// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2014-2015 Hisilicon Limited. */ #include <linux/acpi.h> #include <linux/errno.h> #include <linux/etherdevice.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/netdevice.h> #include <linux/of_address.h> #include <linux/of.h> #include <linux/of_mdio.h> #include <linux/of_platform.h> #include <linux/phy.h> #include <linux/platform_device.h> #include <linux/regmap.h> #define MDIO_DRV_NAME … #define MDIO_BUS_NAME … #define MDIO_TIMEOUT … struct hns_mdio_sc_reg { … }; struct hns_mdio_device { … }; /* mdio reg */ #define MDIO_COMMAND_REG … #define MDIO_ADDR_REG … #define MDIO_WDATA_REG … #define MDIO_RDATA_REG … #define MDIO_STA_REG … /* cfg phy bit map */ #define MDIO_CMD_DEVAD_M … #define MDIO_CMD_DEVAD_S … #define MDIO_CMD_PRTAD_M … #define MDIO_CMD_PRTAD_S … #define MDIO_CMD_OP_S … #define MDIO_CMD_ST_S … #define MDIO_CMD_START_B … #define MDIO_ADDR_DATA_M … #define MDIO_ADDR_DATA_S … #define MDIO_WDATA_DATA_M … #define MDIO_WDATA_DATA_S … #define MDIO_RDATA_DATA_M … #define MDIO_RDATA_DATA_S … #define MDIO_STATE_STA_B … enum mdio_st_clause { … }; enum mdio_c22_op_seq { … }; enum mdio_c45_op_seq { … }; /* peri subctrl reg */ #define MDIO_SC_CLK_EN … #define MDIO_SC_CLK_DIS … #define MDIO_SC_RESET_REQ … #define MDIO_SC_RESET_DREQ … #define MDIO_SC_CLK_ST … #define MDIO_SC_RESET_ST … static void mdio_write_reg(u8 __iomem *base, u32 reg, u32 value) { … } #define MDIO_WRITE_REG(a, reg, value) … static u32 mdio_read_reg(u8 __iomem *base, u32 reg) { … } #define mdio_set_field(origin, mask, shift, val) … #define mdio_get_field(origin, mask, shift) … static void mdio_set_reg_field(u8 __iomem *base, u32 reg, u32 mask, u32 shift, u32 val) { … } #define MDIO_SET_REG_FIELD(dev, reg, mask, shift, val) … static u32 mdio_get_reg_field(u8 __iomem *base, u32 reg, u32 mask, u32 shift) { … } #define MDIO_GET_REG_FIELD(dev, reg, mask, shift) … #define MDIO_GET_REG_BIT(dev, reg, bit) … #define MDIO_CHECK_SET_ST … #define MDIO_CHECK_CLR_ST … static int mdio_sc_cfg_reg_write(struct hns_mdio_device *mdio_dev, u32 cfg_reg, u32 set_val, u32 st_reg, u32 st_msk, u8 check_st) { … } static int hns_mdio_wait_ready(struct mii_bus *bus) { … } static void hns_mdio_cmd_write(struct hns_mdio_device *mdio_dev, u8 is_c45, u8 op, u8 phy_id, u16 cmd) { … } /** * hns_mdio_write_c22 - access phy register * @bus: mdio bus * @phy_id: phy id * @regnum: register num * @data: register value * * Return 0 on success, negative on failure */ static int hns_mdio_write_c22(struct mii_bus *bus, int phy_id, int regnum, u16 data) { … } /** * hns_mdio_write_c45 - access phy register * @bus: mdio bus * @phy_id: phy id * @devad: device address to read * @regnum: register num * @data: register value * * Return 0 on success, negative on failure */ static int hns_mdio_write_c45(struct mii_bus *bus, int phy_id, int devad, int regnum, u16 data) { … } /** * hns_mdio_read_c22 - access phy register * @bus: mdio bus * @phy_id: phy id * @regnum: register num * * Return phy register value */ static int hns_mdio_read_c22(struct mii_bus *bus, int phy_id, int regnum) { … } /** * hns_mdio_read_c45 - access phy register * @bus: mdio bus * @phy_id: phy id * @devad: device address to read * @regnum: register num * * Return phy register value */ static int hns_mdio_read_c45(struct mii_bus *bus, int phy_id, int devad, int regnum) { … } /** * hns_mdio_reset - reset mdio bus * @bus: mdio bus * * Return 0 on success, negative on failure */ static int hns_mdio_reset(struct mii_bus *bus) { … } /** * hns_mdio_probe - probe mdio device * @pdev: mdio platform device * * Return 0 on success, negative on failure */ static int hns_mdio_probe(struct platform_device *pdev) { … } /** * hns_mdio_remove - remove mdio device * @pdev: mdio platform device * * Return 0 on success, negative on failure */ static void hns_mdio_remove(struct platform_device *pdev) { … } static const struct of_device_id hns_mdio_match[] = …; MODULE_DEVICE_TABLE(of, hns_mdio_match); static const struct acpi_device_id hns_mdio_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, hns_mdio_acpi_match); static struct platform_driver hns_mdio_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_ALIAS(…) …;
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