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/* Copyright (c) 2014 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 Paine board configuration */
#include "adc.h"
#include "adc_chip.h"
#include "backlight.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "driver/temp_sensor/g781.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 "registers.h"
#include "switch.h"
#include "temp_sensor.h"
#include "temp_sensor_chip.h"
#include "thermal.h"
#include "timer.h"
#include "uart.h"
#include "util.h"
#include "gpio_list.h"
#ifdef CONFIG_FAN_RPM_CUSTOM
#define NUM_FAN_LEVELS 8
struct fan_step {
int on;
int off;
int rpm;
};
/* Do not make the fan on/off point equal to 0 or 100 */
const struct fan_step fan_table[NUM_FAN_LEVELS] = {
{.rpm = 0},
{.on = 11, .off = 1, .rpm = 3200},
{.on = 20, .off = 11, .rpm = 3700},
{.on = 26, .off = 18, .rpm = 4000},
{.on = 33, .off = 25, .rpm = 4400},
{.on = 40, .off = 31, .rpm = 4900},
{.on = 56, .off = 48, .rpm = 5500},
{.on = 98, .off = 90, .rpm = 6500},
};
int fan_percent_to_rpm(int fan, int pct)
{
static int index;
static int previous_pct;
int i;
int temp_index;
/*
* Compare the pct and previous pct, we have the three paths :
* 1. decreasing path. (check the off point)
* 2. increasing path. (check the on point)
* 3. invariant path. (return the current RPM)
*/
if (pct == previous_pct) {
temp_index = index;
} else if (pct < previous_pct) {
temp_index = 0;
for (i = 1; i <= index; i++) {
if (pct > fan_table[i].off)
temp_index = i;
else
break;
}
} else {
temp_index = NUM_FAN_LEVELS - 1;
for (i = NUM_FAN_LEVELS - 1; i > index; i--) {
if (pct < fan_table[i].on)
temp_index = i - 1;
else
break;
}
}
index = temp_index;
previous_pct = pct;
if (fan_table[index].rpm != fan_get_rpm_target(fans[fan].ch))
cprintf(CC_THERMAL, "[%T Setting fan RPM to %d]\n",
fan_table[index].rpm);
return fan_table[index].rpm;
}
#endif /* CONFIG_FAN_RPM_CUSTOM */
/* power signal list. Must match order of enum power_signal. */
const struct power_signal_info power_signal_list[] = {
{GPIO_PP5000_PGOOD, 1, "PGOOD_PP5000"},
{GPIO_PP1350_PGOOD, 1, "PGOOD_PP1350"},
{GPIO_PP1050_PGOOD, 1, "PGOOD_PP1050"},
{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"},
};
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},
/* IOUT == ICMNT is on PE3/AIN0 */
/* We have 0.01-ohm resistors, and IOUT is 20X the differential
* voltage, so 1000mA ==> 200mV.
* ADC returns 0x000-0xFFF, which maps to 0.0-3.3V (as configured).
* mA = 1000 * ADC_VALUE / ADC_READ_MAX * 3300 / 200
*/
{"ChargerCurrent", LM4_ADC_SEQ1, 33000, ADC_READ_MAX * 2, 0,
LM4_AIN(0), 0x06 /* IE0 | END0 */, LM4_GPIO_E, (1<<3)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* Physical fans. These are logically separate from pwm_channels. */
const struct fan_t fans[] = {
{.flags = FAN_USE_RPM_MODE,
.rpm_min = 3200,
.rpm_max = 6500,
.ch = 2,
.pgood_gpio = GPIO_PP5000_PGOOD,
.enable_gpio = GPIO_PP5000_FAN_EN,
},
};
BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"batt_chg", 0, 100},
{"thermal", 5, 100},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* 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},
{"G781Internal", TEMP_SENSOR_TYPE_BOARD, g781_get_val,
G781_IDX_INTERNAL, 4},
{"G781External", TEMP_SENSOR_TYPE_BOARD, g781_get_val,
G781_IDX_EXTERNAL, 4},
};
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[] = {
/* 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(36), C_TO_K(96)},
{{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, 0xca /* full set */
},
};
/**
* Discharge battery when on AC power for factory test.
*/
int board_discharge_on_ac(int enable)
{
if (enable)
gpio_set_level(GPIO_CHARGE_L, 1);
else
gpio_set_level(GPIO_CHARGE_L, 0);
return EC_SUCCESS;
}
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