Lines Matching +full:slow +full:- +full:io +full:- +full:gpios
1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/mdio/mdio-i2c.h>
150 "mod-def0",
152 "tx-fault",
153 "tx-disable",
154 "rate-select0",
155 "rate-select1",
167 /* t_start_up (SFF-8431) or t_init (SFF-8472) is the time required for a
168 * non-cooled module to initialise its laser safety circuitry. We wait
200 * The SFF-8472 specifies t_serial ("Time from power on until module is
211 * 0x56 (which with mdio-i2c, translates to a PHY address of 22).
213 * via address 0x51 (mdio-i2c will use RollBall protocol on this address).
225 unsigned int gpios; member
303 return id->base.phys_id == SFF8024_ID_SFF_8472 && in sff_module_supported()
304 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP; in sff_module_supported()
308 .gpios = SFP_F_LOS | SFP_F_TX_FAULT | SFP_F_TX_DISABLE,
314 if (id->base.phys_id == SFF8024_ID_SFP && in sfp_module_supported()
315 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP) in sfp_module_supported()
318 /* SFP GPON module Ubiquiti U-Fiber Instant has in its EEPROM stored in sfp_module_supported()
322 if (id->base.phys_id == SFF8024_ID_SFF_8472 && in sfp_module_supported()
323 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP && in sfp_module_supported()
324 !memcmp(id->base.vendor_name, "UBNT ", 16) && in sfp_module_supported()
325 !memcmp(id->base.vendor_pn, "UF-INSTANT ", 16)) in sfp_module_supported()
332 .gpios = SFP_F_PRESENT | SFP_F_LOS | SFP_F_TX_FAULT |
346 sfp->module_t_start_up = T_START_UP_BAD_GPON; in sfp_fixup_long_startup()
352 sfp->state_ignore_mask |= SFP_F_LOS; in sfp_fixup_ignore_los()
354 sfp->id.ext.options &= ~cpu_to_be16(SFP_OPTIONS_LOS_INVERTED | in sfp_fixup_ignore_los()
360 sfp->state_ignore_mask |= SFP_F_TX_FAULT; in sfp_fixup_ignore_tx_fault()
369 // For 10GBASE-T short-reach modules
372 sfp->id.base.connector = SFF8024_CONNECTOR_RJ45; in sfp_fixup_10gbaset_30m()
373 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SR; in sfp_fixup_10gbaset_30m()
378 sfp->mdio_protocol = MDIO_I2C_ROLLBALL; in sfp_fixup_rollball()
385 sfp->phy_t_retry = msecs_to_jiffies(1000); in sfp_fixup_rollball()
396 sfp->module_t_wait = msecs_to_jiffies(4000); in sfp_fixup_rollball_wait4s()
411 sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS); in sfp_fixup_halny_gsfp()
421 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SFI; in sfp_fixup_rollball_cc()
453 /* Ubiquiti U-Fiber Instant module claims that support all transceiver in sfp_quirk_ubnt_uf_instant()
467 // Alcatel Lucent G-010S-P can operate at 2500base-X, but incorrectly
472 // Alcatel Lucent G-010S-A can operate at 2500base-X, but report 3.2GBd
477 // Fiberstore SFP-10G-T doesn't identify as copper, uses the Rollball
480 SFP_QUIRK_F("FS", "SFP-10G-T", sfp_fixup_fs_10gt),
482 // Fiberstore SFP-2.5G-T and SFP-10GM-T uses Rollball protocol to talk
484 SFP_QUIRK_F("FS", "SFP-2.5G-T", sfp_fixup_rollball_wait4s),
485 SFP_QUIRK_F("FS", "SFP-10GM-T", sfp_fixup_rollball_wait4s),
487 // Fiberstore GPON-ONU-34-20BI can operate at 2500base-X, but report 1.2GBd
489 SFP_QUIRK("FS", "GPON-ONU-34-20BI", sfp_quirk_2500basex,
492 SFP_QUIRK_F("HALNy", "HL-GSFP", sfp_fixup_halny_gsfp),
494 // HG MXPD-483II-F 2.5G supports 2500Base-X, but incorrectly reports
496 SFP_QUIRK_M("HG GENUINE", "MXPD-483II", sfp_quirk_2500basex),
498 // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd NRZ in
503 // Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
505 SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex),
507 SFP_QUIRK_M("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant),
509 // Walsun HXSX-ATR[CI]-1 don't identify as copper, and use the
511 SFP_QUIRK_F("Walsun", "HXSX-ATRC-1", sfp_fixup_fs_10gt),
512 SFP_QUIRK_F("Walsun", "HXSX-ATRI-1", sfp_fixup_fs_10gt),
514 // OEM SFP-GE-T is a 1000Base-T module with broken TX_FAULT indicator
515 SFP_QUIRK_F("OEM", "SFP-GE-T", sfp_fixup_ignore_tx_fault),
517 SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc),
518 SFP_QUIRK_M("OEM", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
519 SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-D", sfp_quirk_2500basex),
520 SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-U", sfp_quirk_2500basex),
521 SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc),
522 SFP_QUIRK_F("OEM", "RTSFP-10G", sfp_fixup_rollball_cc),
523 SFP_QUIRK_F("Turris", "RTSFP-2.5G", sfp_fixup_rollball),
524 SFP_QUIRK_F("Turris", "RTSFP-10", sfp_fixup_rollball),
525 SFP_QUIRK_F("Turris", "RTSFP-10G", sfp_fixup_rollball),
533 * some manufacturers can't read SFF-8472 and use NUL. in sfp_strlen()
557 vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name)); in sfp_lookup_quirk()
558 ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn)); in sfp_lookup_quirk()
