blob: 5a3e42382f226b682b303f042b2196587437856b [file] [log] [blame]
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 207046b..21a4497 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -350,6 +350,11 @@ config AIROHA_EN8801SC_PHY
---help---
Currently supports the Airoha EN8801S PHY for MT7981 SoC.
+config AIROHA_EN8811H_PHY
+ tristate "Drivers for Airoha EN8811H 2.5G Gigabit PHY"
+ ---help---
+ Currently supports the Airoha EN8811H PHY.
+
config ADIN_PHY
tristate "Analog Devices Industrial Ethernet PHYs"
help
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 1b13c02..744b249 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -71,6 +71,7 @@ ifdef CONFIG_AQUANTIA_PHY_FW_DOWNLOAD
ifdef CONFIG_HWMON
aquantia-objs += aquantia_hwmon.o
endif
+obj-$(CONFIG_AIROHA_EN8811H_PHY) += air_en8811h.o
obj-$(CONFIG_AQUANTIA_PHY) += aquantia.o
obj-$(CONFIG_AX88796B_PHY) += ax88796b.o
obj-$(CONFIG_AT803X_PHY) += at803x.o
diff --git a/drivers/net/phy/air_en8811h.c b/drivers/net/phy/air_en8811h.c
new file mode 100644
index 0000000..cf564fc
--- /dev/null
+++ b/drivers/net/phy/air_en8811h.c
@@ -0,0 +1,702 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/* FILE NAME: air_en8811h.c
+ * PURPOSE:
+ * EN8811H phy driver for Linux
+ * NOTES:
+ *
+ */
+
+/* INCLUDE FILE DECLARATIONS
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/delay.h>
+#include <linux/version.h>
+#include <linux/firmware.h>
+#include <linux/crc32.h>
+
+#include "air_en8811h.h"
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 5, 0))
+#define phydev_mdio_bus(_dev) (_dev->bus)
+#define phydev_addr(_dev) (_dev->addr)
+#define phydev_dev(_dev) (&_dev->dev)
+#else
+#define phydev_mdio_bus(_dev) (_dev->mdio.bus)
+#define phydev_addr(_dev) (_dev->mdio.addr)
+#define phydev_dev(_dev) (&_dev->mdio.dev)
+#endif
+
+MODULE_DESCRIPTION("Airoha EN8811H PHY drivers");
+MODULE_AUTHOR("Airoha");
+MODULE_LICENSE("GPL");
+
+/*
+GPIO5 <-> BASE_T_LED0,
+GPIO4 <-> BASE_T_LED1,
+GPIO3 <-> BASE_T_LED2,
+*/
+/* User-defined.B */
+#define AIR_LED_SUPPORT
+#ifdef AIR_LED_SUPPORT
+static const AIR_BASE_T_LED_CFG_T led_cfg[3] =
+{
+ /*
+ * LED Enable, GPIO, LED Polarity, LED ON, LED Blink
+ */
+ {LED_ENABLE, AIR_LED0_GPIO5, AIR_ACTIVE_HIGH, BASE_T_LED0_ON_CFG, BASE_T_LED0_BLK_CFG}, /* BASE-T LED0 */
+ {LED_ENABLE, AIR_LED1_GPIO4, AIR_ACTIVE_HIGH, BASE_T_LED1_ON_CFG, BASE_T_LED1_BLK_CFG}, /* BASE-T LED1 */
+ {LED_ENABLE, AIR_LED2_GPIO3, AIR_ACTIVE_HIGH, BASE_T_LED2_ON_CFG, BASE_T_LED2_BLK_CFG}, /* BASE-T LED2 */
+};
+static const u16 led_dur = UNIT_LED_BLINK_DURATION << AIR_LED_BLK_DUR_64M;
+#endif
+/* User-defined.E */
+
+/************************************************************************
+* F U N C T I O N S
+************************************************************************/
+#if 0
+/* Airoha MII read function */
+static int air_mii_cl22_read(struct mii_bus *ebus, unsigned int phy_addr,unsigned int phy_register)
+{
