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/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <console/console.h>
#include <device/device.h>
#include <device/mdio.h>
#include <stddef.h>
const struct mdio_bus_operations *dev_get_mdio_ops(struct device *dev)
{
if (!dev || !dev->ops || !dev->ops->ops_mdio) {
printk(BIOS_ERR, "Could not get MDIO operations.\n");
return NULL;
}
return dev->ops->ops_mdio;
}
uint16_t mdio_read(struct device *dev, uint8_t offset)
{
const struct mdio_bus_operations *mdio_ops;
struct device *parent = dev->upstream->dev;
assert(dev->path.type == DEVICE_PATH_MDIO);
mdio_ops = dev_get_mdio_ops(parent);
if (!mdio_ops)
return 0;
return mdio_ops->read(parent, dev->path.mdio.addr, offset);
}
void mdio_write(struct device *dev, uint8_t offset, uint16_t val)
{
const struct mdio_bus_operations *mdio_ops;
struct device *parent = dev->upstream->dev;
assert(dev->path.type == DEVICE_PATH_MDIO);
mdio_ops = dev_get_mdio_ops(parent);
if (!mdio_ops)
return;
mdio_ops->write(parent, dev->path.mdio.addr, offset, val);
}
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