561 if (sfp_match(q->vendor, id->base.vendor_name, vs) && in sfp_lookup_quirk()
562 sfp_match(q->part, id->base.vendor_pn, ps)) in sfp_lookup_quirk()
575 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_gpio_get_state()
578 v = gpiod_get_value_cansleep(sfp->gpio[i]); in sfp_gpio_get_state()
597 drive = sfp->state_hw_drive; in sfp_gpio_set_state()
599 /* Otherwise, let them float to the pull-ups */ in sfp_gpio_set_state()
602 if (sfp->gpio[GPIO_TX_DISABLE]) { in sfp_gpio_set_state()
604 gpiod_direction_output(sfp->gpio[GPIO_TX_DISABLE], in sfp_gpio_set_state()
607 gpiod_direction_input(sfp->gpio[GPIO_TX_DISABLE]); in sfp_gpio_set_state()
610 if (sfp->gpio[GPIO_RS0]) { in sfp_gpio_set_state()
612 gpiod_direction_output(sfp->gpio[GPIO_RS0], in sfp_gpio_set_state()
615 gpiod_direction_input(sfp->gpio[GPIO_RS0]); in sfp_gpio_set_state()
618 if (sfp->gpio[GPIO_RS1]) { in sfp_gpio_set_state()
620 gpiod_direction_output(sfp->gpio[GPIO_RS1], in sfp_gpio_set_state()
623 gpiod_direction_input(sfp->gpio[GPIO_RS1]); in sfp_gpio_set_state()
632 size_t block_size = sfp->i2c_block_size; in sfp_i2c_read()
652 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_read()
661 len -= this_len; in sfp_i2c_read()
664 return msgs[1].buf - (u8 *)buf; in sfp_i2c_read()
679 return -ENOMEM; in sfp_i2c_write()
684 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_write()
697 return -EINVAL; in sfp_i2c_configure()
699 sfp->i2c = i2c; in sfp_i2c_configure()
700 sfp->read = sfp_i2c_read; in sfp_i2c_configure()
701 sfp->write = sfp_i2c_write; in sfp_i2c_configure()
711 i2c_mii = mdio_i2c_alloc(sfp->dev, sfp->i2c, sfp->mdio_protocol); in sfp_i2c_mdiobus_create()
715 i2c_mii->name = "SFP I2C Bus"; in sfp_i2c_mdiobus_create()
716 i2c_mii->phy_mask = ~0; in sfp_i2c_mdiobus_create()
724 sfp->i2c_mii = i2c_mii; in sfp_i2c_mdiobus_create()
731 mdiobus_unregister(sfp->i2c_mii); in sfp_i2c_mdiobus_destroy()
732 sfp->i2c_mii = NULL; in sfp_i2c_mdiobus_destroy()
738 return sfp->read(sfp, a2, addr, buf, len); in sfp_read()
743 return sfp->write(sfp, a2, addr, buf, len); in sfp_write()
775 dev_err_ratelimited(sfp->dev, in sfp_soft_get_state()
779 state = sfp->state; in sfp_soft_get_state()
782 return state & sfp->state_soft_mask; in sfp_soft_get_state()
816 const struct sfp_eeprom_id *id = &sfp->id; in sfp_soft_start_poll()
819 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_DISABLE) in sfp_soft_start_poll()
821 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_FAULT) in sfp_soft_start_poll()
823 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RX_LOS) in sfp_soft_start_poll()
825 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RATE_SELECT) in sfp_soft_start_poll()
826 mask |= sfp->rs_state_mask; in sfp_soft_start_poll()
828 mutex_lock(&sfp->st_mutex); in sfp_soft_start_poll()
830 sfp->state_soft_mask = ~sfp->state_hw_mask & ~sfp->state_ignore_mask & in sfp_soft_start_poll()
833 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) && in sfp_soft_start_poll()
834 !sfp->need_poll) in sfp_soft_start_poll()
835 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_soft_start_poll()
836 mutex_unlock(&sfp->st_mutex); in sfp_soft_start_poll()
841 mutex_lock(&sfp->st_mutex); in sfp_soft_stop_poll()
842 sfp->state_soft_mask = 0; in sfp_soft_stop_poll()
843 mutex_unlock(&sfp->st_mutex); in sfp_soft_stop_poll()
846 /* sfp_get_state() - must be called with st_mutex held, or in the
851 unsigned int soft = sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT); in sfp_get_state()
854 state = sfp->get_state(sfp) & sfp->state_hw_mask; in sfp_get_state()
861 /* sfp_set_state() - must be called with st_mutex held, or in the
868 sfp->set_state(sfp, state); in sfp_set_state()
870 soft = sfp->state_soft_mask & SFP_F_OUTPUTS; in sfp_set_state()
877 mutex_lock(&sfp->st_mutex); in sfp_mod_state()
878 sfp->state = (sfp->state & ~mask) | set; in sfp_mod_state()
879 sfp_set_state(sfp, sfp->state); in sfp_mod_state()
880 mutex_unlock(&sfp->st_mutex); in sfp_mod_state()
887 for (p = buf, check = 0; len; p++, len--) in sfp_check()
912 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
931 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
950 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
966 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && in sfp_hwmon_is_visible()
978 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1014 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) in sfp_hwmon_calibrate()
1020 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), in sfp_hwmon_calibrate_temp()
1021 be16_to_cpu(sfp->diag.cal_t_offset), value); in sfp_hwmon_calibrate_temp()
1024 *value -= 0x10000; in sfp_hwmon_calibrate_temp()
1031 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), in sfp_hwmon_calibrate_vcc()
