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> | |
29 | #include <acpi/acpi_bus.h> | |
30 | #include <acpi/acpi_drivers.h> | |
31 | #include <linux/rfkill.h> | |
98ee6919 | 32 | #include <linux/platform_device.h> |
f63409ae IP |
33 | #include <linux/input.h> |
34 | #include <linux/input/sparse-keymap.h> | |
a4ecbb8a IP |
35 | #include <linux/backlight.h> |
36 | #include <linux/fb.h> | |
58ac7aa0 | 37 | |
c1f73658 | 38 | #define IDEAPAD_RFKILL_DEV_NUM (3) |
58ac7aa0 | 39 | |
3371f481 IP |
40 | #define CFG_BT_BIT (16) |
41 | #define CFG_3G_BIT (17) | |
42 | #define CFG_WIFI_BIT (18) | |
a84511f7 | 43 | #define CFG_CAMERA_BIT (19) |
3371f481 | 44 | |
ce326329 | 45 | struct ideapad_private { |
c1f73658 | 46 | struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM]; |
98ee6919 | 47 | struct platform_device *platform_device; |
f63409ae | 48 | struct input_dev *inputdev; |
a4ecbb8a | 49 | struct backlight_device *blightdev; |
3371f481 | 50 | unsigned long cfg; |
58ac7aa0 DW |
51 | }; |
52 | ||
c1f73658 | 53 | static acpi_handle ideapad_handle; |
bfa97b7d IP |
54 | static bool no_bt_rfkill; |
55 | module_param(no_bt_rfkill, bool, 0444); | |
56 | MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); | |
57 | ||
6a09f21d IP |
58 | /* |
59 | * ACPI Helpers | |
60 | */ | |
61 | #define IDEAPAD_EC_TIMEOUT (100) /* in ms */ | |
62 | ||
63 | static int read_method_int(acpi_handle handle, const char *method, int *val) | |
64 | { | |
65 | acpi_status status; | |
66 | unsigned long long result; | |
67 | ||
68 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); | |
69 | if (ACPI_FAILURE(status)) { | |
70 | *val = -1; | |
71 | return -1; | |
72 | } else { | |
73 | *val = result; | |
74 | return 0; | |
75 | } | |
76 | } | |
77 | ||
78 | static int method_vpcr(acpi_handle handle, int cmd, int *ret) | |
79 | { | |
80 | acpi_status status; | |
81 | unsigned long long result; | |
82 | struct acpi_object_list params; | |
83 | union acpi_object in_obj; | |
84 | ||
85 | params.count = 1; | |
86 | params.pointer = &in_obj; | |
87 | in_obj.type = ACPI_TYPE_INTEGER; | |
88 | in_obj.integer.value = cmd; | |
89 | ||
90 | status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result); | |
91 | ||
92 | if (ACPI_FAILURE(status)) { | |
93 | *ret = -1; | |
94 | return -1; | |
95 | } else { | |
96 | *ret = result; | |
97 | return 0; | |
98 | } | |
99 | } | |
100 | ||
101 | static int method_vpcw(acpi_handle handle, int cmd, int data) | |
102 | { | |
103 | struct acpi_object_list params; | |
104 | union acpi_object in_obj[2]; | |
105 | acpi_status status; | |
106 | ||
107 | params.count = 2; | |
108 | params.pointer = in_obj; | |
109 | in_obj[0].type = ACPI_TYPE_INTEGER; | |
110 | in_obj[0].integer.value = cmd; | |
111 | in_obj[1].type = ACPI_TYPE_INTEGER; | |
112 | in_obj[1].integer.value = data; | |
113 | ||
114 | status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); | |
115 | if (status != AE_OK) | |
116 | return -1; | |
117 | return 0; | |
118 | } | |
119 | ||
120 | static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data) | |
121 | { | |
122 | int val; | |
123 | unsigned long int end_jiffies; | |
124 | ||
125 | if (method_vpcw(handle, 1, cmd)) | |
126 | return -1; | |
127 | ||
128 | for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; | |
129 | time_before(jiffies, end_jiffies);) { | |
130 | schedule(); | |
131 | if (method_vpcr(handle, 1, &val)) | |
132 | return -1; | |
133 | if (val == 0) { | |
134 | if (method_vpcr(handle, 0, &val)) | |
135 | return -1; | |
136 | *data = val; | |
137 | return 0; | |
