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net: phy: marvell: Refactor some bigger functions
Break big functions up by using a number of smaller helper function. Solves some of the over 80 lines warnings, by reducing the indentation level. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn
David S. Miller
parent
4f48ed32fb
commit
e1dde8dc5b
@ -695,102 +695,133 @@ static int m88e3016_config_init(struct phy_device *phydev)
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return marvell_config_init(phydev);
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}
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static int m88e1111_config_init(struct phy_device *phydev)
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static int m88e1111_config_init_rgmii(struct phy_device *phydev)
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{
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int err;
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int temp;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
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if (temp < 0)
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return temp;
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if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
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temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
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} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
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temp &= ~MII_M1111_TX_DELAY;
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temp |= MII_M1111_RX_DELAY;
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} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
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temp &= ~MII_M1111_RX_DELAY;
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temp |= MII_M1111_TX_DELAY;
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}
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err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
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if (err < 0)
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return err;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK);
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if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
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temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
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else
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temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
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return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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}
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static int m88e1111_config_init_sgmii(struct phy_device *phydev)
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{
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int err;
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int temp;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK);
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temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
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temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
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err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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if (err < 0)
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return err;
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/* make sure copper is selected */
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err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
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if (err < 0)
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return err;
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return phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, err & (~0xff));
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}
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static int m88e1111_config_init_rtbi(struct phy_device *phydev)
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{
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int err;
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int temp;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
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if (temp < 0)
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return temp;
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temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
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err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
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if (err < 0)
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return err;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK |
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MII_M1111_HWCFG_FIBER_COPPER_RES);
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temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
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err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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if (err < 0)
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return err;
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/* soft reset */
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err = phy_write(phydev, MII_BMCR, BMCR_RESET);
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if (err < 0)
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return err;
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do
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temp = phy_read(phydev, MII_BMCR);
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while (temp & BMCR_RESET);
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK |
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MII_M1111_HWCFG_FIBER_COPPER_RES);
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temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI |
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MII_M1111_HWCFG_FIBER_COPPER_AUTO;
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return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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}
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static int m88e1111_config_init(struct phy_device *phydev)
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{
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int err;
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if (phy_interface_is_rgmii(phydev)) {
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temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
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if (temp < 0)
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return temp;
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if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
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temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
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} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
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temp &= ~MII_M1111_TX_DELAY;
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temp |= MII_M1111_RX_DELAY;
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} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
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temp &= ~MII_M1111_RX_DELAY;
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temp |= MII_M1111_TX_DELAY;
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}
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err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
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if (err < 0)
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return err;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK);
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if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
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temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
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else
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temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
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err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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if (err < 0)
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err = m88e1111_config_init_rgmii(phydev);
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if (err)
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return err;
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}
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if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK);
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temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
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temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
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err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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if (err < 0)
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return err;
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/* make sure copper is selected */
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err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
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if (err < 0)
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return err;
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err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
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err & (~0xff));
