From eb480d50b0fcd128d1f6c2de81d8c17d6cc3a31a Mon Sep 17 00:00:00 2001 From: Nicolas Boichat Date: Thu, 7 Jun 2018 14:55:49 +0800 Subject: power: Rename mediatek to mt817x BRANCH=none BUG=b:109850749 TEST=make buildall -j Change-Id: I69538a210f9b2198614720537faa3ee75bc0600e Signed-off-by: Nicolas Boichat Reviewed-on: https://chromium-review.googlesource.com/1090522 Reviewed-by: Vincent Palatin --- power/mt817x.c | 810 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 810 insertions(+) create mode 100644 power/mt817x.c (limited to 'power/mt817x.c') diff --git a/power/mt817x.c b/power/mt817x.c new file mode 100644 index 0000000000..37db9fe698 --- /dev/null +++ b/power/mt817x.c @@ -0,0 +1,810 @@ +/* Copyright 2015 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. + */ + +/* + * MT817x SoC power sequencing module for Chrome EC + * + * This implements the following features: + * + * - Cold reset powers on the AP + * + * When powered off: + * - Press pwron turns on the AP + * - Hold pwron turns on the AP, and then 8s later turns it off and leaves + * it off until pwron is released and pressed again + * + * When powered on: + * - The PMIC PWRON signal is released <= 1 second after the power button is + * released + * - Holding pwron for 8s powers off the AP + * - Pressing and releasing pwron within that 8s is ignored + * - If POWER_GOOD is dropped by the AP, then we power the AP off + * - If SUSPEND_L goes low, enter suspend mode. + * + */ + +#include "battery.h" +#include "chipset.h" /* ./common/chipset.c implements chipset functions too */ +#include "common.h" +#include "gpio.h" +#include "hooks.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "power.h" +#include "power_button.h" +#include "power_led.h" +#include "system.h" +#include "task.h" +#include "test_util.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args) + +#define INT_BOTH_PULL_UP (GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH) + +/* masks for power signals */ +#define IN_POWER_GOOD POWER_SIGNAL_MASK(MTK_POWER_GOOD) +#define IN_SUSPEND POWER_SIGNAL_MASK(MTK_SUSPEND_ASSERTED) + +/* Long power key press to force shutdown */ +#define DELAY_FORCE_SHUTDOWN (8000 * MSEC) /* 8 seconds */ + +/* + * The power signal from SoC should be kept at least 50ms. + */ +#define POWER_DEBOUNCE_TIME (50 * MSEC) + +/* + * The suspend signal from SoC should be kept at least 50ms. + */ +#define SUSPEND_DEBOUNCE_TIME (50 * MSEC) + +/* + * The time to bootup the PMIC from power-off to power-on. + */ +#define PMIC_PWRON_PRESS_TIME (5000 * MSEC) + +/* + * The minimum time to assert the PMIC THERM pin is 32us. However, + * it needs to be extended to about 50ms to let the 5V rail + * dissipate fully. + */ +#define PMIC_THERM_HOLD_TIME (50 * MSEC) + +/* + * If the power key is pressed to turn on, then held for this long, we + * power off. + * + * Normal case: User releases power button and chipset_task() goes + * into the inner loop, waiting for next event to occur (power button + * press or POWER_GOOD == 0). + */ +#define DELAY_SHUTDOWN_ON_POWER_HOLD (8000 * MSEC) /* 8 seconds */ + +/* + * The hold time for pulling down the PMIC_WARM_RESET_H pin so that + * the AP can entery the recovery mode (flash SPI flash from USB). + */ +#define PMIC_WARM_RESET_H_HOLD_TIME (4 * MSEC) + +/* + * The hold time for pulling down the SYSTEM_POWER_H pin. + */ +#define PMIC_COLD_RESET_L_HOLD_TIME \ + (SUSPEND_DEBOUNCE_TIME + POWER_DEBOUNCE_TIME + (20 * MSEC)) + +/* + * The first time the PMIC sees power (AC or battery) it needs 200ms (+/-12% + * oscillator tolerance) for the RTC startup. In addition there is a startup + * time of approx. 