138 | } | |
139 | } | |
140 | pr_err("timeout in read_ec_cmd\n"); | |
141 | return -1; | |
142 | } | |
143 | ||
144 | static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) | |
145 | { | |
146 | int val; | |
147 | unsigned long int end_jiffies; | |
148 | ||
149 | if (method_vpcw(handle, 0, data)) | |
150 | return -1; | |
151 | if (method_vpcw(handle, 1, cmd)) | |
152 | return -1; | |
153 | ||
154 | for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; | |
155 | time_before(jiffies, end_jiffies);) { | |
156 | schedule(); | |
157 | if (method_vpcr(handle, 1, &val)) | |
158 | return -1; | |
159 | if (val == 0) | |
160 | return 0; | |
161 | } | |
162 | pr_err("timeout in write_ec_cmd\n"); | |
163 | return -1; | |
164 | } | |
6a09f21d | 165 | |
a4b5a279 | 166 | /* |
3371f481 | 167 | * sysfs |
a4b5a279 | 168 | */ |
58ac7aa0 DW |
169 | static ssize_t show_ideapad_cam(struct device *dev, |
170 | struct device_attribute *attr, | |
171 | char *buf) | |
172 | { | |
26c81d5c | 173 | unsigned long result; |
58ac7aa0 | 174 | |
c1f73658 | 175 | if (read_ec_data(ideapad_handle, 0x1D, &result)) |
26c81d5c IP |
176 | return sprintf(buf, "-1\n"); |
177 | return sprintf(buf, "%lu\n", result); | |
58ac7aa0 DW |
178 | } |
179 | ||
180 | static ssize_t store_ideapad_cam(struct device *dev, | |
181 | struct device_attribute *attr, | |
182 | const char *buf, size_t count) | |
183 | { | |
184 | int ret, state; | |
185 | ||
186 | if (!count) | |
187 | return 0; | |
188 | if (sscanf(buf, "%i", &state) != 1) | |
189 | return -EINVAL; | |
c1f73658 | 190 | ret = write_ec_cmd(ideapad_handle, 0x1E, state); |
58ac7aa0 DW |
191 | if (ret < 0) |
192 | return ret; | |
193 | return count; | |
194 | } | |
195 | ||
196 | static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); | |
197 | ||
3371f481 IP |
198 | static ssize_t show_ideapad_cfg(struct device *dev, |
199 | struct device_attribute *attr, | |
200 | char *buf) | |
201 | { | |
202 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
203 | ||
204 | return sprintf(buf, "0x%.8lX\n", priv->cfg); | |
205 | } | |
206 | ||
207 | static DEVICE_ATTR(cfg, 0444, show_ideapad_cfg, NULL); | |
208 | ||
209 | static struct attribute *ideapad_attributes[] = { | |
210 | &dev_attr_camera_power.attr, | |
211 | &dev_attr_cfg.attr, | |
212 | NULL | |
213 | }; | |
214 | ||
a84511f7 IP |
215 | static mode_t ideapad_is_visible(struct kobject *kobj, |
216 | struct attribute *attr, | |
217 | int idx) | |
218 | { | |
219 | struct device *dev = container_of(kobj, struct device, kobj); | |
220 | struct ideapad_private *priv = dev_get_drvdata(dev); | |
221 | bool supported; | |
222 | ||
223 | if (attr == &dev_attr_camera_power.attr) | |
224 | supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); | |
225 | else | |
226 | supported = true; | |
227 | ||
228 | return supported ? attr->mode : 0; | |
229 | } | |
230 | ||
3371f481 | 231 | static struct attribute_group ideapad_attribute_group = { |
a84511f7 | 232 | .is_visible = ideapad_is_visible, |
3371f481 IP |
233 | .attrs = ideapad_attributes |
234 | }; | |
235 | ||
a4b5a279 IP |
236 | /* |
237 | * Rfkill | |
238 | */ | |
c1f73658 IP |
239 | struct ideapad_rfk_data { |
240 | char *name; | |
241 | int cfgbit; | |
242 | int opcode; | |
243 | int type; | |
244 | }; | |
245 | ||
246 | const struct ideapad_rfk_data ideapad_rfk_data[] = { | |
3371f481 IP |
247 | { "ideapad_wlan", CFG_WIFI_BIT, 0x15, RFKILL_TYPE_WLAN }, |
248 | { "ideapad_bluetooth", CFG_BT_BIT, 0x17, RFKILL_TYPE_BLUETOOTH }, | |
249 | { "ideapad_3g", CFG_3G_BIT, 0x20, RFKILL_TYPE_WWAN }, | |