1032 be16_to_cpu(sfp->diag.cal_v_offset), value); in sfp_hwmon_calibrate_vcc()
1039 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), in sfp_hwmon_calibrate_bias()
1040 be16_to_cpu(sfp->diag.cal_txi_offset), value); in sfp_hwmon_calibrate_bias()
1047 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), in sfp_hwmon_calibrate_tx_power()
1048 be16_to_cpu(sfp->diag.cal_txpwr_offset), value); in sfp_hwmon_calibrate_tx_power()
1128 *value = be16_to_cpu(sfp->diag.temp_low_alarm); in sfp_hwmon_temp()
1133 *value = be16_to_cpu(sfp->diag.temp_low_warn); in sfp_hwmon_temp()
1137 *value = be16_to_cpu(sfp->diag.temp_high_warn); in sfp_hwmon_temp()
1142 *value = be16_to_cpu(sfp->diag.temp_high_alarm); in sfp_hwmon_temp()
1178 return -EOPNOTSUPP; in sfp_hwmon_temp()
1181 return -EOPNOTSUPP; in sfp_hwmon_temp()
1194 *value = be16_to_cpu(sfp->diag.volt_low_alarm); in sfp_hwmon_vcc()
1199 *value = be16_to_cpu(sfp->diag.volt_low_warn); in sfp_hwmon_vcc()
1204 *value = be16_to_cpu(sfp->diag.volt_high_warn); in sfp_hwmon_vcc()
1209 *value = be16_to_cpu(sfp->diag.volt_high_alarm); in sfp_hwmon_vcc()
1245 return -EOPNOTSUPP; in sfp_hwmon_vcc()
1248 return -EOPNOTSUPP; in sfp_hwmon_vcc()
1261 *value = be16_to_cpu(sfp->diag.bias_low_alarm); in sfp_hwmon_bias()
1266 *value = be16_to_cpu(sfp->diag.bias_low_warn); in sfp_hwmon_bias()
1271 *value = be16_to_cpu(sfp->diag.bias_high_warn); in sfp_hwmon_bias()
1276 *value = be16_to_cpu(sfp->diag.bias_high_alarm); in sfp_hwmon_bias()
1312 return -EOPNOTSUPP; in sfp_hwmon_bias()
1315 return -EOPNOTSUPP; in sfp_hwmon_bias()
1328 *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); in sfp_hwmon_tx_power()
1333 *value = be16_to_cpu(sfp->diag.txpwr_low_warn); in sfp_hwmon_tx_power()
1338 *value = be16_to_cpu(sfp->diag.txpwr_high_warn); in sfp_hwmon_tx_power()
1343 *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); in sfp_hwmon_tx_power()
1379 return -EOPNOTSUPP; in sfp_hwmon_tx_power()
1382 return -EOPNOTSUPP; in sfp_hwmon_tx_power()
1395 *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); in sfp_hwmon_rx_power()
1400 *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); in sfp_hwmon_rx_power()
1405 *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); in sfp_hwmon_rx_power()
1410 *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); in sfp_hwmon_rx_power()
1446 return -EOPNOTSUPP; in sfp_hwmon_rx_power()
1449 return -EOPNOTSUPP; in sfp_hwmon_rx_power()
1471 return -EOPNOTSUPP; in sfp_hwmon_read()
1474 return -EOPNOTSUPP; in sfp_hwmon_read()
1494 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1503 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1512 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1521 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1525 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1528 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1595 if (sfp->i2c_block_size < 2) { in sfp_hwmon_probe()
1596 dev_info(sfp->dev, in sfp_hwmon_probe()
1598 dev_info(sfp->dev, in sfp_hwmon_probe()
1603 err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); in sfp_hwmon_probe()
1605 if (sfp->hwmon_tries--) { in sfp_hwmon_probe()
1606 mod_delayed_work(system_wq, &sfp->hwmon_probe, in sfp_hwmon_probe()
1609 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_hwmon_probe()
1615 sfp->hwmon_name = hwmon_sanitize_name(dev_name(sfp->dev)); in sfp_hwmon_probe()
1616 if (IS_ERR(sfp->hwmon_name)) { in sfp_hwmon_probe()
1617 dev_err(sfp->dev, "out of memory for hwmon name\n"); in sfp_hwmon_probe()
1621 sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, in sfp_hwmon_probe()
1622 sfp->hwmon_name, sfp, in sfp_hwmon_probe()
1625 if (IS_ERR(sfp->hwmon_dev)) in sfp_hwmon_probe()
1626 dev_err(sfp->dev, "failed to register hwmon device: %ld\n", in sfp_hwmon_probe()
1627 PTR_ERR(sfp->hwmon_dev)); in sfp_hwmon_probe()
1632 if (sfp->have_a2 && sfp->id.ext.diagmon & SFP_DIAGMON_DDM) { in sfp_hwmon_insert()
1633 mod_delayed_work(system_wq, &sfp->hwmon_probe, 1); in sfp_hwmon_insert()
1634 sfp->hwmon_tries = R_PROBE_RETRY_SLOW; in sfp_hwmon_insert()
1642 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_remove()
1643 if (!IS_ERR_OR_NULL(sfp->hwmon_dev)) { in sfp_hwmon_remove()
1644 hwmon_device_unregister(sfp->hwmon_dev); in sfp_hwmon_remove()
1645 sfp->hwmon_dev = NULL; in sfp_hwmon_remove()
1646 kfree(sfp->hwmon_name); in sfp_hwmon_remove()
1652 INIT_DELAYED_WORK(&sfp->hwmon_probe, sfp_hwmon_probe); in sfp_hwmon_init()
1659 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_exit()
1684 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_disable()
1685 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 1); in sfp_module_tx_disable()
1691 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_enable()
