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+From 9e56ff53b4115875667760445b028357848b4748 Mon Sep 17 00:00:00 2001
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+From: Christian Marangi <[email protected]>
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+Date: Mon, 29 Jan 2024 15:15:19 +0100
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+Subject: [PATCH 1/5] net: phy: move at803x PHY driver to dedicated directory
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+
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+In preparation for addition of other Qcom PHY and to tidy things up,
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+move the at803x PHY driver to dedicated directory.
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+
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+The same order in the Kconfig selection is saved.
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+
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+Signed-off-by: Christian Marangi <[email protected]>
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+Reviewed-by: Andrew Lunn <[email protected]>
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+Link: https://lore.kernel.org/r/[email protected]
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+Signed-off-by: Jakub Kicinski <[email protected]>
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+---
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+ drivers/net/phy/Kconfig | 7 +------
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+ drivers/net/phy/Makefile | 2 +-
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+ drivers/net/phy/qcom/Kconfig | 7 +++++++
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+ drivers/net/phy/qcom/Makefile | 2 ++
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+ drivers/net/phy/{ => qcom}/at803x.c | 0
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+ 5 files changed, 11 insertions(+), 7 deletions(-)
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+ create mode 100644 drivers/net/phy/qcom/Kconfig
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+ create mode 100644 drivers/net/phy/qcom/Makefile
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+ rename drivers/net/phy/{ => qcom}/at803x.c (100%)
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+
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+--- a/drivers/net/phy/Kconfig
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++++ b/drivers/net/phy/Kconfig
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+@@ -277,12 +277,7 @@ config NXP_TJA11XX_PHY
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+ help
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+ Currently supports the NXP TJA1100 and TJA1101 PHY.
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+
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+-config AT803X_PHY
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+- tristate "Qualcomm Atheros AR803X PHYs and QCA833x PHYs"
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+- depends on REGULATOR
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+- help
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+- Currently supports the AR8030, AR8031, AR8033, AR8035 and internal
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+- QCA8337(Internal qca8k PHY) model
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++source "drivers/net/phy/qcom/Kconfig"
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+
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+ config QSEMI_PHY
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+ tristate "Quality Semiconductor PHYs"
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+--- a/drivers/net/phy/Makefile
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++++ b/drivers/net/phy/Makefile
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+@@ -34,7 +34,6 @@ obj-$(CONFIG_ADIN_PHY) += adin.o
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+ obj-$(CONFIG_ADIN1100_PHY) += adin1100.o
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+ obj-$(CONFIG_AMD_PHY) += amd.o
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+ obj-$(CONFIG_AQUANTIA_PHY) += aquantia/
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+-obj-$(CONFIG_AT803X_PHY) += at803x.o
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+ obj-$(CONFIG_AX88796B_PHY) += ax88796b.o
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+ obj-$(CONFIG_BCM54140_PHY) += bcm54140.o
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+ obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
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+@@ -75,6 +74,7 @@ obj-$(CONFIG_MOTORCOMM_PHY) += motorcomm
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+ obj-$(CONFIG_NATIONAL_PHY) += national.o
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+ obj-$(CONFIG_NXP_C45_TJA11XX_PHY) += nxp-c45-tja11xx.o
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+ obj-$(CONFIG_NXP_TJA11XX_PHY) += nxp-tja11xx.o
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++obj-y += qcom/
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+ obj-$(CONFIG_QSEMI_PHY) += qsemi.o
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+ obj-$(CONFIG_REALTEK_PHY) += realtek.o
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+ obj-$(CONFIG_RENESAS_PHY) += uPD60620.o
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+--- /dev/null
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++++ b/drivers/net/phy/qcom/Kconfig
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+@@ -0,0 +1,7 @@
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++# SPDX-License-Identifier: GPL-2.0-only
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++config AT803X_PHY
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++ tristate "Qualcomm Atheros AR803X PHYs and QCA833x PHYs"
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++ depends on REGULATOR
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++ help
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++ Currently supports the AR8030, AR8031, AR8033, AR8035 and internal
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++ QCA8337(Internal qca8k PHY) model
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+--- /dev/null
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++++ b/drivers/net/phy/qcom/Makefile
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+@@ -0,0 +1,2 @@
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++# SPDX-License-Identifier: GPL-2.0
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++obj-$(CONFIG_AT803X_PHY) += at803x.o
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+--- a/drivers/net/phy/at803x.c
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++++ /dev/null
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+@@ -1,2759 +0,0 @@
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+-// SPDX-License-Identifier: GPL-2.0+
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+-/*
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+- * drivers/net/phy/at803x.c
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+- *
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+- * Driver for Qualcomm Atheros AR803x PHY
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+- *
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+- * Author: Matus Ujhelyi <[email protected]>
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+- */
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+-
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+-#include <linux/phy.h>
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+-#include <linux/module.h>
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+-#include <linux/string.h>
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+-#include <linux/netdevice.h>
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+-#include <linux/etherdevice.h>
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+-#include <linux/ethtool_netlink.h>
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+-#include <linux/bitfield.h>
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+-#include <linux/regulator/of_regulator.h>
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+-#include <linux/regulator/driver.h>
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+-#include <linux/regulator/consumer.h>
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+-#include <linux/of.h>
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+-#include <linux/phylink.h>
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+-#include <linux/sfp.h>
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+-#include <dt-bindings/net/qca-ar803x.h>
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+-
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+-#define AT803X_SPECIFIC_FUNCTION_CONTROL 0x10
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+-#define AT803X_SFC_ASSERT_CRS BIT(11)
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+-#define AT803X_SFC_FORCE_LINK BIT(10)
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+-#define AT803X_SFC_MDI_CROSSOVER_MODE_M GENMASK(6, 5)
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+-#define AT803X_SFC_AUTOMATIC_CROSSOVER 0x3
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+-#define AT803X_SFC_MANUAL_MDIX 0x1
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+-#define AT803X_SFC_MANUAL_MDI 0x0
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+-#define AT803X_SFC_SQE_TEST BIT(2)
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+-#define AT803X_SFC_POLARITY_REVERSAL BIT(1)
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+-#define AT803X_SFC_DISABLE_JABBER BIT(0)
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+-
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+-#define AT803X_SPECIFIC_STATUS 0x11
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+-#define AT803X_SS_SPEED_MASK GENMASK(15, 14)
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+-#define AT803X_SS_SPEED_1000 2
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+-#define AT803X_SS_SPEED_100 1
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+-#define AT803X_SS_SPEED_10 0
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+-#define AT803X_SS_DUPLEX BIT(13)
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+-#define AT803X_SS_SPEED_DUPLEX_RESOLVED BIT(11)
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+-#define AT803X_SS_MDIX BIT(6)
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+-
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+-#define QCA808X_SS_SPEED_MASK GENMASK(9, 7)
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+-#define QCA808X_SS_SPEED_2500 4
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+-
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+-#define AT803X_INTR_ENABLE 0x12
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+-#define AT803X_INTR_ENABLE_AUTONEG_ERR BIT(15)
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+-#define AT803X_INTR_ENABLE_SPEED_CHANGED BIT(14)
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+-#define AT803X_INTR_ENABLE_DUPLEX_CHANGED BIT(13)
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+-#define AT803X_INTR_ENABLE_PAGE_RECEIVED BIT(12)
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+-#define AT803X_INTR_ENABLE_LINK_FAIL BIT(11)
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+-#define AT803X_INTR_ENABLE_LINK_SUCCESS BIT(10)
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+-#define AT803X_INTR_ENABLE_LINK_FAIL_BX BIT(8)
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+-#define AT803X_INTR_ENABLE_LINK_SUCCESS_BX BIT(7)
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+-#define AT803X_INTR_ENABLE_WIRESPEED_DOWNGRADE BIT(5)
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+-#define AT803X_INTR_ENABLE_POLARITY_CHANGED BIT(1)
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+-#define AT803X_INTR_ENABLE_WOL BIT(0)
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+-
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+-#define AT803X_INTR_STATUS 0x13
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+-
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+-#define AT803X_SMART_SPEED 0x14
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+-#define AT803X_SMART_SPEED_ENABLE BIT(5)
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+-#define AT803X_SMART_SPEED_RETRY_LIMIT_MASK GENMASK(4, 2)
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+-#define AT803X_SMART_SPEED_BYPASS_TIMER BIT(1)
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+-#define AT803X_CDT 0x16
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+-#define AT803X_CDT_MDI_PAIR_MASK GENMASK(9, 8)
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+-#define AT803X_CDT_ENABLE_TEST BIT(0)
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+-#define AT803X_CDT_STATUS 0x1c
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+-#define AT803X_CDT_STATUS_STAT_NORMAL 0
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+-#define AT803X_CDT_STATUS_STAT_SHORT 1
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+-#define AT803X_CDT_STATUS_STAT_OPEN 2
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+-#define AT803X_CDT_STATUS_STAT_FAIL 3
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+-#define AT803X_CDT_STATUS_STAT_MASK GENMASK(9, 8)
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+-#define AT803X_CDT_STATUS_DELTA_TIME_MASK GENMASK(7, 0)
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+-#define AT803X_LED_CONTROL 0x18
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+-
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+-#define AT803X_PHY_MMD3_WOL_CTRL 0x8012
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+-#define AT803X_WOL_EN BIT(5)
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+-#define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C
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+-#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B
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+-#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A
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+-#define AT803X_REG_CHIP_CONFIG 0x1f
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+-#define AT803X_BT_BX_REG_SEL 0x8000
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+-
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+-#define AT803X_DEBUG_ADDR 0x1D
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+-#define AT803X_DEBUG_DATA 0x1E
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+-
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+-#define AT803X_MODE_CFG_MASK 0x0F
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+-#define AT803X_MODE_CFG_BASET_RGMII 0x00
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+-#define AT803X_MODE_CFG_BASET_SGMII 0x01
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+-#define AT803X_MODE_CFG_BX1000_RGMII_50OHM 0x02
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+-#define AT803X_MODE_CFG_BX1000_RGMII_75OHM 0x03
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+-#define AT803X_MODE_CFG_BX1000_CONV_50OHM 0x04
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+-#define AT803X_MODE_CFG_BX1000_CONV_75OHM 0x05
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+-#define AT803X_MODE_CFG_FX100_RGMII_50OHM 0x06
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+-#define AT803X_MODE_CFG_FX100_CONV_50OHM 0x07
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+-#define AT803X_MODE_CFG_RGMII_AUTO_MDET 0x0B
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+-#define AT803X_MODE_CFG_FX100_RGMII_75OHM 0x0E
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+-#define AT803X_MODE_CFG_FX100_CONV_75OHM 0x0F
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+-
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+-#define AT803X_PSSR 0x11 /*PHY-Specific Status Register*/
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+-#define AT803X_PSSR_MR_AN_COMPLETE 0x0200
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+-
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+-#define AT803X_DEBUG_ANALOG_TEST_CTRL 0x00
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+-#define QCA8327_DEBUG_MANU_CTRL_EN BIT(2)
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+-#define QCA8337_DEBUG_MANU_CTRL_EN GENMASK(3, 2)
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+-#define AT803X_DEBUG_RX_CLK_DLY_EN BIT(15)
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+-
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+-#define AT803X_DEBUG_SYSTEM_CTRL_MODE 0x05
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+-#define AT803X_DEBUG_TX_CLK_DLY_EN BIT(8)
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+-
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+-#define AT803X_DEBUG_REG_HIB_CTRL 0x0b
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+-#define AT803X_DEBUG_HIB_CTRL_SEL_RST_80U BIT(10)
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+-#define AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE BIT(13)
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+-#define AT803X_DEBUG_HIB_CTRL_PS_HIB_EN BIT(15)
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+-
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+-#define AT803X_DEBUG_REG_3C 0x3C
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+-
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+-#define AT803X_DEBUG_REG_GREEN 0x3D
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+-#define AT803X_DEBUG_GATE_CLK_IN1000 BIT(6)
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+-
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+-#define AT803X_DEBUG_REG_1F 0x1F
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+-#define AT803X_DEBUG_PLL_ON BIT(2)
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+-#define AT803X_DEBUG_RGMII_1V8 BIT(3)
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+-
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+-#define MDIO_AZ_DEBUG 0x800D
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+-
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+-/* AT803x supports either the XTAL input pad, an internal PLL or the
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+- * DSP as clock reference for the clock output pad. The XTAL reference
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+- * is only used for 25 MHz output, all other frequencies need the PLL.
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+- * The DSP as a clock reference is used in synchronous ethernet
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+- * applications.
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+- *
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+- * By default the PLL is only enabled if there is a link. Otherwise
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+- * the PHY will go into low power state and disabled the PLL. You can
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+- * set the PLL_ON bit (see debug register 0x1f) to keep the PLL always
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+- * enabled.
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+- */
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+-#define AT803X_MMD7_CLK25M 0x8016
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+-#define AT803X_CLK_OUT_MASK GENMASK(4, 2)
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+-#define AT803X_CLK_OUT_25MHZ_XTAL 0
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+-#define AT803X_CLK_OUT_25MHZ_DSP 1
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+-#define AT803X_CLK_OUT_50MHZ_PLL 2
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+-#define AT803X_CLK_OUT_50MHZ_DSP 3
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+-#define AT803X_CLK_OUT_62_5MHZ_PLL 4
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+-#define AT803X_CLK_OUT_62_5MHZ_DSP 5
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+-#define AT803X_CLK_OUT_125MHZ_PLL 6
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+-#define AT803X_CLK_OUT_125MHZ_DSP 7
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+-
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+-/* The AR8035 has another mask which is compatible with the AR8031/AR8033 mask
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+- * but doesn't support choosing between XTAL/PLL and DSP.
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+- */
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+-#define AT8035_CLK_OUT_MASK GENMASK(4, 3)
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+-
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+-#define AT803X_CLK_OUT_STRENGTH_MASK GENMASK(8, 7)
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+-#define AT803X_CLK_OUT_STRENGTH_FULL 0
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+-#define AT803X_CLK_OUT_STRENGTH_HALF 1
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+-#define AT803X_CLK_OUT_STRENGTH_QUARTER 2
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+-
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+-#define AT803X_DEFAULT_DOWNSHIFT 5
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+-#define AT803X_MIN_DOWNSHIFT 2
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+-#define AT803X_MAX_DOWNSHIFT 9
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+-
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+-#define AT803X_MMD3_SMARTEEE_CTL1 0x805b
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+-#define AT803X_MMD3_SMARTEEE_CTL2 0x805c
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+-#define AT803X_MMD3_SMARTEEE_CTL3 0x805d
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+-#define AT803X_MMD3_SMARTEEE_CTL3_LPI_EN BIT(8)
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+-
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+-#define ATH9331_PHY_ID 0x004dd041
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+-#define ATH8030_PHY_ID 0x004dd076
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+-#define ATH8031_PHY_ID 0x004dd074
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+-#define ATH8032_PHY_ID 0x004dd023
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+-#define ATH8035_PHY_ID 0x004dd072
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+-#define AT8030_PHY_ID_MASK 0xffffffef
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+-
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+-#define QCA8081_PHY_ID 0x004dd101
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+-
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+-#define QCA8327_A_PHY_ID 0x004dd033
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+-#define QCA8327_B_PHY_ID 0x004dd034
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+-#define QCA8337_PHY_ID 0x004dd036
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+-#define QCA9561_PHY_ID 0x004dd042
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+-#define QCA8K_PHY_ID_MASK 0xffffffff
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+-
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+-#define QCA8K_DEVFLAGS_REVISION_MASK GENMASK(2, 0)
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+-
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+-#define AT803X_PAGE_FIBER 0
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+-#define AT803X_PAGE_COPPER 1
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+-
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+-/* don't turn off internal PLL */
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+-#define AT803X_KEEP_PLL_ENABLED BIT(0)
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+-#define AT803X_DISABLE_SMARTEEE BIT(1)
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+-
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+-/* disable hibernation mode */
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+-#define AT803X_DISABLE_HIBERNATION_MODE BIT(2)
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+-
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+-/* ADC threshold */
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+-#define QCA808X_PHY_DEBUG_ADC_THRESHOLD 0x2c80
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+-#define QCA808X_ADC_THRESHOLD_MASK GENMASK(7, 0)
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+-#define QCA808X_ADC_THRESHOLD_80MV 0
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+-#define QCA808X_ADC_THRESHOLD_100MV 0xf0
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+-#define QCA808X_ADC_THRESHOLD_200MV 0x0f
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+-#define QCA808X_ADC_THRESHOLD_300MV 0xff
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+-
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+-/* CLD control */
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+-#define QCA808X_PHY_MMD3_ADDR_CLD_CTRL7 0x8007
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+-#define QCA808X_8023AZ_AFE_CTRL_MASK GENMASK(8, 4)
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+-#define QCA808X_8023AZ_AFE_EN 0x90
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+-
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+-/* AZ control */
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+-#define QCA808X_PHY_MMD3_AZ_TRAINING_CTRL 0x8008
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+-#define QCA808X_MMD3_AZ_TRAINING_VAL 0x1c32
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+-
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+-#define QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB 0x8014
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+-#define QCA808X_MSE_THRESHOLD_20DB_VALUE 0x529
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+-
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+-#define QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB 0x800E
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+-#define QCA808X_MSE_THRESHOLD_17DB_VALUE 0x341
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+-
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+-#define QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB 0x801E
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+-#define QCA808X_MSE_THRESHOLD_27DB_VALUE 0x419
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+-
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+-#define QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB 0x8020
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+-#define QCA808X_MSE_THRESHOLD_28DB_VALUE 0x341
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+-
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+-#define QCA808X_PHY_MMD7_TOP_OPTION1 0x901c
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+-#define QCA808X_TOP_OPTION1_DATA 0x0
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+-
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+-#define QCA808X_PHY_MMD3_DEBUG_1 0xa100
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+-#define QCA808X_MMD3_DEBUG_1_VALUE 0x9203
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+-#define QCA808X_PHY_MMD3_DEBUG_2 0xa101
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+-#define QCA808X_MMD3_DEBUG_2_VALUE 0x48ad
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+-#define QCA808X_PHY_MMD3_DEBUG_3 0xa103
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+-#define QCA808X_MMD3_DEBUG_3_VALUE 0x1698
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+-#define QCA808X_PHY_MMD3_DEBUG_4 0xa105
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+-#define QCA808X_MMD3_DEBUG_4_VALUE 0x8001
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+-#define QCA808X_PHY_MMD3_DEBUG_5 0xa106
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+-#define QCA808X_MMD3_DEBUG_5_VALUE 0x1111
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+-#define QCA808X_PHY_MMD3_DEBUG_6 0xa011
|
|
|
+-#define QCA808X_MMD3_DEBUG_6_VALUE 0x5f85
|
|
|
+-
|
|
|
+-/* master/slave seed config */
|
|
|
+-#define QCA808X_PHY_DEBUG_LOCAL_SEED 9
|
|
|
+-#define QCA808X_MASTER_SLAVE_SEED_ENABLE BIT(1)
|
|
|
+-#define QCA808X_MASTER_SLAVE_SEED_CFG GENMASK(12, 2)
|
|
|
+-#define QCA808X_MASTER_SLAVE_SEED_RANGE 0x32
|
|
|
+-
|
|
|
+-/* Hibernation yields lower power consumpiton in contrast with normal operation mode.
|
|
|
+- * when the copper cable is unplugged, the PHY enters into hibernation mode in about 10s.
|
|
|
+- */
|
|
|
+-#define QCA808X_DBG_AN_TEST 0xb
|
|
|
+-#define QCA808X_HIBERNATION_EN BIT(15)
|
|
|
+-
|
|
|
+-#define QCA808X_CDT_ENABLE_TEST BIT(15)
|
|
|
+-#define QCA808X_CDT_INTER_CHECK_DIS BIT(13)
|
|
|
+-#define QCA808X_CDT_STATUS BIT(11)
|
|
|
+-#define QCA808X_CDT_LENGTH_UNIT BIT(10)
|
|
|
+-
|
|
|
+-#define QCA808X_MMD3_CDT_STATUS 0x8064
|
|
|
+-#define QCA808X_MMD3_CDT_DIAG_PAIR_A 0x8065
|
|
|
+-#define QCA808X_MMD3_CDT_DIAG_PAIR_B 0x8066
|
|
|
+-#define QCA808X_MMD3_CDT_DIAG_PAIR_C 0x8067
|
|
|
+-#define QCA808X_MMD3_CDT_DIAG_PAIR_D 0x8068
|
|
|
+-#define QCA808X_CDT_DIAG_LENGTH_SAME_SHORT GENMASK(15, 8)
|
|
|
+-#define QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT GENMASK(7, 0)
|
|
|
+-
|
|
|
+-#define QCA808X_CDT_CODE_PAIR_A GENMASK(15, 12)
|
|
|
+-#define QCA808X_CDT_CODE_PAIR_B GENMASK(11, 8)
|
|
|
+-#define QCA808X_CDT_CODE_PAIR_C GENMASK(7, 4)
|
|
|
+-#define QCA808X_CDT_CODE_PAIR_D GENMASK(3, 0)
|
|
|
+-
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_TYPE GENMASK(1, 0)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_FAIL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 0)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_NORMAL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 1)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_SAME_OPEN FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 2)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_SAME_SHORT FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 3)
|
|
|
+-
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_MDI GENMASK(3, 2)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_MDI1 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 1)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_MDI2 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 2)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_MDI3 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 3)
|
|
|
+-
|
|
|
+-/* NORMAL are MDI with type set to 0 */
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI1
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
|
|
|
+- QCA808X_CDT_STATUS_STAT_MDI1)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
|
|
|
+- QCA808X_CDT_STATUS_STAT_MDI1)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI2
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
|
|
|
+- QCA808X_CDT_STATUS_STAT_MDI2)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
|
|
|
+- QCA808X_CDT_STATUS_STAT_MDI2)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI3
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
|
|
|
+- QCA808X_CDT_STATUS_STAT_MDI3)
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
|
|
|
+- QCA808X_CDT_STATUS_STAT_MDI3)
|
|
|
+-
|
|
|
+-/* Added for reference of existence but should be handled by wait_for_completion already */
|
|
|
+-#define QCA808X_CDT_STATUS_STAT_BUSY (BIT(1) | BIT(3))
|
|
|
+-
|
|
|
+-#define QCA808X_MMD7_LED_GLOBAL 0x8073
|
|
|
+-#define QCA808X_LED_BLINK_1 GENMASK(11, 6)
|
|
|
+-#define QCA808X_LED_BLINK_2 GENMASK(5, 0)
|
|
|
+-/* Values are the same for both BLINK_1 and BLINK_2 */
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_MASK GENMASK(5, 3)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_2HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x0)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_4HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x1)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_8HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x2)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_16HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x3)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_32HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x4)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_64HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x5)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_128HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x6)
|
|
|
+-#define QCA808X_LED_BLINK_FREQ_256HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x7)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_MASK GENMASK(2, 0)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_50_50 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x0)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_75_25 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x1)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_25_75 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x2)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_33_67 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x3)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_67_33 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x4)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_17_83 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x5)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_83_17 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x6)
|
|
|
+-#define QCA808X_LED_BLINK_DUTY_8_92 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x7)
|
|
|
+-
|
|
|
+-#define QCA808X_MMD7_LED2_CTRL 0x8074
|
|
|
+-#define QCA808X_MMD7_LED2_FORCE_CTRL 0x8075
|
|
|
+-#define QCA808X_MMD7_LED1_CTRL 0x8076
|
|
|
+-#define QCA808X_MMD7_LED1_FORCE_CTRL 0x8077
|
|
|
+-#define QCA808X_MMD7_LED0_CTRL 0x8078
|
|
|
+-#define QCA808X_MMD7_LED_CTRL(x) (0x8078 - ((x) * 2))
|
|
|
+-
|
|
|
+-/* LED hw control pattern is the same for every LED */
|
|
|
+-#define QCA808X_LED_PATTERN_MASK GENMASK(15, 0)
|
|
|
+-#define QCA808X_LED_SPEED2500_ON BIT(15)
|
|
|
+-#define QCA808X_LED_SPEED2500_BLINK BIT(14)
|
|
|
+-/* Follow blink trigger even if duplex or speed condition doesn't match */
|
|
|
+-#define QCA808X_LED_BLINK_CHECK_BYPASS BIT(13)
|
|
|
+-#define QCA808X_LED_FULL_DUPLEX_ON BIT(12)
|
|
|
+-#define QCA808X_LED_HALF_DUPLEX_ON BIT(11)
|
|
|
+-#define QCA808X_LED_TX_BLINK BIT(10)
|
|
|
+-#define QCA808X_LED_RX_BLINK BIT(9)
|
|
|
+-#define QCA808X_LED_TX_ON_10MS BIT(8)
|
|
|
+-#define QCA808X_LED_RX_ON_10MS BIT(7)
|
|
|
+-#define QCA808X_LED_SPEED1000_ON BIT(6)
|
|
|
+-#define QCA808X_LED_SPEED100_ON BIT(5)
|
|
|
+-#define QCA808X_LED_SPEED10_ON BIT(4)
|
|
|
+-#define QCA808X_LED_COLLISION_BLINK BIT(3)
|
|
|
+-#define QCA808X_LED_SPEED1000_BLINK BIT(2)
|
|
|
+-#define QCA808X_LED_SPEED100_BLINK BIT(1)
|
|
|
+-#define QCA808X_LED_SPEED10_BLINK BIT(0)
|
|
|
+-
|
|
|
+-#define QCA808X_MMD7_LED0_FORCE_CTRL 0x8079
|
|
|
+-#define QCA808X_MMD7_LED_FORCE_CTRL(x) (0x8079 - ((x) * 2))
|
|
|
+-
|
|
|
+-/* LED force ctrl is the same for every LED
|
|
|
+- * No documentation exist for this, not even internal one
|
|
|
+- * with NDA as QCOM gives only info about configuring
|
|
|
+- * hw control pattern rules and doesn't indicate any way
|
|
|
+- * to force the LED to specific mode.
|
|
|
+- * These define comes from reverse and testing and maybe
|
|
|
+- * lack of some info or some info are not entirely correct.
|
|
|
+- * For the basic LED control and hw control these finding
|
|
|
+- * are enough to support LED control in all the required APIs.
|
|
|
+- *
|
|
|
+- * On doing some comparison with implementation with qca807x,
|
|
|
+- * it was found that it's 1:1 equal to it and confirms all the
|
|
|
+- * reverse done. It was also found further specification with the
|
|
|
+- * force mode and the blink modes.
|
|
|
+- */
|
|
|
+-#define QCA808X_LED_FORCE_EN BIT(15)
|
|
|
+-#define QCA808X_LED_FORCE_MODE_MASK GENMASK(14, 13)
|
|
|
+-#define QCA808X_LED_FORCE_BLINK_1 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x3)
|
|
|
+-#define QCA808X_LED_FORCE_BLINK_2 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x2)
|
|
|
+-#define QCA808X_LED_FORCE_ON FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x1)
|
|
|
+-#define QCA808X_LED_FORCE_OFF FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x0)
|
|
|
+-
|
|
|
+-#define QCA808X_MMD7_LED_POLARITY_CTRL 0x901a
|
|
|
+-/* QSDK sets by default 0x46 to this reg that sets BIT 6 for
|
|
|
+- * LED to active high. It's not clear what BIT 3 and BIT 4 does.