c1f73658 IP |
250 | }; |
251 | ||
58ac7aa0 DW |
252 | static int ideapad_rfk_set(void *data, bool blocked) |
253 | { | |
c1f73658 | 254 | unsigned long opcode = (unsigned long)data; |
fa08359e | 255 | |
c1f73658 | 256 | return write_ec_cmd(ideapad_handle, opcode, !blocked); |
58ac7aa0 DW |
257 | } |
258 | ||
259 | static struct rfkill_ops ideapad_rfk_ops = { | |
260 | .set_block = ideapad_rfk_set, | |
261 | }; | |
262 | ||
ce326329 | 263 | static void ideapad_sync_rfk_state(struct acpi_device *adevice) |
58ac7aa0 | 264 | { |
ce326329 | 265 | struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); |
2b7266bd | 266 | unsigned long hw_blocked; |
58ac7aa0 DW |
267 | int i; |
268 | ||
c1f73658 | 269 | if (read_ec_data(ideapad_handle, 0x23, &hw_blocked)) |
58ac7aa0 | 270 | return; |
2b7266bd | 271 | hw_blocked = !hw_blocked; |
58ac7aa0 | 272 | |
c1f73658 | 273 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
ce326329 | 274 | if (priv->rfk[i]) |
2b7266bd | 275 | rfkill_set_hw_state(priv->rfk[i], hw_blocked); |
58ac7aa0 DW |
276 | } |
277 | ||
a4b5a279 IP |
278 | static int __devinit ideapad_register_rfkill(struct acpi_device *adevice, |
279 | int dev) | |
58ac7aa0 | 280 | { |
ce326329 | 281 | struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); |
58ac7aa0 | 282 | int ret; |
2b7266bd | 283 | unsigned long sw_blocked; |
58ac7aa0 | 284 | |
bfa97b7d IP |
285 | if (no_bt_rfkill && |
286 | (ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) { | |
287 | /* Force to enable bluetooth when no_bt_rfkill=1 */ | |
c1f73658 | 288 | write_ec_cmd(ideapad_handle, |
bfa97b7d IP |
289 | ideapad_rfk_data[dev].opcode, 1); |
290 | return 0; | |
291 | } | |
292 | ||
2b7266bd IP |
293 | priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, &adevice->dev, |
294 | ideapad_rfk_data[dev].type, &ideapad_rfk_ops, | |
ce326329 DW |
295 | (void *)(long)dev); |
296 | if (!priv->rfk[dev]) | |
58ac7aa0 DW |
297 | return -ENOMEM; |
298 | ||
c1f73658 | 299 | if (read_ec_data(ideapad_handle, ideapad_rfk_data[dev].opcode-1, |
2b7266bd IP |
300 | &sw_blocked)) { |
301 | rfkill_init_sw_state(priv->rfk[dev], 0); | |
302 | } else { | |
303 | sw_blocked = !sw_blocked; | |
304 | rfkill_init_sw_state(priv->rfk[dev], sw_blocked); | |
305 | } | |
306 | ||
ce326329 | 307 | ret = rfkill_register(priv->rfk[dev]); |
58ac7aa0 | 308 | if (ret) { |
ce326329 | 309 | rfkill_destroy(priv->rfk[dev]); |
58ac7aa0 DW |
310 | return ret; |
311 | } | |
312 | return 0; | |
313 | } | |
314 | ||
a4ecbb8a | 315 | static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev) |
58ac7aa0 | 316 | { |
ce326329 DW |
317 | struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); |
318 | ||
319 | if (!priv->rfk[dev]) | |
58ac7aa0 DW |
320 | return; |
321 | ||
ce326329 DW |
322 | rfkill_unregister(priv->rfk[dev]); |
323 | rfkill_destroy(priv->rfk[dev]); | |
58ac7aa0 DW |
324 | } |
325 | ||
98ee6919 IP |
326 | /* |
327 | * Platform device | |
328 | */ | |
8693ae84 | 329 | static int __devinit ideapad_platform_init(struct ideapad_private *priv) |
98ee6919 IP |
330 | { |
331 | int result; | |
332 | ||
8693ae84 IP |
333 | priv->platform_device = platform_device_alloc("ideapad", -1); |
334 | if (!priv->platform_device) | |
98ee6919 | 335 | return -ENOMEM; |
8693ae84 | 336 | platform_set_drvdata(priv->platform_device, priv); |
98ee6919 | 337 | |
8693ae84 | 338 | result = platform_device_add(priv->platform_device); |
98ee6919 IP |
339 | if (result) |
340 | goto fail_platform_device; | |
341 | ||
8693ae84 | 342 | result = sysfs_create_group(&priv->platform_device->dev.kobj, |
