linux/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c

// SPDX-License-Identifier: GPL-2.0-only
/*******************************************************************************
  This is the driver for the GMAC on-chip Ethernet controller for ST SoCs.
  DWC Ether MAC 10/100/1000 Universal version 3.41a  has been used for
  developing this code.

  This contains the functions to handle the dma.

  Copyright (C) 2007-2009  STMicroelectronics Ltd


  Author: Giuseppe Cavallaro <[email protected]>
*******************************************************************************/

#include <linux/io.h>
#include "dwmac1000.h"
#include "dwmac_dma.h"

static void dwmac1000_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi)
{ … }

static void dwmac1000_dma_init(void __iomem *ioaddr,
			       struct stmmac_dma_cfg *dma_cfg, int atds)
{ … }

static void dwmac1000_dma_init_rx(struct stmmac_priv *priv,
				  void __iomem *ioaddr,
				  struct stmmac_dma_cfg *dma_cfg,
				  dma_addr_t dma_rx_phy, u32 chan)
{ … }

static void dwmac1000_dma_init_tx(struct stmmac_priv *priv,
				  void __iomem *ioaddr,
				  struct stmmac_dma_cfg *dma_cfg,
				  dma_addr_t dma_tx_phy, u32 chan)
{ … }

static u32 dwmac1000_configure_fc(u32 csr6, int rxfifosz)
{ … }

static void dwmac1000_dma_operation_mode_rx(struct stmmac_priv *priv,
					    void __iomem *ioaddr, int mode,
					    u32 channel, int fifosz, u8 qmode)
{ … }

static void dwmac1000_dma_operation_mode_tx(struct stmmac_priv *priv,
					    void __iomem *ioaddr, int mode,
					    u32 channel, int fifosz, u8 qmode)
{ … }

static void dwmac1000_dump_dma_regs(struct stmmac_priv *priv,
				    void __iomem *ioaddr, u32 *reg_space)
{ … }

static int dwmac1000_get_hw_feature(void __iomem *ioaddr,
				    struct dma_features *dma_cap)
{ … }

static void dwmac1000_rx_watchdog(struct stmmac_priv *priv,
				  void __iomem *ioaddr, u32 riwt, u32 queue)
{ … }

const struct stmmac_dma_ops dwmac1000_dma_ops = …;