1692 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 0); in sfp_module_tx_enable()
1699 struct sfp *sfp = s->private; in sfp_debug_state_show()
1702 mod_state_to_str(sfp->sm_mod_state)); in sfp_debug_state_show()
1704 R_PROBE_RETRY_INIT - sfp->sm_mod_tries_init, in sfp_debug_state_show()
1705 R_PROBE_RETRY_SLOW - sfp->sm_mod_tries); in sfp_debug_state_show()
1707 dev_state_to_str(sfp->sm_dev_state)); in sfp_debug_state_show()
1709 sm_state_to_str(sfp->sm_state)); in sfp_debug_state_show()
1711 sfp->sm_fault_retries); in sfp_debug_state_show()
1713 sfp->sm_phy_retries); in sfp_debug_state_show()
1714 seq_printf(s, "Signalling rate: %u kBd\n", sfp->rate_kbd); in sfp_debug_state_show()
1716 sfp->rs_threshold_kbd); in sfp_debug_state_show()
1717 seq_printf(s, "moddef0: %d\n", !!(sfp->state & SFP_F_PRESENT)); in sfp_debug_state_show()
1718 seq_printf(s, "rx_los: %d\n", !!(sfp->state & SFP_F_LOS)); in sfp_debug_state_show()
1719 seq_printf(s, "tx_fault: %d\n", !!(sfp->state & SFP_F_TX_FAULT)); in sfp_debug_state_show()
1720 seq_printf(s, "tx_disable: %d\n", !!(sfp->state & SFP_F_TX_DISABLE)); in sfp_debug_state_show()
1721 seq_printf(s, "rs0: %d\n", !!(sfp->state & SFP_F_RS0)); in sfp_debug_state_show()
1722 seq_printf(s, "rs1: %d\n", !!(sfp->state & SFP_F_RS1)); in sfp_debug_state_show()
1729 sfp->debugfs_dir = debugfs_create_dir(dev_name(sfp->dev), NULL); in sfp_debugfs_init()
1731 debugfs_create_file("state", 0600, sfp->debugfs_dir, sfp, in sfp_debugfs_init()
1737 debugfs_remove_recursive(sfp->debugfs_dir); in sfp_debugfs_exit()
1753 mutex_lock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1754 state = sfp->state; in sfp_module_tx_fault_reset()
1762 mutex_unlock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1769 mod_delayed_work(system_power_efficient_wq, &sfp->timeout, in sfp_sm_set_timer()
1772 cancel_delayed_work(&sfp->timeout); in sfp_sm_set_timer()
1778 sfp->sm_state = state; in sfp_sm_next()
1785 sfp->sm_mod_state = state; in sfp_sm_mod_next()
1791 sfp_remove_phy(sfp->sfp_bus); in sfp_sm_phy_detach()
1792 phy_device_remove(sfp->mod_phy); in sfp_sm_phy_detach()
1793 phy_device_free(sfp->mod_phy); in sfp_sm_phy_detach()
1794 sfp->mod_phy = NULL; in sfp_sm_phy_detach()
1802 phy = get_phy_device(sfp->i2c_mii, addr, is_c45); in sfp_sm_probe_phy()
1803 if (phy == ERR_PTR(-ENODEV)) in sfp_sm_probe_phy()
1806 dev_err(sfp->dev, "mdiobus scan returned %pe\n", phy); in sfp_sm_probe_phy()
1811 phy->is_on_sfp_module = true; in sfp_sm_probe_phy()
1816 dev_err(sfp->dev, "phy_device_register failed: %pe\n", in sfp_sm_probe_phy()
1821 err = sfp_add_phy(sfp->sfp_bus, phy); in sfp_sm_probe_phy()
1825 dev_err(sfp->dev, "sfp_add_phy failed: %pe\n", ERR_PTR(err)); in sfp_sm_probe_phy()
1829 sfp->mod_phy = phy; in sfp_sm_probe_phy()
1836 sfp_link_up(sfp->sfp_bus); in sfp_sm_link_up()
1842 sfp_link_down(sfp->sfp_bus); in sfp_sm_link_down()
1849 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_sm_link_check_los()
1857 los = !(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1859 los = !!(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1871 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_active()
1881 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_inactive()
1889 if (sfp->sm_fault_retries && !--sfp->sm_fault_retries) { in sfp_sm_fault()
1890 dev_err(sfp->dev, in sfp_sm_fault()
1895 dev_err(sfp->dev, "module transmit fault indicated\n"); in sfp_sm_fault()
1903 if (sfp->mdio_protocol != MDIO_I2C_NONE) in sfp_sm_add_mdio_bus()
1909 /* Probe a SFP for a PHY device if the module supports copper - the PHY
1914 * negotiation enabled, but some may be in 1000base-X - which is for the
1924 switch (sfp->mdio_protocol) { in sfp_sm_probe_for_phy()
1949 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_power()
1950 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL)) in sfp_module_parse_power()
1953 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV11_4 && in sfp_module_parse_power()
1954 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL)) in sfp_module_parse_power()
1959 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
1963 supports_a2 = sfp->id.ext.sff8472_compliance != in sfp_module_parse_power()
1965 sfp->id.ext.diagmon & SFP_DIAGMON_DDM; in sfp_module_parse_power()
1967 if (power_mW > sfp->max_power_mW) { in sfp_module_parse_power()
1974 dev_err(sfp->dev, in sfp_module_parse_power()
1977 return -EINVAL; in sfp_module_parse_power()
1979 dev_warn(sfp->dev, in sfp_module_parse_power()
1998 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) { in sfp_module_parse_power()
1999 dev_warn(sfp->dev, in sfp_module_parse_power()
2005 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
2018 dev_err(sfp->dev, "failed to %sable high power: %pe\n", in sfp_sm_mod_hpower()
