1fd13c862SJeremy Soller // SPDX-License-Identifier: GPL-2.0+
2fd13c862SJeremy Soller /*
3fd13c862SJeremy Soller * System76 ACPI Driver
4fd13c862SJeremy Soller *
5*5d36931fSTim Crawford * Copyright (C) 2023 System76
6fd13c862SJeremy Soller *
7fd13c862SJeremy Soller * This program is free software; you can redistribute it and/or modify
8fd13c862SJeremy Soller * it under the terms of the GNU General Public License version 2 as
9fd13c862SJeremy Soller * published by the Free Software Foundation.
10fd13c862SJeremy Soller */
11fd13c862SJeremy Soller
12fd13c862SJeremy Soller #include <linux/acpi.h>
1395563d45SJeremy Soller #include <linux/hwmon.h>
1495563d45SJeremy Soller #include <linux/hwmon-sysfs.h>
15fd13c862SJeremy Soller #include <linux/init.h>
160de30fc6SJeremy Soller #include <linux/input.h>
17fd13c862SJeremy Soller #include <linux/kernel.h>
18fd13c862SJeremy Soller #include <linux/leds.h>
19fd13c862SJeremy Soller #include <linux/module.h>
20fd13c862SJeremy Soller #include <linux/pci_ids.h>
2176f7eba3STim Crawford #include <linux/power_supply.h>
2276f7eba3STim Crawford #include <linux/sysfs.h>
23fd13c862SJeremy Soller #include <linux/types.h>
24fd13c862SJeremy Soller
2576f7eba3STim Crawford #include <acpi/battery.h>
2676f7eba3STim Crawford
27*5d36931fSTim Crawford enum kbled_type {
28*5d36931fSTim Crawford KBLED_NONE,
29*5d36931fSTim Crawford KBLED_WHITE,
30*5d36931fSTim Crawford KBLED_RGB,
31*5d36931fSTim Crawford };
32*5d36931fSTim Crawford
33fd13c862SJeremy Soller struct system76_data {
34fd13c862SJeremy Soller struct acpi_device *acpi_dev;
35fd13c862SJeremy Soller struct led_classdev ap_led;
36fd13c862SJeremy Soller struct led_classdev kb_led;
37fd13c862SJeremy Soller enum led_brightness kb_brightness;
38fd13c862SJeremy Soller enum led_brightness kb_toggle_brightness;
39fd13c862SJeremy Soller int kb_color;
4095563d45SJeremy Soller struct device *therm;
4195563d45SJeremy Soller union acpi_object *nfan;
4295563d45SJeremy Soller union acpi_object *ntmp;
430de30fc6SJeremy Soller struct input_dev *input;
44c4499272STim Crawford bool has_open_ec;
45*5d36931fSTim Crawford enum kbled_type kbled_type;
46fd13c862SJeremy Soller };
47fd13c862SJeremy Soller
48fd13c862SJeremy Soller static const struct acpi_device_id device_ids[] = {
49fd13c862SJeremy Soller {"17761776", 0},
50fd13c862SJeremy Soller {"", 0},
51fd13c862SJeremy Soller };
52fd13c862SJeremy Soller MODULE_DEVICE_TABLE(acpi, device_ids);
53fd13c862SJeremy Soller
54fd13c862SJeremy Soller // Array of keyboard LED brightness levels
55fd13c862SJeremy Soller static const enum led_brightness kb_levels[] = {
56fd13c862SJeremy Soller 48,
57fd13c862SJeremy Soller 72,
58fd13c862SJeremy Soller 96,
59fd13c862SJeremy Soller 144,
60fd13c862SJeremy Soller 192,
61fd13c862SJeremy Soller 255
62fd13c862SJeremy Soller };
63fd13c862SJeremy Soller
64fd13c862SJeremy Soller // Array of keyboard LED colors in 24-bit RGB format
65fd13c862SJeremy Soller static const int kb_colors[] = {
66fd13c862SJeremy Soller 0xFFFFFF,
67fd13c862SJeremy Soller 0x0000FF,
68fd13c862SJeremy Soller 0xFF0000,
69fd13c862SJeremy Soller 0xFF00FF,
70fd13c862SJeremy Soller 0x00FF00,
71fd13c862SJeremy Soller 0x00FFFF,
72fd13c862SJeremy Soller 0xFFFF00
73fd13c862SJeremy Soller };
74fd13c862SJeremy Soller
75fd13c862SJeremy Soller // Get a System76 ACPI device value by name
system76_get(struct system76_data * data,char * method)76fd13c862SJeremy Soller static int system76_get(struct system76_data *data, char *method)
77fd13c862SJeremy Soller {
78fd13c862SJeremy Soller acpi_handle handle;
79fd13c862SJeremy Soller acpi_status status;
80fd13c862SJeremy Soller unsigned long long ret = 0;
81fd13c862SJeremy Soller
82fd13c862SJeremy Soller handle = acpi_device_handle(data->acpi_dev);
83fd13c862SJeremy Soller status = acpi_evaluate_integer(handle, method, NULL, &ret);
84fd13c862SJeremy Soller if (ACPI_SUCCESS(status))
8595563d45SJeremy Soller return ret;
8695563d45SJeremy Soller return -ENODEV;
8795563d45SJeremy Soller }
8895563d45SJeremy Soller
8995563d45SJeremy Soller // Get a System76 ACPI device value by name with index
system76_get_index(struct system76_data * data,char * method,int index)9095563d45SJeremy Soller static int system76_get_index(struct system76_data *data, char *method, int index)
9195563d45SJeremy Soller {
9295563d45SJeremy Soller union acpi_object obj;
9395563d45SJeremy Soller struct acpi_object_list obj_list;
9495563d45SJeremy Soller acpi_handle handle;
9595563d45SJeremy Soller acpi_status status;
9695563d45SJeremy Soller unsigned long long ret = 0;
9795563d45SJeremy Soller
9895563d45SJeremy Soller obj.type = ACPI_TYPE_INTEGER;
9995563d45SJeremy Soller obj.integer.value = index;
10095563d45SJeremy Soller obj_list.count = 1;
10195563d45SJeremy Soller obj_list.pointer = &obj;
10295563d45SJeremy Soller
10395563d45SJeremy Soller handle = acpi_device_handle(data->acpi_dev);
10495563d45SJeremy Soller status = acpi_evaluate_integer(handle, method, &obj_list, &ret);
10595563d45SJeremy Soller if (ACPI_SUCCESS(status))
10695563d45SJeremy Soller return ret;
10795563d45SJeremy Soller return -ENODEV;
10895563d45SJeremy Soller }
10995563d45SJeremy Soller
