blob: b0f899bbdcc5637a9317670dd5a82c96327ebd1b [file] [log] [blame]
/*
* Copyright (c) 2018 Nordic Semiconductor ASA
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/shell/shell.h>
#include <zephyr/init.h>
#include <string.h>
#include <stdio.h>
#include <zephyr/device.h>
#include <zephyr/pm/device.h>
#include <zephyr/pm/device_runtime.h>
#include <zephyr/sys/arch_interface.h>
static const char *get_device_name(const struct device *dev,
char *buf,
size_t len)
{
const char *name = dev->name;
if ((name == NULL) || (name[0] == 0)) {
snprintf(buf, len, "[%p]", dev);
name = buf;
}
return name;
}
struct cmd_device_list_visitor_context {
const struct shell *sh;
char *buf;
size_t buf_size;
};
static int cmd_device_list_visitor(const struct device *dev,
void *context)
{
const struct cmd_device_list_visitor_context *ctx = context;
shell_fprintf(ctx->sh, SHELL_NORMAL, " requires: %s\n",
get_device_name(dev, ctx->buf, ctx->buf_size));
return 0;
}
static int cmd_device_list(const struct shell *sh,
size_t argc, char **argv)
{
const struct device *devlist;
size_t devcnt = z_device_get_all_static(&devlist);
const struct device *devlist_end = devlist + devcnt;
const struct device *dev;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
shell_fprintf(sh, SHELL_NORMAL, "devices:\n");
for (dev = devlist; dev < devlist_end; dev++) {
char buf[20];
const char *name = get_device_name(dev, buf, sizeof(buf));
const char *state = "READY";
shell_fprintf(sh, SHELL_NORMAL, "- %s", name);
if (!device_is_ready(dev)) {
state = "DISABLED";
} else {
#ifdef CONFIG_PM_DEVICE
enum pm_device_state st = PM_DEVICE_STATE_ACTIVE;
int err = pm_device_state_get(dev, &st);
if (!err) {
state = pm_device_state_str(st);
}
#endif /* CONFIG_PM_DEVICE */
}
shell_fprintf(sh, SHELL_NORMAL, " (%s)\n", state);
if (!k_is_user_context()) {
struct cmd_device_list_visitor_context ctx = {
.sh = sh,
.buf = buf,
.buf_size = sizeof(buf),
};
(void)device_required_foreach(dev, cmd_device_list_visitor, &ctx);
}
}
return 0;
}
#ifdef CONFIG_PM_DEVICE_RUNTIME
static int cmd_device_pm_toggle(const struct shell *sh,
size_t argc, char **argv)
{
const struct device *dev;
enum pm_device_state pm_state;
dev = device_get_binding(argv[1]);
if (dev == NULL) {
shell_error(sh, "Device unknown (%s)", argv[1]);
return -ENODEV;
}
if (!pm_device_runtime_is_enabled(dev)) {
shell_error(sh, "Device (%s) does not have runtime power management",
argv[1]);
return -ENOTSUP;
}
(void)pm_device_state_get(dev, &pm_state);
if (pm_state == PM_DEVICE_STATE_ACTIVE) {
shell_fprintf(sh, SHELL_NORMAL, "pm_device_runtime_put(%s)\n",
argv[1]);
pm_device_runtime_put(dev);
} else {
shell_fprintf(sh, SHELL_NORMAL, "pm_device_runtime_get(%s)\n",
argv[1]);
pm_device_runtime_get(dev);
}
return 0;
}
#define PM_SHELL_CMD SHELL_CMD(pm_toggle, NULL, "Toggle device power (pm get/put)",\
cmd_device_pm_toggle),
#else
#define PM_SHELL_CMD
#endif /* CONFIG_PM_DEVICE_RUNTIME */
SHELL_STATIC_SUBCMD_SET_CREATE(sub_device,
SHELL_CMD(list, NULL, "List configured devices", cmd_device_list),
PM_SHELL_CMD
SHELL_SUBCMD_SET_END /* Array terminated. */
);
SHELL_CMD_REGISTER(device, &sub_device, "Device commands", NULL);