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/* Copyright 2018 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Nocturne specific PWM LED settings. */
#include "common.h"
#include "ec_commands.h"
#include "hooks.h"
#include "led_pwm.h"
#include "pwm.h"
#include "util.h"
const enum ec_led_id supported_led_ids[] = {
EC_LED_ID_LEFT_LED,
EC_LED_ID_RIGHT_LED,
};
const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
struct pwm_led_color_map led_color_map_v3[EC_LED_COLOR_COUNT] = {
/* Red, Green, Blue */
[EC_LED_COLOR_RED] = { 36, 0, 0 },
[EC_LED_COLOR_GREEN] = { 0, 15, 0 },
[EC_LED_COLOR_BLUE] = { 0, 0, 100 },
[EC_LED_COLOR_YELLOW] = { 36, 15, 0 },
[EC_LED_COLOR_WHITE] = { 30, 9, 15 },
[EC_LED_COLOR_AMBER] = { 30, 1, 0 },
};
/* Map for board rev 2 */
struct pwm_led_color_map led_color_map_v2[EC_LED_COLOR_COUNT] = {
/* Red, Green, Blue */
[EC_LED_COLOR_RED] = { 62, 0, 0 },
[EC_LED_COLOR_GREEN] = { 0, 31, 0 },
[EC_LED_COLOR_BLUE] = { 0, 0, 100 },
[EC_LED_COLOR_YELLOW] = { 100, 54, 0 },
[EC_LED_COLOR_WHITE] = { 70, 54, 100 },
[EC_LED_COLOR_AMBER] = { 100, 15, 0 },
};
/* Map for board rev 0 and 1 */
struct pwm_led_color_map led_color_map_v0_1[EC_LED_COLOR_COUNT] = {
/* Red, Green, Blue */
[EC_LED_COLOR_RED] = { 1, 0, 0 },
[EC_LED_COLOR_GREEN] = { 0, 1, 0 },
[EC_LED_COLOR_BLUE] = { 0, 0, 1 },
[EC_LED_COLOR_YELLOW] = { 1, 1, 0 },
[EC_LED_COLOR_WHITE] = { 9, 15, 15 },
[EC_LED_COLOR_AMBER] = { 15, 1, 0 },
};
struct pwm_led_color_map led_color_map[EC_LED_COLOR_COUNT] = { { 0 } };
/* Two tri-color LEDs with red, green, and blue channels. */
struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = {
{
.ch0 = PWM_CH_DB0_LED_RED,
.ch1 = PWM_CH_DB0_LED_GREEN,
.ch2 = PWM_CH_DB0_LED_BLUE,
.enable = &pwm_enable,
.set_duty = &pwm_set_duty,
},
{
.ch0 = PWM_CH_DB1_LED_RED,
.ch1 = PWM_CH_DB1_LED_GREEN,
.ch2 = PWM_CH_DB1_LED_BLUE,
.enable = &pwm_enable,
.set_duty = &pwm_set_duty,
},
};
void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
{
brightness_range[EC_LED_COLOR_RED] = 100;
brightness_range[EC_LED_COLOR_GREEN] = 100;
brightness_range[EC_LED_COLOR_YELLOW] = 100;
brightness_range[EC_LED_COLOR_AMBER] = 100;
brightness_range[EC_LED_COLOR_BLUE] = 100;
brightness_range[EC_LED_COLOR_WHITE] = 100;
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
enum pwm_led_id pwm_id;
/* Convert ec_led_id to pwm_led_id. */
if (led_id == EC_LED_ID_LEFT_LED)
pwm_id = PWM_LED0;
else if (led_id == EC_LED_ID_RIGHT_LED)
pwm_id = PWM_LED1;
else
return EC_ERROR_UNKNOWN;
if (brightness[EC_LED_COLOR_RED])
set_pwm_led_color(pwm_id, EC_LED_COLOR_RED);
else if (brightness[EC_LED_COLOR_GREEN])
set_pwm_led_color(pwm_id, EC_LED_COLOR_GREEN);
else if (brightness[EC_LED_COLOR_YELLOW])
set_pwm_led_color(pwm_id, EC_LED_COLOR_YELLOW);
else if (brightness[EC_LED_COLOR_AMBER])
set_pwm_led_color(pwm_id, EC_LED_COLOR_AMBER);
else if (brightness[EC_LED_COLOR_BLUE])
set_pwm_led_color(pwm_id, EC_LED_COLOR_BLUE);
else if (brightness[EC_LED_COLOR_WHITE])
set_pwm_led_color(pwm_id, EC_LED_COLOR_WHITE);
else
/* Otherwise, the "color" is "off". */
set_pwm_led_color(pwm_id, -1);
return EC_SUCCESS;
}
static void fill_led_color_map(struct pwm_led_color_map map[])
{
memcpy(led_color_map, map,
EC_LED_COLOR_COUNT * sizeof(struct pwm_led_color_map));
}
static void select_color_map(void)
{
switch (board_get_version()) {
case 0:
case 1:
fill_led_color_map(led_color_map_v0_1);
break;
case 2:
fill_led_color_map(led_color_map_v2);
break;
default:
fill_led_color_map(led_color_map_v3);
break;
}
}
DECLARE_HOOK(HOOK_INIT, select_color_map, HOOK_PRIO_INIT_PWM-1);
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