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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 Link board configuration */
#include "adc.h"
#include "backlight.h"
#include "chip_temp_sensor.h"
#include "chipset_ivybridge.h"
#include "chipset_x86_common.h"
#include "common.h"
#include "ec_commands.h"
#include "extpower.h"
#include "gpio.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "lid_switch.h"
#include "lm4_adc.h"
#include "peci.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_data.h"
#include "registers.h"
#include "switch.h"
#include "temp_sensor.h"
#include "timer.h"
#include "thermal.h"
#include "tmp006.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_K, (1<<7), GPIO_INT_BOTH,
power_button_interrupt},
{"LID_OPEN", LM4_GPIO_K, (1<<5), GPIO_INT_BOTH,
lid_interrupt},
/* Other inputs */
{"THERMAL_DATA_READY_L", LM4_GPIO_B, (1<<4), GPIO_INPUT, NULL},
{"AC_PRESENT", LM4_GPIO_H, (1<<3), GPIO_INT_BOTH,
extpower_interrupt},
{"BOARD_VERSION1", LM4_GPIO_H, (1<<6), GPIO_INPUT, NULL},
{"BOARD_VERSION2", LM4_GPIO_L, (1<<6), GPIO_INPUT, NULL},
{"BOARD_VERSION3", LM4_GPIO_L, (1<<7), GPIO_INPUT, NULL},
{"ONEWIRE", LM4_GPIO_H, (1<<2), GPIO_INPUT, NULL},
{"PCH_BKLTEN", LM4_GPIO_J, (1<<3), GPIO_INT_BOTH,
backlight_interrupt},
{"PCH_SLP_A_L", LM4_GPIO_G, (1<<5), GPIO_INT_BOTH,
x86_interrupt},
{"PCH_SLP_ME_CSW_DEV_L", LM4_GPIO_G, (1<<4), GPIO_INT_BOTH,
x86_interrupt},
{"PCH_SLP_S3_L", LM4_GPIO_J, (1<<0), GPIO_INT_BOTH,
x86_interrupt},
{"PCH_SLP_S4_L", LM4_GPIO_J, (1<<1), GPIO_INT_BOTH,
x86_interrupt},
{"PCH_SLP_S5_L", LM4_GPIO_J, (1<<2), GPIO_INT_BOTH,
x86_interrupt},
{"PCH_SLP_SUS_L", LM4_GPIO_G, (1<<3), GPIO_INT_BOTH,
x86_interrupt},
{"PCH_SUSWARN_L", LM4_GPIO_G, (1<<2), GPIO_INT_BOTH,
ivybridge_interrupt},
{"PGOOD_1_5V_DDR", LM4_GPIO_K, (1<<0), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_1_5V_PCH", LM4_GPIO_K, (1<<1), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_1_8VS", LM4_GPIO_K, (1<<3), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_5VALW", LM4_GPIO_H, (1<<0), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_CPU_CORE", LM4_GPIO_M, (1<<3), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_VCCP", LM4_GPIO_K, (1<<2), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_VCCSA", LM4_GPIO_H, (1<<1), GPIO_INT_BOTH,
x86_interrupt},
{"PGOOD_VGFX_CORE", LM4_GPIO_D, (1<<2), GPIO_INT_BOTH,
x86_interrupt},
{"RECOVERY_L", LM4_GPIO_H, (1<<7), GPIO_INT_BOTH,
switch_interrupt},
{"USB1_STATUS_L", LM4_GPIO_E, (1<<7), GPIO_INPUT, NULL},
{"USB2_STATUS_L", LM4_GPIO_E, (1<<1), GPIO_INPUT, NULL},
{"WP", LM4_GPIO_J, (1<<4), GPIO_INT_BOTH,
switch_interrupt},
/* Outputs; all unasserted by default except for reset signals */
{"CPU_PROCHOT", LM4_GPIO_F, (1<<2), GPIO_OUT_LOW, NULL},
{"ENABLE_1_5V_DDR", LM4_GPIO_H, (1<<5), GPIO_OUT_LOW, NULL},
{"ENABLE_5VALW", LM4_GPIO_K, (1<<4), GPIO_OUT_HIGH, NULL},
{"ENABLE_BACKLIGHT", LM4_GPIO_H, (1<<4), GPIO_OUT_LOW, NULL},
{"ENABLE_TOUCHPAD", LM4_GPIO_C, (1<<6), GPIO_OUT_LOW, NULL},
{"ENABLE_VCORE", LM4_GPIO_F, (1<<7), GPIO_OUT_LOW, NULL},