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err = m88e1111_config_init_sgmii(phydev);
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if (err < 0)
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return err;
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}
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if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
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temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
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if (temp < 0)
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return temp;
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temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
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err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
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if (err < 0)
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return err;
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
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temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
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err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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if (err < 0)
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return err;
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/* soft reset */
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err = phy_write(phydev, MII_BMCR, BMCR_RESET);
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if (err < 0)
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return err;
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do
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temp = phy_read(phydev, MII_BMCR);
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while (temp & BMCR_RESET);
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temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
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temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
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err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
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err = m88e1111_config_init_rtbi(phydev);
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if (err < 0)
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return err;
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}
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@ -941,10 +972,63 @@ static int m88e1149_config_init(struct phy_device *phydev)
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return phy_write(phydev, MII_BMCR, BMCR_RESET);
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}
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static int m88e1145_config_init_rgmii(struct phy_device *phydev)
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{
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int err;
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int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
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if (temp < 0)
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return temp;
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temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
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err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
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if (err < 0)
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return err;
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if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
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err = phy_write(phydev, 0x1d, 0x0012);
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if (err < 0)
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return err;
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temp = phy_read(phydev, 0x1e);
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if (temp < 0)
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return temp;
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temp &= 0xf03f;
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temp |= 2 << 9; /* 36 ohm */
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temp |= 2 << 6; /* 39 ohm */
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err = phy_write(phydev, 0x1e, temp);
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if (err < 0)
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return err;
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err = phy_write(phydev, 0x1d, 0x3);
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if (err < 0)
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return err;
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err = phy_write(phydev, 0x1e, 0x8000);
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}
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return err;
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}
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static int m88e1145_config_init_sgmii(struct phy_device *phydev)
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{
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int temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~MII_M1145_HWCFG_MODE_MASK;
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temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
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temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
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return phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
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}
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static int m88e1145_config_init(struct phy_device *phydev)
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{
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int err;
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int temp;
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/* Take care of errata E0 & E1 */
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err = phy_write(phydev, 0x1d, 0x001b);
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@ -964,54 +1048,13 @@ static int m88e1145_config_init(struct phy_device *phydev)
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return err;
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if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
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int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
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if (temp < 0)
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return temp;
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temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
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err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
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err = m88e1145_config_init_rgmii(phydev);
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if (err < 0)
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return err;
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if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
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err = phy_write(phydev, 0x1d, 0x0012);
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if (err < 0)
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return err;
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temp = phy_read(phydev, 0x1e);
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if (temp < 0)
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return temp;
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temp &= 0xf03f;
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temp |= 2 << 9; /* 36 ohm */
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temp |= 2 << 6; /* 39 ohm */
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err = phy_write(phydev, 0x1e, temp);
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if (err < 0)
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return err;
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err = phy_write(phydev, 0x1d, 0x3);
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if (err < 0)
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return err;
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err = phy_write(phydev, 0x1e, 0x8000);
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if (err < 0)
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return err;
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}
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}
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if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
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temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
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if (temp < 0)
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return temp;
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temp &= ~MII_M1145_HWCFG_MODE_MASK;
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temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
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temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
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err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
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err = m88e1145_config_init_sgmii(phydev);
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if (err < 0)
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return err;
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}
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@ -1072,6 +1115,110 @@ static int marvell_update_link(struct phy_device *phydev, int fiber)
