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openwrt/target/linux/generic/backport-6.1/826-v6.6-03-net-phy-marvell-Add-support-for-offloading-LED-blink.patch
Christian Marangi 6b63fcf8df
generic: 6.1: backport patch adding support for LED PHY 
Backport patch adding support for LED PHY directly in PHY ops struct.
Add new PHYLIB_LEDS config and refresh patches.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2023-08-19 12:51:08 +02:00

345 lines
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From 460b0b648fab24f576c481424e0de5479ffb9786 Mon Sep 17 00:00:00 2001
From: Andrew Lunn <andrew@lunn.ch>
Date: Tue, 8 Aug 2023 23:04:35 +0200
Subject: [PATCH 3/4] net: phy: marvell: Add support for offloading LED
blinking
Add the code needed to indicate if a given blinking pattern can be
offloaded, to offload a pattern and to try to return the current
pattern.
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/20230808210436.838995-4-andrew@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/phy/marvell.c | 281 ++++++++++++++++++++++++++++++++++++++
1 file changed, 281 insertions(+)
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -2893,6 +2893,272 @@ static int m88e1318_led_blink_set(struct
MII_88E1318S_PHY_LED_FUNC, reg);
}
+struct marvell_led_rules {
+ int mode;
+ unsigned long rules;
+};
+
+static const struct marvell_led_rules marvell_led0[] = {
+ {
+ .mode = 0,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ },
+ {
+ .mode = 1,
+ .rules = (BIT(TRIGGER_NETDEV_LINK) |
+ BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 3,
+ .rules = (BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 4,
+ .rules = (BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 5,
+ .rules = BIT(TRIGGER_NETDEV_TX),
+ },
+ {
+ .mode = 6,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ },
+ {
+ .mode = 7,
+ .rules = BIT(TRIGGER_NETDEV_LINK_1000),
+ },
+ {
+ .mode = 8,
+ .rules = 0,
+ },
+};
+
+static const struct marvell_led_rules marvell_led1[] = {
+ {
+ .mode = 1,
+ .rules = (BIT(TRIGGER_NETDEV_LINK) |
+ BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 2,
+ .rules = (BIT(TRIGGER_NETDEV_LINK) |
+ BIT(TRIGGER_NETDEV_RX)),
+ },
+ {
+ .mode = 3,
+ .rules = (BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 4,
+ .rules = (BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 6,
+ .rules = (BIT(TRIGGER_NETDEV_LINK_100) |
+ BIT(TRIGGER_NETDEV_LINK_1000)),
+ },
+ {
+ .mode = 7,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100),
+ },
+ {
+ .mode = 8,
+ .rules = 0,
+ },
+};
+
+static const struct marvell_led_rules marvell_led2[] = {
+ {
+ .mode = 0,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ },
+ {
+ .mode = 1,
+ .rules = (BIT(TRIGGER_NETDEV_LINK) |
+ BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 3,
+ .rules = (BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 4,
+ .rules = (BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX)),
+ },
+ {
+ .mode = 5,
+ .rules = BIT(TRIGGER_NETDEV_TX),
+ },
+ {
+ .mode = 6,
+ .rules = (BIT(TRIGGER_NETDEV_LINK_10) |
+ BIT(TRIGGER_NETDEV_LINK_1000)),
+ },
+ {
+ .mode = 7,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10),
+ },
+ {
+ .mode = 8,
+ .rules = 0,
+ },
+};
+
+static int marvell_find_led_mode(unsigned long rules,
+ const struct marvell_led_rules *marvell_rules,
+ int count,
+ int *mode)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if (marvell_rules[i].rules == rules) {
+ *mode = marvell_rules[i].mode;
+ return 0;
+ }
+ }
+ return -EOPNOTSUPP;
+}
+
+static int marvell_get_led_mode(u8 index, unsigned long rules, int *mode)
+{
+ int ret;
+
+ switch (index) {
+ case 0:
+ ret = marvell_find_led_mode(rules, marvell_led0,
+ ARRAY_SIZE(marvell_led0), mode);
+ break;
+ case 1:
+ ret = marvell_find_led_mode(rules, marvell_led1,
+ ARRAY_SIZE(marvell_led1), mode);
+ break;
+ case 2:
+ ret = marvell_find_led_mode(rules, marvell_led2,
+ ARRAY_SIZE(marvell_led2), mode);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int marvell_find_led_rules(unsigned long *rules,
+ const struct marvell_led_rules *marvell_rules,