c9f718d0 IP |
343 | &ideapad_attribute_group); |
344 | if (result) | |
345 | goto fail_sysfs; | |
98ee6919 IP |
346 | return 0; |
347 | ||
c9f718d0 | 348 | fail_sysfs: |
8693ae84 | 349 | platform_device_del(priv->platform_device); |
98ee6919 | 350 | fail_platform_device: |
8693ae84 | 351 | platform_device_put(priv->platform_device); |
98ee6919 IP |
352 | return result; |
353 | } | |
354 | ||
8693ae84 | 355 | static void ideapad_platform_exit(struct ideapad_private *priv) |
98ee6919 | 356 | { |
8693ae84 | 357 | sysfs_remove_group(&priv->platform_device->dev.kobj, |
c9f718d0 | 358 | &ideapad_attribute_group); |
8693ae84 | 359 | platform_device_unregister(priv->platform_device); |
98ee6919 | 360 | } |
98ee6919 | 361 | |
f63409ae IP |
362 | /* |
363 | * input device | |
364 | */ | |
365 | static const struct key_entry ideapad_keymap[] = { | |
366 | { KE_KEY, 0x06, { KEY_SWITCHVIDEOMODE } }, | |
367 | { KE_KEY, 0x0D, { KEY_WLAN } }, | |
368 | { KE_END, 0 }, | |
369 | }; | |
370 | ||
8693ae84 | 371 | static int __devinit ideapad_input_init(struct ideapad_private *priv) |
f63409ae IP |
372 | { |
373 | struct input_dev *inputdev; | |
374 | int error; | |
375 | ||
376 | inputdev = input_allocate_device(); | |
377 | if (!inputdev) { | |
378 | pr_info("Unable to allocate input device\n"); | |
379 | return -ENOMEM; | |
380 | } | |
381 | ||
382 | inputdev->name = "Ideapad extra buttons"; | |
383 | inputdev->phys = "ideapad/input0"; | |
384 | inputdev->id.bustype = BUS_HOST; | |
8693ae84 | 385 | inputdev->dev.parent = &priv->platform_device->dev; |
f63409ae IP |
386 | |
387 | error = sparse_keymap_setup(inputdev, ideapad_keymap, NULL); | |
388 | if (error) { | |
389 | pr_err("Unable to setup input device keymap\n"); | |
390 | goto err_free_dev; | |
391 | } | |
392 | ||
393 | error = input_register_device(inputdev); | |
394 | if (error) { | |
395 | pr_err("Unable to register input device\n"); | |
396 | goto err_free_keymap; | |
397 | } | |
398 | ||
8693ae84 | 399 | priv->inputdev = inputdev; |
f63409ae IP |
400 | return 0; |
401 | ||
402 | err_free_keymap: | |
403 | sparse_keymap_free(inputdev); | |
404 | err_free_dev: | |
405 | input_free_device(inputdev); | |
406 | return error; | |
407 | } | |
408 | ||
8693ae84 | 409 | static void __devexit ideapad_input_exit(struct ideapad_private *priv) |
f63409ae | 410 | { |
8693ae84 IP |
411 | sparse_keymap_free(priv->inputdev); |
412 | input_unregister_device(priv->inputdev); | |
413 | priv->inputdev = NULL; | |
f63409ae IP |
414 | } |
415 | ||
8693ae84 IP |
416 | static void ideapad_input_report(struct ideapad_private *priv, |
417 | unsigned long scancode) | |
f63409ae | 418 | { |
8693ae84 | 419 | sparse_keymap_report_event(priv->inputdev, scancode, 1, true); |
f63409ae | 420 | } |
f63409ae | 421 | |
a4ecbb8a IP |
422 | /* |
423 | * backlight | |
424 | */ | |
425 | static int ideapad_backlight_get_brightness(struct backlight_device *blightdev) | |
426 | { | |
427 | unsigned long now; | |
428 | ||
429 | if (read_ec_data(ideapad_handle, 0x12, &now)) | |
430 | return -EIO; | |
431 | return now; | |
432 | } | |
433 | ||
434 | static int ideapad_backlight_update_status(struct backlight_device *blightdev) | |
435 | { | |
436 | if (write_ec_cmd(ideapad_handle, 0x13, blightdev->props.brightness)) | |
437 | return -EIO; | |
438 | if (write_ec_cmd(ideapad_handle, 0x33, | |
439 | blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1)) | |
440 | return -EIO; | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
445 | static const struct backlight_ops ideapad_backlight_ops = { | |
