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/* Copyright (c) 2013 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.
*/
/* EC for Samus board configuration */
#include "als.h"
#include "adc.h"
#include "adc_chip.h"
#include "backlight.h"
#include "battery.h"
#include "capsense.h"
#include "charger.h"
#include "common.h"
#include "driver/temp_sensor/tmp006.h"
#include "driver/als_isl29035.h"
#include "extpower.h"
#include "fan.h"
#include "gpio.h"
#include "host_command.h"
#include "i2c.h"
#include "jtag.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "peci.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "registers.h"
#include "switch.h"
#include "temp_sensor.h"
#include "temp_sensor_chip.h"
#include "timer.h"
#include "thermal.h"
#include "uart.h"
#include "util.h"
/* GPIO signal list. Must match order from enum gpio_signal. */
const struct gpio_info gpio_list[] = {
/* Inputs with interrupt handlers are first for efficiency */
{"POWER_BUTTON_L", LM4_GPIO_A, (1<<2), GPIO_INT_BOTH,
power_button_interrupt},
{"LID_OPEN", LM4_GPIO_A, (1<<3), GPIO_INT_BOTH,
lid_interrupt},
{"AC_PRESENT", LM4_GPIO_H, (1<<3), GPIO_INT_BOTH,
extpower_interrupt},
{"PCH_SLP_S0_L", LM4_GPIO_G, (1<<6), GPIO_INT_BOTH,
power_signal_interrupt},
{"PCH_SLP_S3_L", LM4_GPIO_G, (1<<7), GPIO_INT_BOTH,
power_signal_interrupt},
{"PCH_SLP_S5_L", LM4_GPIO_H, (1<<1), GPIO_INT_BOTH,
power_signal_interrupt},
{"PCH_SLP_SUS_L", LM4_GPIO_G, (1<<3), GPIO_INT_BOTH,
power_signal_interrupt},
{"PCH_SUSWARN_L", LM4_GPIO_G, (1<<2), GPIO_INT_BOTH,
power_signal_interrupt},
{"PP1050_PGOOD", LM4_GPIO_H, (1<<4), GPIO_INT_BOTH,
power_signal_interrupt},
{"PP1200_PGOOD", LM4_GPIO_H, (1<<6), GPIO_INT_BOTH,
power_signal_interrupt},
{"PP1800_PGOOD", LM4_GPIO_L, (1<<7), GPIO_INT_BOTH,
power_signal_interrupt},
{"VCORE_PGOOD", LM4_GPIO_C, (1<<6), GPIO_INT_BOTH,
power_signal_interrupt},
{"RECOVERY_L", LM4_GPIO_A, (1<<5), GPIO_PULL_UP|GPIO_INT_BOTH,
switch_interrupt},
{"WP_L", LM4_GPIO_A, (1<<4), GPIO_INT_BOTH,
switch_interrupt},
{"PCH_BL_EN", LM4_GPIO_M, (1<<3), GPIO_INT_RISING,
backlight_interrupt},
{"JTAG_TCK", LM4_GPIO_C, (1<<0), GPIO_DEFAULT,
jtag_interrupt},
{"UART0_RX", LM4_GPIO_A, (1<<0), GPIO_PULL_UP|
GPIO_INT_BOTH_DSLEEP,
uart_deepsleep_interrupt},
/* This will become an interrupt, once we have support for it. */
{"ACCEL_INT", LM4_GPIO_F, (1<<7), GPIO_INPUT, NULL},
/* This connection exists but may not be configured */
#ifdef CONFIG_CAPSENSE
{"CAPSENSE_INT_L", LM4_GPIO_N, (1<<0), GPIO_INT_FALLING,
capsense_interrupt},
#else