+ int read_data;
+ read_data = mdiobus_read(ebus, phy_addr, phy_register);
+ return read_data;
+}
+#endif
+/* Airoha MII write function */
+static int air_mii_cl22_write(struct mii_bus *ebus, unsigned int phy_addr, unsigned int phy_register,unsigned int write_data)
+{
+ int ret = 0;
+ ret = mdiobus_write(ebus, phy_addr, phy_register, write_data);
+ return ret;
+}
+
+static int air_mii_cl45_read(struct phy_device *phydev, int devad, u16 reg)
+{
+ int ret = 0;
+ int data;
+ struct device *dev = phydev_dev(phydev);
+ ret = phy_write(phydev, MII_MMD_ACC_CTL_REG, devad);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return INVALID_DATA;
+ }
+ ret = phy_write(phydev, MII_MMD_ADDR_DATA_REG, reg);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return INVALID_DATA;
+ }
+ ret = phy_write(phydev, MII_MMD_ACC_CTL_REG, MMD_OP_MODE_DATA | devad);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return INVALID_DATA;
+ }
+ data = phy_read(phydev, MII_MMD_ADDR_DATA_REG);
+ return data;
+}
+
+static int air_mii_cl45_write(struct phy_device *phydev, int devad, u16 reg, u16 write_data)
+{
+ int ret = 0;
+ struct device *dev = phydev_dev(phydev);
+ ret = phy_write(phydev, MII_MMD_ACC_CTL_REG, devad);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, MII_MMD_ADDR_DATA_REG, reg);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, MII_MMD_ACC_CTL_REG, MMD_OP_MODE_DATA | devad);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, MII_MMD_ADDR_DATA_REG, write_data);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+/* Use default PBUS_PHY_ID */
+/* EN8811H PBUS write function */
+static int air_pbus_reg_write(struct phy_device *phydev, unsigned long pbus_address, unsigned long pbus_data)
+{
+ struct mii_bus *mbus = phydev_mdio_bus(phydev);
+ int addr = phydev_addr(phydev);
+ int ret = 0;
+ ret = air_mii_cl22_write(mbus, (addr + 8), 0x1F, (unsigned int)(pbus_address >> 6));
+ AIR_RTN_ERR(ret);
+ ret = air_mii_cl22_write(mbus, (addr + 8), (unsigned int)((pbus_address >> 2) & 0xf), (unsigned int)(pbus_data & 0xFFFF));
+ AIR_RTN_ERR(ret);
+ ret = air_mii_cl22_write(mbus, (addr + 8), 0x10, (unsigned int)(pbus_data >> 16));
+ AIR_RTN_ERR(ret);
+ return 0;
+}
+
+/* EN8811H BUCK write function */
+static int air_buckpbus_reg_write(struct phy_device *phydev, unsigned long pbus_address, unsigned int pbus_data)
+{
+ int ret = 0;
+ struct device *dev = phydev_dev(phydev);
+ ret = phy_write(phydev, 0x1F, (unsigned int)4); /* page 4 */
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x10, (unsigned int)0);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x11, (unsigned int)((pbus_address >> 16) & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x12, (unsigned int)(pbus_address & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x13, (unsigned int)((pbus_data >> 16) & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x14, (unsigned int)(pbus_data & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x1F, 0);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+/* EN8811H BUCK read function */
