1 files changed, 107 insertions, 0 deletions
diff --git a/zephyr/test/drivers/host_cmd/src/battery_cut_off.c b/zephyr/test/drivers/host_cmd/src/battery_cut_off.c
new file mode 100644
index 0000000000..ed9d96481d
--- /dev/null
+++ b/zephyr/test/drivers/host_cmd/src/battery_cut_off.c
@@ -0,0 +1,107 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <zephyr/drivers/emul.h>
+#include <zephyr/ztest.h>
+
+#include "battery.h"
+#include "emul/emul_common_i2c.h"
+#include "emul/emul_smart_battery.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "test/drivers/test_state.h"
+#include "test/drivers/utils.h"
+
+struct host_cmd_battery_cut_off_fixture {
+	const struct emul *emul;
+	struct i2c_common_emul_data *i2c_emul;
+};
+
+static void *host_cmd_battery_cut_off_setup(void)
+{
+	static struct host_cmd_battery_cut_off_fixture fixture = {
+		.emul = EMUL_DT_GET(DT_NODELABEL(battery)),
+	};
+
+	fixture.i2c_emul = emul_smart_battery_get_i2c_common_data(fixture.emul);
+
+	return &fixture;
+}
+
+static void host_cmd_battery_cut_off_before(void *f)
+{
+	ARG_UNUSED(f);
+	test_set_battery_level(75);
+}
+
+static void host_cmd_battery_cut_off_after(void *f)
+{
+	struct host_cmd_battery_cut_off_fixture *fixture = f;
+
+	i2c_common_emul_set_write_fail_reg(fixture->i2c_emul,
+					   I2C_COMMON_EMUL_NO_FAIL_REG);
+	set_ac_enabled(true);
+	hook_notify(HOOK_AC_CHANGE);
+	k_msleep(500);
+}
+
+ZTEST_SUITE(host_cmd_battery_cut_off, drivers_predicate_post_main,
+	    host_cmd_battery_cut_off_setup, host_cmd_battery_cut_off_before,
+	    host_cmd_battery_cut_off_after, NULL);
+
+ZTEST_USER_F(host_cmd_battery_cut_off, test_fail_sb_write)
+{
+	int rv;
+	struct host_cmd_handler_args args =
+		BUILD_HOST_COMMAND_SIMPLE(EC_CMD_BATTERY_CUT_OFF, UINT8_C(0));
+
+	/* Force a failure on the battery i2c write to 0x00 */
+	i2c_common_emul_set_write_fail_reg(fixture->i2c_emul, 0);
+
+	rv = host_command_process(&args);
+	zassert_equal(EC_RES_ERROR, rv, "Expected 0, but got %d", rv);
+}
+
+ZTEST_USER(host_cmd_battery_cut_off, test_cutoff_battery)
+{
+	int rv;
+	struct host_cmd_handler_args args =
+		BUILD_HOST_COMMAND_SIMPLE(EC_CMD_BATTERY_CUT_OFF, UINT8_C(0));
+
+	rv = host_command_process(&args);
+	zassert_equal(EC_RES_SUCCESS, rv, "Expected 0, but got %d", rv);
+	zassert_true(battery_is_cut_off(), NULL);
+}
+
+ZTEST_USER(host_cmd_battery_cut_off, test_cutoff_v1)
+{
+	int rv;
+	struct ec_params_battery_cutoff params = {
+		.flags = 0,
+	};
+	struct host_cmd_handler_args args = BUILD_HOST_COMMAND_PARAMS(
+		EC_CMD_BATTERY_CUT_OFF, UINT8_C(1), params);
+
+	rv = host_command_process(&args);
+	zassert_equal(EC_RES_SUCCESS, rv, "Expected 0, but got %d", rv);
+	zassert_true(battery_is_cut_off(), NULL);
+}
+
+ZTEST_USER(host_cmd_battery_cut_off, test_cutoff_at_shutdown)
+{
+	int rv;
+	struct ec_params_battery_cutoff params = {
+		.flags = EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN,
+	};
+	struct host_cmd_handler_args args = BUILD_HOST_COMMAND_PARAMS(
+		EC_CMD_BATTERY_CUT_OFF, UINT8_C(1), params);
+
+	rv = host_command_process(&args);
+	zassert_equal(EC_RES_SUCCESS, rv, "Expected 0, but got %d", rv);
+	zassert_false(battery_is_cut_off(), NULL);
+	hook_notify(HOOK_CHIPSET_SHUTDOWN);
+	zassert_true(WAIT_FOR(battery_is_cut_off(), 1500000, k_msleep(250)),
+		     NULL);
+}