|
|
|
+- */
|
|
|
+-#define QCA808X_LED_ACTIVE_HIGH BIT(6)
|
|
|
+-
|
|
|
+-/* QCA808X 1G chip type */
|
|
|
+-#define QCA808X_PHY_MMD7_CHIP_TYPE 0x901d
|
|
|
+-#define QCA808X_PHY_CHIP_TYPE_1G BIT(0)
|
|
|
+-
|
|
|
+-#define QCA8081_PHY_SERDES_MMD1_FIFO_CTRL 0x9072
|
|
|
+-#define QCA8081_PHY_FIFO_RSTN BIT(11)
|
|
|
+-
|
|
|
+-MODULE_DESCRIPTION("Qualcomm Atheros AR803x and QCA808X PHY driver");
|
|
|
+-MODULE_AUTHOR("Matus Ujhelyi");
|
|
|
+-MODULE_LICENSE("GPL");
|
|
|
+-
|
|
|
+-enum stat_access_type {
|
|
|
+- PHY,
|
|
|
+- MMD
|
|
|
+-};
|
|
|
+-
|
|
|
+-struct at803x_hw_stat {
|
|
|
+- const char *string;
|
|
|
+- u8 reg;
|
|
|
+- u32 mask;
|
|
|
+- enum stat_access_type access_type;
|
|
|
+-};
|
|
|
+-
|
|
|
+-static struct at803x_hw_stat qca83xx_hw_stats[] = {
|
|
|
+- { "phy_idle_errors", 0xa, GENMASK(7, 0), PHY},
|
|
|
+- { "phy_receive_errors", 0x15, GENMASK(15, 0), PHY},
|
|
|
+- { "eee_wake_errors", 0x16, GENMASK(15, 0), MMD},
|
|
|
+-};
|
|
|
+-
|
|
|
+-struct at803x_ss_mask {
|
|
|
+- u16 speed_mask;
|
|
|
+- u8 speed_shift;
|
|
|
+-};
|
|
|
+-
|
|
|
+-struct at803x_priv {
|
|
|
+- int flags;
|
|
|
+- u16 clk_25m_reg;
|
|
|
+- u16 clk_25m_mask;
|
|
|
+- u8 smarteee_lpi_tw_1g;
|
|
|
+- u8 smarteee_lpi_tw_100m;
|
|
|
+- bool is_fiber;
|
|
|
+- bool is_1000basex;
|
|
|
+- struct regulator_dev *vddio_rdev;
|
|
|
+- struct regulator_dev *vddh_rdev;
|
|
|
+- u64 stats[ARRAY_SIZE(qca83xx_hw_stats)];
|
|
|
+- int led_polarity_mode;
|
|
|
+-};
|
|
|
+-
|
|
|
+-struct at803x_context {
|
|
|
+- u16 bmcr;
|
|
|
+- u16 advertise;
|
|
|
+- u16 control1000;
|
|
|
+- u16 int_enable;
|
|
|
+- u16 smart_speed;
|
|
|
+- u16 led_control;
|
|
|
+-};
|
|
|
+-
|
|
|
+-static int at803x_debug_reg_write(struct phy_device *phydev, u16 reg, u16 data)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return phy_write(phydev, AT803X_DEBUG_DATA, data);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_debug_reg_read(struct phy_device *phydev, u16 reg)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return phy_read(phydev, AT803X_DEBUG_DATA);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
|
|
|
+- u16 clear, u16 set)
|
|
|
+-{
|
|
|
+- u16 val;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = at803x_debug_reg_read(phydev, reg);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- val = ret & 0xffff;
|
|
|
+- val &= ~clear;
|
|
|
+- val |= set;
|
|
|
+-
|
|
|
+- return phy_write(phydev, AT803X_DEBUG_DATA, val);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_write_page(struct phy_device *phydev, int page)
|
|
|
+-{
|
|
|
+- int mask;
|
|
|
+- int set;
|
|
|
+-
|
|
|
+- if (page == AT803X_PAGE_COPPER) {
|
|
|
+- set = AT803X_BT_BX_REG_SEL;
|
|
|
+- mask = 0;
|
|
|
+- } else {
|
|
|
+- set = 0;
|
|
|
+- mask = AT803X_BT_BX_REG_SEL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- return __phy_modify(phydev, AT803X_REG_CHIP_CONFIG, mask, set);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_read_page(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ccr = __phy_read(phydev, AT803X_REG_CHIP_CONFIG);
|
|
|
+-
|
|
|
+- if (ccr < 0)
|
|
|
+- return ccr;
|
|
|
+-
|
|
|
+- if (ccr & AT803X_BT_BX_REG_SEL)
|
|
|
+- return AT803X_PAGE_COPPER;
|
|
|
+-
|
|
|
+- return AT803X_PAGE_FIBER;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_enable_rx_delay(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0,
|
|
|
+- AT803X_DEBUG_RX_CLK_DLY_EN);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_enable_tx_delay(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0,
|
|
|
+- AT803X_DEBUG_TX_CLK_DLY_EN);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_disable_rx_delay(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
+- AT803X_DEBUG_RX_CLK_DLY_EN, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_disable_tx_delay(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE,
|
|
|
+- AT803X_DEBUG_TX_CLK_DLY_EN, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* save relevant PHY registers to private copy */
|
|
|
+-static void at803x_context_save(struct phy_device *phydev,
|
|
|
+- struct at803x_context *context)
|
|
|
+-{
|
|
|
+- context->bmcr = phy_read(phydev, MII_BMCR);
|
|
|
+- context->advertise = phy_read(phydev, MII_ADVERTISE);
|
|
|
+- context->control1000 = phy_read(phydev, MII_CTRL1000);
|
|
|
+- context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
+- context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED);
|
|
|
+- context->led_control = phy_read(phydev, AT803X_LED_CONTROL);
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* restore relevant PHY registers from private copy */
|
|
|
+-static void at803x_context_restore(struct phy_device *phydev,
|
|
|
+- const struct at803x_context *context)
|
|
|
+-{
|
|
|
+- phy_write(phydev, MII_BMCR, context->bmcr);
|
|
|
+- phy_write(phydev, MII_ADVERTISE, context->advertise);
|
|
|
+- phy_write(phydev, MII_CTRL1000, context->control1000);
|
|
|
+- phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable);
|
|
|
+- phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed);
|
|
|
+- phy_write(phydev, AT803X_LED_CONTROL, context->led_control);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_set_wol(struct phy_device *phydev,
|
|
|
+- struct ethtool_wolinfo *wol)
|
|
|
+-{
|
|
|
+- int ret, irq_enabled;
|
|
|
+-
|
|
|
+- if (wol->wolopts & WAKE_MAGIC) {
|
|
|
+- struct net_device *ndev = phydev->attached_dev;
|
|
|
+- const u8 *mac;
|
|
|
+- unsigned int i;
|
|
|
+- static const unsigned int offsets[] = {
|
|
|
+- AT803X_LOC_MAC_ADDR_32_47_OFFSET,
|
|
|
+- AT803X_LOC_MAC_ADDR_16_31_OFFSET,
|
|
|
+- AT803X_LOC_MAC_ADDR_0_15_OFFSET,
|
|
|
+- };
|
|
|
+-
|
|
|
+- if (!ndev)
|
|
|
+- return -ENODEV;
|
|
|
+-
|
|
|
+- mac = (const u8 *)ndev->dev_addr;
|
|
|
+-
|
|
|
+- if (!is_valid_ether_addr(mac))
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- for (i = 0; i < 3; i++)
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, offsets[i],
|
|
|
+- mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
|
|
|
+-
|
|
|
+- /* Enable WOL interrupt */
|
|
|
+- ret = phy_modify(phydev, AT803X_INTR_ENABLE, 0, AT803X_INTR_ENABLE_WOL);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+- } else {
|
|
|
+- /* Disable WOL interrupt */
|
|
|
+- ret = phy_modify(phydev, AT803X_INTR_ENABLE, AT803X_INTR_ENABLE_WOL, 0);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Clear WOL status */
|
|
|
+- ret = phy_read(phydev, AT803X_INTR_STATUS);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* Check if there are other interrupts except for WOL triggered when PHY is
|
|
|
+- * in interrupt mode, only the interrupts enabled by AT803X_INTR_ENABLE can
|
|
|
+- * be passed up to the interrupt PIN.
|
|
|
+- */
|
|
|
+- irq_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
+- if (irq_enabled < 0)
|
|
|
+- return irq_enabled;
|
|
|
+-
|
|
|
+- irq_enabled &= ~AT803X_INTR_ENABLE_WOL;
|
|
|
+- if (ret & irq_enabled && !phy_polling_mode(phydev))
|
|
|
+- phy_trigger_machine(phydev);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void at803x_get_wol(struct phy_device *phydev,
|
|
|
+- struct ethtool_wolinfo *wol)
|
|
|
+-{
|
|
|
+- int value;
|
|
|
+-
|
|
|
+- wol->supported = WAKE_MAGIC;
|
|
|
+- wol->wolopts = 0;
|
|
|
+-
|
|
|
+- value = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
+- if (value < 0)
|
|
|
+- return;
|
|
|
+-
|
|
|
+- if (value & AT803X_INTR_ENABLE_WOL)
|
|
|
+- wol->wolopts |= WAKE_MAGIC;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca83xx_get_sset_count(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return ARRAY_SIZE(qca83xx_hw_stats);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void qca83xx_get_strings(struct phy_device *phydev, u8 *data)
|
|
|
+-{
|
|
|
+- int i;
|
|
|
+-
|
|
|
+- for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++) {
|
|
|
+- strscpy(data + i * ETH_GSTRING_LEN,
|
|
|
+- qca83xx_hw_stats[i].string, ETH_GSTRING_LEN);
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static u64 qca83xx_get_stat(struct phy_device *phydev, int i)
|
|
|
+-{
|
|
|
+- struct at803x_hw_stat stat = qca83xx_hw_stats[i];
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int val;
|
|
|
+- u64 ret;
|
|
|
+-
|
|
|
+- if (stat.access_type == MMD)
|
|
|
+- val = phy_read_mmd(phydev, MDIO_MMD_PCS, stat.reg);
|
|
|
+- else
|
|
|
+- val = phy_read(phydev, stat.reg);
|
|
|
+-
|
|
|
+- if (val < 0) {
|
|
|
+- ret = U64_MAX;
|
|
|
+- } else {
|
|
|
+- val = val & stat.mask;
|
|
|
+- priv->stats[i] += val;
|
|
|
+- ret = priv->stats[i];
|
|
|
+- }
|
|
|
+-
|
|
|
+- return ret;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void qca83xx_get_stats(struct phy_device *phydev,
|
|
|
+- struct ethtool_stats *stats, u64 *data)
|
|
|
+-{
|
|
|
+- int i;
|
|
|
+-
|
|
|
+- for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++)
|
|
|
+- data[i] = qca83xx_get_stat(phydev, i);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_suspend(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int value;
|
|
|
+- int wol_enabled;
|
|
|
+-
|
|
|
+- value = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
+- wol_enabled = value & AT803X_INTR_ENABLE_WOL;
|
|
|
+-
|
|
|
+- if (wol_enabled)
|
|
|
+- value = BMCR_ISOLATE;
|
|
|
+- else
|
|
|
+- value = BMCR_PDOWN;
|
|
|
+-
|
|
|
+- phy_modify(phydev, MII_BMCR, 0, value);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_resume(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_parse_dt(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct device_node *node = phydev->mdio.dev.of_node;
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- u32 freq, strength, tw;
|
|
|
+- unsigned int sel;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- if (!IS_ENABLED(CONFIG_OF_MDIO))
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- if (of_property_read_bool(node, "qca,disable-smarteee"))
|
|
|
+- priv->flags |= AT803X_DISABLE_SMARTEEE;
|
|
|
+-
|
|
|
+- if (of_property_read_bool(node, "qca,disable-hibernation-mode"))
|
|
|
+- priv->flags |= AT803X_DISABLE_HIBERNATION_MODE;
|
|
|
+-
|
|
|
+- if (!of_property_read_u32(node, "qca,smarteee-tw-us-1g", &tw)) {
|
|
|
+- if (!tw || tw > 255) {
|
|
|
+- phydev_err(phydev, "invalid qca,smarteee-tw-us-1g\n");
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+- priv->smarteee_lpi_tw_1g = tw;
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (!of_property_read_u32(node, "qca,smarteee-tw-us-100m", &tw)) {
|
|
|
+- if (!tw || tw > 255) {
|
|
|
+- phydev_err(phydev, "invalid qca,smarteee-tw-us-100m\n");
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+- priv->smarteee_lpi_tw_100m = tw;
|
|
|
+- }
|
|
|
+-
|
|
|
+- ret = of_property_read_u32(node, "qca,clk-out-frequency", &freq);
|
|
|
+- if (!ret) {
|
|
|
+- switch (freq) {
|
|
|
+- case 25000000:
|
|
|
+- sel = AT803X_CLK_OUT_25MHZ_XTAL;
|
|
|
+- break;
|
|
|
+- case 50000000:
|
|
|
+- sel = AT803X_CLK_OUT_50MHZ_PLL;
|
|
|
+- break;
|
|
|
+- case 62500000:
|
|
|
+- sel = AT803X_CLK_OUT_62_5MHZ_PLL;
|
|
|
+- break;
|
|
|
+- case 125000000:
|
|
|
+- sel = AT803X_CLK_OUT_125MHZ_PLL;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- phydev_err(phydev, "invalid qca,clk-out-frequency\n");
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- priv->clk_25m_reg |= FIELD_PREP(AT803X_CLK_OUT_MASK, sel);
|
|
|
+- priv->clk_25m_mask |= AT803X_CLK_OUT_MASK;
|
|
|
+- }
|
|
|
+-
|
|
|
+- ret = of_property_read_u32(node, "qca,clk-out-strength", &strength);
|
|
|
+- if (!ret) {
|
|
|
+- priv->clk_25m_mask |= AT803X_CLK_OUT_STRENGTH_MASK;
|
|
|
+- switch (strength) {
|
|
|
+- case AR803X_STRENGTH_FULL:
|
|
|
+- priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_FULL;
|
|
|
+- break;
|
|
|
+- case AR803X_STRENGTH_HALF:
|
|
|
+- priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_HALF;
|
|
|
+- break;
|
|
|
+- case AR803X_STRENGTH_QUARTER:
|
|
|
+- priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_QUARTER;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- phydev_err(phydev, "invalid qca,clk-out-strength\n");
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_probe(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct device *dev = &phydev->mdio.dev;
|
|
|
+- struct at803x_priv *priv;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
|
|
|
+- if (!priv)
|
|
|
+- return -ENOMEM;
|
|
|
+-
|
|
|
+- /* Init LED polarity mode to -1 */
|
|
|
+- priv->led_polarity_mode = -1;
|
|
|
+-
|
|
|
+- phydev->priv = priv;
|
|
|
+-
|
|
|
+- ret = at803x_parse_dt(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_get_features(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int err;
|
|
|
+-
|
|
|
+- err = genphy_read_abilities(phydev);
|
|
|
+- if (err)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- if (phydev->drv->phy_id != ATH8031_PHY_ID)
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- /* AR8031/AR8033 have different status registers
|
|
|
+- * for copper and fiber operation. However, the
|
|
|
+- * extended status register is the same for both
|
|
|
+- * operation modes.
|
|
|
+- *
|
|
|
+- * As a result of that, ESTATUS_1000_XFULL is set
|
|
|
+- * to 1 even when operating in copper TP mode.
|
|
|
+- *
|
|
|
+- * Remove this mode from the supported link modes
|
|
|
+- * when not operating in 1000BaseX mode.
|
|
|
+- */
|
|
|
+- if (!priv->is_1000basex)
|
|
|
+- linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
|
|
|
+- phydev->supported);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_smarteee_config(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- u16 mask = 0, val = 0;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- if (priv->flags & AT803X_DISABLE_SMARTEEE)
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
+- AT803X_MMD3_SMARTEEE_CTL3,
|
|
|
+- AT803X_MMD3_SMARTEEE_CTL3_LPI_EN, 0);
|
|
|
+-
|
|
|
+- if (priv->smarteee_lpi_tw_1g) {
|
|
|
+- mask |= 0xff00;
|
|
|
+- val |= priv->smarteee_lpi_tw_1g << 8;
|
|
|
+- }
|
|
|
+- if (priv->smarteee_lpi_tw_100m) {
|
|
|
+- mask |= 0x00ff;
|
|
|
+- val |= priv->smarteee_lpi_tw_100m;
|
|
|
+- }
|
|
|
+- if (!mask)
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL1,
|
|
|
+- mask, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL3,
|
|
|
+- AT803X_MMD3_SMARTEEE_CTL3_LPI_EN,
|
|
|
+- AT803X_MMD3_SMARTEEE_CTL3_LPI_EN);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_clk_out_config(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+-
|
|
|
+- if (!priv->clk_25m_mask)
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_AN, AT803X_MMD7_CLK25M,
|
|
|
+- priv->clk_25m_mask, priv->clk_25m_reg);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_pll_config(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+-
|
|
|
+- /* The default after hardware reset is PLL OFF. After a soft reset, the
|
|
|
+- * values are retained.
|
|
|
+- */
|
|
|
+- if (priv->flags & AT803X_KEEP_PLL_ENABLED)
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
+- 0, AT803X_DEBUG_PLL_ON);
|
|
|
+- else
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
+- AT803X_DEBUG_PLL_ON, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_hibernation_mode_config(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+-
|
|
|
+- /* The default after hardware reset is hibernation mode enabled. After
|
|
|
+- * software reset, the value is retained.
|
|
|
+- */
|
|
|
+- if (!(priv->flags & AT803X_DISABLE_HIBERNATION_MODE))
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
|
|
|
+- AT803X_DEBUG_HIB_CTRL_PS_HIB_EN, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_config_init(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- /* The RX and TX delay default is:
|
|
|
+- * after HW reset: RX delay enabled and TX delay disabled
|
|
|
+- * after SW reset: RX delay enabled, while TX delay retains the
|
|
|
+- * value before reset.
|
|
|
+- */
|
|
|
+- if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
|
|
|
+- phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
|
|
|
+- ret = at803x_enable_rx_delay(phydev);
|
|
|
+- else
|
|
|
+- ret = at803x_disable_rx_delay(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
|
|
|
+- phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
|
|
|
+- ret = at803x_enable_tx_delay(phydev);
|
|
|
+- else
|
|
|
+- ret = at803x_disable_tx_delay(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at803x_smarteee_config(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at803x_clk_out_config(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at803x_hibernation_mode_config(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* Ar803x extended next page bit is enabled by default. Cisco
|
|
|
+- * multigig switches read this bit and attempt to negotiate 10Gbps
|
|
|
+- * rates even if the next page bit is disabled. This is incorrect
|
|
|
+- * behaviour but we still need to accommodate it. XNP is only needed
|
|
|
+- * for 10Gbps support, so disable XNP.
|
|
|
+- */
|
|
|
+- return phy_modify(phydev, MII_ADVERTISE, MDIO_AN_CTRL1_XNP, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_ack_interrupt(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int err;
|
|
|
+-
|
|
|
+- err = phy_read(phydev, AT803X_INTR_STATUS);
|
|
|
+-
|
|
|
+- return (err < 0) ? err : 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_config_intr(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int err;
|
|
|
+- int value;
|
|
|
+-
|
|
|
+- value = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
+-
|
|
|
+- if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
|
|
|
+- /* Clear any pending interrupts */
|
|
|
+- err = at803x_ack_interrupt(phydev);
|
|
|
+- if (err)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- value |= AT803X_INTR_ENABLE_AUTONEG_ERR;
|
|
|
+- value |= AT803X_INTR_ENABLE_SPEED_CHANGED;
|
|
|
+- value |= AT803X_INTR_ENABLE_DUPLEX_CHANGED;
|
|
|
+- value |= AT803X_INTR_ENABLE_LINK_FAIL;
|
|
|
+- value |= AT803X_INTR_ENABLE_LINK_SUCCESS;
|
|
|
+-
|
|
|
+- err = phy_write(phydev, AT803X_INTR_ENABLE, value);
|
|
|
+- } else {
|
|
|
+- err = phy_write(phydev, AT803X_INTR_ENABLE, 0);
|
|
|
+- if (err)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- /* Clear any pending interrupts */
|
|
|
+- err = at803x_ack_interrupt(phydev);
|
|
|
+- }
|
|
|
+-
|
|
|
+- return err;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static irqreturn_t at803x_handle_interrupt(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int irq_status, int_enabled;
|
|
|
+-
|
|
|
+- irq_status = phy_read(phydev, AT803X_INTR_STATUS);
|
|
|
+- if (irq_status < 0) {
|
|
|
+- phy_error(phydev);
|
|
|
+- return IRQ_NONE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Read the current enabled interrupts */
|
|
|
+- int_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
+- if (int_enabled < 0) {
|
|
|
+- phy_error(phydev);
|
|
|
+- return IRQ_NONE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* See if this was one of our enabled interrupts */
|
|
|
+- if (!(irq_status & int_enabled))
|
|
|
+- return IRQ_NONE;
|
|
|
+-
|
|
|
+- phy_trigger_machine(phydev);
|
|
|
+-
|
|
|
+- return IRQ_HANDLED;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void at803x_link_change_notify(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- /*
|
|
|
+- * Conduct a hardware reset for AT8030 every time a link loss is
|
|
|
+- * signalled. This is necessary to circumvent a hardware bug that
|
|
|
+- * occurs when the cable is unplugged while TX packets are pending
|
|
|
+- * in the FIFO. In such cases, the FIFO enters an error mode it
|
|
|
+- * cannot recover from by software.
|
|
|
+- */
|
|
|
+- if (phydev->state == PHY_NOLINK && phydev->mdio.reset_gpio) {
|
|
|
+- struct at803x_context context;
|
|
|
+-
|
|
|
+- at803x_context_save(phydev, &context);
|
|
|
+-
|
|
|
+- phy_device_reset(phydev, 1);
|
|
|
+- usleep_range(1000, 2000);
|
|
|
+- phy_device_reset(phydev, 0);
|
|
|
+- usleep_range(1000, 2000);
|
|
|
+-
|
|
|
+- at803x_context_restore(phydev, &context);
|
|
|
+-
|
|
|
+- phydev_dbg(phydev, "%s(): phy was reset\n", __func__);
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_read_specific_status(struct phy_device *phydev,
|
|
|
+- struct at803x_ss_mask ss_mask)
|
|
|
+-{
|
|
|
+- int ss;
|
|
|
+-
|
|
|
+- /* Read the AT8035 PHY-Specific Status register, which indicates the
|
|
|
+- * speed and duplex that the PHY is actually using, irrespective of
|
|
|
+- * whether we are in autoneg mode or not.
|
|
|
+- */
|
|
|
+- ss = phy_read(phydev, AT803X_SPECIFIC_STATUS);
|
|
|
+- if (ss < 0)
|
|
|
+- return ss;
|
|
|
+-
|
|
|
+- if (ss & AT803X_SS_SPEED_DUPLEX_RESOLVED) {
|
|
|
+- int sfc, speed;
|
|
|
+-
|
|
|
+- sfc = phy_read(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL);
|
|
|
+- if (sfc < 0)
|
|
|
+- return sfc;
|
|
|
+-
|
|
|
+- speed = ss & ss_mask.speed_mask;
|
|
|
+- speed >>= ss_mask.speed_shift;
|
|
|
+-
|
|
|
+- switch (speed) {
|
|
|
+- case AT803X_SS_SPEED_10:
|
|
|
+- phydev->speed = SPEED_10;
|
|
|
+- break;
|
|
|
+- case AT803X_SS_SPEED_100:
|
|
|
+- phydev->speed = SPEED_100;
|
|
|
+- break;
|
|
|
+- case AT803X_SS_SPEED_1000:
|
|
|
+- phydev->speed = SPEED_1000;
|
|
|
+- break;
|
|
|
+- case QCA808X_SS_SPEED_2500:
|
|
|
+- phydev->speed = SPEED_2500;
|
|
|
+- break;
|
|
|
+- }
|
|
|
+- if (ss & AT803X_SS_DUPLEX)
|
|
|
+- phydev->duplex = DUPLEX_FULL;
|
|
|
+- else
|
|
|
+- phydev->duplex = DUPLEX_HALF;
|
|
|
+-
|
|
|
+- if (ss & AT803X_SS_MDIX)
|
|
|
+- phydev->mdix = ETH_TP_MDI_X;
|
|
|
+- else
|
|
|
+- phydev->mdix = ETH_TP_MDI;
|
|
|
+-
|
|
|
+- switch (FIELD_GET(AT803X_SFC_MDI_CROSSOVER_MODE_M, sfc)) {
|
|
|
+- case AT803X_SFC_MANUAL_MDI:
|
|
|
+- phydev->mdix_ctrl = ETH_TP_MDI;
|
|
|
+- break;
|
|
|
+- case AT803X_SFC_MANUAL_MDIX:
|
|
|
+- phydev->mdix_ctrl = ETH_TP_MDI_X;
|
|
|
+- break;
|
|
|
+- case AT803X_SFC_AUTOMATIC_CROSSOVER:
|
|
|
+- phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
|
|
|
+- break;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_read_status(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_ss_mask ss_mask = { 0 };
|
|
|
+- int err, old_link = phydev->link;
|
|
|
+-
|
|
|
+- /* Update the link, but return if there was an error */
|
|
|
+- err = genphy_update_link(phydev);
|
|
|
+- if (err)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- /* why bother the PHY if nothing can have changed */
|
|
|
+- if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- phydev->speed = SPEED_UNKNOWN;
|
|
|
+- phydev->duplex = DUPLEX_UNKNOWN;
|
|
|
+- phydev->pause = 0;
|
|
|
+- phydev->asym_pause = 0;
|
|
|
+-
|
|
|
+- err = genphy_read_lpa(phydev);
|
|
|
+- if (err < 0)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- ss_mask.speed_mask = AT803X_SS_SPEED_MASK;
|
|
|
+- ss_mask.speed_shift = __bf_shf(AT803X_SS_SPEED_MASK);
|
|
|
+- err = at803x_read_specific_status(phydev, ss_mask);
|
|
|
+- if (err < 0)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete)
|
|
|
+- phy_resolve_aneg_pause(phydev);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_config_mdix(struct phy_device *phydev, u8 ctrl)
|
|
|
+-{
|
|
|
+- u16 val;
|
|
|
+-
|
|
|
+- switch (ctrl) {
|
|
|
+- case ETH_TP_MDI:
|
|
|
+- val = AT803X_SFC_MANUAL_MDI;
|
|
|
+- break;
|
|
|
+- case ETH_TP_MDI_X:
|
|
|
+- val = AT803X_SFC_MANUAL_MDIX;
|
|
|
+- break;
|
|
|
+- case ETH_TP_MDI_AUTO:
|
|
|
+- val = AT803X_SFC_AUTOMATIC_CROSSOVER;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- return 0;
|
|
|
+- }
|
|
|
+-
|
|
|
+- return phy_modify_changed(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL,
|
|
|
+- AT803X_SFC_MDI_CROSSOVER_MODE_M,
|
|
|
+- FIELD_PREP(AT803X_SFC_MDI_CROSSOVER_MODE_M, val));
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_prepare_config_aneg(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = at803x_config_mdix(phydev, phydev->mdix_ctrl);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* Changes of the midx bits are disruptive to the normal operation;
|
|
|
+- * therefore any changes to these registers must be followed by a
|
|
|
+- * software reset to take effect.