{"ENABLE_VS", LM4_GPIO_G, (1<<6), GPIO_OUT_LOW, NULL},
{"ENABLE_WLAN", LM4_GPIO_Q, (1<<5), GPIO_OUT_LOW, NULL},
{"ENTERING_RW", LM4_GPIO_J, (1<<5), GPIO_OUT_LOW, NULL},
{"LIGHTBAR_RESET_L", LM4_GPIO_B, (1<<1), GPIO_OUT_LOW, NULL},
{"PCH_A20GATE", LM4_GPIO_Q, (1<<6), GPIO_OUT_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_OUT_HIGH, NULL},
{"PCH_NMI_L", LM4_GPIO_M, (1<<2), GPIO_OUT_HIGH, NULL},
{"PCH_PWRBTN_L", LM4_GPIO_G, (1<<7), GPIO_OUT_HIGH, NULL},
{"PCH_PWROK", LM4_GPIO_F, (1<<5), GPIO_OUT_LOW, NULL},
{"PCH_RCIN_L", LM4_GPIO_Q, (1<<7), GPIO_ODR_HIGH, NULL},
{"PCH_RSMRST_L", LM4_GPIO_F, (1<<1), GPIO_OUT_LOW, NULL},
{"PCH_RTCRST_L", LM4_GPIO_F, (1<<6), GPIO_ODR_HIGH, NULL},
{"PCH_SMI_L", LM4_GPIO_F, (1<<4), GPIO_OUT_HIGH, NULL},
{"PCH_SRTCRST_L", LM4_GPIO_C, (1<<7), GPIO_ODR_HIGH, NULL},
{"PCH_SUSACK_L", LM4_GPIO_F, (1<<3), GPIO_OUT_HIGH, NULL},
{"RADIO_ENABLE_WLAN", LM4_GPIO_D, (1<<0), GPIO_OUT_LOW, NULL},
{"RADIO_ENABLE_BT", LM4_GPIO_D, (1<<1), GPIO_OUT_LOW, NULL},
{"SPI_CS_L", LM4_GPIO_A, (1<<3), GPIO_ODR_HIGH, NULL},
{"TOUCHSCREEN_RESET_L", LM4_GPIO_B, (1<<0), GPIO_OUT_LOW, NULL},
{"USB1_CTL1", LM4_GPIO_E, (1<<2), GPIO_OUT_LOW, NULL},
{"USB1_CTL2", LM4_GPIO_E, (1<<3), GPIO_OUT_LOW, NULL},
{"USB1_CTL3", LM4_GPIO_E, (1<<4), GPIO_OUT_LOW, NULL},
{"USB1_ENABLE", LM4_GPIO_E, (1<<5), GPIO_OUT_LOW, NULL},
{"USB1_ILIM_SEL", LM4_GPIO_E, (1<<6), GPIO_OUT_LOW, NULL},
{"USB2_CTL1", LM4_GPIO_D, (1<<4), GPIO_OUT_LOW, NULL},
{"USB2_CTL2", LM4_GPIO_D, (1<<5), GPIO_OUT_LOW, NULL},
{"USB2_CTL3", LM4_GPIO_D, (1<<6), GPIO_OUT_LOW, NULL},
{"USB2_ENABLE", LM4_GPIO_D, (1<<7), GPIO_OUT_LOW, NULL},
{"USB2_ILIM_SEL", LM4_GPIO_E, (1<<0), 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_C, 0x30, 2, MODULE_UART}, /* UART1 */
{GPIO_J, 0x40, 1, MODULE_PECI}, /* PECI Tx */
{GPIO_J, 0x80, 0, MODULE_PECI, GPIO_ANALOG}, /* PECI Rx */
{GPIO_K, 0x40, 1, MODULE_PWM_KBLIGHT}, /* Fan1 PWM */
{GPIO_L, 0x3f, 15, MODULE_LPC}, /* LPC */
{GPIO_M, 0x33, 15, MODULE_LPC}, /* LPC */
{GPIO_M, 0xc0, 1, MODULE_PWM_FAN}, /* Fan0 PWM/tach */
};
const int gpio_alt_funcs_count = ARRAY_SIZE(gpio_alt_funcs);
/* x86 signal list. Must match order of enum x86_signal. */
const struct x86_signal_info x86_signal_list[] = {
{GPIO_PGOOD_5VALW, 1, "PGOOD_5VALW"},
{GPIO_PGOOD_1_5V_DDR, 1, "PGOOD_1_5V_DDR"},
{GPIO_PGOOD_1_5V_PCH, 1, "PGOOD_1_5V_PCH"},
{GPIO_PGOOD_1_8VS, 1, "PGOOD_1_8VS"},
{GPIO_PGOOD_VCCP, 1, "PGOOD_VCCP"},
{GPIO_PGOOD_VCCSA, 1, "PGOOD_VCCSA"},
{GPIO_PGOOD_CPU_CORE, 1, "PGOOD_CPU_CORE"},
{GPIO_PGOOD_VGFX_CORE, 1, "PGOOD_VGFX_CORE"},
{GPIO_PCH_SLP_S3_L, 1, "SLP_S3#_DEASSERTED"},
{GPIO_PCH_SLP_S4_L, 1, "SLP_S4#_DEASSERTED"},
{GPIO_PCH_SLP_S5_L, 1, "SLP_S5#_DEASSERTED"},
{GPIO_PCH_SLP_A_L, 1, "SLP_A#_DEASSERTED"},
{GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS#_DEASSERTED"},
{GPIO_PCH_SLP_ME_CSW_DEV_L, 1, "SLP_ME#_DEASSERTED"},
};
BUILD_ASSERT(ARRAY_SIZE(x86_signal_list) == X86_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},
/* Charger current is mapped from 0~4000mA to 0~1.6V.