11095563d45SJeremy Soller // Get a System76 ACPI device object by name
system76_get_object(struct system76_data * data,char * method,union acpi_object ** obj)11195563d45SJeremy Soller static int system76_get_object(struct system76_data *data, char *method, union acpi_object **obj)
11295563d45SJeremy Soller {
11395563d45SJeremy Soller acpi_handle handle;
11495563d45SJeremy Soller acpi_status status;
11595563d45SJeremy Soller struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
11695563d45SJeremy Soller
11795563d45SJeremy Soller handle = acpi_device_handle(data->acpi_dev);
11895563d45SJeremy Soller status = acpi_evaluate_object(handle, method, NULL, &buf);
11995563d45SJeremy Soller if (ACPI_SUCCESS(status)) {
12095563d45SJeremy Soller *obj = buf.pointer;
12195563d45SJeremy Soller return 0;
12295563d45SJeremy Soller }
12395563d45SJeremy Soller
12495563d45SJeremy Soller return -ENODEV;
12595563d45SJeremy Soller }
12695563d45SJeremy Soller
12795563d45SJeremy Soller // Get a name from a System76 ACPI device object
system76_name(union acpi_object * obj,int index)12895563d45SJeremy Soller static char *system76_name(union acpi_object *obj, int index)
12995563d45SJeremy Soller {
13095563d45SJeremy Soller if (obj && obj->type == ACPI_TYPE_PACKAGE && index <= obj->package.count) {
13195563d45SJeremy Soller if (obj->package.elements[index].type == ACPI_TYPE_STRING)
13295563d45SJeremy Soller return obj->package.elements[index].string.pointer;
13395563d45SJeremy Soller }
13495563d45SJeremy Soller
13595563d45SJeremy Soller return NULL;
136fd13c862SJeremy Soller }
137fd13c862SJeremy Soller
138fd13c862SJeremy Soller // Set a System76 ACPI device value by name
system76_set(struct system76_data * data,char * method,int value)139fd13c862SJeremy Soller static int system76_set(struct system76_data *data, char *method, int value)
140fd13c862SJeremy Soller {
141fd13c862SJeremy Soller union acpi_object obj;
142fd13c862SJeremy Soller struct acpi_object_list obj_list;
143fd13c862SJeremy Soller acpi_handle handle;
144fd13c862SJeremy Soller acpi_status status;
145fd13c862SJeremy Soller
146fd13c862SJeremy Soller obj.type = ACPI_TYPE_INTEGER;
147fd13c862SJeremy Soller obj.integer.value = value;
148fd13c862SJeremy Soller obj_list.count = 1;
149fd13c862SJeremy Soller obj_list.pointer = &obj;
150fd13c862SJeremy Soller handle = acpi_device_handle(data->acpi_dev);
151fd13c862SJeremy Soller status = acpi_evaluate_object(handle, method, &obj_list, NULL);
152fd13c862SJeremy Soller if (ACPI_SUCCESS(status))
153fd13c862SJeremy Soller return 0;
154fd13c862SJeremy Soller else
155fd13c862SJeremy Soller return -1;
156fd13c862SJeremy Soller }
157fd13c862SJeremy Soller
15876f7eba3STim Crawford #define BATTERY_THRESHOLD_INVALID 0xFF
15976f7eba3STim Crawford
16076f7eba3STim Crawford enum {
16176f7eba3STim Crawford THRESHOLD_START,
16276f7eba3STim Crawford THRESHOLD_END,
16376f7eba3STim Crawford };
16476f7eba3STim Crawford
battery_get_threshold(int which,char * buf)16576f7eba3STim Crawford static ssize_t battery_get_threshold(int which, char *buf)
16676f7eba3STim Crawford {
16776f7eba3STim Crawford struct acpi_object_list input;
16876f7eba3STim Crawford union acpi_object param;
16976f7eba3STim Crawford acpi_handle handle;
17076f7eba3STim Crawford acpi_status status;
17176f7eba3STim Crawford unsigned long long ret = BATTERY_THRESHOLD_INVALID;
17276f7eba3STim Crawford
17376f7eba3STim Crawford handle = ec_get_handle();
17476f7eba3STim Crawford if (!handle)
17576f7eba3STim Crawford return -ENODEV;
17676f7eba3STim Crawford
17776f7eba3STim Crawford input.count = 1;
17876f7eba3STim Crawford input.pointer = ¶m;
17976f7eba3STim Crawford // Start/stop selection
18076f7eba3STim Crawford param.type = ACPI_TYPE_INTEGER;
18176f7eba3STim Crawford param.integer.value = which;
18276f7eba3STim Crawford
18376f7eba3STim Crawford status = acpi_evaluate_integer(handle, "GBCT", &input, &ret);
18476f7eba3STim Crawford if (ACPI_FAILURE(status))
18576f7eba3STim Crawford return -EIO;
18676f7eba3STim Crawford if (ret == BATTERY_THRESHOLD_INVALID)
18776f7eba3STim Crawford return -EINVAL;
18876f7eba3STim Crawford
18976f7eba3STim Crawford return sysfs_emit(buf, "%d\n", (int)ret);
19076f7eba3STim Crawford }
19176f7eba3STim Crawford
battery_set_threshold(int which,const char * buf,size_t count)19276f7eba3STim Crawford static ssize_t battery_set_threshold(int which, const char *buf, size_t count)
19376f7eba3STim Crawford {
19476f7eba3STim Crawford struct acpi_object_list input;
19576f7eba3STim Crawford union acpi_object params[2];
19676f7eba3STim Crawford acpi_handle handle;
19776f7eba3STim Crawford acpi_status status;
19876f7eba3STim Crawford unsigned int value;
19976f7eba3STim Crawford int ret;
20076f7eba3STim Crawford
20176f7eba3STim Crawford handle = ec_get_handle();
20276f7eba3STim Crawford if (!handle)
20376f7eba3STim Crawford return -ENODEV;
20476f7eba3STim Crawford
20576f7eba3STim Crawford ret = kstrtouint(buf, 10, &value);
20676f7eba3STim Crawford if (ret)
20776f7eba3STim Crawford return ret;
20876f7eba3STim Crawford
20976f7eba3STim Crawford if (value > 100)
21076f7eba3STim Crawford return -EINVAL;
21176f7eba3STim Crawford
21276f7eba3STim Crawford input.count = 2;
