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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2017
* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
*/
#define LOG_CATEGORY UCLASS_SYSINFO
#include <dm.h>
#include <sysinfo.h>
struct sysinfo_priv {
bool detected;
};
int sysinfo_get(struct udevice **devp)
{
int ret = uclass_first_device_err(UCLASS_SYSINFO, devp);
/*
* There is some very dodgy error handling in gazerbeam,
* do not return a device on error.
*/
if (ret)
*devp = NULL;
return ret;
}
int sysinfo_detect(struct udevice *dev)
{
int ret;
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!ops->detect)
return -ENOSYS;
ret = ops->detect(dev);
if (!ret)
priv->detected = true;
return ret;
}
int sysinfo_get_fit_loadable(struct udevice *dev, int index, const char *type,
const char **strp)
{
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_fit_loadable)
return -ENOSYS;
return ops->get_fit_loadable(dev, index, type, strp);
}
int sysinfo_get_bool(struct udevice *dev, int id, bool *val)
{
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_bool)
return -ENOSYS;
return ops->get_bool(dev, id, val);
}
int sysinfo_get_int(struct udevice *dev, int id, int *val)
{
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_int)
return -ENOSYS;
return ops->get_int(dev, id, val);
}
int sysinfo_get_str(struct udevice *dev, int id, size_t size, char *val)
{
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_str)
return -ENOSYS;
return ops->get_str(dev, id, size, val);
}
int sysinfo_get_data(struct udevice *dev, int id, void **data, size_t *size)
{
struct sysinfo_priv *priv;
struct sysinfo_ops *ops;
if (!dev)
return -ENOSYS;
priv = dev_get_uclass_priv(dev);
ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_data)
return -ENOSYS;
return ops->get_data(dev, id, data, size);
}
int sysinfo_get_item_count(struct udevice *dev, int id)
{
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_item_count)
return -ENOSYS;
return ops->get_item_count(dev, id);
}
int sysinfo_get_data_by_index(struct udevice *dev, int id, int index,
void **data, size_t *size)
{
struct sysinfo_priv *priv = dev_get_uclass_priv(dev);
struct sysinfo_ops *ops = sysinfo_get_ops(dev);
if (!priv->detected)
return -EPERM;
if (!ops->get_data_by_index)
return -ENOSYS;
return ops->get_data_by_index(dev, id, index, data, size);
}
UCLASS_DRIVER(sysinfo) = {
.id = UCLASS_SYSINFO,
.name = "sysinfo",
.post_bind = dm_scan_fdt_dev,
.per_device_auto = sizeof(bool),
};
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