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Diffstat (limited to 'zephyr/test/drivers/chargesplash/src/chargesplash.c')
-rw-r--r--zephyr/test/drivers/chargesplash/src/chargesplash.c303
1 files changed, 303 insertions, 0 deletions
diff --git a/zephyr/test/drivers/chargesplash/src/chargesplash.c b/zephyr/test/drivers/chargesplash/src/chargesplash.c
new file mode 100644
index 0000000000..1b89262ce4
--- /dev/null
+++ b/zephyr/test/drivers/chargesplash/src/chargesplash.c
@@ -0,0 +1,303 @@
+/* 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/kernel.h>
+#include <stdbool.h>
+#include <zephyr/drivers/gpio/gpio_emul.h>
+#include <zephyr/shell/shell.h>
+#include <zephyr/shell/shell_uart.h>
+#include <zephyr/sys/__assert.h>
+#include <zephyr/ztest.h>
+
+#include "chipset.h"
+#include "config.h"
+#include "ec_commands.h"
+#include "extpower.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "lid_switch.h"
+#include "timer.h"
+#include "test/drivers/test_state.h"
+#include "test/drivers/utils.h"
+
+/* Do a chargesplash host cmd */
+static enum ec_status
+chargesplash_hostcmd(enum ec_chargesplash_cmd cmd,
+ struct ec_response_chargesplash *response)
+{
+ struct ec_params_chargesplash params = { .cmd = cmd };
+ struct host_cmd_handler_args args =
+ BUILD_HOST_COMMAND(EC_CMD_CHARGESPLASH, 0, *response, params);
+
+ return host_command_process(&args);
+}
+
+static bool is_chargesplash_requested(void)
+{
+ struct ec_response_chargesplash response;
+
+ zassert_ok(chargesplash_hostcmd(EC_CHARGESPLASH_GET_STATE, &response),
+ NULL);
+
+ return response.requested;
+}
+
+static struct k_poll_signal s0_signal = K_POLL_SIGNAL_INITIALIZER(s0_signal);
+static struct k_poll_event s0_event = K_POLL_EVENT_INITIALIZER(
+ K_POLL_TYPE_SIGNAL, K_POLL_MODE_NOTIFY_ONLY, &s0_signal);
+
+static void handle_chipset_s0_event(void)
+{
+ k_poll_signal_raise(&s0_signal, 0);
+}
+DECLARE_HOOK(HOOK_CHIPSET_RESUME, handle_chipset_s0_event, HOOK_PRIO_LAST);
+
+static void wait_for_chipset_startup(void)
+{
+ if (!chipset_in_state(CHIPSET_STATE_ON)) {
+ k_poll_signal_reset(&s0_signal);
+ k_poll(&s0_event, 1, K_FOREVER);
+ }
+
+ /*
+ * TODO(b/230362548): We need to give the EC a bit to "calm down"
+ * after reaching S0.
+ */
+ msleep(2000);
+}
+
+#define GPIO_LID_OPEN_EC_NODE DT_NODELABEL(gpio_lid_open_ec)
+#define GPIO_LID_OPEN_EC_CTLR DT_GPIO_CTLR(GPIO_LID_OPEN_EC_NODE, gpios)
+#define GPIO_LID_OPEN_EC_PORT DT_GPIO_PIN(GPIO_LID_OPEN_EC_NODE, gpios)
+
+static void set_lid(bool open, bool inhibit_boot)
+{
+ const struct device *lid_switch_dev =
+ DEVICE_DT_GET(GPIO_LID_OPEN_EC_CTLR);
+
+ __ASSERT(lid_is_open() != open,
+ "Lid change was requested, but it's already in that state");
+
+ if (!open) {
+ __ASSERT(!inhibit_boot,
+ "inhibit_boot should not be used with a lid close");
+ }
+
+ zassume_ok(gpio_emul_input_set(lid_switch_dev, GPIO_LID_OPEN_EC_PORT,
+ open),
+ "Failed to set lid switch GPIO");
+
+ while (lid_is_open() != open) {
+ usleep(LID_DEBOUNCE_US + 1);
+ }
+
+ if (inhibit_boot) {
+ wait_for_chipset_startup();
+ test_set_chipset_to_g3();
+ }
+}
+
+/* Simulate a regular power button press */
+static void pulse_power_button(void)
+{
+ zassert_ok(shell_execute_cmd(get_ec_shell(), "powerbtn"), NULL);
+}
+
+static void reset_state(void *unused)
+{
+ test_set_chipset_to_g3();
+
+ /*
+ * Prevent critical low battery from moving us back to G3 when
+ * lid is opened.
+ */
+ test_set_battery_level(75);
+
+ if (lid_is_open()) {
+ set_lid(false, false);
+ }
+
+ if (extpower_is_present()) {
+ set_ac_enabled(false);
+ }
+
+ zassume_ok(shell_execute_cmd(get_ec_shell(), "chargesplash reset"),
+ "'chargesplash reset' shell command failed");
+}
+
+ZTEST_SUITE(chargesplash, drivers_predicate_post_main, NULL, reset_state, NULL,
+ reset_state);
+
+/*
+ * When the lid is open and AC is connected, the chargesplash should
+ * be requested.
+ */
+ZTEST_USER(chargesplash, test_connect_ac)
+{
+ set_lid(true, true);
+
+ set_ac_enabled(true);
+ zassert_true(is_chargesplash_requested(),
+ "chargesplash should be requested");
+ wait_for_chipset_startup();
+}
+
+/*
+ * When AC is not connected and we open the lid, the chargesplash
+ * should not be requested.
