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/* 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 <stdint.h>
#include <string.h>
#include <zephyr/kernel.h>
#include <zephyr/shell/shell_dummy.h>
#include <zephyr/ztest_assert.h>
#include <zephyr/ztest.h>
#include "console.h"
#include "gpio.h"
#include "host_command.h"
#include "test/drivers/test_state.h"
#include "usb_charge.h"
/* Expecting at least one port */
BUILD_ASSERT(ARRAY_SIZE(usb_port_enable) >= 1);
BUILD_ASSERT(USB_PORT_COUNT >= 1);
/* Index of the USB-A port under test */
#define PORT_ID 0
static int check_gpio_status_for_port(int port_id)
{
/* Ensure we don't make any invalid inquiries. These should only trip in
* the case of developer error.
*/
zassert_true(port_id < ARRAY_SIZE(usb_port_enable),
"Out of bounds port_id");
zassert_true(usb_port_enable[port_id] >= 0,
"No valid pin number for this port");
return gpio_get_level(usb_port_enable[port_id]);
}
ZTEST(usb_port_power_dumb, console_command__noargs)
{
const char *outbuffer;
size_t buffer_size;
/* With no args, print current state */
shell_backend_dummy_clear_output(get_ec_shell());
zassert_ok(shell_execute_cmd(get_ec_shell(), "usbchargemode"), NULL);
outbuffer =
shell_backend_dummy_get_output(get_ec_shell(), &buffer_size);
zassert_ok(!strstr(outbuffer, "Port " STRINGIFY(PORT_ID) ": off"),
"Actual: '%s'", outbuffer);
zassert_false(check_gpio_status_for_port(PORT_ID), NULL);
}
ZTEST(usb_port_power_dumb, console_command__modify_port_status)
{
const char *outbuffer;
size_t buffer_size;
/* Change the port status to on */
shell_backend_dummy_clear_output(get_ec_shell());
zassert_ok(shell_execute_cmd(get_ec_shell(),
"usbchargemode " STRINGIFY(PORT_ID) " on"),
NULL);
outbuffer =
shell_backend_dummy_get_output(get_ec_shell(), &buffer_size);
zassert_ok(!strstr(outbuffer, "Port " STRINGIFY(PORT_ID) ": on"),
"Actual: '%s'", outbuffer);
zassert_true(check_gpio_status_for_port(PORT_ID), NULL);
}
ZTEST(usb_port_power_dumb, console_command__invalid)
{
/* Various bad input */
zassert_ok(!shell_execute_cmd(get_ec_shell(), "usbchargemode NaN"),
NULL);
zassert_ok(!shell_execute_cmd(get_ec_shell(), "usbchargemode -1"),
NULL);
zassert_ok(!shell_execute_cmd(get_ec_shell(), "usbchargemode 10000"),
NULL);
zassert_ok(
!shell_execute_cmd(get_ec_shell(),
"usbchargemode " STRINGIFY(PORT_ID) " abc"),
NULL);
}
ZTEST(usb_port_power_dumb, host_command__enable)
{
int ret;
struct ec_params_usb_charge_set_mode params = {
.mode = USB_CHARGE_MODE_ENABLED,
.usb_port_id = PORT_ID,
};
struct host_cmd_handler_args args = BUILD_HOST_COMMAND_PARAMS(
EC_CMD_USB_CHARGE_SET_MODE, 0, params);
ret = host_command_process(&args);
zassert_ok(ret, "Host command returned %d", ret);
zassert_true(check_gpio_status_for_port(PORT_ID), NULL);
}
ZTEST(usb_port_power_dumb, host_command__invalid_port_id)
{
int ret;
struct ec_params_usb_charge_set_mode params = {
.mode = USB_CHARGE_MODE_ENABLED,
/* This port ID does not exist */
.usb_port_id = UINT8_MAX,
};
struct host_cmd_handler_args args = BUILD_HOST_COMMAND_PARAMS(
EC_CMD_USB_CHARGE_SET_MODE, 0, params);
ret = host_command_process(&args);
zassert_equal(EC_RES_ERROR, ret, "Host command returned %d", ret);
zassert_false(check_gpio_status_for_port(PORT_ID), NULL);
}
ZTEST(usb_port_power_dumb, host_command__invalid_mode)
{
int ret;
struct ec_params_usb_charge_set_mode params = {
.mode = USB_CHARGE_MODE_COUNT, /* Invalid */
.usb_port_id = PORT_ID,
};
struct host_cmd_handler_args args = BUILD_HOST_COMMAND_PARAMS(
EC_CMD_USB_CHARGE_SET_MODE, 0, params);
ret = host_command_process(&args);
zassert_equal(EC_RES_ERROR, ret, "Host command returned %d", ret);
zassert_false(check_gpio_status_for_port(PORT_ID), NULL);
}
static void reset(void *data)
{
ARG_UNUSED(data);
/* Turn the port off */
zassume_ok(usb_charge_set_mode(PORT_ID, USB_CHARGE_MODE_DISABLED,
USB_DISALLOW_SUSPEND_CHARGE),
NULL);
}
ZTEST_SUITE(usb_port_power_dumb, drivers_predicate_post_main, NULL, reset,
reset, NULL);
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