1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/mdio.h: definitions for MDIO (clause 45) transceivers 4 * Copyright 2006-2009 Solarflare Communications Inc. 5 */ 6 #ifndef __LINUX_MDIO_H__ 7 #define __LINUX_MDIO_H__ 8 9 #include <uapi/linux/mdio.h> 10 #include <linux/bitfield.h> 11 #include <linux/mod_devicetable.h> 12 13 struct gpio_desc; 14 struct mii_bus; 15 struct reset_control; 16 17 /* Multiple levels of nesting are possible. However typically this is 18 * limited to nested DSA like layer, a MUX layer, and the normal 19 * user. Instead of trying to handle the general case, just define 20 * these cases. 21 */ 22 enum mdio_mutex_lock_class { 23 MDIO_MUTEX_NORMAL, 24 MDIO_MUTEX_MUX, 25 MDIO_MUTEX_NESTED, 26 }; 27 28 struct mdio_device { 29 struct device dev; 30 31 struct mii_bus *bus; 32 33 int (*bus_match)(struct device *dev, const struct device_driver *drv); 34 void (*device_free)(struct mdio_device *mdiodev); 35 void (*device_remove)(struct mdio_device *mdiodev); 36 37 /* Bus address of the MDIO device (0-31) */ 38 int addr; 39 int flags; 40 int reset_state; 41 struct gpio_desc *reset_gpio; 42 struct reset_control *reset_ctrl; 43 unsigned int reset_assert_delay; 44 unsigned int reset_deassert_delay; 45 }; 46 47 #define to_mdio_device(__dev) container_of_const(__dev, struct mdio_device, dev) 48 49 /* struct mdio_driver_common: Common to all MDIO drivers */ 50 struct mdio_driver_common { 51 struct device_driver driver; 52 int flags; 53 }; 54 #define MDIO_DEVICE_FLAG_PHY 1 55 56 #define to_mdio_common_driver(__drv_c) container_of_const(__drv_c, struct mdio_driver_common, \ 57 driver) 58 59 /* struct mdio_driver: Generic MDIO driver */ 60 struct mdio_driver { 61 struct mdio_driver_common mdiodrv; 62 63 /* 64 * Called during discovery. Used to set 65 * up device-specific structures, if any 66 */ 67 int (*probe)(struct mdio_device *mdiodev); 68 69 /* Clears up any memory if needed */ 70 void (*remove)(struct mdio_device *mdiodev); 71 72 /* Quiesces the device on system shutdown, turns off interrupts etc */ 73 void (*shutdown)(struct mdio_device *mdiodev); 74 }; 75 76 #define to_mdio_driver(__drv_m) container_of_const(to_mdio_common_driver(__drv_m), \ 77 struct mdio_driver, mdiodrv) 78 79 /* device driver data */ 80 static inline void mdiodev_set_drvdata(struct mdio_device *mdio, void *data) 81 { 82 dev_set_drvdata(&mdio->dev, data); 83 } 84 85 static inline void *mdiodev_get_drvdata(struct mdio_device *mdio) 86 { 87 return dev_get_drvdata(&mdio->dev); 88 } 89 90 void mdio_device_free(struct mdio_device *mdiodev); 91 struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr); 92 int mdio_device_register(struct mdio_device *mdiodev); 93 void mdio_device_remove(struct mdio_device *mdiodev); 94 void mdio_device_reset(struct mdio_device *mdiodev, int value); 95 int mdio_driver_register(struct mdio_driver *drv); 96 void mdio_driver_unregister(struct mdio_driver *drv); 97 98 static inline void mdio_device_get(struct mdio_device *mdiodev) 99 { 100 get_device(&mdiodev->dev); 101 } 102 103 static inline void mdio_device_put(struct mdio_device *mdiodev) 104 { 105 mdio_device_free(mdiodev); 106 } 107 108 static inline bool mdio_phy_id_is_c45(int phy_id) 109 { 110 return (phy_id & MDIO_PHY_ID_C45) && !