21376f7eba3STim Crawford input.pointer = params;
21476f7eba3STim Crawford // Start/stop selection
21576f7eba3STim Crawford params[0].type = ACPI_TYPE_INTEGER;
21676f7eba3STim Crawford params[0].integer.value = which;
21776f7eba3STim Crawford // Threshold value
21876f7eba3STim Crawford params[1].type = ACPI_TYPE_INTEGER;
21976f7eba3STim Crawford params[1].integer.value = value;
22076f7eba3STim Crawford
22176f7eba3STim Crawford status = acpi_evaluate_object(handle, "SBCT", &input, NULL);
22276f7eba3STim Crawford if (ACPI_FAILURE(status))
22376f7eba3STim Crawford return -EIO;
22476f7eba3STim Crawford
22576f7eba3STim Crawford return count;
22676f7eba3STim Crawford }
22776f7eba3STim Crawford
charge_control_start_threshold_show(struct device * dev,struct device_attribute * attr,char * buf)22876f7eba3STim Crawford static ssize_t charge_control_start_threshold_show(struct device *dev,
22976f7eba3STim Crawford struct device_attribute *attr, char *buf)
23076f7eba3STim Crawford {
23176f7eba3STim Crawford return battery_get_threshold(THRESHOLD_START, buf);
23276f7eba3STim Crawford }
23376f7eba3STim Crawford
charge_control_start_threshold_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)23476f7eba3STim Crawford static ssize_t charge_control_start_threshold_store(struct device *dev,
23576f7eba3STim Crawford struct device_attribute *attr, const char *buf, size_t count)
23676f7eba3STim Crawford {
23776f7eba3STim Crawford return battery_set_threshold(THRESHOLD_START, buf, count);
23876f7eba3STim Crawford }
23976f7eba3STim Crawford
24076f7eba3STim Crawford static DEVICE_ATTR_RW(charge_control_start_threshold);
24176f7eba3STim Crawford
charge_control_end_threshold_show(struct device * dev,struct device_attribute * attr,char * buf)24276f7eba3STim Crawford static ssize_t charge_control_end_threshold_show(struct device *dev,
24376f7eba3STim Crawford struct device_attribute *attr, char *buf)
24476f7eba3STim Crawford {
24576f7eba3STim Crawford return battery_get_threshold(THRESHOLD_END, buf);
24676f7eba3STim Crawford }
24776f7eba3STim Crawford
charge_control_end_threshold_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)24876f7eba3STim Crawford static ssize_t charge_control_end_threshold_store(struct device *dev,
24976f7eba3STim Crawford struct device_attribute *attr, const char *buf, size_t count)
25076f7eba3STim Crawford {
25176f7eba3STim Crawford return battery_set_threshold(THRESHOLD_END, buf, count);
25276f7eba3STim Crawford }
25376f7eba3STim Crawford
25476f7eba3STim Crawford static DEVICE_ATTR_RW(charge_control_end_threshold);
25576f7eba3STim Crawford
25676f7eba3STim Crawford static struct attribute *system76_battery_attrs[] = {
25776f7eba3STim Crawford &dev_attr_charge_control_start_threshold.attr,
25876f7eba3STim Crawford &dev_attr_charge_control_end_threshold.attr,
25976f7eba3STim Crawford NULL,
26076f7eba3STim Crawford };
26176f7eba3STim Crawford
26276f7eba3STim Crawford ATTRIBUTE_GROUPS(system76_battery);
26376f7eba3STim Crawford
system76_battery_add(struct power_supply * battery,struct acpi_battery_hook * hook)264878a82c2SArmin Wolf static int system76_battery_add(struct power_supply *battery, struct acpi_battery_hook *hook)
26576f7eba3STim Crawford {
26676f7eba3STim Crawford // System76 EC only supports 1 battery
26776f7eba3STim Crawford if (strcmp(battery->desc->name, "BAT0") != 0)
26876f7eba3STim Crawford return -ENODEV;
26976f7eba3STim Crawford
27076f7eba3STim Crawford if (device_add_groups(&battery->dev, system76_battery_groups))
27176f7eba3STim Crawford return -ENODEV;
27276f7eba3STim Crawford
27376f7eba3STim Crawford return 0;
27476f7eba3STim Crawford }
27576f7eba3STim Crawford
system76_battery_remove(struct power_supply * battery,struct acpi_battery_hook * hook)276878a82c2SArmin Wolf static int system76_battery_remove(struct power_supply *battery, struct acpi_battery_hook *hook)
27776f7eba3STim Crawford {
27876f7eba3STim Crawford device_remove_groups(&battery->dev, system76_battery_groups);
27976f7eba3STim Crawford return 0;
28076f7eba3STim Crawford }
28176f7eba3STim Crawford
28276f7eba3STim Crawford static struct acpi_battery_hook system76_battery_hook = {
28376f7eba3STim Crawford .add_battery = system76_battery_add,
28476f7eba3STim Crawford .remove_battery = system76_battery_remove,
28576f7eba3STim Crawford .name = "System76 Battery Extension",
28676f7eba3STim Crawford };
28776f7eba3STim Crawford
system76_battery_init(void)28876f7eba3STim Crawford static void system76_battery_init(void)
28976f7eba3STim Crawford {
29076f7eba3STim Crawford battery_hook_register(&system76_battery_hook);
29176f7eba3STim Crawford }
29276f7eba3STim Crawford
system76_battery_exit(void)29376f7eba3STim Crawford static void system76_battery_exit(void)
29476f7eba3STim Crawford {
29576f7eba3STim Crawford battery_hook_unregister(&system76_battery_hook);
29676f7eba3STim Crawford }
29776f7eba3STim Crawford
298fd13c862SJeremy Soller // Get the airplane mode LED brightness
ap_led_get(struct led_classdev * led)299fd13c862SJeremy Soller static enum led_brightness ap_led_get(struct led_classdev *led)
300fd13c862SJeremy Soller {
301fd13c862SJeremy Soller struct system76_data *data;
302fd13c862SJeremy Soller int value;
