Lines Matching +full:slow +full:- +full:io +full:- +full:gpios
1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/mdio/mdio-i2c.h>
149 "mod-def0",
151 "tx-fault",
152 "tx-disable",
153 "rate-select0",
154 "rate-select1",
166 /* t_start_up (SFF-8431) or t_init (SFF-8472) is the time required for a
167 * non-cooled module to initialise its laser safety circuitry. We wait
199 * The SFF-8472 specifies t_serial ("Time from power on until module is
210 * 0x56 (which with mdio-i2c, translates to a PHY address of 22).
212 * via address 0x51 (mdio-i2c will use RollBall protocol on this address).
226 unsigned int gpios; member
305 mod_delayed_work(system_percpu_wq, &sfp->poll, SFP_POLL_INTERVAL); in sfp_schedule_poll()
310 return id->base.phys_id == SFF8024_ID_SFF_8472 && in sff_module_supported()
311 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP; in sff_module_supported()
315 .gpios = SFP_F_LOS | SFP_F_TX_FAULT | SFP_F_TX_DISABLE,
321 if (id->base.phys_id == SFF8024_ID_SFP && in sfp_module_supported()
322 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP) in sfp_module_supported()
325 /* SFP GPON module Ubiquiti U-Fiber Instant has in its EEPROM stored in sfp_module_supported()
329 if (id->base.phys_id == SFF8024_ID_SFF_8472 && in sfp_module_supported()
330 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP && in sfp_module_supported()
331 !memcmp(id->base.vendor_name, "UBNT ", 16) && in sfp_module_supported()
332 !memcmp(id->base.vendor_pn, "UF-INSTANT ", 16)) in sfp_module_supported()
339 .gpios = SFP_F_PRESENT | SFP_F_LOS | SFP_F_TX_FAULT |
353 sfp->module_t_start_up = T_START_UP_BAD_GPON; in sfp_fixup_long_startup()
359 sfp->state_ignore_mask |= SFP_F_LOS; in sfp_fixup_ignore_los()
361 sfp->id.ext.options &= ~cpu_to_be16(SFP_OPTIONS_LOS_INVERTED | in sfp_fixup_ignore_los()
367 sfp->state_ignore_mask |= SFP_F_TX_FAULT; in sfp_fixup_ignore_tx_fault()
372 sfp->state_hw_mask &= ~mask; in sfp_fixup_ignore_hw()
381 // For 10GBASE-T short-reach modules
384 sfp->id.base.connector = SFF8024_CONNECTOR_RJ45; in sfp_fixup_10gbaset_30m()
385 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SR; in sfp_fixup_10gbaset_30m()
390 sfp->mdio_protocol = MDIO_I2C_ROLLBALL; in sfp_fixup_rollball()
397 sfp->phy_t_retry = msecs_to_jiffies(1000); in sfp_fixup_rollball()
408 sfp->module_t_wait = msecs_to_jiffies(4000); in sfp_fixup_rollball_wait4s()
445 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SFI; in sfp_fixup_rollball_cc()
452 caps->link_modes); in sfp_quirk_2500basex()
453 __set_bit(PHY_INTERFACE_MODE_2500BASEX, caps->interfaces); in sfp_quirk_2500basex()
459 linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, caps->link_modes); in sfp_quirk_disable_autoneg()
467 caps->link_modes); in sfp_quirk_oem_2_5g()
468 __set_bit(PHY_INTERFACE_MODE_2500BASEX, caps->interfaces); in sfp_quirk_oem_2_5g()
475 /* Ubiquiti U-Fiber Instant module claims that support all transceiver in sfp_quirk_ubnt_uf_instant()
479 linkmode_zero(caps->link_modes); in sfp_quirk_ubnt_uf_instant()
481 caps->link_modes); in sfp_quirk_ubnt_uf_instant()
490 // Alcatel Lucent G-010S-P can operate at 2500base-X, but incorrectly
495 // Alcatel Lucent G-010S-A can operate at 2500base-X, but report 3.2GBd
500 // FLYPRO SFP-10GT-CS-30M uses Rollball protocol to talk to the PHY.
