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Merge branch 'net-phy-marvell-fix-and-extend-downshift-support'

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Heiner Kallweit says:

====================
net: phy: marvell: fix and extend downshift support

This series includes two fixes and two extensions for downshift support.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-10-29 17:50:10 -07:00
commit 5b5168c76a
1 changed files with 97 additions and 21 deletions
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118
drivers/net/phy/marvell.c
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@ -53,7 +53,7 @@
#define MII_M1011_PHY_SCR 0x10
#define MII_M1011_PHY_SCR_DOWNSHIFT_EN BIT(11)
#define MII_M1011_PHY_SRC_DOWNSHIFT_MASK GENMASK(14, 12)
#define MII_M1011_PHY_SCR_DOWNSHIFT_MASK GENMASK(14, 12)
#define MII_M1011_PHY_SCR_DOWNSHIFT_MAX 8
#define MII_M1011_PHY_SCR_MDI (0x0 << 5)
#define MII_M1011_PHY_SCR_MDI_X (0x1 << 5)
@ -66,6 +66,9 @@
#define MII_M1111_PHY_LED_DIRECT 0x4100
#define MII_M1111_PHY_LED_COMBINE 0x411c
#define MII_M1111_PHY_EXT_CR 0x14
#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK GENMASK(11, 9)
#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX 8
#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN BIT(8)
#define MII_M1111_RGMII_RX_DELAY BIT(7)
#define MII_M1111_RGMII_TX_DELAY BIT(1)
#define MII_M1111_PHY_EXT_SR 0x1b
@ -788,12 +791,12 @@ static int m88e1111_get_downshift(struct phy_device *phydev, u8 *data)
{
int val, cnt, enable;
val = phy_read(phydev, MII_M1011_PHY_SCR);
val = phy_read(phydev, MII_M1111_PHY_EXT_CR);
if (val < 0)
return val;
enable = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_EN, val);
cnt = FIELD_GET(MII_M1011_PHY_SRC_DOWNSHIFT_MASK, val) + 1;
enable = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN, val);
cnt = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, val) + 1;
*data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
@ -804,19 +807,19 @@ static int m88e1111_set_downshift(struct phy_device *phydev, u8 cnt)
{
int val;
if (cnt > MII_M1011_PHY_SCR_DOWNSHIFT_MAX)
if (cnt > MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX)
return -E2BIG;
if (!cnt)
return phy_clear_bits(phydev, MII_M1011_PHY_SCR,
MII_M1011_PHY_SCR_DOWNSHIFT_EN);
return phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR,
MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN);
val = MII_M1011_PHY_SCR_DOWNSHIFT_EN;
val |= FIELD_PREP(MII_M1011_PHY_SRC_DOWNSHIFT_MASK, cnt - 1);
val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN;
val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1);
return phy_modify(phydev, MII_M1011_PHY_SCR,
MII_M1011_PHY_SCR_DOWNSHIFT_EN |
MII_M1011_PHY_SRC_DOWNSHIFT_MASK,
return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN |
MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK,
val);
}
@ -842,7 +845,65 @@ static int m88e1111_set_tunable(struct phy_device *phydev,
}
}
static void m88e1111_link_change_notify(struct phy_device *phydev)
static int m88e1011_get_downshift(struct phy_device *phydev, u8 *data)
{
int val, cnt, enable;
val = phy_read(phydev, MII_M1011_PHY_SCR);
if (val < 0)
return val;
enable = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_EN, val);
cnt = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val) + 1;
*data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
return 0;
}
static int m88e1011_set_downshift(struct phy_device *phydev, u8 cnt)
{
int val;
if (cnt > MII_M1011_PHY_SCR_DOWNSHIFT_MAX)
return -E2BIG;
if (!cnt)
return phy_clear_bits(phydev, MII_M1011_PHY_SCR,
