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Diffstat (limited to 'drivers/net/designware_eqos.h')
-rw-r--r--drivers/net/designware_eqos.h84
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 0000000..969a524
--- /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