501 SFP_QUIRK_F("FLYPRO", "SFP-10GT-CS-30M", sfp_fixup_rollball),
503 // Fiberstore SFP-10G-T doesn't identify as copper, uses the Rollball
506 SFP_QUIRK_F("FS", "SFP-10G-T", sfp_fixup_fs_10gt),
508 // Fiberstore SFP-2.5G-T and SFP-10GM-T uses Rollball protocol to talk
510 SFP_QUIRK_F("FS", "SFP-2.5G-T", sfp_fixup_rollball_wait4s),
511 SFP_QUIRK_F("FS", "SFP-10GM-T", sfp_fixup_rollball_wait4s),
513 // Fiberstore GPON-ONU-34-20BI can operate at 2500base-X, but report 1.2GBd
515 SFP_QUIRK("FS", "GPON-ONU-34-20BI", sfp_quirk_2500basex,
518 SFP_QUIRK_F("HALNy", "HL-GSFP", sfp_fixup_halny_gsfp),
520 // HG MXPD-483II-F 2.5G supports 2500Base-X, but incorrectly reports
522 SFP_QUIRK_S("HG GENUINE", "MXPD-483II", sfp_quirk_2500basex),
524 // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd NRZ in
529 // Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
531 SFP_QUIRK_S("Lantech", "8330-262D-E", sfp_quirk_2500basex),
533 SFP_QUIRK_S("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant),
535 // Walsun HXSX-ATR[CI]-1 don't identify as copper, and use the
537 SFP_QUIRK_F("Walsun", "HXSX-ATRC-1", sfp_fixup_fs_10gt),
538 SFP_QUIRK_F("Walsun", "HXSX-ATRI-1", sfp_fixup_fs_10gt),
540 SFP_QUIRK_F("YV", "SFP+ONU-XGSPON", sfp_fixup_potron),
542 // OEM SFP-GE-T is a 1000Base-T module with broken TX_FAULT indicator
543 SFP_QUIRK_F("OEM", "SFP-GE-T", sfp_fixup_ignore_tx_fault),
545 SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc),
546 SFP_QUIRK_S("OEM", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
547 SFP_QUIRK_S("OEM", "SFP-2.5G-BX10-D", sfp_quirk_2500basex),
548 SFP_QUIRK_S("OEM", "SFP-2.5G-BX10-U", sfp_quirk_2500basex),
549 SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc),
550 SFP_QUIRK_F("OEM", "RTSFP-10G", sfp_fixup_rollball_cc),
551 SFP_QUIRK_F("Turris", "RTSFP-2.5G", sfp_fixup_rollball),
552 SFP_QUIRK_F("Turris", "RTSFP-10", sfp_fixup_rollball),
553 SFP_QUIRK_F("Turris", "RTSFP-10G", sfp_fixup_rollball),
561 * some manufacturers can't read SFF-8472 and use NUL. in sfp_strlen()
585 vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name)); in sfp_lookup_quirk()
586 ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn)); in sfp_lookup_quirk()
589 if (sfp_match(q->vendor, id->base.vendor_name, vs) && in sfp_lookup_quirk()
590 sfp_match(q->part, id->base.vendor_pn, ps)) in sfp_lookup_quirk()
601 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_gpio_get_state()
604 v = gpiod_get_value_cansleep(sfp->gpio[i]); in sfp_gpio_get_state()
623 drive = sfp->state_hw_drive; in sfp_gpio_set_state()
625 /* Otherwise, let them float to the pull-ups */ in sfp_gpio_set_state()
628 if (sfp->gpio[GPIO_TX_DISABLE]) { in sfp_gpio_set_state()
630 gpiod_direction_output(sfp->gpio[GPIO_TX_DISABLE], in sfp_gpio_set_state()
633 gpiod_direction_input(sfp->gpio[GPIO_TX_DISABLE]); in sfp_gpio_set_state()
636 if (sfp->gpio[GPIO_RS0]) { in sfp_gpio_set_state()
638 gpiod_direction_output(sfp->gpio[GPIO_RS0], in sfp_gpio_set_state()
641 gpiod_direction_input(sfp->gpio[GPIO_RS0]); in sfp_gpio_set_state()
644 if (sfp->gpio[GPIO_RS1]) { in sfp_gpio_set_state()
646 gpiod_direction_output(sfp->gpio[GPIO_RS1], in sfp_gpio_set_state()
649 gpiod_direction_input(sfp->gpio[GPIO_RS1]); in sfp_gpio_set_state()
658 size_t block_size = sfp->i2c_block_size; in sfp_i2c_read()
678 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_read()
687 len -= this_len; in sfp_i2c_read()
690 return msgs[1].buf - (u8 *)buf; in sfp_i2c_read()
705 return -ENOMEM; in sfp_i2c_write()
710 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_write()
729 ret = i2c_smbus_xfer(sfp->i2c, bus_addr, 0, in sfp_smbus_byte_read()
737 len--; in sfp_smbus_byte_read()
742 return data - (u8 *)buf; in sfp_smbus_byte_read()
755 ret = i2c_smbus_xfer(sfp->i2c, bus_addr, 0, in sfp_smbus_byte_write()
761 len--; in sfp_smbus_byte_write()
771 sfp->i2c = i2c; in sfp_i2c_configure()
774 sfp->read = sfp_i2c_read; in sfp_i2c_configure()
775 sfp->write = sfp_i2c_write; in sfp_i2c_configure()
776 sfp->i2c_max_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_i2c_configure()
