12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576 |
- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
- */
- #define LOG_CATEGORY UCLASS_MISC
- #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
- };
|