1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * linux/mdio.h: definitions for MDIO (clause 45) transceivers 4 * Copyright 2006-2009 Solarflare Communications Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation, incorporated herein by reference. 9 */ 10 11 #ifndef _UAPI__LINUX_MDIO_H__ 12 #define _UAPI__LINUX_MDIO_H__ 13 14 #include <linux/types.h> 15 #include <linux/mii.h> 16 17 /* MDIO Manageable Devices (MMDs). */ 18 #define MDIO_MMD_PMAPMD 1 /* Physical Medium Attachment/ 19 * Physical Medium Dependent */ 20 #define MDIO_MMD_WIS 2 /* WAN Interface Sublayer */ 21 #define MDIO_MMD_PCS 3 /* Physical Coding Sublayer */ 22 #define MDIO_MMD_PHYXS 4 /* PHY Extender Sublayer */ 23 #define MDIO_MMD_DTEXS 5 /* DTE Extender Sublayer */ 24 #define MDIO_MMD_TC 6 /* Transmission Convergence */ 25 #define MDIO_MMD_AN 7 /* Auto-Negotiation */ 26 #define MDIO_MMD_C22EXT 29 /* Clause 22 extension */ 27 #define MDIO_MMD_VEND1 30 /* Vendor specific 1 */ 28 #define MDIO_MMD_VEND2 31 /* Vendor specific 2 */ 29 30 /* Generic MDIO registers. */ 31 #define MDIO_CTRL1 MII_BMCR 32 #define MDIO_STAT1 MII_BMSR 33 #define MDIO_DEVID1 MII_PHYSID1 34 #define MDIO_DEVID2 MII_PHYSID2 35 #define MDIO_SPEED 4 /* Speed ability */ 36 #define MDIO_DEVS1 5 /* Devices in package */ 37 #define MDIO_DEVS2 6 38 #define MDIO_CTRL2 7 /* 10G control 2 */ 39 #define MDIO_STAT2 8 /* 10G status 2 */ 40 #define MDIO_PMA_TXDIS 9 /* 10G PMA/PMD transmit disable */ 41 #define MDIO_PMA_RXDET 10 /* 10G PMA/PMD receive signal detect */ 42 #define MDIO_PMA_EXTABLE 11 /* 10G PMA/PMD extended ability */ 43 #define MDIO_PKGID1 14 /* Package identifier */ 44 #define MDIO_PKGID2 15 45 #define MDIO_AN_ADVERTISE 16 /* AN advertising (base page) */ 46 #define MDIO_AN_LPA 19 /* AN LP abilities (base page) */ 47 #define MDIO_PCS_EEE_ABLE 20 /* EEE Capability register */ 48 #define MDIO_PCS_EEE_WK_ERR 22 /* EEE wake error counter */ 49 #define MDIO_PHYXS_LNSTAT 24 /* PHY XGXS lane state */ 50 #define MDIO_AN_EEE_ADV 60 /* EEE advertisement */ 51 #define MDIO_AN_EEE_LPABLE 61 /* EEE link partner ability */ 52 53 /* Media-dependent registers. */ 54 #define MDIO_PMA_10GBT_SWAPPOL 130 /* 10GBASE-T pair swap & polarity */ 55 #define MDIO_PMA_10GBT_TXPWR 131 /* 10GBASE-T TX power control */ 56 #define MDIO_PMA_10GBT_SNR 133 /* 10GBASE-T SNR margin, lane A. 57 * Lanes B-D are numbered 134-136. */ 58 #define MDIO_PMA_10GBR_FECABLE 170 /* 10GBASE-R FEC ability */ 59 #define MDIO_PCS_10GBX_STAT1 