778 sfp->read = sfp_smbus_byte_read; in sfp_i2c_configure()
779 sfp->write = sfp_smbus_byte_write; in sfp_i2c_configure()
780 sfp->i2c_max_block_size = 1; in sfp_i2c_configure()
782 sfp->i2c = NULL; in sfp_i2c_configure()
783 return -EINVAL; in sfp_i2c_configure()
794 i2c_mii = mdio_i2c_alloc(sfp->dev, sfp->i2c, sfp->mdio_protocol); in sfp_i2c_mdiobus_create()
798 i2c_mii->name = "SFP I2C Bus"; in sfp_i2c_mdiobus_create()
799 i2c_mii->phy_mask = ~0; in sfp_i2c_mdiobus_create()
807 sfp->i2c_mii = i2c_mii; in sfp_i2c_mdiobus_create()
814 mdiobus_unregister(sfp->i2c_mii); in sfp_i2c_mdiobus_destroy()
815 sfp->i2c_mii = NULL; in sfp_i2c_mdiobus_destroy()
821 return sfp->read(sfp, a2, addr, buf, len); in sfp_read()
826 return sfp->write(sfp, a2, addr, buf, len); in sfp_write()
858 dev_err_ratelimited(sfp->dev, in sfp_soft_get_state()
862 state = sfp->state; in sfp_soft_get_state()
865 return state & sfp->state_soft_mask; in sfp_soft_get_state()
899 const struct sfp_eeprom_id *id = &sfp->id; in sfp_soft_start_poll()
902 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_DISABLE) in sfp_soft_start_poll()
904 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_FAULT) in sfp_soft_start_poll()
906 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RX_LOS) in sfp_soft_start_poll()
908 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RATE_SELECT) in sfp_soft_start_poll()
909 mask |= sfp->rs_state_mask; in sfp_soft_start_poll()
911 mutex_lock(&sfp->st_mutex); in sfp_soft_start_poll()
913 sfp->state_soft_mask = ~sfp->state_hw_mask & ~sfp->state_ignore_mask & in sfp_soft_start_poll()
916 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) && in sfp_soft_start_poll()
917 !sfp->need_poll) in sfp_soft_start_poll()
919 mutex_unlock(&sfp->st_mutex); in sfp_soft_start_poll()
924 mutex_lock(&sfp->st_mutex); in sfp_soft_stop_poll()
925 sfp->state_soft_mask = 0; in sfp_soft_stop_poll()
926 mutex_unlock(&sfp->st_mutex); in sfp_soft_stop_poll()
929 /* sfp_get_state() - must be called with st_mutex held, or in the
934 unsigned int soft = sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT); in sfp_get_state()
937 state = sfp->get_state(sfp) & sfp->state_hw_mask; in sfp_get_state()
944 /* sfp_set_state() - must be called with st_mutex held, or in the
951 sfp->set_state(sfp, state); in sfp_set_state()
953 soft = sfp->state_soft_mask & SFP_F_OUTPUTS; in sfp_set_state()
960 mutex_lock(&sfp->st_mutex); in sfp_mod_state()
961 sfp->state = (sfp->state & ~mask) | set; in sfp_mod_state()
962 sfp_set_state(sfp, sfp->state); in sfp_mod_state()
963 mutex_unlock(&sfp->st_mutex); in sfp_mod_state()
970 for (p = buf, check = 0; len; p++, len--) in sfp_check()
995 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1014 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1033 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1049 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && in sfp_hwmon_is_visible()
1061 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1097 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) in sfp_hwmon_calibrate()
1103 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), in sfp_hwmon_calibrate_temp()
1104 be16_to_cpu(sfp->diag.cal_t_offset), value); in sfp_hwmon_calibrate_temp()
1107 *value -= 0x10000; in sfp_hwmon_calibrate_temp()
1114 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), in sfp_hwmon_calibrate_vcc()
1115 be16_to_cpu(sfp->diag.cal_v_offset), value); in sfp_hwmon_calibrate_vcc()
1122 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), in sfp_hwmon_calibrate_bias()
1123 be16_to_cpu(sfp->diag.cal_txi_offset), value); in sfp_hwmon_calibrate_bias()
1130 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), in sfp_hwmon_calibrate_tx_power()
1131 be16_to_cpu(sfp->diag.cal_txpwr_offset), value); in sfp_hwmon_calibrate_tx_power()
1211 *value = be16_to_cpu(sfp->diag.temp_low_alarm); in sfp_hwmon_temp()
1216 *value = be16_to_cpu(sfp->diag.temp_low_warn); in sfp_hwmon_temp()
1220 *value = be16_to_cpu(sfp->diag.temp_high_warn); in sfp_hwmon_temp()
1225 *value = be16_to_cpu(sfp->diag.temp_high_alarm); in sfp_hwmon_temp()