+static unsigned int air_buckpbus_reg_read(struct phy_device *phydev, unsigned long pbus_address)
+{
+ unsigned int pbus_data = 0, pbus_data_low, pbus_data_high;
+ int ret = 0;
+ struct device *dev = phydev_dev(phydev);
+ ret = phy_write(phydev, 0x1F, (unsigned int)4); /* page 4 */
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return PBUS_INVALID_DATA;
+ }
+ ret = phy_write(phydev, 0x10, (unsigned int)0);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return PBUS_INVALID_DATA;
+ }
+ ret = phy_write(phydev, 0x15, (unsigned int)((pbus_address >> 16) & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return PBUS_INVALID_DATA;
+ }
+ ret = phy_write(phydev, 0x16, (unsigned int)(pbus_address & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return PBUS_INVALID_DATA;
+ }
+
+ pbus_data_high = phy_read(phydev, 0x17);
+ pbus_data_low = phy_read(phydev, 0x18);
+ pbus_data = (pbus_data_high << 16) + pbus_data_low;
+ ret = phy_write(phydev, 0x1F, 0);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ return pbus_data;
+}
+
+static int MDIOWriteBuf(struct phy_device *phydev, unsigned long address, const struct firmware *fw)
+{
+ unsigned int write_data, offset ;
+ int ret = 0;
+ struct device *dev = phydev_dev(phydev);
+ ret = phy_write(phydev, 0x1F, (unsigned int)4); /* page 4 */
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x10, (unsigned int)0x8000); /* address increment*/
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x11, (unsigned int)((address >> 16) & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ ret = phy_write(phydev, 0x12, (unsigned int)(address & 0xffff));
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+
+ for (offset = 0; offset < fw->size; offset += 4)
+ {
+ write_data = (fw->data[offset + 3] << 8) | fw->data[offset + 2];
+ ret = phy_write(phydev, 0x13, write_data);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ write_data = (fw->data[offset + 1] << 8) | fw->data[offset];
+ ret = phy_write(phydev, 0x14, write_data);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ }
+ ret = phy_write(phydev, 0x1F, (unsigned int)0);
+ if (ret < 0) {
+ dev_err(dev, "phy_write, ret: %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int en8811h_load_firmware(struct phy_device *phydev)
+{
+ struct device *dev = phydev_dev(phydev);
+ const struct firmware *fw;
+ const char *firmware;
+ int ret = 0;
+ unsigned int crc32;
+ u32 pbus_value = 0;
+
+ ret = air_buckpbus_reg_write(phydev, 0x0f0018, 0x0);
+ AIR_RTN_ERR(ret);
+ pbus_value = air_buckpbus_reg_read(phydev, 0x800000);
+ pbus_value |= BIT(11);
+ ret = air_buckpbus_reg_write(phydev, 0x800000, pbus_value);
+ AIR_RTN_ERR(ret);
+ firmware = EN8811H_MD32_DM;
+ ret = request_firmware_direct(&fw, firmware, dev);
+ if (ret < 0) {
+ dev_info(dev, "failed to load firmware %s, ret: %d\n", firmware, ret);