2020 return -EAGAIN; in sfp_sm_mod_hpower()
2024 dev_info(sfp->dev, "Module switched to %u.%uW power level\n", in sfp_sm_mod_hpower()
2025 sfp->module_power_mW / 1000, in sfp_sm_mod_hpower()
2026 (sfp->module_power_mW / 100) % 10); in sfp_sm_mod_hpower()
2035 sfp->rs_threshold_kbd = 0; in sfp_module_parse_rate_select()
2036 sfp->rs_state_mask = 0; in sfp_module_parse_rate_select()
2038 if (!(sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_RATE_SELECT))) in sfp_module_parse_rate_select()
2042 /* Default to INF-8074 RateSelect operation. The signalling threshold in sfp_module_parse_rate_select()
2044 * SFF-8079 reveals that it is understood that RS0 will be low for in sfp_module_parse_rate_select()
2045 * 1.0625Gb/s and high for 2.125Gb/s. Choose a value half-way between. in sfp_module_parse_rate_select()
2046 * This method exists prior to SFF-8472. in sfp_module_parse_rate_select()
2048 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2049 sfp->rs_threshold_kbd = 1594; in sfp_module_parse_rate_select()
2052 * SFF-8472 rev 9.5 marks this field as reserved. in sfp_module_parse_rate_select()
2053 * SFF-8079 references SFF-8472 rev 9.5 and defines bit 0. SFF-8472 in sfp_module_parse_rate_select()
2055 * SFF-8472 rev 10.2 defines this field using values 0..4 in sfp_module_parse_rate_select()
2056 * SFF-8472 rev 11.0 redefines this field with bit 0 for SFF-8079 in sfp_module_parse_rate_select()
2059 rate_id = sfp->id.base.rate_id; in sfp_module_parse_rate_select()
2064 /* SFF-8472 rev 10.0..10.4 did not account for SFF-8079 using bit 0, in sfp_module_parse_rate_select()
2065 * and allocated value 3 to SFF-8431 independent tx/rx rate select. in sfp_module_parse_rate_select()
2066 * Convert this to a SFF-8472 rev 11.0 rate identifier. in sfp_module_parse_rate_select()
2068 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_rate_select()
2069 sfp->id.ext.sff8472_compliance < SFP_SFF8472_COMPLIANCE_REV11_0 && in sfp_module_parse_rate_select()
2074 /* SFF-8079 RateSelect / Application Select in conjunction with in sfp_module_parse_rate_select()
2075 * SFF-8472 rev 9.5. SFF-8079 defines rate_id as a bitfield in sfp_module_parse_rate_select()
2076 * with only bit 0 used, which takes precedence over SFF-8472. in sfp_module_parse_rate_select()
2078 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_APP_SELECT_SFF8079)) { in sfp_module_parse_rate_select()
2079 /* SFF-8079 Part 1 - rate selection between Fibre in sfp_module_parse_rate_select()
2084 sfp->rs_threshold_kbd = 2125 - 1; in sfp_module_parse_rate_select()
2085 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2090 /* SFF-8472 rev 9.5 does not define the rate identifier */ in sfp_module_parse_rate_select()
2091 if (sfp->id.ext.sff8472_compliance <= SFP_SFF8472_COMPLIANCE_REV9_5) in sfp_module_parse_rate_select()
2094 /* SFF-8472 rev 11.0 defines rate_id as a numerical value which will in sfp_module_parse_rate_select()
2095 * always have bit 0 clear due to SFF-8079's bitfield usage of rate_id. in sfp_module_parse_rate_select()
2099 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2100 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2104 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2105 sfp->rs_state_mask = SFP_F_RS1; in sfp_module_parse_rate_select()
2109 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2110 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2114 sfp->rs_threshold_kbd = 9000; in sfp_module_parse_rate_select()
2115 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2120 /* GPON modules based on Realtek RTL8672 and RTL9601C chips (e.g. V-SOL
2121 * V2801F, CarlitoxxPro CPGOS03-0490, Ubiquiti U-Fiber Instant, ...) do
2122 * not support multibyte reads from the EEPROM. Each multi-byte read
2125 * chips. Moreover every OEM of V-SOL V2801F module puts its own vendor
2127 * module is V-SOL V2801F. Therefore check for those zeros in the read
2133 size_t i, block_size = sfp->i2c_block_size; in sfp_id_needs_byte_io()
2135 /* Already using byte IO */ in sfp_id_needs_byte_io()
2140 if (memchr_inv(buf + i, '\0', min(block_size - 1, len - i))) in sfp_id_needs_byte_io()
2151 if (id->base.phys_id != SFF8024_ID_SFF_8472 || in sfp_cotsworks_fixup_check()
2152 id->base.phys_ext_id != SFP_PHYS_EXT_ID_SFP || in sfp_cotsworks_fixup_check()
2153 id->base.connector != SFF8024_CONNECTOR_LC) { in sfp_cotsworks_fixup_check()
2154 dev_warn(sfp->dev, "Rewriting fiber module EEPROM with corrected values\n"); in sfp_cotsworks_fixup_check()
2155 id->base.phys_id = SFF8024_ID_SFF_8472; in sfp_cotsworks_fixup_check()
2156 id->base.phys_ext_id = SFP_PHYS_EXT_ID_SFP; in sfp_cotsworks_fixup_check()
2157 id->base.connector = SFF8024_CONNECTOR_LC; in sfp_cotsworks_fixup_check()
2158 err = sfp_write(sfp, false, SFP_PHYS_ID, &id->base, 3); in sfp_cotsworks_fixup_check()