|
|
|
+- */
|
|
|
+- if (ret == 1) {
|
|
|
+- ret = genphy_soft_reset(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_config_aneg(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = at803x_prepare_config_aneg(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (priv->is_1000basex)
|
|
|
+- return genphy_c37_config_aneg(phydev);
|
|
|
+-
|
|
|
+- return genphy_config_aneg(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
|
|
|
+-{
|
|
|
+- int val;
|
|
|
+-
|
|
|
+- val = phy_read(phydev, AT803X_SMART_SPEED);
|
|
|
+- if (val < 0)
|
|
|
+- return val;
|
|
|
+-
|
|
|
+- if (val & AT803X_SMART_SPEED_ENABLE)
|
|
|
+- *d = FIELD_GET(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, val) + 2;
|
|
|
+- else
|
|
|
+- *d = DOWNSHIFT_DEV_DISABLE;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_set_downshift(struct phy_device *phydev, u8 cnt)
|
|
|
+-{
|
|
|
+- u16 mask, set;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- switch (cnt) {
|
|
|
+- case DOWNSHIFT_DEV_DEFAULT_COUNT:
|
|
|
+- cnt = AT803X_DEFAULT_DOWNSHIFT;
|
|
|
+- fallthrough;
|
|
|
+- case AT803X_MIN_DOWNSHIFT ... AT803X_MAX_DOWNSHIFT:
|
|
|
+- set = AT803X_SMART_SPEED_ENABLE |
|
|
|
+- AT803X_SMART_SPEED_BYPASS_TIMER |
|
|
|
+- FIELD_PREP(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, cnt - 2);
|
|
|
+- mask = AT803X_SMART_SPEED_RETRY_LIMIT_MASK;
|
|
|
+- break;
|
|
|
+- case DOWNSHIFT_DEV_DISABLE:
|
|
|
+- set = 0;
|
|
|
+- mask = AT803X_SMART_SPEED_ENABLE |
|
|
|
+- AT803X_SMART_SPEED_BYPASS_TIMER;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- ret = phy_modify_changed(phydev, AT803X_SMART_SPEED, mask, set);
|
|
|
+-
|
|
|
+- /* After changing the smart speed settings, we need to perform a
|
|
|
+- * software reset, use phy_init_hw() to make sure we set the
|
|
|
+- * reapply any values which might got lost during software reset.
|
|
|
+- */
|
|
|
+- if (ret == 1)
|
|
|
+- ret = phy_init_hw(phydev);
|
|
|
+-
|
|
|
+- return ret;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_get_tunable(struct phy_device *phydev,
|
|
|
+- struct ethtool_tunable *tuna, void *data)
|
|
|
+-{
|
|
|
+- switch (tuna->id) {
|
|
|
+- case ETHTOOL_PHY_DOWNSHIFT:
|
|
|
+- return at803x_get_downshift(phydev, data);
|
|
|
+- default:
|
|
|
+- return -EOPNOTSUPP;
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_set_tunable(struct phy_device *phydev,
|
|
|
+- struct ethtool_tunable *tuna, const void *data)
|
|
|
+-{
|
|
|
+- switch (tuna->id) {
|
|
|
+- case ETHTOOL_PHY_DOWNSHIFT:
|
|
|
+- return at803x_set_downshift(phydev, *(const u8 *)data);
|
|
|
+- default:
|
|
|
+- return -EOPNOTSUPP;
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cable_test_result_trans(u16 status)
|
|
|
+-{
|
|
|
+- switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
|
|
|
+- case AT803X_CDT_STATUS_STAT_NORMAL:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_OK;
|
|
|
+- case AT803X_CDT_STATUS_STAT_SHORT:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
|
|
|
+- case AT803X_CDT_STATUS_STAT_OPEN:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
|
|
|
+- case AT803X_CDT_STATUS_STAT_FAIL:
|
|
|
+- default:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bool at803x_cdt_test_failed(u16 status)
|
|
|
+-{
|
|
|
+- return FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status) ==
|
|
|
+- AT803X_CDT_STATUS_STAT_FAIL;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bool at803x_cdt_fault_length_valid(u16 status)
|
|
|
+-{
|
|
|
+- switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
|
|
|
+- case AT803X_CDT_STATUS_STAT_OPEN:
|
|
|
+- case AT803X_CDT_STATUS_STAT_SHORT:
|
|
|
+- return true;
|
|
|
+- }
|
|
|
+- return false;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cdt_fault_length(int dt)
|
|
|
+-{
|
|
|
+- /* According to the datasheet the distance to the fault is
|
|
|
+- * DELTA_TIME * 0.824 meters.
|
|
|
+- *
|
|
|
+- * The author suspect the correct formula is:
|
|
|
+- *
|
|
|
+- * fault_distance = DELTA_TIME * (c * VF) / 125MHz / 2
|
|
|
+- *
|
|
|
+- * where c is the speed of light, VF is the velocity factor of
|
|
|
+- * the twisted pair cable, 125MHz the counter frequency and
|
|
|
+- * we need to divide by 2 because the hardware will measure the
|
|
|
+- * round trip time to the fault and back to the PHY.
|
|
|
+- *
|
|
|
+- * With a VF of 0.69 we get the factor 0.824 mentioned in the
|
|
|
+- * datasheet.
|
|
|
+- */
|
|
|
+- return (dt * 824) / 10;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cdt_start(struct phy_device *phydev,
|
|
|
+- u32 cdt_start)
|
|
|
+-{
|
|
|
+- return phy_write(phydev, AT803X_CDT, cdt_start);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cdt_wait_for_completion(struct phy_device *phydev,
|
|
|
+- u32 cdt_en)
|
|
|
+-{
|
|
|
+- int val, ret;
|
|
|
+-
|
|
|
+- /* One test run takes about 25ms */
|
|
|
+- ret = phy_read_poll_timeout(phydev, AT803X_CDT, val,
|
|
|
+- !(val & cdt_en),
|
|
|
+- 30000, 100000, true);
|
|
|
+-
|
|
|
+- return ret < 0 ? ret : 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cable_test_one_pair(struct phy_device *phydev, int pair)
|
|
|
+-{
|
|
|
+- static const int ethtool_pair[] = {
|
|
|
+- ETHTOOL_A_CABLE_PAIR_A,
|
|
|
+- ETHTOOL_A_CABLE_PAIR_B,
|
|
|
+- ETHTOOL_A_CABLE_PAIR_C,
|
|
|
+- ETHTOOL_A_CABLE_PAIR_D,
|
|
|
+- };
|
|
|
+- int ret, val;
|
|
|
+-
|
|
|
+- val = FIELD_PREP(AT803X_CDT_MDI_PAIR_MASK, pair) |
|
|
|
+- AT803X_CDT_ENABLE_TEST;
|
|
|
+- ret = at803x_cdt_start(phydev, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at803x_cdt_wait_for_completion(phydev, AT803X_CDT_ENABLE_TEST);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- val = phy_read(phydev, AT803X_CDT_STATUS);
|
|
|
+- if (val < 0)
|
|
|
+- return val;
|
|
|
+-
|
|
|
+- if (at803x_cdt_test_failed(val))
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- ethnl_cable_test_result(phydev, ethtool_pair[pair],
|
|
|
+- at803x_cable_test_result_trans(val));
|
|
|
+-
|
|
|
+- if (at803x_cdt_fault_length_valid(val)) {
|
|
|
+- val = FIELD_GET(AT803X_CDT_STATUS_DELTA_TIME_MASK, val);
|
|
|
+- ethnl_cable_test_fault_length(phydev, ethtool_pair[pair],
|
|
|
+- at803x_cdt_fault_length(val));
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 1;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cable_test_get_status(struct phy_device *phydev,
|
|
|
+- bool *finished, unsigned long pair_mask)
|
|
|
+-{
|
|
|
+- int retries = 20;
|
|
|
+- int pair, ret;
|
|
|
+-
|
|
|
+- *finished = false;
|
|
|
+-
|
|
|
+- /* According to the datasheet the CDT can be performed when
|
|
|
+- * there is no link partner or when the link partner is
|
|
|
+- * auto-negotiating. Starting the test will restart the AN
|
|
|
+- * automatically. It seems that doing this repeatedly we will
|
|
|
+- * get a slot where our link partner won't disturb our
|
|
|
+- * measurement.
|
|
|
+- */
|
|
|
+- while (pair_mask && retries--) {
|
|
|
+- for_each_set_bit(pair, &pair_mask, 4) {
|
|
|
+- ret = at803x_cable_test_one_pair(phydev, pair);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+- if (ret)
|
|
|
+- clear_bit(pair, &pair_mask);
|
|
|
+- }
|
|
|
+- if (pair_mask)
|
|
|
+- msleep(250);
|
|
|
+- }
|
|
|
+-
|
|
|
+- *finished = true;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void at803x_cable_test_autoneg(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- /* Enable auto-negotiation, but advertise no capabilities, no link
|
|
|
+- * will be established. A restart of the auto-negotiation is not
|
|
|
+- * required, because the cable test will automatically break the link.
|
|
|
+- */
|
|
|
+- phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
|
|
|
+- phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at803x_cable_test_start(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- at803x_cable_test_autoneg(phydev);
|
|
|
+- /* we do all the (time consuming) work later */
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev,
|
|
|
+- unsigned int selector)
|
|
|
+-{
|
|
|
+- struct phy_device *phydev = rdev_get_drvdata(rdev);
|
|
|
+-
|
|
|
+- if (selector)
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
+- 0, AT803X_DEBUG_RGMII_1V8);
|
|
|
+- else
|
|
|
+- return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
+- AT803X_DEBUG_RGMII_1V8, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev)
|
|
|
+-{
|
|
|
+- struct phy_device *phydev = rdev_get_drvdata(rdev);
|
|
|
+- int val;
|
|
|
+-
|
|
|
+- val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F);
|
|
|
+- if (val < 0)
|
|
|
+- return val;
|
|
|
+-
|
|
|
+- return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static const struct regulator_ops vddio_regulator_ops = {
|
|
|
+- .list_voltage = regulator_list_voltage_table,
|
|
|
+- .set_voltage_sel = at8031_rgmii_reg_set_voltage_sel,
|
|
|
+- .get_voltage_sel = at8031_rgmii_reg_get_voltage_sel,
|
|
|
+-};
|
|
|
+-
|
|
|
+-static const unsigned int vddio_voltage_table[] = {
|
|
|
+- 1500000,
|
|
|
+- 1800000,
|
|
|
+-};
|
|
|
+-
|
|
|
+-static const struct regulator_desc vddio_desc = {
|
|
|
+- .name = "vddio",
|
|
|
+- .of_match = of_match_ptr("vddio-regulator"),
|
|
|
+- .n_voltages = ARRAY_SIZE(vddio_voltage_table),
|
|
|
+- .volt_table = vddio_voltage_table,
|
|
|
+- .ops = &vddio_regulator_ops,
|
|
|
+- .type = REGULATOR_VOLTAGE,
|
|
|
+- .owner = THIS_MODULE,
|
|
|
+-};
|
|
|
+-
|
|
|
+-static const struct regulator_ops vddh_regulator_ops = {
|
|
|
+-};
|
|
|
+-
|
|
|
+-static const struct regulator_desc vddh_desc = {
|
|
|
+- .name = "vddh",
|
|
|
+- .of_match = of_match_ptr("vddh-regulator"),
|
|
|
+- .n_voltages = 1,
|
|
|
+- .fixed_uV = 2500000,
|
|
|
+- .ops = &vddh_regulator_ops,
|
|
|
+- .type = REGULATOR_VOLTAGE,
|
|
|
+- .owner = THIS_MODULE,
|
|
|
+-};
|
|
|
+-
|
|
|
+-static int at8031_register_regulators(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- struct device *dev = &phydev->mdio.dev;
|
|
|
+- struct regulator_config config = { };
|
|
|
+-
|
|
|
+- config.dev = dev;
|
|
|
+- config.driver_data = phydev;
|
|
|
+-
|
|
|
+- priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config);
|
|
|
+- if (IS_ERR(priv->vddio_rdev)) {
|
|
|
+- phydev_err(phydev, "failed to register VDDIO regulator\n");
|
|
|
+- return PTR_ERR(priv->vddio_rdev);
|
|
|
+- }
|
|
|
+-
|
|
|
+- priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config);
|
|
|
+- if (IS_ERR(priv->vddh_rdev)) {
|
|
|
+- phydev_err(phydev, "failed to register VDDH regulator\n");
|
|
|
+- return PTR_ERR(priv->vddh_rdev);
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
|
|
|
+-{
|
|
|
+- struct phy_device *phydev = upstream;
|
|
|
+- __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_support);
|
|
|
+- __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
|
|
|
+- DECLARE_PHY_INTERFACE_MASK(interfaces);
|
|
|
+- phy_interface_t iface;
|
|
|
+-
|
|
|
+- linkmode_zero(phy_support);
|
|
|
+- phylink_set(phy_support, 1000baseX_Full);
|
|
|
+- phylink_set(phy_support, 1000baseT_Full);
|
|
|
+- phylink_set(phy_support, Autoneg);
|
|
|
+- phylink_set(phy_support, Pause);
|
|
|
+- phylink_set(phy_support, Asym_Pause);
|
|
|
+-
|
|
|
+- linkmode_zero(sfp_support);
|
|
|
+- sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces);
|
|
|
+- /* Some modules support 10G modes as well as others we support.
|
|
|
+- * Mask out non-supported modes so the correct interface is picked.
|
|
|
+- */
|
|
|
+- linkmode_and(sfp_support, phy_support, sfp_support);
|
|
|
+-
|
|
|
+- if (linkmode_empty(sfp_support)) {
|
|
|
+- dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- iface = sfp_select_interface(phydev->sfp_bus, sfp_support);
|
|
|
+-
|
|
|
+- /* Only 1000Base-X is supported by AR8031/8033 as the downstream SerDes
|
|
|
+- * interface for use with SFP modules.
|
|
|
+- * However, some copper modules detected as having a preferred SGMII
|
|
|
+- * interface do default to and function in 1000Base-X mode, so just
|
|
|
+- * print a warning and allow such modules, as they may have some chance
|
|
|
+- * of working.
|
|
|
+- */
|
|
|
+- if (iface == PHY_INTERFACE_MODE_SGMII)
|
|
|
+- dev_warn(&phydev->mdio.dev, "module may not function if 1000Base-X not supported\n");
|
|
|
+- else if (iface != PHY_INTERFACE_MODE_1000BASEX)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static const struct sfp_upstream_ops at8031_sfp_ops = {
|
|
|
+- .attach = phy_sfp_attach,
|
|
|
+- .detach = phy_sfp_detach,
|
|
|
+- .module_insert = at8031_sfp_insert,
|
|
|
+-};
|
|
|
+-
|
|
|
+-static int at8031_parse_dt(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct device_node *node = phydev->mdio.dev.of_node;
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- if (of_property_read_bool(node, "qca,keep-pll-enabled"))
|
|
|
+- priv->flags |= AT803X_KEEP_PLL_ENABLED;
|
|
|
+-
|
|
|
+- ret = at8031_register_regulators(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = devm_regulator_get_enable_optional(&phydev->mdio.dev,
|
|
|
+- "vddio");
|
|
|
+- if (ret) {
|
|
|
+- phydev_err(phydev, "failed to get VDDIO regulator\n");
|
|
|
+- return ret;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Only AR8031/8033 support 1000Base-X for SFP modules */
|
|
|
+- return phy_sfp_probe(phydev, &at8031_sfp_ops);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_probe(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int mode_cfg;
|
|
|
+- int ccr;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = at803x_probe(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* Only supported on AR8031/AR8033, the AR8030/AR8035 use strapping
|
|
|
+- * options.
|
|
|
+- */
|
|
|
+- ret = at8031_parse_dt(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
|
|
|
+- if (ccr < 0)
|
|
|
+- return ccr;
|
|
|
+- mode_cfg = ccr & AT803X_MODE_CFG_MASK;
|
|
|
+-
|
|
|
+- switch (mode_cfg) {
|
|
|
+- case AT803X_MODE_CFG_BX1000_RGMII_50OHM:
|
|
|
+- case AT803X_MODE_CFG_BX1000_RGMII_75OHM:
|
|
|
+- priv->is_1000basex = true;
|
|
|
+- fallthrough;
|
|
|
+- case AT803X_MODE_CFG_FX100_RGMII_50OHM:
|
|
|
+- case AT803X_MODE_CFG_FX100_RGMII_75OHM:
|
|
|
+- priv->is_fiber = true;
|
|
|
+- break;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Disable WoL in 1588 register which is enabled
|
|
|
+- * by default
|
|
|
+- */
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
+- AT803X_PHY_MMD3_WOL_CTRL,
|
|
|
+- AT803X_WOL_EN, 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_config_init(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- /* Some bootloaders leave the fiber page selected.
|
|
|
+- * Switch to the appropriate page (fiber or copper), as otherwise we
|
|
|
+- * read the PHY capabilities from the wrong page.
|
|
|
+- */
|
|
|
+- phy_lock_mdio_bus(phydev);
|
|
|
+- ret = at803x_write_page(phydev,
|
|
|
+- priv->is_fiber ? AT803X_PAGE_FIBER :
|
|
|
+- AT803X_PAGE_COPPER);
|
|
|
+- phy_unlock_mdio_bus(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at8031_pll_config(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return at803x_config_init(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_set_wol(struct phy_device *phydev,
|
|
|
+- struct ethtool_wolinfo *wol)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- /* First setup MAC address and enable WOL interrupt */
|
|
|
+- ret = at803x_set_wol(phydev, wol);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (wol->wolopts & WAKE_MAGIC)
|
|
|
+- /* Enable WOL function for 1588 */
|
|
|
+- ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
+- AT803X_PHY_MMD3_WOL_CTRL,
|
|
|
+- 0, AT803X_WOL_EN);
|
|
|
+- else
|
|
|
+- /* Disable WoL function for 1588 */
|
|
|
+- ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
+- AT803X_PHY_MMD3_WOL_CTRL,
|
|
|
+- AT803X_WOL_EN, 0);
|
|
|
+-
|
|
|
+- return ret;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8031_config_intr(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- int err, value = 0;
|
|
|
+-
|
|
|
+- if (phydev->interrupts == PHY_INTERRUPT_ENABLED &&
|
|
|
+- priv->is_fiber) {
|
|
|
+- /* Clear any pending interrupts */
|
|
|
+- err = at803x_ack_interrupt(phydev);
|
|
|
+- if (err)
|
|
|
+- return err;
|
|
|
+-
|
|
|
+- value |= AT803X_INTR_ENABLE_LINK_FAIL_BX;
|
|
|
+- value |= AT803X_INTR_ENABLE_LINK_SUCCESS_BX;
|
|
|
+-
|
|
|
+- err = phy_set_bits(phydev, AT803X_INTR_ENABLE, value);
|
|
|
+- if (err)
|
|
|
+- return err;
|
|
|
+- }
|
|
|
+-
|
|
|
+- return at803x_config_intr(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* AR8031 and AR8033 share the same read status logic */
|
|
|
+-static int at8031_read_status(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+-
|
|
|
+- if (priv->is_1000basex)
|
|
|
+- return genphy_c37_read_status(phydev);
|
|
|
+-
|
|
|
+- return at803x_read_status(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* AR8031 and AR8035 share the same cable test get status reg */
|
|
|
+-static int at8031_cable_test_get_status(struct phy_device *phydev,
|
|
|
+- bool *finished)
|
|
|
+-{
|
|
|
+- return at803x_cable_test_get_status(phydev, finished, 0xf);
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* AR8031 and AR8035 share the same cable test start logic */
|
|
|
+-static int at8031_cable_test_start(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- at803x_cable_test_autoneg(phydev);
|
|
|
+- phy_write(phydev, MII_CTRL1000, 0);
|
|
|
+- /* we do all the (time consuming) work later */
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* AR8032, AR9331 and QCA9561 share the same cable test get status reg */
|
|
|
+-static int at8032_cable_test_get_status(struct phy_device *phydev,
|
|
|
+- bool *finished)
|
|
|
+-{
|
|
|
+- return at803x_cable_test_get_status(phydev, finished, 0x3);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int at8035_parse_dt(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+-
|
|
|
+- /* Mask is set by the generic at803x_parse_dt
|
|
|
+- * if property is set. Assume property is set
|
|
|
+- * with the mask not zero.
|
|
|
+- */
|
|
|
+- if (priv->clk_25m_mask) {
|
|
|
+- /* Fixup for the AR8030/AR8035. This chip has another mask and
|
|
|
+- * doesn't support the DSP reference. Eg. the lowest bit of the
|
|
|
+- * mask. The upper two bits select the same frequencies. Mask
|
|
|
+- * the lowest bit here.
|
|
|
+- *
|
|
|
+- * Warning:
|
|
|
+- * There was no datasheet for the AR8030 available so this is
|
|
|
+- * just a guess. But the AR8035 is listed as pin compatible
|
|
|
+- * to the AR8030 so there might be a good chance it works on
|
|
|
+- * the AR8030 too.
|
|
|
+- */
|
|
|
+- priv->clk_25m_reg &= AT8035_CLK_OUT_MASK;
|
|
|
+- priv->clk_25m_mask &= AT8035_CLK_OUT_MASK;
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-/* AR8030 and AR8035 shared the same special mask for clk_25m */
|
|
|
+-static int at8035_probe(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = at803x_probe(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return at8035_parse_dt(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca83xx_config_init(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- u8 switch_revision;
|
|
|
+-
|
|
|
+- switch_revision = phydev->dev_flags & QCA8K_DEVFLAGS_REVISION_MASK;
|
|
|
+-
|
|
|
+- switch (switch_revision) {
|
|
|
+- case 1:
|
|
|
+- /* For 100M waveform */
|
|
|
+- at803x_debug_reg_write(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0x02ea);
|
|
|
+- /* Turn on Gigabit clock */
|
|
|
+- at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x68a0);
|
|
|
+- break;
|
|
|
+-
|
|
|
+- case 2:
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0x0);
|
|
|
+- fallthrough;
|
|
|
+- case 4:
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_AZ_DEBUG, 0x803f);
|
|
|
+- at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x6860);
|
|
|
+- at803x_debug_reg_write(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0x2c46);
|
|
|
+- at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_3C, 0x6000);
|
|
|
+- break;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Following original QCA sourcecode set port to prefer master */
|
|
|
+- phy_set_bits(phydev, MII_CTRL1000, CTL1000_PREFER_MASTER);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca8327_config_init(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- /* QCA8327 require DAC amplitude adjustment for 100m set to +6%.
|
|
|
+- * Disable on init and enable only with 100m speed following
|
|
|
+- * qca original source code.
|
|
|
+- */
|
|
|
+- at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
+- QCA8327_DEBUG_MANU_CTRL_EN, 0);
|
|
|
+-
|
|
|
+- return qca83xx_config_init(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void qca83xx_link_change_notify(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- /* Set DAC Amplitude adjustment to +6% for 100m on link running */
|
|
|
+- if (phydev->state == PHY_RUNNING) {
|
|
|
+- if (phydev->speed == SPEED_100)
|
|
|
+- at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
+- QCA8327_DEBUG_MANU_CTRL_EN,
|
|
|
+- QCA8327_DEBUG_MANU_CTRL_EN);
|
|
|
+- } else {
|
|
|
+- /* Reset DAC Amplitude adjustment */
|
|
|
+- at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
+- QCA8327_DEBUG_MANU_CTRL_EN, 0);
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca83xx_resume(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret, val;
|
|
|
+-
|
|
|
+- /* Skip reset if not suspended */
|
|
|
+- if (!phydev->suspended)
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- /* Reinit the port, reset values set by suspend */
|
|
|
+- qca83xx_config_init(phydev);
|
|
|
+-
|
|
|
+- /* Reset the port on port resume */
|
|
|
+- phy_set_bits(phydev, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
|
|
|
+-
|
|
|
+- /* On resume from suspend the switch execute a reset and
|
|
|
+- * restart auto-negotiation. Wait for reset to complete.
|
|
|
+- */
|
|
|
+- ret = phy_read_poll_timeout(phydev, MII_BMCR, val, !(val & BMCR_RESET),
|
|
|
+- 50000, 600000, true);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- usleep_range(1000, 2000);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca83xx_suspend(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_GREEN,
|
|
|
+- AT803X_DEBUG_GATE_CLK_IN1000, 0);
|
|
|
+-
|
|
|
+- at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
|
|
|
+- AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE |
|
|
|
+- AT803X_DEBUG_HIB_CTRL_SEL_RST_80U, 0);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca8337_suspend(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- /* Only QCA8337 support actual suspend. */
|
|
|
+- genphy_suspend(phydev);
|
|
|
+-
|
|
|
+- return qca83xx_suspend(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca8327_suspend(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- u16 mask = 0;
|
|
|
+-
|
|
|
+- /* QCA8327 cause port unreliability when phy suspend
|
|
|
+- * is set.
|
|
|
+- */
|
|
|
+- mask |= ~(BMCR_SPEED1000 | BMCR_FULLDPLX);
|
|
|
+- phy_modify(phydev, MII_BMCR, mask, 0);
|
|
|
+-
|
|
|
+- return qca83xx_suspend(phydev);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_phy_fast_retrain_config(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- /* Enable fast retrain */
|
|
|
+- ret = genphy_c45_fast_retrain(phydev, true);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_TOP_OPTION1,
|
|
|
+- QCA808X_TOP_OPTION1_DATA);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB,
|
|
|
+- QCA808X_MSE_THRESHOLD_20DB_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB,
|
|
|
+- QCA808X_MSE_THRESHOLD_17DB_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB,
|
|
|
+- QCA808X_MSE_THRESHOLD_27DB_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB,
|
|
|
+- QCA808X_MSE_THRESHOLD_28DB_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_1,
|
|
|
+- QCA808X_MMD3_DEBUG_1_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_4,
|
|
|
+- QCA808X_MMD3_DEBUG_4_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_5,
|
|
|
+- QCA808X_MMD3_DEBUG_5_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_3,
|
|
|
+- QCA808X_MMD3_DEBUG_3_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_6,
|
|
|
+- QCA808X_MMD3_DEBUG_6_VALUE);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_2,
|
|
|
+- QCA808X_MMD3_DEBUG_2_VALUE);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_phy_ms_seed_enable(struct phy_device *phydev, bool enable)
|
|
|
+-{
|
|
|
+- u16 seed_value;
|
|
|
+-
|
|
|
+- if (!enable)
|
|
|
+- return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
|
|
|
+- QCA808X_MASTER_SLAVE_SEED_ENABLE, 0);
|
|
|
+-
|
|
|
+- seed_value = prandom_u32_max(QCA808X_MASTER_SLAVE_SEED_RANGE);
|
|
|
+- return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
|
|
|
+- QCA808X_MASTER_SLAVE_SEED_CFG | QCA808X_MASTER_SLAVE_SEED_ENABLE,
|
|
|
+- FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value) |
|
|
|
+- QCA808X_MASTER_SLAVE_SEED_ENABLE);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bool qca808x_is_prefer_master(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_FORCE) ||
|
|
|
+- (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_PREFERRED);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bool qca808x_has_fast_retrain_or_slave_seed(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_config_init(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- /* Active adc&vga on 802.3az for the link 1000M and 100M */
|
|
|
+- ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_ADDR_CLD_CTRL7,
|
|
|
+- QCA808X_8023AZ_AFE_CTRL_MASK, QCA808X_8023AZ_AFE_EN);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* Adjust the threshold on 802.3az for the link 1000M */
|
|
|
+- ret = phy_write_mmd(phydev, MDIO_MMD_PCS,
|
|
|
+- QCA808X_PHY_MMD3_AZ_TRAINING_CTRL,
|
|
|
+- QCA808X_MMD3_AZ_TRAINING_VAL);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
|
|
|
+- /* Config the fast retrain for the link 2500M */
|
|
|
+- ret = qca808x_phy_fast_retrain_config(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = genphy_read_master_slave(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (!qca808x_is_prefer_master(phydev)) {
|
|
|
+- /* Enable seed and configure lower ramdom seed to make phy
|
|
|
+- * linked as slave mode.