303fd13c862SJeremy Soller
304fd13c862SJeremy Soller data = container_of(led, struct system76_data, ap_led);
305fd13c862SJeremy Soller value = system76_get(data, "GAPL");
306fd13c862SJeremy Soller if (value > 0)
307fd13c862SJeremy Soller return (enum led_brightness)value;
308fd13c862SJeremy Soller else
309fd13c862SJeremy Soller return LED_OFF;
310fd13c862SJeremy Soller }
311fd13c862SJeremy Soller
312fd13c862SJeremy Soller // Set the airplane mode LED brightness
ap_led_set(struct led_classdev * led,enum led_brightness value)3135b36398dSNick Shipp static int ap_led_set(struct led_classdev *led, enum led_brightness value)
314fd13c862SJeremy Soller {
315fd13c862SJeremy Soller struct system76_data *data;
316fd13c862SJeremy Soller
317fd13c862SJeremy Soller data = container_of(led, struct system76_data, ap_led);
3185b36398dSNick Shipp return system76_set(data, "SAPL", value == LED_OFF ? 0 : 1);
319fd13c862SJeremy Soller }
320fd13c862SJeremy Soller
321fd13c862SJeremy Soller // Get the last set keyboard LED brightness
kb_led_get(struct led_classdev * led)322fd13c862SJeremy Soller static enum led_brightness kb_led_get(struct led_classdev *led)
323fd13c862SJeremy Soller {
324fd13c862SJeremy Soller struct system76_data *data;
325fd13c862SJeremy Soller
326fd13c862SJeremy Soller data = container_of(led, struct system76_data, kb_led);
327fd13c862SJeremy Soller return data->kb_brightness;
328fd13c862SJeremy Soller }
329fd13c862SJeremy Soller
330fd13c862SJeremy Soller // Set the keyboard LED brightness
kb_led_set(struct led_classdev * led,enum led_brightness value)3315b36398dSNick Shipp static int kb_led_set(struct led_classdev *led, enum led_brightness value)
332fd13c862SJeremy Soller {
333fd13c862SJeremy Soller struct system76_data *data;
334fd13c862SJeremy Soller
335fd13c862SJeremy Soller data = container_of(led, struct system76_data, kb_led);
336fd13c862SJeremy Soller data->kb_brightness = value;
337*5d36931fSTim Crawford if (acpi_has_method(acpi_device_handle(data->acpi_dev), "GKBK")) {
338*5d36931fSTim Crawford return system76_set(data, "SKBB", (int)data->kb_brightness);
339*5d36931fSTim Crawford } else {
3405b36398dSNick Shipp return system76_set(data, "SKBL", (int)data->kb_brightness);
341fd13c862SJeremy Soller }
342*5d36931fSTim Crawford }
343fd13c862SJeremy Soller
344fd13c862SJeremy Soller // Get the last set keyboard LED color
kb_led_color_show(struct device * dev,struct device_attribute * dev_attr,char * buf)345fd13c862SJeremy Soller static ssize_t kb_led_color_show(
346fd13c862SJeremy Soller struct device *dev,
347fd13c862SJeremy Soller struct device_attribute *dev_attr,
348fd13c862SJeremy Soller char *buf)
349fd13c862SJeremy Soller {
350fd13c862SJeremy Soller struct led_classdev *led;
351fd13c862SJeremy Soller struct system76_data *data;
352fd13c862SJeremy Soller
35350d88b1dSHaowen Bai led = dev_get_drvdata(dev);
354fd13c862SJeremy Soller data = container_of(led, struct system76_data, kb_led);
355603a7dd0STim Crawford return sysfs_emit(buf, "%06X\n", data->kb_color);
356fd13c862SJeremy Soller }
357fd13c862SJeremy Soller
358fd13c862SJeremy Soller // Set the keyboard LED color
kb_led_color_store(struct device * dev,struct device_attribute * dev_attr,const char * buf,size_t size)359fd13c862SJeremy Soller static ssize_t kb_led_color_store(
360fd13c862SJeremy Soller struct device *dev,
361fd13c862SJeremy Soller struct device_attribute *dev_attr,
362fd13c862SJeremy Soller const char *buf,
363fd13c862SJeremy Soller size_t size)
364fd13c862SJeremy Soller {
365fd13c862SJeremy Soller struct led_classdev *led;
366fd13c862SJeremy Soller struct system76_data *data;
367fd13c862SJeremy Soller unsigned int val;
368fd13c862SJeremy Soller int ret;
369fd13c862SJeremy Soller
37050d88b1dSHaowen Bai led = dev_get_drvdata(dev);
371fd13c862SJeremy Soller data = container_of(led, struct system76_data, kb_led);
372fd13c862SJeremy Soller ret = kstrtouint(buf, 16, &val);
373fd13c862SJeremy Soller if (ret)
374fd13c862SJeremy Soller return ret;
375fd13c862SJeremy Soller if (val > 0xFFFFFF)
376fd13c862SJeremy Soller return -EINVAL;
377fd13c862SJeremy Soller data->kb_color = (int)val;
378fd13c862SJeremy Soller system76_set(data, "SKBC", data->kb_color);
379fd13c862SJeremy Soller
380fd13c862SJeremy Soller return size;
381fd13c862SJeremy Soller }
382fd13c862SJeremy Soller
383603a7dd0STim Crawford static struct device_attribute dev_attr_kb_led_color = {
384fd13c862SJeremy Soller .attr = {
385fd13c862SJeremy Soller .name = "color",
386fd13c862SJeremy Soller .mode = 0644,
387fd13c862SJeremy Soller },
388fd13c862SJeremy Soller .show = kb_led_color_show,
389fd13c862SJeremy Soller .store = kb_led_color_store,
390fd13c862SJeremy Soller };
391fd13c862SJeremy Soller
392603a7dd0STim Crawford static struct attribute *system76_kb_led_color_attrs[] = {
393603a7dd0STim Crawford &dev_attr_kb_led_color.attr,
394603a7dd0STim Crawford NULL,
395603a7dd0STim Crawford };
396603a7dd0STim Crawford
397603a7dd0STim Crawford ATTRIBUTE_GROUPS(system76_kb_led_color);
398603a7dd0STim Crawford
399fd13c862SJeremy Soller // Notify that the keyboard LED was changed by hardware