2160 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2170 check = sfp_check(&id->base, sizeof(id->base) - 1); in sfp_cotsworks_fixup_check()
2173 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2185 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_module_parse_sff8472()
2186 dev_warn(sfp->dev, in sfp_module_parse_sff8472()
2189 sfp->have_a2 = true; in sfp_module_parse_sff8472()
2196 /* SFP module inserted - read I2C data */ in sfp_sm_mod_probe()
2204 sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_sm_mod_probe()
2209 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2211 return -EAGAIN; in sfp_sm_mod_probe()
2215 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2216 return -EAGAIN; in sfp_sm_mod_probe()
2220 * address 0x51 is just one byte at a time. Also SFF-8472 requires in sfp_sm_mod_probe()
2226 dev_info(sfp->dev, in sfp_sm_mod_probe()
2228 dev_info(sfp->dev, in sfp_sm_mod_probe()
2230 sfp->i2c_block_size = 1; in sfp_sm_mod_probe()
2235 dev_err(sfp->dev, in sfp_sm_mod_probe()
2238 return -EAGAIN; in sfp_sm_mod_probe()
2242 dev_err(sfp->dev, "EEPROM short read: %pe\n", in sfp_sm_mod_probe()
2244 return -EAGAIN; in sfp_sm_mod_probe()
2266 check = sfp_check(&id.base, sizeof(id.base) - 1); in sfp_sm_mod_probe()
2269 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2273 dev_err(sfp->dev, in sfp_sm_mod_probe()
2278 return -EINVAL; in sfp_sm_mod_probe()
2285 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2287 return -EAGAIN; in sfp_sm_mod_probe()
2291 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2292 return -EAGAIN; in sfp_sm_mod_probe()
2295 check = sfp_check(&id.ext, sizeof(id.ext) - 1); in sfp_sm_mod_probe()
2298 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2302 dev_err(sfp->dev, in sfp_sm_mod_probe()
2311 sfp->id = id; in sfp_sm_mod_probe()
2313 dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n", in sfp_sm_mod_probe()
2321 if (!sfp->type->module_supported(&id)) { in sfp_sm_mod_probe()
2322 dev_err(sfp->dev, in sfp_sm_mod_probe()
2323 "module is not supported - phys id 0x%02x 0x%02x\n", in sfp_sm_mod_probe()
2324 sfp->id.base.phys_id, sfp->id.base.phys_ext_id); in sfp_sm_mod_probe()
2325 return -EINVAL; in sfp_sm_mod_probe()
2328 if (sfp->id.ext.sff8472_compliance != SFP_SFF8472_COMPLIANCE_NONE) { in sfp_sm_mod_probe()
2342 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_sm_mod_probe()
2344 if (sfp->gpio[GPIO_TX_FAULT]) in sfp_sm_mod_probe()
2346 if (sfp->gpio[GPIO_LOS]) in sfp_sm_mod_probe()
2348 if (sfp->gpio[GPIO_RS0]) in sfp_sm_mod_probe()
2350 if (sfp->gpio[GPIO_RS1]) in sfp_sm_mod_probe()
2353 sfp->module_t_start_up = T_START_UP; in sfp_sm_mod_probe()
2354 sfp->module_t_wait = T_WAIT; in sfp_sm_mod_probe()
2355 sfp->phy_t_retry = T_PHY_RETRY; in sfp_sm_mod_probe()
2357 sfp->state_ignore_mask = 0; in sfp_sm_mod_probe()
2359 if (sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SFI || in sfp_sm_mod_probe()
2360 sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SR || in sfp_sm_mod_probe()
2361 sfp->id.base.extended_cc == SFF8024_ECC_5GBASE_T || in sfp_sm_mod_probe()
2362 sfp->id.base.extended_cc == SFF8024_ECC_2_5GBASE_T) in sfp_sm_mod_probe()
2363 sfp->mdio_protocol = MDIO_I2C_C45; in sfp_sm_mod_probe()
2364 else if (sfp->id.base.e1000_base_t) in sfp_sm_mod_probe()
2365 sfp->mdio_protocol = MDIO_I2C_MARVELL_C22; in sfp_sm_mod_probe()
2367 sfp->mdio_protocol = MDIO_I2C_NONE; in sfp_sm_mod_probe()
2369 sfp->quirk = sfp_lookup_quirk(&id); in sfp_sm_mod_probe()
2371 mutex_lock(&sfp->st_mutex); in sfp_sm_mod_probe()
2373 sfp->state_hw_mask = mask; in sfp_sm_mod_probe()
2376 sfp->state_hw_drive |= sfp->rs_state_mask; in sfp_sm_mod_probe()
2378 if (sfp->quirk && sfp->quirk->fixup) in sfp_sm_mod_probe()
2379 sfp->quirk->fixup(sfp); in sfp_sm_mod_probe()
2381 sfp->state_hw_mask &= ~sfp->state_ignore_mask; in sfp_sm_mod_probe()
2382 mutex_unlock(&sfp->st_mutex); in sfp_sm_mod_probe()
2389 if (sfp->sm_mod_state > SFP_MOD_WAITDEV) in sfp_sm_mod_remove()
2390 sfp_module_remove(sfp->sfp_bus); in sfp_sm_mod_remove()
2394 memset(&sfp->id, 0, sizeof(sfp->id)); in sfp_sm_mod_remove()
2395 sfp->module_power_mW = 0; in sfp_sm_mod_remove()
2396 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_sm_mod_remove()
2397 sfp->have_a2 = false; in sfp_sm_mod_remove()
2399 dev_info(sfp->dev, "module removed\n"); in sfp_sm_mod_remove()
2405 switch (sfp->sm_dev_state) { in sfp_sm_device()
2408 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2413 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2415 sfp->sm_dev_state = SFP_DEV_UP; in sfp_sm_device()
2420 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2422 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2428 * the on-board EEPROM, and sets up the power level.