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return 0;
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}
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static int marvell_read_status_page_an(struct phy_device *phydev,
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int fiber)
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{
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int status;
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int lpa;
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int lpagb;
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int adv;
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status = phy_read(phydev, MII_M1011_PHY_STATUS);
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if (status < 0)
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return status;
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lpa = phy_read(phydev, MII_LPA);
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if (lpa < 0)
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return lpa;
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lpagb = phy_read(phydev, MII_STAT1000);
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if (lpagb < 0)
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return lpagb;
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adv = phy_read(phydev, MII_ADVERTISE);
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if (adv < 0)
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return adv;
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lpa &= adv;
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if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
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phydev->duplex = DUPLEX_FULL;
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else
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phydev->duplex = DUPLEX_HALF;
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status = status & MII_M1011_PHY_STATUS_SPD_MASK;
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phydev->pause = 0;
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phydev->asym_pause = 0;
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switch (status) {
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case MII_M1011_PHY_STATUS_1000:
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phydev->speed = SPEED_1000;
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break;
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case MII_M1011_PHY_STATUS_100:
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phydev->speed = SPEED_100;
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break;
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default:
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phydev->speed = SPEED_10;
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break;
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}
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if (!fiber) {
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phydev->lp_advertising =
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mii_stat1000_to_ethtool_lpa_t(lpagb) |
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mii_lpa_to_ethtool_lpa_t(lpa);
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if (phydev->duplex == DUPLEX_FULL) {
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phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
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phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
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}
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} else {
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/* The fiber link is only 1000M capable */
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phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
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if (phydev->duplex == DUPLEX_FULL) {
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if (!(lpa & LPA_PAUSE_FIBER)) {
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phydev->pause = 0;
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phydev->asym_pause = 0;
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} else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
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phydev->pause = 1;
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phydev->asym_pause = 1;
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} else {
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phydev->pause = 1;
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phydev->asym_pause = 0;
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}
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}
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}
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return 0;
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}
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static int marvell_read_status_page_fixed(struct phy_device *phydev)
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{
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int bmcr = phy_read(phydev, MII_BMCR);
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if (bmcr < 0)
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return bmcr;
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if (bmcr & BMCR_FULLDPLX)
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phydev->duplex = DUPLEX_FULL;
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else
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phydev->duplex = DUPLEX_HALF;
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if (bmcr & BMCR_SPEED1000)
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phydev->speed = SPEED_1000;
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else if (bmcr & BMCR_SPEED100)
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phydev->speed = SPEED_100;
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else
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phydev->speed = SPEED_10;
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phydev->pause = 0;
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phydev->asym_pause = 0;
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phydev->lp_advertising = 0;
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return 0;
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}
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/* marvell_read_status_page
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*
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* Description:
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@ -1082,12 +1229,8 @@ static int marvell_update_link(struct phy_device *phydev, int fiber)
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*/
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static int marvell_read_status_page(struct phy_device *phydev, int page)
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{
|
||||
int adv;
|
||||
int err;
|
||||
int lpa;
|
||||
int lpagb;
|
||||
int status = 0;
|
||||
int fiber;
|
||||
int err;
|
||||
|
||||
/* Detect and update the link, but return if there
|
||||
* was an error
|
||||
@ -1101,97 +1244,12 @@ static int marvell_read_status_page(struct phy_device *phydev, int page)
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (phydev->autoneg == AUTONEG_ENABLE) {
|
||||
status = phy_read(phydev, MII_M1011_PHY_STATUS);
|
||||
if (status < 0)
|
||||
return status;
|
||||
if (phydev->autoneg == AUTONEG_ENABLE)
|
||||
err = marvell_read_status_page_an(phydev, fiber);
|
||||
else
|
||||
err = marvell_read_status_page_fixed(phydev);
|
||||
|
||||
lpa = phy_read(phydev, MII_LPA);
|
||||
if (lpa < 0)
|
||||
return lpa;
|
||||
|
||||
lpagb = phy_read(phydev, MII_STAT1000);
|
||||
if (lpagb < 0)
|
||||
return lpagb;
|
||||
|
||||
adv = phy_read(phydev, MII_ADVERTISE);
|
||||
if (adv < 0)
|
||||
return adv;
|
||||
|
||||
lpa &= adv;
|
||||
|
||||
if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
|
||||
phydev->duplex = DUPLEX_FULL;
|
||||
else
|
||||
phydev->duplex = DUPLEX_HALF;
|
||||
|
||||
status = status & MII_M1011_PHY_STATUS_SPD_MASK;
|
||||
phydev->pause = 0;
|
||||
phydev->asym_pause = 0;
|
||||
|
||||
switch (status) {
|
||||
case MII_M1011_PHY_STATUS_1000:
|
||||
phydev->speed = SPEED_1000;
|
||||
break;
|
||||
|
||||
case MII_M1011_PHY_STATUS_100:
|
||||
phydev->speed = SPEED_100;
|
||||
break;
|
||||
|
||||
default:
|
||||
phydev->speed = SPEED_10;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!fiber) {
|
||||
phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
|
||||
mii_lpa_to_ethtool_lpa_t(lpa);
|
||||
|
||||
if (phydev->duplex == DUPLEX_FULL) {
|
||||
phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
|
||||
phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
|
||||
}
|
||||
} else {
|
||||
/* The fiber link is only 1000M capable */
|
||||
phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
|
||||
|
||||
if (phydev->duplex == DUPLEX_FULL) {
|
||||
if (!(lpa & LPA_PAUSE_FIBER)) {
|
||||
phydev->pause = 0;
|
||||
phydev->asym_pause = 0;
|
||||
} else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
|
||||
phydev->pause = 1;
|
||||
phydev->asym_pause = 1;
|
||||
} else {
|
||||
phydev->pause = 1;
|
||||
phydev->asym_pause = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
int bmcr = phy_read(phydev, MII_BMCR);
|
||||
|
||||
if (bmcr < 0)
|
||||
return bmcr;
|
||||
|
||||
if (bmcr & BMCR_FULLDPLX)
|
||||
phydev->duplex = DUPLEX_FULL;
|
||||
else
|
||||
phydev->duplex = DUPLEX_HALF;
|
||||
|
||||
if (bmcr & BMCR_SPEED1000)
|
||||
phydev->speed = SPEED_1000;
|
||||
else if (bmcr & BMCR_SPEED100)
|
||||
phydev->speed = SPEED_100;
|
||||
else
|
||||
phydev->speed = SPEED_10;
|
||||
|
||||
phydev->pause = 0;
|
||||
phydev->asym_pause = 0;
|
||||
phydev->lp_advertising = 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
return err;
|
||||
}
|
||||
|
||||
/* marvell_read_status
|
||||
|
||||
Loading…
Reference in New Issue
Block a user