+ return ret;
+ }
+ crc32 = ~crc32(~0, fw->data, fw->size);
+ dev_info(dev, "%s: crc32=0x%x\n", firmware, crc32);
+ /* Download DM */
+ ret = MDIOWriteBuf(phydev, 0x00000000, fw);
+ if (ret < 0) {
+ dev_info(dev, "MDIOWriteBuf 0x00000000 fail, ret: %d\n", ret);
+ return ret;
+ }
+ release_firmware(fw);
+
+ firmware = EN8811H_MD32_DSP;
+ ret = request_firmware_direct(&fw, firmware, dev);
+ if (ret < 0) {
+ dev_info(dev, "failed to load firmware %s, ret: %d\n", firmware, ret);
+ return ret;
+ }
+ crc32 = ~crc32(~0, fw->data, fw->size);
+ dev_info(dev, "%s: crc32=0x%x\n", firmware, crc32);
+ /* Download PM */
+ ret = MDIOWriteBuf(phydev, 0x00100000, fw);
+ if (ret < 0) {
+ dev_info(dev, "MDIOWriteBuf 0x00100000 fail , ret: %d\n", ret);
+ return ret;
+ }
+ release_firmware(fw);
+
+ pbus_value = air_buckpbus_reg_read(phydev, 0x800000);
+ pbus_value &= ~BIT(11);
+ ret = air_buckpbus_reg_write(phydev, 0x800000, pbus_value);
+ AIR_RTN_ERR(ret);
+ ret = air_buckpbus_reg_write(phydev, 0x0f0018, 0x01);
+ AIR_RTN_ERR(ret);
+ return 0;
+}
+
+#ifdef AIR_LED_SUPPORT
+static int airoha_led_set_usr_def(struct phy_device *phydev, u8 entity, int polar,
+ u16 on_evt, u16 blk_evt)
+{
+ int ret = 0;
+ if (AIR_ACTIVE_HIGH == polar) {
+ on_evt |= LED_ON_POL;
+ } else {
+ on_evt &= ~LED_ON_POL ;
+ }
+ ret = air_mii_cl45_write(phydev, 0x1f, LED_ON_CTRL(entity), on_evt | LED_ON_EN);
+ AIR_RTN_ERR(ret);
+ ret = air_mii_cl45_write(phydev, 0x1f, LED_BLK_CTRL(entity), blk_evt);
+ AIR_RTN_ERR(ret);
+ return 0;
+}
+
+static int airoha_led_set_mode(struct phy_device *phydev, u8 mode)
+{
+ u16 cl45_data;
+ int err = 0;
+ struct device *dev = phydev_dev(phydev);
+ cl45_data = air_mii_cl45_read(phydev, 0x1f, LED_BCR);
+ switch (mode) {
+ case AIR_LED_MODE_DISABLE:
+ cl45_data &= ~LED_BCR_EXT_CTRL;
+ cl45_data &= ~LED_BCR_MODE_MASK;
+ cl45_data |= LED_BCR_MODE_DISABLE;
+ break;
+ case AIR_LED_MODE_USER_DEFINE:
+ cl45_data |= LED_BCR_EXT_CTRL;
+ cl45_data |= LED_BCR_CLK_EN;
+ break;
+ default:
+ dev_err(dev, "LED mode%d is not supported!\n", mode);
+ return -EINVAL;
+ }
+ err = air_mii_cl45_write(phydev, 0x1f, LED_BCR, cl45_data);
+ AIR_RTN_ERR(err);
+ return 0;
+}
+
+static int airoha_led_set_state(struct phy_device *phydev, u8 entity, u8 state)
+{
+ u16 cl45_data = 0;
+ int err;
+
+ cl45_data = air_mii_cl45_read(phydev, 0x1f, LED_ON_CTRL(entity));
+ if (LED_ENABLE == state) {
+ cl45_data |= LED_ON_EN;
+ } else {
+ cl45_data &= ~LED_ON_EN;
+ }
+
+ err = air_mii_cl45_write(phydev, 0x1f, LED_ON_CTRL(entity), cl45_data);
+ AIR_RTN_ERR(err);
+ return 0;
+}
+
+static int en8811h_led_init(struct phy_device *phydev)
+{
+
+ unsigned long led_gpio = 0, reg_value = 0;
+ u16 cl45_data = led_dur;
+ int ret = 0, led_id;
+ struct device *dev = phydev_dev(phydev);
+ ret = air_mii_cl45_write(phydev, 0x1f, LED_BLK_DUR, cl45_data);
+ AIR_RTN_ERR(ret);
+ cl45_data >>= 1;
+ ret = air_mii_cl45_write(phydev, 0x1f, LED_ON_DUR, cl45_data);