2442 if (sfp->sm_dev_state < SFP_DEV_DOWN && in sfp_sm_module()
2443 sfp->sm_mod_state > SFP_MOD_WAITDEV) { in sfp_sm_module()
2444 if (sfp->module_power_mW > 1000 && in sfp_sm_module()
2445 sfp->sm_mod_state > SFP_MOD_HPOWER) in sfp_sm_module()
2451 switch (sfp->sm_mod_state) { in sfp_sm_module()
2455 sfp->sm_mod_tries_init = R_PROBE_RETRY_INIT; in sfp_sm_module()
2456 sfp->sm_mod_tries = R_PROBE_RETRY_SLOW; in sfp_sm_module()
2465 err = sfp_sm_mod_probe(sfp, sfp->sm_mod_tries == 1); in sfp_sm_module()
2466 if (err == -EAGAIN) { in sfp_sm_module()
2467 if (sfp->sm_mod_tries_init && in sfp_sm_module()
2468 --sfp->sm_mod_tries_init) { in sfp_sm_module()
2471 } else if (sfp->sm_mod_tries && --sfp->sm_mod_tries) { in sfp_sm_module()
2472 if (sfp->sm_mod_tries == R_PROBE_RETRY_SLOW - 1) in sfp_sm_module()
2473 dev_warn(sfp->dev, in sfp_sm_module()
2474 "please wait, module slow to respond\n"); in sfp_sm_module()
2484 /* Force a poll to re-read the hardware signal state after in sfp_sm_module()
2487 mod_delayed_work(system_wq, &sfp->poll, 1); in sfp_sm_module()
2491 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_sm_module()
2498 if (sfp->sm_dev_state < SFP_DEV_DOWN) in sfp_sm_module()
2502 err = sfp_module_insert(sfp->sfp_bus, &sfp->id, in sfp_sm_module()
2503 sfp->quirk); in sfp_sm_module()
2510 if (sfp->module_power_mW <= 1000) in sfp_sm_module()
2519 if (err != -EAGAIN) { in sfp_sm_module()
2520 sfp_module_remove(sfp->sfp_bus); in sfp_sm_module()
2552 if (sfp->sm_state != SFP_S_DOWN && in sfp_sm_main()
2553 (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2554 sfp->sm_dev_state != SFP_DEV_UP)) { in sfp_sm_main()
2555 if (sfp->sm_state == SFP_S_LINK_UP && in sfp_sm_main()
2556 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_main()
2558 if (sfp->sm_state > SFP_S_INIT) in sfp_sm_main()
2559 sfp_module_stop(sfp->sfp_bus); in sfp_sm_main()
2560 if (sfp->mod_phy) in sfp_sm_main()
2562 if (sfp->i2c_mii) in sfp_sm_main()
2571 switch (sfp->sm_state) { in sfp_sm_main()
2573 if (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2574 sfp->sm_dev_state != SFP_DEV_UP) in sfp_sm_main()
2578 * memory, which implies that we have some level of SFF-8472 in sfp_sm_main()
2581 if (sfp->have_a2) in sfp_sm_main()
2587 sfp->sm_fault_retries = N_FAULT_INIT; in sfp_sm_main()
2594 sfp_sm_next(sfp, SFP_S_WAIT, sfp->module_t_wait); in sfp_sm_main()
2601 if (sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2602 /* Wait up to t_init (SFF-8472) or t_start_up (SFF-8431) in sfp_sm_main()
2607 timeout = sfp->module_t_start_up; in sfp_sm_main()
2608 if (timeout > sfp->module_t_wait) in sfp_sm_main()
2609 timeout -= sfp->module_t_wait; in sfp_sm_main()
2623 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2628 sfp->sm_fault_retries == N_FAULT_INIT); in sfp_sm_main()
2637 sfp->sm_phy_retries = R_PHY_RETRY; in sfp_sm_main()
2650 if (ret == -ENODEV) { in sfp_sm_main()
2651 if (--sfp->sm_phy_retries) { in sfp_sm_main()
2653 sfp->phy_t_retry); in sfp_sm_main()
2654 dev_dbg(sfp->dev, in sfp_sm_main()
2656 sfp->sm_phy_retries); in sfp_sm_main()
2659 dev_info(sfp->dev, "no PHY detected\n"); in sfp_sm_main()
2665 if (sfp_module_start(sfp->sfp_bus)) { in sfp_sm_main()
2672 sfp->sm_fault_retries = N_FAULT; in sfp_sm_main()
2678 sfp_sm_next(sfp, SFP_S_INIT, sfp->module_t_start_up); in sfp_sm_main()
2702 sfp_sm_next(sfp, SFP_S_REINIT, sfp->module_t_start_up); in sfp_sm_main()
2707 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2710 dev_info(sfp->dev, "module transmit fault recovered\n"); in sfp_sm_main()
2722 dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", in __sfp_sm_event()
2723 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2724 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2725 sm_state_to_str(sfp->sm_state), in __sfp_sm_event()
2732 dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", in __sfp_sm_event()
2733 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2734 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2735 sm_state_to_str(sfp->sm_state)); in __sfp_sm_event()
2740 mutex_lock(&sfp->sm_mutex); in sfp_sm_event()
2742 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
2769 sfp->rate_kbd = rate_kbd; in sfp_set_signal_rate()
2771 if (rate_kbd > sfp->rs_threshold_kbd) in sfp_set_signal_rate()
2772 set = sfp->rs_state_mask; in sfp_set_signal_rate()
2783 if (sfp->id.ext.sff8472_compliance && in sfp_module_info()
2784 !(sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE)) { in sfp_module_info()
2785 modinfo->type = ETH_MODULE_SFF_8472; in sfp_module_info()
2786 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; in sfp_module_info()
2788 modinfo->type = ETH_MODULE_SFF_8079; in sfp_module_info()
2789 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; in sfp_module_info()
2800 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom()
2801 return -ENODEV; in sfp_module_eeprom()
2803 if (ee->len == 0) in sfp_module_eeprom()
2804 return -EINVAL; in sfp_module_eeprom()
2806 first = ee->offset; in sfp_module_eeprom()
2807 last = ee->offset + ee->len; in sfp_module_eeprom()
2810 len -= first; in sfp_module_eeprom()
2821 len -= first; in sfp_module_eeprom()
2822 first -= ETH_MODULE_SFF_8079_LEN; in sfp_module_eeprom()
