/* 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); }