diff options
Diffstat (limited to 'board/aleena/led.c')
| -rw-r--r-- | board/aleena/led.c | 169 |
1 files changed, 41 insertions, 128 deletions
diff --git a/board/aleena/led.c b/board/aleena/led.c index 1b9c043043..fc6f427cd2 100644 --- a/board/aleena/led.c +++ b/board/aleena/led.c @@ -1,153 +1,66 @@ /* 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. - * - * LED control for Aleena */ -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" +#include "common.h" #include "ec_commands.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "led_common.h" +#include "led_pwm.h" #include "util.h" -#include "system.h" - -#define BAT_LED_ON 0 -#define BAT_LED_OFF 1 - -const enum ec_led_id supported_led_ids[] = {EC_LED_ID_BATTERY_LED}; +const enum ec_led_id supported_led_ids[] = { + EC_LED_ID_POWER_LED, +}; const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); -enum led_color { - LED_OFF = 0, - LED_AMBER, - LED_WHITE, - LED_COLOR_COUNT /* Number of colors, not a color itself */ +/* + * We only have a blue and an amber LED, so setting any other colour results in + * both LEDs being off. + */ +struct pwm_led led_color_map[EC_LED_COLOR_COUNT] = { + /* Amber, Blue */ + [EC_LED_COLOR_RED] = { 0, 0 }, + [EC_LED_COLOR_GREEN] = { 0, 0 }, + [EC_LED_COLOR_BLUE] = { 0, 100 }, + [EC_LED_COLOR_YELLOW] = { 0, 0 }, + [EC_LED_COLOR_WHITE] = { 0, 0 }, + [EC_LED_COLOR_AMBER] = { 100, 0 }, }; -static int led_set_color_battery(enum led_color color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_BAT_LED_WHITE_L, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_AMBER_L, BAT_LED_OFF); - break; - case LED_WHITE: - gpio_set_level(GPIO_BAT_LED_WHITE_L, BAT_LED_ON); - gpio_set_level(GPIO_BAT_LED_AMBER_L, BAT_LED_OFF); - break; - case LED_AMBER: - gpio_set_level(GPIO_BAT_LED_WHITE_L, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_AMBER_L, BAT_LED_ON); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} +/* One logical LED with amber and blue channels. */ +struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = { + { + PWM_CH_LED1_AMBER, + PWM_CH_LED2_BLUE, + PWM_LED_NO_CHANNEL, + }, +}; void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) { - brightness_range[EC_LED_COLOR_WHITE] = 1; - brightness_range[EC_LED_COLOR_AMBER] = 1; + memset(brightness_range, '\0', + sizeof(*brightness_range) * EC_LED_COLOR_COUNT); + brightness_range[EC_LED_COLOR_AMBER] = 100; + brightness_range[EC_LED_COLOR_BLUE] = 100; } -static int led_set_color(enum ec_led_id led_id, enum led_color color) +int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) { - int rv; + enum pwm_led_id pwm_id; - switch (led_id) { - case EC_LED_ID_BATTERY_LED: - rv = led_set_color_battery(color); - break; - default: + /* Convert ec_led_id to pwm_led_id. */ + if (led_id == EC_LED_ID_POWER_LED) + pwm_id = PWM_LED0; + else return EC_ERROR_UNKNOWN; - } - return rv; -} -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color(led_id, LED_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color(led_id, LED_AMBER); + if (brightness[EC_LED_COLOR_BLUE]) + set_pwm_led_color(pwm_id, EC_LED_COLOR_BLUE); + else if (brightness[EC_LED_COLOR_AMBER]) + set_pwm_led_color(pwm_id, EC_LED_COLOR_AMBER); else - led_set_color(led_id, LED_OFF); + /* Otherwise, the "color" is "off". */ + set_pwm_led_color(pwm_id, -1); return EC_SUCCESS; } - -static void led_set_battery(void) -{ - static int battery_ticks; - static int power_ticks; - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - /* override battery led for system suspend */ - if (chipset_in_state(CHIPSET_STATE_SUSPEND | - CHIPSET_STATE_STANDBY) && - charge_get_state() != PWR_STATE_CHARGE) { - led_set_color_battery(power_ticks++ & 0x4 ? - LED_WHITE : LED_OFF); - return; - } - - power_ticks = 0; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - led_set_color_battery(LED_AMBER); - break; - case PWR_STATE_DISCHARGE_FULL: - if (extpower_is_present()) { - led_set_color_battery(LED_WHITE); - break; - } - /* Intentional fall-through */ - case PWR_STATE_DISCHARGE: - /* - * Blink white light (1 sec on, 1 sec off) - * when battery capacity is less than 10% - */ - if (charge_get_percent() < 10) - led_set_color_battery( - (battery_ticks & 0x4) ? LED_WHITE : LED_OFF); - else - led_set_color_battery(LED_OFF); - break; - case PWR_STATE_ERROR: - led_set_color_battery( - (battery_ticks & 0x2) ? LED_WHITE : LED_OFF); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - led_set_color_battery(LED_WHITE); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) - led_set_color_battery( - (battery_ticks & 0x4) ? LED_AMBER : LED_OFF); - else - led_set_color_battery(LED_WHITE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -/* Called by hook task every TICK */ -static void led_tick(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_set_battery(); -} -DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); |