24 /* 10GBASE-X PCS status 1 */ 60 #define MDIO_PCS_10GBRT_STAT1 32 /* 10GBASE-R/-T PCS status 1 */ 61 #define MDIO_PCS_10GBRT_STAT2 33 /* 10GBASE-R/-T PCS status 2 */ 62 #define MDIO_AN_10GBT_CTRL 32 /* 10GBASE-T auto-negotiation control */ 63 #define MDIO_AN_10GBT_STAT 33 /* 10GBASE-T auto-negotiation status */ 64 65 /* LASI (Link Alarm Status Interrupt) registers, defined by XENPAK MSA. */ 66 #define MDIO_PMA_LASI_RXCTRL 0x9000 /* RX_ALARM control */ 67 #define MDIO_PMA_LASI_TXCTRL 0x9001 /* TX_ALARM control */ 68 #define MDIO_PMA_LASI_CTRL 0x9002 /* LASI control */ 69 #define MDIO_PMA_LASI_RXSTAT 0x9003 /* RX_ALARM status */ 70 #define MDIO_PMA_LASI_TXSTAT 0x9004 /* TX_ALARM status */ 71 #define MDIO_PMA_LASI_STAT 0x9005 /* LASI status */ 72 73 /* Control register 1. */ 74 /* Enable extended speed selection */ 75 #define MDIO_CTRL1_SPEEDSELEXT (BMCR_SPEED1000 | BMCR_SPEED100) 76 /* All speed selection bits */ 77 #define MDIO_CTRL1_SPEEDSEL (MDIO_CTRL1_SPEEDSELEXT | 0x003c) 78 #define MDIO_CTRL1_FULLDPLX BMCR_FULLDPLX 79 #define MDIO_CTRL1_LPOWER BMCR_PDOWN 80 #define MDIO_CTRL1_RESET BMCR_RESET 81 #define MDIO_PMA_CTRL1_LOOPBACK 0x0001 82 #define MDIO_PMA_CTRL1_SPEED1000 BMCR_SPEED1000 83 #define MDIO_PMA_CTRL1_SPEED100 BMCR_SPEED100 84 #define MDIO_PCS_CTRL1_LOOPBACK BMCR_LOOPBACK 85 #define MDIO_PHYXS_CTRL1_LOOPBACK BMCR_LOOPBACK 86 #define MDIO_AN_CTRL1_RESTART BMCR_ANRESTART 87 #define MDIO_AN_CTRL1_ENABLE BMCR_ANENABLE 88 #define MDIO_AN_CTRL1_XNP 0x2000 /* Enable extended next page */ 89 #define MDIO_PCS_CTRL1_CLKSTOP_EN 0x400 /* Stop the clock during LPI */ 90 91 /* 10 Gb/s */ 92 #define MDIO_CTRL1_SPEED10G (MDIO_CTRL1_SPEEDSELEXT | 0x00) 93 /* 10PASS-TS/2BASE-TL */ 94 #define MDIO_CTRL1_SPEED10P2B (MDIO_CTRL1_SPEEDSELEXT | 0x04) 95 96 /* Status register 1. */ 97 #define MDIO_STAT1_LPOWERABLE 0x0002 /* Low-power ability */ 98 #define MDIO_STAT1_LSTATUS BMSR_LSTATUS 99 #define MDIO_STAT1_FAULT 0x0080 /* Fault */ 100 #define MDIO_AN_STAT1_LPABLE 0x0001 /* Link partner AN ability */ 101 #define MDIO_AN_STAT1_ABLE BMSR_ANEGCAPABLE 102 #define MDIO_AN_STAT1_RFAULT BMSR_RFAULT 103 #define MDIO_AN_STAT1_COMPLETE BMSR_ANEGCOMPLETE 104 #define MDIO_AN_STAT1_PAGE 0x0040 /* Page received */ 105 #define MDIO_AN_STAT1_XNP 0x0080 /* Extended next page status */ 106 107 /* Speed register. */ 108 #define MDIO_SPEED_10G 0x0001 /* 10G capable */ 109 #define MDIO_PMA_SPEED_2B 0x0002 /* 2BASE-TL capable */ 110 #define MDIO_PMA_SPEED_10P 0x0004 /* 10PASS-TS capable */ 111 #define MDIO_PMA_SPEED_1000 0x0010 /* 1000M capable */ 112 #define MDIO_PMA_SPEED_100 0x0020 /* 100M capable */ 113 #define MDIO_PMA_SPEED_10 0x0040 /* 10M capable */ 114 #define MDIO_PCS_SPEED_10P2B 0x0002 /* 10PASS-TS/2BASE-TL capable */ 115 116 /* Device present registers. */ 117 #define MDIO_DEVS_PRESENT(devad) (1 << (devad)) 118 #define MDIO_DEVS_PMAPMD MDIO_DEVS_PRESENT(MDIO_MMD_PMAPMD) 119 #define MDIO_DEVS_WIS MDIO_DEVS_PRESENT(MDIO_MMD_WIS) 120 #define MDIO_DEVS_PCS MDIO_DEVS_PRESENT(MDIO_MMD_PCS) 121 #define MDIO_DEVS_PHYXS MDIO_DEVS_PRESENT(MDIO_MMD_PHYXS) 122 #define MDIO_DEVS_DTEXS MDIO_DEVS_PRESENT(MDIO_MMD_DTEXS) 123 #define MDIO_DEVS_TC MDIO_DEVS_PRESENT(MDIO_MMD_TC) 124 #define MDIO_DEVS_AN MDIO_DEVS_PRESENT(MDIO_MMD_AN) 125 #define MDIO_DEVS_C22EXT MDIO_DEVS_PRESENT(MDIO_MMD_C22EXT) 126 127 /* Control register 2. */ 128 #define MDIO_PMA_CTRL2_TYPE 0x000f /* PMA/PMD type selection */ 129 #define MDIO_PMA_CTRL2_10GBCX4 0x0000 /* 10GBASE-CX4 type */ 130 #define MDIO_PMA_CTRL2_10GBEW 0x0001 /* 10GBASE-EW type */ 131 #define MDIO_PMA_CTRL2_10GBLW 0x0002 /* 10GBASE-LW type */ 132 #define MDIO_PMA_CTRL2_10GBSW 0x0003 /* 10GBASE-SW type */ 133 #define MDIO_PMA_CTRL2_10GBLX4 0x0004 /* 10GBASE-LX4 type */ 134 #define MDIO_PMA_CTRL2_10GBER 0x0005 /* 10GBASE-ER type */ 135 #define MDIO_PMA_CTRL2_10GBLR 0x0006 /* 10GBASE-LR type */ 136 #define MDIO_PMA_CTRL2_10GBSR 0x0007 /* 10GBASE-SR type */ 137 #define MDIO_PMA_CTRL2_10GBLRM 0x0008 /* 10GBASE-LRM type */ 138 #define MDIO_PMA_CTRL2_10GBT 0x0009 /* 10GBASE-T type */ 139 #define MDIO_PMA_CTRL2_10GBKX4 0x000a /* 10GBASE-KX4 type */ 140 #define MDIO_PMA_CTRL2_10GBKR 0x000b /* 10GBASE-KR type */ 141 #define MDIO_PMA_CTRL2_1000BT 0x000c /* 1000BASE-T type */ 142 #define MDIO_PMA_CTRL2_1000BKX 0x000d /* 1000BASE-KX type */ 143 #define MDIO_PMA_CTRL2_100BTX 0x000e /* 100BASE-TX type */ 144 #define MDIO_PMA_CTRL2_10BT 0x000f /* 10BASE-T type */ 145 #define MDIO_PCS_CTRL2_TYPE 0x0003 /* PCS type selection */ 146 #define MDIO_PCS_CTRL2_10GBR 0x0000 /* 10GBASE-R type */ 147 #define MDIO_PCS_CTRL2_10GBX 0x0001 /* 10GBASE-X type */ 148 #define MDIO_PCS_CTRL2_10GBW 0x0002 /* 10GBASE-W type */ 149 #define MDIO_PCS_CTRL2_10GBT 0x0003 /* 10GBASE-T type */ 150 151 /* Status register 2. */ 152 #define MDIO_STAT2_RXFAULT 0x0400 /* Receive fault */ 153 #define MDIO_STAT2_TXFAULT 0x0800 /* Transmit fault */ 154 #define MDIO_STAT2_DEVPRST 0xc000 /* Device present */ 155 #define