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69f8647608
Replace Aquantia pending LEDs patch with upstream version. Sadly net maintainers didn't like integrated solution hence we still need to handle LED restore on reset with custom solution. Link: https://github.com/openwrt/openwrt/pull/15797 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
396 lines
13 KiB
Diff
396 lines
13 KiB
Diff
From 61578f67937881abf54c8bd258eb913312dbe4c1 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Sat, 1 Jun 2024 01:35:03 +0200
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Subject: [PATCH 2/2] net: phy: aquantia: add support for PHY LEDs
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Aquantia Ethernet PHYs got 3 LED output pins which are typically used
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to indicate link status and activity.
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Add a minimal LED controller driver supporting the most common uses
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with the 'netdev' trigger as well as software-driven forced control of
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the LEDs.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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[ rework indentation, fix checkpatch error and improve some functions ]
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/phy/aquantia/Makefile | 2 +-
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drivers/net/phy/aquantia/aquantia.h | 40 ++++++
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drivers/net/phy/aquantia/aquantia_leds.c | 150 +++++++++++++++++++++++
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drivers/net/phy/aquantia/aquantia_main.c | 63 +++++++++-
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4 files changed, 252 insertions(+), 3 deletions(-)
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create mode 100644 drivers/net/phy/aquantia/aquantia_leds.c
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--- a/drivers/net/phy/aquantia/Makefile
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+++ b/drivers/net/phy/aquantia/Makefile
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@@ -1,5 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0
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-aquantia-objs += aquantia_main.o aquantia_firmware.o
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+aquantia-objs += aquantia_main.o aquantia_firmware.o aquantia_leds.o
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ifdef CONFIG_HWMON
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aquantia-objs += aquantia_hwmon.o
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endif
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--- a/drivers/net/phy/aquantia/aquantia.h
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+++ b/drivers/net/phy/aquantia/aquantia.h
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@@ -58,6 +58,28 @@
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#define VEND1_GLOBAL_CONTROL2_UP_RUN_STALL_OVD BIT(6)
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#define VEND1_GLOBAL_CONTROL2_UP_RUN_STALL BIT(0)
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+#define VEND1_GLOBAL_LED_PROV 0xc430
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+#define AQR_LED_PROV(x) (VEND1_GLOBAL_LED_PROV + (x))
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+#define VEND1_GLOBAL_LED_PROV_LINK2500 BIT(14)
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+#define VEND1_GLOBAL_LED_PROV_LINK5000 BIT(15)
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+#define VEND1_GLOBAL_LED_PROV_FORCE_ON BIT(8)
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+#define VEND1_GLOBAL_LED_PROV_LINK10000 BIT(7)
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+#define VEND1_GLOBAL_LED_PROV_LINK1000 BIT(6)
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+#define VEND1_GLOBAL_LED_PROV_LINK100 BIT(5)
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+#define VEND1_GLOBAL_LED_PROV_RX_ACT BIT(3)
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+#define VEND1_GLOBAL_LED_PROV_TX_ACT BIT(2)
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+#define VEND1_GLOBAL_LED_PROV_ACT_STRETCH GENMASK(0, 1)
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+
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+#define VEND1_GLOBAL_LED_PROV_LINK_MASK (VEND1_GLOBAL_LED_PROV_LINK100 | \
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+ VEND1_GLOBAL_LED_PROV_LINK1000 | \
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+ VEND1_GLOBAL_LED_PROV_LINK10000 | \
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+ VEND1_GLOBAL_LED_PROV_LINK5000 | \
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+ VEND1_GLOBAL_LED_PROV_LINK2500)
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+
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+#define VEND1_GLOBAL_LED_DRIVE 0xc438
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+#define VEND1_GLOBAL_LED_DRIVE_VDD BIT(1)
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+#define AQR_LED_DRIVE(x) (VEND1_GLOBAL_LED_DRIVE + (x))
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+
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#define VEND1_THERMAL_PROV_HIGH_TEMP_FAIL 0xc421
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#define VEND1_THERMAL_PROV_LOW_TEMP_FAIL 0xc422
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#define VEND1_THERMAL_PROV_HIGH_TEMP_WARN 0xc423
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@@ -120,6 +142,8 @@
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#define VEND1_GLOBAL_INT_VEND_MASK_GLOBAL2 BIT(1)
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#define VEND1_GLOBAL_INT_VEND_MASK_GLOBAL3 BIT(0)
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+#define AQR_MAX_LEDS 3
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+
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struct aqr107_hw_stat {
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const char *name;
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int reg;
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@@ -144,6 +168,7 @@ static const struct aqr107_hw_stat aqr10
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struct aqr107_priv {
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u64 sgmii_stats[AQR107_SGMII_STAT_SZ];
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+ unsigned long leds_active_low;
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};
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#if IS_REACHABLE(CONFIG_HWMON)
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@@ -153,3 +178,18 @@ static inline int aqr_hwmon_probe(struct
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#endif
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int aqr_firmware_load(struct phy_device *phydev);
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+
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+int aqr_phy_led_blink_set(struct phy_device *phydev, u8 index,
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+ unsigned long *delay_on,
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+ unsigned long *delay_off);
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+int aqr_phy_led_brightness_set(struct phy_device *phydev,
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+ u8 index, enum led_brightness value);
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+int aqr_phy_led_hw_is_supported(struct phy_device *phydev, u8 index,
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+ unsigned long rules);
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+int aqr_phy_led_hw_control_get(struct phy_device *phydev, u8 index,
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+ unsigned long *rules);
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+int aqr_phy_led_hw_control_set(struct phy_device *phydev, u8 index,
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+ unsigned long rules);
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+int aqr_phy_led_active_low_set(struct phy_device *phydev, int index, bool enable);
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+int aqr_phy_led_polarity_set(struct phy_device *phydev, int index,
