1 files changed, 127 insertions, 0 deletions
diff --git a/board/taniks/board.c b/board/taniks/board.c
new file mode 100644
index 0000000000..80be70ca27
--- /dev/null
+++ b/board/taniks/board.c
@@ -0,0 +1,127 @@
+/* Copyright 2021 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 "battery.h"
+#include "button.h"
+#include "charge_manager.h"
+#include "charge_ramp.h"
+#include "charge_state_v2.h"
+#include "charger.h"
+#include "common.h"
+#include "compile_time_macros.h"
+#include "console.h"
+#include "gpio.h"
+#include "gpio_signal.h"
+#include "hooks.h"
+#include "driver/accel_lis2dw12.h"
+#include "driver/accelgyro_lsm6dso.h"
+#include "driver/als_tcs3400.h"
+#include "fw_config.h"
+#include "hooks.h"
+#include "lid_switch.h"
+#include "power_button.h"
+#include "power.h"
+#include "registers.h"
+#include "switch.h"
+#include "tablet_mode.h"
+#include "throttle_ap.h"
+#include "usbc_config.h"
+
+#include "gpio_list.h" /* Must come after other header files. */
+
+/* Console output macros */
+#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
+#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args)
+
+/******************************************************************************/
+/* USB-A charging control */
+
+const int usb_port_enable[USB_PORT_COUNT] = {
+	GPIO_EN_PP5000_USBA_R,
+};
+BUILD_ASSERT(ARRAY_SIZE(usb_port_enable) == USB_PORT_COUNT);
+
+/******************************************************************************/
+
+__override void board_cbi_init(void)
+{
+	config_usb_db_type();
+}
+
+/* Called on AP S3 -> S0 transition */
+static void board_chipset_resume(void)
+{
+	/* Allow keyboard backlight to be enabled */
+	if (ec_cfg_has_keyboard_backlight() == 1) {
+		/* GPIO_EC_KB_BL_EN_L is low active pin */
+		gpio_set_level(GPIO_EC_KB_BL_EN_L, 0);
+	}
+}
+DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
+
+/* Called on AP S0 -> S3 transition */
+static void board_chipset_suspend(void)
+{
+	/* Turn off the keyboard backlight if it's on. */
+	if (ec_cfg_has_keyboard_backlight() == 1) {
+		/* GPIO_EC_KB_BL_EN_L is low active pin */
+		gpio_set_level(GPIO_EC_KB_BL_EN_L, 1);
+	}
+}
+DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
+
+#ifdef CONFIG_CHARGE_RAMP_SW
+
+/*
+ * TODO: tune this threshold
+ */
+
+#define BC12_MIN_VOLTAGE 4400
+
+/**
+ * Return true if VBUS is too low
+ */
+int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
+{
+	int voltage;
+
+	if (charger_get_vbus_voltage(port, &voltage))
+		voltage = 0;
+
+	if (voltage == 0) {
+		CPRINTS("%s: must be disconnected", __func__);
+		return 1;
+	}
+
+	if (voltage < BC12_MIN_VOLTAGE) {
+		CPRINTS("%s: port %d: vbus %d lower than %d", __func__,
+			port, voltage, BC12_MIN_VOLTAGE);
+		return 1;
+	}
+
+	return 0;
+}
+
+#endif /* CONFIG_CHARGE_RAMP_SW */
+
+enum battery_present battery_hw_present(void)
+{
+	/* The GPIO is low when the battery is physically present */
+	return gpio_get_level(GPIO_EC_BATT_PRES_ODL) ? BP_NO : BP_YES;
+}
+
+__override void board_set_charge_limit(int port, int supplier, int charge_ma,
+			    int max_ma, int charge_mv)
+{
+	/*
+	 * Follow OEM request to limit the input current to
+	 * 95% negotiated limit.
+	 */
+	charge_ma = charge_ma * 95 / 100;
+
+	charge_set_input_current_limit(MAX(charge_ma,
+					CONFIG_CHARGER_INPUT_CURRENT),
+					charge_mv);
+}
+\ No newline at end of file