diff options
Diffstat (limited to 'board/flapjack/led.c')
| -rw-r--r-- | board/flapjack/led.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/board/flapjack/led.c b/board/flapjack/led.c deleted file mode 100644 index 165d549eb7..0000000000 --- a/board/flapjack/led.c +++ /dev/null @@ -1,182 +0,0 @@ -/* Copyright 2019 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. - * - * Battery LED control for Flapjack board. - */ - -#include "battery.h" -#include "charge_state.h" -#include "console.h" -#include "driver/charger/rt946x.h" -#include "hooks.h" -#include "led_common.h" -#include "util.h" - -/* Define this to enable led command and debug LED */ -#undef DEBUG_LED - -const enum ec_led_id supported_led_ids[] = { EC_LED_ID_BATTERY_LED }; - -const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); - -#define LED_OFF MT6370_LED_ID_OFF -#define LED_RED MT6370_LED_ID1 -#define LED_GRN MT6370_LED_ID2 -#define LED_BLU MT6370_LED_ID3 - -#define LED_MASK_OFF 0 -#define LED_MASK_RED MT6370_MASK_RGB_ISNK1DIM_EN -#define LED_MASK_GRN MT6370_MASK_RGB_ISNK2DIM_EN -#define LED_MASK_BLU MT6370_MASK_RGB_ISNK3DIM_EN - -static enum charge_state chstate; - -static void led_set_battery(void) -{ - static enum charge_state prev = PWR_STATE_UNCHANGE; - static int battery_second; - int red = 0, grn = 0, blu = 0; - - battery_second++; -#ifndef DEBUG_LED - chstate = charge_get_state(); -#endif - if (chstate == prev) - return; - prev = chstate; - - /* - * Full White - * Charging Amber - * Error Red - */ - switch (chstate) { - case PWR_STATE_CHARGE: - /* RGB(current, duty) = (4mA,10/32) (4mA,1/32) (0mA,) */ - red = 1; - grn = 1; - mt6370_led_set_pwm_dim_duty(LED_RED, 9); - mt6370_led_set_pwm_dim_duty(LED_GRN, 0); - break; - case PWR_STATE_DISCHARGE: - /* RGB(current, duty) = (0mA,) (0mA,) (0mA,) */ - break; - case PWR_STATE_ERROR: - /* RGB(current, duty) = (4mA,8/32) (0mA,) (0mA,) */ - red = 1; - mt6370_led_set_pwm_dim_duty(LED_RED, 7); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - /* RGB(current, duty) = (8mA,2/32) (8mA,1/32) (4mA,1/32) */ - red = 2; - grn = 2; - blu = 1; - mt6370_led_set_pwm_dim_duty(LED_RED, 1); - mt6370_led_set_pwm_dim_duty(LED_GRN, 0); - mt6370_led_set_pwm_dim_duty(LED_BLU, 0); - break; - default: - /* Other states don't alter LED behavior */ - return; - } - - mt6370_led_set_brightness(LED_RED, red); - mt6370_led_set_brightness(LED_GRN, grn); - mt6370_led_set_brightness(LED_BLU, blu); -} - -void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) -{ - /* Current is fixed at 4mA. Brightness is controlled by duty only. */ - const uint8_t max = MT6370_LED_PWM_DIMDUTY_MAX; - if (led_id != EC_LED_ID_BATTERY_LED) - return; - brightness_range[EC_LED_COLOR_GREEN] = max; - brightness_range[EC_LED_COLOR_RED] = max; - brightness_range[EC_LED_COLOR_BLUE] = max; -} - -static void set_current_and_pwm_duty(uint8_t brightness, - enum mt6370_led_index color) -{ - if (brightness) { - /* Current is fixed at 4mA. Brightness is controlled by duty. */ - mt6370_led_set_brightness(color, 1); - mt6370_led_set_pwm_dim_duty(color, brightness); - } else { - /* off */ - mt6370_led_set_brightness(color, 0); - } -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (led_id != EC_LED_ID_BATTERY_LED) - return EC_ERROR_INVAL; - set_current_and_pwm_duty(brightness[EC_LED_COLOR_RED], LED_RED); - set_current_and_pwm_duty(brightness[EC_LED_COLOR_GREEN], LED_GRN); - set_current_and_pwm_duty(brightness[EC_LED_COLOR_BLUE], LED_BLU); - return EC_SUCCESS; -} - -static void flapjack_led_init(void) -{ - const enum mt6370_led_dim_mode dim = MT6370_LED_DIM_MODE_PWM; - const enum mt6370_led_pwm_freq freq = MT6370_LED_PWM_FREQ1000; - mt6370_led_set_color(LED_MASK_RED | LED_MASK_GRN | LED_MASK_BLU); - mt6370_led_set_dim_mode(LED_RED, dim); - mt6370_led_set_dim_mode(LED_GRN, dim); - mt6370_led_set_dim_mode(LED_BLU, dim); - mt6370_led_set_pwm_frequency(LED_RED, freq); - mt6370_led_set_pwm_frequency(LED_GRN, freq); - mt6370_led_set_pwm_frequency(LED_BLU, freq); -} -DECLARE_HOOK(HOOK_INIT, flapjack_led_init, HOOK_PRIO_DEFAULT); - -/* Called by hook task every 1 sec */ -static void led_second(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_set_battery(); -} -DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); - -#ifdef DEBUG_LED -static int command_led(int argc, char **argv) -{ - int val; - char *e; - - mt6370_led_set_color(LED_MASK_RED|LED_MASK_GRN|LED_MASK_BLU); - - if (argc == 2) { - val = strtoi(argv[1], &e, 0); - if (*e) - return EC_ERROR_PARAM1; - chstate = val; - return EC_SUCCESS; - } - - if (argc < 4) - return EC_ERROR_PARAM_COUNT; - - val = strtoi(argv[1], &e, 0); - if (*e) - return EC_ERROR_PARAM1; - mt6370_led_set_brightness(LED_RED, val); - - val = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - mt6370_led_set_brightness(LED_GRN, val); - - val = strtoi(argv[3], &e, 0); - if (*e) - return EC_ERROR_PARAM3; - mt6370_led_set_brightness(LED_BLU, val); - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(led, command_led, "<chg_state> or <R> <G> <B>", NULL); -#endif |