75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <misc.h>
|
|
|
|
/*
|
|
* Implement a miscellaneous uclass for those do not fit other more
|
|
* general classes. A set of generic read, write and ioctl methods may
|
|
* be used to access the device.
|
|
*/
|
|
|
|
int misc_read(struct udevice *dev, int offset, void *buf, int size)
|
|
{
|
|
const struct misc_ops *ops = device_get_ops(dev);
|
|
|
|
if (!ops->read)
|
|
return -ENOSYS;
|
|
|
|
return ops->read(dev, offset, buf, size);
|
|
}
|
|
|
|
int misc_write(struct udevice *dev, int offset, void *buf, int size)
|
|
{
|
|
const struct misc_ops *ops = device_get_ops(dev);
|
|
|
|
if (!ops->write)
|
|
return -ENOSYS;
|
|
|
|
return ops->write(dev, offset, buf, size);
|
|
}
|
|
|
|
int misc_ioctl(struct udevice *dev, unsigned long request, void *buf)
|
|
{
|
|
const struct misc_ops *ops = device_get_ops(dev);
|
|
|
|
if (!ops->ioctl)
|
|
return -ENOSYS;
|
|
|
|
return ops->ioctl(dev, request, buf);
|
|
}
|
|
|
|
int misc_call(struct udevice *dev, int msgid, void *tx_msg, int tx_size,
|
|
void *rx_msg, int rx_size)
|
|
{
|
|
const struct misc_ops *ops = device_get_ops(dev);
|
|
|
|
if (!ops->call)
|
|
return -ENOSYS;
|
|
|
|
return ops->call(dev, msgid, tx_msg, tx_size, rx_msg, rx_size);
|
|
}
|
|
|
|
int misc_set_enabled(struct udevice *dev, bool val)
|
|
{
|
|
const struct misc_ops *ops = device_get_ops(dev);
|
|
|
|
if (!ops->set_enabled)
|
|
return -ENOSYS;
|
|
|
|
return ops->set_enabled(dev, val);
|
|
}
|
|
|
|
UCLASS_DRIVER(misc) = {
|
|
.id = UCLASS_MISC,
|
|
.name = "misc",
|
|
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
|
|
.post_bind = dm_scan_fdt_dev,
|
|
#endif
|
|
};
|