MDIO_STAT2_DEVPRST_VAL 0x8000 /* Device present value */ 156 #define MDIO_PMA_STAT2_LBABLE 0x0001 /* PMA loopback ability */ 157 #define MDIO_PMA_STAT2_10GBEW 0x0002 /* 10GBASE-EW ability */ 158 #define MDIO_PMA_STAT2_10GBLW 0x0004 /* 10GBASE-LW ability */ 159 #define MDIO_PMA_STAT2_10GBSW 0x0008 /* 10GBASE-SW ability */ 160 #define MDIO_PMA_STAT2_10GBLX4 0x0010 /* 10GBASE-LX4 ability */ 161 #define MDIO_PMA_STAT2_10GBER 0x0020 /* 10GBASE-ER ability */ 162 #define MDIO_PMA_STAT2_10GBLR 0x0040 /* 10GBASE-LR ability */ 163 #define MDIO_PMA_STAT2_10GBSR 0x0080 /* 10GBASE-SR ability */ 164 #define MDIO_PMD_STAT2_TXDISAB 0x0100 /* PMD TX disable ability */ 165 #define MDIO_PMA_STAT2_EXTABLE 0x0200 /* Extended abilities */ 166 #define MDIO_PMA_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */ 167 #define MDIO_PMA_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */ 168 #define MDIO_PCS_STAT2_10GBR 0x0001 /* 10GBASE-R capable */ 169 #define MDIO_PCS_STAT2_10GBX 0x0002 /* 10GBASE-X capable */ 170 #define MDIO_PCS_STAT2_10GBW 0x0004 /* 10GBASE-W capable */ 171 #define MDIO_PCS_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */ 172 #define MDIO_PCS_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */ 173 174 /* Transmit disable register. */ 175 #define MDIO_PMD_TXDIS_GLOBAL 0x0001 /* Global PMD TX disable */ 176 #define MDIO_PMD_TXDIS_0 0x0002 /* PMD TX disable 0 */ 177 #define MDIO_PMD_TXDIS_1 0x0004 /* PMD TX disable 1 */ 178 #define MDIO_PMD_TXDIS_2 0x0008 /* PMD TX disable 2 */ 179 #define MDIO_PMD_TXDIS_3 0x0010 /* PMD TX disable 3 */ 180 181 /* Receive signal detect register. */ 182 #define MDIO_PMD_RXDET_GLOBAL 0x0001 /* Global PMD RX signal detect */ 183 #define MDIO_PMD_RXDET_0 0x0002 /* PMD RX signal detect 0 */ 184 #define MDIO_PMD_RXDET_1 0x0004 /* PMD RX signal detect 1 */ 185 #define MDIO_PMD_RXDET_2 0x0008 /* PMD RX signal detect 2 */ 186 #define MDIO_PMD_RXDET_3 0x0010 /* PMD RX signal detect 3 */ 187 188 /* Extended abilities register. */ 189 #define MDIO_PMA_EXTABLE_10GCX4 0x0001 /* 10GBASE-CX4 ability */ 190 #define MDIO_PMA_EXTABLE_10GBLRM 0x0002 /* 10GBASE-LRM ability */ 191 #define MDIO_PMA_EXTABLE_10GBT 0x0004 /* 10GBASE-T ability */ 192 #define MDIO_PMA_EXTABLE_10GBKX4 0x0008 /* 10GBASE-KX4 ability */ 193 #define MDIO_PMA_EXTABLE_10GBKR 0x0010 /* 10GBASE-KR ability */ 194 #define MDIO_PMA_EXTABLE_1000BT 0x0020 /* 1000BASE-T ability */ 195 #define MDIO_PMA_EXTABLE_1000BKX 0x0040 /* 1000BASE-KX ability */ 