kb_led_notify(struct system76_data * data)400fd13c862SJeremy Soller static void kb_led_notify(struct system76_data *data)
401fd13c862SJeremy Soller {
402fd13c862SJeremy Soller led_classdev_notify_brightness_hw_changed(
403fd13c862SJeremy Soller &data->kb_led,
404fd13c862SJeremy Soller data->kb_brightness
405fd13c862SJeremy Soller );
406fd13c862SJeremy Soller }
407fd13c862SJeremy Soller
408fd13c862SJeremy Soller // Read keyboard LED brightness as set by hardware
kb_led_hotkey_hardware(struct system76_data * data)409fd13c862SJeremy Soller static void kb_led_hotkey_hardware(struct system76_data *data)
410fd13c862SJeremy Soller {
411fd13c862SJeremy Soller int value;
412fd13c862SJeremy Soller
413*5d36931fSTim Crawford if (acpi_has_method(acpi_device_handle(data->acpi_dev), "GKBK")) {
414*5d36931fSTim Crawford value = system76_get(data, "GKBB");
415*5d36931fSTim Crawford } else {
416fd13c862SJeremy Soller value = system76_get(data, "GKBL");
417*5d36931fSTim Crawford }
418*5d36931fSTim Crawford
419fd13c862SJeremy Soller if (value < 0)
420fd13c862SJeremy Soller return;
421fd13c862SJeremy Soller data->kb_brightness = value;
422fd13c862SJeremy Soller kb_led_notify(data);
423fd13c862SJeremy Soller }
424fd13c862SJeremy Soller
425fd13c862SJeremy Soller // Toggle the keyboard LED
kb_led_hotkey_toggle(struct system76_data * data)426fd13c862SJeremy Soller static void kb_led_hotkey_toggle(struct system76_data *data)
427fd13c862SJeremy Soller {
428fd13c862SJeremy Soller if (data->kb_brightness > 0) {
429fd13c862SJeremy Soller data->kb_toggle_brightness = data->kb_brightness;
430fd13c862SJeremy Soller kb_led_set(&data->kb_led, 0);
431fd13c862SJeremy Soller } else {
432fd13c862SJeremy Soller kb_led_set(&data->kb_led, data->kb_toggle_brightness);
433fd13c862SJeremy Soller }
434fd13c862SJeremy Soller kb_led_notify(data);
435fd13c862SJeremy Soller }
436fd13c862SJeremy Soller
437fd13c862SJeremy Soller // Decrease the keyboard LED brightness
kb_led_hotkey_down(struct system76_data * data)438fd13c862SJeremy Soller static void kb_led_hotkey_down(struct system76_data *data)
439fd13c862SJeremy Soller {
440fd13c862SJeremy Soller int i;
441fd13c862SJeremy Soller
442fd13c862SJeremy Soller if (data->kb_brightness > 0) {
443fd13c862SJeremy Soller for (i = ARRAY_SIZE(kb_levels); i > 0; i--) {
444fd13c862SJeremy Soller if (kb_levels[i - 1] < data->kb_brightness) {
445fd13c862SJeremy Soller kb_led_set(&data->kb_led, kb_levels[i - 1]);
446fd13c862SJeremy Soller break;
447fd13c862SJeremy Soller }
448fd13c862SJeremy Soller }
449fd13c862SJeremy Soller } else {
450fd13c862SJeremy Soller kb_led_set(&data->kb_led, data->kb_toggle_brightness);
451fd13c862SJeremy Soller }
452fd13c862SJeremy Soller kb_led_notify(data);
453fd13c862SJeremy Soller }
454fd13c862SJeremy Soller
455fd13c862SJeremy Soller // Increase the keyboard LED brightness
kb_led_hotkey_up(struct system76_data * data)456fd13c862SJeremy Soller static void kb_led_hotkey_up(struct system76_data *data)
457fd13c862SJeremy Soller {
458fd13c862SJeremy Soller int i;
459fd13c862SJeremy Soller
460fd13c862SJeremy Soller if (data->kb_brightness > 0) {
461fd13c862SJeremy Soller for (i = 0; i < ARRAY_SIZE(kb_levels); i++) {
462fd13c862SJeremy Soller if (kb_levels[i] > data->kb_brightness) {
463fd13c862SJeremy Soller kb_led_set(&data->kb_led, kb_levels[i]);
464fd13c862SJeremy Soller break;
465fd13c862SJeremy Soller }
466fd13c862SJeremy Soller }
467fd13c862SJeremy Soller } else {
468fd13c862SJeremy Soller kb_led_set(&data->kb_led, data->kb_toggle_brightness);
469fd13c862SJeremy Soller }
470fd13c862SJeremy Soller kb_led_notify(data);
471fd13c862SJeremy Soller }
472fd13c862SJeremy Soller
473fd13c862SJeremy Soller // Cycle the keyboard LED color
kb_led_hotkey_color(struct system76_data * data)474fd13c862SJeremy Soller static void kb_led_hotkey_color(struct system76_data *data)
475fd13c862SJeremy Soller {
476fd13c862SJeremy Soller int i;
477fd13c862SJeremy Soller
478*5d36931fSTim Crawford if (data->kbled_type != KBLED_RGB)
479fd13c862SJeremy Soller return;
480*5d36931fSTim Crawford
481fd13c862SJeremy Soller if (data->kb_brightness > 0) {
482fd13c862SJeremy Soller for (i = 0; i < ARRAY_SIZE(kb_colors); i++) {
483fd13c862SJeremy Soller if (kb_colors[i] == data->kb_color)
484fd13c862SJeremy Soller break;
485fd13c862SJeremy Soller }
486fd13c862SJeremy Soller i += 1;
487fd13c862SJeremy Soller if (i >= ARRAY_SIZE(kb_colors))
488fd13c862SJeremy Soller i = 0;
489fd13c862SJeremy Soller data->kb_color = kb_colors[i];
490fd13c862SJeremy Soller system76_set(data, "SKBC", data->kb_color);
491fd13c862SJeremy Soller } else {
492fd13c862SJeremy Soller kb_led_set(&data->kb_led, data->kb_toggle_brightness);
493fd13c862SJeremy Soller }
494fd13c862SJeremy Soller kb_led_notify(data);
495fd13c862SJeremy Soller }
496fd13c862SJeremy Soller
thermal_is_visible(const void * drvdata,enum hwmon_sensor_types type,u32 attr,int channel)49795563d45SJeremy Soller static umode_t thermal_is_visible(const void *drvdata, enum hwmon_sensor_types type,
49895563d45SJeremy Soller u32 attr, int channel)
49995563d45SJeremy Soller {
50095563d45SJeremy Soller const struct system76_data *data = drvdata;
50195563d45SJeremy Soller
50295563d45SJeremy Soller switch (type) {