|
|
|
+- */
|
|
|
+- ret = qca808x_phy_ms_seed_enable(phydev, true);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Configure adc threshold as 100mv for the link 10M */
|
|
|
+- return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_ADC_THRESHOLD,
|
|
|
+- QCA808X_ADC_THRESHOLD_MASK,
|
|
|
+- QCA808X_ADC_THRESHOLD_100MV);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_read_status(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- struct at803x_ss_mask ss_mask = { 0 };
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_STAT);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->lp_advertising,
|
|
|
+- ret & MDIO_AN_10GBT_STAT_LP2_5G);
|
|
|
+-
|
|
|
+- ret = genphy_read_status(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* qca8081 takes the different bits for speed value from at803x */
|
|
|
+- ss_mask.speed_mask = QCA808X_SS_SPEED_MASK;
|
|
|
+- ss_mask.speed_shift = __bf_shf(QCA808X_SS_SPEED_MASK);
|
|
|
+- ret = at803x_read_specific_status(phydev, ss_mask);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (phydev->link) {
|
|
|
+- if (phydev->speed == SPEED_2500)
|
|
|
+- phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
|
|
|
+- else
|
|
|
+- phydev->interface = PHY_INTERFACE_MODE_SGMII;
|
|
|
+- } else {
|
|
|
+- /* generate seed as a lower random value to make PHY linked as SLAVE easily,
|
|
|
+- * except for master/slave configuration fault detected or the master mode
|
|
|
+- * preferred.
|
|
|
+- *
|
|
|
+- * the reason for not putting this code into the function link_change_notify is
|
|
|
+- * the corner case where the link partner is also the qca8081 PHY and the seed
|
|
|
+- * value is configured as the same value, the link can't be up and no link change
|
|
|
+- * occurs.
|
|
|
+- */
|
|
|
+- if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
|
|
|
+- if (phydev->master_slave_state == MASTER_SLAVE_STATE_ERR ||
|
|
|
+- qca808x_is_prefer_master(phydev)) {
|
|
|
+- qca808x_phy_ms_seed_enable(phydev, false);
|
|
|
+- } else {
|
|
|
+- qca808x_phy_ms_seed_enable(phydev, true);
|
|
|
+- }
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_soft_reset(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = genphy_soft_reset(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (qca808x_has_fast_retrain_or_slave_seed(phydev))
|
|
|
+- ret = qca808x_phy_ms_seed_enable(phydev, true);
|
|
|
+-
|
|
|
+- return ret;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bool qca808x_cdt_fault_length_valid(int cdt_code)
|
|
|
+-{
|
|
|
+- switch (cdt_code) {
|
|
|
+- case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
|
|
|
+- return true;
|
|
|
+- default:
|
|
|
+- return false;
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_cable_test_result_trans(int cdt_code)
|
|
|
+-{
|
|
|
+- switch (cdt_code) {
|
|
|
+- case QCA808X_CDT_STATUS_STAT_NORMAL:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_OK;
|
|
|
+- case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
|
|
|
+- case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
|
|
|
+- case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
|
|
|
+- case QCA808X_CDT_STATUS_STAT_FAIL:
|
|
|
+- default:
|
|
|
+- return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_cdt_fault_length(struct phy_device *phydev, int pair,
|
|
|
+- int result)
|
|
|
+-{
|
|
|
+- int val;
|
|
|
+- u32 cdt_length_reg = 0;
|
|
|
+-
|
|
|
+- switch (pair) {
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_A:
|
|
|
+- cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_A;
|
|
|
+- break;
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_B:
|
|
|
+- cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_B;
|
|
|
+- break;
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_C:
|
|
|
+- cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_C;
|
|
|
+- break;
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_D:
|
|
|
+- cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_D;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- val = phy_read_mmd(phydev, MDIO_MMD_PCS, cdt_length_reg);
|
|
|
+- if (val < 0)
|
|
|
+- return val;
|
|
|
+-
|
|
|
+- if (result == ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT)
|
|
|
+- val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_SAME_SHORT, val);
|
|
|
+- else
|
|
|
+- val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT, val);
|
|
|
+-
|
|
|
+- return at803x_cdt_fault_length(val);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_cable_test_start(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- /* perform CDT with the following configs:
|
|
|
+- * 1. disable hibernation.
|
|
|
+- * 2. force PHY working in MDI mode.
|
|
|
+- * 3. for PHY working in 1000BaseT.
|
|
|
+- * 4. configure the threshold.
|
|
|
+- */
|
|
|
+-
|
|
|
+- ret = at803x_debug_reg_mask(phydev, QCA808X_DBG_AN_TEST, QCA808X_HIBERNATION_EN, 0);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at803x_config_mdix(phydev, ETH_TP_MDI);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* Force 1000base-T needs to configure PMA/PMD and MII_BMCR */
|
|
|
+- phydev->duplex = DUPLEX_FULL;
|
|
|
+- phydev->speed = SPEED_1000;
|
|
|
+- ret = genphy_c45_pma_setup_forced(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = genphy_setup_forced(phydev);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* configure the thresholds for open, short, pair ok test */
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8074, 0xc040);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8076, 0xc040);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8077, 0xa060);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8078, 0xc050);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807a, 0xc060);
|
|
|
+- phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807e, 0xb060);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_cable_test_get_pair_status(struct phy_device *phydev, u8 pair,
|
|
|
+- u16 status)
|
|
|
+-{
|
|
|
+- int length, result;
|
|
|
+- u16 pair_code;
|
|
|
+-
|
|
|
+- switch (pair) {
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_A:
|
|
|
+- pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_A, status);
|
|
|
+- break;
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_B:
|
|
|
+- pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_B, status);
|
|
|
+- break;
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_C:
|
|
|
+- pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_C, status);
|
|
|
+- break;
|
|
|
+- case ETHTOOL_A_CABLE_PAIR_D:
|
|
|
+- pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_D, status);
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- result = qca808x_cable_test_result_trans(pair_code);
|
|
|
+- ethnl_cable_test_result(phydev, pair, result);
|
|
|
+-
|
|
|
+- if (qca808x_cdt_fault_length_valid(pair_code)) {
|
|
|
+- length = qca808x_cdt_fault_length(phydev, pair, result);
|
|
|
+- ethnl_cable_test_fault_length(phydev, pair, length);
|
|
|
+- }
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finished)
|
|
|
+-{
|
|
|
+- int ret, val;
|
|
|
+-
|
|
|
+- *finished = false;
|
|
|
+-
|
|
|
+- val = QCA808X_CDT_ENABLE_TEST |
|
|
|
+- QCA808X_CDT_LENGTH_UNIT;
|
|
|
+- ret = at803x_cdt_start(phydev, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = at803x_cdt_wait_for_completion(phydev, QCA808X_CDT_ENABLE_TEST);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- val = phy_read_mmd(phydev, MDIO_MMD_PCS, QCA808X_MMD3_CDT_STATUS);
|
|
|
+- if (val < 0)
|
|
|
+- return val;
|
|
|
+-
|
|
|
+- ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_A, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_B, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_C, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_D, val);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- *finished = true;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_get_features(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = genphy_c45_pma_read_abilities(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* The autoneg ability is not existed in bit3 of MMD7.1,
|
|
|
+- * but it is supported by qca808x PHY, so we add it here
|
|
|
+- * manually.
|
|
|
+- */
|
|
|
+- linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->supported);
|
|
|
+-
|
|
|
+- /* As for the qca8081 1G version chip, the 2500baseT ability is also
|
|
|
+- * existed in the bit0 of MMD1.21, we need to remove it manually if
|
|
|
+- * it is the qca8081 1G chip according to the bit0 of MMD7.0x901d.
|
|
|
+- */
|
|
|
+- ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- if (QCA808X_PHY_CHIP_TYPE_1G & ret)
|
|
|
+- linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_config_aneg(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- int phy_ctrl = 0;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- ret = at803x_prepare_config_aneg(phydev);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* The reg MII_BMCR also needs to be configured for force mode, the
|
|
|
+- * genphy_config_aneg is also needed.
|
|
|
+- */
|
|
|
+- if (phydev->autoneg == AUTONEG_DISABLE)
|
|
|
+- genphy_c45_pma_setup_forced(phydev);
|
|
|
+-
|
|
|
+- if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
|
|
|
+- phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
|
|
|
+-
|
|
|
+- ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
|
|
|
+- MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
|
|
|
+- if (ret < 0)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return __genphy_config_aneg(phydev, ret);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static void qca808x_link_change_notify(struct phy_device *phydev)
|
|
|
+-{
|
|
|
+- /* Assert interface sgmii fifo on link down, deassert it on link up,
|
|
|
+- * the interface device address is always phy address added by 1.
|
|
|
+- */
|
|
|
+- mdiobus_c45_modify_changed(phydev->mdio.bus, phydev->mdio.addr + 1,
|
|
|
+- MDIO_MMD_PMAPMD, QCA8081_PHY_SERDES_MMD1_FIFO_CTRL,
|
|
|
+- QCA8081_PHY_FIFO_RSTN,
|
|
|
+- phydev->link ? QCA8081_PHY_FIFO_RSTN : 0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_parse_netdev(struct phy_device *phydev, unsigned long rules,
|
|
|
+- u16 *offload_trigger)
|
|
|
+-{
|
|
|
+- /* Parsing specific to netdev trigger */
|
|
|
+- if (test_bit(TRIGGER_NETDEV_TX, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_TX_BLINK;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_RX, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_RX_BLINK;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_LINK_10, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_SPEED10_ON;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_LINK_100, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_SPEED100_ON;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_LINK_1000, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_SPEED1000_ON;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_LINK_2500, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_SPEED2500_ON;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_HALF_DUPLEX, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_HALF_DUPLEX_ON;
|
|
|
+- if (test_bit(TRIGGER_NETDEV_FULL_DUPLEX, &rules))
|
|
|
+- *offload_trigger |= QCA808X_LED_FULL_DUPLEX_ON;
|
|
|
+-
|
|
|
+- if (rules && !*offload_trigger)
|
|
|
+- return -EOPNOTSUPP;
|
|
|
+-
|
|
|
+- /* Enable BLINK_CHECK_BYPASS by default to make the LED
|
|
|
+- * blink even with duplex or speed mode not enabled.
|
|
|
+- */
|
|
|
+- *offload_trigger |= QCA808X_LED_BLINK_CHECK_BYPASS;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_hw_control_enable(struct phy_device *phydev, u8 index)
|
|
|
+-{
|
|
|
+- u16 reg;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
+-
|
|
|
+- return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
+- QCA808X_LED_FORCE_EN);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_hw_is_supported(struct phy_device *phydev, u8 index,
|
|
|
+- unsigned long rules)
|
|
|
+-{
|
|
|
+- u16 offload_trigger = 0;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- return qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_hw_control_set(struct phy_device *phydev, u8 index,
|
|
|
+- unsigned long rules)
|
|
|
+-{
|
|
|
+- u16 reg, offload_trigger = 0;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_CTRL(index);
|
|
|
+-
|
|
|
+- ret = qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- ret = qca808x_led_hw_control_enable(phydev, index);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
+- QCA808X_LED_PATTERN_MASK,
|
|
|
+- offload_trigger);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bool qca808x_led_hw_control_status(struct phy_device *phydev, u8 index)
|
|
|
+-{
|
|
|
+- u16 reg;
|
|
|
+- int val;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return false;
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
+-
|
|
|
+- val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
|
|
|
+-
|
|
|
+- return !(val & QCA808X_LED_FORCE_EN);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_hw_control_get(struct phy_device *phydev, u8 index,
|
|
|
+- unsigned long *rules)
|
|
|
+-{
|
|
|
+- u16 reg;
|
|
|
+- int val;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- /* Check if we have hw control enabled */
|
|
|
+- if (qca808x_led_hw_control_status(phydev, index))
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_CTRL(index);
|
|
|
+-
|
|
|
+- val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
|
|
|
+- if (val & QCA808X_LED_TX_BLINK)
|
|
|
+- set_bit(TRIGGER_NETDEV_TX, rules);
|
|
|
+- if (val & QCA808X_LED_RX_BLINK)
|
|
|
+- set_bit(TRIGGER_NETDEV_RX, rules);
|
|
|
+- if (val & QCA808X_LED_SPEED10_ON)
|
|
|
+- set_bit(TRIGGER_NETDEV_LINK_10, rules);
|
|
|
+- if (val & QCA808X_LED_SPEED100_ON)
|
|
|
+- set_bit(TRIGGER_NETDEV_LINK_100, rules);
|
|
|
+- if (val & QCA808X_LED_SPEED1000_ON)
|
|
|
+- set_bit(TRIGGER_NETDEV_LINK_1000, rules);
|
|
|
+- if (val & QCA808X_LED_SPEED2500_ON)
|
|
|
+- set_bit(TRIGGER_NETDEV_LINK_2500, rules);
|
|
|
+- if (val & QCA808X_LED_HALF_DUPLEX_ON)
|
|
|
+- set_bit(TRIGGER_NETDEV_HALF_DUPLEX, rules);
|
|
|
+- if (val & QCA808X_LED_FULL_DUPLEX_ON)
|
|
|
+- set_bit(TRIGGER_NETDEV_FULL_DUPLEX, rules);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_hw_control_reset(struct phy_device *phydev, u8 index)
|
|
|
+-{
|
|
|
+- u16 reg;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_CTRL(index);
|
|
|
+-
|
|
|
+- return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
+- QCA808X_LED_PATTERN_MASK);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_brightness_set(struct phy_device *phydev,
|
|
|
+- u8 index, enum led_brightness value)
|
|
|
+-{
|
|
|
+- u16 reg;
|
|
|
+- int ret;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- if (!value) {
|
|
|
+- ret = qca808x_led_hw_control_reset(phydev, index);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+- }
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
+-
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
+- QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
|
|
|
+- QCA808X_LED_FORCE_EN | value ? QCA808X_LED_FORCE_ON :
|
|
|
+- QCA808X_LED_FORCE_OFF);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_blink_set(struct phy_device *phydev, u8 index,
|
|
|
+- unsigned long *delay_on,
|
|
|
+- unsigned long *delay_off)
|
|
|
+-{
|
|
|
+- int ret;
|
|
|
+- u16 reg;
|
|
|
+-
|
|
|
+- if (index > 2)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
+-
|
|
|
+- /* Set blink to 50% off, 50% on at 4Hz by default */
|
|
|
+- ret = phy_modify_mmd(phydev, MDIO_MMD_AN, QCA808X_MMD7_LED_GLOBAL,
|
|
|
+- QCA808X_LED_BLINK_FREQ_MASK | QCA808X_LED_BLINK_DUTY_MASK,
|
|
|
+- QCA808X_LED_BLINK_FREQ_4HZ | QCA808X_LED_BLINK_DUTY_50_50);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* We use BLINK_1 for normal blinking */
|
|
|
+- ret = phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
+- QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
|
|
|
+- QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_BLINK_1);
|
|
|
+- if (ret)
|
|
|
+- return ret;
|
|
|
+-
|
|
|
+- /* We set blink to 4Hz, aka 250ms */
|
|
|
+- *delay_on = 250 / 2;
|
|
|
+- *delay_off = 250 / 2;
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int qca808x_led_polarity_set(struct phy_device *phydev, int index,
|
|
|
+- unsigned long modes)
|
|
|
+-{
|
|
|
+- struct at803x_priv *priv = phydev->priv;
|
|
|
+- bool active_low = false;
|
|
|
+- u32 mode;
|
|
|
+-
|
|
|
+- for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
|
|
|
+- switch (mode) {
|
|
|
+- case PHY_LED_ACTIVE_LOW:
|
|
|
+- active_low = true;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* PHY polarity is global and can't be set per LED.
|
|
|
+- * To detect this, check if last requested polarity mode
|
|
|
+- * match the new one.
|
|
|
+- */
|
|
|
+- if (priv->led_polarity_mode >= 0 &&
|
|
|
+- priv->led_polarity_mode != active_low) {
|
|
|
+- phydev_err(phydev, "PHY polarity is global. Mismatched polarity on different LED\n");
|
|
|
+- return -EINVAL;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Save the last PHY polarity mode */
|
|
|
+- priv->led_polarity_mode = active_low;
|
|
|
+-
|
|
|
+- return phy_modify_mmd(phydev, MDIO_MMD_AN,
|
|
|
+- QCA808X_MMD7_LED_POLARITY_CTRL,
|
|
|
+- QCA808X_LED_ACTIVE_HIGH,
|
|
|
+- active_low ? 0 : QCA808X_LED_ACTIVE_HIGH);
|
|
|
+-}
|
|
|
+-
|
|
|
+-static struct phy_driver at803x_driver[] = {
|
|
|
+-{
|
|
|
+- /* Qualcomm Atheros AR8035 */
|
|
|
+- PHY_ID_MATCH_EXACT(ATH8035_PHY_ID),
|
|
|
+- .name = "Qualcomm Atheros AR8035",
|
|
|
+- .flags = PHY_POLL_CABLE_TEST,
|
|
|
+- .probe = at8035_probe,
|
|
|
+- .config_aneg = at803x_config_aneg,
|
|
|
+- .config_init = at803x_config_init,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .set_wol = at803x_set_wol,
|
|
|
+- .get_wol = at803x_get_wol,
|
|
|
+- .suspend = at803x_suspend,
|
|
|
+- .resume = at803x_resume,
|
|
|
+- /* PHY_GBIT_FEATURES */
|
|
|
+- .read_status = at803x_read_status,
|
|
|
+- .config_intr = at803x_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+- .get_tunable = at803x_get_tunable,
|
|
|
+- .set_tunable = at803x_set_tunable,
|
|
|
+- .cable_test_start = at8031_cable_test_start,
|
|
|
+- .cable_test_get_status = at8031_cable_test_get_status,
|
|
|
+-}, {
|
|
|
+- /* Qualcomm Atheros AR8030 */
|
|
|
+- .phy_id = ATH8030_PHY_ID,
|
|
|
+- .name = "Qualcomm Atheros AR8030",
|
|
|
+- .phy_id_mask = AT8030_PHY_ID_MASK,
|
|
|
+- .probe = at8035_probe,
|
|
|
+- .config_init = at803x_config_init,
|
|
|
+- .link_change_notify = at803x_link_change_notify,
|
|
|
+- .set_wol = at803x_set_wol,
|
|
|
+- .get_wol = at803x_get_wol,
|
|
|
+- .suspend = at803x_suspend,
|
|
|
+- .resume = at803x_resume,
|
|
|
+- /* PHY_BASIC_FEATURES */
|
|
|
+- .config_intr = at803x_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+-}, {
|
|
|
+- /* Qualcomm Atheros AR8031/AR8033 */
|
|
|
+- PHY_ID_MATCH_EXACT(ATH8031_PHY_ID),
|
|
|
+- .name = "Qualcomm Atheros AR8031/AR8033",
|
|
|
+- .flags = PHY_POLL_CABLE_TEST,
|
|
|
+- .probe = at8031_probe,
|
|
|
+- .config_init = at8031_config_init,
|
|
|
+- .config_aneg = at803x_config_aneg,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .set_wol = at8031_set_wol,
|
|
|
+- .get_wol = at803x_get_wol,
|
|
|
+- .suspend = at803x_suspend,
|
|
|
+- .resume = at803x_resume,
|
|
|
+- .read_page = at803x_read_page,
|
|
|
+- .write_page = at803x_write_page,
|
|
|
+- .get_features = at803x_get_features,
|
|
|
+- .read_status = at8031_read_status,
|
|
|
+- .config_intr = at8031_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+- .get_tunable = at803x_get_tunable,
|
|
|
+- .set_tunable = at803x_set_tunable,
|
|
|
+- .cable_test_start = at8031_cable_test_start,
|
|
|
+- .cable_test_get_status = at8031_cable_test_get_status,
|
|
|
+-}, {
|
|
|
+- /* Qualcomm Atheros AR8032 */
|
|
|
+- PHY_ID_MATCH_EXACT(ATH8032_PHY_ID),
|
|
|
+- .name = "Qualcomm Atheros AR8032",
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .flags = PHY_POLL_CABLE_TEST,
|
|
|
+- .config_init = at803x_config_init,
|
|
|
+- .link_change_notify = at803x_link_change_notify,
|
|
|
+- .suspend = at803x_suspend,
|
|
|
+- .resume = at803x_resume,
|
|
|
+- /* PHY_BASIC_FEATURES */
|
|
|
+- .config_intr = at803x_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+- .cable_test_start = at803x_cable_test_start,
|
|
|
+- .cable_test_get_status = at8032_cable_test_get_status,
|
|
|
+-}, {
|
|
|
+- /* ATHEROS AR9331 */
|
|
|
+- PHY_ID_MATCH_EXACT(ATH9331_PHY_ID),
|
|
|
+- .name = "Qualcomm Atheros AR9331 built-in PHY",
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .suspend = at803x_suspend,
|
|
|
+- .resume = at803x_resume,
|
|
|
+- .flags = PHY_POLL_CABLE_TEST,
|
|
|
+- /* PHY_BASIC_FEATURES */
|
|
|
+- .config_intr = at803x_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+- .cable_test_start = at803x_cable_test_start,
|
|
|
+- .cable_test_get_status = at8032_cable_test_get_status,
|
|
|
+- .read_status = at803x_read_status,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .config_aneg = at803x_config_aneg,
|
|
|
+-}, {
|
|
|
+- /* Qualcomm Atheros QCA9561 */
|
|
|
+- PHY_ID_MATCH_EXACT(QCA9561_PHY_ID),
|
|
|
+- .name = "Qualcomm Atheros QCA9561 built-in PHY",
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .suspend = at803x_suspend,
|
|
|
+- .resume = at803x_resume,
|
|
|
+- .flags = PHY_POLL_CABLE_TEST,
|
|
|
+- /* PHY_BASIC_FEATURES */
|
|
|
+- .config_intr = at803x_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+- .cable_test_start = at803x_cable_test_start,
|
|
|
+- .cable_test_get_status = at8032_cable_test_get_status,
|
|
|
+- .read_status = at803x_read_status,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .config_aneg = at803x_config_aneg,
|
|
|
+-}, {
|
|
|
+- /* QCA8337 */
|
|
|
+- .phy_id = QCA8337_PHY_ID,
|
|
|
+- .phy_id_mask = QCA8K_PHY_ID_MASK,
|
|
|
+- .name = "Qualcomm Atheros 8337 internal PHY",
|
|
|
+- /* PHY_GBIT_FEATURES */
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .flags = PHY_IS_INTERNAL,
|
|
|
+- .config_init = qca83xx_config_init,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .get_sset_count = qca83xx_get_sset_count,
|
|
|
