#define MII_VCT_TXPINS 0x1A
#define MII_VCT_RXPINS 0x1B
+#define MII_VCT_SR 0x1C
#define MII_VCT_TXPINS_ENVCT BIT(15)
#define MII_VCT_TXRXPINS_VCTTST GENMASK(14, 13)
#define MII_VCT_TXRXPINS_VCTTST_SHIFT 13
return 0;
}
+static int m88e1111_vct_cable_test_start(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = marvell_cable_test_start_common(phydev);
+ if (ret)
+ return ret;
+
+ /* It needs some magic workarounds described in VCT manual for this PHY.
+ */
+ ret = phy_write(phydev, 29, 0x0018);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write(phydev, 30, 0x00c2);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write(phydev, 30, 0x00ca);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write(phydev, 30, 0x00c2);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write_paged(phydev, MII_MARVELL_COPPER_PAGE, MII_VCT_SR,
+ MII_VCT_TXPINS_ENVCT);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write(phydev, 29, 0x0018);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write(phydev, 30, 0x0042);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static u32 m88e1111_vct_distrfln_2_cm(u8 distrfln)
+{
+ if (distrfln < 36)
+ return 0;
+
+ /* Original function for meters: y = 0.8018x - 28.751 */
+ return (8018 * distrfln - 287510) / 100;
+}
+
+static int m88e1111_vct_cable_test_get_status(struct phy_device *phydev,
+ bool *finished)
+{
+ u8 vcttst_res, distrfln;
+ int ret, result;
+
+ *finished = false;
+
+ /* Each pair use one page: A-0, B-1, C-2, D-3 */
+ for (u8 i = 0; i < 4; i++) {
+ ret = phy_read_paged(phydev, i, MII_VCT_SR);
+ if (ret < 0)
+ return ret;
+ else if (i == 0 && ret & MII_VCT_TXPINS_ENVCT)
+ return 0;
+
+ distrfln = ret & MII_VCT_TXRXPINS_DISTRFLN;
+ vcttst_res = (ret & MII_VCT_TXRXPINS_VCTTST) >>
+ MII_VCT_TXRXPINS_VCTTST_SHIFT;
+
+ result = m88e3082_vct_cable_test_report_trans(vcttst_res,
+ distrfln);
+ ethnl_cable_test_result(phydev, i, result);
+
+ if (distrfln < MII_VCT_TXRXPINS_DISTRFLN_MAX) {
+ u32 cm = m88e1111_vct_distrfln_2_cm(distrfln);
+
+ ethnl_cable_test_fault_length(phydev, i, cm);
+ }
+ }
+
+ *finished = true;
+ return 0;
+}
+
#ifdef CONFIG_HWMON
struct marvell_hwmon_ops {
int (*config)(struct phy_device *phydev);
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1111",
/* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
.probe = marvell_probe,
.config_init = m88e1111gbe_config_init,
.config_aneg = m88e1111_config_aneg,
.get_stats = marvell_get_stats,
.get_tunable = m88e1111_get_tunable,
.set_tunable = m88e1111_set_tunable,
+ .cable_test_start = m88e1111_vct_cable_test_start,
+ .cable_test_get_status = m88e1111_vct_cable_test_get_status,
},
{
.phy_id = MARVELL_PHY_ID_88E1111_FINISAR,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1145",
/* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
.probe = marvell_probe,
.config_init = m88e1145_config_init,
.config_aneg = m88e1101_config_aneg,
.get_stats = marvell_get_stats,
.get_tunable = m88e1111_get_tunable,
.set_tunable = m88e1111_set_tunable,
+ .cable_test_start = m88e1111_vct_cable_test_start,
+ .cable_test_get_status = m88e1111_vct_cable_test_get_status,
},
{
.phy_id = MARVELL_PHY_ID_88E1149R,