+ AIR_RTN_ERR(ret);
+ ret = airoha_led_set_mode(phydev, AIR_LED_MODE_USER_DEFINE);
+ if (ret != 0) {
+ dev_err(dev, "LED fail to set mode, ret %d !\n", ret);
+ return ret;
+ }
+ for(led_id = 0; led_id < EN8811H_LED_COUNT; led_id++)
+ {
+ /* LED0 <-> GPIO5, LED1 <-> GPIO4, LED0 <-> GPIO3 */
+ if (led_cfg[led_id].gpio != (led_id + (AIR_LED0_GPIO5 - (2 * led_id))))
+ {
+ dev_err(dev, "LED%d uses incorrect GPIO%d !\n", led_id, led_cfg[led_id].gpio);
+ return -EINVAL;
+ }
+ ret = airoha_led_set_state(phydev, led_id, led_cfg[led_id].en);
+ if (ret != 0)
+ {
+ dev_err(dev, "LED fail to set state, ret %d !\n", ret);
+ return ret;
+ }
+ if (LED_ENABLE == led_cfg[led_id].en)
+ {
+ led_gpio |= BIT(led_cfg[led_id].gpio);
+ ret = airoha_led_set_usr_def(phydev, led_id, led_cfg[led_id].pol, led_cfg[led_id].on_cfg, led_cfg[led_id].blk_cfg);
+ if (ret != 0)
+ {
+ dev_err(dev, "LED fail to set default, ret %d !\n", ret);
+ return ret;
+ }
+ }
+ }
+ reg_value = air_buckpbus_reg_read(phydev, 0xcf8b8) | led_gpio;
+ ret = air_buckpbus_reg_write(phydev, 0xcf8b8, reg_value);
+ AIR_RTN_ERR(ret);
+
+ dev_info(dev, "LED initialize OK !\n");
+ return 0;
+}
+#endif /* AIR_LED_SUPPORT */
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 5, 0))
+static int en8811h_get_features(struct phy_device *phydev)
+{
+ int ret;
+ struct device *dev = phydev_dev(phydev);
+ dev_info(dev, "%s()\n", __func__);
+ ret = air_pbus_reg_write(phydev, 0xcf928 , 0x0);
+ AIR_RTN_ERR(ret);
+ ret = genphy_read_abilities(phydev);
+ if (ret)
+ return ret;
+
+ /* EN8811H supports 100M/1G/2.5G speed. */
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
+ phydev->supported);
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
+ phydev->supported);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+ phydev->supported);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+ phydev->supported);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ phydev->supported);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
+ phydev->supported);
+ return 0;
+}
+#endif
+static int en8811h_phy_probe(struct phy_device *phydev)
+{
+ int ret = 0;
+ int reg_value, pid1 = 0, pid2 = 0;
+ u32 pbus_value = 0, retry;
+ struct device *dev = phydev_dev(phydev);
+ ret = air_pbus_reg_write(phydev, 0xcf928 , 0x0);
+ AIR_RTN_ERR(ret);
+ pid1 = phy_read(phydev, MII_PHYSID1);
+ if (pid1 < 0)
+ return pid1;
+ pid2 = phy_read(phydev, MII_PHYSID2);
+ if (pid2 < 0)
+ return pid2;
+ dev_info(dev, "PHY = %x - %x\n", pid1, pid2);
+ if ((EN8811H_PHY_ID1 != pid1) || (EN8811H_PHY_ID2 != pid2))
+ {
+ dev_err(dev, "EN8811H dose not exist !\n");
+ return -ENODEV;
+ }
+ ret = en8811h_load_firmware(phydev);
+ if (ret)
+ {
+ dev_err(dev,"EN8811H load firmware fail.\n");
+ return ret;
+ }
+ retry = MAX_RETRY;
+ do {
+ mdelay(300);
+ reg_value = air_mii_cl45_read(phydev, 0x1e, 0x8009);
+ if (EN8811H_PHY_READY == reg_value)
+ {