1261 return -EOPNOTSUPP; in sfp_hwmon_temp()
1264 return -EOPNOTSUPP; in sfp_hwmon_temp()
1277 *value = be16_to_cpu(sfp->diag.volt_low_alarm); in sfp_hwmon_vcc()
1282 *value = be16_to_cpu(sfp->diag.volt_low_warn); in sfp_hwmon_vcc()
1287 *value = be16_to_cpu(sfp->diag.volt_high_warn); in sfp_hwmon_vcc()
1292 *value = be16_to_cpu(sfp->diag.volt_high_alarm); in sfp_hwmon_vcc()
1328 return -EOPNOTSUPP; in sfp_hwmon_vcc()
1331 return -EOPNOTSUPP; in sfp_hwmon_vcc()
1344 *value = be16_to_cpu(sfp->diag.bias_low_alarm); in sfp_hwmon_bias()
1349 *value = be16_to_cpu(sfp->diag.bias_low_warn); in sfp_hwmon_bias()
1354 *value = be16_to_cpu(sfp->diag.bias_high_warn); in sfp_hwmon_bias()
1359 *value = be16_to_cpu(sfp->diag.bias_high_alarm); in sfp_hwmon_bias()
1395 return -EOPNOTSUPP; in sfp_hwmon_bias()
1398 return -EOPNOTSUPP; in sfp_hwmon_bias()
1411 *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); in sfp_hwmon_tx_power()
1416 *value = be16_to_cpu(sfp->diag.txpwr_low_warn); in sfp_hwmon_tx_power()
1421 *value = be16_to_cpu(sfp->diag.txpwr_high_warn); in sfp_hwmon_tx_power()
1426 *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); in sfp_hwmon_tx_power()
1462 return -EOPNOTSUPP; in sfp_hwmon_tx_power()
1465 return -EOPNOTSUPP; in sfp_hwmon_tx_power()
1478 *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); in sfp_hwmon_rx_power()
1483 *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); in sfp_hwmon_rx_power()
1488 *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); in sfp_hwmon_rx_power()
1493 *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); in sfp_hwmon_rx_power()
1529 return -EOPNOTSUPP; in sfp_hwmon_rx_power()
1532 return -EOPNOTSUPP; in sfp_hwmon_rx_power()
1554 return -EOPNOTSUPP; in sfp_hwmon_read()
1557 return -EOPNOTSUPP; in sfp_hwmon_read()
1577 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1586 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1595 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1604 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1608 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1611 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1678 if (sfp->i2c_block_size < 2) { in sfp_hwmon_probe()
1679 dev_info(sfp->dev, in sfp_hwmon_probe()
1681 dev_info(sfp->dev, in sfp_hwmon_probe()
1686 err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); in sfp_hwmon_probe()
1688 if (sfp->hwmon_tries--) { in sfp_hwmon_probe()
1689 mod_delayed_work(system_percpu_wq, &sfp->hwmon_probe, in sfp_hwmon_probe()
1692 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_hwmon_probe()
1698 sfp->hwmon_name = hwmon_sanitize_name(dev_name(sfp->dev)); in sfp_hwmon_probe()
1699 if (IS_ERR(sfp->hwmon_name)) { in sfp_hwmon_probe()
1700 dev_err(sfp->dev, "out of memory for hwmon name\n"); in sfp_hwmon_probe()
1704 sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, in sfp_hwmon_probe()
1705 sfp->hwmon_name, sfp, in sfp_hwmon_probe()
1708 if (IS_ERR(sfp->hwmon_dev)) in sfp_hwmon_probe()
1709 dev_err(sfp->dev, "failed to register hwmon device: %ld\n", in sfp_hwmon_probe()
1710 PTR_ERR(sfp->hwmon_dev)); in sfp_hwmon_probe()
1715 if (sfp->have_a2 && sfp->id.ext.diagmon & SFP_DIAGMON_DDM) { in sfp_hwmon_insert()
1716 mod_delayed_work(system_percpu_wq, &sfp->hwmon_probe, 1); in sfp_hwmon_insert()
1717 sfp->hwmon_tries = R_PROBE_RETRY_SLOW; in sfp_hwmon_insert()
1725 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_remove()
1726 if (!IS_ERR_OR_NULL(sfp->hwmon_dev)) { in sfp_hwmon_remove()
1727 hwmon_device_unregister(sfp->hwmon_dev); in sfp_hwmon_remove()
1728 sfp->hwmon_dev = NULL; in sfp_hwmon_remove()
1729 kfree(sfp->hwmon_name); in sfp_hwmon_remove()
1735 INIT_DELAYED_WORK(&sfp->hwmon_probe, sfp_hwmon_probe); in sfp_hwmon_init()
1742 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_exit()
1767 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_disable()
1768 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 1); in sfp_module_tx_disable()
1774 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_enable()