(phy_id & ~MDIO_PHY_ID_C45_MASK); 111 } 112 113 static inline __u16 mdio_phy_id_prtad(int phy_id) 114 { 115 return (phy_id & MDIO_PHY_ID_PRTAD) >> 5; 116 } 117 118 static inline __u16 mdio_phy_id_devad(int phy_id) 119 { 120 return phy_id & MDIO_PHY_ID_DEVAD; 121 } 122 123 /** 124 * struct mdio_if_info - Ethernet controller MDIO interface 125 * @prtad: PRTAD of the PHY (%MDIO_PRTAD_NONE if not present/unknown) 126 * @mmds: Mask of MMDs expected to be present in the PHY. This must be 127 * non-zero unless @prtad = %MDIO_PRTAD_NONE. 128 * @mode_support: MDIO modes supported. If %MDIO_SUPPORTS_C22 is set then 129 * MII register access will be passed through with @devad = 130 * %MDIO_DEVAD_NONE. If %MDIO_EMULATE_C22 is set then access to 131 * commonly used clause 22 registers will be translated into 132 * clause 45 registers. 133 * @dev: Net device structure 134 * @mdio_read: Register read function; returns value or negative error code 135 * @mdio_write: Register write function; returns 0 or negative error code 136 */ 137 struct mdio_if_info { 138 int prtad; 139 u32 mmds; 140 unsigned mode_support; 141 142 struct net_device *dev; 143 int (*mdio_read)(struct net_device *dev, int prtad, int devad, 144 u16 addr); 145 int (*mdio_write)(struct net_device *dev, int prtad, int devad, 146 u16 addr, u16 val); 147 }; 148 149 #define MDIO_PRTAD_NONE (-1) 150 #define MDIO_DEVAD_NONE (-1) 151 #define MDIO_SUPPORTS_C22 1 152 #define MDIO_SUPPORTS_C45 2 153 #define MDIO_EMULATE_C22 4 154 155 struct ethtool_cmd; 156 struct ethtool_pauseparam; 157 extern int mdio45_probe(struct mdio_if_info *mdio, int prtad); 158 extern int mdio_set_flag(const struct mdio_if_info *mdio, 159 int prtad, int devad, u16 addr, int mask, 160 bool sense); 161 extern int mdio45_links_ok(const struct mdio_if_info *mdio, u32 mmds); 162 extern int mdio45_nway_restart(const struct mdio_if_info *mdio); 163 extern void 164 mdio45_ethtool_ksettings_get_npage(const struct mdio_if_info *mdio, 165 struct ethtool_link_ksettings *cmd, 166 u32 npage_adv, u32 npage_lpa); 167 168 /** 169 * mdio45_ethtool_ksettings_get - get settings for ETHTOOL_GLINKSETTINGS 170 * @mdio: MDIO interface 171 * @cmd: Ethtool request structure 172 * 173 * Since the CSRs for auto-negotiation using next pages are not fully 174 * standardised, this function does not attempt to decode them. Use 175 * mdio45_ethtool_ksettings_get_npage() to specify advertisement bits 176 * from next pages. 177 */ 178 static inline void 179 mdio45_ethtool_ksettings_get(const struct mdio_if_info *mdio, 180 struct ethtool_link_ksettings *cmd) 181 { 182 mdio45_ethtool_ksettings_get_npage(mdio, cmd, 0, 0); 183 } 184 185 extern int mdio_mii_ioctl(const struct mdio_if_info *mdio, 186 struct mii_ioctl_data *mii_data, int cmd); 187 188 /** 189 * mmd_eee_cap_to_ethtool_sup_t 190 * @eee_cap: value of the MMD EEE Capability register 191 * 192 * A small helper function that translates MMD EEE Capability (3.20) bits 193 * to ethtool supported settings. 194 */ 195 static inline u32 mmd_eee_cap_to_ethtool_sup_t(u16 eee_cap) 196 { 197 u32 supported = 0; 198 199 if (eee_cap & MDIO_EEE_100TX) 200 supported |= SUPPORTED_100baseT_Full; 201 if (eee_cap & MDIO_EEE_1000T) 202 supported |= SUPPORTED_1000baseT_Full; 203 if (eee_cap & MDIO_EEE_10GT) 204 supported |= SUPPORTED_10000baseT_Full; 205 if (eee_cap & MDIO_EEE_1000KX) 206 supported |= SUPPORTED_1000baseKX_Full; 207 if (eee_cap & MDIO_EEE_10GKX4) 208 supported |= SUPPORTED_10000baseKX4_Full; 209 if (eee_cap & MDIO_EEE_10GKR) 210 supported |= SUPPORTED_10000baseKR_Full; 211 212 return supported; 213 } 214 215 /** 216 * mmd_eee_adv_to_ethtool_adv_t 217 * @eee_adv: value of the MMD EEE Advertisement/Link Partner Ability registers 218 * 219 * A small helper function that translates the MMD EEE Advertisment (7.60) 220 * and MMD EEE Link Partner Ability (7.61) bits to ethtool advertisement 221 * settings. 