Ejemplos de falcon_gmii_wait en C++ (Cpp)

Ejemplo n.º 1

Archivo: falcon.c Proyecto: DirtyDroidX/android_kernel_htc_m8ul

static int falcon_mdio_write(struct net_device *net_dev,
			     int prtad, int devad, u16 addr, u16 value)
{
	struct efx_nic *efx = netdev_priv(net_dev);
	struct falcon_nic_data *nic_data = efx->nic_data;
	efx_oword_t reg;
	int rc;

	netif_vdbg(efx, hw, efx->net_dev,
		   "writing MDIO %d register %d.%d with 0x%04x\n",
		    prtad, devad, addr, value);

	mutex_lock(&nic_data->mdio_lock);

	
	rc = falcon_gmii_wait(efx);
	if (rc)
		goto out;

	
	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
	efx_writeo(efx, &reg, FR_AB_MD_PHY_ADR);

	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
			     FRF_AB_MD_DEV_ADR, devad);
	efx_writeo(efx, &reg, FR_AB_MD_ID);

	
	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_TXD, value);
	efx_writeo(efx, &reg, FR_AB_MD_TXD);

	EFX_POPULATE_OWORD_2(reg,
			     FRF_AB_MD_WRC, 1,
			     FRF_AB_MD_GC, 0);
	efx_writeo(efx, &reg, FR_AB_MD_CS);

	/* Wait for data to be written */
	rc = falcon_gmii_wait(efx);
	if (rc) {
		
		EFX_POPULATE_OWORD_2(reg,
				     FRF_AB_MD_WRC, 0,
				     FRF_AB_MD_GC, 1);
		efx_writeo(efx, &reg, FR_AB_MD_CS);
		udelay(10);
	}

out:
	mutex_unlock(&nic_data->mdio_lock);
	return rc;
}

Ejemplo n.º 2

Archivo: falcon.c Proyecto: DirtyDroidX/android_kernel_htc_m8ul

static int falcon_mdio_read(struct net_device *net_dev,
			    int prtad, int devad, u16 addr)
{
	struct efx_nic *efx = netdev_priv(net_dev);
	struct falcon_nic_data *nic_data = efx->nic_data;
	efx_oword_t reg;
	int rc;

	mutex_lock(&nic_data->mdio_lock);

	
	rc = falcon_gmii_wait(efx);
	if (rc)
		goto out;

	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
	efx_writeo(efx, &reg, FR_AB_MD_PHY_ADR);

	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
			     FRF_AB_MD_DEV_ADR, devad);
	efx_writeo(efx, &reg, FR_AB_MD_ID);

	
	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_RDC, 1, FRF_AB_MD_GC, 0);
	efx_writeo(efx, &reg, FR_AB_MD_CS);

	
	rc = falcon_gmii_wait(efx);
	if (rc == 0) {
		efx_reado(efx, &reg, FR_AB_MD_RXD);
		rc = EFX_OWORD_FIELD(reg, FRF_AB_MD_RXD);
		netif_vdbg(efx, hw, efx->net_dev,
			   "read from MDIO %d register %d.%d, got %04x\n",
			   prtad, devad, addr, rc);
	} else {
		
		EFX_POPULATE_OWORD_2(reg,
				     FRF_AB_MD_RIC, 0,
				     FRF_AB_MD_GC, 1);
		efx_writeo(efx, &reg, FR_AB_MD_CS);

		netif_dbg(efx, hw, efx->net_dev,
			  "read from MDIO %d register %d.%d, got error %d\n",
			  prtad, devad, addr, rc);
	}

out:
	mutex_unlock(&nic_data->mdio_lock);
	return rc;
}

Ejemplo n.º 3

Archivo: falcon.c Proyecto: AdrianHuang/uclinux-robutest

/* Write an MDIO register of a PHY connected to Falcon. */
static int falcon_mdio_write(struct net_device *net_dev,
			     int prtad, int devad, u16 addr, u16 value)
{
	struct efx_nic *efx = netdev_priv(net_dev);
	efx_oword_t reg;
	int rc;

	EFX_REGDUMP(efx, "writing MDIO %d register %d.%d with 0x%04x\n",
		    prtad, devad, addr, value);

	mutex_lock(&efx->mdio_lock);

	/* Check MDIO not currently being accessed */
	rc = falcon_gmii_wait(efx);
	if (rc)
		goto out;

	/* Write the address/ID register */
	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
	efx_writeo(efx, &reg, FR_AB_MD_PHY_ADR);

	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
			     FRF_AB_MD_DEV_ADR, devad);
	efx_writeo(efx, &reg, FR_AB_MD_ID);

	/* Write data */
	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_TXD, value);
	efx_writeo(efx, &reg, FR_AB_MD_TXD);

	EFX_POPULATE_OWORD_2(reg,
			     FRF_AB_MD_WRC, 1,
			     FRF_AB_MD_GC, 0);
	efx_writeo(efx, &reg, FR_AB_MD_CS);

	/* Wait for data to be written */
	rc = falcon_gmii_wait(efx);
	if (rc) {
		/* Abort the write operation */
		EFX_POPULATE_OWORD_2(reg,
				     FRF_AB_MD_WRC, 0,
				     FRF_AB_MD_GC, 1);
		efx_writeo(efx, &reg, FR_AB_MD_CS);
		udelay(10);
	}

out:
	mutex_unlock(&efx->mdio_lock);
	return rc;
}

Ejemplo n.º 4

Archivo: falcon.c Proyecto: AdrianHuang/uclinux-robutest

/* Read an MDIO register of a PHY connected to Falcon. */
static int falcon_mdio_read(struct net_device *net_dev,
			    int prtad, int devad, u16 addr)
{
	struct efx_nic *efx = netdev_priv(net_dev);
	efx_oword_t reg;
	int rc;

	mutex_lock(&efx->mdio_lock);

	/* Check MDIO not currently being accessed */
	rc = falcon_gmii_wait(efx);
	if (rc)
		goto out;

	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
	efx_writeo(efx, &reg, FR_AB_MD_PHY_ADR);

	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
			     FRF_AB_MD_DEV_ADR, devad);
	efx_writeo(efx, &reg, FR_AB_MD_ID);

	/* Request data to be read */
	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_RDC, 1, FRF_AB_MD_GC, 0);
	efx_writeo(efx, &reg, FR_AB_MD_CS);

	/* Wait for data to become available */
	rc = falcon_gmii_wait(efx);
	if (rc == 0) {
		efx_reado(efx, &reg, FR_AB_MD_RXD);
		rc = EFX_OWORD_FIELD(reg, FRF_AB_MD_RXD);
		EFX_REGDUMP(efx, "read from MDIO %d register %d.%d, got %04x\n",
			    prtad, devad, addr, rc);
	} else {
		/* Abort the read operation */
		EFX_POPULATE_OWORD_2(reg,
				     FRF_AB_MD_RIC, 0,
				     FRF_AB_MD_GC, 1);
		efx_writeo(efx, &reg, FR_AB_MD_CS);

		EFX_LOG(efx, "read from MDIO %d register %d.%d, got error %d\n",
			prtad, devad, addr, rc);
	}

out:
	mutex_unlock(&efx->mdio_lock);
	return rc;
}