{"CAPSENSE_INT_L", LM4_GPIO_N, (1<<0), GPIO_INPUT, NULL},
#endif
/* Other inputs */
{"BOARD_VERSION1", LM4_GPIO_Q, (1<<5), GPIO_INPUT, NULL},
{"BOARD_VERSION2", LM4_GPIO_Q, (1<<6), GPIO_INPUT, NULL},
{"BOARD_VERSION3", LM4_GPIO_Q, (1<<7), GPIO_INPUT, NULL},
{"CPU_PGOOD", LM4_GPIO_C, (1<<4), GPIO_INPUT, NULL},
{"USB1_OC_L", LM4_GPIO_E, (1<<7), GPIO_INPUT, NULL},
{"USB1_STATUS_L", LM4_GPIO_E, (1<<6), GPIO_INPUT, NULL},
{"USB2_OC_L", LM4_GPIO_E, (1<<0), GPIO_INPUT, NULL},
{"USB2_STATUS_L", LM4_GPIO_D, (1<<7), GPIO_INPUT, NULL},
/* Outputs; all unasserted by default except for reset signals */
{"CPU_PROCHOT", LM4_GPIO_B, (1<<1), GPIO_OUT_LOW, NULL},
{"PP1200_EN", LM4_GPIO_H, (1<<5), GPIO_OUT_LOW, NULL},
{"PP3300_DSW_EN", LM4_GPIO_F, (1<<6), GPIO_OUT_LOW, NULL},
{"PP3300_DSW_GATED_EN", LM4_GPIO_J, (1<<3), GPIO_OUT_LOW, NULL},
{"PP3300_LTE_EN", LM4_GPIO_D, (1<<2), GPIO_OUT_LOW, NULL},
{"PP3300_WLAN_EN", LM4_GPIO_J, (1<<0), GPIO_OUT_LOW, NULL},
{"PP3300_ACCEL_EN", LM4_GPIO_J, (1<<1), GPIO_OUT_LOW, NULL},
{"PP1050_EN", LM4_GPIO_C, (1<<7), GPIO_OUT_LOW, NULL},
{"PP5000_USB_EN", LM4_GPIO_C, (1<<5), GPIO_OUT_LOW, NULL},
{"PP5000_EN", LM4_GPIO_H, (1<<7), GPIO_OUT_LOW, NULL},
{"PP1800_EN", LM4_GPIO_L, (1<<6), GPIO_OUT_LOW, NULL},
{"SYS_PWROK", LM4_GPIO_H, (1<<2), GPIO_OUT_LOW, NULL},
{"WLAN_OFF_L", LM4_GPIO_J, (1<<4), GPIO_OUT_LOW, NULL},
{"USB_MCU_RST_L", LM4_GPIO_B, (1<<0), GPIO_ODR_HIGH, NULL},
{"ENABLE_BACKLIGHT", LM4_GPIO_M, (1<<7), GPIO_OUT_LOW, NULL},
{"ENABLE_TOUCHPAD", LM4_GPIO_N, (1<<1), GPIO_OUT_LOW, NULL},
{"ENTERING_RW", LM4_GPIO_D, (1<<3), GPIO_OUT_LOW, NULL},
{"LIGHTBAR_RESET_L", LM4_GPIO_J, (1<<2), GPIO_ODR_LOW, NULL},
{"PCH_DPWROK", LM4_GPIO_G, (1<<0), GPIO_OUT_LOW, NULL},
/*
* HDA_SDO is technically an output, but we need to leave it as an
* input until we drive it high. So can't use open-drain (HI_Z).
*/
{"PCH_HDA_SDO", LM4_GPIO_G, (1<<1), GPIO_INPUT, NULL},
{"PCH_WAKE_L", LM4_GPIO_F, (1<<0), GPIO_ODR_HIGH, NULL},
{"PCH_NMI_L", LM4_GPIO_F, (1<<2), GPIO_ODR_HIGH, NULL},
{"PCH_PWRBTN_L", LM4_GPIO_H, (1<<0), GPIO_ODR_HIGH, NULL},
{"PCH_PWROK", LM4_GPIO_F, (1<<5), GPIO_OUT_LOW, NULL},
{"PCH_RCIN_L", LM4_GPIO_F, (1<<3), GPIO_ODR_HIGH, NULL},
{"PCH_SYS_RST_L", LM4_GPIO_F, (1<<1), GPIO_ODR_HIGH, NULL},
{"PCH_SMI_L", LM4_GPIO_F, (1<<4), GPIO_ODR_HIGH, NULL},
{"TOUCHSCREEN_RESET_L", LM4_GPIO_N, (1<<7), GPIO_ODR_LOW, NULL},
{"PCH_ACOK", LM4_GPIO_M, (1<<6), GPIO_OUT_LOW, NULL},
#ifndef HEY_USE_BUILTIN_CLKRUN
{"LPC_CLKRUN_L", LM4_GPIO_M, (1<<2), GPIO_ODR_HIGH, NULL},
#endif
{"USB1_CTL1", LM4_GPIO_E, (1<<1), GPIO_OUT_LOW, NULL},