1775 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 0); in sfp_module_tx_enable()
1782 struct sfp *sfp = s->private; in sfp_debug_state_show()
1785 mod_state_to_str(sfp->sm_mod_state)); in sfp_debug_state_show()
1787 R_PROBE_RETRY_INIT - sfp->sm_mod_tries_init, in sfp_debug_state_show()
1788 R_PROBE_RETRY_SLOW - sfp->sm_mod_tries); in sfp_debug_state_show()
1790 dev_state_to_str(sfp->sm_dev_state)); in sfp_debug_state_show()
1792 sm_state_to_str(sfp->sm_state)); in sfp_debug_state_show()
1794 sfp->sm_fault_retries); in sfp_debug_state_show()
1796 sfp->sm_phy_retries); in sfp_debug_state_show()
1797 seq_printf(s, "Signalling rate: %u kBd\n", sfp->rate_kbd); in sfp_debug_state_show()
1799 sfp->rs_threshold_kbd); in sfp_debug_state_show()
1800 seq_printf(s, "moddef0: %d\n", !!(sfp->state & SFP_F_PRESENT)); in sfp_debug_state_show()
1801 seq_printf(s, "rx_los: %d\n", !!(sfp->state & SFP_F_LOS)); in sfp_debug_state_show()
1802 seq_printf(s, "tx_fault: %d\n", !!(sfp->state & SFP_F_TX_FAULT)); in sfp_debug_state_show()
1803 seq_printf(s, "tx_disable: %d\n", !!(sfp->state & SFP_F_TX_DISABLE)); in sfp_debug_state_show()
1804 seq_printf(s, "rs0: %d\n", !!(sfp->state & SFP_F_RS0)); in sfp_debug_state_show()
1805 seq_printf(s, "rs1: %d\n", !!(sfp->state & SFP_F_RS1)); in sfp_debug_state_show()
1812 sfp->debugfs_dir = debugfs_create_dir(dev_name(sfp->dev), NULL); in sfp_debugfs_init()
1814 debugfs_create_file("state", 0600, sfp->debugfs_dir, sfp, in sfp_debugfs_init()
1820 debugfs_remove_recursive(sfp->debugfs_dir); in sfp_debugfs_exit()
1836 mutex_lock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1837 state = sfp->state; in sfp_module_tx_fault_reset()
1845 mutex_unlock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1852 mod_delayed_work(system_power_efficient_wq, &sfp->timeout, in sfp_sm_set_timer()
1855 cancel_delayed_work(&sfp->timeout); in sfp_sm_set_timer()
1861 sfp->sm_state = state; in sfp_sm_next()
1868 sfp->sm_mod_state = state; in sfp_sm_mod_next()
1874 sfp_remove_phy(sfp->sfp_bus); in sfp_sm_phy_detach()
1875 phy_device_remove(sfp->mod_phy); in sfp_sm_phy_detach()
1876 phy_device_free(sfp->mod_phy); in sfp_sm_phy_detach()
1877 sfp->mod_phy = NULL; in sfp_sm_phy_detach()
1885 phy = get_phy_device(sfp->i2c_mii, addr, is_c45); in sfp_sm_probe_phy()
1886 if (phy == ERR_PTR(-ENODEV)) in sfp_sm_probe_phy()
1889 dev_err(sfp->dev, "mdiobus scan returned %pe\n", phy); in sfp_sm_probe_phy()
1894 phy->is_on_sfp_module = true; in sfp_sm_probe_phy()
1899 dev_err(sfp->dev, "phy_device_register failed: %pe\n", in sfp_sm_probe_phy()
1904 err = sfp_add_phy(sfp->sfp_bus, phy); in sfp_sm_probe_phy()
1908 dev_err(sfp->dev, "sfp_add_phy failed: %pe\n", ERR_PTR(err)); in sfp_sm_probe_phy()
1912 sfp->mod_phy = phy; in sfp_sm_probe_phy()
1919 sfp_link_up(sfp->sfp_bus); in sfp_sm_link_up()
1925 sfp_link_down(sfp->sfp_bus); in sfp_sm_link_down()
1932 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_sm_link_check_los()
1940 los = !(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1942 los = !!(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1954 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_active()
1964 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_inactive()
1972 if (sfp->sm_fault_retries && !--sfp->sm_fault_retries) { in sfp_sm_fault()
1973 dev_err(sfp->dev, in sfp_sm_fault()
1978 dev_err(sfp->dev, "module transmit fault indicated\n"); in sfp_sm_fault()
1986 if (sfp->mdio_protocol != MDIO_I2C_NONE) in sfp_sm_add_mdio_bus()
1992 /* Probe a SFP for a PHY device if the module supports copper - the PHY
1997 * negotiation enabled, but some may be in 1000base-X - which is for the
2007 switch (sfp->mdio_protocol) { in sfp_sm_probe_for_phy()
2032 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_power()
2033 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL)) in sfp_module_parse_power()
2036 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV11_4 && in sfp_module_parse_power()
2037 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL)) in sfp_module_parse_power()
2042 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