50395563d45SJeremy Soller case hwmon_fan:
50495563d45SJeremy Soller case hwmon_pwm:
50595563d45SJeremy Soller if (system76_name(data->nfan, channel))
50695563d45SJeremy Soller return 0444;
50795563d45SJeremy Soller break;
50895563d45SJeremy Soller
50995563d45SJeremy Soller case hwmon_temp:
51095563d45SJeremy Soller if (system76_name(data->ntmp, channel))
51195563d45SJeremy Soller return 0444;
51295563d45SJeremy Soller break;
51395563d45SJeremy Soller
51495563d45SJeremy Soller default:
51595563d45SJeremy Soller return 0;
51695563d45SJeremy Soller }
51795563d45SJeremy Soller
51895563d45SJeremy Soller return 0;
51995563d45SJeremy Soller }
52095563d45SJeremy Soller
thermal_read(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long * val)52195563d45SJeremy Soller static int thermal_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
52295563d45SJeremy Soller int channel, long *val)
52395563d45SJeremy Soller {
52495563d45SJeremy Soller struct system76_data *data = dev_get_drvdata(dev);
52595563d45SJeremy Soller int raw;
52695563d45SJeremy Soller
52795563d45SJeremy Soller switch (type) {
52895563d45SJeremy Soller case hwmon_fan:
52995563d45SJeremy Soller if (attr == hwmon_fan_input) {
53095563d45SJeremy Soller raw = system76_get_index(data, "GFAN", channel);
53195563d45SJeremy Soller if (raw < 0)
53295563d45SJeremy Soller return raw;
53395563d45SJeremy Soller *val = (raw >> 8) & 0xFFFF;
53495563d45SJeremy Soller return 0;
53595563d45SJeremy Soller }
53695563d45SJeremy Soller break;
53795563d45SJeremy Soller
53895563d45SJeremy Soller case hwmon_pwm:
53995563d45SJeremy Soller if (attr == hwmon_pwm_input) {
54095563d45SJeremy Soller raw = system76_get_index(data, "GFAN", channel);
54195563d45SJeremy Soller if (raw < 0)
54295563d45SJeremy Soller return raw;
54395563d45SJeremy Soller *val = raw & 0xFF;
54495563d45SJeremy Soller return 0;
54595563d45SJeremy Soller }
54695563d45SJeremy Soller break;
54795563d45SJeremy Soller
54895563d45SJeremy Soller case hwmon_temp:
54995563d45SJeremy Soller if (attr == hwmon_temp_input) {
55095563d45SJeremy Soller raw = system76_get_index(data, "GTMP", channel);
55195563d45SJeremy Soller if (raw < 0)
55295563d45SJeremy Soller return raw;
55395563d45SJeremy Soller *val = raw * 1000;
55495563d45SJeremy Soller return 0;
55595563d45SJeremy Soller }
55695563d45SJeremy Soller break;
55795563d45SJeremy Soller
55895563d45SJeremy Soller default:
55995563d45SJeremy Soller return -EOPNOTSUPP;
56095563d45SJeremy Soller }
56195563d45SJeremy Soller
56295563d45SJeremy Soller return -EOPNOTSUPP;
56395563d45SJeremy Soller }
56495563d45SJeremy Soller
thermal_read_string(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,const char ** str)56595563d45SJeremy Soller static int thermal_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr,
56695563d45SJeremy Soller int channel, const char **str)
56795563d45SJeremy Soller {
56895563d45SJeremy Soller struct system76_data *data = dev_get_drvdata(dev);
56995563d45SJeremy Soller
57095563d45SJeremy Soller switch (type) {
57195563d45SJeremy Soller case hwmon_fan:
57295563d45SJeremy Soller if (attr == hwmon_fan_label) {
57395563d45SJeremy Soller *str = system76_name(data->nfan, channel);
57495563d45SJeremy Soller if (*str)
57595563d45SJeremy Soller return 0;
57695563d45SJeremy Soller }
57795563d45SJeremy Soller break;
57895563d45SJeremy Soller
57995563d45SJeremy Soller case hwmon_temp:
58095563d45SJeremy Soller if (attr == hwmon_temp_label) {
58195563d45SJeremy Soller *str = system76_name(data->ntmp, channel);
58295563d45SJeremy Soller if (*str)
58395563d45SJeremy Soller return 0;
58495563d45SJeremy Soller }
58595563d45SJeremy Soller break;
58695563d45SJeremy Soller
58795563d45SJeremy Soller default:
58895563d45SJeremy Soller return -EOPNOTSUPP;
58995563d45SJeremy Soller }
59095563d45SJeremy Soller
59195563d45SJeremy Soller return -EOPNOTSUPP;
59295563d45SJeremy Soller }
59395563d45SJeremy Soller
59495563d45SJeremy Soller static const struct hwmon_ops thermal_ops = {
59595563d45SJeremy Soller .is_visible = thermal_is_visible,
59695563d45SJeremy Soller .read = thermal_read,
59795563d45SJeremy Soller .read_string = thermal_read_string,
59895563d45SJeremy Soller };
59995563d45SJeremy Soller
60095563d45SJeremy Soller // Allocate up to 8 fans and temperatures
601ddd4e9d7SKrzysztof Kozlowski static const struct hwmon_channel_info * const thermal_channel_info[] = {
60295563d45SJeremy Soller HWMON_CHANNEL_INFO(fan,
60395563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
60495563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
60595563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
60695563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
60795563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
60895563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
60995563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL,
61095563d45SJeremy Soller HWMON_F_INPUT | HWMON_F_LABEL),
61195563d45SJeremy Soller HWMON_CHANNEL_INFO(pwm,
61295563d45SJeremy Soller HWMON_PWM_INPUT,
61395563d45SJeremy Soller HWMON_PWM_INPUT,
61495563d45SJeremy Soller HWMON_PWM_INPUT,
61595563d45SJeremy Soller HWMON_PWM_INPUT,
61695563d45SJeremy Soller HWMON_PWM_INPUT,