+ dev_info(dev, "EN8811H PHY ready!\n");
+ break;
+ }
+ retry--;
+ } while (retry);
+ if (0 == retry)
+ {
+ dev_err(dev, "EN8811H initialize fail ! reg: 0x%x\n", reg_value);
+ return -EIO;
+ }
+ /* Mode selection*/
+ dev_info(dev, "EN8811H Mode 1 !\n");
+ ret = air_mii_cl45_write(phydev, 0x1e, 0x800c, 0x0);
+ AIR_RTN_ERR(ret);
+ ret = air_mii_cl45_write(phydev, 0x1e, 0x800d, 0x0);
+ AIR_RTN_ERR(ret);
+ ret = air_mii_cl45_write(phydev, 0x1e, 0x800e, 0x1101);
+ AIR_RTN_ERR(ret);
+ ret = air_mii_cl45_write(phydev, 0x1e, 0x800f, 0x0002);
+ AIR_RTN_ERR(ret);
+
+ /* Serdes polarity */
+ pbus_value = air_buckpbus_reg_read(phydev, 0xca0f8);
+ pbus_value = (pbus_value & 0xfffffffc) | EN8811H_RX_POLARITY_NORMAL | EN8811H_TX_POLARITY_NORMAL;
+ ret = air_buckpbus_reg_write(phydev, 0xca0f8, pbus_value);
+ AIR_RTN_ERR(ret);
+ pbus_value = air_buckpbus_reg_read(phydev, 0xca0f8);
+ dev_info(dev, "0xca0f8= 0x%x\n", pbus_value);
+ pbus_value = air_buckpbus_reg_read(phydev, 0x3b3c);
+ dev_info(dev, "Version(0x3b3c)= %x\n", pbus_value);
+#if defined(AIR_LED_SUPPORT)
+ ret = en8811h_led_init(phydev);
+ if (ret < 0)
+ {
+ dev_err(dev, "en8811h_led_init fail. (ret=%d)\n", ret);
+ return ret;
+ }
+#endif
+ dev_info(dev, "EN8811H initialize OK ! (%s)\n", EN8811H_FW_VERSION);
+ return 0;
+}
+
+static int en8811h_get_autonego(struct phy_device *phydev, int *an)
+{
+ int reg;
+ reg = phy_read(phydev, MII_BMCR);
+ if (reg < 0)
+ return -EINVAL;
+ if (reg & BMCR_ANENABLE)
+ *an = AUTONEG_ENABLE;
+ else
+ *an = AUTONEG_DISABLE;
+ return 0;
+}
+
+static int en8811h_read_status(struct phy_device *phydev)
+{
+ int ret = 0, lpagb = 0, lpa = 0, common_adv_gb = 0, common_adv = 0, advgb = 0, adv = 0, reg = 0, an = AUTONEG_DISABLE, bmcr = 0;
+ int old_link = phydev->link;
+ u32 pbus_value = 0;
+ struct device *dev = phydev_dev(phydev);
+ ret = genphy_update_link(phydev);
+ if (ret)
+ {
+ dev_err(dev, "ret %d!\n", ret);
+ return ret;
+ }
+
+ if (old_link && phydev->link)
+ return 0;
+
+ phydev->speed = SPEED_UNKNOWN;
+ phydev->duplex = DUPLEX_UNKNOWN;
+ phydev->pause = 0;
+ phydev->asym_pause = 0;
+
+ reg = phy_read(phydev, MII_BMSR);
+ if (reg < 0)
+ {
+ dev_err(dev, "MII_BMSR reg %d!\n", reg);
+ return reg;
+ }
+ reg = phy_read(phydev, MII_BMSR);
+ if (reg < 0)
+ {
+ dev_err(dev, "MII_BMSR reg %d!\n", reg);
+ return reg;
+ }
+ if(reg & BMSR_LSTATUS)
+ {
+ pbus_value = air_buckpbus_reg_read(phydev, 0x109D4);
+ if (0x10 & pbus_value) {
+ phydev->speed = SPEED_2500;
+ phydev->duplex = DUPLEX_FULL;
+ }
+ else
+ {
+ ret = en8811h_get_autonego(phydev, &an);
+ if ((AUTONEG_ENABLE == an) && (0 == ret))
+ {
+ dev_dbg(dev, "AN mode!\n");
+ dev_dbg(dev, "SPEED 1000/100!\n");
+ lpagb = phy_read(phydev, MII_STAT1000);
+ if (lpagb < 0 )
+ return lpagb;
+ advgb = phy_read(phydev, MII_CTRL1000);
+ if (adv < 0 )
+ return adv;
+ common_adv_gb = (lpagb & (advgb << 2));
+
+ lpa = phy_read(phydev, MII_LPA);
+ if (lpa < 0 )
+ return lpa;