+ int count,
+ int mode)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if (marvell_rules[i].mode == mode) {
+ *rules = marvell_rules[i].rules;
+ return 0;
+ }
+ }
+ return -EOPNOTSUPP;
+}
+
+static int marvell_get_led_rules(u8 index, unsigned long *rules, int mode)
+{
+ int ret;
+
+ switch (index) {
+ case 0:
+ ret = marvell_find_led_rules(rules, marvell_led0,
+ ARRAY_SIZE(marvell_led0), mode);
+ break;
+ case 1:
+ ret = marvell_find_led_rules(rules, marvell_led1,
+ ARRAY_SIZE(marvell_led1), mode);
+ break;
+ case 2:
+ ret = marvell_find_led_rules(rules, marvell_led2,
+ ARRAY_SIZE(marvell_led2), mode);
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ }
+
+ return ret;
+}
+
+static int m88e1318_led_hw_is_supported(struct phy_device *phydev, u8 index,
+ unsigned long rules)
+{
+ int mode, ret;
+
+ switch (index) {
+ case 0:
+ case 1:
+ case 2:
+ ret = marvell_get_led_mode(index, rules, &mode);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int m88e1318_led_hw_control_set(struct phy_device *phydev, u8 index,
+ unsigned long rules)
+{
+ int mode, ret, reg;
+
+ switch (index) {
+ case 0:
+ case 1:
+ case 2:
+ ret = marvell_get_led_mode(index, rules, &mode);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ if (ret < 0)
+ return ret;
+
+ reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE,
+ MII_88E1318S_PHY_LED_FUNC);
+ if (reg < 0)
+ return reg;
+
+ reg &= ~(0xf << (4 * index));
+ reg |= mode << (4 * index);
+ return phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
+ MII_88E1318S_PHY_LED_FUNC, reg);
+}
+
+static int m88e1318_led_hw_control_get(struct phy_device *phydev, u8 index,
+ unsigned long *rules)
+{
+ int mode, reg;
+
+ if (index > 2)
+ return -EINVAL;
+
+ reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE,
+ MII_88E1318S_PHY_LED_FUNC);
+ if (reg < 0)
+ return reg;
+
+ mode = (reg >> (4 * index)) & 0xf;
+
+ return marvell_get_led_rules(index, rules, mode);
+}
+
static int marvell_probe(struct phy_device *phydev)
{
struct marvell_priv *priv;
@@ -3144,6 +3410,9 @@ static struct phy_driver marvell_drivers
.get_stats = marvell_get_stats,
.led_brightness_set = m88e1318_led_brightness_set,
.led_blink_set = m88e1318_led_blink_set,
+ .led_hw_is_supported = m88e1318_led_hw_is_supported,
+ .led_hw_control_set = m88e1318_led_hw_control_set,
+ .led_hw_control_get = m88e1318_led_hw_control_get,
},
{
.phy_id = MARVELL_PHY_ID_88E1145,
@@ -3252,6 +3521,9 @@ static struct phy_driver marvell_drivers
.cable_test_get_status = marvell_vct7_cable_test_get_status,
.led_brightness_set = m88e1318_led_brightness_set,
.led_blink_set = m88e1318_led_blink_set,
+ .led_hw_is_supported = m88e1318_led_hw_is_supported,
+ .led_hw_control_set = m88e1318_led_hw_control_set,
+ .led_hw_control_get = m88e1318_led_hw_control_get,
},
{
.phy_id = MARVELL_PHY_ID_88E1540,
@@ -3280,6 +3552,9 @@ static struct phy_driver marvell_drivers
.cable_test_get_status = marvell_vct7_cable_test_get_status,
.led_brightness_set = m88e1318_led_brightness_set,
.led_blink_set = m88e1318_led_blink_set,
+ .led_hw_is_supported = m88e1318_led_hw_is_supported,
+ .led_hw_control_set = m88e1318_led_hw_control_set,
+ .led_hw_control_get = m88e1318_led_hw_control_get,
},
{
.phy_id = MARVELL_PHY_ID_88E1545,
@@ -3308,6 +3583,9 @@ static struct phy_driver marvell_drivers
.cable_test_get_status = marvell_vct7_cable_test_get_status,
.led_brightness_set = m88e1318_led_brightness_set,
.led_blink_set = m88e1318_led_blink_set,
+ .led_hw_is_supported = m88e1318_led_hw_is_supported,
+ .led_hw_control_set = m88e1318_led_hw_control_set,
+ .led_hw_control_get = m88e1318_led_hw_control_get,
},
{
.phy_id = MARVELL_PHY_ID_88E3016,
@@ -3451,6 +3729,9 @@ static struct phy_driver marvell_drivers
.set_tunable = m88e1540_set_tunable,
.led_brightness_set = m88e1318_led_brightness_set,
.led_blink_set = m88e1318_led_blink_set,
+ .led_hw_is_supported = m88e1318_led_hw_is_supported,
+ .led_hw_control_set = m88e1318_led_hw_control_set,
+ .led_hw_control_get = m88e1318_led_hw_control_get,
},
};
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