{"USB1_CTL2", LM4_GPIO_E, (1<<2), GPIO_OUT_HIGH, NULL},
{"USB1_CTL3", LM4_GPIO_E, (1<<3), GPIO_OUT_LOW, NULL},
{"USB1_ENABLE", LM4_GPIO_E, (1<<4), GPIO_OUT_HIGH, NULL},
{"USB1_ILIM_SEL", LM4_GPIO_E, (1<<5), GPIO_OUT_LOW, NULL},
{"USB2_CTL1", LM4_GPIO_D, (1<<0), GPIO_OUT_LOW, NULL},
{"USB2_CTL2", LM4_GPIO_D, (1<<1), GPIO_OUT_HIGH, NULL},
{"USB2_CTL3", LM4_GPIO_D, (1<<4), GPIO_OUT_LOW, NULL},
{"USB2_ENABLE", LM4_GPIO_D, (1<<5), GPIO_OUT_HIGH, NULL},
{"USB2_ILIM_SEL", LM4_GPIO_D, (1<<6), GPIO_OUT_LOW, NULL},
};
BUILD_ASSERT(ARRAY_SIZE(gpio_list) == GPIO_COUNT);
/* Pins with alternate functions */
const struct gpio_alt_func gpio_alt_funcs[] = {
{GPIO_A, 0x03, 1, MODULE_UART}, /* UART0 */
{GPIO_A, 0x40, 3, MODULE_I2C}, /* I2C1 SCL */
{GPIO_A, 0x80, 3, MODULE_I2C, GPIO_OPEN_DRAIN}, /* I2C1 SDA */
{GPIO_B, 0x04, 3, MODULE_I2C}, /* I2C0 SCL */
{GPIO_B, 0x08, 3, MODULE_I2C, GPIO_OPEN_DRAIN}, /* I2C0 SDA */
{GPIO_B, 0x40, 3, MODULE_I2C}, /* I2C5 SCL */
{GPIO_B, 0x80, 3, MODULE_I2C, GPIO_OPEN_DRAIN}, /* I2C5 SDA */
{GPIO_G, 0x30, 1, MODULE_UART}, /* UART2 */
{GPIO_J, 0x40, 1, MODULE_PECI}, /* PECI Tx */
{GPIO_J, 0x80, 0, MODULE_PECI, GPIO_ANALOG}, /* PECI Rx */
{GPIO_L, 0x3f, 15, MODULE_LPC}, /* LPC */
{GPIO_M, 0x33, 15, MODULE_LPC}, /* LPC */
#ifdef HEY_USE_BUILTIN_CLKRUN
{GPIO_M, 0x04, 15, MODULE_LPC, GPIO_OPEN_DRAIN},/* LPC */
#endif
{GPIO_N, 0x3c, 1, MODULE_PWM_FAN}, /* FAN0PWM 2&3 */
{GPIO_N, 0x40, 1, MODULE_PWM_KBLIGHT}, /* FAN0PWM4 */
};
const int gpio_alt_funcs_count = ARRAY_SIZE(gpio_alt_funcs);
/* power signal list. Must match order of enum power_signal. */
const struct power_signal_info power_signal_list[] = {
{GPIO_PP1050_PGOOD, 1, "PGOOD_PP1050"},
{GPIO_PP1200_PGOOD, 1, "PGOOD_PP1200"},
{GPIO_PP1800_PGOOD, 1, "PGOOD_PP1800"},
{GPIO_VCORE_PGOOD, 1, "PGOOD_VCORE"},
{GPIO_PCH_SLP_S0_L, 1, "SLP_S0_DEASSERTED"},
{GPIO_PCH_SLP_S3_L, 1, "SLP_S3_DEASSERTED"},
{GPIO_PCH_SLP_S5_L, 1, "SLP_S5_DEASSERTED"},
{GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS_DEASSERTED"},
{GPIO_PCH_SUSWARN_L, 1, "SUSWARN_DEASSERTED"},
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
const struct adc_t adc_channels[] = {
/* EC internal temperature is calculated by
* 273 + (295 - 450 * ADC_VALUE / ADC_READ_MAX) / 2
* = -225 * ADC_VALUE / ADC_READ_MAX + 420.5
*/
{"ECTemp", LM4_ADC_SEQ0, -225, ADC_READ_MAX, 420,
LM4_AIN_NONE, 0x0e /* TS0 | IE0 | END0 */, 0, 0},
/* We're measuring the adapter input current through a 0.01-ohm
* resistor (ACP/ACN). IOUT is 40X the differential voltage, so
* 1000mA => 400mV. ADC returns 0x000-0xFFF over 0.0-3.3V.