2046 supports_a2 = sfp->id.ext.sff8472_compliance != in sfp_module_parse_power()
2048 sfp->id.ext.diagmon & SFP_DIAGMON_DDM; in sfp_module_parse_power()
2050 if (power_mW > sfp->max_power_mW) { in sfp_module_parse_power()
2057 dev_err(sfp->dev, in sfp_module_parse_power()
2060 return -EINVAL; in sfp_module_parse_power()
2062 dev_warn(sfp->dev, in sfp_module_parse_power()
2081 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) { in sfp_module_parse_power()
2082 dev_warn(sfp->dev, in sfp_module_parse_power()
2088 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
2101 dev_err(sfp->dev, "failed to %sable high power: %pe\n", in sfp_sm_mod_hpower()
2103 return -EAGAIN; in sfp_sm_mod_hpower()
2107 dev_info(sfp->dev, "Module switched to %u.%uW power level\n", in sfp_sm_mod_hpower()
2108 sfp->module_power_mW / 1000, in sfp_sm_mod_hpower()
2109 (sfp->module_power_mW / 100) % 10); in sfp_sm_mod_hpower()
2118 sfp->rs_threshold_kbd = 0; in sfp_module_parse_rate_select()
2119 sfp->rs_state_mask = 0; in sfp_module_parse_rate_select()
2121 if (!(sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_RATE_SELECT))) in sfp_module_parse_rate_select()
2125 /* Default to INF-8074 RateSelect operation. The signalling threshold in sfp_module_parse_rate_select()
2127 * SFF-8079 reveals that it is understood that RS0 will be low for in sfp_module_parse_rate_select()
2128 * 1.0625Gb/s and high for 2.125Gb/s. Choose a value half-way between. in sfp_module_parse_rate_select()
2129 * This method exists prior to SFF-8472. in sfp_module_parse_rate_select()
2131 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2132 sfp->rs_threshold_kbd = 1594; in sfp_module_parse_rate_select()
2135 * SFF-8472 rev 9.5 marks this field as reserved. in sfp_module_parse_rate_select()
2136 * SFF-8079 references SFF-8472 rev 9.5 and defines bit 0. SFF-8472 in sfp_module_parse_rate_select()
2138 * SFF-8472 rev 10.2 defines this field using values 0..4 in sfp_module_parse_rate_select()
2139 * SFF-8472 rev 11.0 redefines this field with bit 0 for SFF-8079 in sfp_module_parse_rate_select()
2142 rate_id = sfp->id.base.rate_id; in sfp_module_parse_rate_select()
2147 /* SFF-8472 rev 10.0..10.4 did not account for SFF-8079 using bit 0, in sfp_module_parse_rate_select()
2148 * and allocated value 3 to SFF-8431 independent tx/rx rate select. in sfp_module_parse_rate_select()
2149 * Convert this to a SFF-8472 rev 11.0 rate identifier. in sfp_module_parse_rate_select()
2151 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_rate_select()
2152 sfp->id.ext.sff8472_compliance < SFP_SFF8472_COMPLIANCE_REV11_0 && in sfp_module_parse_rate_select()
2157 /* SFF-8079 RateSelect / Application Select in conjunction with in sfp_module_parse_rate_select()
2158 * SFF-8472 rev 9.5. SFF-8079 defines rate_id as a bitfield in sfp_module_parse_rate_select()
2159 * with only bit 0 used, which takes precedence over SFF-8472. in sfp_module_parse_rate_select()
2161 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_APP_SELECT_SFF8079)) { in sfp_module_parse_rate_select()
2162 /* SFF-8079 Part 1 - rate selection between Fibre in sfp_module_parse_rate_select()
2167 sfp->rs_threshold_kbd = 2125 - 1; in sfp_module_parse_rate_select()
2168 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2173 /* SFF-8472 rev 9.5 does not define the rate identifier */ in sfp_module_parse_rate_select()
2174 if (sfp->id.ext.sff8472_compliance <= SFP_SFF8472_COMPLIANCE_REV9_5) in sfp_module_parse_rate_select()
2177 /* SFF-8472 rev 11.0 defines rate_id as a numerical value which will in sfp_module_parse_rate_select()
2178 * always have bit 0 clear due to SFF-8079's bitfield usage of rate_id. in sfp_module_parse_rate_select()
2182 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2183 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2187 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2188 sfp->rs_state_mask = SFP_F_RS1; in sfp_module_parse_rate_select()
2192 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2193 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2197 sfp->rs_threshold_kbd = 9000; in sfp_module_parse_rate_select()