* And ADC maps 0~3.3V to ADC_READ_MAX.
*/
{"ChargerCurrent", LM4_ADC_SEQ1, 33 * 4000, ADC_READ_MAX * 16, 0,
LM4_AIN(11), 0x06 /* IE0 | END0 */, LM4_GPIO_B, (1<<5)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* PWM channels */
const struct pwm_t pwm_channels[] = {
[PWM_CH_FAN] = {CONFIG_FAN_CH_CPU, PWM_CONFIG_HAS_RPM_MODE},
[PWM_CH_KBLIGHT] = {1, 0},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
/* Note: battery and charger share a port. Only include it once in
* this list so we don't double-initialize it. */
{"batt_chg", I2C_PORT_BATTERY, 100},
{"lightbar", I2C_PORT_LIGHTBAR, 400},
{"thermal", I2C_PORT_THERMAL, 100},
};
BUILD_ASSERT(ARRAY_SIZE(i2c_ports) == I2C_PORTS_USED);
#define TEMP_PCH_REG_ADDR ((0x41 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_CHARGER_REG_ADDR ((0x43 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_USB_REG_ADDR ((0x46 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_HINGE_REG_ADDR ((0x44 << 1) | I2C_FLAG_BIG_ENDIAN)
#define TEMP_PCH_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_PCH_REG_ADDR)
#define TEMP_CHARGER_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_CHARGER_REG_ADDR)
#define TEMP_USB_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_USB_REG_ADDR)
#define TEMP_HINGE_ADDR TMP006_ADDR(I2C_PORT_THERMAL, TEMP_HINGE_REG_ADDR)
/* Temperature sensors data; must be in same order as enum temp_sensor_id. */
const struct temp_sensor_t temp_sensors[] = {
{"I2C-USB C-Die", TEMP_SENSOR_TYPE_IGNORED, tmp006_get_val, 0, 7},
{"I2C-USB C-Object", TEMP_SENSOR_TYPE_IGNORED, tmp006_get_val, 1, 7},
{"I2C-PCH D-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 2, 7},
{"I2C-PCH D-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 3, 7},
{"I2C-Hinge C-Die", TEMP_SENSOR_TYPE_IGNORED, tmp006_get_val, 4, 7},
{"I2C-Hinge C-Object", TEMP_SENSOR_TYPE_IGNORED, tmp006_get_val, 5, 7},
{"I2C-Charger D-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 6, 7},
{"I2C-Charger D-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 7, 7},
{"ECInternal", TEMP_SENSOR_TYPE_BOARD, chip_temp_sensor_get_val, 0, 4},
{"PECI", TEMP_SENSOR_TYPE_CPU, peci_temp_sensor_get_val, 0, 2},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_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[] = {
{{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},
/* Only the AP affects the thermal limits and fan speed. */
{{C_TO_K(100), C_TO_K(114), C_TO_K(110)}, C_TO_K(60), C_TO_K(90)},
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
const struct tmp006_t tmp006_sensors[TMP006_COUNT] = {
{"USB C", TEMP_USB_ADDR},
{"PCH D", TEMP_PCH_ADDR},
{"Hinge C", TEMP_HINGE_ADDR},
{"Charger D", TEMP_CHARGER_ADDR},
};
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 */
},
};
/**
* Perform necessary actions on host events.
*/
void board_process_wake_events(uint32_t active_wake_events)
{
/* Update level-sensitive wake signal */
if (active_wake_events)
gpio_set_level(GPIO_PCH_WAKE_L, 0);
else
gpio_set_level(GPIO_PCH_WAKE_L, 1);
}
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