minix/drivers/net/lan8710a/lan8710a.h

   1 #ifndef LAN8710A_H_
   2 #define LAN8710A_H_
   3
   4 #define LAN8710A_DEBUG          (1)
   5
   6 #if LAN8710A_DEBUG == 1
   7         #define LAN8710A_DEBUG_PRINT(args)              \
   8                 do {                                    \
   9                         printf("LAN8710A DEBUG: ");     \
  10                         printf args;                    \
  11                         printf("\n");                   \
  12                 } while (0)
  13 #else
  14         #define LAN8710A_DEBUG_PRINT(args)
  15 #endif
  16
  17 /* Ethernet driver defines */
  18 #define LAN8710A_NAME_LEN       (11)
  19
  20 /* Descriptors flags */
  21 #define LAN8710A_DESC_FLAG_OWN          (1 << 29) /* ownership flag */
  22 #define LAN8710A_DESC_FLAG_SOP          (1 << 31) /* start of packet flag */
  23 #define LAN8710A_DESC_FLAG_EOP          (1 << 30) /* end of packet flag */
  24
  25 /* Number of Tx and Rx interrupts */
  26 #define LAN8710A_RX_INTR                (41)
  27 #define LAN8710A_TX_INTR                (42)
  28
  29 /* Values to be written after interrupt handle and interrupt masks*/
  30 #define RX_INT                          (1)
  31 #define TX_INT                          (2)
  32
  33 /** Numbers of Tx DMA channels */
  34 #define TX_DMA_CHANNELS                 (8)
  35
  36 /** Number of transmit descriptors */
  37 #define LAN8710A_NUM_TX_DESC            (255)
  38
  39 /** Number of receive descriptors */
  40 #define LAN8710A_NUM_RX_DESC            (255)
  41
  42 /** Size of each I/O buffer per descriptor. */
  43 #define LAN8710A_IOBUF_SIZE             (1520)
  44
  45 /** MAC address override variable. */
  46 #define LAN8710A_ENVVAR                 "LAN8710AETH"
  47
  48 /** MAX DMA Channels */
  49 #define DMA_MAX_CHANNELS                (8)
  50
  51 /* Setting of Tx descriptors */
  52 #define TX_DESC_TO_PORT1                (1 << 16)
  53 #define TX_DESC_TO_PORT_EN              (1 << 20)
  54
  55 typedef struct lan8710a_desc_t
  56 {
  57         u32_t  next_pointer;
  58         u32_t  buffer_pointer;
  59         u32_t  buffer_length_off;
  60         u32_t  pkt_len_flags;
  61 } lan8710a_desc_t;
  62
  63 typedef struct lan8710a_t
  64 {
  65         lan8710a_desc_t  *rx_desc;
  66         lan8710a_desc_t  *tx_desc;
  67         phys_bytes  rx_desc_phy;
  68         phys_bytes  tx_desc_phy;
  69         int  irq_rx_hook;       /* Rx interrupt Request Vector Hook. */
  70         int  irq_tx_hook;       /* Tx interrupt Request Vector Hook. */
  71         u8_t  *regs;
  72         u32_t  phy_address;
  73         u8_t  *p_rx_buf;        /* pointer to the buffer with receive frames */
  74         u8_t  *p_tx_buf;        /* pointer to the buffer with transmit frames */
  75
  76         u16_t  tx_desc_idx;     /* index of the next transmit desciptor */
  77         u16_t  rx_desc_idx;     /* index of the next receive desciptor */
  78
  79         /* register mapping */
  80         vir_bytes  regs_cp_per;
  81         vir_bytes  regs_mdio;
  82         vir_bytes  regs_cpsw_cpdma;
  83         vir_bytes  regs_ctrl_mod;
  84         vir_bytes  regs_cpsw_sl;
  85         vir_bytes  regs_cpsw_ss;
  86         vir_bytes  regs_cpsw_stats;
  87         vir_bytes  regs_cpsw_ale;
  88         vir_bytes  regs_cpsw_wr;
  89         vir_bytes  regs_intc;
  90         vir_bytes  regs_cpdma_stram;
  91 } lan8710a_t;
  92
  93 #endif /* LAN8710A_H_ */