222 */ 223 static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv) 224 { 225 u32 adv = 0; 226 227 if (eee_adv & MDIO_EEE_100TX) 228 adv |= ADVERTISED_100baseT_Full; 229 if (eee_adv & MDIO_EEE_1000T) 230 adv |= ADVERTISED_1000baseT_Full; 231 if (eee_adv & MDIO_EEE_10GT) 232 adv |= ADVERTISED_10000baseT_Full; 233 if (eee_adv & MDIO_EEE_1000KX) 234 adv |= ADVERTISED_1000baseKX_Full; 235 if (eee_adv & MDIO_EEE_10GKX4) 236 adv |= ADVERTISED_10000baseKX4_Full; 237 if (eee_adv & MDIO_EEE_10GKR) 238 adv |= ADVERTISED_10000baseKR_Full; 239 240 return adv; 241 } 242 243 /** 244 * ethtool_adv_to_mmd_eee_adv_t 245 * @adv: the ethtool advertisement settings 246 * 247 * A small helper function that translates ethtool advertisement settings 248 * to EEE advertisements for the MMD EEE Advertisement (7.60) and 249 * MMD EEE Link Partner Ability (7.61) registers. 250 */ 251 static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv) 252 { 253 u16 reg = 0; 254 255 if (adv & ADVERTISED_100baseT_Full) 256 reg |= MDIO_EEE_100TX; 257 if (adv & ADVERTISED_1000baseT_Full) 258 reg |= MDIO_EEE_1000T; 259 if (adv & ADVERTISED_10000baseT_Full) 260 reg |= MDIO_EEE_10GT; 261 if (adv & ADVERTISED_1000baseKX_Full) 262 reg |= MDIO_EEE_1000KX; 263 if (adv & ADVERTISED_10000baseKX4_Full) 264 reg |= MDIO_EEE_10GKX4; 265 if (adv & ADVERTISED_10000baseKR_Full) 266 reg |= MDIO_EEE_10GKR; 267 268 return reg; 269 } 270 271 /** 272 * linkmode_adv_to_mii_10gbt_adv_t 273 * @advertising: the linkmode advertisement settings 274 * 275 * A small helper function that translates linkmode advertisement 276 * settings to phy autonegotiation advertisements for the C45 277 * 10GBASE-T AN CONTROL (7.32) register. 278 */ 279 static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising) 280 { 281 u32 result = 0; 282 283 if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 284 advertising)) 285 result |= MDIO_AN_10GBT_CTRL_ADV2_5G; 286 if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 287 advertising)) 288 result |= MDIO_AN_10GBT_CTRL_ADV5G; 289 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 290 advertising)) 291 result |= MDIO_AN_10GBT_CTRL_ADV10G; 292 293 return result; 294 } 295 296 /** 297 * mii_10gbt_stat_mod_linkmode_lpa_t 298 * @advertising: target the linkmode advertisement settings 299 * @lpa: value of the C45 10GBASE-T AN STATUS register 300 * 301 * A small helper function that translates C45 10GBASE-T AN STATUS register bits 302 * to linkmode advertisement settings. Other bits in advertising aren't changed. 303 */ 304 static inline void mii_10gbt_stat_mod_linkmode_lpa_t(unsigned long *advertising, 305 u32 lpa) 306 { 307 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 308 advertising, lpa & MDIO_AN_10GBT_STAT_LP2_5G); 309 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 310 advertising, lpa & MDIO_AN_10GBT_STAT_LP5G); 311 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 312 advertising, lpa & MDIO_AN_10GBT_STAT_LP10G); 313 } 314 315 /** 316 * mii_t1_adv_l_mod_linkmode_t 317 * @advertising: target the linkmode advertisement settings 318 * @lpa: value of the BASE-T1 Autonegotiation Advertisement [15:0] Register 319 * 320 * A small helper function that translates BASE-T1 Autonegotiation 321 * Advertisement [15:0] Register bits to linkmode advertisement settings. 322 * Other bits in advertising aren't changed. 