+ */
+ZTEST_USER(chargesplash, test_no_connect_ac)
+{
+ set_lid(true, false);
+ zassert_false(is_chargesplash_requested(),
+ "chargesplash should not be requested");
+ wait_for_chipset_startup();
+}
+
+/*
+ * When we connect AC with the lid closed, the chargesplash should not
+ * be requested.
+ */
+ZTEST_USER(chargesplash, test_ac_connect_when_lid_closed)
+{
+ set_ac_enabled(true);
+ zassert_false(is_chargesplash_requested(),
+ "chargesplash should not be requested");
+}
+
+/*
+ * Test that, after many repeated requests, the chargesplash
+ * feature becomes locked and non-functional. This condition
+ * replicates a damaged charger or port which cannot maintain a
+ * reliable connection.
+ *
+ * Then, ensure the lockout clears after the chargesplash period
+ * passes.
+ */
+ZTEST_USER(chargesplash, test_lockout)
+{
+ int i;
+
+ set_lid(true, true);
+
+ for (i = 0; i < CONFIG_CHARGESPLASH_MAX_REQUESTS_PER_PERIOD; i++) {
+ set_ac_enabled(true);
+
+ zassert_true(is_chargesplash_requested(),
+ "chargesplash should be requested");
+ wait_for_chipset_startup();
+
+ set_ac_enabled(false);
+ test_set_chipset_to_g3();
+ }
+
+ set_ac_enabled(true);
+ zassert_false(is_chargesplash_requested(),
+ "chargesplash should be locked out");
+ set_ac_enabled(false);
+
+ sleep(CONFIG_CHARGESPLASH_PERIOD);
+
+ set_ac_enabled(true);
+ zassert_true(is_chargesplash_requested(),
+ "lockout should have cleared");
+ wait_for_chipset_startup();
+}
+
+/* Test cancel chargesplash request by power button push */
+ZTEST_USER(chargesplash, test_power_button)
+{
+ set_lid(true, true);
+
+ set_ac_enabled(true);
+ zassert_true(is_chargesplash_requested(),
+ "chargesplash should be requested");
+ wait_for_chipset_startup();
+ zassert_true(is_chargesplash_requested(),
+ "chargesplash should still be requested");
+
+ pulse_power_button();
+ zassert_false(is_chargesplash_requested(),
+ "chargesplash should be canceled by power button push");
+ zassert_true(chipset_in_state(CHIPSET_STATE_ON),
+ "chipset should be on");
+}
+
+/* Manually lockout the feature via the shell */
+ZTEST_USER(chargesplash, test_manual_lockout_via_console)
+{
+ /*
+ * Put an entry in the request log so the lockout has
+ * something to wait on to clear.
+ */
+ zassert_ok(shell_execute_cmd(get_ec_shell(), "chargesplash request"),
+ NULL);
+ zassert_true(is_chargesplash_requested(),
+ "chargesplash should be requested");
+ wait_for_chipset_startup();
+ test_set_chipset_to_g3();
+
+ zassert_ok(shell_execute_cmd(get_ec_shell(), "chargesplash lockout"),
+ NULL);
+ zassert_ok(shell_execute_cmd(get_ec_shell(), "chargesplash request"),
+ NULL);
+ zassert_false(is_chargesplash_requested(),
+ "chargesplash should be not requested due to lockout");
+
+ sleep(CONFIG_CHARGESPLASH_PERIOD);
+
+ zassert_ok(shell_execute_cmd(get_ec_shell(), "chargesplash request"),
+ NULL);
+ zassert_true(is_chargesplash_requested(),
+ "lockout should have cleared");
+ wait_for_chipset_startup();
+}
+
+/* Manually lockout the feature via host command */
+ZTEST_USER(chargesplash, test_manual_lockout_via_hostcmd)
+{
+ struct ec_response_chargesplash response;
+
+ zassert_ok(chargesplash_hostcmd(EC_CHARGESPLASH_REQUEST, &response),
+ NULL);
+ zassert_true(is_chargesplash_requested(),
+ "chargesplash should be requested");
+ wait_for_chipset_startup();
+ test_set_chipset_to_g3();
+
+ zassert_ok(chargesplash_hostcmd(EC_CHARGESPLASH_LOCKOUT, &response),
+ NULL);
+ zassert_ok(chargesplash_hostcmd(EC_CHARGESPLASH_REQUEST, &response),
+ NULL);
+ zassert_false(is_chargesplash_requested(),
+ "chargesplash should be not requested due to lockout");
+
+ sleep(CONFIG_CHARGESPLASH_PERIOD);
+
+ zassert_ok(chargesplash_hostcmd(EC_CHARGESPLASH_REQUEST, &response),
+ NULL);
+ zassert_true(is_chargesplash_requested(),
+ "lockout should have cleared");
+ wait_for_chipset_startup();
+}
+
+/* Simulate an actual run of the display loop */
+ZTEST_USER(chargesplash, test_display_loop)
+{
+ struct ec_response_chargesplash response;
+
+ set_lid(true, true);
+ set_ac_enabled(true);
+ zassert_true(is_chargesplash_requested(), NULL);
+ wait_for_chipset_startup();
+
+ zassert_ok(chargesplash_hostcmd(EC_CHARGESPLASH_DISPLAY_READY,
+ &response),
+ NULL);
+
+ zassert_true(is_chargesplash_requested(), NULL);
+ pulse_power_button();
+ zassert_false(is_chargesplash_requested(), NULL);
+}