drivers/net/bcm-sf2-eth.h

   1 /*
   2  * Copyright 2014 Broadcom Corporation.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #ifndef _BCM_SF2_ETH_H_
   8 #define _BCM_SF2_ETH_H_
   9
  10 #include <phy.h>
  11
  12 #define RX_BUF_SIZE     2048
  13 /* RX_BUF_NUM must be power of 2 */
  14 #define RX_BUF_NUM      32
  15
  16 #define TX_BUF_SIZE     2048
  17 /* TX_BUF_NUM must be power of 2 */
  18 #define TX_BUF_NUM      2
  19
  20 /* Support 2 Ethernet ports now */
  21 #define BCM_ETH_MAX_PORT_NUM    2
  22
  23 #define CONFIG_BCM_SF2_ETH_DEFAULT_PORT 0
  24
  25 enum {
  26         MAC_DMA_TX = 1,
  27         MAC_DMA_RX = 2
  28 };
  29
  30 struct eth_dma {
  31         void *tx_desc_aligned;
  32         void *rx_desc_aligned;
  33         void *tx_desc;
  34         void *rx_desc;
  35
  36         uint8_t *tx_buf;
  37         uint8_t *rx_buf;
  38
  39         int cur_tx_index;
  40         int cur_rx_index;
  41
  42         int (*tx_packet)(struct eth_dma *dma, void *packet, int length);
  43         bool (*check_tx_done)(struct eth_dma *dma);
  44
  45         int (*check_rx_done)(struct eth_dma *dma, uint8_t *buf);
  46
  47         int (*enable_dma)(struct eth_dma *dma, int dir);
  48         int (*disable_dma)(struct eth_dma *dma, int dir);
  49 };
  50
  51 struct eth_info {
  52         struct eth_dma dma;
  53         phy_interface_t phy_interface;
  54         struct phy_device *port[BCM_ETH_MAX_PORT_NUM];
  55         int port_num;
  56
  57         int (*miiphy_read)(struct mii_dev *bus, int phyaddr, int devad,
  58                            int reg);
  59         int (*miiphy_write)(struct mii_dev *bus, int phyaddr, int devad,
  60                             int reg, u16 value);
  61
  62         int (*mac_init)(struct eth_device *dev);
  63         int (*enable_mac)(void);
  64         int (*disable_mac)(void);
  65         int (*set_mac_addr)(unsigned char *mac);
  66         int (*set_mac_speed)(int speed, int duplex);
  67
  68 };
  69
  70 #endif /* _BCM_SF2_ETH_H_ */