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+ unsigned long modes);
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--- /dev/null
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+++ b/drivers/net/phy/aquantia/aquantia_leds.c
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@@ -0,0 +1,150 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/* LED driver for Aquantia PHY
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+ *
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+ * Author: Daniel Golle <daniel@makrotopia.org>
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+ */
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+
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+#include <linux/phy.h>
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+
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+#include "aquantia.h"
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+
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+int aqr_phy_led_brightness_set(struct phy_device *phydev,
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+ u8 index, enum led_brightness value)
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+{
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+ if (index >= AQR_MAX_LEDS)
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+ return -EINVAL;
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+
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+ return phy_modify_mmd(phydev, MDIO_MMD_VEND1, AQR_LED_PROV(index),
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+ VEND1_GLOBAL_LED_PROV_LINK_MASK |
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+ VEND1_GLOBAL_LED_PROV_FORCE_ON |
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+ VEND1_GLOBAL_LED_PROV_RX_ACT |
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+ VEND1_GLOBAL_LED_PROV_TX_ACT,
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+ value ? VEND1_GLOBAL_LED_PROV_FORCE_ON : 0);
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+}
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+
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+static const unsigned long supported_triggers = (BIT(TRIGGER_NETDEV_LINK) |
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+ BIT(TRIGGER_NETDEV_LINK_100) |
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+ BIT(TRIGGER_NETDEV_LINK_1000) |
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+ BIT(TRIGGER_NETDEV_LINK_2500) |
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+ BIT(TRIGGER_NETDEV_LINK_5000) |
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+ BIT(TRIGGER_NETDEV_LINK_10000) |
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+ BIT(TRIGGER_NETDEV_RX) |
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+ BIT(TRIGGER_NETDEV_TX));
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+
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+int aqr_phy_led_hw_is_supported(struct phy_device *phydev, u8 index,
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+ unsigned long rules)
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+{
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+ if (index >= AQR_MAX_LEDS)
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+ return -EINVAL;
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+
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+ /* All combinations of the supported triggers are allowed */
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+ if (rules & ~supported_triggers)
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+ return -EOPNOTSUPP;
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+
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+ return 0;
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+}
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+
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+int aqr_phy_led_hw_control_get(struct phy_device *phydev, u8 index,
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+ unsigned long *rules)
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+{
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+ int val;
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+
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+ if (index >= AQR_MAX_LEDS)
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+ return -EINVAL;
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+
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+ val = phy_read_mmd(phydev, MDIO_MMD_VEND1, AQR_LED_PROV(index));
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+ if (val < 0)
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+ return val;
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+
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+ *rules = 0;
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+ if (val & VEND1_GLOBAL_LED_PROV_LINK100)
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+ *rules |= BIT(TRIGGER_NETDEV_LINK_100);
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+
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+ if (val & VEND1_GLOBAL_LED_PROV_LINK1000)
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+ *rules |= BIT(TRIGGER_NETDEV_LINK_1000);
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+
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+ if (val & VEND1_GLOBAL_LED_PROV_LINK2500)
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+ *rules |= BIT(TRIGGER_NETDEV_LINK_2500);
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+
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+ if (val & VEND1_GLOBAL_LED_PROV_LINK5000)
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+ *rules |= BIT(TRIGGER_NETDEV_LINK_5000);
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+
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+ if (val & VEND1_GLOBAL_LED_PROV_LINK10000)
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+ *rules |= BIT(TRIGGER_NETDEV_LINK_10000);
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+
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+ if (val & VEND1_GLOBAL_LED_PROV_RX_ACT)
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+ *rules |= BIT(TRIGGER_NETDEV_RX);
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+
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+ if (val & VEND1_GLOBAL_LED_PROV_TX_ACT)
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+ *rules |= BIT(TRIGGER_NETDEV_TX);
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+
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+ return 0;
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+}
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+
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+int aqr_phy_led_hw_control_set(struct phy_device *phydev, u8 index,
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+ unsigned long rules)
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+{
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+ u16 val = 0;
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+
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+ if (index >= AQR_MAX_LEDS)
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+ return -EINVAL;
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+
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+ if (rules & (BIT(TRIGGER_NETDEV_LINK_100) | BIT(TRIGGER_NETDEV_LINK)))
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+ val |= VEND1_GLOBAL_LED_PROV_LINK100;
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+
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+ if (rules & (BIT(TRIGGER_NETDEV_LINK_1000) | BIT(TRIGGER_NETDEV_LINK)))
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+ val |= VEND1_GLOBAL_LED_PROV_LINK1000;
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+
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+ if (rules & (BIT(TRIGGER_NETDEV_LINK_2500) | BIT(TRIGGER_NETDEV_LINK)))
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+ val |= VEND1_GLOBAL_LED_PROV_LINK2500;
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+
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+ if (rules & (BIT(TRIGGER_NETDEV_LINK_5000) | BIT(TRIGGER_NETDEV_LINK)))
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+ val |= VEND1_GLOBAL_LED_PROV_LINK5000;
