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system76-acpi-dkms
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Support for darter keyboard

This commit is contained in:
Jeremy Soller 2019-03-04 13:56:11 -07:00
parent c3cff5fad2
commit 0ef00d922e
1 changed files with 95 additions and 10 deletions
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105
system76-coreboot.c
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@ -20,6 +20,9 @@ struct system76_data {
struct acpi_device * acpi_dev;
struct led_classdev ap_led;
struct led_classdev kb_led;
enum led_brightness kb_brightness;
enum led_brightness kb_toggle_brightness;
int kb_color;
};
static const struct acpi_device_id device_ids[] = {
@ -28,6 +31,25 @@ static const struct acpi_device_id device_ids[] = {
};
MODULE_DEVICE_TABLE(acpi, device_ids);
static const enum led_brightness kb_levels[] = {
48,
72,
96,
144,
192,
255
};
static const int kb_colors[] = {
0xFFFFFF,
0x0000FF,
0xFF0000,
0xFF00FF,
0x00FF00,
0x00FFFF,
0xFFFF00
};
static int system76_get(struct system76_data * data, char * method) {
acpi_handle handle = acpi_device_handle(data->acpi_dev);
@ -79,27 +101,82 @@ static void ap_led_set(struct led_classdev * led, enum led_brightness value) {
static enum led_brightness kb_led_get(struct led_classdev * led) {
struct system76_data * data = container_of(led, struct system76_data, kb_led);
int value = system76_get(data, "GKBL");
if (value > 0) {
return (enum led_brightness)value;
} else {
return LED_OFF;
}
return data->kb_brightness;
}
static void kb_led_set(struct led_classdev * led, enum led_brightness value) {
struct system76_data * data = container_of(led, struct system76_data, kb_led);
system76_set(data, "SKBL", (int)value);
data->kb_brightness = value;
system76_set(data, "SKBL", (int)data->kb_brightness);
}
static void system76_notify(struct acpi_device *acpi_dev, u32 event) {
int i;
struct system76_data * data = acpi_driver_data(acpi_dev);
if (event == 0x80) {
// Keyboard LED change
enum led_brightness value = kb_led_get(&data->kb_led);
led_classdev_notify_brightness_hw_changed(&data->kb_led, value);
int value = system76_get(data, "GKBL");
if (value >= 0) {
data->kb_brightness = value;
led_classdev_notify_brightness_hw_changed(&data->kb_led, data->kb_brightness);
}
} else if (event == 0x81) {
// Backlight toggle
if (data->kb_brightness > 0) {
data->kb_toggle_brightness = data->kb_brightness;
kb_led_set(&data->kb_led, 0);
} else {
kb_led_set(&data->kb_led, data->kb_toggle_brightness);
}
led_classdev_notify_brightness_hw_changed(&data->kb_led, data->kb_brightness);
} else if (event == 0x82) {
// Backlight down
if (data->kb_brightness > 0) {
for (i = sizeof(kb_levels)/sizeof(enum led_brightness); i > 0; i--) {
if (kb_levels[i - 1] < data->kb_brightness) {
kb_led_set(&data->kb_led, kb_levels[i - 1]);
break;
}
}
} else {
kb_led_set(&data->kb_led, data->kb_toggle_brightness);
}
led_classdev_notify_brightness_hw_changed(&data->kb_led, data->kb_brightness);
} else if (event == 0x83) {
// Backlight up
if (data->kb_brightness > 0) {
for (i = 0; i < sizeof(kb_levels)/sizeof(enum led_brightness); i++) {
if (kb_levels[i] > data->kb_brightness) {
kb_led_set(&data->kb_led, kb_levels[i]);
break;
}
}
} else {
kb_led_set(&data->kb_led, data->kb_toggle_brightness);
}
led_classdev_notify_brightness_hw_changed(&data->kb_led, data->kb_brightness);
} else if (event == 0x84) {
// Backlight color
if (data->kb_color >= 0) {
if (data->kb_brightness > 0) {
for (i = 0; i < sizeof(kb_colors)/sizeof(int); i++) {
if (kb_colors[i] == data->kb_color) {
break;
}
}
i += 1;
if (i >= sizeof(kb_colors)/sizeof(int)) {
i = 0;
}
data->kb_color = kb_colors[i];
system76_set(data, "SKBC", data->kb_color);
} else {
kb_led_set(&data->kb_led, data->kb_toggle_brightness);
}
led_classdev_notify_brightness_hw_changed(&data->kb_led, data->kb_brightness);
}
}
}
@ -128,7 +205,15 @@ static int system76_add(struct acpi_device *acpi_dev) {
data->kb_led.flags = LED_BRIGHT_HW_CHANGED | LED_CORE_SUSPENDRESUME;
data->kb_led.brightness_get = kb_led_get;
data->kb_led.brightness_set = kb_led_set;
data->kb_led.max_brightness = 5;
if (acpi_has_method(acpi_device_handle(data->acpi_dev), "SKBC")) {
data->kb_led.max_brightness = 255;
data->kb_toggle_brightness = 72;
data->kb_color = 0xffffff;
system76_set(data, "SKBC", data->kb_color);
} else {
data->kb_led.max_brightness = 5;
data->kb_color = -1;
}
err = devm_led_classdev_register(&acpi_dev->dev, &data->kb_led);
if (err) {
return err;