196 #define MDIO_PMA_EXTABLE_100BTX 0x0080 /* 100BASE-TX ability */ 197 #define MDIO_PMA_EXTABLE_10BT 0x0100 /* 10BASE-T ability */ 198 199 /* PHY XGXS lane state register. */ 200 #define MDIO_PHYXS_LNSTAT_SYNC0 0x0001 201 #define MDIO_PHYXS_LNSTAT_SYNC1 0x0002 202 #define MDIO_PHYXS_LNSTAT_SYNC2 0x0004 203 #define MDIO_PHYXS_LNSTAT_SYNC3 0x0008 204 #define MDIO_PHYXS_LNSTAT_ALIGN 0x1000 205 206 /* PMA 10GBASE-T pair swap & polarity */ 207 #define MDIO_PMA_10GBT_SWAPPOL_ABNX 0x0001 /* Pair A/B uncrossed */ 208 #define MDIO_PMA_10GBT_SWAPPOL_CDNX 0x0002 /* Pair C/D uncrossed */ 209 #define MDIO_PMA_10GBT_SWAPPOL_AREV 0x0100 /* Pair A polarity reversed */ 210 #define MDIO_PMA_10GBT_SWAPPOL_BREV 0x0200 /* Pair B polarity reversed */ 211 #define MDIO_PMA_10GBT_SWAPPOL_CREV 0x0400 /* Pair C polarity reversed */ 212 #define MDIO_PMA_10GBT_SWAPPOL_DREV 0x0800 /* Pair D polarity reversed */ 213 214 /* PMA 10GBASE-T TX power register. */ 215 #define MDIO_PMA_10GBT_TXPWR_SHORT 0x0001 /* Short-reach mode */ 216 217 /* PMA 10GBASE-T SNR registers. */ 218 /* Value is SNR margin in dB, clamped to range [-127, 127], plus 0x8000. */ 219 #define MDIO_PMA_10GBT_SNR_BIAS 0x8000 220 #define MDIO_PMA_10GBT_SNR_MAX 127 221 222 /* PMA 10GBASE-R FEC ability register. */ 223 #define MDIO_PMA_10GBR_FECABLE_ABLE 0x0001 /* FEC ability */ 224 #define MDIO_PMA_10GBR_FECABLE_ERRABLE 0x0002 /* FEC error indic. ability */ 225 226 /* PCS 10GBASE-R/-T status register 1. */ 227 #define MDIO_PCS_10GBRT_STAT1_BLKLK 0x0001 /* Block lock attained */ 228 229 /* PCS 10GBASE-R/-T status register 2. */ 230 #define MDIO_PCS_10GBRT_STAT2_ERR 0x00ff 231 #define MDIO_PCS_10GBRT_STAT2_BER 0x3f00 232 233 /* AN 10GBASE-T control register. */ 234 #define MDIO_AN_10GBT_CTRL_ADV10G 0x1000 /* Advertise 10GBASE-T */ 235 236 /* AN 10GBASE-T status register. */ 237 #define MDIO_AN_10GBT_STAT_LPTRR 0x0200 /* LP training reset req. */ 238 #define MDIO_AN_10GBT_STAT_LPLTABLE 0x0400 /* LP loop timing ability */ 239 #define MDIO_AN_10GBT_STAT_LP10G 0x0800 /* LP is 10GBT capable */ 240 #define MDIO_AN_10GBT_STAT_REMOK 0x1000 /* Remote OK */ 241 #define MDIO_AN_10GBT_STAT_LOCOK 0x2000 /* Local OK */ 242 #define MDIO_AN_10GBT_STAT_MS 0x4000 /* Master/slave config */ 243 #define MDIO_AN_10GBT_STAT_MSFLT 0x8000 /* Master/slave config fault */ 244 245 /* EEE Supported/Advertisement/LP Advertisement registers. 246 * 247 * EEE capability Register (3.20), Advertisement (7.60) and 248 * Link partner ability (7.61) registers have and can use the same identical 249 * bit masks. 