+- .get_strings = qca83xx_get_strings,
|
|
|
+- .get_stats = qca83xx_get_stats,
|
|
|
+- .suspend = qca8337_suspend,
|
|
|
+- .resume = qca83xx_resume,
|
|
|
+-}, {
|
|
|
+- /* QCA8327-A from switch QCA8327-AL1A */
|
|
|
+- .phy_id = QCA8327_A_PHY_ID,
|
|
|
+- .phy_id_mask = QCA8K_PHY_ID_MASK,
|
|
|
+- .name = "Qualcomm Atheros 8327-A internal PHY",
|
|
|
+- /* PHY_GBIT_FEATURES */
|
|
|
+- .link_change_notify = qca83xx_link_change_notify,
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .flags = PHY_IS_INTERNAL,
|
|
|
+- .config_init = qca8327_config_init,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .get_sset_count = qca83xx_get_sset_count,
|
|
|
+- .get_strings = qca83xx_get_strings,
|
|
|
+- .get_stats = qca83xx_get_stats,
|
|
|
+- .suspend = qca8327_suspend,
|
|
|
+- .resume = qca83xx_resume,
|
|
|
+-}, {
|
|
|
+- /* QCA8327-B from switch QCA8327-BL1A */
|
|
|
+- .phy_id = QCA8327_B_PHY_ID,
|
|
|
+- .phy_id_mask = QCA8K_PHY_ID_MASK,
|
|
|
+- .name = "Qualcomm Atheros 8327-B internal PHY",
|
|
|
+- /* PHY_GBIT_FEATURES */
|
|
|
+- .link_change_notify = qca83xx_link_change_notify,
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .flags = PHY_IS_INTERNAL,
|
|
|
+- .config_init = qca8327_config_init,
|
|
|
+- .soft_reset = genphy_soft_reset,
|
|
|
+- .get_sset_count = qca83xx_get_sset_count,
|
|
|
+- .get_strings = qca83xx_get_strings,
|
|
|
+- .get_stats = qca83xx_get_stats,
|
|
|
+- .suspend = qca8327_suspend,
|
|
|
+- .resume = qca83xx_resume,
|
|
|
+-}, {
|
|
|
+- /* Qualcomm QCA8081 */
|
|
|
+- PHY_ID_MATCH_EXACT(QCA8081_PHY_ID),
|
|
|
+- .name = "Qualcomm QCA8081",
|
|
|
+- .flags = PHY_POLL_CABLE_TEST,
|
|
|
+- .probe = at803x_probe,
|
|
|
+- .config_intr = at803x_config_intr,
|
|
|
+- .handle_interrupt = at803x_handle_interrupt,
|
|
|
+- .get_tunable = at803x_get_tunable,
|
|
|
+- .set_tunable = at803x_set_tunable,
|
|
|
+- .set_wol = at803x_set_wol,
|
|
|
+- .get_wol = at803x_get_wol,
|
|
|
+- .get_features = qca808x_get_features,
|
|
|
+- .config_aneg = qca808x_config_aneg,
|
|
|
+- .suspend = genphy_suspend,
|
|
|
+- .resume = genphy_resume,
|
|
|
+- .read_status = qca808x_read_status,
|
|
|
+- .config_init = qca808x_config_init,
|
|
|
+- .soft_reset = qca808x_soft_reset,
|
|
|
+- .cable_test_start = qca808x_cable_test_start,
|
|
|
+- .cable_test_get_status = qca808x_cable_test_get_status,
|
|
|
+- .link_change_notify = qca808x_link_change_notify,
|
|
|
+- .led_brightness_set = qca808x_led_brightness_set,
|
|
|
+- .led_blink_set = qca808x_led_blink_set,
|
|
|
+- .led_hw_is_supported = qca808x_led_hw_is_supported,
|
|
|
+- .led_hw_control_set = qca808x_led_hw_control_set,
|
|
|
+- .led_hw_control_get = qca808x_led_hw_control_get,
|
|
|
+- .led_polarity_set = qca808x_led_polarity_set,
|
|
|
+-}, };
|
|
|
+-
|
|
|
+-module_phy_driver(at803x_driver);
|
|
|
+-
|
|
|
+-static struct mdio_device_id __maybe_unused atheros_tbl[] = {
|
|
|
+- { ATH8030_PHY_ID, AT8030_PHY_ID_MASK },
|
|
|
+- { PHY_ID_MATCH_EXACT(ATH8031_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(ATH8032_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(ATH8035_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(ATH9331_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(QCA8337_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(QCA8327_A_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(QCA8327_B_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(QCA9561_PHY_ID) },
|
|
|
+- { PHY_ID_MATCH_EXACT(QCA8081_PHY_ID) },
|
|
|
+- { }
|
|
|
+-};
|
|
|
+-
|
|
|
+-MODULE_DEVICE_TABLE(mdio, atheros_tbl);
|
|
|
+--- /dev/null
|
|
|
++++ b/drivers/net/phy/qcom/at803x.c
|
|
|
+@@ -0,0 +1,2759 @@
|
|
|
++// SPDX-License-Identifier: GPL-2.0+
|
|
|
++/*
|
|
|
++ * drivers/net/phy/at803x.c
|
|
|
++ *
|
|
|
++ * Driver for Qualcomm Atheros AR803x PHY
|
|
|
++ *
|
|
|
++ * Author: Matus Ujhelyi <[email protected]>
|
|
|
++ */
|
|
|
++
|
|
|
++#include <linux/phy.h>
|
|
|
++#include <linux/module.h>
|
|
|
++#include <linux/string.h>
|
|
|
++#include <linux/netdevice.h>
|
|
|
++#include <linux/etherdevice.h>
|
|
|
++#include <linux/ethtool_netlink.h>
|
|
|
++#include <linux/bitfield.h>
|
|
|
++#include <linux/regulator/of_regulator.h>
|
|
|
++#include <linux/regulator/driver.h>
|
|
|
++#include <linux/regulator/consumer.h>
|
|
|
++#include <linux/of.h>
|
|
|
++#include <linux/phylink.h>
|
|
|
++#include <linux/sfp.h>
|
|
|
++#include <dt-bindings/net/qca-ar803x.h>
|
|
|
++
|
|
|
++#define AT803X_SPECIFIC_FUNCTION_CONTROL 0x10
|
|
|
++#define AT803X_SFC_ASSERT_CRS BIT(11)
|
|
|
++#define AT803X_SFC_FORCE_LINK BIT(10)
|
|
|
++#define AT803X_SFC_MDI_CROSSOVER_MODE_M GENMASK(6, 5)
|
|
|
++#define AT803X_SFC_AUTOMATIC_CROSSOVER 0x3
|
|
|
++#define AT803X_SFC_MANUAL_MDIX 0x1
|
|
|
++#define AT803X_SFC_MANUAL_MDI 0x0
|
|
|
++#define AT803X_SFC_SQE_TEST BIT(2)
|
|
|
++#define AT803X_SFC_POLARITY_REVERSAL BIT(1)
|
|
|
++#define AT803X_SFC_DISABLE_JABBER BIT(0)
|
|
|
++
|
|
|
++#define AT803X_SPECIFIC_STATUS 0x11
|
|
|
++#define AT803X_SS_SPEED_MASK GENMASK(15, 14)
|
|
|
++#define AT803X_SS_SPEED_1000 2
|
|
|
++#define AT803X_SS_SPEED_100 1
|
|
|
++#define AT803X_SS_SPEED_10 0
|
|
|
++#define AT803X_SS_DUPLEX BIT(13)
|
|
|
++#define AT803X_SS_SPEED_DUPLEX_RESOLVED BIT(11)
|
|
|
++#define AT803X_SS_MDIX BIT(6)
|
|
|
++
|
|
|
++#define QCA808X_SS_SPEED_MASK GENMASK(9, 7)
|
|
|
++#define QCA808X_SS_SPEED_2500 4
|
|
|
++
|
|
|
++#define AT803X_INTR_ENABLE 0x12
|
|
|
++#define AT803X_INTR_ENABLE_AUTONEG_ERR BIT(15)
|
|
|
++#define AT803X_INTR_ENABLE_SPEED_CHANGED BIT(14)
|
|
|
++#define AT803X_INTR_ENABLE_DUPLEX_CHANGED BIT(13)
|
|
|
++#define AT803X_INTR_ENABLE_PAGE_RECEIVED BIT(12)
|
|
|
++#define AT803X_INTR_ENABLE_LINK_FAIL BIT(11)
|
|
|
++#define AT803X_INTR_ENABLE_LINK_SUCCESS BIT(10)
|
|
|
++#define AT803X_INTR_ENABLE_LINK_FAIL_BX BIT(8)
|
|
|
++#define AT803X_INTR_ENABLE_LINK_SUCCESS_BX BIT(7)
|
|
|
++#define AT803X_INTR_ENABLE_WIRESPEED_DOWNGRADE BIT(5)
|
|
|
++#define AT803X_INTR_ENABLE_POLARITY_CHANGED BIT(1)
|
|
|
++#define AT803X_INTR_ENABLE_WOL BIT(0)
|
|
|
++
|
|
|
++#define AT803X_INTR_STATUS 0x13
|
|
|
++
|
|
|
++#define AT803X_SMART_SPEED 0x14
|
|
|
++#define AT803X_SMART_SPEED_ENABLE BIT(5)
|
|
|
++#define AT803X_SMART_SPEED_RETRY_LIMIT_MASK GENMASK(4, 2)
|
|
|
++#define AT803X_SMART_SPEED_BYPASS_TIMER BIT(1)
|
|
|
++#define AT803X_CDT 0x16
|
|
|
++#define AT803X_CDT_MDI_PAIR_MASK GENMASK(9, 8)
|
|
|
++#define AT803X_CDT_ENABLE_TEST BIT(0)
|
|
|
++#define AT803X_CDT_STATUS 0x1c
|
|
|
++#define AT803X_CDT_STATUS_STAT_NORMAL 0
|
|
|
++#define AT803X_CDT_STATUS_STAT_SHORT 1
|
|
|
++#define AT803X_CDT_STATUS_STAT_OPEN 2
|
|
|
++#define AT803X_CDT_STATUS_STAT_FAIL 3
|
|
|
++#define AT803X_CDT_STATUS_STAT_MASK GENMASK(9, 8)
|
|
|
++#define AT803X_CDT_STATUS_DELTA_TIME_MASK GENMASK(7, 0)
|
|
|
++#define AT803X_LED_CONTROL 0x18
|
|
|
++
|
|
|
++#define AT803X_PHY_MMD3_WOL_CTRL 0x8012
|
|
|
++#define AT803X_WOL_EN BIT(5)
|
|
|
++#define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C
|
|
|
++#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B
|
|
|
++#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A
|
|
|
++#define AT803X_REG_CHIP_CONFIG 0x1f
|
|
|
++#define AT803X_BT_BX_REG_SEL 0x8000
|
|
|
++
|
|
|
++#define AT803X_DEBUG_ADDR 0x1D
|
|
|
++#define AT803X_DEBUG_DATA 0x1E
|
|
|
++
|
|
|
++#define AT803X_MODE_CFG_MASK 0x0F
|
|
|
++#define AT803X_MODE_CFG_BASET_RGMII 0x00
|
|
|
++#define AT803X_MODE_CFG_BASET_SGMII 0x01
|
|
|
++#define AT803X_MODE_CFG_BX1000_RGMII_50OHM 0x02
|
|
|
++#define AT803X_MODE_CFG_BX1000_RGMII_75OHM 0x03
|
|
|
++#define AT803X_MODE_CFG_BX1000_CONV_50OHM 0x04
|
|
|
++#define AT803X_MODE_CFG_BX1000_CONV_75OHM 0x05
|
|
|
++#define AT803X_MODE_CFG_FX100_RGMII_50OHM 0x06
|
|
|
++#define AT803X_MODE_CFG_FX100_CONV_50OHM 0x07
|
|
|
++#define AT803X_MODE_CFG_RGMII_AUTO_MDET 0x0B
|
|
|
++#define AT803X_MODE_CFG_FX100_RGMII_75OHM 0x0E
|
|
|
++#define AT803X_MODE_CFG_FX100_CONV_75OHM 0x0F
|
|
|
++
|
|
|
++#define AT803X_PSSR 0x11 /*PHY-Specific Status Register*/
|
|
|
++#define AT803X_PSSR_MR_AN_COMPLETE 0x0200
|
|
|
++
|
|
|
++#define AT803X_DEBUG_ANALOG_TEST_CTRL 0x00
|
|
|
++#define QCA8327_DEBUG_MANU_CTRL_EN BIT(2)
|
|
|
++#define QCA8337_DEBUG_MANU_CTRL_EN GENMASK(3, 2)
|
|
|
++#define AT803X_DEBUG_RX_CLK_DLY_EN BIT(15)
|
|
|
++
|
|
|
++#define AT803X_DEBUG_SYSTEM_CTRL_MODE 0x05
|
|
|
++#define AT803X_DEBUG_TX_CLK_DLY_EN BIT(8)
|
|
|
++
|
|
|
++#define AT803X_DEBUG_REG_HIB_CTRL 0x0b
|
|
|
++#define AT803X_DEBUG_HIB_CTRL_SEL_RST_80U BIT(10)
|
|
|
++#define AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE BIT(13)
|
|
|
++#define AT803X_DEBUG_HIB_CTRL_PS_HIB_EN BIT(15)
|
|
|
++
|
|
|
++#define AT803X_DEBUG_REG_3C 0x3C
|
|
|
++
|
|
|
++#define AT803X_DEBUG_REG_GREEN 0x3D
|
|
|
++#define AT803X_DEBUG_GATE_CLK_IN1000 BIT(6)
|
|
|
++
|
|
|
++#define AT803X_DEBUG_REG_1F 0x1F
|
|
|
++#define AT803X_DEBUG_PLL_ON BIT(2)
|
|
|
++#define AT803X_DEBUG_RGMII_1V8 BIT(3)
|
|
|
++
|
|
|
++#define MDIO_AZ_DEBUG 0x800D
|
|
|
++
|
|
|
++/* AT803x supports either the XTAL input pad, an internal PLL or the
|
|
|
++ * DSP as clock reference for the clock output pad. The XTAL reference
|
|
|
++ * is only used for 25 MHz output, all other frequencies need the PLL.
|
|
|
++ * The DSP as a clock reference is used in synchronous ethernet
|
|
|
++ * applications.
|
|
|
++ *
|
|
|
++ * By default the PLL is only enabled if there is a link. Otherwise
|
|
|
++ * the PHY will go into low power state and disabled the PLL. You can
|
|
|
++ * set the PLL_ON bit (see debug register 0x1f) to keep the PLL always
|
|
|
++ * enabled.
|
|
|
++ */
|
|
|
++#define AT803X_MMD7_CLK25M 0x8016
|
|
|
++#define AT803X_CLK_OUT_MASK GENMASK(4, 2)
|
|
|
++#define AT803X_CLK_OUT_25MHZ_XTAL 0
|
|
|
++#define AT803X_CLK_OUT_25MHZ_DSP 1
|
|
|
++#define AT803X_CLK_OUT_50MHZ_PLL 2
|
|
|
++#define AT803X_CLK_OUT_50MHZ_DSP 3
|
|
|
++#define AT803X_CLK_OUT_62_5MHZ_PLL 4
|
|
|
++#define AT803X_CLK_OUT_62_5MHZ_DSP 5
|
|
|
++#define AT803X_CLK_OUT_125MHZ_PLL 6
|
|
|
++#define AT803X_CLK_OUT_125MHZ_DSP 7
|
|
|
++
|
|
|
++/* The AR8035 has another mask which is compatible with the AR8031/AR8033 mask
|
|
|
++ * but doesn't support choosing between XTAL/PLL and DSP.
|
|
|
++ */
|
|
|
++#define AT8035_CLK_OUT_MASK GENMASK(4, 3)
|
|
|
++
|
|
|
++#define AT803X_CLK_OUT_STRENGTH_MASK GENMASK(8, 7)
|
|
|
++#define AT803X_CLK_OUT_STRENGTH_FULL 0
|
|
|
++#define AT803X_CLK_OUT_STRENGTH_HALF 1
|
|
|
++#define AT803X_CLK_OUT_STRENGTH_QUARTER 2
|
|
|
++
|
|
|
++#define AT803X_DEFAULT_DOWNSHIFT 5
|
|
|
++#define AT803X_MIN_DOWNSHIFT 2
|
|
|
++#define AT803X_MAX_DOWNSHIFT 9
|
|
|
++
|
|
|
++#define AT803X_MMD3_SMARTEEE_CTL1 0x805b
|
|
|
++#define AT803X_MMD3_SMARTEEE_CTL2 0x805c
|
|
|
++#define AT803X_MMD3_SMARTEEE_CTL3 0x805d
|
|
|
++#define AT803X_MMD3_SMARTEEE_CTL3_LPI_EN BIT(8)
|
|
|
++
|
|
|
++#define ATH9331_PHY_ID 0x004dd041
|
|
|
++#define ATH8030_PHY_ID 0x004dd076
|
|
|
++#define ATH8031_PHY_ID 0x004dd074
|
|
|
++#define ATH8032_PHY_ID 0x004dd023
|
|
|
++#define ATH8035_PHY_ID 0x004dd072
|
|
|
++#define AT8030_PHY_ID_MASK 0xffffffef
|
|
|
++
|
|
|
++#define QCA8081_PHY_ID 0x004dd101
|
|
|
++
|
|
|
++#define QCA8327_A_PHY_ID 0x004dd033
|
|
|
++#define QCA8327_B_PHY_ID 0x004dd034
|
|
|
++#define QCA8337_PHY_ID 0x004dd036
|
|
|
++#define QCA9561_PHY_ID 0x004dd042
|
|
|
++#define QCA8K_PHY_ID_MASK 0xffffffff
|
|
|
++
|
|
|
++#define QCA8K_DEVFLAGS_REVISION_MASK GENMASK(2, 0)
|
|
|
++
|
|
|
++#define AT803X_PAGE_FIBER 0
|
|
|
++#define AT803X_PAGE_COPPER 1
|
|
|
++
|
|
|
++/* don't turn off internal PLL */
|
|
|
++#define AT803X_KEEP_PLL_ENABLED BIT(0)
|
|
|
++#define AT803X_DISABLE_SMARTEEE BIT(1)
|
|
|
++
|
|
|
++/* disable hibernation mode */
|
|
|
++#define AT803X_DISABLE_HIBERNATION_MODE BIT(2)
|
|
|
++
|
|
|
++/* ADC threshold */
|
|
|
++#define QCA808X_PHY_DEBUG_ADC_THRESHOLD 0x2c80
|
|
|
++#define QCA808X_ADC_THRESHOLD_MASK GENMASK(7, 0)
|
|
|
++#define QCA808X_ADC_THRESHOLD_80MV 0
|
|
|
++#define QCA808X_ADC_THRESHOLD_100MV 0xf0
|
|
|
++#define QCA808X_ADC_THRESHOLD_200MV 0x0f
|
|
|
++#define QCA808X_ADC_THRESHOLD_300MV 0xff
|
|
|
++
|
|
|
++/* CLD control */
|
|
|
++#define QCA808X_PHY_MMD3_ADDR_CLD_CTRL7 0x8007
|
|
|
++#define QCA808X_8023AZ_AFE_CTRL_MASK GENMASK(8, 4)
|
|
|
++#define QCA808X_8023AZ_AFE_EN 0x90
|
|
|
++
|
|
|
++/* AZ control */
|
|
|
++#define QCA808X_PHY_MMD3_AZ_TRAINING_CTRL 0x8008
|
|
|
++#define QCA808X_MMD3_AZ_TRAINING_VAL 0x1c32
|
|
|
++
|
|
|
++#define QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB 0x8014
|
|
|
++#define QCA808X_MSE_THRESHOLD_20DB_VALUE 0x529
|
|
|
++
|
|
|
++#define QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB 0x800E
|
|
|
++#define QCA808X_MSE_THRESHOLD_17DB_VALUE 0x341
|
|
|
++
|
|
|
++#define QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB 0x801E
|
|
|
++#define QCA808X_MSE_THRESHOLD_27DB_VALUE 0x419
|
|
|
++
|
|
|
++#define QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB 0x8020
|
|
|
++#define QCA808X_MSE_THRESHOLD_28DB_VALUE 0x341
|
|
|
++
|
|
|
++#define QCA808X_PHY_MMD7_TOP_OPTION1 0x901c
|
|
|
++#define QCA808X_TOP_OPTION1_DATA 0x0
|
|
|
++
|
|
|
++#define QCA808X_PHY_MMD3_DEBUG_1 0xa100
|
|
|
++#define QCA808X_MMD3_DEBUG_1_VALUE 0x9203
|
|
|
++#define QCA808X_PHY_MMD3_DEBUG_2 0xa101
|
|
|
++#define QCA808X_MMD3_DEBUG_2_VALUE 0x48ad
|
|
|
++#define QCA808X_PHY_MMD3_DEBUG_3 0xa103
|
|
|
++#define QCA808X_MMD3_DEBUG_3_VALUE 0x1698
|
|
|
++#define QCA808X_PHY_MMD3_DEBUG_4 0xa105
|
|
|
++#define QCA808X_MMD3_DEBUG_4_VALUE 0x8001
|
|
|
++#define QCA808X_PHY_MMD3_DEBUG_5 0xa106
|
|
|
++#define QCA808X_MMD3_DEBUG_5_VALUE 0x1111
|
|
|
++#define QCA808X_PHY_MMD3_DEBUG_6 0xa011
|
|
|
++#define QCA808X_MMD3_DEBUG_6_VALUE 0x5f85
|
|
|
++
|
|
|
++/* master/slave seed config */
|
|
|
++#define QCA808X_PHY_DEBUG_LOCAL_SEED 9
|
|
|
++#define QCA808X_MASTER_SLAVE_SEED_ENABLE BIT(1)
|
|
|
++#define QCA808X_MASTER_SLAVE_SEED_CFG GENMASK(12, 2)
|
|
|
++#define QCA808X_MASTER_SLAVE_SEED_RANGE 0x32
|
|
|
++
|
|
|
++/* Hibernation yields lower power consumpiton in contrast with normal operation mode.
|
|
|
++ * when the copper cable is unplugged, the PHY enters into hibernation mode in about 10s.
|
|
|
++ */
|
|
|
++#define QCA808X_DBG_AN_TEST 0xb
|
|
|
++#define QCA808X_HIBERNATION_EN BIT(15)
|
|
|
++
|
|
|
++#define QCA808X_CDT_ENABLE_TEST BIT(15)
|
|
|
++#define QCA808X_CDT_INTER_CHECK_DIS BIT(13)
|
|
|
++#define QCA808X_CDT_STATUS BIT(11)
|
|
|
++#define QCA808X_CDT_LENGTH_UNIT BIT(10)
|
|
|
++
|
|
|
++#define QCA808X_MMD3_CDT_STATUS 0x8064
|
|
|
++#define QCA808X_MMD3_CDT_DIAG_PAIR_A 0x8065
|
|
|
++#define QCA808X_MMD3_CDT_DIAG_PAIR_B 0x8066
|
|
|
++#define QCA808X_MMD3_CDT_DIAG_PAIR_C 0x8067
|
|
|
++#define QCA808X_MMD3_CDT_DIAG_PAIR_D 0x8068
|
|
|
++#define QCA808X_CDT_DIAG_LENGTH_SAME_SHORT GENMASK(15, 8)
|
|
|
++#define QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT GENMASK(7, 0)
|
|
|
++
|
|
|
++#define QCA808X_CDT_CODE_PAIR_A GENMASK(15, 12)
|
|
|
++#define QCA808X_CDT_CODE_PAIR_B GENMASK(11, 8)
|
|
|
++#define QCA808X_CDT_CODE_PAIR_C GENMASK(7, 4)
|
|
|
++#define QCA808X_CDT_CODE_PAIR_D GENMASK(3, 0)
|
|
|
++
|
|
|
++#define QCA808X_CDT_STATUS_STAT_TYPE GENMASK(1, 0)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_FAIL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 0)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_NORMAL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 1)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_SAME_OPEN FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 2)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_SAME_SHORT FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 3)
|
|
|
++
|
|
|
++#define QCA808X_CDT_STATUS_STAT_MDI GENMASK(3, 2)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_MDI1 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 1)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_MDI2 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 2)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_MDI3 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 3)
|
|
|
++
|
|
|
++/* NORMAL are MDI with type set to 0 */
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI1
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
|
|
|
++ QCA808X_CDT_STATUS_STAT_MDI1)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
|
|
|
++ QCA808X_CDT_STATUS_STAT_MDI1)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI2
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
|
|
|
++ QCA808X_CDT_STATUS_STAT_MDI2)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
|
|
|
++ QCA808X_CDT_STATUS_STAT_MDI2)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI3
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
|
|
|
++ QCA808X_CDT_STATUS_STAT_MDI3)
|
|
|
++#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
|
|
|
++ QCA808X_CDT_STATUS_STAT_MDI3)
|
|
|
++
|
|
|
++/* Added for reference of existence but should be handled by wait_for_completion already */
|
|
|
++#define QCA808X_CDT_STATUS_STAT_BUSY (BIT(1) | BIT(3))
|
|
|
++
|
|
|
++#define QCA808X_MMD7_LED_GLOBAL 0x8073
|
|
|
++#define QCA808X_LED_BLINK_1 GENMASK(11, 6)
|
|
|
++#define QCA808X_LED_BLINK_2 GENMASK(5, 0)
|
|
|
++/* Values are the same for both BLINK_1 and BLINK_2 */
|
|
|
++#define QCA808X_LED_BLINK_FREQ_MASK GENMASK(5, 3)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_2HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x0)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_4HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x1)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_8HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x2)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_16HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x3)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_32HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x4)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_64HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x5)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_128HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x6)
|
|
|
++#define QCA808X_LED_BLINK_FREQ_256HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x7)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_MASK GENMASK(2, 0)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_50_50 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x0)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_75_25 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x1)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_25_75 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x2)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_33_67 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x3)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_67_33 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x4)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_17_83 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x5)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_83_17 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x6)
|
|
|
++#define QCA808X_LED_BLINK_DUTY_8_92 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x7)
|
|
|
++
|
|
|
++#define QCA808X_MMD7_LED2_CTRL 0x8074
|
|
|
++#define QCA808X_MMD7_LED2_FORCE_CTRL 0x8075
|
|
|
++#define QCA808X_MMD7_LED1_CTRL 0x8076
|
|
|
++#define QCA808X_MMD7_LED1_FORCE_CTRL 0x8077
|
|
|
++#define QCA808X_MMD7_LED0_CTRL 0x8078
|
|
|
++#define QCA808X_MMD7_LED_CTRL(x) (0x8078 - ((x) * 2))
|
|
|
++
|
|
|
++/* LED hw control pattern is the same for every LED */
|
|
|
++#define QCA808X_LED_PATTERN_MASK GENMASK(15, 0)
|
|
|
++#define QCA808X_LED_SPEED2500_ON BIT(15)
|
|
|
++#define QCA808X_LED_SPEED2500_BLINK BIT(14)
|
|
|
++/* Follow blink trigger even if duplex or speed condition doesn't match */
|
|
|
++#define QCA808X_LED_BLINK_CHECK_BYPASS BIT(13)
|
|
|
++#define QCA808X_LED_FULL_DUPLEX_ON BIT(12)
|
|
|
++#define QCA808X_LED_HALF_DUPLEX_ON BIT(11)
|
|
|
++#define QCA808X_LED_TX_BLINK BIT(10)
|
|
|
++#define QCA808X_LED_RX_BLINK BIT(9)
|
|
|
++#define QCA808X_LED_TX_ON_10MS BIT(8)
|
|
|
++#define QCA808X_LED_RX_ON_10MS BIT(7)
|
|
|
++#define QCA808X_LED_SPEED1000_ON BIT(6)
|
|
|
++#define QCA808X_LED_SPEED100_ON BIT(5)
|
|
|
++#define QCA808X_LED_SPEED10_ON BIT(4)
|
|
|
++#define QCA808X_LED_COLLISION_BLINK BIT(3)
|
|
|
++#define QCA808X_LED_SPEED1000_BLINK BIT(2)
|
|
|
++#define QCA808X_LED_SPEED100_BLINK BIT(1)
|
|
|
++#define QCA808X_LED_SPEED10_BLINK BIT(0)
|
|
|
++
|
|
|
++#define QCA808X_MMD7_LED0_FORCE_CTRL 0x8079
|
|
|
++#define QCA808X_MMD7_LED_FORCE_CTRL(x) (0x8079 - ((x) * 2))
|
|
|
++
|
|
|
++/* LED force ctrl is the same for every LED
|
|
|
++ * No documentation exist for this, not even internal one
|
|
|
++ * with NDA as QCOM gives only info about configuring
|
|
|
++ * hw control pattern rules and doesn't indicate any way
|
|
|
++ * to force the LED to specific mode.
|
|
|
++ * These define comes from reverse and testing and maybe
|
|
|
++ * lack of some info or some info are not entirely correct.
|
|
|
++ * For the basic LED control and hw control these finding
|
|
|
++ * are enough to support LED control in all the required APIs.
|
|
|
++ *
|
|
|
++ * On doing some comparison with implementation with qca807x,
|
|
|
++ * it was found that it's 1:1 equal to it and confirms all the
|
|
|
++ * reverse done. It was also found further specification with the
|
|
|
++ * force mode and the blink modes.
|
|
|
++ */
|
|
|
++#define QCA808X_LED_FORCE_EN BIT(15)
|
|
|
++#define QCA808X_LED_FORCE_MODE_MASK GENMASK(14, 13)
|
|
|
++#define QCA808X_LED_FORCE_BLINK_1 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x3)
|
|
|
++#define QCA808X_LED_FORCE_BLINK_2 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x2)
|
|
|
++#define QCA808X_LED_FORCE_ON FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x1)
|
|
|
++#define QCA808X_LED_FORCE_OFF FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x0)
|
|
|
++
|
|
|
++#define QCA808X_MMD7_LED_POLARITY_CTRL 0x901a
|
|
|
++/* QSDK sets by default 0x46 to this reg that sets BIT 6 for
|
|
|
++ * LED to active high. It's not clear what BIT 3 and BIT 4 does.