0.5msec until V2_5 regulator starts up. */ +#define PMIC_RTC_STARTUP (225 * MSEC) + +/* Wait for 5V power source stable */ +#define PMIC_WAIT_FOR_5V_POWER_GOOD (1 * MSEC) + +/* + * If POWER_GOOD is lost, wait for PMIC to turn off its power completely + * before we turn off VBAT by set_system_power(0) + */ +#define PMIC_POWER_OFF_DELAY (50 * MSEC) + +/* TODO(crosbug.com/p/25047): move to HOOK_POWER_BUTTON_CHANGE */ +/* 1 if the power button was pressed last time we checked */ +static char power_button_was_pressed; + +/* 1 if lid-open event has been detected */ +static char lid_opened; + +/* time where we will power off, if power button still held down */ +static timestamp_t power_off_deadline; + +/* force AP power on (used for recovery keypress) */ +static int auto_power_on; + +enum power_request_t { + POWER_REQ_NONE, + POWER_REQ_OFF, + POWER_REQ_ON, + + POWER_REQ_COUNT, +}; + +static enum power_request_t power_request; + +/** + * Return values for check_for_power_off_event(). + */ +enum power_off_event_t { + POWER_OFF_CANCEL, + POWER_OFF_BY_POWER_BUTTON_PRESSED, + POWER_OFF_BY_LONG_PRESS, + POWER_OFF_BY_POWER_GOOD_LOST, + POWER_OFF_BY_POWER_REQ, + + POWER_OFF_EVENT_COUNT, +}; + +/** + * Return values for check_for_power_on_event(). + */ +enum power_on_event_t { + POWER_ON_CANCEL, + POWER_ON_BY_IN_POWER_GOOD, + POWER_ON_BY_AUTO_POWER_ON, + POWER_ON_BY_LID_OPEN, + POWER_ON_BY_POWER_BUTTON_PRESSED, + POWER_ON_BY_POWER_REQ_NONE, + + POWER_ON_EVENT_COUNT, +}; + +/** + * Parameters of mtk_backlight_override(). + */ +enum blacklight_override_t { + MTK_BACKLIGHT_FORCE_OFF, + MTK_BACKLIGHT_CONTROL_BY_SOC, + + MTK_BACKLIGHT_OVERRIDE_COUNT, +}; + +/* Forward declaration */ +static void chipset_turn_off_power_rails(void); + +/** + * Check the suspend signal is on after SUSPEND_DEBOUNCE_TIME to avoid transient + * state. + * + * @return non-zero if SUSPEND is asserted. + */ +static int is_suspend_asserted(void) +{ +#ifdef BOARD_OAK + if ((power_get_signals() & IN_SUSPEND) && + (system_get_board_version() < 4)) + usleep(SUSPEND_DEBOUNCE_TIME); +#endif + + return power_get_signals() & IN_SUSPEND; +} + +/** + * Check the suspend signal is off after SUSPEND_DEBOUNCE_TIME to avoid + * transient state. + * + * @return non-zero if SUSPEND is deasserted. + */ +static int is_suspend_deasserted(void) +{ +#ifdef BOARD_OAK + if (!(power_get_signals() & IN_SUSPEND) && + (system_get_board_version() < 4)) + usleep(SUSPEND_DEBOUNCE_TIME); +#endif + + return !(power_get_signals() & IN_SUSPEND); +} + +/** + * Check power good signal is on after POWER_DEBOUNCE_TIME to avoid transient + * state. + * + * @return non-zero if POWER_GOOD is asserted. + */ +static int is_power_good_asserted(void) +{ + if (!gpio_get_level(GPIO_SYSTEM_POWER_H)) + return 0; +#ifdef BOARD_OAK + else if ((power_get_signals() & IN_POWER_GOOD) && + (system_get_board_version() < 4)) + usleep(POWER_DEBOUNCE_TIME); +#endif + + return power_get_signals() & IN_POWER_GOOD; +} + +/** + * Check power good signal is off after POWER_DEBOUNCE_TIME to avoid transient + * state. + * + * @return non-zero if POWER_GOOD is deasserted. + */ +static int is_power_good_deasserted(void) +{ +#ifdef BOARD_OAK + /* + * Warm reset key from servo board lets the POWER_GOOD signal + * deasserted temporarily (about 1~2 seconds) on rev4. + * In order to detect this case, check the AP_RESET_L status, + * ignore the transient state if reset key is pressing. + */ + if (system_get_board_version() >= 4) { + if (0 == gpio_get_level(GPIO_AP_RESET_L)) + return 0; + } else { + if (!