446 | .get_brightness = ideapad_backlight_get_brightness, | |
447 | .update_status = ideapad_backlight_update_status, | |
448 | }; | |
449 | ||
450 | static int ideapad_backlight_init(struct ideapad_private *priv) | |
451 | { | |
452 | struct backlight_device *blightdev; | |
453 | struct backlight_properties props; | |
454 | unsigned long max, now, power; | |
455 | ||
456 | if (read_ec_data(ideapad_handle, 0x11, &max)) | |
457 | return -EIO; | |
458 | if (read_ec_data(ideapad_handle, 0x12, &now)) | |
459 | return -EIO; | |
460 | if (read_ec_data(ideapad_handle, 0x18, &power)) | |
461 | return -EIO; | |
462 | ||
463 | memset(&props, 0, sizeof(struct backlight_properties)); | |
464 | props.max_brightness = max; | |
465 | props.type = BACKLIGHT_PLATFORM; | |
466 | blightdev = backlight_device_register("ideapad", | |
467 | &priv->platform_device->dev, | |
468 | priv, | |
469 | &ideapad_backlight_ops, | |
470 | &props); | |
471 | if (IS_ERR(blightdev)) { | |
472 | pr_err("Could not register backlight device\n"); | |
473 | return PTR_ERR(blightdev); | |
474 | } | |
475 | ||
476 | priv->blightdev = blightdev; | |
477 | blightdev->props.brightness = now; | |
478 | blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
479 | backlight_update_status(blightdev); | |
480 | ||
481 | return 0; | |
482 | } | |
483 | ||
484 | static void ideapad_backlight_exit(struct ideapad_private *priv) | |
485 | { | |
486 | if (priv->blightdev) | |
487 | backlight_device_unregister(priv->blightdev); | |
488 | priv->blightdev = NULL; | |
489 | } | |
490 | ||
491 | static void ideapad_backlight_notify_power(struct ideapad_private *priv) | |
492 | { | |
493 | unsigned long power; | |
494 | struct backlight_device *blightdev = priv->blightdev; | |
495 | ||
496 | if (read_ec_data(ideapad_handle, 0x18, &power)) | |
497 | return; | |
498 | blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
499 | } | |
500 | ||
501 | static void ideapad_backlight_notify_brightness(struct ideapad_private *priv) | |
502 | { | |
503 | unsigned long now; | |
504 | ||
505 | /* if we control brightness via acpi video driver */ | |
506 | if (priv->blightdev == NULL) { | |
507 | read_ec_data(ideapad_handle, 0x12, &now); | |
508 | return; | |
509 | } | |
510 | ||
511 | backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY); | |
512 | } | |
513 | ||
a4b5a279 IP |
514 | /* |
515 | * module init/exit | |
516 | */ | |
58ac7aa0 DW |
517 | static const struct acpi_device_id ideapad_device_ids[] = { |
518 | { "VPC2004", 0}, | |
519 | { "", 0}, | |
520 | }; | |
521 | MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); | |
522 | ||
a4b5a279 | 523 | static int __devinit ideapad_acpi_add(struct acpi_device *adevice) |
58ac7aa0 | 524 | { |
3371f481 IP |
525 | int ret, i; |
526 | unsigned long cfg; | |
ce326329 | 527 | struct ideapad_private *priv; |
58ac7aa0 | 528 | |
3371f481 | 529 | if (read_method_int(adevice->handle, "_CFG", (int *)&cfg)) |
6f8371c0 IP |
530 | return -ENODEV; |
531 | ||
ce326329 DW |
532 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
533 | if (!priv) | |
534 | return -ENOMEM; | |
c9f718d0 | 535 | dev_set_drvdata(&adevice->dev, priv); |
c1f73658 | 536 | ideapad_handle = adevice->handle; |
3371f481 | 537 | priv->cfg = cfg; |
98ee6919 | 538 | |
8693ae84 | 539 | ret = ideapad_platform_init(priv); |
98ee6919 IP |
540 | if (ret) |
541 | goto platform_failed; | |
ce326329 | 542 | |
8693ae84 | 543 | ret = ideapad_input_init(priv); |
f63409ae IP |
544 | if (ret) |
545 | goto input_failed; | |
546 | ||
c1f73658 | 547 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) { |