|
|
|
++ */
|
|
|
++#define QCA808X_LED_ACTIVE_HIGH BIT(6)
|
|
|
++
|
|
|
++/* QCA808X 1G chip type */
|
|
|
++#define QCA808X_PHY_MMD7_CHIP_TYPE 0x901d
|
|
|
++#define QCA808X_PHY_CHIP_TYPE_1G BIT(0)
|
|
|
++
|
|
|
++#define QCA8081_PHY_SERDES_MMD1_FIFO_CTRL 0x9072
|
|
|
++#define QCA8081_PHY_FIFO_RSTN BIT(11)
|
|
|
++
|
|
|
++MODULE_DESCRIPTION("Qualcomm Atheros AR803x and QCA808X PHY driver");
|
|
|
++MODULE_AUTHOR("Matus Ujhelyi");
|
|
|
++MODULE_LICENSE("GPL");
|
|
|
++
|
|
|
++enum stat_access_type {
|
|
|
++ PHY,
|
|
|
++ MMD
|
|
|
++};
|
|
|
++
|
|
|
++struct at803x_hw_stat {
|
|
|
++ const char *string;
|
|
|
++ u8 reg;
|
|
|
++ u32 mask;
|
|
|
++ enum stat_access_type access_type;
|
|
|
++};
|
|
|
++
|
|
|
++static struct at803x_hw_stat qca83xx_hw_stats[] = {
|
|
|
++ { "phy_idle_errors", 0xa, GENMASK(7, 0), PHY},
|
|
|
++ { "phy_receive_errors", 0x15, GENMASK(15, 0), PHY},
|
|
|
++ { "eee_wake_errors", 0x16, GENMASK(15, 0), MMD},
|
|
|
++};
|
|
|
++
|
|
|
++struct at803x_ss_mask {
|
|
|
++ u16 speed_mask;
|
|
|
++ u8 speed_shift;
|
|
|
++};
|
|
|
++
|
|
|
++struct at803x_priv {
|
|
|
++ int flags;
|
|
|
++ u16 clk_25m_reg;
|
|
|
++ u16 clk_25m_mask;
|
|
|
++ u8 smarteee_lpi_tw_1g;
|
|
|
++ u8 smarteee_lpi_tw_100m;
|
|
|
++ bool is_fiber;
|
|
|
++ bool is_1000basex;
|
|
|
++ struct regulator_dev *vddio_rdev;
|
|
|
++ struct regulator_dev *vddh_rdev;
|
|
|
++ u64 stats[ARRAY_SIZE(qca83xx_hw_stats)];
|
|
|
++ int led_polarity_mode;
|
|
|
++};
|
|
|
++
|
|
|
++struct at803x_context {
|
|
|
++ u16 bmcr;
|
|
|
++ u16 advertise;
|
|
|
++ u16 control1000;
|
|
|
++ u16 int_enable;
|
|
|
++ u16 smart_speed;
|
|
|
++ u16 led_control;
|
|
|
++};
|
|
|
++
|
|
|
++static int at803x_debug_reg_write(struct phy_device *phydev, u16 reg, u16 data)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return phy_write(phydev, AT803X_DEBUG_DATA, data);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_debug_reg_read(struct phy_device *phydev, u16 reg)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return phy_read(phydev, AT803X_DEBUG_DATA);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
|
|
|
++ u16 clear, u16 set)
|
|
|
++{
|
|
|
++ u16 val;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = at803x_debug_reg_read(phydev, reg);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ val = ret & 0xffff;
|
|
|
++ val &= ~clear;
|
|
|
++ val |= set;
|
|
|
++
|
|
|
++ return phy_write(phydev, AT803X_DEBUG_DATA, val);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_write_page(struct phy_device *phydev, int page)
|
|
|
++{
|
|
|
++ int mask;
|
|
|
++ int set;
|
|
|
++
|
|
|
++ if (page == AT803X_PAGE_COPPER) {
|
|
|
++ set = AT803X_BT_BX_REG_SEL;
|
|
|
++ mask = 0;
|
|
|
++ } else {
|
|
|
++ set = 0;
|
|
|
++ mask = AT803X_BT_BX_REG_SEL;
|
|
|
++ }
|
|
|
++
|
|
|
++ return __phy_modify(phydev, AT803X_REG_CHIP_CONFIG, mask, set);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_read_page(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ccr = __phy_read(phydev, AT803X_REG_CHIP_CONFIG);
|
|
|
++
|
|
|
++ if (ccr < 0)
|
|
|
++ return ccr;
|
|
|
++
|
|
|
++ if (ccr & AT803X_BT_BX_REG_SEL)
|
|
|
++ return AT803X_PAGE_COPPER;
|
|
|
++
|
|
|
++ return AT803X_PAGE_FIBER;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_enable_rx_delay(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0,
|
|
|
++ AT803X_DEBUG_RX_CLK_DLY_EN);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_enable_tx_delay(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0,
|
|
|
++ AT803X_DEBUG_TX_CLK_DLY_EN);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_disable_rx_delay(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
++ AT803X_DEBUG_RX_CLK_DLY_EN, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_disable_tx_delay(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE,
|
|
|
++ AT803X_DEBUG_TX_CLK_DLY_EN, 0);
|
|
|
++}
|
|
|
++
|
|
|
++/* save relevant PHY registers to private copy */
|
|
|
++static void at803x_context_save(struct phy_device *phydev,
|
|
|
++ struct at803x_context *context)
|
|
|
++{
|
|
|
++ context->bmcr = phy_read(phydev, MII_BMCR);
|
|
|
++ context->advertise = phy_read(phydev, MII_ADVERTISE);
|
|
|
++ context->control1000 = phy_read(phydev, MII_CTRL1000);
|
|
|
++ context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
++ context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED);
|
|
|
++ context->led_control = phy_read(phydev, AT803X_LED_CONTROL);
|
|
|
++}
|
|
|
++
|
|
|
++/* restore relevant PHY registers from private copy */
|
|
|
++static void at803x_context_restore(struct phy_device *phydev,
|
|
|
++ const struct at803x_context *context)
|
|
|
++{
|
|
|
++ phy_write(phydev, MII_BMCR, context->bmcr);
|
|
|
++ phy_write(phydev, MII_ADVERTISE, context->advertise);
|
|
|
++ phy_write(phydev, MII_CTRL1000, context->control1000);
|
|
|
++ phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable);
|
|
|
++ phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed);
|
|
|
++ phy_write(phydev, AT803X_LED_CONTROL, context->led_control);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_set_wol(struct phy_device *phydev,
|
|
|
++ struct ethtool_wolinfo *wol)
|
|
|
++{
|
|
|
++ int ret, irq_enabled;
|
|
|
++
|
|
|
++ if (wol->wolopts & WAKE_MAGIC) {
|
|
|
++ struct net_device *ndev = phydev->attached_dev;
|
|
|
++ const u8 *mac;
|
|
|
++ unsigned int i;
|
|
|
++ static const unsigned int offsets[] = {
|
|
|
++ AT803X_LOC_MAC_ADDR_32_47_OFFSET,
|
|
|
++ AT803X_LOC_MAC_ADDR_16_31_OFFSET,
|
|
|
++ AT803X_LOC_MAC_ADDR_0_15_OFFSET,
|
|
|
++ };
|
|
|
++
|
|
|
++ if (!ndev)
|
|
|
++ return -ENODEV;
|
|
|
++
|
|
|
++ mac = (const u8 *)ndev->dev_addr;
|
|
|
++
|
|
|
++ if (!is_valid_ether_addr(mac))
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ for (i = 0; i < 3; i++)
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, offsets[i],
|
|
|
++ mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
|
|
|
++
|
|
|
++ /* Enable WOL interrupt */
|
|
|
++ ret = phy_modify(phydev, AT803X_INTR_ENABLE, 0, AT803X_INTR_ENABLE_WOL);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++ } else {
|
|
|
++ /* Disable WOL interrupt */
|
|
|
++ ret = phy_modify(phydev, AT803X_INTR_ENABLE, AT803X_INTR_ENABLE_WOL, 0);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Clear WOL status */
|
|
|
++ ret = phy_read(phydev, AT803X_INTR_STATUS);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* Check if there are other interrupts except for WOL triggered when PHY is
|
|
|
++ * in interrupt mode, only the interrupts enabled by AT803X_INTR_ENABLE can
|
|
|
++ * be passed up to the interrupt PIN.
|
|
|
++ */
|
|
|
++ irq_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
++ if (irq_enabled < 0)
|
|
|
++ return irq_enabled;
|
|
|
++
|
|
|
++ irq_enabled &= ~AT803X_INTR_ENABLE_WOL;
|
|
|
++ if (ret & irq_enabled && !phy_polling_mode(phydev))
|
|
|
++ phy_trigger_machine(phydev);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static void at803x_get_wol(struct phy_device *phydev,
|
|
|
++ struct ethtool_wolinfo *wol)
|
|
|
++{
|
|
|
++ int value;
|
|
|
++
|
|
|
++ wol->supported = WAKE_MAGIC;
|
|
|
++ wol->wolopts = 0;
|
|
|
++
|
|
|
++ value = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
++ if (value < 0)
|
|
|
++ return;
|
|
|
++
|
|
|
++ if (value & AT803X_INTR_ENABLE_WOL)
|
|
|
++ wol->wolopts |= WAKE_MAGIC;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca83xx_get_sset_count(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return ARRAY_SIZE(qca83xx_hw_stats);
|
|
|
++}
|
|
|
++
|
|
|
++static void qca83xx_get_strings(struct phy_device *phydev, u8 *data)
|
|
|
++{
|
|
|
++ int i;
|
|
|
++
|
|
|
++ for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++) {
|
|
|
++ strscpy(data + i * ETH_GSTRING_LEN,
|
|
|
++ qca83xx_hw_stats[i].string, ETH_GSTRING_LEN);
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static u64 qca83xx_get_stat(struct phy_device *phydev, int i)
|
|
|
++{
|
|
|
++ struct at803x_hw_stat stat = qca83xx_hw_stats[i];
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int val;
|
|
|
++ u64 ret;
|
|
|
++
|
|
|
++ if (stat.access_type == MMD)
|
|
|
++ val = phy_read_mmd(phydev, MDIO_MMD_PCS, stat.reg);
|
|
|
++ else
|
|
|
++ val = phy_read(phydev, stat.reg);
|
|
|
++
|
|
|
++ if (val < 0) {
|
|
|
++ ret = U64_MAX;
|
|
|
++ } else {
|
|
|
++ val = val & stat.mask;
|
|
|
++ priv->stats[i] += val;
|
|
|
++ ret = priv->stats[i];
|
|
|
++ }
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static void qca83xx_get_stats(struct phy_device *phydev,
|
|
|
++ struct ethtool_stats *stats, u64 *data)
|
|
|
++{
|
|
|
++ int i;
|
|
|
++
|
|
|
++ for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++)
|
|
|
++ data[i] = qca83xx_get_stat(phydev, i);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_suspend(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int value;
|
|
|
++ int wol_enabled;
|
|
|
++
|
|
|
++ value = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
++ wol_enabled = value & AT803X_INTR_ENABLE_WOL;
|
|
|
++
|
|
|
++ if (wol_enabled)
|
|
|
++ value = BMCR_ISOLATE;
|
|
|
++ else
|
|
|
++ value = BMCR_PDOWN;
|
|
|
++
|
|
|
++ phy_modify(phydev, MII_BMCR, 0, value);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_resume(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_parse_dt(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct device_node *node = phydev->mdio.dev.of_node;
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ u32 freq, strength, tw;
|
|
|
++ unsigned int sel;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ if (!IS_ENABLED(CONFIG_OF_MDIO))
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ if (of_property_read_bool(node, "qca,disable-smarteee"))
|
|
|
++ priv->flags |= AT803X_DISABLE_SMARTEEE;
|
|
|
++
|
|
|
++ if (of_property_read_bool(node, "qca,disable-hibernation-mode"))
|
|
|
++ priv->flags |= AT803X_DISABLE_HIBERNATION_MODE;
|
|
|
++
|
|
|
++ if (!of_property_read_u32(node, "qca,smarteee-tw-us-1g", &tw)) {
|
|
|
++ if (!tw || tw > 255) {
|
|
|
++ phydev_err(phydev, "invalid qca,smarteee-tw-us-1g\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++ priv->smarteee_lpi_tw_1g = tw;
|
|
|
++ }
|
|
|
++
|
|
|
++ if (!of_property_read_u32(node, "qca,smarteee-tw-us-100m", &tw)) {
|
|
|
++ if (!tw || tw > 255) {
|
|
|
++ phydev_err(phydev, "invalid qca,smarteee-tw-us-100m\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++ priv->smarteee_lpi_tw_100m = tw;
|
|
|
++ }
|
|
|
++
|
|
|
++ ret = of_property_read_u32(node, "qca,clk-out-frequency", &freq);
|
|
|
++ if (!ret) {
|
|
|
++ switch (freq) {
|
|
|
++ case 25000000:
|
|
|
++ sel = AT803X_CLK_OUT_25MHZ_XTAL;
|
|
|
++ break;
|
|
|
++ case 50000000:
|
|
|
++ sel = AT803X_CLK_OUT_50MHZ_PLL;
|
|
|
++ break;
|
|
|
++ case 62500000:
|
|
|
++ sel = AT803X_CLK_OUT_62_5MHZ_PLL;
|
|
|
++ break;
|
|
|
++ case 125000000:
|
|
|
++ sel = AT803X_CLK_OUT_125MHZ_PLL;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ phydev_err(phydev, "invalid qca,clk-out-frequency\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ priv->clk_25m_reg |= FIELD_PREP(AT803X_CLK_OUT_MASK, sel);
|
|
|
++ priv->clk_25m_mask |= AT803X_CLK_OUT_MASK;
|
|
|
++ }
|
|
|
++
|
|
|
++ ret = of_property_read_u32(node, "qca,clk-out-strength", &strength);
|
|
|
++ if (!ret) {
|
|
|
++ priv->clk_25m_mask |= AT803X_CLK_OUT_STRENGTH_MASK;
|
|
|
++ switch (strength) {
|
|
|
++ case AR803X_STRENGTH_FULL:
|
|
|
++ priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_FULL;
|
|
|
++ break;
|
|
|
++ case AR803X_STRENGTH_HALF:
|
|
|
++ priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_HALF;
|
|
|
++ break;
|
|
|
++ case AR803X_STRENGTH_QUARTER:
|
|
|
++ priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_QUARTER;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ phydev_err(phydev, "invalid qca,clk-out-strength\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_probe(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct device *dev = &phydev->mdio.dev;
|
|
|
++ struct at803x_priv *priv;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
|
|
|
++ if (!priv)
|
|
|
++ return -ENOMEM;
|
|
|
++
|
|
|
++ /* Init LED polarity mode to -1 */
|
|
|
++ priv->led_polarity_mode = -1;
|
|
|
++
|
|
|
++ phydev->priv = priv;
|
|
|
++
|
|
|
++ ret = at803x_parse_dt(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_get_features(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int err;
|
|
|
++
|
|
|
++ err = genphy_read_abilities(phydev);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ if (phydev->drv->phy_id != ATH8031_PHY_ID)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ /* AR8031/AR8033 have different status registers
|
|
|
++ * for copper and fiber operation. However, the
|
|
|
++ * extended status register is the same for both
|
|
|
++ * operation modes.
|
|
|
++ *
|
|
|
++ * As a result of that, ESTATUS_1000_XFULL is set
|
|
|
++ * to 1 even when operating in copper TP mode.
|
|
|
++ *
|
|
|
++ * Remove this mode from the supported link modes
|
|
|
++ * when not operating in 1000BaseX mode.
|
|
|
++ */
|
|
|
++ if (!priv->is_1000basex)
|
|
|
++ linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
|
|
|
++ phydev->supported);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_smarteee_config(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ u16 mask = 0, val = 0;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ if (priv->flags & AT803X_DISABLE_SMARTEEE)
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
++ AT803X_MMD3_SMARTEEE_CTL3,
|
|
|
++ AT803X_MMD3_SMARTEEE_CTL3_LPI_EN, 0);
|
|
|
++
|
|
|
++ if (priv->smarteee_lpi_tw_1g) {
|
|
|
++ mask |= 0xff00;
|
|
|
++ val |= priv->smarteee_lpi_tw_1g << 8;
|
|
|
++ }
|
|
|
++ if (priv->smarteee_lpi_tw_100m) {
|
|
|
++ mask |= 0x00ff;
|
|
|
++ val |= priv->smarteee_lpi_tw_100m;
|
|
|
++ }
|
|
|
++ if (!mask)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL1,
|
|
|
++ mask, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL3,
|
|
|
++ AT803X_MMD3_SMARTEEE_CTL3_LPI_EN,
|
|
|
++ AT803X_MMD3_SMARTEEE_CTL3_LPI_EN);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_clk_out_config(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++
|
|
|
++ if (!priv->clk_25m_mask)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_AN, AT803X_MMD7_CLK25M,
|
|
|
++ priv->clk_25m_mask, priv->clk_25m_reg);
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_pll_config(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++
|
|
|
++ /* The default after hardware reset is PLL OFF. After a soft reset, the
|
|
|
++ * values are retained.
|
|
|
++ */
|
|
|
++ if (priv->flags & AT803X_KEEP_PLL_ENABLED)
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
++ 0, AT803X_DEBUG_PLL_ON);
|
|
|
++ else
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
++ AT803X_DEBUG_PLL_ON, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_hibernation_mode_config(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++
|
|
|
++ /* The default after hardware reset is hibernation mode enabled. After
|
|
|
++ * software reset, the value is retained.
|
|
|
++ */
|
|
|
++ if (!(priv->flags & AT803X_DISABLE_HIBERNATION_MODE))
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
|
|
|
++ AT803X_DEBUG_HIB_CTRL_PS_HIB_EN, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_config_init(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ /* The RX and TX delay default is:
|
|
|
++ * after HW reset: RX delay enabled and TX delay disabled
|
|
|
++ * after SW reset: RX delay enabled, while TX delay retains the
|
|
|
++ * value before reset.
|
|
|
++ */
|
|
|
++ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
|
|
|
++ phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
|
|
|
++ ret = at803x_enable_rx_delay(phydev);
|
|
|
++ else
|
|
|
++ ret = at803x_disable_rx_delay(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
|
|
|
++ phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
|
|
|
++ ret = at803x_enable_tx_delay(phydev);
|
|
|
++ else
|
|
|
++ ret = at803x_disable_tx_delay(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at803x_smarteee_config(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at803x_clk_out_config(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at803x_hibernation_mode_config(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* Ar803x extended next page bit is enabled by default. Cisco
|
|
|
++ * multigig switches read this bit and attempt to negotiate 10Gbps
|
|
|
++ * rates even if the next page bit is disabled. This is incorrect
|
|
|
++ * behaviour but we still need to accommodate it. XNP is only needed
|
|
|
++ * for 10Gbps support, so disable XNP.
|
|
|
++ */
|
|
|
++ return phy_modify(phydev, MII_ADVERTISE, MDIO_AN_CTRL1_XNP, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_ack_interrupt(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int err;
|
|
|
++
|
|
|
++ err = phy_read(phydev, AT803X_INTR_STATUS);
|
|
|
++
|
|
|
++ return (err < 0) ? err : 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_config_intr(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int err;
|
|
|
++ int value;
|
|
|
++
|
|
|
++ value = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
++
|
|
|
++ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
|
|
|
++ /* Clear any pending interrupts */
|
|
|
++ err = at803x_ack_interrupt(phydev);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ value |= AT803X_INTR_ENABLE_AUTONEG_ERR;
|
|
|
++ value |= AT803X_INTR_ENABLE_SPEED_CHANGED;
|
|
|
++ value |= AT803X_INTR_ENABLE_DUPLEX_CHANGED;
|
|
|
++ value |= AT803X_INTR_ENABLE_LINK_FAIL;
|
|
|
++ value |= AT803X_INTR_ENABLE_LINK_SUCCESS;
|
|
|
++
|
|
|
++ err = phy_write(phydev, AT803X_INTR_ENABLE, value);
|
|
|
++ } else {
|
|
|
++ err = phy_write(phydev, AT803X_INTR_ENABLE, 0);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ /* Clear any pending interrupts */
|
|
|
++ err = at803x_ack_interrupt(phydev);
|
|
|
++ }
|
|
|
++
|
|
|
++ return err;
|
|
|
++}
|
|
|
++
|
|
|
++static irqreturn_t at803x_handle_interrupt(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int irq_status, int_enabled;
|
|
|
++
|
|
|
++ irq_status = phy_read(phydev, AT803X_INTR_STATUS);
|
|
|
++ if (irq_status < 0) {
|
|
|
++ phy_error(phydev);
|
|
|
++ return IRQ_NONE;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Read the current enabled interrupts */
|
|
|
++ int_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
|
|
|
++ if (int_enabled < 0) {
|
|
|
++ phy_error(phydev);
|
|
|
++ return IRQ_NONE;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* See if this was one of our enabled interrupts */
|
|
|
++ if (!(irq_status & int_enabled))
|
|
|
++ return IRQ_NONE;
|
|
|
++
|
|
|
++ phy_trigger_machine(phydev);
|
|
|
++
|
|
|
++ return IRQ_HANDLED;
|
|
|
++}
|
|
|
++
|
|
|
++static void at803x_link_change_notify(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ /*
|
|
|
++ * Conduct a hardware reset for AT8030 every time a link loss is
|
|
|
++ * signalled. This is necessary to circumvent a hardware bug that
|
|
|
++ * occurs when the cable is unplugged while TX packets are pending
|
|
|
++ * in the FIFO. In such cases, the FIFO enters an error mode it
|
|
|
++ * cannot recover from by software.
|
|
|
++ */
|
|
|
++ if (phydev->state == PHY_NOLINK && phydev->mdio.reset_gpio) {
|
|
|
++ struct at803x_context context;
|
|
|
++
|
|
|
++ at803x_context_save(phydev, &context);
|
|
|
++
|
|
|
++ phy_device_reset(phydev, 1);
|
|
|
++ usleep_range(1000, 2000);
|
|
|
++ phy_device_reset(phydev, 0);
|
|
|
++ usleep_range(1000, 2000);
|
|
|
++
|
|
|
++ at803x_context_restore(phydev, &context);
|
|
|
++
|
|
|
++ phydev_dbg(phydev, "%s(): phy was reset\n", __func__);
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_read_specific_status(struct phy_device *phydev,
|
|
|
++ struct at803x_ss_mask ss_mask)
|
|
|
++{
|
|
|
++ int ss;
|
|
|
++
|
|
|
++ /* Read the AT8035 PHY-Specific Status register, which indicates the
|
|
|
++ * speed and duplex that the PHY is actually using, irrespective of
|
|
|
++ * whether we are in autoneg mode or not.
|
|
|
++ */
|
|
|
++ ss = phy_read(phydev, AT803X_SPECIFIC_STATUS);
|
|
|
++ if (ss < 0)
|
|
|
++ return ss;
|
|
|
++
|
|
|
++ if (ss & AT803X_SS_SPEED_DUPLEX_RESOLVED) {
|
|
|
++ int sfc, speed;
|
|
|
++
|
|
|
++ sfc = phy_read(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL);
|
|
|
++ if (sfc < 0)
|
|
|
++ return sfc;
|
|
|
++
|
|
|
++ speed = ss & ss_mask.speed_mask;
|
|
|
++ speed >>= ss_mask.speed_shift;
|
|
|
++
|
|
|
++ switch (speed) {
|
|
|
++ case AT803X_SS_SPEED_10:
|
|
|
++ phydev->speed = SPEED_10;
|
|
|
++ break;
|
|
|
++ case AT803X_SS_SPEED_100:
|
|
|
++ phydev->speed = SPEED_100;
|
|
|
++ break;
|
|
|
++ case AT803X_SS_SPEED_1000:
|
|
|
++ phydev->speed = SPEED_1000;
|
|
|
++ break;
|
|
|
++ case QCA808X_SS_SPEED_2500:
|
|
|
++ phydev->speed = SPEED_2500;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++ if (ss & AT803X_SS_DUPLEX)
|
|
|
++ phydev->duplex = DUPLEX_FULL;
|
|
|
++ else
|
|
|
++ phydev->duplex = DUPLEX_HALF;
|
|
|
++
|
|
|
++ if (ss & AT803X_SS_MDIX)
|
|
|
++ phydev->mdix = ETH_TP_MDI_X;
|
|
|
++ else
|
|
|
++ phydev->mdix = ETH_TP_MDI;
|
|
|
++
|
|
|
++ switch (FIELD_GET(AT803X_SFC_MDI_CROSSOVER_MODE_M, sfc)) {
|
|
|
++ case AT803X_SFC_MANUAL_MDI:
|
|
|
++ phydev->mdix_ctrl = ETH_TP_MDI;
|
|
|
++ break;
|
|
|
++ case AT803X_SFC_MANUAL_MDIX:
|
|
|
++ phydev->mdix_ctrl = ETH_TP_MDI_X;
|
|
|
++ break;
|
|
|
++ case AT803X_SFC_AUTOMATIC_CROSSOVER:
|
|
|
++ phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_read_status(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_ss_mask ss_mask = { 0 };
|
|
|
++ int err, old_link = phydev->link;
|
|
|
++
|
|
|
++ /* Update the link, but return if there was an error */
|
|
|
++ err = genphy_update_link(phydev);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ /* why bother the PHY if nothing can have changed */
|
|
|
++ if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ phydev->speed = SPEED_UNKNOWN;
|
|
|
++ phydev->duplex = DUPLEX_UNKNOWN;
|
|
|
++ phydev->pause = 0;
|
|
|
++ phydev->asym_pause = 0;
|
|
|
++
|
|
|
++ err = genphy_read_lpa(phydev);
|
|
|
++ if (err < 0)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ ss_mask.speed_mask = AT803X_SS_SPEED_MASK;
|
|
|
++ ss_mask.speed_shift = __bf_shf(AT803X_SS_SPEED_MASK);
|
|
|
++ err = at803x_read_specific_status(phydev, ss_mask);
|
|
|
++ if (err < 0)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete)
|
|
|
++ phy_resolve_aneg_pause(phydev);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_config_mdix(struct phy_device *phydev, u8 ctrl)
|
|
|
++{
|
|
|
++ u16 val;
|
|
|
++
|
|
|
++ switch (ctrl) {
|
|
|
++ case ETH_TP_MDI:
|
|
|
++ val = AT803X_SFC_MANUAL_MDI;
|
|
|
++ break;
|
|
|
++ case ETH_TP_MDI_X:
|
|
|
++ val = AT803X_SFC_MANUAL_MDIX;
|
|
|
++ break;
|
|
|
++ case ETH_TP_MDI_AUTO:
|
|
|
++ val = AT803X_SFC_AUTOMATIC_CROSSOVER;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ return 0;
|
|
|
++ }
|
|
|
++
|
|
|
++ return phy_modify_changed(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL,
|
|
|
++ AT803X_SFC_MDI_CROSSOVER_MODE_M,
|
|
|
++ FIELD_PREP(AT803X_SFC_MDI_CROSSOVER_MODE_M, val));
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_prepare_config_aneg(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = at803x_config_mdix(phydev, phydev->mdix_ctrl);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* Changes of the midx bits are disruptive to the normal operation;
|
|
|
++ * therefore any changes to these registers must be followed by a
|
|
|
++ * software reset to take effect.
|
|
|
++ */
|
|
|
++ if (ret == 1) {
|
|
|
++ ret = genphy_soft_reset(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_config_aneg(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = at803x_prepare_config_aneg(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (priv->is_1000basex)
|
|
|
++ return genphy_c37_config_aneg(phydev);
|
|
|
++
|
|
|
++ return genphy_config_aneg(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
|
|
|
++{
|
|
|
++ int val;
|
|
|
++
|
|
|
++ val = phy_read(phydev, AT803X_SMART_SPEED);
|
|
|
++ if (val < 0)
|
|
|
++ return val;
|
|
|
++
|
|
|
++ if (val & AT803X_SMART_SPEED_ENABLE)
|
|
|
++ *d = FIELD_GET(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, val) + 2;
|
|
|
++ else
|
|
|
++ *d = DOWNSHIFT_DEV_DISABLE;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_set_downshift(struct phy_device *phydev, u8 cnt)
|
|
|
++{
|
|
|
++ u16 mask, set;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ switch (cnt) {
|
|
|
++ case DOWNSHIFT_DEV_DEFAULT_COUNT:
|
|
|
++ cnt = AT803X_DEFAULT_DOWNSHIFT;
|
|
|
++ fallthrough;
|
|
|
++ case AT803X_MIN_DOWNSHIFT ... AT803X_MAX_DOWNSHIFT:
|
|
|
++ set = AT803X_SMART_SPEED_ENABLE |
|
|
|
++ AT803X_SMART_SPEED_BYPASS_TIMER |
|
|
|
++ FIELD_PREP(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, cnt - 2);
|
|
|
++ mask = AT803X_SMART_SPEED_RETRY_LIMIT_MASK;
|
|
|
++ break;
|
|
|
++ case DOWNSHIFT_DEV_DISABLE:
|
|
|
++ set = 0;
|
|
|
++ mask = AT803X_SMART_SPEED_ENABLE |
|
|
|
++ AT803X_SMART_SPEED_BYPASS_TIMER;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ ret = phy_modify_changed(phydev, AT803X_SMART_SPEED, mask, set);
|
|
|
++
|
|
|
++ /* After changing the smart speed settings, we need to perform a
|
|
|
++ * software reset, use phy_init_hw() to make sure we set the
|
|
|
++ * reapply any values which might got lost during software reset.