323 */ 324 static inline void mii_t1_adv_l_mod_linkmode_t(unsigned long *advertising, u32 lpa) 325 { 326 linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising, 327 lpa & MDIO_AN_T1_ADV_L_PAUSE_CAP); 328 linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising, 329 lpa & MDIO_AN_T1_ADV_L_PAUSE_ASYM); 330 } 331 332 /** 333 * mii_t1_adv_m_mod_linkmode_t 334 * @advertising: target the linkmode advertisement settings 335 * @lpa: value of the BASE-T1 Autonegotiation Advertisement [31:16] Register 336 * 337 * A small helper function that translates BASE-T1 Autonegotiation 338 * Advertisement [31:16] Register bits to linkmode advertisement settings. 339 * Other bits in advertising aren't changed. 340 */ 341 static inline void mii_t1_adv_m_mod_linkmode_t(unsigned long *advertising, u32 lpa) 342 { 343 linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, 344 advertising, lpa & MDIO_AN_T1_ADV_M_B10L); 345 linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT, 346 advertising, lpa & MDIO_AN_T1_ADV_M_100BT1); 347 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, 348 advertising, lpa & MDIO_AN_T1_ADV_M_1000BT1); 349 } 350 351 /** 352 * linkmode_adv_to_mii_t1_adv_l_t 353 * @advertising: the linkmode advertisement settings 354 * 355 * A small helper function that translates linkmode advertisement 356 * settings to phy autonegotiation advertisements for the 357 * BASE-T1 Autonegotiation Advertisement [15:0] Register. 358 */ 359 static inline u32 linkmode_adv_to_mii_t1_adv_l_t(unsigned long *advertising) 360 { 361 u32 result = 0; 362 363 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising)) 364 result |= MDIO_AN_T1_ADV_L_PAUSE_CAP; 365 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising)) 366 result |= MDIO_AN_T1_ADV_L_PAUSE_ASYM; 367 368 return result; 369 } 370 371 /** 372 * linkmode_adv_to_mii_t1_adv_m_t 373 * @advertising: the linkmode advertisement settings 374 * 375 * A small helper function that translates linkmode advertisement 376 * settings to phy autonegotiation advertisements for the 377 * BASE-T1 Autonegotiation Advertisement [31:16] Register. 378 */ 379 static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising) 380 { 381 u32 result = 0; 382 383 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, advertising)) 384 result |= MDIO_AN_T1_ADV_M_B10L; 385 if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT, advertising)) 386 result |= MDIO_AN_T1_ADV_M_100BT1; 387 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, advertising)) 388 result |= MDIO_AN_T1_ADV_M_1000BT1; 389 390 return result; 391 } 392 393 /** 394 * mii_eee_cap1_mod_linkmode_t() 395 * @adv: target the linkmode advertisement settings 396 * @val: register value 397 * 398 * A function that translates value of following registers to the linkmode: 399 * IEEE 802.3-2018 45.2.3.10 "EEE control and capability 1" register (3.20) 400 * IEEE 802.3-2018 45.2.7.13 "EEE advertisement 1" register (7.60) 401 * IEEE 802.3-2018 45.2.7.14 "EEE link partner ability 1" register (7.61) 402 */ 403 static inline void mii_eee_cap1_mod_linkmode_t(unsigned long *adv, u32 val) 404 { 405 linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, 406 adv, val & MDIO_EEE_100TX); 407 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 408 adv, val & MDIO_EEE_1000T); 409 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 410 adv, val & MDIO_EEE_10GT); 411 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 412 adv, val & MDIO_EEE_1000KX); 413 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, 414 adv, val & MDIO_EEE_10GKX4); 415 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 416 adv, val & MDIO_EEE_10GKR); 417 } 418 419 /** 420 * mii_eee_cap2_mod_linkmode_sup_t() 421 * @adv: target the linkmode settings 422 * @val: register value 423 * 424 * A function that translates value of following registers to the linkmode: 425 * IEEE 802.3-2022 45.2.3.11 "EEE control and capability 2" register (3.21) 426 */ 427 static inline void mii_eee_cap2_mod_linkmode_sup_t(unsigned long *adv, u32 val) 428 { 429 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 430 adv, val & MDIO_EEE_2_5GT); 431 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 432 adv, val & MDIO_EEE_5GT); 433 } 434 435 /** 436 * mii_eee_cap2_mod_linkmode_adv_t() 437 * @adv: target the linkmode advertisement settings 438 * @val: register value 439 * 440 * A function that translates value of following registers to the linkmode: 441 * IEEE 802.3-2022 45.2.7.16 "EEE advertisement 2" register (7.62) 442 * IEEE 802.3-2022 45.2.7.17 "EEE link partner ability 2" register (7.63) 443 * Note: Currently this function is the same as mii_eee_cap2_mod_linkmode_sup_t. 444 * For certain, not yet supported, modes however the bits differ. 445 * Therefore create separate functions already. 446 */ 447 static inline void mii_eee_cap2_mod_linkmode_adv_t(unsigned long *adv, u32 val) 448 { 449 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 450 adv, val & MDIO_EEE_2_5GT); 451 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 452 adv, val & MDIO_EEE_5GT); 453 } 454 455 /** 456 * linkmode_to_mii_eee_cap1_t() 457 * @adv: the linkmode advertisement settings 458 * 459 * A function that translates linkmode to value for IEEE 802.3-2018 45.2.7.13 460 * "EEE advertisement 1" register (7.60) 461 */ 462 static inline u32 linkmode_to_mii_eee_cap1_t(unsigned long *adv) 463 { 464 u32 result = 0; 465 466 if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, adv)) 467 result |= MDIO_EEE_100TX; 468 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, adv)) 469 result |= MDIO_EEE_1000T; 470 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, adv)) 471 result |= MDIO_EEE_10GT; 472 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, adv)) 473 result |= MDIO_EEE_1000KX; 474 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, adv)) 475 result |= MDIO_EEE_10GKX4; 476 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, adv)) 477 result |= MDIO_EEE_10GKR; 478 479 return result; 480 } 481 482 /** 483 * linkmode_to_mii_eee_cap2_t() 484 * @adv: the linkmode advertisement settings 485 * 486 * A function that translates linkmode to value for IEEE 802.3-2022 45.2.7.16 487 * "EEE advertisement 2" register (7.62) 488 */ 489 static inline u32 linkmode_to_mii_eee_cap2_t(unsigned long *adv) 490 { 491 u32 result = 0; 492 493 if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, adv)) 494 result |= MDIO_EEE_2_5GT; 495 if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, adv)) 496 result |= MDIO_EEE_5GT; 497 498 return result; 499 } 500 501 /** 502 * mii_10base_t1_adv_mod_linkmode_t() 503 * @adv: linkmode advertisement settings 504 * @val: register value 505 * 506 * A function that translates IEEE 802.3cg-2019 45.2.7.26 "10BASE-T1 AN status" 507 * register (7.527) value to the linkmode. 508 */ 509 static inline void mii_10base_t1_adv_mod_linkmode_t(unsigned long *adv, u16 val) 510 { 511 linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, 512 adv, val & MDIO_AN_10BT1_AN_CTRL_ADV_EEE_T1L); 513 } 514 515 /** 516 * linkmode_adv_to_mii_10base_t1_t() 517 * @adv: linkmode advertisement settings 518 * 519 * A function that translates the linkmode to IEEE 802.3cg-2019 45.2.7.25 520 * "10BASE-T1 AN control" register (7.526) value. 