* mA = 1000 * ADC_VALUE / ADC_READ_MAX * 3.3(V) * 100(R) / 40(gain)
*/
{"ChargerCurrent", LM4_ADC_SEQ1, 33000, ADC_READ_MAX * 4, 0,
LM4_AIN(11), 0x06 /* IE0 | END0 */, LM4_GPIO_B, (1<<5)},
/*
* TODO(crosbug.com/p/23827): We don't know what to expect here, but
* it's an analog input that's pulled high. We're using it as a battery
* presence indicator for now. We'll return just 0 - ADC_READ_MAX for
* now.
*/
{"BatteryTemp", LM4_ADC_SEQ2, 1, 1, 0,
LM4_AIN(10), 0x06 /* IE0 | END0 */, LM4_GPIO_B, (1<<4)},
};
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[] = {
{4, 0},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* Physical fans. These are logically separate from pwm_channels. */
const struct fan_t fans[] = {
{.flags = FAN_USE_RPM_MODE,
.rpm_min = 1000,
.rpm_max = 6500,
.ch = 2,
.pgood_gpio = -1,
.enable_gpio = -1,
},
{.flags = FAN_USE_RPM_MODE,
.rpm_min = 1000,
.rpm_max = 6500,
.ch = 3,
.pgood_gpio = -1,
.enable_gpio = -1,
},
};
BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"batt_chg", 0, 100},
{"lightbar", 1, 400},
{"thermal", 5, 100},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
#define TEMP_U40_REG_ADDR ((0x40 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_U41_REG_ADDR ((0x44 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_U42_REG_ADDR ((0x41 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_U43_REG_ADDR ((0x45 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_U115_REG_ADDR ((0x42 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_U116_REG_ADDR ((0x43 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_U40_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_U40_REG_ADDR)
#define TEMP_U41_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_U41_REG_ADDR)
#define TEMP_U42_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_U42_REG_ADDR)
#define TEMP_U43_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_U43_REG_ADDR)
#define TEMP_U115_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_U115_REG_ADDR)
#define TEMP_U116_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_U116_REG_ADDR)
const struct tmp006_t tmp006_sensors[TMP006_COUNT] = {
{"Charger", TEMP_U40_ADDR},
{"CPU", TEMP_U41_ADDR},
{"Left C", TEMP_U42_ADDR},
{"Right C", TEMP_U43_ADDR},
{"Right D", TEMP_U115_ADDR},
{"Left D", TEMP_U116_ADDR},
};
/* Temperature sensors data; must be in same order as enum temp_sensor_id. */
const struct temp_sensor_t temp_sensors[] = {
{"PECI", TEMP_SENSOR_TYPE_CPU, peci_temp_sensor_get_val, 0, 2},
{"ECInternal", TEMP_SENSOR_TYPE_BOARD, chip_temp_sensor_get_val, 0, 4},
{"I2C-Charger-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 0, 7},
{"I2C-Charger-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 1, 7},
{"I2C-CPU-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 2, 7},
{"I2C-CPU-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 3, 7},
{"I2C-Left C-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 4, 7},
{"I2C-Left C-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 5, 7},
{"I2C-Right C-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 6, 7},
{"I2C-Right C-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 7, 7},
{"I2C-Right D-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 8, 7},
{"I2C-Right D-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 9, 7},
{"I2C-Left D-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 10, 7},
{"I2C-Left D-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 11, 7},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/* ALS instances. Must be in same order as enum als_id. */
struct als_t als[] = {
{"ISL", isl29035_read_lux},
};
BUILD_ASSERT(ARRAY_SIZE(als) == ALS_COUNT);
/* Thermal limits for each temp sensor. All temps are in degrees K. Must be in
* same order as enum temp_sensor_id. To always ignore any temp, use 0.
*/
struct ec_thermal_config thermal_params[] = {
/* Only the AP affects the thermal limits and fan speed. */
{{C_TO_K(95), C_TO_K(97), C_TO_K(99)}, C_TO_K(55), C_TO_K(85)},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
{{0, 0, 0}, 0, 0},
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
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 */
},
};
#ifdef CONFIG_BATTERY_PRESENT_CUSTOM
/**
* Physical check of battery presence.
*/
enum battery_present battery_is_present(void)
{
/*
* This pin has a pullup, so if it's not completely pegged there's
* something attached. Probably a battery.
*/
int analog_val = adc_read_channel(ADC_CH_BAT_TEMP);
return analog_val < (9 * ADC_READ_MAX / 10) ? BP_YES : BP_NO;
}
#endif
/**
* Discharge battery when on AC power for factory test.
*/
int board_discharge_on_ac(int enable)
{
return charger_discharge_on_ac(enable);
}
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