return !!(reg & MV88E6XXX_PORT_STS_PHY_DETECT);
}
-static int mv88e6xxx_serdes_pcs_get_state(struct dsa_switch *ds, int port,
- struct phylink_link_state *state)
-{
- struct mv88e6xxx_chip *chip = ds->priv;
- int lane;
- int err;
-
- mv88e6xxx_reg_lock(chip);
- lane = mv88e6xxx_serdes_get_lane(chip, port);
- if (lane >= 0 && chip->info->ops->serdes_pcs_get_state)
- err = chip->info->ops->serdes_pcs_get_state(chip, port, lane,
- state);
- else
- err = -EOPNOTSUPP;
- mv88e6xxx_reg_unlock(chip);
-
- return err;
-}
-
-static int mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
- unsigned int mode,
- phy_interface_t interface,
- const unsigned long *advertise)
-{
- const struct mv88e6xxx_ops *ops = chip->info->ops;
- int lane;
-
- if (ops->serdes_pcs_config) {
- lane = mv88e6xxx_serdes_get_lane(chip, port);
- if (lane >= 0)
- return ops->serdes_pcs_config(chip, port, lane, mode,
- interface, advertise);
- }
-
- return 0;
-}
-
-static void mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch *ds, int port)
-{
- struct mv88e6xxx_chip *chip = ds->priv;
- const struct mv88e6xxx_ops *ops;
- int err = 0;
- int lane;
-
- ops = chip->info->ops;
-
- if (ops->serdes_pcs_an_restart) {
- mv88e6xxx_reg_lock(chip);
- lane = mv88e6xxx_serdes_get_lane(chip, port);
- if (lane >= 0)
- err = ops->serdes_pcs_an_restart(chip, port, lane);
- mv88e6xxx_reg_unlock(chip);
-
- if (err)
- dev_err(ds->dev, "p%d: failed to restart AN\n", port);
- }
-}
-
-static int mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
- unsigned int mode,
- int speed, int duplex)
-{
- const struct mv88e6xxx_ops *ops = chip->info->ops;
- int lane;
-
- if (!phylink_autoneg_inband(mode) && ops->serdes_pcs_link_up) {
- lane = mv88e6xxx_serdes_get_lane(chip, port);
- if (lane >= 0)
- return ops->serdes_pcs_link_up(chip, port, lane,
- speed, duplex);
- }
-
- return 0;
-}
-
static const u8 mv88e6185_phy_interface_modes[] = {
[MV88E6185_PORT_STS_CMODE_GMII_FD] = PHY_INTERFACE_MODE_GMII,
[MV88E6185_PORT_STS_CMODE_MII_100_FD_PS] = PHY_INTERFACE_MODE_MII,
config->supported_interfaces);
}
- /* If we have a .pcs_ops, or don't have a .serdes_pcs_get_state,
- * serdes_pcs_config, serdes_pcs_an_restart, or serdes_pcs_link_up,
- * we are not legacy.
- */
- if (chip->info->ops->pcs_ops ||
- (!chip->info->ops->serdes_pcs_get_state &&
- !chip->info->ops->serdes_pcs_config &&
- !chip->info->ops->serdes_pcs_an_restart &&
- !chip->info->ops->serdes_pcs_link_up))
+ /* If we have a .pcs_init, we are not legacy. */
+ if (chip->info->ops->pcs_ops)
config->legacy_pre_march2020 = false;
}
state->interface);
if (err && err != -EOPNOTSUPP)
goto err_unlock;
-
- err = mv88e6xxx_serdes_pcs_config(chip, port, mode,
- state->interface,
- state->advertising);
- /* FIXME: we should restart negotiation if something changed -
- * which is something we get if we convert to using phylinks
- * PCS operations.
- */
- if (err > 0)
- err = 0;
}
err_unlock:
*/
if (!mv88e6xxx_port_ppu_updates(chip, port) ||
mode == MLO_AN_FIXED) {
- /* FIXME: for an automedia port, should we force the link
- * down here - what if the link comes up due to "other" media
- * while we're bringing the port up, how is the exclusivity
- * handled in the Marvell hardware? E.g. port 2 on 88E6390
- * shared between internal PHY and Serdes.