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+
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+ if (rules & (BIT(TRIGGER_NETDEV_LINK_10000) | BIT(TRIGGER_NETDEV_LINK)))
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+ val |= VEND1_GLOBAL_LED_PROV_LINK10000;
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+
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+ if (rules & BIT(TRIGGER_NETDEV_RX))
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+ val |= VEND1_GLOBAL_LED_PROV_RX_ACT;
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+
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+ if (rules & BIT(TRIGGER_NETDEV_TX))
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+ val |= VEND1_GLOBAL_LED_PROV_TX_ACT;
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+
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+ return phy_modify_mmd(phydev, MDIO_MMD_VEND1, AQR_LED_PROV(index),
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+ VEND1_GLOBAL_LED_PROV_LINK_MASK |
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+ VEND1_GLOBAL_LED_PROV_FORCE_ON |
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+ VEND1_GLOBAL_LED_PROV_RX_ACT |
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+ VEND1_GLOBAL_LED_PROV_TX_ACT, val);
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+}
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+
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+int aqr_phy_led_active_low_set(struct phy_device *phydev, int index, bool enable)
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+{
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+ return phy_modify_mmd(phydev, MDIO_MMD_VEND1, AQR_LED_DRIVE(index),
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+ VEND1_GLOBAL_LED_DRIVE_VDD, enable);
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+}
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+
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+int aqr_phy_led_polarity_set(struct phy_device *phydev, int index, unsigned long modes)
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+{
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+ struct aqr107_priv *priv = phydev->priv;
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+ bool active_low = false;
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+ u32 mode;
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+
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+ if (index >= AQR_MAX_LEDS)
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+ return -EINVAL;
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+
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+ for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
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+ switch (mode) {
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+ case PHY_LED_ACTIVE_LOW:
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+ active_low = true;
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+ }
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+
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+ /* Save LED driver vdd state to restore on SW reset */
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+ if (active_low)
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+ priv->leds_active_low |= BIT(index);
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+
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+ return aqr_phy_led_active_low_set(phydev, index, active_low);
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+}
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--- a/drivers/net/phy/aquantia/aquantia_main.c
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+++ b/drivers/net/phy/aquantia/aquantia_main.c
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@@ -475,7 +475,9 @@ static void aqr107_chip_info(struct phy_
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static int aqr107_config_init(struct phy_device *phydev)
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{
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- int ret;
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+ struct aqr107_priv *priv = phydev->priv;
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+ u32 led_active_low;
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+ int ret, index = 0;
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/* Check that the PHY interface type is compatible */
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if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
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@@ -496,7 +498,19 @@ static int aqr107_config_init(struct phy
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if (!ret)
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aqr107_chip_info(phydev);
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- return aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT);
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+ ret = aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT);
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+ if (ret)
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+ return ret;
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+
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+ /* Restore LED polarity state after reset */
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+ for_each_set_bit(led_active_low, &priv->leds_active_low, AQR_MAX_LEDS) {
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+ ret = aqr_phy_led_active_low_set(phydev, index, led_active_low);
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+ if (ret)
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+ return ret;
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+ index++;
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+ }
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+
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+ return 0;
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}
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static int aqcs109_config_init(struct phy_device *phydev)
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@@ -703,6 +717,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQCS109),
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@@ -722,6 +741,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR111),
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@@ -741,6 +765,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR111B0),
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@@ -760,6 +789,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR405),
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@@ -786,6 +820,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR412),
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@@ -823,6 +862,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR113C),
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@@ -842,6 +886,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR114C),
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@@ -861,6 +910,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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{
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PHY_ID_MATCH_MODEL(PHY_ID_AQR813),
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@@ -880,6 +934,11 @@ static struct phy_driver aqr_driver[] =
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.get_strings = aqr107_get_strings,
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.get_stats = aqr107_get_stats,
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.link_change_notify = aqr107_link_change_notify,
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+ .led_brightness_set = aqr_phy_led_brightness_set,
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+ .led_hw_is_supported = aqr_phy_led_hw_is_supported,
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+ .led_hw_control_set = aqr_phy_led_hw_control_set,
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+ .led_hw_control_get = aqr_phy_led_hw_control_get,
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+ .led_polarity_set = aqr_phy_led_polarity_set,
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},
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};
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|