2198 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2203 /* GPON modules based on Realtek RTL8672 and RTL9601C chips (e.g. V-SOL
2204 * V2801F, CarlitoxxPro CPGOS03-0490, Ubiquiti U-Fiber Instant, ...) do
2205 * not support multibyte reads from the EEPROM. Each multi-byte read
2208 * chips. Moreover every OEM of V-SOL V2801F module puts its own vendor
2210 * module is V-SOL V2801F. Therefore check for those zeros in the read
2216 size_t i, block_size = sfp->i2c_block_size; in sfp_id_needs_byte_io()
2218 /* Already using byte IO */ in sfp_id_needs_byte_io()
2223 if (memchr_inv(buf + i, '\0', min(block_size - 1, len - i))) in sfp_id_needs_byte_io()
2234 if (id->base.phys_id != SFF8024_ID_SFF_8472 || in sfp_cotsworks_fixup_check()
2235 id->base.phys_ext_id != SFP_PHYS_EXT_ID_SFP || in sfp_cotsworks_fixup_check()
2236 id->base.connector != SFF8024_CONNECTOR_LC) { in sfp_cotsworks_fixup_check()
2237 dev_warn(sfp->dev, "Rewriting fiber module EEPROM with corrected values\n"); in sfp_cotsworks_fixup_check()
2238 id->base.phys_id = SFF8024_ID_SFF_8472; in sfp_cotsworks_fixup_check()
2239 id->base.phys_ext_id = SFP_PHYS_EXT_ID_SFP; in sfp_cotsworks_fixup_check()
2240 id->base.connector = SFF8024_CONNECTOR_LC; in sfp_cotsworks_fixup_check()
2241 err = sfp_write(sfp, false, SFP_PHYS_ID, &id->base, 3); in sfp_cotsworks_fixup_check()
2243 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2253 check = sfp_check(&id->base, sizeof(id->base) - 1); in sfp_cotsworks_fixup_check()
2256 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2268 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_module_parse_sff8472()
2269 dev_warn(sfp->dev, in sfp_module_parse_sff8472()
2272 sfp->have_a2 = true; in sfp_module_parse_sff8472()
2279 /* SFP module inserted - read I2C data */ in sfp_sm_mod_probe()
2287 sfp->i2c_block_size = sfp->i2c_max_block_size; in sfp_sm_mod_probe()
2292 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2294 return -EAGAIN; in sfp_sm_mod_probe()
2298 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2299 return -EAGAIN; in sfp_sm_mod_probe()
2303 * address 0x51 is just one byte at a time. Also SFF-8472 requires in sfp_sm_mod_probe()
2309 dev_info(sfp->dev, in sfp_sm_mod_probe()
2311 dev_info(sfp->dev, in sfp_sm_mod_probe()
2313 sfp->i2c_block_size = 1; in sfp_sm_mod_probe()
2318 dev_err(sfp->dev, in sfp_sm_mod_probe()
2321 return -EAGAIN; in sfp_sm_mod_probe()
2325 dev_err(sfp->dev, "EEPROM short read: %pe\n", in sfp_sm_mod_probe()
2327 return -EAGAIN; in sfp_sm_mod_probe()
2349 check = sfp_check(&id.base, sizeof(id.base) - 1); in sfp_sm_mod_probe()
2352 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2356 dev_err(sfp->dev, in sfp_sm_mod_probe()
2361 return -EINVAL; in sfp_sm_mod_probe()
2368 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2370 return -EAGAIN; in sfp_sm_mod_probe()
2374 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2375 return -EAGAIN; in sfp_sm_mod_probe()
2378 check = sfp_check(&id.ext, sizeof(id.ext) - 1); in sfp_sm_mod_probe()
2381 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2385 dev_err(sfp->dev, in sfp_sm_mod_probe()
2394 sfp->id = id; in sfp_sm_mod_probe()
2396 dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n", in sfp_sm_mod_probe()
2404 if (!sfp->type->module_supported(&id)) { in sfp_sm_mod_probe()
2405 dev_err(sfp->dev, in sfp_sm_mod_probe()
2406 "module is not supported - phys id 0x%02x 0x%02x\n", in sfp_sm_mod_probe()
2407 sfp->id.base.phys_id, sfp->id.base.phys_ext_id); in sfp_sm_mod_probe()
2408 return -EINVAL; in sfp_sm_mod_probe()
2411 if (sfp->id.ext.sff8472_compliance != SFP_SFF8472_COMPLIANCE_NONE) { in sfp_sm_mod_probe()
2425 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_sm_mod_probe()
2427 if (sfp->gpio[GPIO_TX_FAULT]) in sfp_sm_mod_probe()
2429 if (sfp->gpio[GPIO_LOS]) in sfp_sm_mod_probe()
2431 if (sfp->gpio[GPIO_RS0]) in sfp_sm_mod_probe()
2433 if (sfp->gpio[GPIO_RS1]) in sfp_sm_mod_probe()
2436 sfp->module_t_start_up = T_START_UP; in sfp_sm_mod_probe()
