X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fmiiphy.h;h=8b77bac01e6ada2c8794134f67d23d39458e50e2;hb=7cfbba36e9f84312afe8cd6d12db4e9e9c1e04b5;hp=ca5040ed8d409f695154c4fb42ba8f75e230c8b5;hpb=f6add132f6d7f45eb7d4b3839513c38bfb28eb08;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/miiphy.h b/include/miiphy.h index ca5040e..8b77bac 100644 --- a/include/miiphy.h +++ b/include/miiphy.h @@ -1,27 +1,7 @@ -/*----------------------------------------------------------------------------+ -| This source code is dual-licensed. You may use it under the terms of the -| GNU General Public License version 2, or under the license below. -| -| This source code has been made available to you by IBM on an AS-IS -| basis. Anyone receiving this source is licensed under IBM -| copyrights to use it in any way he or she deems fit, including -| copying it, modifying it, compiling it, and redistributing it either -| with or without modifications. No license under IBM patents or -| patent applications is to be implied by the copyright license. -| -| Any user of this software should understand that IBM cannot provide -| technical support for this software and will not be responsible for -| any consequences resulting from the use of this software. -| -| Any person who transfers this source code or any derivative work -| must include the IBM copyright notice, this paragraph, and the -| preceding two paragraphs in the transferred software. -| -| COPYRIGHT I B M CORPORATION 1999 -| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M -| -| Additions (C) Copyright 2009 Industrie Dial Face S.p.A. -+----------------------------------------------------------------------------*/ +/* SPDX-License-Identifier: GPL-2.0 OR IBM-pibs */ +/* + * Additions (C) Copyright 2009 Industrie Dial Face S.p.A. + */ /*----------------------------------------------------------------------------+ | | File Name: miiphy.h @@ -40,13 +20,6 @@ #include #include -struct legacy_mii_dev { - int (*read)(const char *devname, unsigned char addr, - unsigned char reg, unsigned short *value); - int (*write)(const char *devname, unsigned char addr, - unsigned char reg, unsigned short value); -}; - int miiphy_read(const char *devname, unsigned char addr, unsigned char reg, unsigned short *value); int miiphy_write(const char *devname, unsigned char addr, unsigned char reg, @@ -63,22 +36,28 @@ int miiphy_link(const char *devname, unsigned char addr); void miiphy_init(void); -void miiphy_register(const char *devname, - int (*read)(const char *devname, unsigned char addr, - unsigned char reg, unsigned short *value), - int (*write)(const char *devname, unsigned char addr, - unsigned char reg, unsigned short value)); - int miiphy_set_current_dev(const char *devname); const char *miiphy_get_current_dev(void); struct mii_dev *mdio_get_current_dev(void); +struct list_head *mdio_get_list_head(void); struct mii_dev *miiphy_get_dev_by_name(const char *devname); struct phy_device *mdio_phydev_for_ethname(const char *devname); void miiphy_listdev(void); struct mii_dev *mdio_alloc(void); +void mdio_free(struct mii_dev *bus); int mdio_register(struct mii_dev *bus); + +/** + * mdio_register_seq - Register mdio bus with sequence number + * @bus: mii device structure + * @seq: sequence number + * + * Return: 0 if success, negative value if error + */ +int mdio_register_seq(struct mii_dev *bus, int seq); +int mdio_unregister(struct mii_dev *bus); void mdio_list_devices(void); #ifdef CONFIG_BITBANGMII @@ -102,11 +81,18 @@ struct bb_miiphy_bus { extern struct bb_miiphy_bus bb_miiphy_buses[]; extern int bb_miiphy_buses_num; -void bb_miiphy_init(void); -int bb_miiphy_read(const char *devname, unsigned char addr, - unsigned char reg, unsigned short *value); -int bb_miiphy_write(const char *devname, unsigned char addr, - unsigned char reg, unsigned short value); +/** + * bb_miiphy_init() - Initialize bit-banged MII bus driver + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int bb_miiphy_init(void); + +int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg); +int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg, + u16 value); #endif /* phy seed setup */ @@ -140,4 +126,85 @@ int bb_miiphy_write(const char *devname, unsigned char addr, #define ESTATUS_1000XF 0x8000 #define ESTATUS_1000XH 0x4000 +#ifdef CONFIG_DM_MDIO + +/** + * struct mdio_perdev_priv - Per-device class data for MDIO DM + * + * @mii_bus: Supporting MII legacy bus + */ +struct mdio_perdev_priv { + struct mii_dev *mii_bus; +}; + +/** + * struct mdio_ops - MDIO bus operations + * + * @read: Read from a PHY register + * @write: Write to a PHY register + * @reset: Reset the MDIO bus, NULL if not supported + */ +struct mdio_ops { + int (*read)(struct udevice *mdio_dev, int addr, int devad, int reg); + int (*write)(struct udevice *mdio_dev, int addr, int devad, int reg, + u16 val); + int (*reset)(struct udevice *mdio_dev); +}; + +#define mdio_get_ops(dev) ((struct mdio_ops *)(dev)->driver->ops) + +/** + * dm_mdio_probe_devices - Call probe on all MII devices, currently used for + * MDIO console commands. + */ +void dm_mdio_probe_devices(void); + +/** + * dm_mdio_phy_connect - Wrapper over phy_connect for DM MDIO + * + * @mdiodev: mdio device the PHY is accesible on + * @phyaddr: PHY address on MDIO bus + * @ethdev: ethernet device to connect to the PHY + * @interface: MAC-PHY protocol + * + * @return pointer to phy_device, or 0 on error + */ +struct phy_device *dm_mdio_phy_connect(struct udevice *mdiodev, int phyaddr, + struct udevice *ethdev, + phy_interface_t interface); + +/** + * dm_eth_phy_connect - Connect an Eth device to a PHY based on device tree + * + * Picks up the DT phy-handle and phy-mode from ethernet device node and + * connects the ethernet device to the linked PHY. + * + * @ethdev: ethernet device + * + * @return pointer to phy_device, or 0 on error + */ +struct phy_device *dm_eth_phy_connect(struct udevice *ethdev); + +#endif + +#ifdef CONFIG_DM_MDIO_MUX + +/* indicates none of the child buses is selected */ +#define MDIO_MUX_SELECT_NONE -1 + +/** + * struct mdio_mux_ops - MDIO MUX operations + * + * @select: Selects a child bus + * @deselect: Clean up selection. Optional, can be NULL + */ +struct mdio_mux_ops { + int (*select)(struct udevice *mux, int cur, int sel); + int (*deselect)(struct udevice *mux, int sel); +}; + +#define mdio_mux_get_ops(dev) ((struct mdio_mux_ops *)(dev)->driver->ops) + +#endif + #endif