|
|
|
++ */
|
|
|
++ if (ret == 1)
|
|
|
++ ret = phy_init_hw(phydev);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_get_tunable(struct phy_device *phydev,
|
|
|
++ struct ethtool_tunable *tuna, void *data)
|
|
|
++{
|
|
|
++ switch (tuna->id) {
|
|
|
++ case ETHTOOL_PHY_DOWNSHIFT:
|
|
|
++ return at803x_get_downshift(phydev, data);
|
|
|
++ default:
|
|
|
++ return -EOPNOTSUPP;
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_set_tunable(struct phy_device *phydev,
|
|
|
++ struct ethtool_tunable *tuna, const void *data)
|
|
|
++{
|
|
|
++ switch (tuna->id) {
|
|
|
++ case ETHTOOL_PHY_DOWNSHIFT:
|
|
|
++ return at803x_set_downshift(phydev, *(const u8 *)data);
|
|
|
++ default:
|
|
|
++ return -EOPNOTSUPP;
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cable_test_result_trans(u16 status)
|
|
|
++{
|
|
|
++ switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
|
|
|
++ case AT803X_CDT_STATUS_STAT_NORMAL:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_OK;
|
|
|
++ case AT803X_CDT_STATUS_STAT_SHORT:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
|
|
|
++ case AT803X_CDT_STATUS_STAT_OPEN:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
|
|
|
++ case AT803X_CDT_STATUS_STAT_FAIL:
|
|
|
++ default:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static bool at803x_cdt_test_failed(u16 status)
|
|
|
++{
|
|
|
++ return FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status) ==
|
|
|
++ AT803X_CDT_STATUS_STAT_FAIL;
|
|
|
++}
|
|
|
++
|
|
|
++static bool at803x_cdt_fault_length_valid(u16 status)
|
|
|
++{
|
|
|
++ switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
|
|
|
++ case AT803X_CDT_STATUS_STAT_OPEN:
|
|
|
++ case AT803X_CDT_STATUS_STAT_SHORT:
|
|
|
++ return true;
|
|
|
++ }
|
|
|
++ return false;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cdt_fault_length(int dt)
|
|
|
++{
|
|
|
++ /* According to the datasheet the distance to the fault is
|
|
|
++ * DELTA_TIME * 0.824 meters.
|
|
|
++ *
|
|
|
++ * The author suspect the correct formula is:
|
|
|
++ *
|
|
|
++ * fault_distance = DELTA_TIME * (c * VF) / 125MHz / 2
|
|
|
++ *
|
|
|
++ * where c is the speed of light, VF is the velocity factor of
|
|
|
++ * the twisted pair cable, 125MHz the counter frequency and
|
|
|
++ * we need to divide by 2 because the hardware will measure the
|
|
|
++ * round trip time to the fault and back to the PHY.
|
|
|
++ *
|
|
|
++ * With a VF of 0.69 we get the factor 0.824 mentioned in the
|
|
|
++ * datasheet.
|
|
|
++ */
|
|
|
++ return (dt * 824) / 10;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cdt_start(struct phy_device *phydev,
|
|
|
++ u32 cdt_start)
|
|
|
++{
|
|
|
++ return phy_write(phydev, AT803X_CDT, cdt_start);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cdt_wait_for_completion(struct phy_device *phydev,
|
|
|
++ u32 cdt_en)
|
|
|
++{
|
|
|
++ int val, ret;
|
|
|
++
|
|
|
++ /* One test run takes about 25ms */
|
|
|
++ ret = phy_read_poll_timeout(phydev, AT803X_CDT, val,
|
|
|
++ !(val & cdt_en),
|
|
|
++ 30000, 100000, true);
|
|
|
++
|
|
|
++ return ret < 0 ? ret : 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cable_test_one_pair(struct phy_device *phydev, int pair)
|
|
|
++{
|
|
|
++ static const int ethtool_pair[] = {
|
|
|
++ ETHTOOL_A_CABLE_PAIR_A,
|
|
|
++ ETHTOOL_A_CABLE_PAIR_B,
|
|
|
++ ETHTOOL_A_CABLE_PAIR_C,
|
|
|
++ ETHTOOL_A_CABLE_PAIR_D,
|
|
|
++ };
|
|
|
++ int ret, val;
|
|
|
++
|
|
|
++ val = FIELD_PREP(AT803X_CDT_MDI_PAIR_MASK, pair) |
|
|
|
++ AT803X_CDT_ENABLE_TEST;
|
|
|
++ ret = at803x_cdt_start(phydev, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at803x_cdt_wait_for_completion(phydev, AT803X_CDT_ENABLE_TEST);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ val = phy_read(phydev, AT803X_CDT_STATUS);
|
|
|
++ if (val < 0)
|
|
|
++ return val;
|
|
|
++
|
|
|
++ if (at803x_cdt_test_failed(val))
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ ethnl_cable_test_result(phydev, ethtool_pair[pair],
|
|
|
++ at803x_cable_test_result_trans(val));
|
|
|
++
|
|
|
++ if (at803x_cdt_fault_length_valid(val)) {
|
|
|
++ val = FIELD_GET(AT803X_CDT_STATUS_DELTA_TIME_MASK, val);
|
|
|
++ ethnl_cable_test_fault_length(phydev, ethtool_pair[pair],
|
|
|
++ at803x_cdt_fault_length(val));
|
|
|
++ }
|
|
|
++
|
|
|
++ return 1;
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cable_test_get_status(struct phy_device *phydev,
|
|
|
++ bool *finished, unsigned long pair_mask)
|
|
|
++{
|
|
|
++ int retries = 20;
|
|
|
++ int pair, ret;
|
|
|
++
|
|
|
++ *finished = false;
|
|
|
++
|
|
|
++ /* According to the datasheet the CDT can be performed when
|
|
|
++ * there is no link partner or when the link partner is
|
|
|
++ * auto-negotiating. Starting the test will restart the AN
|
|
|
++ * automatically. It seems that doing this repeatedly we will
|
|
|
++ * get a slot where our link partner won't disturb our
|
|
|
++ * measurement.
|
|
|
++ */
|
|
|
++ while (pair_mask && retries--) {
|
|
|
++ for_each_set_bit(pair, &pair_mask, 4) {
|
|
|
++ ret = at803x_cable_test_one_pair(phydev, pair);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++ if (ret)
|
|
|
++ clear_bit(pair, &pair_mask);
|
|
|
++ }
|
|
|
++ if (pair_mask)
|
|
|
++ msleep(250);
|
|
|
++ }
|
|
|
++
|
|
|
++ *finished = true;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static void at803x_cable_test_autoneg(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ /* Enable auto-negotiation, but advertise no capabilities, no link
|
|
|
++ * will be established. A restart of the auto-negotiation is not
|
|
|
++ * required, because the cable test will automatically break the link.
|
|
|
++ */
|
|
|
++ phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
|
|
|
++ phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);
|
|
|
++}
|
|
|
++
|
|
|
++static int at803x_cable_test_start(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ at803x_cable_test_autoneg(phydev);
|
|
|
++ /* we do all the (time consuming) work later */
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev,
|
|
|
++ unsigned int selector)
|
|
|
++{
|
|
|
++ struct phy_device *phydev = rdev_get_drvdata(rdev);
|
|
|
++
|
|
|
++ if (selector)
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
++ 0, AT803X_DEBUG_RGMII_1V8);
|
|
|
++ else
|
|
|
++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
|
|
|
++ AT803X_DEBUG_RGMII_1V8, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev)
|
|
|
++{
|
|
|
++ struct phy_device *phydev = rdev_get_drvdata(rdev);
|
|
|
++ int val;
|
|
|
++
|
|
|
++ val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F);
|
|
|
++ if (val < 0)
|
|
|
++ return val;
|
|
|
++
|
|
|
++ return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0;
|
|
|
++}
|
|
|
++
|
|
|
++static const struct regulator_ops vddio_regulator_ops = {
|
|
|
++ .list_voltage = regulator_list_voltage_table,
|
|
|
++ .set_voltage_sel = at8031_rgmii_reg_set_voltage_sel,
|
|
|
++ .get_voltage_sel = at8031_rgmii_reg_get_voltage_sel,
|
|
|
++};
|
|
|
++
|
|
|
++static const unsigned int vddio_voltage_table[] = {
|
|
|
++ 1500000,
|
|
|
++ 1800000,
|
|
|
++};
|
|
|
++
|
|
|
++static const struct regulator_desc vddio_desc = {
|
|
|
++ .name = "vddio",
|
|
|
++ .of_match = of_match_ptr("vddio-regulator"),
|
|
|
++ .n_voltages = ARRAY_SIZE(vddio_voltage_table),
|
|
|
++ .volt_table = vddio_voltage_table,
|
|
|
++ .ops = &vddio_regulator_ops,
|
|
|
++ .type = REGULATOR_VOLTAGE,
|
|
|
++ .owner = THIS_MODULE,
|
|
|
++};
|
|
|
++
|
|
|
++static const struct regulator_ops vddh_regulator_ops = {
|
|
|
++};
|
|
|
++
|
|
|
++static const struct regulator_desc vddh_desc = {
|
|
|
++ .name = "vddh",
|
|
|
++ .of_match = of_match_ptr("vddh-regulator"),
|
|
|
++ .n_voltages = 1,
|
|
|
++ .fixed_uV = 2500000,
|
|
|
++ .ops = &vddh_regulator_ops,
|
|
|
++ .type = REGULATOR_VOLTAGE,
|
|
|
++ .owner = THIS_MODULE,
|
|
|
++};
|
|
|
++
|
|
|
++static int at8031_register_regulators(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ struct device *dev = &phydev->mdio.dev;
|
|
|
++ struct regulator_config config = { };
|
|
|
++
|
|
|
++ config.dev = dev;
|
|
|
++ config.driver_data = phydev;
|
|
|
++
|
|
|
++ priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config);
|
|
|
++ if (IS_ERR(priv->vddio_rdev)) {
|
|
|
++ phydev_err(phydev, "failed to register VDDIO regulator\n");
|
|
|
++ return PTR_ERR(priv->vddio_rdev);
|
|
|
++ }
|
|
|
++
|
|
|
++ priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config);
|
|
|
++ if (IS_ERR(priv->vddh_rdev)) {
|
|
|
++ phydev_err(phydev, "failed to register VDDH regulator\n");
|
|
|
++ return PTR_ERR(priv->vddh_rdev);
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
|
|
|
++{
|
|
|
++ struct phy_device *phydev = upstream;
|
|
|
++ __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_support);
|
|
|
++ __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
|
|
|
++ DECLARE_PHY_INTERFACE_MASK(interfaces);
|
|
|
++ phy_interface_t iface;
|
|
|
++
|
|
|
++ linkmode_zero(phy_support);
|
|
|
++ phylink_set(phy_support, 1000baseX_Full);
|
|
|
++ phylink_set(phy_support, 1000baseT_Full);
|
|
|
++ phylink_set(phy_support, Autoneg);
|
|
|
++ phylink_set(phy_support, Pause);
|
|
|
++ phylink_set(phy_support, Asym_Pause);
|
|
|
++
|
|
|
++ linkmode_zero(sfp_support);
|
|
|
++ sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces);
|
|
|
++ /* Some modules support 10G modes as well as others we support.
|
|
|
++ * Mask out non-supported modes so the correct interface is picked.
|
|
|
++ */
|
|
|
++ linkmode_and(sfp_support, phy_support, sfp_support);
|
|
|
++
|
|
|
++ if (linkmode_empty(sfp_support)) {
|
|
|
++ dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ iface = sfp_select_interface(phydev->sfp_bus, sfp_support);
|
|
|
++
|
|
|
++ /* Only 1000Base-X is supported by AR8031/8033 as the downstream SerDes
|
|
|
++ * interface for use with SFP modules.
|
|
|
++ * However, some copper modules detected as having a preferred SGMII
|
|
|
++ * interface do default to and function in 1000Base-X mode, so just
|
|
|
++ * print a warning and allow such modules, as they may have some chance
|
|
|
++ * of working.
|
|
|
++ */
|
|
|
++ if (iface == PHY_INTERFACE_MODE_SGMII)
|
|
|
++ dev_warn(&phydev->mdio.dev, "module may not function if 1000Base-X not supported\n");
|
|
|
++ else if (iface != PHY_INTERFACE_MODE_1000BASEX)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static const struct sfp_upstream_ops at8031_sfp_ops = {
|
|
|
++ .attach = phy_sfp_attach,
|
|
|
++ .detach = phy_sfp_detach,
|
|
|
++ .module_insert = at8031_sfp_insert,
|
|
|
++};
|
|
|
++
|
|
|
++static int at8031_parse_dt(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct device_node *node = phydev->mdio.dev.of_node;
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ if (of_property_read_bool(node, "qca,keep-pll-enabled"))
|
|
|
++ priv->flags |= AT803X_KEEP_PLL_ENABLED;
|
|
|
++
|
|
|
++ ret = at8031_register_regulators(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = devm_regulator_get_enable_optional(&phydev->mdio.dev,
|
|
|
++ "vddio");
|
|
|
++ if (ret) {
|
|
|
++ phydev_err(phydev, "failed to get VDDIO regulator\n");
|
|
|
++ return ret;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Only AR8031/8033 support 1000Base-X for SFP modules */
|
|
|
++ return phy_sfp_probe(phydev, &at8031_sfp_ops);
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_probe(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int mode_cfg;
|
|
|
++ int ccr;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = at803x_probe(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* Only supported on AR8031/AR8033, the AR8030/AR8035 use strapping
|
|
|
++ * options.
|
|
|
++ */
|
|
|
++ ret = at8031_parse_dt(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
|
|
|
++ if (ccr < 0)
|
|
|
++ return ccr;
|
|
|
++ mode_cfg = ccr & AT803X_MODE_CFG_MASK;
|
|
|
++
|
|
|
++ switch (mode_cfg) {
|
|
|
++ case AT803X_MODE_CFG_BX1000_RGMII_50OHM:
|
|
|
++ case AT803X_MODE_CFG_BX1000_RGMII_75OHM:
|
|
|
++ priv->is_1000basex = true;
|
|
|
++ fallthrough;
|
|
|
++ case AT803X_MODE_CFG_FX100_RGMII_50OHM:
|
|
|
++ case AT803X_MODE_CFG_FX100_RGMII_75OHM:
|
|
|
++ priv->is_fiber = true;
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Disable WoL in 1588 register which is enabled
|
|
|
++ * by default
|
|
|
++ */
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
++ AT803X_PHY_MMD3_WOL_CTRL,
|
|
|
++ AT803X_WOL_EN, 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_config_init(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ /* Some bootloaders leave the fiber page selected.
|
|
|
++ * Switch to the appropriate page (fiber or copper), as otherwise we
|
|
|
++ * read the PHY capabilities from the wrong page.
|
|
|
++ */
|
|
|
++ phy_lock_mdio_bus(phydev);
|
|
|
++ ret = at803x_write_page(phydev,
|
|
|
++ priv->is_fiber ? AT803X_PAGE_FIBER :
|
|
|
++ AT803X_PAGE_COPPER);
|
|
|
++ phy_unlock_mdio_bus(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at8031_pll_config(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return at803x_config_init(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_set_wol(struct phy_device *phydev,
|
|
|
++ struct ethtool_wolinfo *wol)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ /* First setup MAC address and enable WOL interrupt */
|
|
|
++ ret = at803x_set_wol(phydev, wol);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (wol->wolopts & WAKE_MAGIC)
|
|
|
++ /* Enable WOL function for 1588 */
|
|
|
++ ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
++ AT803X_PHY_MMD3_WOL_CTRL,
|
|
|
++ 0, AT803X_WOL_EN);
|
|
|
++ else
|
|
|
++ /* Disable WoL function for 1588 */
|
|
|
++ ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
|
|
|
++ AT803X_PHY_MMD3_WOL_CTRL,
|
|
|
++ AT803X_WOL_EN, 0);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static int at8031_config_intr(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ int err, value = 0;
|
|
|
++
|
|
|
++ if (phydev->interrupts == PHY_INTERRUPT_ENABLED &&
|
|
|
++ priv->is_fiber) {
|
|
|
++ /* Clear any pending interrupts */
|
|
|
++ err = at803x_ack_interrupt(phydev);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++
|
|
|
++ value |= AT803X_INTR_ENABLE_LINK_FAIL_BX;
|
|
|
++ value |= AT803X_INTR_ENABLE_LINK_SUCCESS_BX;
|
|
|
++
|
|
|
++ err = phy_set_bits(phydev, AT803X_INTR_ENABLE, value);
|
|
|
++ if (err)
|
|
|
++ return err;
|
|
|
++ }
|
|
|
++
|
|
|
++ return at803x_config_intr(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++/* AR8031 and AR8033 share the same read status logic */
|
|
|
++static int at8031_read_status(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++
|
|
|
++ if (priv->is_1000basex)
|
|
|
++ return genphy_c37_read_status(phydev);
|
|
|
++
|
|
|
++ return at803x_read_status(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++/* AR8031 and AR8035 share the same cable test get status reg */
|
|
|
++static int at8031_cable_test_get_status(struct phy_device *phydev,
|
|
|
++ bool *finished)
|
|
|
++{
|
|
|
++ return at803x_cable_test_get_status(phydev, finished, 0xf);
|
|
|
++}
|
|
|
++
|
|
|
++/* AR8031 and AR8035 share the same cable test start logic */
|
|
|
++static int at8031_cable_test_start(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ at803x_cable_test_autoneg(phydev);
|
|
|
++ phy_write(phydev, MII_CTRL1000, 0);
|
|
|
++ /* we do all the (time consuming) work later */
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++/* AR8032, AR9331 and QCA9561 share the same cable test get status reg */
|
|
|
++static int at8032_cable_test_get_status(struct phy_device *phydev,
|
|
|
++ bool *finished)
|
|
|
++{
|
|
|
++ return at803x_cable_test_get_status(phydev, finished, 0x3);
|
|
|
++}
|
|
|
++
|
|
|
++static int at8035_parse_dt(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++
|
|
|
++ /* Mask is set by the generic at803x_parse_dt
|
|
|
++ * if property is set. Assume property is set
|
|
|
++ * with the mask not zero.
|
|
|
++ */
|
|
|
++ if (priv->clk_25m_mask) {
|
|
|
++ /* Fixup for the AR8030/AR8035. This chip has another mask and
|
|
|
++ * doesn't support the DSP reference. Eg. the lowest bit of the
|
|
|
++ * mask. The upper two bits select the same frequencies. Mask
|
|
|
++ * the lowest bit here.
|
|
|
++ *
|
|
|
++ * Warning:
|
|
|
++ * There was no datasheet for the AR8030 available so this is
|
|
|
++ * just a guess. But the AR8035 is listed as pin compatible
|
|
|
++ * to the AR8030 so there might be a good chance it works on
|
|
|
++ * the AR8030 too.
|
|
|
++ */
|
|
|
++ priv->clk_25m_reg &= AT8035_CLK_OUT_MASK;
|
|
|
++ priv->clk_25m_mask &= AT8035_CLK_OUT_MASK;
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++/* AR8030 and AR8035 shared the same special mask for clk_25m */
|
|
|
++static int at8035_probe(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = at803x_probe(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return at8035_parse_dt(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca83xx_config_init(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ u8 switch_revision;
|
|
|
++
|
|
|
++ switch_revision = phydev->dev_flags & QCA8K_DEVFLAGS_REVISION_MASK;
|
|
|
++
|
|
|
++ switch (switch_revision) {
|
|
|
++ case 1:
|
|
|
++ /* For 100M waveform */
|
|
|
++ at803x_debug_reg_write(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0x02ea);
|
|
|
++ /* Turn on Gigabit clock */
|
|
|
++ at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x68a0);
|
|
|
++ break;
|
|
|
++
|
|
|
++ case 2:
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0x0);
|
|
|
++ fallthrough;
|
|
|
++ case 4:
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_AZ_DEBUG, 0x803f);
|
|
|
++ at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x6860);
|
|
|
++ at803x_debug_reg_write(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0x2c46);
|
|
|
++ at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_3C, 0x6000);
|
|
|
++ break;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Following original QCA sourcecode set port to prefer master */
|
|
|
++ phy_set_bits(phydev, MII_CTRL1000, CTL1000_PREFER_MASTER);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca8327_config_init(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ /* QCA8327 require DAC amplitude adjustment for 100m set to +6%.
|
|
|
++ * Disable on init and enable only with 100m speed following
|
|
|
++ * qca original source code.
|
|
|
++ */
|
|
|
++ at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
++ QCA8327_DEBUG_MANU_CTRL_EN, 0);
|
|
|
++
|
|
|
++ return qca83xx_config_init(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++static void qca83xx_link_change_notify(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ /* Set DAC Amplitude adjustment to +6% for 100m on link running */
|
|
|
++ if (phydev->state == PHY_RUNNING) {
|
|
|
++ if (phydev->speed == SPEED_100)
|
|
|
++ at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
++ QCA8327_DEBUG_MANU_CTRL_EN,
|
|
|
++ QCA8327_DEBUG_MANU_CTRL_EN);
|
|
|
++ } else {
|
|
|
++ /* Reset DAC Amplitude adjustment */
|
|
|
++ at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
|
|
|
++ QCA8327_DEBUG_MANU_CTRL_EN, 0);
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int qca83xx_resume(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret, val;
|
|
|
++
|
|
|
++ /* Skip reset if not suspended */
|
|
|
++ if (!phydev->suspended)
|
|
|
++ return 0;
|
|
|
++
|
|
|
++ /* Reinit the port, reset values set by suspend */
|
|
|
++ qca83xx_config_init(phydev);
|
|
|
++
|
|
|
++ /* Reset the port on port resume */
|
|
|
++ phy_set_bits(phydev, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
|
|
|
++
|
|
|
++ /* On resume from suspend the switch execute a reset and
|
|
|
++ * restart auto-negotiation. Wait for reset to complete.
|
|
|
++ */
|
|
|
++ ret = phy_read_poll_timeout(phydev, MII_BMCR, val, !(val & BMCR_RESET),
|
|
|
++ 50000, 600000, true);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ usleep_range(1000, 2000);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca83xx_suspend(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_GREEN,
|
|
|
++ AT803X_DEBUG_GATE_CLK_IN1000, 0);
|
|
|
++
|
|
|
++ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
|
|
|
++ AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE |
|
|
|
++ AT803X_DEBUG_HIB_CTRL_SEL_RST_80U, 0);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca8337_suspend(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ /* Only QCA8337 support actual suspend. */
|
|
|
++ genphy_suspend(phydev);
|
|
|
++
|
|
|
++ return qca83xx_suspend(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca8327_suspend(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ u16 mask = 0;
|
|
|
++
|
|
|
++ /* QCA8327 cause port unreliability when phy suspend
|
|
|
++ * is set.
|
|
|
++ */
|
|
|
++ mask |= ~(BMCR_SPEED1000 | BMCR_FULLDPLX);
|
|
|
++ phy_modify(phydev, MII_BMCR, mask, 0);
|
|
|
++
|
|
|
++ return qca83xx_suspend(phydev);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_phy_fast_retrain_config(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ /* Enable fast retrain */
|
|
|
++ ret = genphy_c45_fast_retrain(phydev, true);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_TOP_OPTION1,
|
|
|
++ QCA808X_TOP_OPTION1_DATA);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB,
|
|
|
++ QCA808X_MSE_THRESHOLD_20DB_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB,
|
|
|
++ QCA808X_MSE_THRESHOLD_17DB_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB,
|
|
|
++ QCA808X_MSE_THRESHOLD_27DB_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB,
|
|
|
++ QCA808X_MSE_THRESHOLD_28DB_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_1,
|
|
|
++ QCA808X_MMD3_DEBUG_1_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_4,
|
|
|
++ QCA808X_MMD3_DEBUG_4_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_5,
|
|
|
++ QCA808X_MMD3_DEBUG_5_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_3,
|
|
|
++ QCA808X_MMD3_DEBUG_3_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_6,
|
|
|
++ QCA808X_MMD3_DEBUG_6_VALUE);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_2,
|
|
|
++ QCA808X_MMD3_DEBUG_2_VALUE);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_phy_ms_seed_enable(struct phy_device *phydev, bool enable)
|
|
|
++{
|
|
|
++ u16 seed_value;
|
|
|
++
|
|
|
++ if (!enable)
|
|
|
++ return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
|
|
|
++ QCA808X_MASTER_SLAVE_SEED_ENABLE, 0);
|
|
|
++
|
|
|
++ seed_value = prandom_u32_max(QCA808X_MASTER_SLAVE_SEED_RANGE);
|
|
|
++ return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
|
|
|
++ QCA808X_MASTER_SLAVE_SEED_CFG | QCA808X_MASTER_SLAVE_SEED_ENABLE,
|
|
|
++ FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value) |
|
|
|
++ QCA808X_MASTER_SLAVE_SEED_ENABLE);
|
|
|
++}
|
|
|
++
|
|
|
++static bool qca808x_is_prefer_master(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_FORCE) ||
|
|
|
++ (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_PREFERRED);
|
|
|
++}
|
|
|
++
|
|
|
++static bool qca808x_has_fast_retrain_or_slave_seed(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_config_init(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ /* Active adc&vga on 802.3az for the link 1000M and 100M */
|
|
|
++ ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_ADDR_CLD_CTRL7,
|
|
|
++ QCA808X_8023AZ_AFE_CTRL_MASK, QCA808X_8023AZ_AFE_EN);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* Adjust the threshold on 802.3az for the link 1000M */
|
|
|
++ ret = phy_write_mmd(phydev, MDIO_MMD_PCS,
|
|
|
++ QCA808X_PHY_MMD3_AZ_TRAINING_CTRL,
|
|
|
++ QCA808X_MMD3_AZ_TRAINING_VAL);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
|
|
|
++ /* Config the fast retrain for the link 2500M */
|
|
|
++ ret = qca808x_phy_fast_retrain_config(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = genphy_read_master_slave(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (!qca808x_is_prefer_master(phydev)) {
|
|
|
++ /* Enable seed and configure lower ramdom seed to make phy
|
|
|
++ * linked as slave mode.