+ adv = phy_read(phydev, MII_ADVERTISE);
+ if (adv < 0 )
+ return adv;
+ common_adv = (lpa & adv);
+
+ phydev->speed = SPEED_10;
+ phydev->duplex = DUPLEX_HALF;
+ if (common_adv_gb & (LPA_1000FULL | LPA_1000HALF))
+ {
+ phydev->speed = SPEED_1000;
+ if (common_adv_gb & LPA_1000FULL)
+
+ phydev->duplex = DUPLEX_FULL;
+ }
+ else if (common_adv & (LPA_100FULL | LPA_100HALF))
+ {
+ phydev->speed = SPEED_100;
+ if (common_adv & LPA_100FULL)
+ phydev->duplex = DUPLEX_FULL;
+ }
+ else
+ {
+ if (common_adv & LPA_10FULL)
+ phydev->duplex = DUPLEX_FULL;
+ }
+ }
+ else
+ {
+ dev_dbg(dev, "Force mode!\n");
+ bmcr = phy_read(phydev, MII_BMCR);
+
+ if (bmcr < 0)
+ return bmcr;
+
+ if (bmcr & BMCR_FULLDPLX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ if (bmcr & BMCR_SPEED1000)
+ phydev->speed = SPEED_1000;
+ else if (bmcr & BMCR_SPEED100)
+ phydev->speed = SPEED_100;
+ else
+ phydev->speed = SPEED_UNKNOWN;
+ }
+ }
+ }
+
+ return ret;
+}
+static struct phy_driver en8811h_driver[] = {
+{
+ .phy_id = EN8811H_PHY_ID,
+ .name = "Airoha EN8811H",
+ .phy_id_mask = 0x0ffffff0,
+ .probe = en8811h_phy_probe,
+ .read_status = en8811h_read_status,
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 5, 0))
+ .get_features = en8811h_get_features,
+ .read_mmd = air_mii_cl45_read,
+ .write_mmd = air_mii_cl45_write,
+#endif
+} };
+
+int __init en8811h_phy_driver_register(void)
+{
+ int ret;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 5, 0))
+ ret = phy_driver_register(en8811h_driver);
+#else
+ ret = phy_driver_register(en8811h_driver, THIS_MODULE);
+#endif
+ if (!ret)
+ return 0;
+
+ phy_driver_unregister(en8811h_driver);
+ return ret;
+}
+
+void __exit en8811h_phy_driver_unregister(void)
+{
+ phy_driver_unregister(en8811h_driver);
+}
+
+module_init(en8811h_phy_driver_register);
+module_exit(en8811h_phy_driver_unregister);
diff --git a/drivers/net/phy/air_en8811h.h b/drivers/net/phy/air_en8811h.h
new file mode 100644
index 0000000..1c91627
--- /dev/null
+++ b/drivers/net/phy/air_en8811h.h
@@ -0,0 +1,151 @@
+#ifndef __EN8811H_H
+#define __EN8811H_H
+
+#define EN8811H_MD32_DM "EthMD32.dm.bin"
+#define EN8811H_MD32_DSP "EthMD32.DSP.bin"
+
+#define EN8811H_PHY_ID1 0x03a2
+#define EN8811H_PHY_ID2 0xa411
+#define EN8811H_PHY_ID ((EN8811H_PHY_ID1 << 16) | EN8811H_PHY_ID2)
+#define EN8811H_PHY_READY 0x02
+#define MAX_RETRY 5
+
+#define EN8811H_TX_POLARITY_NORMAL 0x1
+#define EN8811H_TX_POLARITY_REVERSE 0x0
+
+#define EN8811H_RX_POLARITY_REVERSE (0x1 << 1)
+#define EN8811H_RX_POLARITY_NORMAL (0x0 << 1)
+
+
+/*
+The following led_cfg example is for reference only.
+LED0 Link 2500/Blink 2500 TxRx (GPIO5) <-> BASE_T_LED0,
+LED1 Link 1000/Blink 1000 TxRx (GPIO4) <-> BASE_T_LED1,
+LED2 Link 100 /Blink 100 TxRx (GPIO3) <-> BASE_T_LED2,
+*/
+/* User-defined.B */
+#define BASE_T_LED0_ON_CFG (LED_ON_EVT_LINK_2500M)
+#define BASE_T_LED0_BLK_CFG (LED_BLK_EVT_2500M_TX_ACT | LED_BLK_EVT_2500M_RX_ACT)