(power_get_signals() & IN_POWER_GOOD)) + usleep(POWER_DEBOUNCE_TIME); + } +#endif + if (0 == gpio_get_level(GPIO_AP_RESET_L)) + return 0; + + return !(power_get_signals() & IN_POWER_GOOD); +} + +/** + * Set the system power signal. + * + * @param asserted off (=0) or on (=1) + */ +static void set_system_power(int asserted) +{ + CPRINTS("set_system_power(%d)", asserted); + gpio_set_level(GPIO_SYSTEM_POWER_H, asserted); +} + +/** + * Set the PMIC PWRON signal. + * + * Note that asserting requires holding for PMIC_PWRON_PRESS_TIME. + * + * @param asserted Assert (=1) or deassert (=0) the signal. This is the + * logical level of the pin, not the physical level. + */ +static void set_pmic_pwron(int asserted) +{ + timestamp_t poll_deadline; + /* Signal is active-high */ + CPRINTS("set_pmic_pwron(%d)", asserted); + /* Oak rev1 power-on sequence: + * raise GPIO_SYSTEM_POWER_H + * wait for 5V power good, timeout 1 second + */ + if (asserted) { + set_system_power(asserted); + poll_deadline = get_time(); + poll_deadline.val += SECOND; + while (asserted && !gpio_get_level(GPIO_5V_POWER_GOOD) && + get_time().val < poll_deadline.val) + usleep(PMIC_WAIT_FOR_5V_POWER_GOOD); + if (!gpio_get_level(GPIO_5V_POWER_GOOD)) + CPRINTS("5V power not ready"); + } + + gpio_set_level(GPIO_PMIC_PWRON_H, asserted); +} + +/** + * Set the WARM RESET signal. + * + * @param asserted off (=0) or on (=1) + */ +static void set_warm_reset(int asserted) +{ + board_set_ap_reset(asserted); +} + +/** + * Check for some event triggering the shutdown. + * + * It can be either a long power button press or a shutdown triggered from the + * AP and detected by reading POWER_GOOD. + * + * @return non-zero if a shutdown should happen, 0 if not + */ +static int check_for_power_off_event(void) +{ + timestamp_t now; + int pressed = 0; + + /* + * Check for power button press. + */ + if (power_button_is_pressed()) { + pressed = POWER_OFF_BY_POWER_BUTTON_PRESSED; + } else if (power_request == POWER_REQ_OFF) { + power_request = POWER_REQ_NONE; + /* return non-zero for shudown down */ + return POWER_OFF_BY_POWER_REQ; + } + + now = get_time(); + if (pressed) { + if (!power_button_was_pressed) { + power_off_deadline.val = now.val + DELAY_FORCE_SHUTDOWN; + CPRINTS("power waiting for long press %u", + power_off_deadline.le.lo); + /* Ensure we will wake up to check the power key */ + timer_arm(power_off_deadline, TASK_ID_CHIPSET); + } else if (timestamp_expired(power_off_deadline, &now)) { + power_off_deadline.val = 0; + CPRINTS("power off after long press now=%u, %u", + now.le.lo, power_off_deadline.le.lo); + return POWER_OFF_BY_LONG_PRESS; + } + } else if (power_button_was_pressed) { + CPRINTS("power off cancel"); + timer_cancel(TASK_ID_CHIPSET); + } + + power_button_was_pressed = pressed; + + /* POWER_GOOD released by AP : shutdown immediate */ + if (is_power_good_deasserted()) { + /* + * Cancel long press timer if power is lost and the power button + * still press, otherwise EC will crash. + */ + if (power_button_was_pressed) + timer_cancel(TASK_ID_CHIPSET); + + CPRINTS("POWER_GOOD is lost"); + return POWER_OFF_BY_POWER_GOOD_LOST; + } + + return