#ifndef GRETH_H #define GRETH_H #include <linux/phy.h> /* Register bits and masks */ #define GRETH_RESET 0x40 #define GRETH_MII_BUSY 0x8 #define GRETH_MII_NVALID 0x10 #define GRETH_CTRL_FD 0x10 #define GRETH_CTRL_PR 0x20 #define GRETH_CTRL_SP 0x80 #define GRETH_CTRL_GB 0x100 #define GRETH_CTRL_PSTATIEN 0x400 #define GRETH_CTRL_MCEN 0x800 #define GRETH_CTRL_DISDUPLEX 0x1000 #define GRETH_STATUS_PHYSTAT 0x100 #define GRETH_BD_EN 0x800 #define GRETH_BD_WR 0x1000 #define GRETH_BD_IE 0x2000 #define GRETH_BD_LEN 0x7FF #define GRETH_TXEN 0x1 #define GRETH_INT_TX 0x8 #define GRETH_TXI 0x4 #define GRETH_TXBD_STATUS 0x0001C000 #define GRETH_TXBD_MORE 0x20000 #define GRETH_TXBD_IPCS 0x40000 #define GRETH_TXBD_TCPCS 0x80000 #define GRETH_TXBD_UDPCS 0x100000 #define GRETH_TXBD_CSALL (GRETH_TXBD_IPCS | GRETH_TXBD_TCPCS | GRETH_TXBD_UDPCS) #define GRETH_TXBD_ERR_LC 0x10000 #define GRETH_TXBD_ERR_UE 0x4000 #define GRETH_TXBD_ERR_AL 0x8000 #define GRETH_INT_RX 0x4 #define GRETH_RXEN 0x2 #define GRETH_RXI 0x8 #define GRETH_RXBD_STATUS 0xFFFFC000 #define GRETH_RXBD_ERR_AE 0x4000 #define GRETH_RXBD_ERR_FT 0x8000 #define GRETH_RXBD_ERR_CRC 0x10000 #define GRETH_RXBD_ERR_OE 0x20000 #define GRETH_RXBD_ERR_LE 0x40000 #define GRETH_RXBD_IP 0x80000 #define GRETH_RXBD_IP_CSERR 0x100000 #define GRETH_RXBD_UDP 0x200000 #define GRETH_RXBD_UDP_CSERR 0x400000 #define GRETH_RXBD_TCP 0x800000 #define GRETH_RXBD_TCP_CSERR 0x1000000 #define GRETH_RXBD_IP_FRAG 0x2000000 #define GRETH_RXBD_MCAST 0x4000000 /* Descriptor parameters */ #define GRETH_TXBD_NUM 128 #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1) #define GRETH_TX_BUF_SIZE 2048 #define GRETH_RXBD_NUM 128 #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1) #define GRETH_RX_BUF_SIZE 2048 /* Buffers per page */ #define GRETH_RX_BUF_PPGAE (PAGE_SIZE/GRETH_RX_BUF_SIZE) #define GRETH_TX_BUF_PPGAE (PAGE_SIZE/GRETH_TX_BUF_SIZE) /* How many pages are needed for buffers */ #define GRETH_RX_BUF_PAGE_NUM (GRETH_RXBD_NUM/GRETH_RX_BUF_PPGAE) #define GRETH_TX_BUF_PAGE_NUM (GRETH_TXBD_NUM/GRETH_TX_BUF_PPGAE) /* Buffer size. * Gbit MAC uses tagged maximum frame size which is 1518 excluding CRC. * Set to 1520 to make all buffers word aligned for non-gbit MAC. */ #define MAX_FRAME_SIZE 1520 /* Flags */ #define GRETH_FLAG_RX_CSUM 0x1 /* GRETH APB registers */ struct greth_regs { u32 control; u32 status; u32 esa_msb; u32 esa_lsb; u32 mdio; u32 tx_desc_p; u32 rx_desc_p; u32 edclip; u32 hash_msb; u32 hash_lsb; }; /* GRETH buffer descriptor */ struct greth_bd { u32 stat; u32 addr; }; struct greth_private { struct sk_buff *rx_skbuff[GRETH_RXBD_NUM]; struct sk_buff *tx_skbuff[GRETH_TXBD_NUM]; unsigned char *tx_bufs[GRETH_TXBD_NUM]; unsigned char *rx_bufs[GRETH_RXBD_NUM]; u16 tx_next; u16 tx_last; u16 tx_free; u16 rx_cur; struct greth_regs *regs; /* Address of controller registers. */ struct greth_bd *rx_bd_base; /* Address of Rx BDs. */ struct greth_bd *tx_bd_base; /* Address of Tx BDs. */ dma_addr_t rx_bd_base_phys; dma_addr_t tx_bd_base_phys; int irq; struct device *dev; /* Pointer to of_device->dev */ struct net_device *netdev; struct napi_struct napi; spinlock_t devlock; struct phy_device *phy; struct mii_bus *mdio; int mdio_irqs[PHY_MAX_ADDR]; unsigned int link; unsigned int speed; unsigned int duplex; u32 msg_enable; u32 flags; u8 phyaddr; u8 multicast; u8 gbit_mac; u8 mdio_int_en; u8 edcl; }; #endif