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Implement delayed init set after boot animation

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This commit is contained in:
Christoffer Sandberg 2020-08-26 10:43:09 +02:00 committed by test
parent 726af039b9
commit a21f854e03
1 changed files with 148 additions and 25 deletions
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173
src/uniwill_keyboard.h
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@ -22,6 +22,7 @@
#include <linux/wmi.h>
#include <linux/workqueue.h>
#include <linux/keyboard.h>
#include <linux/timer.h>
#define UNIWILL_WMI_MGMT_GUID_BA "ABBC0F6D-8EA1-11D1-00A0-C90629100000"
#define UNIWILL_WMI_MGMT_GUID_BB "ABBC0F6E-8EA1-11D1-00A0-C90629100000"
@ -185,6 +186,54 @@ static void uniwill_write_kbd_bl_enable(u8 enable)
if (__uw_ec_write_addr) symbol_put(uw_ec_write_addr);
}
static u32 uniwill_read_kbd_bl_br_state(u8 *brightness_state)
{
union uw_ec_read_return reg_read_return;
u32 result;
uw_ec_read_func *__uw_ec_read_addr;
__uw_ec_read_addr = symbol_get(uw_ec_read_addr);
if (__uw_ec_read_addr) {
__uw_ec_read_addr(0x8c, 0x07, &reg_read_return);
*brightness_state = (reg_read_return.bytes.data_low & 0xf0) >> 4;
result = 0;
} else {
TUXEDO_DEBUG("tuxedo-cc-wmi symbols not found\n");
result = -EIO;
}
return result;
}
static u32 uniwill_read_kbd_bl_rgb(u8 *red, u8 *green, u8 *blue)
{
union uw_ec_read_return reg_read_return;
u32 result;
uw_ec_read_func *__uw_ec_read_addr;
__uw_ec_read_addr = symbol_get(uw_ec_read_addr);
if (__uw_ec_read_addr) {
__uw_ec_read_addr(0x03, 0x18, &reg_read_return);
*red = reg_read_return.bytes.data_low;
__uw_ec_read_addr(0x05, 0x18, &reg_read_return);
*green = reg_read_return.bytes.data_low;
__uw_ec_read_addr(0x08, 0x18, &reg_read_return);
*blue = reg_read_return.bytes.data_low;
result = 0;
} else {
TUXEDO_DEBUG("tuxedo-cc-wmi symbols not found\n");
result = -EIO;
}
if (__uw_ec_read_addr) symbol_put(uw_ec_read_addr);
return result;
}
static void uniwill_write_kbd_bl_rgb(u8 red, u8 green, u8 blue)
{
union uw_ec_write_return reg_write_return;
@ -203,6 +252,7 @@ static void uniwill_write_kbd_bl_rgb(u8 red, u8 green, u8 blue)
__uw_ec_write_addr(0x03, 0x18, red, 0x00, &reg_write_return);
__uw_ec_write_addr(0x05, 0x18, green, 0x00, &reg_write_return);
__uw_ec_write_addr(0x08, 0x18, blue, 0x00, &reg_write_return);
TUXEDO_DEBUG("Wrote color [%0#4x, %0#4x, %0#4x]\n", red, green, blue);
} else {
TUXEDO_DEBUG("tuxedo-cc-wmi symbols not found\n");
}
@ -385,6 +435,101 @@ static struct attribute_group uw_kbd_bl_color_attr_group = {
.attrs = uw_kbd_bl_color_attrs
};
static void uw_kbd_bl_init_set(void)
{
if (uniwill_kbd_bl_type_rgb_single_color) {
// Disable backlight while initializing
// uniwill_write_kbd_bl_enable(0);
// Update keyboard backlight according to the current state
uniwill_write_kbd_bl_state();
}
// Enable keyboard backlight
uniwill_write_kbd_bl_enable(1);
}
// Keep track of previous colors on start, init array with different non-colors
static u32 uw_prev_colors[] = {0x01000000, 0x02000000, 0x03000000};
static u32 uw_prev_colors_size = 3;
static u32 uw_prev_colors_index = 0;
// Timer for checking animation colors
static struct timer_list uw_kbd_bl_init_timer;
static volatile int uw_kbd_bl_check_count = 40;
static int uw_kbd_bl_init_check_interval_ms = 500;
static void uw_kbd_bl_init_ready_check_work_func(struct work_struct *work)
{
u8 uw_cur_red, uw_cur_green, uw_cur_blue;
int i;
bool prev_colors_same;
uniwill_read_kbd_bl_rgb(&uw_cur_red, &uw_cur_green, &uw_cur_blue);
uw_prev_colors[uw_prev_colors_index] = (uw_cur_red << 0x10) | (uw_cur_green << 0x08) | uw_cur_blue;