521 */ 522 static inline u32 linkmode_adv_to_mii_10base_t1_t(unsigned long *adv) 523 { 524 u32 result = 0; 525 526 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, adv)) 527 result |= MDIO_AN_10BT1_AN_CTRL_ADV_EEE_T1L; 528 529 return result; 530 } 531 532 /** 533 * mii_c73_mod_linkmode - convert a Clause 73 advertisement to linkmodes 534 * @adv: linkmode advertisement setting 535 * @lpa: array of three u16s containing the advertisement 536 * 537 * Convert an IEEE 802.3 Clause 73 advertisement to ethtool link modes. 538 */ 539 static inline void mii_c73_mod_linkmode(unsigned long *adv, u16 *lpa) 540 { 541 linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, 542 adv, lpa[0] & MDIO_AN_C73_0_PAUSE); 543 linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, 544 adv, lpa[0] & MDIO_AN_C73_0_ASM_DIR); 545 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 546 adv, lpa[1] & MDIO_AN_C73_1_1000BASE_KX); 547 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, 548 adv, lpa[1] & MDIO_AN_C73_1_10GBASE_KX4); 549 linkmode_mod_bit(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 550 adv, lpa[1] & MDIO_AN_C73_1_40GBASE_KR4); 551 linkmode_mod_bit(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 552 adv, lpa[1] & MDIO_AN_C73_1_40GBASE_CR4); 553 /* 100GBASE_CR10 and 100GBASE_KP4 not implemented */ 554 linkmode_mod_bit(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 555 adv, lpa[1] & MDIO_AN_C73_1_100GBASE_KR4); 556 linkmode_mod_bit(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 557 adv, lpa[1] & MDIO_AN_C73_1_100GBASE_CR4); 558 /* 25GBASE_R_S not implemented */ 559 /* The 25GBASE_R bit can be used for 25Gbase KR or CR modes */ 560 linkmode_mod_bit(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 561 adv, lpa[1] & MDIO_AN_C73_1_25GBASE_R); 562 linkmode_mod_bit(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 563 adv, lpa[1] & MDIO_AN_C73_1_25GBASE_R); 564 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 565 adv, lpa[1] & MDIO_AN_C73_1_10GBASE_KR); 566 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, 567 adv, lpa[2] & MDIO_AN_C73_2_2500BASE_KX); 568 /* 5GBASE_KR not implemented */ 569 } 570 571 int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); 572 int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); 573 int __mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask, 574 u16 set); 575 int __mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, 576 u16 mask, u16 set); 577 578 int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); 579 int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum); 580 int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); 581 int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val); 582 int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask, 583 u16 set); 584 int mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, 585 u16 mask, u16 set); 586 int __mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum); 587 int mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum); 588 int mdiobus_c45_read_nested(struct mii_bus *bus, int addr, int devad, 589 u32 regnum); 590 int __mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum, 591 u16 val); 592 int mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum, 593 u16 val); 594 int mdiobus_c45_write_nested(struct mii_bus *bus, int addr, int devad, 595 u32 regnum, u16 val); 596 int mdiobus_c45_modify(struct mii_bus *bus, int addr, int devad, u32 regnum, 597 u16 mask, u16 set); 598 599 int mdiobus_c45_modify_changed(struct