61795563d45SJeremy Soller HWMON_PWM_INPUT,
61895563d45SJeremy Soller HWMON_PWM_INPUT,
61995563d45SJeremy Soller HWMON_PWM_INPUT),
62095563d45SJeremy Soller HWMON_CHANNEL_INFO(temp,
62195563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62295563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62395563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62495563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62595563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62695563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62795563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL,
62895563d45SJeremy Soller HWMON_T_INPUT | HWMON_T_LABEL),
62995563d45SJeremy Soller NULL
63095563d45SJeremy Soller };
63195563d45SJeremy Soller
63295563d45SJeremy Soller static const struct hwmon_chip_info thermal_chip_info = {
63395563d45SJeremy Soller .ops = &thermal_ops,
63495563d45SJeremy Soller .info = thermal_channel_info,
63595563d45SJeremy Soller };
63695563d45SJeremy Soller
input_key(struct system76_data * data,unsigned int code)6370de30fc6SJeremy Soller static void input_key(struct system76_data *data, unsigned int code)
6380de30fc6SJeremy Soller {
6390de30fc6SJeremy Soller input_report_key(data->input, code, 1);
6400de30fc6SJeremy Soller input_sync(data->input);
6410de30fc6SJeremy Soller
6420de30fc6SJeremy Soller input_report_key(data->input, code, 0);
6430de30fc6SJeremy Soller input_sync(data->input);
6440de30fc6SJeremy Soller }
6450de30fc6SJeremy Soller
646fd13c862SJeremy Soller // Handle ACPI notification
system76_notify(struct acpi_device * acpi_dev,u32 event)647fd13c862SJeremy Soller static void system76_notify(struct acpi_device *acpi_dev, u32 event)
648fd13c862SJeremy Soller {
649fd13c862SJeremy Soller struct system76_data *data;
650fd13c862SJeremy Soller
651fd13c862SJeremy Soller data = acpi_driver_data(acpi_dev);
652fd13c862SJeremy Soller switch (event) {
653fd13c862SJeremy Soller case 0x80:
654fd13c862SJeremy Soller kb_led_hotkey_hardware(data);
655fd13c862SJeremy Soller break;
656fd13c862SJeremy Soller case 0x81:
657fd13c862SJeremy Soller kb_led_hotkey_toggle(data);
658fd13c862SJeremy Soller break;
659fd13c862SJeremy Soller case 0x82:
660fd13c862SJeremy Soller kb_led_hotkey_down(data);
661fd13c862SJeremy Soller break;
662fd13c862SJeremy Soller case 0x83:
663fd13c862SJeremy Soller kb_led_hotkey_up(data);
664fd13c862SJeremy Soller break;
665fd13c862SJeremy Soller case 0x84:
666fd13c862SJeremy Soller kb_led_hotkey_color(data);
667fd13c862SJeremy Soller break;
6680de30fc6SJeremy Soller case 0x85:
6690de30fc6SJeremy Soller input_key(data, KEY_SCREENLOCK);
6700de30fc6SJeremy Soller break;
671fd13c862SJeremy Soller }
672fd13c862SJeremy Soller }
673fd13c862SJeremy Soller
674fd13c862SJeremy Soller // Add a System76 ACPI device
system76_add(struct acpi_device * acpi_dev)675fd13c862SJeremy Soller static int system76_add(struct acpi_device *acpi_dev)
676fd13c862SJeremy Soller {
677fd13c862SJeremy Soller struct system76_data *data;
678fd13c862SJeremy Soller int err;
679fd13c862SJeremy Soller
680fd13c862SJeremy Soller data = devm_kzalloc(&acpi_dev->dev, sizeof(*data), GFP_KERNEL);
681fd13c862SJeremy Soller if (!data)
682fd13c862SJeremy Soller return -ENOMEM;
683fd13c862SJeremy Soller acpi_dev->driver_data = data;
684fd13c862SJeremy Soller data->acpi_dev = acpi_dev;
685fd13c862SJeremy Soller
686c4499272STim Crawford // Some models do not run open EC firmware. Check for an ACPI method
687c4499272STim Crawford // that only exists on open EC to guard functionality specific to it.
688c4499272STim Crawford data->has_open_ec = acpi_has_method(acpi_device_handle(data->acpi_dev), "NFAN");
689c4499272STim Crawford
690fd13c862SJeremy Soller err = system76_get(data, "INIT");
691fd13c862SJeremy Soller if (err)
692fd13c862SJeremy Soller return err;
693fd13c862SJeremy Soller data->ap_led.name = "system76_acpi::airplane";
694fd13c862SJeremy Soller data->ap_led.flags = LED_CORE_SUSPENDRESUME;
695fd13c862SJeremy Soller data->ap_led.brightness_get = ap_led_get;
6965b36398dSNick Shipp data->ap_led.brightness_set_blocking = ap_led_set;
697fd13c862SJeremy Soller data->ap_led.max_brightness = 1;
698fd13c862SJeremy Soller data->ap_led.default_trigger = "rfkill-none";
699fd13c862SJeremy Soller err = devm_led_classdev_register(&acpi_dev->dev, &data->ap_led);
700fd13c862SJeremy Soller if (err)
701fd13c862SJeremy Soller return err;
702fd13c862SJeremy Soller
703fd13c862SJeremy Soller data->kb_led.name = "system76_acpi::kbd_backlight";
704fd13c862SJeremy Soller data->kb_led.flags = LED_BRIGHT_HW_CHANGED | LED_CORE_SUSPENDRESUME;
705fd13c862SJeremy Soller data->kb_led.brightness_get = kb_led_get;
7065b36398dSNick Shipp data->kb_led.brightness_set_blocking = kb_led_set;
707*5d36931fSTim Crawford if (acpi_has_method(acpi_device_handle(data->acpi_dev), "GKBK")) {
708*5d36931fSTim Crawford // Use the new ACPI methods
709*5d36931fSTim Crawford data->kbled_type = system76_get(data, "GKBK");
710*5d36931fSTim Crawford
711*5d36931fSTim Crawford switch (data->kbled_type) {
712*5d36931fSTim Crawford case KBLED_NONE:
713*5d36931fSTim Crawford // Nothing to do: Device will not be registered.
