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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 <common.h>
- #include <dm.h>
- #include <sysinfo.h>
- struct sysinfo_priv {
- bool detected;
- };
- int sysinfo_get(struct udevice **devp)
- {
- return uclass_first_device_err(UCLASS_SYSINFO, devp);
- }
- 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);
- }
- UCLASS_DRIVER(sysinfo) = {
- .id = UCLASS_SYSINFO,
- .name = "sysinfo",
- .post_bind = dm_scan_fdt_dev,
- .per_device_auto = sizeof(bool),
- };
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