mii_bus *bus, int addr, int devad, 600 u32 regnum, u16 mask, u16 set); 601 602 static inline int __mdiodev_read(struct mdio_device *mdiodev, u32 regnum) 603 { 604 return __mdiobus_read(mdiodev->bus, mdiodev->addr, regnum); 605 } 606 607 static inline int __mdiodev_write(struct mdio_device *mdiodev, u32 regnum, 608 u16 val) 609 { 610 return __mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val); 611 } 612 613 static inline int __mdiodev_modify(struct mdio_device *mdiodev, u32 regnum, 614 u16 mask, u16 set) 615 { 616 return __mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set); 617 } 618 619 static inline int __mdiodev_modify_changed(struct mdio_device *mdiodev, 620 u32 regnum, u16 mask, u16 set) 621 { 622 return __mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum, 623 mask, set); 624 } 625 626 static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum) 627 { 628 return mdiobus_read(mdiodev->bus, mdiodev->addr, regnum); 629 } 630 631 static inline int mdiodev_write(struct mdio_device *mdiodev, u32 regnum, 632 u16 val) 633 { 634 return mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val); 635 } 636 637 static inline int mdiodev_modify(struct mdio_device *mdiodev, u32 regnum, 638 u16 mask, u16 set) 639 { 640 return mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set); 641 } 642 643 static inline int mdiodev_modify_changed(struct mdio_device *mdiodev, 644 u32 regnum, u16 mask, u16 set) 645 { 646 return mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum, 647 mask, set); 648 } 649 650 static inline int __mdiodev_c45_read(struct mdio_device *mdiodev, int devad, 651 u16 regnum) 652 { 653 return __mdiobus_c45_read(mdiodev->bus, mdiodev->addr, devad, regnum); 654 } 655 656 static inline int __mdiodev_c45_write(struct mdio_device *mdiodev, u32 devad, 657 u16 regnum, u16 val) 658 { 659 return __mdiobus_c45_write(mdiodev->bus, mdiodev->addr, devad, regnum, 660 val); 661 } 662 663 static inline int mdiodev_c45_modify(struct mdio_device *mdiodev, int devad, 664 u32 regnum, u16 mask, u16 set) 665 { 666 return mdiobus_c45_modify(mdiodev->bus, mdiodev->addr, devad, regnum, 667 mask, set); 668 } 669 670 static inline int mdiodev_c45_modify_changed(struct mdio_device *mdiodev, 671 int devad, u32 regnum, u16 mask, 672 u16 set) 673 { 674 return mdiobus_c45_modify_changed(mdiodev->bus, mdiodev->addr, devad, 675 regnum, mask, set); 676 } 677 678 static inline int mdiodev_c45_read(struct mdio_device *mdiodev, int devad, 679 u16 regnum) 680 { 681 return mdiobus_c45_read(mdiodev->bus, mdiodev->addr, devad, regnum); 682 } 683 684 static inline int mdiodev_c45_write(struct mdio_device *mdiodev, u32 devad, 685 u16 regnum, u16 val) 686 { 687 return mdiobus_c45_write(mdiodev->bus, mdiodev->addr, devad, regnum, 688 val); 689 } 690 691 int mdiobus_register_device(struct mdio_device *mdiodev); 692 int mdiobus_unregister_device(struct mdio_device *mdiodev); 693 bool mdiobus_is_registered_device(struct mii_bus *bus, int addr); 694 struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr); 695 696 /** 697 * mdio_module_driver() - Helper macro for registering mdio drivers 698 * @_mdio_driver: driver to register 699 * 700 * Helper macro for MDIO drivers which do not do anything special in module 701 * init/exit. Each module may only use this macro once, and calling it 702 * replaces module_init() and module_exit(). 703 */ 704 #define mdio_module_driver(_mdio_driver) \ 705 module_driver(_mdio_driver, mdio_driver_register, mdio_driver_unregister) 706 707 #endif /* __LINUX_MDIO_H__ */ 708