250 */ 251 #define MDIO_AN_EEE_ADV_100TX 0x0002 /* Advertise 100TX EEE cap */ 252 #define MDIO_AN_EEE_ADV_1000T 0x0004 /* Advertise 1000T EEE cap */ 253 /* Note: the two defines above can be potentially used by the user-land 254 * and cannot remove them now. 255 * So, we define the new generic MDIO_EEE_100TX and MDIO_EEE_1000T macros 256 * using the previous ones (that can be considered obsolete). 257 */ 258 #define MDIO_EEE_100TX MDIO_AN_EEE_ADV_100TX /* 100TX EEE cap */ 259 #define MDIO_EEE_1000T MDIO_AN_EEE_ADV_1000T /* 1000T EEE cap */ 260 #define MDIO_EEE_10GT 0x0008 /* 10GT EEE cap */ 261 #define MDIO_EEE_1000KX 0x0010 /* 1000KX EEE cap */ 262 #define MDIO_EEE_10GKX4 0x0020 /* 10G KX4 EEE cap */ 263 #define MDIO_EEE_10GKR 0x0040 /* 10G KR EEE cap */ 264 265 /* LASI RX_ALARM control/status registers. */ 266 #define MDIO_PMA_LASI_RX_PHYXSLFLT 0x0001 /* PHY XS RX local fault */ 267 #define MDIO_PMA_LASI_RX_PCSLFLT 0x0008 /* PCS RX local fault */ 268 #define MDIO_PMA_LASI_RX_PMALFLT 0x0010 /* PMA/PMD RX local fault */ 269 #define MDIO_PMA_LASI_RX_OPTICPOWERFLT 0x0020 /* RX optical power fault */ 270 #define MDIO_PMA_LASI_RX_WISLFLT 0x0200 /* WIS local fault */ 271 272 /* LASI TX_ALARM control/status registers. */ 273 #define MDIO_PMA_LASI_TX_PHYXSLFLT 0x0001 /* PHY XS TX local fault */ 274 #define MDIO_PMA_LASI_TX_PCSLFLT 0x0008 /* PCS TX local fault */ 275 #define MDIO_PMA_LASI_TX_PMALFLT 0x0010 /* PMA/PMD TX local fault */ 276 #define MDIO_PMA_LASI_TX_LASERPOWERFLT 0x0080 /* Laser output power fault */ 277 #define MDIO_PMA_LASI_TX_LASERTEMPFLT 0x0100 /* Laser temperature fault */ 278 #define MDIO_PMA_LASI_TX_LASERBICURRFLT 0x0200 /* Laser bias current fault */ 279 280 /* LASI control/status registers. */ 281 #define MDIO_PMA_LASI_LSALARM 0x0001 /* LS_ALARM enable/status */ 282 #define MDIO_PMA_LASI_TXALARM 0x0002 /* TX_ALARM enable/status */ 283 #define MDIO_PMA_LASI_RXALARM 0x0004 /* RX_ALARM enable/status */ 284 285 /* Mapping between MDIO PRTAD/DEVAD and mii_ioctl_data::phy_id */ 286 287 #define MDIO_PHY_ID_C45 0x8000 288 #define MDIO_PHY_ID_PRTAD 0x03e0 289 #define MDIO_PHY_ID_DEVAD 0x001f 290 #define MDIO_PHY_ID_C45_MASK \ 291 (MDIO_PHY_ID_C45 | MDIO_PHY_ID_PRTAD | MDIO_PHY_ID_DEVAD) 292 293 static inline __u16 mdio_phy_id_c45(int prtad, int devad) 294 { 295 return MDIO_PHY_ID_C45 | (prtad << 5) | devad; 296 } 297 298 #endif /* _UAPI__LINUX_MDIO_H__ */ 299