714*5d36931fSTim Crawford break;
715*5d36931fSTim Crawford case KBLED_WHITE:
716*5d36931fSTim Crawford data->kb_led.max_brightness = 255;
717*5d36931fSTim Crawford data->kb_toggle_brightness = 72;
718*5d36931fSTim Crawford break;
719*5d36931fSTim Crawford case KBLED_RGB:
720*5d36931fSTim Crawford data->kb_led.max_brightness = 255;
721*5d36931fSTim Crawford data->kb_led.groups = system76_kb_led_color_groups;
722*5d36931fSTim Crawford data->kb_toggle_brightness = 72;
723*5d36931fSTim Crawford data->kb_color = 0xffffff;
724*5d36931fSTim Crawford system76_set(data, "SKBC", data->kb_color);
725*5d36931fSTim Crawford break;
726*5d36931fSTim Crawford }
727*5d36931fSTim Crawford } else {
728*5d36931fSTim Crawford // Use the old ACPI methods
729fd13c862SJeremy Soller if (acpi_has_method(acpi_device_handle(data->acpi_dev), "SKBC")) {
730*5d36931fSTim Crawford data->kbled_type = KBLED_RGB;
731fd13c862SJeremy Soller data->kb_led.max_brightness = 255;
732603a7dd0STim Crawford data->kb_led.groups = system76_kb_led_color_groups;
733fd13c862SJeremy Soller data->kb_toggle_brightness = 72;
734fd13c862SJeremy Soller data->kb_color = 0xffffff;
735fd13c862SJeremy Soller system76_set(data, "SKBC", data->kb_color);
736fd13c862SJeremy Soller } else {
737*5d36931fSTim Crawford data->kbled_type = KBLED_WHITE;
738fd13c862SJeremy Soller data->kb_led.max_brightness = 5;
739fd13c862SJeremy Soller }
740*5d36931fSTim Crawford }
741*5d36931fSTim Crawford
742*5d36931fSTim Crawford if (data->kbled_type != KBLED_NONE) {
743fd13c862SJeremy Soller err = devm_led_classdev_register(&acpi_dev->dev, &data->kb_led);
744fd13c862SJeremy Soller if (err)
745fd13c862SJeremy Soller return err;
746*5d36931fSTim Crawford }
747fd13c862SJeremy Soller
7480de30fc6SJeremy Soller data->input = devm_input_allocate_device(&acpi_dev->dev);
7490de30fc6SJeremy Soller if (!data->input)
7500de30fc6SJeremy Soller return -ENOMEM;
7510de30fc6SJeremy Soller
7520de30fc6SJeremy Soller data->input->name = "System76 ACPI Hotkeys";
7530de30fc6SJeremy Soller data->input->phys = "system76_acpi/input0";
7540de30fc6SJeremy Soller data->input->id.bustype = BUS_HOST;
7550de30fc6SJeremy Soller data->input->dev.parent = &acpi_dev->dev;
7560de30fc6SJeremy Soller input_set_capability(data->input, EV_KEY, KEY_SCREENLOCK);
7570de30fc6SJeremy Soller
7580de30fc6SJeremy Soller err = input_register_device(data->input);
7590de30fc6SJeremy Soller if (err)
7600de30fc6SJeremy Soller goto error;
7610de30fc6SJeremy Soller
762c4499272STim Crawford if (data->has_open_ec) {
76395563d45SJeremy Soller err = system76_get_object(data, "NFAN", &data->nfan);
76495563d45SJeremy Soller if (err)
76595563d45SJeremy Soller goto error;
76695563d45SJeremy Soller
76795563d45SJeremy Soller err = system76_get_object(data, "NTMP", &data->ntmp);
76895563d45SJeremy Soller if (err)
76995563d45SJeremy Soller goto error;
77095563d45SJeremy Soller
77195563d45SJeremy Soller data->therm = devm_hwmon_device_register_with_info(&acpi_dev->dev,
77295563d45SJeremy Soller "system76_acpi", data, &thermal_chip_info, NULL);
77395563d45SJeremy Soller err = PTR_ERR_OR_ZERO(data->therm);
77495563d45SJeremy Soller if (err)
77595563d45SJeremy Soller goto error;
77695563d45SJeremy Soller
77776f7eba3STim Crawford system76_battery_init();
778c4499272STim Crawford }
77976f7eba3STim Crawford
780fd13c862SJeremy Soller return 0;
78195563d45SJeremy Soller
78295563d45SJeremy Soller error:
783c4499272STim Crawford if (data->has_open_ec) {
78495563d45SJeremy Soller kfree(data->ntmp);
78595563d45SJeremy Soller kfree(data->nfan);
786c4499272STim Crawford }
78795563d45SJeremy Soller return err;
788fd13c862SJeremy Soller }
789fd13c862SJeremy Soller
790fd13c862SJeremy Soller // Remove a System76 ACPI device
system76_remove(struct acpi_device * acpi_dev)7916c0eb5baSDawei Li static void system76_remove(struct acpi_device *acpi_dev)
792fd13c862SJeremy Soller {
793fd13c862SJeremy Soller struct system76_data *data;
794fd13c862SJeremy Soller
795fd13c862SJeremy Soller data = acpi_driver_data(acpi_dev);
79676f7eba3STim Crawford
797c4499272STim Crawford if (data->has_open_ec) {
79876f7eba3STim Crawford system76_battery_exit();
799c4499272STim Crawford kfree(data->nfan);
800c4499272STim Crawford kfree(data->ntmp);
801c4499272STim Crawford }
80276f7eba3STim Crawford
803fd13c862SJeremy Soller devm_led_classdev_unregister(&acpi_dev->dev, &data->ap_led);
804fd13c862SJeremy Soller devm_led_classdev_unregister(&acpi_dev->dev, &data->kb_led);
805fd13c862SJeremy Soller
806fd13c862SJeremy Soller system76_get(data, "FINI");
807fd13c862SJeremy Soller }
808fd13c862SJeremy Soller
809fd13c862SJeremy Soller static struct acpi_driver system76_driver = {
810fd13c862SJeremy Soller .name = "System76 ACPI Driver",
811fd13c862SJeremy Soller .class = "hotkey",
812fd13c862SJeremy Soller .ids = device_ids,
813fd13c862SJeremy Soller .ops = {
814fd13c862SJeremy Soller .add = system76_add,
815fd13c862SJeremy Soller .remove = system76_remove,
816fd13c862SJeremy Soller .notify = system76_notify,
817fd13c862SJeremy Soller },
818fd13c862SJeremy Soller };
819fd13c862SJeremy Soller module_acpi_driver(system76_driver);
820fd13c862SJeremy Soller
821fd13c862SJeremy Soller MODULE_DESCRIPTION("System76 ACPI Driver");
822fd13c862SJeremy Soller MODULE_AUTHOR("Jeremy Soller <jeremy@system76.com>");
823fd13c862SJeremy Soller MODULE_LICENSE("GPL");
824