2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Andy Fleming <afleming@gmail.com>
5 * SPDX-License-Identifier: GPL-2.0+
7 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
13 #include <linux/list.h>
14 #include <linux/mii.h>
15 #include <linux/ethtool.h>
16 #include <linux/mdio.h>
18 #define PHY_MAX_ADDR 32
20 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
24 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
25 SUPPORTED_10baseT_Full)
27 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
28 SUPPORTED_100baseT_Full)
30 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
31 SUPPORTED_1000baseT_Full)
33 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
34 PHY_100BT_FEATURES | \
37 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
40 #define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
41 SUPPORTED_10000baseT_Full)
43 #ifndef PHY_ANEG_TIMEOUT
44 #define PHY_ANEG_TIMEOUT 4000
49 PHY_INTERFACE_MODE_MII,
50 PHY_INTERFACE_MODE_GMII,
51 PHY_INTERFACE_MODE_SGMII,
52 PHY_INTERFACE_MODE_SGMII_2500,
53 PHY_INTERFACE_MODE_QSGMII,
54 PHY_INTERFACE_MODE_TBI,
55 PHY_INTERFACE_MODE_RMII,
56 PHY_INTERFACE_MODE_RGMII,
57 PHY_INTERFACE_MODE_RGMII_ID,
58 PHY_INTERFACE_MODE_RGMII_RXID,
59 PHY_INTERFACE_MODE_RGMII_TXID,
60 PHY_INTERFACE_MODE_RTBI,
61 PHY_INTERFACE_MODE_XGMII,
62 PHY_INTERFACE_MODE_NONE, /* Must be last */
64 PHY_INTERFACE_MODE_COUNT,
67 static const char *phy_interface_strings[] = {
68 [PHY_INTERFACE_MODE_MII] = "mii",
69 [PHY_INTERFACE_MODE_GMII] = "gmii",
70 [PHY_INTERFACE_MODE_SGMII] = "sgmii",
71 [PHY_INTERFACE_MODE_SGMII_2500] = "sgmii-2500",
72 [PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
73 [PHY_INTERFACE_MODE_TBI] = "tbi",
74 [PHY_INTERFACE_MODE_RMII] = "rmii",
75 [PHY_INTERFACE_MODE_RGMII] = "rgmii",
76 [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
77 [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
78 [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
79 [PHY_INTERFACE_MODE_RTBI] = "rtbi",
80 [PHY_INTERFACE_MODE_XGMII] = "xgmii",
81 [PHY_INTERFACE_MODE_NONE] = "",
84 static inline const char *phy_string_for_interface(phy_interface_t i)
86 /* Default to unknown */
87 if (i > PHY_INTERFACE_MODE_NONE)
88 i = PHY_INTERFACE_MODE_NONE;
90 return phy_interface_strings[i];
96 #define MDIO_NAME_LEN 32
99 struct list_head link;
100 char name[MDIO_NAME_LEN];
102 int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
103 int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
105 int (*reset)(struct mii_dev *bus);
106 struct phy_device *phymap[PHY_MAX_ADDR];
110 /* struct phy_driver: a structure which defines PHY behavior
112 * uid will contain a number which represents the PHY. During
113 * startup, the driver will poll the PHY to find out what its
114 * UID--as defined by registers 2 and 3--is. The 32-bit result
115 * gotten from the PHY will be masked to
116 * discard any bits which may change based on revision numbers
117 * unimportant to functionality
128 /* Called to do any driver startup necessities */
129 /* Will be called during phy_connect */
130 int (*probe)(struct phy_device *phydev);
132 /* Called to configure the PHY, and modify the controller
133 * based on the results. Should be called after phy_connect */
134 int (*config)(struct phy_device *phydev);
136 /* Called when starting up the controller */
137 int (*startup)(struct phy_device *phydev);
139 /* Called when bringing down the controller */
140 int (*shutdown)(struct phy_device *phydev);
142 int (*readext)(struct phy_device *phydev, int addr, int devad, int reg);
143 int (*writeext)(struct phy_device *phydev, int addr, int devad, int reg,
145 struct list_head list;
149 /* Information about the PHY type */
150 /* And management functions */
152 struct phy_driver *drv;
158 struct eth_device *dev;
161 /* forced speed & duplex (no autoneg)
162 * partner speed & duplex & pause (autoneg)
167 /* The most recently read link state */
170 phy_interface_t interface;
192 static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
194 struct mii_dev *bus = phydev->bus;
196 return bus->read(bus, phydev->addr, devad, regnum);
199 static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
202 struct mii_dev *bus = phydev->bus;
204 return bus->write(bus, phydev->addr, devad, regnum, val);
207 #ifdef CONFIG_PHYLIB_10G
208 extern struct phy_driver gen10g_driver;
210 /* For now, XGMII is the only 10G interface */
211 static inline int is_10g_interface(phy_interface_t interface)
213 return interface == PHY_INTERFACE_MODE_XGMII;
219 int phy_reset(struct phy_device *phydev);
220 struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
221 phy_interface_t interface);
223 void phy_connect_dev(struct phy_device *phydev, struct udevice *dev);
224 struct phy_device *phy_connect(struct mii_dev *bus, int addr,
226 phy_interface_t interface);
228 void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev);
229 struct phy_device *phy_connect(struct mii_dev *bus, int addr,
230 struct eth_device *dev,
231 phy_interface_t interface);
233 int phy_startup(struct phy_device *phydev);
234 int phy_config(struct phy_device *phydev);
235 int phy_shutdown(struct phy_device *phydev);
236 int phy_register(struct phy_driver *drv);
237 int genphy_config_aneg(struct phy_device *phydev);
238 int genphy_restart_aneg(struct phy_device *phydev);
239 int genphy_update_link(struct phy_device *phydev);
240 int genphy_parse_link(struct phy_device *phydev);
241 int genphy_config(struct phy_device *phydev);
242 int genphy_startup(struct phy_device *phydev);
243 int genphy_shutdown(struct phy_device *phydev);
244 int gen10g_config(struct phy_device *phydev);
245 int gen10g_startup(struct phy_device *phydev);
246 int gen10g_shutdown(struct phy_device *phydev);
247 int gen10g_discover_mmds(struct phy_device *phydev);
249 int phy_aquantia_init(void);
250 int phy_atheros_init(void);
251 int phy_broadcom_init(void);
252 int phy_cortina_init(void);
253 int phy_davicom_init(void);
254 int phy_et1011c_init(void);
255 int phy_lxt_init(void);
256 int phy_marvell_init(void);
257 int phy_micrel_init(void);
258 int phy_natsemi_init(void);
259 int phy_realtek_init(void);
260 int phy_smsc_init(void);
261 int phy_teranetics_init(void);
262 int phy_ti_init(void);
263 int phy_vitesse_init(void);
265 int board_phy_config(struct phy_device *phydev);
266 int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id);
269 * phy_get_interface_by_name() - Look up a PHY interface name
271 * @str: PHY interface name, e.g. "mii"
272 * @return PHY_INTERFACE_MODE_... value, or -1 if not found
274 int phy_get_interface_by_name(const char *str);
276 /* PHY UIDs for various PHYs that are referenced in external code */
277 #define PHY_UID_CS4340 0x13e51002
278 #define PHY_UID_TN2020 0x00a19410