POWER_OFF_CANCEL; +} + +/** + * Set the LCD backlight enable pin and override the signal from SoC. + * + * @param asserted MTK_BACKLIGHT_FORCE_OFF, force off the panel backlight + * MTK_BACKLIGHT_CONTROL_BY_SOC, leave the control to SOC + */ +static void mtk_backlight_override(enum blacklight_override_t asserted) +{ + /* Signal is active-low */ + gpio_set_level(GPIO_EC_BL_OVERRIDE, !asserted); +} + +static void mtk_lid_event(void) +{ + enum blacklight_override_t bl_override; + + /* Override the panel backlight enable signal from SoC, + * force the backlight off on lid close. + */ + bl_override = lid_is_open() ? + MTK_BACKLIGHT_CONTROL_BY_SOC : + MTK_BACKLIGHT_FORCE_OFF; + mtk_backlight_override(bl_override); + + /* Power task only cares about lid-open events */ + if (!lid_is_open()) + return; + + lid_opened = 1; + task_wake(TASK_ID_CHIPSET); +} +DECLARE_HOOK(HOOK_LID_CHANGE, mtk_lid_event, HOOK_PRIO_DEFAULT); + +enum power_state power_chipset_init(void) +{ + int init_power_state; + uint32_t reset_flags = system_get_reset_flags(); + + /* + * Force the AP shutdown unless we are doing SYSJUMP. Otherwise, + * the AP could stay in strange state. + */ + if (!(reset_flags & RESET_FLAG_SYSJUMP)) { + CPRINTS("not sysjump; forcing AP shutdown"); + chipset_turn_off_power_rails(); + + /* + * The warm reset triggers AP into the recovery mode ( + * flash SPI from USB). + */ + chipset_reset(); + + init_power_state = POWER_G3; + } else { + /* In the SYSJUMP case, we check if the AP is on */ + if (is_power_good_asserted()) { + CPRINTS("SOC ON"); + /* + * Check and release PMIC power button signal, + * if it's deferred callback function is not triggered + * in RO before SYSJUMP. + */ + if (gpio_get_level(GPIO_PMIC_PWRON_H)) + set_pmic_pwron(0); + + init_power_state = POWER_S0; + if (is_suspend_asserted()) + enable_sleep(SLEEP_MASK_AP_RUN); + else + disable_sleep(SLEEP_MASK_AP_RUN); + } else { + CPRINTS("SOC OFF"); + init_power_state = POWER_G3; + enable_sleep(SLEEP_MASK_AP_RUN); + } + } + + /* Leave power off only if requested by reset flags */ + if (!(reset_flags & RESET_FLAG_AP_OFF) && + !(reset_flags & RESET_FLAG_SYSJUMP)) { + CPRINTS("reset_flag 0x%x", reset_flags); + auto_power_on = 1; + } + + /* + * Some batteries use clock stretching feature, which requires + * more time to be stable. See http://crosbug.com/p/28289 + */ + battery_wait_for_stable(); + + return init_power_state; +} + +/*****************************************************************************/ +/* Chipset interface */ + +static void chipset_turn_off_power_rails(void) +{ + /* Release the power on pin, if it was asserted */ + set_pmic_pwron(0); + + /* system power off */ + usleep(PMIC_POWER_OFF_DELAY); + set_system_power(0); +} + +void chipset_force_shutdown(void) +{ + chipset_turn_off_power_rails(); + + /* clean-up internal variable */ + power_request = POWER_REQ_NONE; +} + +/*****************************************************************************/ + +/** + * Power off the AP + */ +static void power_off(void) +{ + /* Check the power off status */ + if (!gpio_get_level(GPIO_SYSTEM_POWER_H)) + return; + + /* Call hooks before we drop power rails */ + hook_notify(HOOK_CHIPSET_SHUTDOWN); + /* switch off all rails */ + chipset_turn_off_power_rails(); + + /* Change SUSPEND_L pin to high-Z to reduce power draw. */ + gpio_set_flags(power_signal_list[MTK_SUSPEND_ASSERTED].gpio, + GPIO_INPUT); + + /* Change EC_INT to