Lines Matching +full:5 +full:gbase +full:- +full:x
1 // SPDX-License-Identifier: GPL-2.0-only
3 * mdio.c: Generic support for MDIO-compatible transceivers
4 * Copyright 2006-2009 Solarflare Communications Inc.
14 MODULE_DESCRIPTION("Generic support for MDIO-compatible transceivers");
15 MODULE_AUTHOR("Copyright 2006-2009 Solarflare Communications Inc.");
19 * mdio45_probe - probe for an MDIO (clause 45) device
32 for (mmd = 1; mmd <= 5; mmd++) { in mdio45_probe()
34 stat2 = mdio->mdio_read(mdio->dev, prtad, mmd, MDIO_STAT2); in mdio45_probe()
40 devs1 = mdio->mdio_read(mdio->dev, prtad, mmd, MDIO_DEVS1); in mdio45_probe()
41 devs2 = mdio->mdio_read(mdio->dev, prtad, mmd, MDIO_DEVS2); in mdio45_probe()
45 mdio->prtad = prtad; in mdio45_probe()
46 mdio->mmds = devs1 | (devs2 << 16); in mdio45_probe()
50 return -ENODEV; in mdio45_probe()
55 * mdio_set_flag - set or clear flag in an MDIO register
70 int old_val = mdio->mdio_read(mdio->dev, prtad, devad, addr); in mdio_set_flag()
81 return mdio->mdio_write(mdio->dev, prtad, devad, addr, new_val); in mdio_set_flag()
86 * mdio45_links_ok - is link status up/OK
91 * @mmd_mask is normally @mdio->mmds, but if loopback is enabled
100 reg = mdio->mdio_read(mdio->dev, mdio->prtad, in mdio45_links_ok()
110 mdio->mdio_read(mdio->dev, mdio->prtad, in mdio45_links_ok()
114 mdio->mdio_read(mdio->dev, mdio->prtad, in mdio45_links_ok()
118 reg = mdio->mdio_read(mdio->dev, mdio->prtad, in mdio45_links_ok()
132 * mdio45_nway_restart - restart auto-negotiation for this interface
139 if (!(mdio->mmds & MDIO_DEVS_AN)) in mdio45_nway_restart()
140 return -EOPNOTSUPP; in mdio45_nway_restart()
142 mdio_set_flag(mdio, mdio->prtad, MDIO_MMD_AN, MDIO_CTRL1, in mdio45_nway_restart()
153 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN, addr); in mdio45_get_an()
170 * mdio45_ethtool_ksettings_get_npage - get settings for ETHTOOL_GLINKSETTINGS
179 * Since the CSRs for auto-negotiation using next pages are not fully
193 cmd->base.phy_address = mdio->prtad; in mdio45_ethtool_ksettings_get_npage()
194 cmd->base.mdio_support = in mdio45_ethtool_ksettings_get_npage()
195 mdio->mode_support & (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22); in mdio45_ethtool_ksettings_get_npage()
197 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, in mdio45_ethtool_ksettings_get_npage()
204 cmd->base.port = PORT_TP; in mdio45_ethtool_ksettings_get_npage()
206 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, in mdio45_ethtool_ksettings_get_npage()
223 cmd->base.port = PORT_OTHER; in mdio45_ethtool_ksettings_get_npage()
231 cmd->base.port = PORT_OTHER; in mdio45_ethtool_ksettings_get_npage()
233 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, in mdio45_ethtool_ksettings_get_npage()
241 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, in mdio45_ethtool_ksettings_get_npage()
250 cmd->base.port = PORT_FIBRE; in mdio45_ethtool_ksettings_get_npage()
256 if (mdio->mmds & MDIO_DEVS_AN) { in mdio45_ethtool_ksettings_get_npage()
258 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN, in mdio45_ethtool_ksettings_get_npage()
261 cmd->base.autoneg = AUTONEG_ENABLE; in mdio45_ethtool_ksettings_get_npage()
267 cmd->base.autoneg = AUTONEG_DISABLE; in mdio45_ethtool_ksettings_get_npage()