uw_prev_colors_index = (uw_prev_colors_index + 1) % uw_prev_colors_size;
TUXEDO_DEBUG("uw kbd bl check count %d\n", uw_kbd_bl_check_count);
prev_colors_same = true;
for (i = 1; i < uw_prev_colors_size; ++i) {
if (uw_prev_colors[i-1] != uw_prev_colors[i]) prev_colors_same = false;
}
if (prev_colors_same) {
TUXEDO_DEBUG("uw kbd bl init\n");
uw_kbd_bl_init_set();
del_timer(&uw_kbd_bl_init_timer);
} else {
if (uw_kbd_bl_check_count != 0) {
mod_timer(&uw_kbd_bl_init_timer, jiffies + msecs_to_jiffies(uw_kbd_bl_init_check_interval_ms));
} else {
TUXEDO_DEBUG("uw kbd bl init check timeout\n");
del_timer(&uw_kbd_bl_init_timer);
}
}
uw_kbd_bl_check_count -= 1;
}
static DECLARE_WORK(uw_kbd_bl_init_ready_check_work, uw_kbd_bl_init_ready_check_work_func);
static void uw_kbd_bl_init_ready_check(struct timer_list *t)
{
schedule_work(&uw_kbd_bl_init_ready_check_work);
}
static int uw_kbd_bl_init(struct platform_device *dev)
{
int status = 0;
uniwill_kbd_bl_type_rgb_single_color = dmi_match(DMI_BOARD_NAME, "Polaris15I01");
// Save previous enable state
uniwill_kbd_bl_enable_state_on_start = uniwill_read_kbd_bl_enabled();
if (uniwill_kbd_bl_type_rgb_single_color) {
// Initialize keyboard backlight driver state according to parameters
if (param_brightness > UNIWILL_BRIGHTNESS_MAX) param_brightness = UNIWILL_BRIGHTNESS_DEFAULT;
kbd_led_state_uw.brightness = param_brightness;
if (color_lookup(&color_list, param_color) <= (u32) 0xffffff) kbd_led_state_uw.color = color_lookup(&color_list, param_color);
else kbd_led_state_uw.color = UNIWILL_COLOR_DEFAULT;
// Init sysfs bl attributes group
status = sysfs_create_group(&dev->dev.kobj, &uw_kbd_bl_color_attr_group);
if (status) TUXEDO_ERROR("Failed to create sysfs group\n");
// Start periodic checking of animation, set and enable bl when done
timer_setup(&uw_kbd_bl_init_timer, uw_kbd_bl_init_ready_check, 0);
mod_timer(&uw_kbd_bl_init_timer, jiffies + msecs_to_jiffies(uw_kbd_bl_init_check_interval_ms));
} else {
// For non-RGB versions
// Enable keyboard backlight immediately (should it be disabled)
uniwill_write_kbd_bl_enable(1);
}
return status;
}
static int uniwill_keyboard_probe(struct platform_device *dev)
{
int status;
@ -424,31 +569,7 @@ static int uniwill_keyboard_probe(struct platform_device *dev)
status = register_keyboard_notifier(&keyboard_notifier_block);
uniwill_kbd_bl_type_rgb_single_color = dmi_match(DMI_BOARD_NAME, "Polaris15I01");
// Save previous enable state
uniwill_kbd_bl_enable_state_on_start = uniwill_read_kbd_bl_enabled();
if (uniwill_kbd_bl_type_rgb_single_color) {
// Disable backlight while initializing
uniwill_write_kbd_bl_enable(0);
// Initialize keyboard backlight driver state according to parameters
if (param_brightness > UNIWILL_BRIGHTNESS_MAX) param_brightness = UNIWILL_BRIGHTNESS_DEFAULT;
kbd_led_state_uw.brightness = param_brightness;
if (color_lookup(&color_list, param_color) <= (u32) 0xffffff) kbd_led_state_uw.color = color_lookup(&color_list, param_color);
else kbd_led_state_uw.color = UNIWILL_COLOR_DEFAULT;
// Update keyboard backlight according to the current state
uniwill_write_kbd_bl_state();
// Init sysfs bl attributes group
status = sysfs_create_group(&dev->dev.kobj, &uw_kbd_bl_color_attr_group);
if (status) TUXEDO_ERROR("Failed to create sysfs group\n");
}
// Enable keyboard backlight
uniwill_write_kbd_bl_enable(1);
uw_kbd_bl_init(dev);
return 0;
@ -473,6 +594,8 @@ static int uniwill_keyboard_remove(struct platform_device *dev)
wmi_remove_notify_handler(UNIWILL_WMI_EVENT_GUID_1);
wmi_remove_notify_handler(UNIWILL_WMI_EVENT_GUID_2);
del_timer(&uw_kbd_bl_init_timer);
return 0;
}