MII_M1011_PHY_SCR_DOWNSHIFT_EN);
val = MII_M1011_PHY_SCR_DOWNSHIFT_EN;
val |= FIELD_PREP(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, cnt - 1);
return phy_modify(phydev, MII_M1011_PHY_SCR,
MII_M1011_PHY_SCR_DOWNSHIFT_EN |
MII_M1011_PHY_SCR_DOWNSHIFT_MASK,
val);
}
static int m88e1011_get_tunable(struct phy_device *phydev,
struct ethtool_tunable *tuna, void *data)
{
switch (tuna->id) {
case ETHTOOL_PHY_DOWNSHIFT:
return m88e1011_get_downshift(phydev, data);
default:
return -EOPNOTSUPP;
}
}
static int m88e1011_set_tunable(struct phy_device *phydev,
struct ethtool_tunable *tuna, const void *data)
{
switch (tuna->id) {
case ETHTOOL_PHY_DOWNSHIFT:
return m88e1011_set_downshift(phydev, *(const u8 *)data);
default:
return -EOPNOTSUPP;
}
}
static void m88e1011_link_change_notify(struct phy_device *phydev)
{
int status;
@ -875,7 +936,7 @@ static int m88e1116r_config_init(struct phy_device *phydev)
if (err < 0)
return err;
err = m88e1111_set_downshift(phydev, 8);
err = m88e1011_set_downshift(phydev, 8);
if (err < 0)
return err;
@ -1177,7 +1238,7 @@ static int m88e1540_get_tunable(struct phy_device *phydev,
case ETHTOOL_PHY_FAST_LINK_DOWN:
return m88e1540_get_fld(phydev, data);
case ETHTOOL_PHY_DOWNSHIFT:
return m88e1111_get_downshift(phydev, data);
return m88e1011_get_downshift(phydev, data);
default:
return -EOPNOTSUPP;
}
@ -1190,7 +1251,7 @@ static int m88e1540_set_tunable(struct phy_device *phydev,
case ETHTOOL_PHY_FAST_LINK_DOWN:
return m88e1540_set_fld(phydev, data);
case ETHTOOL_PHY_DOWNSHIFT:
return m88e1111_set_downshift(phydev, *(const u8 *)data);
return m88e1011_set_downshift(phydev, *(const u8 *)data);
default:
return -EOPNOTSUPP;
}
@ -2226,6 +2287,9 @@ static struct phy_driver marvell_drivers[] = {
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E1111,
@ -2245,6 +2309,9 @@ static struct phy_driver marvell_drivers[] = {
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
.get_tunable = m88e1111_get_tunable,
.set_tunable = m88e1111_set_tunable,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E1118,
@ -2283,9 +2350,9 @@ static struct phy_driver marvell_drivers[] = {
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
.get_tunable = m88e1111_get_tunable,
.set_tunable = m88e1111_set_tunable,
.link_change_notify = m88e1111_link_change_notify,
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E1318S,
@ -2380,6 +2447,9 @@ static struct phy_driver marvell_drivers[] = {
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E1510,
@ -2403,6 +2473,9 @@ static struct phy_driver marvell_drivers[] = {
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
.set_loopback = genphy_loopback,
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E1540,
@ -2425,7 +2498,7 @@ static struct phy_driver marvell_drivers[] = {
.get_stats = marvell_get_stats,
.get_tunable = m88e1540_get_tunable,
.set_tunable = m88e1540_set_tunable,
.link_change_notify = m88e1111_link_change_notify,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E1545,
@ -2446,6 +2519,9 @@ static struct phy_driver marvell_drivers[] = {
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
.get_tunable = m88e1540_get_tunable,
.set_tunable = m88e1540_set_tunable,
.link_change_notify = m88e1011_link_change_notify,
},
{
.phy_id = MARVELL_PHY_ID_88E3016,
@ -2488,7 +2564,7 @@ static struct phy_driver marvell_drivers[] = {
.get_stats = marvell_get_stats,
.get_tunable = m88e1540_get_tunable,
.set_tunable = m88e1540_set_tunable,
.link_change_notify = m88e1111_link_change_notify,
.link_change_notify = m88e1011_link_change_notify,
},
};