2835 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom_by_page()
2836 return -ENODEV; in sfp_module_eeprom_by_page()
2838 if (page->bank) { in sfp_module_eeprom_by_page()
2840 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2843 if (page->page) { in sfp_module_eeprom_by_page()
2845 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2848 if (page->i2c_address != 0x50 && in sfp_module_eeprom_by_page()
2849 page->i2c_address != 0x51) { in sfp_module_eeprom_by_page()
2851 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2854 return sfp_read(sfp, page->i2c_address == 0x51, page->offset, in sfp_module_eeprom_by_page()
2855 page->data, page->length); in sfp_module_eeprom_by_page()
2883 mutex_lock(&sfp->st_mutex); in sfp_check_state()
2885 changed = state ^ sfp->state; in sfp_check_state()
2890 dev_dbg(sfp->dev, "%s %u -> %u\n", gpio_names[i], in sfp_check_state()
2891 !!(sfp->state & BIT(i)), !!(state & BIT(i))); in sfp_check_state()
2893 state |= sfp->state & SFP_F_OUTPUTS; in sfp_check_state()
2894 sfp->state = state; in sfp_check_state()
2895 mutex_unlock(&sfp->st_mutex); in sfp_check_state()
2897 mutex_lock(&sfp->sm_mutex); in sfp_check_state()
2909 mutex_unlock(&sfp->sm_mutex); in sfp_check_state()
2930 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) || in sfp_poll()
2931 sfp->need_poll) in sfp_poll()
2932 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_poll()
2941 return ERR_PTR(-ENOMEM); in sfp_alloc()
2943 sfp->dev = dev; in sfp_alloc()
2944 sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_alloc()
2946 mutex_init(&sfp->sm_mutex); in sfp_alloc()
2947 mutex_init(&sfp->st_mutex); in sfp_alloc()
2948 INIT_DELAYED_WORK(&sfp->poll, sfp_poll); in sfp_alloc()
2949 INIT_DELAYED_WORK(&sfp->timeout, sfp_timeout); in sfp_alloc()
2962 cancel_delayed_work_sync(&sfp->poll); in sfp_cleanup()
2963 cancel_delayed_work_sync(&sfp->timeout); in sfp_cleanup()
2964 if (sfp->i2c_mii) { in sfp_cleanup()
2965 mdiobus_unregister(sfp->i2c_mii); in sfp_cleanup()
2966 mdiobus_free(sfp->i2c_mii); in sfp_cleanup()
2968 if (sfp->i2c) in sfp_cleanup()
2969 i2c_put_adapter(sfp->i2c); in sfp_cleanup()
2979 h = fwnode_find_reference(dev_fwnode(sfp->dev), "i2c-bus", 0); in sfp_i2c_get()
2981 dev_err(sfp->dev, "missing 'i2c-bus' property\n"); in sfp_i2c_get()
2982 return -ENODEV; in sfp_i2c_get()
2987 err = -EPROBE_DEFER; in sfp_i2c_get()
3006 sfp = sfp_alloc(&pdev->dev); in sfp_probe()
3012 err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); in sfp_probe()
3016 sff = device_get_match_data(sfp->dev); in sfp_probe()
3020 sfp->type = sff; in sfp_probe()
3027 if (sff->gpios & BIT(i)) { in sfp_probe()
3028 sfp->gpio[i] = devm_gpiod_get_optional(sfp->dev, in sfp_probe()
3030 if (IS_ERR(sfp->gpio[i])) in sfp_probe()
3031 return PTR_ERR(sfp->gpio[i]); in sfp_probe()
3034 sfp->state_hw_mask = SFP_F_PRESENT; in sfp_probe()
3035 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_probe()
3037 sfp->get_state = sfp_gpio_get_state; in sfp_probe()
3038 sfp->set_state = sfp_gpio_set_state; in sfp_probe()
3041 if (!(sfp->gpio[GPIO_MODDEF0])) in sfp_probe()
3042 sfp->get_state = sff_gpio_get_state; in sfp_probe()
3044 device_property_read_u32(&pdev->dev, "maximum-power-milliwatt", in sfp_probe()
3045 &sfp->max_power_mW); in sfp_probe()
3046 if (sfp->max_power_mW < 1000) { in sfp_probe()
3047 if (sfp->max_power_mW) in sfp_probe()
3048 dev_warn(sfp->dev, in sfp_probe()
3050 sfp->max_power_mW = 1000; in sfp_probe()
3053 dev_info(sfp->dev, "Host maximum power %u.%uW\n", in sfp_probe()
3054 sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); in sfp_probe()
3059 sfp->state = sfp_get_state(sfp) | SFP_F_TX_DISABLE; in sfp_probe()
3061 if (sfp->gpio[GPIO_RS0] && in sfp_probe()
3062 gpiod_get_value_cansleep(sfp->gpio[GPIO_RS0])) in sfp_probe()
3063 sfp->state |= SFP_F_RS0; in sfp_probe()
3064 sfp_set_state(sfp, sfp->state); in sfp_probe()
3066 if (sfp->state & SFP_F_PRESENT) { in sfp_probe()
3073 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_probe()
3076 sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); in sfp_probe()
3077 if (sfp->gpio_irq[i] < 0) { in sfp_probe()
3078 sfp->gpio_irq[i] = 0; in sfp_probe()
3079 sfp->need_poll = true; in sfp_probe()
3083 sfp_irq_name = devm_kasprintf(sfp->dev, GFP_KERNEL, in sfp_probe()
3084 "%s-%s", dev_name(sfp->dev), in sfp_probe()
3088 return -ENOMEM; in sfp_probe()
3090 err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i], in sfp_probe()
3097 sfp->gpio_irq[i] = 0; in sfp_probe()
3098 sfp->need_poll = true; in sfp_probe()
3102 if (sfp->need_poll) in sfp_probe()
3103 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_probe()
3110 if (!sfp->gpio[GPIO_TX_DISABLE]) in sfp_probe()
3111 dev_warn(sfp->dev, in sfp_probe()
3114 sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); in sfp_probe()
3115 if (!sfp->sfp_bus) in sfp_probe()
3116 return -ENOMEM; in sfp_probe()
3128 sfp_unregister_socket(sfp->sfp_bus); in sfp_remove()
3141 if (!sfp->gpio_irq[i]) in sfp_shutdown()
3144 devm_free_irq(sfp->dev, sfp->gpio_irq[i], sfp); in sfp_shutdown()
3147 cancel_delayed_work_sync(&sfp->poll); in sfp_shutdown()
3148 cancel_delayed_work_sync(&sfp->timeout); in sfp_shutdown()