diff options
Diffstat (limited to 'drivers/net/designware_eqos.h')
| -rw-r--r-- | drivers/net/designware_eqos.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/net/designware_eqos.h b/drivers/net/designware_eqos.h new file mode 100644 index 0000000000..969a524c0a --- /dev/null +++ b/drivers/net/designware_eqos.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2019 Ahmad Fatoum, Pengutronix + */ + +#ifndef __EQOS_H_ +#define __EQOS_H_ + +struct eqos; +struct eth_device; + +struct eqos_ops { + int (*init)(struct device_d *dev, struct eqos *priv); + int (*start)(struct eth_device *edev); + void (*stop)(struct eth_device *edev); + int (*get_ethaddr)(struct eth_device *dev, unsigned char *mac); + int (*set_ethaddr)(struct eth_device *edev, const unsigned char *mac); + void (*adjust_link)(struct eth_device *edev); + unsigned long (*get_csr_clk_rate)(struct eqos *); + + bool enh_desc; + int mdio_wait_us; + +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_SHIFT 0 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_MASK 3 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_NOT_ENABLED 0 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB 2 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_AV 1 + unsigned clk_csr; + +#define EQOS_MDIO_ADDR_CR_20_35 2 +#define EQOS_MDIO_ADDR_CR_250_300 5 +#define EQOS_MDIO_ADDR_SKAP BIT(4) +#define EQOS_MDIO_ADDR_GOC_SHIFT 2 +#define EQOS_MDIO_ADDR_GOC_READ 3 +#define EQOS_MDIO_ADDR_GOC_WRITE 1 +#define EQOS_MDIO_ADDR_C45E BIT(1) + unsigned config_mac; +}; + +struct eqos_desc; +struct eqos_dma_regs; +struct eqos_mac_regs; +struct eqos_mtl_regs; + +struct eqos { + struct eth_device netdev; + struct mii_bus miibus; + + u8 macaddr[6]; + + u32 tx_currdescnum, rx_currdescnum; + + struct eqos_desc *tx_descs, *rx_descs; + + void __iomem *regs; + struct eqos_mac_regs __iomem *mac_regs; + struct eqos_dma_regs __iomem *dma_regs; + struct eqos_mtl_regs __iomem *mtl_regs; + + int phy_addr; + phy_interface_t interface; + + const struct eqos_ops *ops; + void *priv; + bool started; +}; + +struct device_d; +int eqos_probe(struct device_d *dev, const struct eqos_ops *ops, void *priv); +void eqos_remove(struct device_d *dev); +int eqos_reset(struct eqos *priv); + +int eqos_get_ethaddr(struct eth_device *edev, unsigned char *mac); +int eqos_set_ethaddr(struct eth_device *edev, const unsigned char *mac); +int eqos_start(struct eth_device *edev); +void eqos_stop(struct eth_device *edev); +void eqos_adjust_link(struct eth_device *edev); + +#define eqos_dbg(eqos, ...) dev_dbg(&eqos->netdev.dev, __VA_ARGS__) +#define eqos_warn(eqos, ...) dev_warn(&eqos->netdev.dev, __VA_ARGS__) +#define eqos_err(eqos, ...) dev_err(&eqos->netdev.dev, __VA_ARGS__) + +#endif |