270 cmd->base.autoneg = AUTONEG_DISABLE; in mdio45_ethtool_ksettings_get_npage()
273 if (cmd->base.autoneg) { in mdio45_ethtool_ksettings_get_npage()
275 int an_stat = mdio->mdio_read(mdio->dev, mdio->prtad, in mdio45_ethtool_ksettings_get_npage()
295 cmd->base.duplex = DUPLEX_FULL; in mdio45_ethtool_ksettings_get_npage()
300 cmd->base.duplex = !(modes & ADVERTISED_1000baseT_Half); in mdio45_ethtool_ksettings_get_npage()
304 cmd->base.duplex = !!(modes & ADVERTISED_100baseT_Full); in mdio45_ethtool_ksettings_get_npage()
307 cmd->base.duplex = !!(modes & ADVERTISED_10baseT_Full); in mdio45_ethtool_ksettings_get_npage()
311 reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, in mdio45_ethtool_ksettings_get_npage()
315 cmd->base.duplex = (reg & MDIO_CTRL1_FULLDPLX || in mdio45_ethtool_ksettings_get_npage()
319 cmd->base.speed = speed; in mdio45_ethtool_ksettings_get_npage()
321 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, in mdio45_ethtool_ksettings_get_npage()
323 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, in mdio45_ethtool_ksettings_get_npage()
325 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising, in mdio45_ethtool_ksettings_get_npage()
328 /* 10GBASE-T MDI/MDI-X */ in mdio45_ethtool_ksettings_get_npage()
329 if (cmd->base.port == PORT_TP && (cmd->base.speed == SPEED_10000)) { in mdio45_ethtool_ksettings_get_npage()
330 switch (mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, in mdio45_ethtool_ksettings_get_npage()
333 cmd->base.eth_tp_mdix = ETH_TP_MDI; in mdio45_ethtool_ksettings_get_npage()
336 cmd->base.eth_tp_mdix = ETH_TP_MDI_X; in mdio45_ethtool_ksettings_get_npage()
340 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID; in mdio45_ethtool_ksettings_get_npage()
348 * mdio_mii_ioctl - MII ioctl interface for MDIO (clause 22 or 45) PHYs
359 u16 addr = mii_data->reg_num; in mdio_mii_ioctl()
364 if (mdio->prtad == MDIO_PRTAD_NONE) in mdio_mii_ioctl()
365 return -EOPNOTSUPP; in mdio_mii_ioctl()
366 mii_data->phy_id = mdio->prtad; in mdio_mii_ioctl()
373 return -EOPNOTSUPP; in mdio_mii_ioctl()
377 if ((mdio->mode_support & MDIO_SUPPORTS_C45) && in mdio_mii_ioctl()
378 mdio_phy_id_is_c45(mii_data->phy_id)) { in mdio_mii_ioctl()
379 prtad = mdio_phy_id_prtad(mii_data->phy_id); in mdio_mii_ioctl()
380 devad = mdio_phy_id_devad(mii_data->phy_id); in mdio_mii_ioctl()
381 } else if ((mdio->mode_support & MDIO_SUPPORTS_C22) && in mdio_mii_ioctl()
382 mii_data->phy_id < 0x20) { in mdio_mii_ioctl()
383 prtad = mii_data->phy_id; in mdio_mii_ioctl()
386 } else if ((mdio->mode_support & MDIO_EMULATE_C22) && in mdio_mii_ioctl()
387 mdio->prtad != MDIO_PRTAD_NONE && in mdio_mii_ioctl()
388 mii_data->phy_id == mdio->prtad) { in mdio_mii_ioctl()
389 /* Remap commonly-used MII registers. */ in mdio_mii_ioctl()
390 prtad = mdio->prtad; in mdio_mii_ioctl()
396 devad = __ffs(mdio->mmds); in mdio_mii_ioctl()
400 if (!(mdio->mmds & MDIO_DEVS_AN)) in mdio_mii_ioctl()
401 return -EINVAL; in mdio_mii_ioctl()
409 return -EINVAL; in mdio_mii_ioctl()
412 return -EINVAL; in mdio_mii_ioctl()
416 int rc = mdio->mdio_read(mdio->dev, prtad, devad, addr); in mdio_mii_ioctl()
419 mii_data->val_out = rc; in mdio_mii_ioctl()
422 return mdio->mdio_write(mdio->dev, prtad, devad, addr, in mdio_mii_ioctl()
423 mii_data->val_in); in mdio_mii_ioctl()