1 files changed, 295 insertions, 0 deletions
diff --git a/board/lick/board.c b/board/lick/board.c
new file mode 100644
index 0000000000..60e56d4cce
--- /dev/null
+++ b/board/lick/board.c
@@ -0,0 +1,295 @@
+/* Copyright 2019 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.
+ */
+
+/* Lick board-specific configuration */
+
+#include "adc.h"
+#include "adc_chip.h"
+#include "button.h"
+#include "charge_state.h"
+#include "common.h"
+#include "console.h"
+#include "cros_board_info.h"
+#include "driver/accel_lis2dh.h"
+#include "driver/accelgyro_lsm6dsm.h"
+#include "driver/ppc/nx20p348x.h"
+#include "driver/tcpm/anx7447.h"
+#include "extpower.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "keyboard_scan.h"
+#include "lid_switch.h"
+#include "power.h"
+#include "power_button.h"
+#include "switch.h"
+#include "task.h"
+#include "tablet_mode.h"
+#include "tcpci.h"
+#include "temp_sensor.h"
+#include "thermistor.h"
+#include "util.h"
+#include "battery_smart.h"
+
+#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
+#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args)
+
+#define USB_PD_PORT_ANX7447	0
+#define USB_PD_PORT_PS8751	1
+
+static uint8_t sku_id;
+
+static void ppc_interrupt(enum gpio_signal signal)
+{
+	switch (signal) {
+	case GPIO_USB_PD_C0_INT_ODL:
+		nx20p348x_interrupt(0);
+		break;
+
+	case GPIO_USB_PD_C1_INT_ODL:
+		nx20p348x_interrupt(1);
+		break;
+
+	default:
+		break;
+	}
+}
+
+/* Must come after other header files and GPIO interrupts*/
+#include "gpio_list.h"
+
+/* ADC channels */
+const struct adc_t adc_channels[] = {
+	[ADC_TEMP_SENSOR_AMB] = {
+		"TEMP_AMB", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX+1, 0},
+	[ADC_TEMP_SENSOR_CHARGER] = {
+		"TEMP_CHARGER", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX+1, 0},
+	/* Vbus sensing (1/10 voltage divider). */
+	[ADC_VBUS_C0] = {
+		"VBUS_C0", NPCX_ADC_CH9, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0},
+	[ADC_VBUS_C1] = {
+		"VBUS_C1", NPCX_ADC_CH4, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0},
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+const struct temp_sensor_t temp_sensors[] = {
+	[TEMP_SENSOR_BATTERY] = {.name = "Battery",
+				 .type = TEMP_SENSOR_TYPE_BATTERY,
+				 .read = charge_get_battery_temp,
+				 .idx = 0,
+				 .action_delay_sec = 1},
+	[TEMP_SENSOR_AMBIENT] = {.name = "Ambient",
+				 .type = TEMP_SENSOR_TYPE_BOARD,
+				 .read = get_temp_3v3_51k1_47k_4050b,
+				 .idx = ADC_TEMP_SENSOR_AMB,
+				 .action_delay_sec = 5},
+	[TEMP_SENSOR_CHARGER] = {.name = "Charger",
+				 .type = TEMP_SENSOR_TYPE_BOARD,
+				 .read = get_temp_3v3_13k7_47k_4050b,
+				 .idx = ADC_TEMP_SENSOR_CHARGER,
+				 .action_delay_sec = 1},
+};
+BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
+
+/* Motion sensors */
+/* Mutexes */
+static struct mutex g_lid_mutex;
+static struct mutex g_base_mutex;
+
+/* Matrix to rotate lid and base sensor into standard reference frame */
+const mat33_fp_t standard_rot_ref = {
+	{ FLOAT_TO_FP(-1), 0, 0},
+	{ 0, FLOAT_TO_FP(-1), 0},
+	{ 0, 0,  FLOAT_TO_FP(1)}
+};
+
+/* sensor private data */
+static struct stprivate_data g_lis2dh_data;
+static struct lsm6dsm_data lsm6dsm_data = LSM6DSM_DATA;
+
+/* Drivers */
+struct motion_sensor_t motion_sensors[] = {
+	[LID_ACCEL] = {
+		.name = "Lid Accel",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_LIS2DE,
+		.type = MOTIONSENSE_TYPE_ACCEL,
+		.location = MOTIONSENSE_LOC_LID,
+		.drv = &lis2dh_drv,
+		.mutex = &g_lid_mutex,
+		.drv_data = &g_lis2dh_data,
+		.port = I2C_PORT_SENSOR,
+		.i2c_spi_addr_flags = LIS2DH_ADDR1_FLAGS,
+		.rot_standard_ref = &standard_rot_ref,
+		/* We only use 2g because its resolution is only 8-bits */
+		.default_range = 2, /* g */
+		.min_frequency = LIS2DH_ODR_MIN_VAL,
+		.max_frequency = LIS2DH_ODR_MAX_VAL,
+		.config = {
+			/* EC use accel for angle detection */
+			[SENSOR_CONFIG_EC_S0] = {
+				.odr = 10000 | ROUND_UP_FLAG,
+			},
+			/* Sensor on for lid angle detection */
+			[SENSOR_CONFIG_EC_S3] = {
+				.odr = 10000 | ROUND_UP_FLAG,
+			},
+		},
+	},
+
+	[BASE_ACCEL] = {