low */ + gpio_set_level(GPIO_EC_INT_L, 0); + + lid_opened = 0; + enable_sleep(SLEEP_MASK_AP_RUN); +#ifdef HAS_TASK_POWERLED + powerled_set_state(POWERLED_STATE_OFF); +#endif + CPRINTS("power shutdown complete"); +} + +/** + * Check if there has been a power-on event + * + * This checks all power-on event signals and returns non-zero if any have been + * triggered (with debounce taken into account). + * + * @return non-zero if there has been a power-on event, 0 if not. + */ +static int check_for_power_on_event(void) +{ + int ap_off_flag; + + ap_off_flag = system_get_reset_flags() & RESET_FLAG_AP_OFF; + system_clear_reset_flags(RESET_FLAG_AP_OFF); + /* check if system is already ON */ + if (is_power_good_asserted()) { + if (ap_off_flag) { + CPRINTS("system is on, but RESET_FLAG_AP_OFF is on"); + return POWER_ON_CANCEL; + } else { + CPRINTS("system is on, thus clear " "auto_power_on"); + /* no need to arrange another power on */ + auto_power_on = 0; + return POWER_ON_BY_IN_POWER_GOOD; + } + } else { + if (ap_off_flag) { + CPRINTS("RESET_FLAG_AP_OFF is on"); + power_off(); + return POWER_ON_CANCEL; + } + + CPRINTS("POWER_GOOD is not asserted"); + } + + /* power on requested at EC startup for recovery */ + if (auto_power_on) { + auto_power_on = 0; + return POWER_ON_BY_AUTO_POWER_ON; + } + + /* Check lid open */ + if (lid_opened) { + lid_opened = 0; + return POWER_ON_BY_LID_OPEN; + } + + /* check for power button press */ + if (power_button_is_pressed()) + return POWER_ON_BY_POWER_BUTTON_PRESSED; + + if (power_request == POWER_REQ_ON) { + power_request = POWER_REQ_NONE; + return POWER_ON_BY_POWER_REQ_NONE; + } + + return POWER_OFF_CANCEL; +} + +void release_pmic_pwron_deferred(void) +{ + /* Release PMIC power button */ + set_pmic_pwron(0); +} +DECLARE_DEFERRED(release_pmic_pwron_deferred); + +/** + * Power on the AP + */ +static void power_on(void) +{ + uint64_t t; + + /* Set pull-up and enable interrupt */ + gpio_set_flags(power_signal_list[MTK_SUSPEND_ASSERTED].gpio, + GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH); + + /* Make sure we de-assert and GPIO_PMIC_WARM_RESET_H pin. */ + set_warm_reset(0); + + /* + * Before we push PMIC power button, wait for the PMI RTC ready, which + * takes PMIC_RTC_STARTUP from the AC/battery is plugged in. + */ + t = get_time().val; + if (t < PMIC_RTC_STARTUP) { + uint32_t wait = PMIC_RTC_STARTUP - t; + + CPRINTS("wait for %dms for PMIC RTC start-up", wait / MSEC); + usleep(wait); + } + + /* + * When power_on() is called, we are at S5S3. Initialize components + * to ready state before AP is up. + */ + hook_notify(HOOK_CHIPSET_PRE_INIT); + + /* Push the power button */ + set_pmic_pwron(1); + hook_call_deferred(&release_pmic_pwron_deferred_data, + PMIC_PWRON_PRESS_TIME); + + /* enable interrupt */ + gpio_set_flags(GPIO_SUSPEND_L, INT_BOTH_PULL_UP); + +#ifdef BOARD_OAK + if (system_get_board_version() <= 3) + gpio_set_flags(GPIO_EC_INT_L, GPIO_OUTPUT | GPIO_OUT_HIGH); + else + gpio_set_flags(GPIO_EC_INT_L, GPIO_ODR_HIGH); +#else + gpio_set_flags(GPIO_EC_INT_L, GPIO_ODR_HIGH); +#endif + + disable_sleep(SLEEP_MASK_AP_RUN); +#ifdef HAS_TASK_POWERLED + powerled_set_state(POWERLED_STATE_ON); +#endif + /* Call hooks now that AP is running */ + hook_notify(HOOK_CHIPSET_STARTUP); + + CPRINTS("AP running ..."); +} + +void chipset_reset(void) +{ + CPRINTS("EC triggered warm reboot"); + set_warm_reset(1); + usleep(PMIC_WARM_RESET_H_HOLD_TIME); + /* deassert