |
b5c37b79 ZR |
862 | struct acpi_device *adev; |
863 | ||
864 | ret = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev); | |
865 | if (ret) | |
866 | return -ENODEV; | |
58ac7aa0 | 867 | |
469f6434 | 868 | if (read_method_int(adev->handle, "_CFG", &cfg)) |
6f8371c0 IP |
869 | return -ENODEV; |
870 | ||
b3facd7b | 871 | priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); |
ce326329 DW |
872 | if (!priv) |
873 | return -ENOMEM; | |
b5c37b79 ZR |
874 | |
875 | dev_set_drvdata(&pdev->dev, priv); | |
3371f481 | 876 | priv->cfg = cfg; |
469f6434 | 877 | priv->adev = adev; |
b5c37b79 | 878 | priv->platform_device = pdev; |
ce363c2b | 879 | priv->has_hw_rfkill_switch = !dmi_check_system(no_hw_rfkill_list); |
98ee6919 | 880 | |
b5c37b79 | 881 | ret = ideapad_sysfs_init(priv); |
98ee6919 | 882 | if (ret) |
b3facd7b | 883 | return ret; |
ce326329 | 884 | |
773e3206 IP |
885 | ret = ideapad_debugfs_init(priv); |
886 | if (ret) | |
887 | goto debugfs_failed; | |
888 | ||
8693ae84 | 889 | ret = ideapad_input_init(priv); |
f63409ae IP |
890 | if (ret) |
891 | goto input_failed; | |
892 | ||
ce363c2b HG |
893 | /* |
894 | * On some models without a hw-switch (the yoga 2 13 at least) | |
895 | * VPCCMD_W_RF must be explicitly set to 1 for the wifi to work. | |
896 | */ | |
897 | if (!priv->has_hw_rfkill_switch) | |
898 | write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1); | |
899 | ||
900 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) | |
901 | if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg)) | |
902 | ideapad_register_rfkill(priv, i); | |
903 | ||
923de84a | 904 | ideapad_sync_rfk_state(priv); |
75a11f11 | 905 | ideapad_sync_touchpad_state(priv); |
c9f718d0 | 906 | |
26bff5f0 | 907 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
a4ecbb8a IP |
908 | ret = ideapad_backlight_init(priv); |
909 | if (ret && ret != -ENODEV) | |
910 | goto backlight_failed; | |
911 | } | |
b5c37b79 ZR |
912 | ret = acpi_install_notify_handler(adev->handle, |
913 | ACPI_DEVICE_NOTIFY, ideapad_acpi_notify, priv); | |
914 | if (ret) | |
915 | goto notification_failed; | |
a4ecbb8a | 916 | |
58ac7aa0 | 917 | return 0; |
b5c37b79 ZR |
918 | notification_failed: |
919 | ideapad_backlight_exit(priv); | |
a4ecbb8a IP |
920 | backlight_failed: |
921 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) | |
75a11f11 | 922 | ideapad_unregister_rfkill(priv, i); |
7451a55a | 923 | ideapad_input_exit(priv); |
f63409ae | 924 | input_failed: |
773e3206 IP |
925 | ideapad_debugfs_exit(priv); |
926 | debugfs_failed: | |
b5c37b79 | 927 | ideapad_sysfs_exit(priv); |
98ee6919 | 928 | return ret; |
58ac7aa0 DW |
929 | } |
930 | ||
b5c37b79 | 931 | static int ideapad_acpi_remove(struct platform_device *pdev) |
58ac7aa0 | 932 | { |
b5c37b79 | 933 | struct ideapad_private *priv = dev_get_drvdata(&pdev->dev); |
58ac7aa0 | 934 | int i; |
ce326329 | 935 | |
b5c37b79 ZR |
936 | acpi_remove_notify_handler(priv->adev->handle, |
937 | ACPI_DEVICE_NOTIFY, ideapad_acpi_notify); | |
a4ecbb8a | 938 | ideapad_backlight_exit(priv); |
c1f73658 | 939 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
75a11f11 | 940 | ideapad_unregister_rfkill(priv, i); |
8693ae84 | 941 | ideapad_input_exit(priv); |
773e3206 | 942 | ideapad_debugfs_exit(priv); |
b5c37b79 ZR |
943 | ideapad_sysfs_exit(priv); |
944 | dev_set_drvdata(&pdev->dev, NULL); | |
c9f718d0 | 945 | |
58ac7aa0 DW |
946 | return 0; |
947 | } | |
948 | ||
11fa8da5 | 949 | #ifdef CONFIG_PM_SLEEP |
07a4a4fc MM |
950 | static int ideapad_acpi_resume(struct device *device) |
951 | { | |
75a11f11 ZR |
952 | struct ideapad_private *priv; |
953 | ||
954 | if (!device) | |
955 | return -EINVAL; | |
956 | priv = dev_get_drvdata(device); | |
957 | ||
958 | ideapad_sync_rfk_state(priv); | |
959 | ideapad_sync_touchpad_state(priv); | |
07a4a4fc MM |
960 | return 0; |
961 | } | |
11fa8da5 | 962 | #endif |
b5c37b79 | 963 | static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume); |
07a4a4fc | 964 | |
b5c37b79 ZR |
965 | static const struct acpi_device_id ideapad_device_ids[] = { |
966 | { "VPC2004", 0}, | |
967 | { "", 0}, | |
58ac7aa0 | 968 | }; |
b5c37b79 ZR |
969 | MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); |
970 | ||
971 | static struct platform_driver ideapad_acpi_driver = { | |
972 | .probe = ideapad_acpi_add, | |
973 | .remove = ideapad_acpi_remove, | |
974 | .driver = { | |
975 | .name = "ideapad_acpi", | |
b5c37b79 ZR |
976 | .pm = &ideapad_pm, |
977 | .acpi_match_table = ACPI_PTR(ideapad_device_ids), | |
978 | }, | |
979 | }; | |
980 | ||
981 | module_platform_driver(ideapad_acpi_driver); | |
58ac7aa0 DW |
982 | |
983 | MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); | |
984 | MODULE_DESCRIPTION("IdeaPad ACPI Extras"); | |
985 | MODULE_LICENSE("GPL"); |