|
|
|
++ */
|
|
|
++ ret = qca808x_phy_ms_seed_enable(phydev, true);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Configure adc threshold as 100mv for the link 10M */
|
|
|
++ return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_ADC_THRESHOLD,
|
|
|
++ QCA808X_ADC_THRESHOLD_MASK,
|
|
|
++ QCA808X_ADC_THRESHOLD_100MV);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_read_status(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ struct at803x_ss_mask ss_mask = { 0 };
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_STAT);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->lp_advertising,
|
|
|
++ ret & MDIO_AN_10GBT_STAT_LP2_5G);
|
|
|
++
|
|
|
++ ret = genphy_read_status(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* qca8081 takes the different bits for speed value from at803x */
|
|
|
++ ss_mask.speed_mask = QCA808X_SS_SPEED_MASK;
|
|
|
++ ss_mask.speed_shift = __bf_shf(QCA808X_SS_SPEED_MASK);
|
|
|
++ ret = at803x_read_specific_status(phydev, ss_mask);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (phydev->link) {
|
|
|
++ if (phydev->speed == SPEED_2500)
|
|
|
++ phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
|
|
|
++ else
|
|
|
++ phydev->interface = PHY_INTERFACE_MODE_SGMII;
|
|
|
++ } else {
|
|
|
++ /* generate seed as a lower random value to make PHY linked as SLAVE easily,
|
|
|
++ * except for master/slave configuration fault detected or the master mode
|
|
|
++ * preferred.
|
|
|
++ *
|
|
|
++ * the reason for not putting this code into the function link_change_notify is
|
|
|
++ * the corner case where the link partner is also the qca8081 PHY and the seed
|
|
|
++ * value is configured as the same value, the link can't be up and no link change
|
|
|
++ * occurs.
|
|
|
++ */
|
|
|
++ if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
|
|
|
++ if (phydev->master_slave_state == MASTER_SLAVE_STATE_ERR ||
|
|
|
++ qca808x_is_prefer_master(phydev)) {
|
|
|
++ qca808x_phy_ms_seed_enable(phydev, false);
|
|
|
++ } else {
|
|
|
++ qca808x_phy_ms_seed_enable(phydev, true);
|
|
|
++ }
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_soft_reset(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = genphy_soft_reset(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (qca808x_has_fast_retrain_or_slave_seed(phydev))
|
|
|
++ ret = qca808x_phy_ms_seed_enable(phydev, true);
|
|
|
++
|
|
|
++ return ret;
|
|
|
++}
|
|
|
++
|
|
|
++static bool qca808x_cdt_fault_length_valid(int cdt_code)
|
|
|
++{
|
|
|
++ switch (cdt_code) {
|
|
|
++ case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
|
|
|
++ return true;
|
|
|
++ default:
|
|
|
++ return false;
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_cable_test_result_trans(int cdt_code)
|
|
|
++{
|
|
|
++ switch (cdt_code) {
|
|
|
++ case QCA808X_CDT_STATUS_STAT_NORMAL:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_OK;
|
|
|
++ case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
|
|
|
++ case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
|
|
|
++ case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
|
|
|
++ case QCA808X_CDT_STATUS_STAT_FAIL:
|
|
|
++ default:
|
|
|
++ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
|
|
|
++ }
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_cdt_fault_length(struct phy_device *phydev, int pair,
|
|
|
++ int result)
|
|
|
++{
|
|
|
++ int val;
|
|
|
++ u32 cdt_length_reg = 0;
|
|
|
++
|
|
|
++ switch (pair) {
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_A:
|
|
|
++ cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_A;
|
|
|
++ break;
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_B:
|
|
|
++ cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_B;
|
|
|
++ break;
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_C:
|
|
|
++ cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_C;
|
|
|
++ break;
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_D:
|
|
|
++ cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_D;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ val = phy_read_mmd(phydev, MDIO_MMD_PCS, cdt_length_reg);
|
|
|
++ if (val < 0)
|
|
|
++ return val;
|
|
|
++
|
|
|
++ if (result == ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT)
|
|
|
++ val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_SAME_SHORT, val);
|
|
|
++ else
|
|
|
++ val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT, val);
|
|
|
++
|
|
|
++ return at803x_cdt_fault_length(val);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_cable_test_start(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ /* perform CDT with the following configs:
|
|
|
++ * 1. disable hibernation.
|
|
|
++ * 2. force PHY working in MDI mode.
|
|
|
++ * 3. for PHY working in 1000BaseT.
|
|
|
++ * 4. configure the threshold.
|
|
|
++ */
|
|
|
++
|
|
|
++ ret = at803x_debug_reg_mask(phydev, QCA808X_DBG_AN_TEST, QCA808X_HIBERNATION_EN, 0);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at803x_config_mdix(phydev, ETH_TP_MDI);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* Force 1000base-T needs to configure PMA/PMD and MII_BMCR */
|
|
|
++ phydev->duplex = DUPLEX_FULL;
|
|
|
++ phydev->speed = SPEED_1000;
|
|
|
++ ret = genphy_c45_pma_setup_forced(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = genphy_setup_forced(phydev);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* configure the thresholds for open, short, pair ok test */
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8074, 0xc040);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8076, 0xc040);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8077, 0xa060);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8078, 0xc050);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807a, 0xc060);
|
|
|
++ phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807e, 0xb060);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_cable_test_get_pair_status(struct phy_device *phydev, u8 pair,
|
|
|
++ u16 status)
|
|
|
++{
|
|
|
++ int length, result;
|
|
|
++ u16 pair_code;
|
|
|
++
|
|
|
++ switch (pair) {
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_A:
|
|
|
++ pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_A, status);
|
|
|
++ break;
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_B:
|
|
|
++ pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_B, status);
|
|
|
++ break;
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_C:
|
|
|
++ pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_C, status);
|
|
|
++ break;
|
|
|
++ case ETHTOOL_A_CABLE_PAIR_D:
|
|
|
++ pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_D, status);
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ result = qca808x_cable_test_result_trans(pair_code);
|
|
|
++ ethnl_cable_test_result(phydev, pair, result);
|
|
|
++
|
|
|
++ if (qca808x_cdt_fault_length_valid(pair_code)) {
|
|
|
++ length = qca808x_cdt_fault_length(phydev, pair, result);
|
|
|
++ ethnl_cable_test_fault_length(phydev, pair, length);
|
|
|
++ }
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finished)
|
|
|
++{
|
|
|
++ int ret, val;
|
|
|
++
|
|
|
++ *finished = false;
|
|
|
++
|
|
|
++ val = QCA808X_CDT_ENABLE_TEST |
|
|
|
++ QCA808X_CDT_LENGTH_UNIT;
|
|
|
++ ret = at803x_cdt_start(phydev, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = at803x_cdt_wait_for_completion(phydev, QCA808X_CDT_ENABLE_TEST);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ val = phy_read_mmd(phydev, MDIO_MMD_PCS, QCA808X_MMD3_CDT_STATUS);
|
|
|
++ if (val < 0)
|
|
|
++ return val;
|
|
|
++
|
|
|
++ ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_A, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_B, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_C, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_D, val);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ *finished = true;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_get_features(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = genphy_c45_pma_read_abilities(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* The autoneg ability is not existed in bit3 of MMD7.1,
|
|
|
++ * but it is supported by qca808x PHY, so we add it here
|
|
|
++ * manually.
|
|
|
++ */
|
|
|
++ linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->supported);
|
|
|
++
|
|
|
++ /* As for the qca8081 1G version chip, the 2500baseT ability is also
|
|
|
++ * existed in the bit0 of MMD1.21, we need to remove it manually if
|
|
|
++ * it is the qca8081 1G chip according to the bit0 of MMD7.0x901d.
|
|
|
++ */
|
|
|
++ ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ if (QCA808X_PHY_CHIP_TYPE_1G & ret)
|
|
|
++ linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_config_aneg(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ int phy_ctrl = 0;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ ret = at803x_prepare_config_aneg(phydev);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* The reg MII_BMCR also needs to be configured for force mode, the
|
|
|
++ * genphy_config_aneg is also needed.
|
|
|
++ */
|
|
|
++ if (phydev->autoneg == AUTONEG_DISABLE)
|
|
|
++ genphy_c45_pma_setup_forced(phydev);
|
|
|
++
|
|
|
++ if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
|
|
|
++ phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
|
|
|
++
|
|
|
++ ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
|
|
|
++ MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
|
|
|
++ if (ret < 0)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return __genphy_config_aneg(phydev, ret);
|
|
|
++}
|
|
|
++
|
|
|
++static void qca808x_link_change_notify(struct phy_device *phydev)
|
|
|
++{
|
|
|
++ /* Assert interface sgmii fifo on link down, deassert it on link up,
|
|
|
++ * the interface device address is always phy address added by 1.
|
|
|
++ */
|
|
|
++ mdiobus_c45_modify_changed(phydev->mdio.bus, phydev->mdio.addr + 1,
|
|
|
++ MDIO_MMD_PMAPMD, QCA8081_PHY_SERDES_MMD1_FIFO_CTRL,
|
|
|
++ QCA8081_PHY_FIFO_RSTN,
|
|
|
++ phydev->link ? QCA8081_PHY_FIFO_RSTN : 0);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_parse_netdev(struct phy_device *phydev, unsigned long rules,
|
|
|
++ u16 *offload_trigger)
|
|
|
++{
|
|
|
++ /* Parsing specific to netdev trigger */
|
|
|
++ if (test_bit(TRIGGER_NETDEV_TX, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_TX_BLINK;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_RX, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_RX_BLINK;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_LINK_10, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_SPEED10_ON;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_LINK_100, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_SPEED100_ON;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_LINK_1000, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_SPEED1000_ON;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_LINK_2500, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_SPEED2500_ON;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_HALF_DUPLEX, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_HALF_DUPLEX_ON;
|
|
|
++ if (test_bit(TRIGGER_NETDEV_FULL_DUPLEX, &rules))
|
|
|
++ *offload_trigger |= QCA808X_LED_FULL_DUPLEX_ON;
|
|
|
++
|
|
|
++ if (rules && !*offload_trigger)
|
|
|
++ return -EOPNOTSUPP;
|
|
|
++
|
|
|
++ /* Enable BLINK_CHECK_BYPASS by default to make the LED
|
|
|
++ * blink even with duplex or speed mode not enabled.
|
|
|
++ */
|
|
|
++ *offload_trigger |= QCA808X_LED_BLINK_CHECK_BYPASS;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_hw_control_enable(struct phy_device *phydev, u8 index)
|
|
|
++{
|
|
|
++ u16 reg;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
++
|
|
|
++ return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
++ QCA808X_LED_FORCE_EN);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_hw_is_supported(struct phy_device *phydev, u8 index,
|
|
|
++ unsigned long rules)
|
|
|
++{
|
|
|
++ u16 offload_trigger = 0;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ return qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_hw_control_set(struct phy_device *phydev, u8 index,
|
|
|
++ unsigned long rules)
|
|
|
++{
|
|
|
++ u16 reg, offload_trigger = 0;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_CTRL(index);
|
|
|
++
|
|
|
++ ret = qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ ret = qca808x_led_hw_control_enable(phydev, index);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
++ QCA808X_LED_PATTERN_MASK,
|
|
|
++ offload_trigger);
|
|
|
++}
|
|
|
++
|
|
|
++static bool qca808x_led_hw_control_status(struct phy_device *phydev, u8 index)
|
|
|
++{
|
|
|
++ u16 reg;
|
|
|
++ int val;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return false;
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
++
|
|
|
++ val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
|
|
|
++
|
|
|
++ return !(val & QCA808X_LED_FORCE_EN);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_hw_control_get(struct phy_device *phydev, u8 index,
|
|
|
++ unsigned long *rules)
|
|
|
++{
|
|
|
++ u16 reg;
|
|
|
++ int val;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ /* Check if we have hw control enabled */
|
|
|
++ if (qca808x_led_hw_control_status(phydev, index))
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_CTRL(index);
|
|
|
++
|
|
|
++ val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
|
|
|
++ if (val & QCA808X_LED_TX_BLINK)
|
|
|
++ set_bit(TRIGGER_NETDEV_TX, rules);
|
|
|
++ if (val & QCA808X_LED_RX_BLINK)
|
|
|
++ set_bit(TRIGGER_NETDEV_RX, rules);
|
|
|
++ if (val & QCA808X_LED_SPEED10_ON)
|
|
|
++ set_bit(TRIGGER_NETDEV_LINK_10, rules);
|
|
|
++ if (val & QCA808X_LED_SPEED100_ON)
|
|
|
++ set_bit(TRIGGER_NETDEV_LINK_100, rules);
|
|
|
++ if (val & QCA808X_LED_SPEED1000_ON)
|
|
|
++ set_bit(TRIGGER_NETDEV_LINK_1000, rules);
|
|
|
++ if (val & QCA808X_LED_SPEED2500_ON)
|
|
|
++ set_bit(TRIGGER_NETDEV_LINK_2500, rules);
|
|
|
++ if (val & QCA808X_LED_HALF_DUPLEX_ON)
|
|
|
++ set_bit(TRIGGER_NETDEV_HALF_DUPLEX, rules);
|
|
|
++ if (val & QCA808X_LED_FULL_DUPLEX_ON)
|
|
|
++ set_bit(TRIGGER_NETDEV_FULL_DUPLEX, rules);
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_hw_control_reset(struct phy_device *phydev, u8 index)
|
|
|
++{
|
|
|
++ u16 reg;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_CTRL(index);
|
|
|
++
|
|
|
++ return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
++ QCA808X_LED_PATTERN_MASK);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_brightness_set(struct phy_device *phydev,
|
|
|
++ u8 index, enum led_brightness value)
|
|
|
++{
|
|
|
++ u16 reg;
|
|
|
++ int ret;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ if (!value) {
|
|
|
++ ret = qca808x_led_hw_control_reset(phydev, index);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++ }
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
++
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
++ QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
|
|
|
++ QCA808X_LED_FORCE_EN | value ? QCA808X_LED_FORCE_ON :
|
|
|
++ QCA808X_LED_FORCE_OFF);
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_blink_set(struct phy_device *phydev, u8 index,
|
|
|
++ unsigned long *delay_on,
|
|
|
++ unsigned long *delay_off)
|
|
|
++{
|
|
|
++ int ret;
|
|
|
++ u16 reg;
|
|
|
++
|
|
|
++ if (index > 2)
|
|
|
++ return -EINVAL;
|
|
|
++
|
|
|
++ reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
|
|
|
++
|
|
|
++ /* Set blink to 50% off, 50% on at 4Hz by default */
|
|
|
++ ret = phy_modify_mmd(phydev, MDIO_MMD_AN, QCA808X_MMD7_LED_GLOBAL,
|
|
|
++ QCA808X_LED_BLINK_FREQ_MASK | QCA808X_LED_BLINK_DUTY_MASK,
|
|
|
++ QCA808X_LED_BLINK_FREQ_4HZ | QCA808X_LED_BLINK_DUTY_50_50);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* We use BLINK_1 for normal blinking */
|
|
|
++ ret = phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
|
|
|
++ QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
|
|
|
++ QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_BLINK_1);
|
|
|
++ if (ret)
|
|
|
++ return ret;
|
|
|
++
|
|
|
++ /* We set blink to 4Hz, aka 250ms */
|
|
|
++ *delay_on = 250 / 2;
|
|
|
++ *delay_off = 250 / 2;
|
|
|
++
|
|
|
++ return 0;
|
|
|
++}
|
|
|
++
|
|
|
++static int qca808x_led_polarity_set(struct phy_device *phydev, int index,
|
|
|
++ unsigned long modes)
|
|
|
++{
|
|
|
++ struct at803x_priv *priv = phydev->priv;
|
|
|
++ bool active_low = false;
|
|
|
++ u32 mode;
|
|
|
++
|
|
|
++ for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
|
|
|
++ switch (mode) {
|
|
|
++ case PHY_LED_ACTIVE_LOW:
|
|
|
++ active_low = true;
|
|
|
++ break;
|
|
|
++ default:
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++ }
|
|
|
++
|
|
|
++ /* PHY polarity is global and can't be set per LED.
|
|
|
++ * To detect this, check if last requested polarity mode
|
|
|
++ * match the new one.
|
|
|
++ */
|
|
|
++ if (priv->led_polarity_mode >= 0 &&
|
|
|
++ priv->led_polarity_mode != active_low) {
|
|
|
++ phydev_err(phydev, "PHY polarity is global. Mismatched polarity on different LED\n");
|
|
|
++ return -EINVAL;
|
|
|
++ }
|
|
|
++
|
|
|
++ /* Save the last PHY polarity mode */
|
|
|
++ priv->led_polarity_mode = active_low;
|
|
|
++
|
|
|
++ return phy_modify_mmd(phydev, MDIO_MMD_AN,
|
|
|
++ QCA808X_MMD7_LED_POLARITY_CTRL,
|
|
|
++ QCA808X_LED_ACTIVE_HIGH,
|
|
|
++ active_low ? 0 : QCA808X_LED_ACTIVE_HIGH);
|
|
|
++}
|
|
|
++
|
|
|
++static struct phy_driver at803x_driver[] = {
|
|
|
++{
|
|
|
++ /* Qualcomm Atheros AR8035 */
|
|
|
++ PHY_ID_MATCH_EXACT(ATH8035_PHY_ID),
|
|
|
++ .name = "Qualcomm Atheros AR8035",
|
|
|
++ .flags = PHY_POLL_CABLE_TEST,
|
|
|
++ .probe = at8035_probe,
|
|
|
++ .config_aneg = at803x_config_aneg,
|
|
|
++ .config_init = at803x_config_init,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .set_wol = at803x_set_wol,
|
|
|
++ .get_wol = at803x_get_wol,
|
|
|
++ .suspend = at803x_suspend,
|
|
|
++ .resume = at803x_resume,
|
|
|
++ /* PHY_GBIT_FEATURES */
|
|
|
++ .read_status = at803x_read_status,
|
|
|
++ .config_intr = at803x_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++ .get_tunable = at803x_get_tunable,
|
|
|
++ .set_tunable = at803x_set_tunable,
|
|
|
++ .cable_test_start = at8031_cable_test_start,
|
|
|
++ .cable_test_get_status = at8031_cable_test_get_status,
|
|
|
++}, {
|
|
|
++ /* Qualcomm Atheros AR8030 */
|
|
|
++ .phy_id = ATH8030_PHY_ID,
|
|
|
++ .name = "Qualcomm Atheros AR8030",
|
|
|
++ .phy_id_mask = AT8030_PHY_ID_MASK,
|
|
|
++ .probe = at8035_probe,
|
|
|
++ .config_init = at803x_config_init,
|
|
|
++ .link_change_notify = at803x_link_change_notify,
|
|
|
++ .set_wol = at803x_set_wol,
|
|
|
++ .get_wol = at803x_get_wol,
|
|
|
++ .suspend = at803x_suspend,
|
|
|
++ .resume = at803x_resume,
|
|
|
++ /* PHY_BASIC_FEATURES */
|
|
|
++ .config_intr = at803x_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++}, {
|
|
|
++ /* Qualcomm Atheros AR8031/AR8033 */
|
|
|
++ PHY_ID_MATCH_EXACT(ATH8031_PHY_ID),
|
|
|
++ .name = "Qualcomm Atheros AR8031/AR8033",
|
|
|
++ .flags = PHY_POLL_CABLE_TEST,
|
|
|
++ .probe = at8031_probe,
|
|
|
++ .config_init = at8031_config_init,
|
|
|
++ .config_aneg = at803x_config_aneg,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .set_wol = at8031_set_wol,
|
|
|
++ .get_wol = at803x_get_wol,
|
|
|
++ .suspend = at803x_suspend,
|
|
|
++ .resume = at803x_resume,
|
|
|
++ .read_page = at803x_read_page,
|
|
|
++ .write_page = at803x_write_page,
|
|
|
++ .get_features = at803x_get_features,
|
|
|
++ .read_status = at8031_read_status,
|
|
|
++ .config_intr = at8031_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++ .get_tunable = at803x_get_tunable,
|
|
|
++ .set_tunable = at803x_set_tunable,
|
|
|
++ .cable_test_start = at8031_cable_test_start,
|
|
|
++ .cable_test_get_status = at8031_cable_test_get_status,
|
|
|
++}, {
|
|
|
++ /* Qualcomm Atheros AR8032 */
|
|
|
++ PHY_ID_MATCH_EXACT(ATH8032_PHY_ID),
|
|
|
++ .name = "Qualcomm Atheros AR8032",
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .flags = PHY_POLL_CABLE_TEST,
|
|
|
++ .config_init = at803x_config_init,
|
|
|
++ .link_change_notify = at803x_link_change_notify,
|
|
|
++ .suspend = at803x_suspend,
|
|
|
++ .resume = at803x_resume,
|
|
|
++ /* PHY_BASIC_FEATURES */
|
|
|
++ .config_intr = at803x_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++ .cable_test_start = at803x_cable_test_start,
|
|
|
++ .cable_test_get_status = at8032_cable_test_get_status,
|
|
|
++}, {
|
|
|
++ /* ATHEROS AR9331 */
|
|
|
++ PHY_ID_MATCH_EXACT(ATH9331_PHY_ID),
|
|
|
++ .name = "Qualcomm Atheros AR9331 built-in PHY",
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .suspend = at803x_suspend,
|
|
|
++ .resume = at803x_resume,
|
|
|
++ .flags = PHY_POLL_CABLE_TEST,
|
|
|
++ /* PHY_BASIC_FEATURES */
|
|
|
++ .config_intr = at803x_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++ .cable_test_start = at803x_cable_test_start,
|
|
|
++ .cable_test_get_status = at8032_cable_test_get_status,
|
|
|
++ .read_status = at803x_read_status,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .config_aneg = at803x_config_aneg,
|
|
|
++}, {
|
|
|
++ /* Qualcomm Atheros QCA9561 */
|
|
|
++ PHY_ID_MATCH_EXACT(QCA9561_PHY_ID),
|
|
|
++ .name = "Qualcomm Atheros QCA9561 built-in PHY",
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .suspend = at803x_suspend,
|
|
|
++ .resume = at803x_resume,
|
|
|
++ .flags = PHY_POLL_CABLE_TEST,
|
|
|
++ /* PHY_BASIC_FEATURES */
|
|
|
++ .config_intr = at803x_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++ .cable_test_start = at803x_cable_test_start,
|
|
|
++ .cable_test_get_status = at8032_cable_test_get_status,
|
|
|
++ .read_status = at803x_read_status,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .config_aneg = at803x_config_aneg,
|
|
|
++}, {
|
|
|
++ /* QCA8337 */
|
|
|
++ .phy_id = QCA8337_PHY_ID,
|
|
|
++ .phy_id_mask = QCA8K_PHY_ID_MASK,
|
|
|
++ .name = "Qualcomm Atheros 8337 internal PHY",
|
|
|
++ /* PHY_GBIT_FEATURES */
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .flags = PHY_IS_INTERNAL,
|
|
|
++ .config_init = qca83xx_config_init,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .get_sset_count = qca83xx_get_sset_count,
|
|
|
++ .get_strings = qca83xx_get_strings,
|
|
|
++ .get_stats = qca83xx_get_stats,
|
|
|
++ .suspend = qca8337_suspend,
|
|
|
++ .resume = qca83xx_resume,
|
|
|
++}, {
|
|
|
++ /* QCA8327-A from switch QCA8327-AL1A */
|
|
|
++ .phy_id = QCA8327_A_PHY_ID,
|
|
|
++ .phy_id_mask = QCA8K_PHY_ID_MASK,
|
|
|
++ .name = "Qualcomm Atheros 8327-A internal PHY",
|
|
|
++ /* PHY_GBIT_FEATURES */
|
|
|
++ .link_change_notify = qca83xx_link_change_notify,
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .flags = PHY_IS_INTERNAL,
|
|
|
++ .config_init = qca8327_config_init,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .get_sset_count = qca83xx_get_sset_count,
|
|
|
++ .get_strings = qca83xx_get_strings,
|
|
|
++ .get_stats = qca83xx_get_stats,
|
|
|
++ .suspend = qca8327_suspend,
|
|
|
++ .resume = qca83xx_resume,
|
|
|
++}, {
|
|
|
++ /* QCA8327-B from switch QCA8327-BL1A */
|
|
|
++ .phy_id = QCA8327_B_PHY_ID,
|
|
|
++ .phy_id_mask = QCA8K_PHY_ID_MASK,
|
|
|
++ .name = "Qualcomm Atheros 8327-B internal PHY",
|
|
|
++ /* PHY_GBIT_FEATURES */
|
|
|
++ .link_change_notify = qca83xx_link_change_notify,
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .flags = PHY_IS_INTERNAL,
|
|
|
++ .config_init = qca8327_config_init,
|
|
|
++ .soft_reset = genphy_soft_reset,
|
|
|
++ .get_sset_count = qca83xx_get_sset_count,
|
|
|
++ .get_strings = qca83xx_get_strings,
|
|
|
++ .get_stats = qca83xx_get_stats,
|
|
|
++ .suspend = qca8327_suspend,
|
|
|
++ .resume = qca83xx_resume,
|
|
|
++}, {
|
|
|
++ /* Qualcomm QCA8081 */
|
|
|
++ PHY_ID_MATCH_EXACT(QCA8081_PHY_ID),
|
|
|
++ .name = "Qualcomm QCA8081",
|
|
|
++ .flags = PHY_POLL_CABLE_TEST,
|
|
|
++ .probe = at803x_probe,
|
|
|
++ .config_intr = at803x_config_intr,
|
|
|
++ .handle_interrupt = at803x_handle_interrupt,
|
|
|
++ .get_tunable = at803x_get_tunable,
|
|
|
++ .set_tunable = at803x_set_tunable,
|
|
|
++ .set_wol = at803x_set_wol,
|
|
|
++ .get_wol = at803x_get_wol,
|
|
|
++ .get_features = qca808x_get_features,
|
|
|
++ .config_aneg = qca808x_config_aneg,
|
|
|
++ .suspend = genphy_suspend,
|
|
|
++ .resume = genphy_resume,
|
|
|
++ .read_status = qca808x_read_status,
|
|
|
++ .config_init = qca808x_config_init,
|
|
|
++ .soft_reset = qca808x_soft_reset,
|
|
|
++ .cable_test_start = qca808x_cable_test_start,
|
|
|
++ .cable_test_get_status = qca808x_cable_test_get_status,
|
|
|
++ .link_change_notify = qca808x_link_change_notify,
|
|
|
++ .led_brightness_set = qca808x_led_brightness_set,
|
|
|
++ .led_blink_set = qca808x_led_blink_set,
|
|
|
++ .led_hw_is_supported = qca808x_led_hw_is_supported,
|
|
|
++ .led_hw_control_set = qca808x_led_hw_control_set,
|
|
|
++ .led_hw_control_get = qca808x_led_hw_control_get,
|
|
|
++ .led_polarity_set = qca808x_led_polarity_set,
|
|
|
++}, };
|
|
|
++
|
|
|
++module_phy_driver(at803x_driver);
|
|
|
++
|
|
|
++static struct mdio_device_id __maybe_unused atheros_tbl[] = {
|
|
|
++ { ATH8030_PHY_ID, AT8030_PHY_ID_MASK },
|
|
|
++ { PHY_ID_MATCH_EXACT(ATH8031_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(ATH8032_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(ATH8035_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(ATH9331_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(QCA8337_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(QCA8327_A_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(QCA8327_B_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(QCA9561_PHY_ID) },
|
|
|
++ { PHY_ID_MATCH_EXACT(QCA8081_PHY_ID) },
|
|
|
++ { }
|
|
|
++};
|
|
|
++
|
|
|
++MODULE_DEVICE_TABLE(mdio, atheros_tbl);
|