3371f481 | 548 | if (test_bit(ideapad_rfk_data[i].cfgbit, &cfg)) |
c9f718d0 | 549 | ideapad_register_rfkill(adevice, i); |
c1f73658 IP |
550 | else |
551 | priv->rfk[i] = NULL; | |
58ac7aa0 | 552 | } |
ce326329 | 553 | ideapad_sync_rfk_state(adevice); |
c9f718d0 | 554 | |
a4ecbb8a IP |
555 | if (!acpi_video_backlight_support()) { |
556 | ret = ideapad_backlight_init(priv); | |
557 | if (ret && ret != -ENODEV) | |
558 | goto backlight_failed; | |
559 | } | |
560 | ||
58ac7aa0 | 561 | return 0; |
98ee6919 | 562 | |
a4ecbb8a IP |
563 | backlight_failed: |
564 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) | |
565 | ideapad_unregister_rfkill(adevice, i); | |
f63409ae | 566 | input_failed: |
8693ae84 | 567 | ideapad_platform_exit(priv); |
98ee6919 IP |
568 | platform_failed: |
569 | kfree(priv); | |
570 | return ret; | |
58ac7aa0 DW |
571 | } |
572 | ||
a4b5a279 | 573 | static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type) |
58ac7aa0 | 574 | { |
ce326329 | 575 | struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); |
58ac7aa0 | 576 | int i; |
ce326329 | 577 | |
a4ecbb8a | 578 | ideapad_backlight_exit(priv); |
c1f73658 | 579 | for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) |
ce326329 | 580 | ideapad_unregister_rfkill(adevice, i); |
8693ae84 IP |
581 | ideapad_input_exit(priv); |
582 | ideapad_platform_exit(priv); | |
ce326329 DW |
583 | dev_set_drvdata(&adevice->dev, NULL); |
584 | kfree(priv); | |
c9f718d0 | 585 | |
58ac7aa0 DW |
586 | return 0; |
587 | } | |
588 | ||
ce326329 | 589 | static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) |
58ac7aa0 | 590 | { |
8693ae84 | 591 | struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); |
8e7d3543 IP |
592 | acpi_handle handle = adevice->handle; |
593 | unsigned long vpc1, vpc2, vpc_bit; | |
594 | ||
595 | if (read_ec_data(handle, 0x10, &vpc1)) | |
596 | return; | |
597 | if (read_ec_data(handle, 0x1A, &vpc2)) | |
598 | return; | |
599 | ||
600 | vpc1 = (vpc2 << 8) | vpc1; | |
601 | for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { | |
602 | if (test_bit(vpc_bit, &vpc1)) { | |
a4ecbb8a IP |
603 | switch (vpc_bit) { |
604 | case 9: | |
8e7d3543 | 605 | ideapad_sync_rfk_state(adevice); |
a4ecbb8a IP |
606 | break; |
607 | case 4: | |
608 | ideapad_backlight_notify_brightness(priv); | |
609 | break; | |
610 | case 2: | |
611 | ideapad_backlight_notify_power(priv); | |
612 | break; | |
613 | default: | |
8693ae84 | 614 | ideapad_input_report(priv, vpc_bit); |
a4ecbb8a | 615 | } |
8e7d3543 IP |
616 | } |
617 | } | |
58ac7aa0 DW |
618 | } |
619 | ||
620 | static struct acpi_driver ideapad_acpi_driver = { | |
621 | .name = "ideapad_acpi", | |
622 | .class = "IdeaPad", | |
623 | .ids = ideapad_device_ids, | |
624 | .ops.add = ideapad_acpi_add, | |
625 | .ops.remove = ideapad_acpi_remove, | |
626 | .ops.notify = ideapad_acpi_notify, | |
627 | .owner = THIS_MODULE, | |
628 | }; | |
629 | ||
58ac7aa0 DW |
630 | static int __init ideapad_acpi_module_init(void) |
631 | { | |
a4b5a279 | 632 | return acpi_bus_register_driver(&ideapad_acpi_driver); |
58ac7aa0 DW |
633 | } |
634 | ||
58ac7aa0 DW |
635 | static void __exit ideapad_acpi_module_exit(void) |
636 | { | |
637 | acpi_bus_unregister_driver(&ideapad_acpi_driver); | |
58ac7aa0 DW |
638 | } |
639 | ||
640 | MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); | |
641 | MODULE_DESCRIPTION("IdeaPad ACPI Extras"); | |
642 | MODULE_LICENSE("GPL"); | |
643 | ||
644 | module_init(ideapad_acpi_module_init); | |
645 | module_exit(ideapad_acpi_module_exit); |