/*
   * Copyright 2014-2017 Broadcom.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef _BCM_SF2_ETH_H_
  #define _BCM_SF2_ETH_H_
  
  #include <phy.h>
  
  #define RX_BUF_SIZE	2048
  /* RX_BUF_NUM must be power of 2 */
  #define RX_BUF_NUM	32
  
  #define TX_BUF_SIZE	2048
  /* TX_BUF_NUM must be power of 2 */
  #define TX_BUF_NUM	2
  
  /* Support 2 Ethernet ports now */
  #define BCM_ETH_MAX_PORT_NUM	2
  
  enum {
  	MAC_DMA_TX = 1,
  	MAC_DMA_RX = 2
  };
  
  struct eth_dma {
  	void *tx_desc_aligned;
  	void *rx_desc_aligned;
  
  	uint8_t *tx_buf;
  	uint8_t *rx_buf;
  
  	int cur_tx_index;
  	int cur_rx_index;
  
  	int (*tx_packet)(struct eth_dma *dma, void *packet, int length);
  	bool (*check_tx_done)(struct eth_dma *dma);
  
  	int (*check_rx_done)(struct eth_dma *dma, uint8_t *buf);
  
  	int (*enable_dma)(struct eth_dma *dma, int dir);
  	int (*disable_dma)(struct eth_dma *dma, int dir);
  };
  
  struct eth_info {
  	struct eth_dma dma;
  	phy_interface_t phy_interface;
  	struct phy_device *port[BCM_ETH_MAX_PORT_NUM];
  	int port_num;
  
  	int (*miiphy_read)(struct mii_dev *bus, int phyaddr, int devad,
  			   int reg);
  	int (*miiphy_write)(struct mii_dev *bus, int phyaddr, int devad,
  			    int reg, u16 value);
  
  	int (*mac_init)(struct eth_device *dev);
  	int (*enable_mac)(void);
  	int (*disable_mac)(void);
  	int (*set_mac_addr)(unsigned char *mac);
  	int (*set_mac_speed)(int speed, int duplex);
  
  };
  
  #endif /* _BCM_SF2_ETH_H_ */