zephyr: test: Add tcpci_hard_reset_reinit test

Add coverage for tcpci_hard_reset_reinit.

BUG=b:239183823
BRANCH=none
TEST=twister -T zephyr/test/drivers

Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Change-Id: Ibc61086f7531654a2d400fa9554141538f5166ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3837606
Code-Coverage: Zoss <zoss-cl-coverage@prod.google.com>
Reviewed-by: Jeremy Bettis <jbettis@chromium.org>
Tested-by: Devin Lu <devin.lu@quantatw.com>
Commit-Queue: Abe Levkoy <alevkoy@chromium.org>
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>

3 files changed, 38 insertions, 0 deletions

diff --git a/zephyr/test/drivers/common/include/test/drivers/tcpci_test_common.h b/zephyr/test/drivers/common/include/test/drivers/tcpci_test_common.h
index 6ace7a9e15..83af366fc6 100644
--- a/zephyr/test/drivers/common/include/test/drivers/tcpci_test_common.h
+++ b/zephyr/test/drivers/common/include/test/drivers/tcpci_test_common.h
@@ -222,4 +222,16 @@ void test_tcpci_set_bist_mode(const struct emul *emul,
 			      struct i2c_common_emul_data *common_data,
 			      enum usbc_port port);
 
+/**
+ * @brief Test TCPCI hard reset re-init callback
+ *
+ * @param emul Pointer to TCPCI emulator
+ * @param common_data Pointer to emulated I2C bus
+ * @param port Select USBC port that will be used to obtain tcpm_drv from
+ *             tcpc_config
+ */
+void test_tcpci_hard_reset_reinit(const struct emul *emul,
+				  struct i2c_common_emul_data *common_data,
+				  enum usbc_port port);
+
 #endif /* __TCPCI_TEST_COMMON_H */
diff --git a/zephyr/test/drivers/default/src/tcpci.c b/zephyr/test/drivers/default/src/tcpci.c
index 2dbafae8c5..eeb471ea77 100644
--- a/zephyr/test/drivers/default/src/tcpci.c
+++ b/zephyr/test/drivers/default/src/tcpci.c
@@ -496,6 +496,15 @@ ZTEST(tcpci, test_generic_tcpci_mux_set_get__not_tcpc)
 	set_usb_mux_tcpc();
 }
 
+ZTEST(tcpci, test_generic_tcpci_hard_reset_reinit)
+{
+	const struct emul *emul = emul_get_binding(EMUL_LABEL);
+	struct i2c_common_emul_data *common_data =
+		emul_tcpci_generic_get_i2c_common_data(emul);
+
+	test_tcpci_hard_reset_reinit(emul, common_data, USBC_PORT_C0);
+}
+
 static void *tcpci_setup(void)
 {
 	/* This test suite assumes that first usb mux for port C0 is TCPCI */
diff --git a/zephyr/test/drivers/default/src/tcpci_test_common.c b/zephyr/test/drivers/default/src/tcpci_test_common.c
index 1369b44a08..3fb1cd40e9 100644
--- a/zephyr/test/drivers/default/src/tcpci_test_common.c
+++ b/zephyr/test/drivers/default/src/tcpci_test_common.c
@@ -1011,3 +1011,20 @@ void test_tcpci_set_bist_mode(const struct emul *emul,
 	check_tcpci_reg(emul, TCPC_REG_TCPC_CTRL, exp_ctrl);
 	check_tcpci_reg(emul, TCPC_REG_ALERT_MASK, exp_mask);
 }
+
+void test_tcpci_hard_reset_reinit(const struct emul *emul,
+				  struct i2c_common_emul_data *common_data,
+				  enum usbc_port port)
+{
+	const struct tcpm_drv *drv = tcpc_config[port].drv;
+	uint16_t power_status_mask;
+	uint16_t alert_mask;
+
+	zassume_equal(EC_SUCCESS, drv->init(port), NULL);
+	tcpci_emul_get_reg(emul, TCPC_REG_POWER_STATUS_MASK,
+			   &power_status_mask);
+	tcpci_emul_get_reg(emul, TCPC_REG_ALERT_MASK, &alert_mask);
+	zassert_ok(tcpci_hard_reset_reinit(USBC_PORT_C0), NULL);
+	check_tcpci_reg(emul, TCPC_REG_POWER_STATUS_MASK, power_status_mask);
+	check_tcpci_reg(emul, TCPC_REG_ALERT_MASK, alert_mask);
+}