+		.name = "Base Accel",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_LSM6DSM,
+		.type = MOTIONSENSE_TYPE_ACCEL,
+		.location = MOTIONSENSE_LOC_BASE,
+		.drv = &lsm6dsm_drv,
+		.mutex = &g_base_mutex,
+		.drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
+				MOTIONSENSE_TYPE_ACCEL),
+		.int_signal = GPIO_BASE_SIXAXIS_INT_L,
+		.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
+		.port = I2C_PORT_SENSOR,
+		.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
+		.rot_standard_ref = &standard_rot_ref,
+		.default_range = 4,  /* g */
+		.min_frequency = LSM6DSM_ODR_MIN_VAL,
+		.max_frequency = LSM6DSM_ODR_MAX_VAL,
+		.config = {
+			/* EC use accel for angle detection */
+			[SENSOR_CONFIG_EC_S0] = {
+				.odr = 13000 | ROUND_UP_FLAG,
+				.ec_rate = 100 * MSEC,
+			},
+			/* Sensor on for angle detection */
+			[SENSOR_CONFIG_EC_S3] = {
+				.odr = 10000 | ROUND_UP_FLAG,
+				.ec_rate = 100 * MSEC,
+			},
+		},
+	},
+
+	[BASE_GYRO] = {
+		.name = "Base Gyro",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_LSM6DSM,
+		.type = MOTIONSENSE_TYPE_GYRO,
+		.location = MOTIONSENSE_LOC_BASE,
+		.drv = &lsm6dsm_drv,
+		.mutex = &g_base_mutex,
+		.drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
+				MOTIONSENSE_TYPE_GYRO),
+		.int_signal = GPIO_BASE_SIXAXIS_INT_L,
+		.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
+		.port = I2C_PORT_SENSOR,
+		.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
+		.default_range = 1000 | ROUND_UP_FLAG, /* dps */
+		.rot_standard_ref = &standard_rot_ref,
+		.min_frequency = LSM6DSM_ODR_MIN_VAL,
+		.max_frequency = LSM6DSM_ODR_MAX_VAL,
+	},
+};
+
+unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+
+static int board_is_convertible(void)
+{
+	return sku_id != 255;
+}
+
+static void board_update_sensor_config_from_sku(void)
+{
+		motion_sensor_count = 0;
+		gmr_tablet_switch_disable();
+		/* Base accel is not stuffed, don't allow line to float */
+		gpio_set_flags(GPIO_BASE_SIXAXIS_INT_L,
+			       GPIO_INPUT | GPIO_PULL_DOWN);
+}
+
+static void cbi_init(void)
+{
+	uint32_t val;
+
+	if (cbi_get_sku_id(&val) == EC_SUCCESS)
+		sku_id = val;
+	ccprints("SKU: 0x%04x", sku_id);
+
+	board_update_sensor_config_from_sku();
+}
+DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1);
+
+#ifndef TEST_BUILD
+/* This callback disables keyboard when convertibles are fully open */
+void lid_angle_peripheral_enable(int enable)
+{
+	/*
+	 * If the lid is in tablet position via other sensors,
+	 * ignore the lid angle, which might be faulty then
+	 * disable keyboard.
+	 */
+	if (tablet_get_mode())
+		enable = 0;
+
+	if (board_is_convertible())
+		keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE);
+}
+#endif
+
+int board_is_lid_angle_tablet_mode(void)
+{
+	return board_is_convertible();
+}
+
+/* Battery functions */
+#define SB_OPTIONALMFG_FUNCTION2		0x3e
+/* Optional mfg function2 */
+#define SMART_QUICK_CHARGE			(1<<12)
+/* Quick charge support */
+#define MODE_QUICK_CHARGE_SUPPORT		(1<<4)
+
+static void sb_quick_charge_mode(int enable)
+{
+	int val, rv;
+
+	rv = sb_read(SB_BATTERY_MODE, &val);
+	if (rv || !(val & MODE_QUICK_CHARGE_SUPPORT))
+		return;
+
+	rv = sb_read(SB_OPTIONALMFG_FUNCTION2, &val);
+	if (rv)
+		return;
+
+	if (enable)
+		val |= SMART_QUICK_CHARGE;
+	else
+		val &= ~SMART_QUICK_CHARGE;
+
+	sb_write(SB_OPTIONALMFG_FUNCTION2, val);
+}
+
+/* Called on AP S3/S0ix -> S0 transition */
+static void board_chipset_resume(void)
+{
+	/* Normal charge current */
+	sb_quick_charge_mode(0);
+}
+DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
+
+/* Called on AP S0 -> S3/S0ix transition */
+static void board_chipset_suspend(void)
+{
+	/* Quick charge current */
+	sb_quick_charge_mode(1);
+}
+DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
+
+void board_overcurrent_event(int port, int is_overcurrented)
+{
+	/* Sanity check the port. */
+	if ((port < 0) || (port >= CONFIG_USB_PD_PORT_MAX_COUNT))
+		return;
+
+	/* Note that the level is inverted because the pin is active low. */
+	gpio_set_level(GPIO_USB_C_OC, !is_overcurrented);
+}