166 lines
4.7 KiB
C
166 lines
4.7 KiB
C
/* Copyright 2018 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* DragonEgg board-specific configuration */
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#include "adc.h"
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#include "adc_chip.h"
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#include "button.h"
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#include "common.h"
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#include "charger.h"
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#include "console.h"
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#include "driver/ppc/nx20p348x.h"
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#include "driver/ppc/sn5s330.h"
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#include "ec_commands.h"
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#include "extpower.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "intc.h"
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#include "lid_switch.h"
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#include "power.h"
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#include "power_button.h"
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#include "pwm.h"
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#include "pwm_chip.h"
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#include "spi.h"
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#include "switch.h"
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#include "system.h"
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#include "uart.h"
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#include "usb_pd.h"
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#include "util.h"
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static void ppc_interrupt(enum gpio_signal signal)
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{
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switch (signal) {
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case GPIO_USB_C0_TCPPC_INT_L:
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sn5s330_interrupt(0);
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break;
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case GPIO_USB_C2_TCPPC_INT_ODL:
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nx20p348x_interrupt(2);
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break;
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default:
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break;
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}
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}
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static void tcpc_alert_event(enum gpio_signal signal)
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{
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int port = -1;
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/*
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* Since C0/C1 TCPC are embedded within EC, we don't need the PDCMD
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* tasks.The (embedded) TCPC status since chip driver code will
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* handles its own interrupts and forward the correct events to
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* the PD_C0/1 task. See it83xx/intc.c
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*/
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switch (signal) {
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case GPIO_USB_C2_TCPC_INT_ODL:
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port = 2;
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break;
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default:
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return;
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}
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schedule_deferred_pd_interrupt(port);
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}
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#include "gpio_list.h" /* Must come after other header files. */
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/******************************************************************************/
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/* ADC channels */
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const struct adc_t adc_channels[] = {
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/* Vbus C0 sensing (7.3x voltage divider). PPVAR_USB_C0_VBUS */
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[ADC_VBUS_C0] = {.name = "VBUS_C0",
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.factor_mul = (ADC_MAX_MVOLT * 73) / 10,
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.factor_div = ADC_READ_MAX + 1,
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.shift = 0,
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.channel = CHIP_ADC_CH1},
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/* Vbus C1 sensing (7.3x voltage divider). PPVAR_USB_C1_VBUS */
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[ADC_VBUS_C1] = {.name = "VBUS_C1",
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.factor_mul = (ADC_MAX_MVOLT * 73) / 10,
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.factor_div = ADC_READ_MAX + 1,
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.shift = 0,
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.channel = CHIP_ADC_CH0},
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};
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BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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/******************************************************************************/
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/* SPI devices */
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/* TODO(b/110880394): Fill out correctly (SPI FLASH) */
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const struct spi_device_t spi_devices[] = {
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};
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const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
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/******************************************************************************/
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/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
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const struct pwm_t pwm_channels[] = {
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[PWM_CH_KBLIGHT] = { .channel = 0, .flags = 0, .freq_hz = 100 },
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[PWM_CH_LED_RED] = { .channel = 2, .flags = PWM_CONFIG_DSLEEP |
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PWM_CONFIG_ACTIVE_LOW, .freq_hz = 100 },
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[PWM_CH_LED_GREEN] = { .channel = 1, .flags = PWM_CONFIG_DSLEEP |
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PWM_CONFIG_ACTIVE_LOW, .freq_hz = 100 },
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[PWM_CH_LED_BLUE] = { .channel = 3, .flags = PWM_CONFIG_DSLEEP |
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PWM_CONFIG_ACTIVE_LOW, .freq_hz = 100 },
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};
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BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
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/* GPIO to enable/disable the USB Type-A port. */
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const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = {
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GPIO_EN_USB_A_5V,
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};
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void board_overcurrent_event(int port)
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{
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if (port == 0) {
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/* TODO(b/111281797): When does this get set high again? */
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gpio_set_level(GPIO_USB_OC_ODL, 0);
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cprints(CC_USBPD, "p%d: overcurrent!", port);
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}
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}
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static void board_disable_learn_mode(void)
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{
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/* Disable learn mode after checking to make sure AC is still present */
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if (extpower_is_present())
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charger_discharge_on_ac(0);
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}
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DECLARE_DEFERRED(board_disable_learn_mode);
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static void board_extpower(void)
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{
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/*
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* For the bq25710 charger, we need the switching converter to remain
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* disabled until ~130 msec from when VBUS present to allow the
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* converter to be biased properly. Otherwise, there will be a reverse
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* buck/boost until the converter is biased. The recommendation is to
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* exit learn mode 200 msec after external charger is connected.
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*
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* TODO(b/112372451): When there are updated versions of the bq25710,
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* this set of changes can be removed.
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*/
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if (extpower_is_present()) {
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hook_call_deferred(&board_disable_learn_mode_data, 200 * MSEC);
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} else {
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/* Enable charger learn mode */
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charger_discharge_on_ac(1);
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/* Cancel any pending call to disable learn mode */
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hook_call_deferred(&board_disable_learn_mode_data, -1);
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}
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}
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DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT);
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/* Initialize board. */
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static void board_init(void)
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{
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/*
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* On EC reboot, need to always set battery learn mode to the correct
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* state based on presence of AC.
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*/
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board_extpower();
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}
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DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
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