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/* Copyright 2016 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.
*/
#include "adc.h"
#include "adc_chip.h"
#include "backlight.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "driver/charger/bd99955.h"
#include "driver/tcpm/fusb302.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "registers.h"
#include "shi_chip.h"
#include "switch.h"
#include "timer.h"
#include "thermal.h"
#include "usb_charge.h"
#include "usb_pd_tcpm.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
static void tcpc_alert_event(enum gpio_signal signal)
{
#ifdef HAS_TASK_PDCMD
/* Exchange status with TCPCs */
host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
#endif
}
#include "gpio_list.h"
/******************************************************************************/
/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
const struct adc_t adc_channels[] = {
[ADC_BOARD_ID] = {
"BOARD_ID", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 },
[ADC_PP900_AP] = {
"PP900_AP", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 },
[ADC_PP1200_LPDDR] = {
"PP1200_LPDDR", NPCX_ADC_CH2, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 },
[ADC_PPVAR_CLOGIC] = {
"PPVAR_CLOGIC",
NPCX_ADC_CH3, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 },
[ADC_PPVAR_LOGIC] = {
"PPVAR_LOGIC", NPCX_ADC_CH4, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 },
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/******************************************************************************/
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
[PWM_CH_LED_GREEN] = { 0, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_BKLIGHT] = { 2, 0, 10000 },
[PWM_CH_LED_RED] = { 3, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_BLUE] = { 4, PWM_CONFIG_DSLEEP, 100 },
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/******************************************************************************/
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"tcpc0", NPCX_I2C_PORT0_0, 1000, GPIO_I2C0_SCL0, GPIO_I2C0_SDA0},
{"tcpc1", NPCX_I2C_PORT0_1, 1000, GPIO_I2C0_SCL1, GPIO_I2C0_SDA1},
{"sensors", NPCX_I2C_PORT1, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"charger", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
{"battery", NPCX_I2C_PORT3, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/******************************************************************************/
/* Wake-up pins for hibernate */
const enum gpio_signal hibernate_wake_pins[] = {
GPIO_POWER_BUTTON_L,
};
const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
/******************************************************************************/
/* Keyboard scan setting */
struct keyboard_scan_config keyscan_config = {
.output_settle_us = 40,
.debounce_down_us = 6 * MSEC,
.debounce_up_us = 30 * MSEC,
.scan_period_us = 1500,
.min_post_scan_delay_us = 1000,
.poll_timeout_us = SECOND,
.actual_key_mask = {
0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
0xa4, 0xff, 0xf6, 0x55, 0xfa, 0xc8 /* full set */
},
};
const struct button_config buttons[CONFIG_BUTTON_COUNT] = {
{"Volume Down", KEYBOARD_BUTTON_VOLUME_DOWN, GPIO_VOLUME_DOWN_L,
30 * MSEC, 0},
{"Volume Up", KEYBOARD_BUTTON_VOLUME_UP, GPIO_VOLUME_UP_L,
30 * MSEC, 0},
};
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
{I2C_PORT_TCPC0, FUSB302_I2C_SLAVE_ADDR, &fusb302_tcpm_drv},
{I2C_PORT_TCPC1, FUSB302_I2C_SLAVE_ADDR, &fusb302_tcpm_drv},
};
void board_reset_pd_mcu(void)
{
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_USB_C0_PD_INT_L))
status |= PD_STATUS_TCPC_ALERT_0;
if (!gpio_get_level(GPIO_USB_C1_PD_INT_L))
status |= PD_STATUS_TCPC_ALERT_1;
return status;
}
int board_set_active_charge_port(int charge_port)
{
enum bd99955_charge_port bd99955_port;
CPRINTS("New chg p%d", charge_port);
switch (charge_port) {
case 0:
bd99955_port = BD99955_CHARGE_PORT_VBUS;
break;
case 1:
bd99955_port = BD99955_CHARGE_PORT_VCC;
break;
case CHARGE_PORT_NONE:
bd99955_port = BD99955_CHARGE_PORT_NONE;
break;
default:
panic("Invalid charge port\n");
break;
}
return bd99955_select_input_port(bd99955_port);
}
void board_set_charge_limit(int charge_ma)
{
charge_set_input_current_limit(MAX(charge_ma,
CONFIG_CHARGER_INPUT_CURRENT));
}
int extpower_is_present(void)
{
return bd99955_extpower_is_present();
}
static void board_init(void)
{
struct charge_port_info charge_none;
int i;
/* Initialize all pericom charge suppliers to 0 */
charge_none.voltage = USB_CHARGER_VOLTAGE_MV;
charge_none.current = 0;
/* TODO: Implement BC1.2 + VBUS detection */
for (i = 0; i < CONFIG_USB_PD_PORT_COUNT; i++) {
charge_manager_update_charge(CHARGE_SUPPLIER_PROPRIETARY,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_CDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_DCP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_SDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_OTHER,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_VBUS,
i,
&charge_none);
}
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
enum kevin_board_version {
BOARD_VERSION_UNKNOWN = -1,
BOARD_VERSION_PROTO1 = 0,
BOARD_VERSION_PROTO2 = 1,
BOARD_VERSION_FUTURE = 2,
BOARD_VERSION_COUNT,
};
struct {
enum kevin_board_version version;
int thresh_mv;
} const kevin_board_versions[] = {
{ BOARD_VERSION_PROTO1, 150 }, /* 2.2 - 3.3 ohm */
{ BOARD_VERSION_PROTO2, 250 }, /* 6.8 - 7.32 ohm */
{ BOARD_VERSION_FUTURE, 3300 }, /* ??? ohm */
};
BUILD_ASSERT(ARRAY_SIZE(kevin_board_versions) == BOARD_VERSION_COUNT);
int board_get_version(void)
{
static int version = BOARD_VERSION_UNKNOWN;
int mv;
int i;
if (version != BOARD_VERSION_UNKNOWN)
return version;
gpio_set_level(GPIO_EC_BOARD_ID_EN_L, 0);
/* Wait to allow cap charge */
msleep(1);
mv = adc_read_channel(ADC_BOARD_ID);
gpio_set_level(GPIO_EC_BOARD_ID_EN_L, 1);
for (i = 0; i < BOARD_VERSION_COUNT; ++i) {
if (mv < kevin_board_versions[i].thresh_mv) {
version = kevin_board_versions[i].version;
break;
}
}
return version;
}
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