+#define BASE_T_LED1_ON_CFG (LED_ON_EVT_LINK_1000M)
+#define BASE_T_LED1_BLK_CFG (LED_BLK_EVT_1000M_TX_ACT | LED_BLK_EVT_1000M_RX_ACT)
+#define BASE_T_LED2_ON_CFG (LED_ON_EVT_LINK_100M)
+#define BASE_T_LED2_BLK_CFG (LED_BLK_EVT_100M_TX_ACT | LED_BLK_EVT_100M_RX_ACT)
+/* User-defined.E */
+
+/* CL45 MDIO control */
+#define MII_MMD_ACC_CTL_REG 0x0d
+#define MII_MMD_ADDR_DATA_REG 0x0e
+#define MMD_OP_MODE_DATA BIT(14)
+
+#define EN8811H_FW_VERSION "1.1.3"
+
+#define LED_ON_CTRL(i) (0x024 + ((i)*2))
+#define LED_ON_EN (1 << 15)
+#define LED_ON_POL (1 << 14)
+#define LED_ON_EVT_MASK (0x1ff)
+/* LED ON Event Option.B */
+#define LED_ON_EVT_LINK_2500M (1 << 8)
+#define LED_ON_EVT_FORCE (1 << 6)
+#define LED_ON_EVT_LINK_DOWN (1 << 3)
+#define LED_ON_EVT_LINK_100M (1 << 1)
+#define LED_ON_EVT_LINK_1000M (1 << 0)
+/* LED ON Event Option.E */
+
+#define LED_BLK_CTRL(i) (0x025 + ((i)*2))
+#define LED_BLK_EVT_MASK (0xfff)
+/* LED Blinking Event Option.B*/
+#define LED_BLK_EVT_2500M_RX_ACT (1 << 11)
+#define LED_BLK_EVT_2500M_TX_ACT (1 << 10)
+#define LED_BLK_EVT_FORCE (1 << 9)
+#define LED_BLK_EVT_100M_RX_ACT (1 << 3)
+#define LED_BLK_EVT_100M_TX_ACT (1 << 2)
+#define LED_BLK_EVT_1000M_RX_ACT (1 << 1)
+#define LED_BLK_EVT_1000M_TX_ACT (1 << 0)
+/* LED Blinking Event Option.E*/
+#define LED_ENABLE 1
+#define LED_DISABLE 0
+
+#define EN8811H_LED_COUNT 3
+
+#define LED_BCR (0x021)
+#define LED_BCR_EXT_CTRL (1 << 15)
+#define LED_BCR_CLK_EN (1 << 3)
+#define LED_BCR_TIME_TEST (1 << 2)
+#define LED_BCR_MODE_MASK (3)
+#define LED_BCR_MODE_DISABLE (0)
+
+#define LED_ON_DUR (0x022)
+#define LED_ON_DUR_MASK (0xffff)
+
+#define LED_BLK_DUR (0x023)
+#define LED_BLK_DUR_MASK (0xffff)
+
+#define UNIT_LED_BLINK_DURATION 1024
+
+#define AIR_RTN_ON_ERR(cond, err) \
+ do { if ((cond)) return (err); } while(0)
+
+#define AIR_RTN_ERR(err) AIR_RTN_ON_ERR(err < 0, err)
+
+#define LED_SET_EVT(reg, cod, result, bit) do \
+ { \
+ if(reg & cod) { \
+ result |= bit; \
+ } \
+ } while(0)
+
+#define LED_SET_GPIO_SEL(gpio, led, val) do \
+ { \
+ val |= (led << (8 * (gpio % 4))); \
+ } while(0)
+
+#define INVALID_DATA 0xffff
+#define PBUS_INVALID_DATA 0xffffffff
+
+typedef struct AIR_BASE_T_LED_CFG_S
+{
+ u16 en;
+ u16 gpio;
+ u16 pol;
+ u16 on_cfg;
+ u16 blk_cfg;
+}AIR_BASE_T_LED_CFG_T;
+typedef enum
+{
+ AIR_LED2_GPIO3 = 3,
+ AIR_LED1_GPIO4,
+ AIR_LED0_GPIO5,
+ AIR_LED_LAST
+} AIR_LED_GPIO;
+
+typedef enum {
+ AIR_BASE_T_LED0,
+ AIR_BASE_T_LED1,
+ AIR_BASE_T_LED2,
+ AIR_BASE_T_LED3
+}AIR_BASE_T_LED;
+
+typedef enum
+{
+ AIR_LED_BLK_DUR_32M,
+ AIR_LED_BLK_DUR_64M,
+ AIR_LED_BLK_DUR_128M,
+ AIR_LED_BLK_DUR_256M,
+ AIR_LED_BLK_DUR_512M,
+ AIR_LED_BLK_DUR_1024M,
+ AIR_LED_BLK_DUR_LAST
+} AIR_LED_BLK_DUT_T;
+
+typedef enum
+{
+ AIR_ACTIVE_LOW,
+ AIR_ACTIVE_HIGH,
+} AIR_LED_POLARITY;
+typedef enum
+{
+ AIR_LED_MODE_DISABLE,
+ AIR_LED_MODE_USER_DEFINE,
+ AIR_LED_MODE_LAST
+} AIR_LED_MODE_T;
+
+#endif /* End of __EN8811H_MD32_H */