- */
- err = mv88e6xxx_serdes_pcs_link_up(chip, port, mode, speed,
- duplex);
- if (err)
- goto error;
-
if (ops->port_set_speed_duplex) {
err = ops->port_set_speed_duplex(chip, port,
speed, duplex);
return 0;
}
-static irqreturn_t mv88e6xxx_serdes_irq_thread_fn(int irq, void *dev_id)
-{
- struct mv88e6xxx_port *mvp = dev_id;
- struct mv88e6xxx_chip *chip = mvp->chip;
- irqreturn_t ret = IRQ_NONE;
- int port = mvp->port;
- int lane;
-
- mv88e6xxx_reg_lock(chip);
- lane = mv88e6xxx_serdes_get_lane(chip, port);
- if (lane >= 0)
- ret = mv88e6xxx_serdes_irq_status(chip, port, lane);
- mv88e6xxx_reg_unlock(chip);
-
- return ret;
-}
-
-static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port,
- int lane)
-{
- struct mv88e6xxx_port *dev_id = &chip->ports[port];
- unsigned int irq;
- int err;
-
- /* Nothing to request if this SERDES port has no IRQ */
- irq = mv88e6xxx_serdes_irq_mapping(chip, port);
- if (!irq)
- return 0;
-
- snprintf(dev_id->serdes_irq_name, sizeof(dev_id->serdes_irq_name),
- "mv88e6xxx-%s-serdes-%d", dev_name(chip->dev), port);
-
- /* Requesting the IRQ will trigger IRQ callbacks, so release the lock */
- mv88e6xxx_reg_unlock(chip);
- err = request_threaded_irq(irq, NULL, mv88e6xxx_serdes_irq_thread_fn,
- IRQF_ONESHOT, dev_id->serdes_irq_name,
- dev_id);
- mv88e6xxx_reg_lock(chip);
- if (err)
- return err;
-
- dev_id->serdes_irq = irq;
-
- return mv88e6xxx_serdes_irq_enable(chip, port, lane);
-}
-
-static int mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip *chip, int port,
- int lane)
-{
- struct mv88e6xxx_port *dev_id = &chip->ports[port];
- unsigned int irq = dev_id->serdes_irq;
- int err;
-
- /* Nothing to free if no IRQ has been requested */
- if (!irq)
- return 0;
-
- err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
-
- /* Freeing the IRQ will trigger IRQ callbacks, so release the lock */
- mv88e6xxx_reg_unlock(chip);
- free_irq(irq, dev_id);
- mv88e6xxx_reg_lock(chip);
-
- dev_id->serdes_irq = 0;
-
- return err;
-}
-
-static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
- bool on)
-{
- int lane;
- int err;
-
- lane = mv88e6xxx_serdes_get_lane(chip, port);
- if (lane < 0)
- return 0;
-
- if (on) {
- err = mv88e6xxx_serdes_power_up(chip, port, lane);
- if (err)
- return err;
-
- err = mv88e6xxx_serdes_irq_request(chip, port, lane);
- } else {
- err = mv88e6xxx_serdes_irq_free(chip, port, lane);
- if (err)
- return err;
-
- err = mv88e6xxx_serdes_power_down(chip, port, lane);
- }
-
- return err;
-}
-
static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
enum mv88e6xxx_egress_direction direction,
int port)
return ret;
}
-static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
- struct phy_device *phydev)
-{
- struct mv88e6xxx_chip *chip = ds->priv;
- int err;
-
- /* Do not control power or request irqs if using PCS */
- if (chip->info->ops->pcs_ops)
- return 0;
-
- mv88e6xxx_reg_lock(chip);
- err = mv88e6xxx_serdes_power(chip, port, true);
- mv88e6xxx_reg_unlock(chip);
-
- return err;
-}
-
-static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port)
-{
- struct mv88e6xxx_chip *chip = ds->priv;
-
- /* Do not control power or request irqs if using PCS */
- if (chip->info->ops->pcs_ops)
- return;
-
- mv88e6xxx_reg_lock(chip);
- if (mv88e6xxx_serdes_power(chip, port, false))
- dev_err(chip->dev, "failed to power off SERDES\n");
- mv88e6xxx_reg_unlock(chip);
-}
-
static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
unsigned int ageing_time)
{
.port_teardown = mv88e6xxx_port_teardown,
.phylink_get_caps = mv88e6xxx_get_caps,
.phylink_mac_select_pcs = mv88e6xxx_mac_select_pcs,
- .phylink_mac_link_state = mv88e6xxx_serdes_pcs_get_state,
.phylink_mac_prepare = mv88e6xxx_mac_prepare,
.phylink_mac_config = mv88e6xxx_mac_config,
.phylink_mac_finish = mv88e6xxx_mac_finish,
- .phylink_mac_an_restart = mv88e6xxx_serdes_pcs_an_restart,
.phylink_mac_link_down = mv88e6xxx_mac_link_down,
.phylink_mac_link_up = mv88e6xxx_mac_link_up,
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
- .port_enable = mv88e6xxx_port_enable,
- .port_disable = mv88e6xxx_port_disable,
.port_max_mtu = mv88e6xxx_get_max_mtu,
.port_change_mtu = mv88e6xxx_change_mtu,
.get_mac_eee = mv88e6xxx_get_mac_eee,
projects / platform / kernel / linux-rpi.git / commitdiff