the reset signals */ + set_warm_reset(0); +} + +enum power_state power_handle_state(enum power_state state) +{ + int value; + static int boot_from_g3; + + switch (state) { + case POWER_G3: + boot_from_g3 = check_for_power_on_event(); + if (boot_from_g3) + return POWER_G3S5; + break; + + case POWER_G3S5: + return POWER_S5; + + case POWER_S5: + if (boot_from_g3) { + value = boot_from_g3; + boot_from_g3 = 0; + } else { + value = check_for_power_on_event(); + } + + if (value) { + CPRINTS("power on %d", value); + return POWER_S5S3; + } + return state; + + case POWER_S5S3: + power_on(); + if (power_wait_signals(IN_POWER_GOOD) == EC_SUCCESS) { + CPRINTS("POWER_GOOD seen"); + power_button_was_pressed = 0; + return POWER_S3; + } else { + CPRINTS("POWER_GOOD not seen in time"); + } + set_pmic_pwron(0); + return POWER_S5; + + case POWER_S3: + if (is_power_good_deasserted()) { + power_off(); + return POWER_S3S5; + } else if (is_suspend_deasserted()) + return POWER_S3S0; + return state; + + case POWER_S3S0: + disable_sleep(SLEEP_MASK_AP_RUN); +#ifdef HAS_TASK_POWERLED + powerled_set_state(POWERLED_STATE_ON); +#endif + hook_notify(HOOK_CHIPSET_RESUME); + return POWER_S0; + + case POWER_S0: + value = check_for_power_off_event(); + if (value) { + CPRINTS("power off %d", value); + power_off(); + return POWER_S0S3; + } else if (is_suspend_asserted()) + return POWER_S0S3; + return state; + + case POWER_S0S3: +#ifdef HAS_TASK_POWERLED + if (lid_is_open()) + powerled_set_state(POWERLED_STATE_SUSPEND); + else + powerled_set_state(POWERLED_STATE_OFF); +#endif + /* + * if the power button is pressing, we need cancel the long + * press timer, otherwise EC will crash. + */ + if (power_button_was_pressed) + timer_cancel(TASK_ID_CHIPSET); + + /* Call hooks here since we don't know it prior to AP suspend */ + hook_notify(HOOK_CHIPSET_SUSPEND); + enable_sleep(SLEEP_MASK_AP_RUN); + return POWER_S3; + + case POWER_S3S5: + power_button_wait_for_release(-1); + power_button_was_pressed = 0; + return POWER_S5; + + case POWER_S5G3: + return POWER_G3; + } + + return state; +} + +static void powerbtn_mtk_changed(void) +{ + task_wake(TASK_ID_CHIPSET); +} +DECLARE_HOOK(HOOK_POWER_BUTTON_CHANGE, powerbtn_mtk_changed, HOOK_PRIO_DEFAULT); + +/*****************************************************************************/ +/* Console debug command */ + +static const char *power_req_name[POWER_REQ_COUNT] = { + "none", + "off", + "on", +}; + +/* Power states that we can report */ +enum power_state_t { + PSTATE_UNKNOWN, + PSTATE_OFF, + PSTATE_SUSPEND, + PSTATE_ON, + + PSTATE_COUNT, +}; + +static const char * const state_name[] = { + "unknown", + "off", + "suspend", + "on", +}; + +static int command_power(int argc, char **argv) +{ + int v; + + if (argc < 2) { + enum power_state_t state; + + state = PSTATE_UNKNOWN; + if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) + state = PSTATE_OFF; + if (chipset_in_state(CHIPSET_STATE_SUSPEND)) + state = PSTATE_SUSPEND; + if (chipset_in_state(CHIPSET_STATE_ON)) + state = PSTATE_ON; + ccprintf("%s\n", state_name[state]); + + return EC_SUCCESS; + } + + if (!parse_bool(argv[1], &v)) + return EC_ERROR_PARAM1; + + power_request = v ? POWER_REQ_ON : POWER_REQ_OFF; + ccprintf("Requesting power %s\n", power_req_name[power_request]); + task_wake(TASK_ID_CHIPSET); + + return EC_SUCCESS; +} +DECLARE_CONSOLE_COMMAND(power, command_power, + "on/off", + "Turn AP power on/off"); -- cgit v1.2.1