2437 sfp->module_t_wait = T_WAIT; in sfp_sm_mod_probe()
2438 sfp->phy_t_retry = T_PHY_RETRY; in sfp_sm_mod_probe()
2440 sfp->state_ignore_mask = 0; in sfp_sm_mod_probe()
2442 if (sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SFI || in sfp_sm_mod_probe()
2443 sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SR || in sfp_sm_mod_probe()
2444 sfp->id.base.extended_cc == SFF8024_ECC_5GBASE_T || in sfp_sm_mod_probe()
2445 sfp->id.base.extended_cc == SFF8024_ECC_2_5GBASE_T) in sfp_sm_mod_probe()
2446 sfp->mdio_protocol = MDIO_I2C_C45; in sfp_sm_mod_probe()
2447 else if (sfp->id.base.e1000_base_t) in sfp_sm_mod_probe()
2448 sfp->mdio_protocol = MDIO_I2C_MARVELL_C22; in sfp_sm_mod_probe()
2450 sfp->mdio_protocol = MDIO_I2C_NONE; in sfp_sm_mod_probe()
2452 sfp->quirk = sfp_lookup_quirk(&id); in sfp_sm_mod_probe()
2454 mutex_lock(&sfp->st_mutex); in sfp_sm_mod_probe()
2456 sfp->state_hw_mask = mask; in sfp_sm_mod_probe()
2459 sfp->state_hw_drive |= sfp->rs_state_mask; in sfp_sm_mod_probe()
2461 if (sfp->quirk && sfp->quirk->fixup) in sfp_sm_mod_probe()
2462 sfp->quirk->fixup(sfp); in sfp_sm_mod_probe()
2464 sfp->state_hw_mask &= ~sfp->state_ignore_mask; in sfp_sm_mod_probe()
2465 mutex_unlock(&sfp->st_mutex); in sfp_sm_mod_probe()
2472 if (sfp->sm_mod_state > SFP_MOD_WAITDEV) in sfp_sm_mod_remove()
2473 sfp_module_remove(sfp->sfp_bus); in sfp_sm_mod_remove()
2477 memset(&sfp->id, 0, sizeof(sfp->id)); in sfp_sm_mod_remove()
2478 sfp->module_power_mW = 0; in sfp_sm_mod_remove()
2479 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_sm_mod_remove()
2480 sfp->have_a2 = false; in sfp_sm_mod_remove()
2482 dev_info(sfp->dev, "module removed\n"); in sfp_sm_mod_remove()
2488 switch (sfp->sm_dev_state) { in sfp_sm_device()
2491 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2496 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2498 sfp->sm_dev_state = SFP_DEV_UP; in sfp_sm_device()
2503 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2505 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2511 * the on-board EEPROM, and sets up the power level.
2525 if (sfp->sm_dev_state < SFP_DEV_DOWN && in sfp_sm_module()
2526 sfp->sm_mod_state > SFP_MOD_WAITDEV) { in sfp_sm_module()
2527 if (sfp->module_power_mW > 1000 && in sfp_sm_module()
2528 sfp->sm_mod_state > SFP_MOD_HPOWER) in sfp_sm_module()
2534 switch (sfp->sm_mod_state) { in sfp_sm_module()
2538 sfp->sm_mod_tries_init = R_PROBE_RETRY_INIT; in sfp_sm_module()
2539 sfp->sm_mod_tries = R_PROBE_RETRY_SLOW; in sfp_sm_module()
2548 err = sfp_sm_mod_probe(sfp, sfp->sm_mod_tries == 1); in sfp_sm_module()
2549 if (err == -EAGAIN) { in sfp_sm_module()
2550 if (sfp->sm_mod_tries_init && in sfp_sm_module()
2551 --sfp->sm_mod_tries_init) { in sfp_sm_module()
2554 } else if (sfp->sm_mod_tries && --sfp->sm_mod_tries) { in sfp_sm_module()
2555 if (sfp->sm_mod_tries == R_PROBE_RETRY_SLOW - 1) in sfp_sm_module()
2556 dev_warn(sfp->dev, in sfp_sm_module()
2557 "please wait, module slow to respond\n"); in sfp_sm_module()
2567 /* Force a poll to re-read the hardware signal state after in sfp_sm_module()
2570 mod_delayed_work(system_percpu_wq, &sfp->poll, 1); in sfp_sm_module()
2574 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_sm_module()
2581 if (sfp->sm_dev_state < SFP_DEV_DOWN) in sfp_sm_module()
2585 err = sfp_module_insert(sfp->sfp_bus, &sfp->id, in sfp_sm_module()
2586 sfp->quirk); in sfp_sm_module()
2593 if (sfp->module_power_mW <= 1000) in sfp_sm_module()
2602 if (err != -EAGAIN) { in sfp_sm_module()
2603 sfp_module_remove(sfp->sfp_bus); in sfp_sm_module()
2635 if (sfp->sm_state != SFP_S_DOWN && in sfp_sm_main()
2636 (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2637 sfp->sm_dev_state != SFP_DEV_UP)) { in sfp_sm_main()
2638 if (sfp->sm_state == SFP_S_LINK_UP && in sfp_sm_main()
2639 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_main()
2641 if (sfp->sm_state > SFP_S_INIT) in sfp_sm_main()
2642 sfp_module_stop(sfp->sfp_bus); in sfp_sm_main()
2643 if (sfp->mod_phy) in sfp_sm_main()
2645 if (sfp->i2c_mii) in sfp_sm_main()
2654 switch (sfp->sm_state) { in sfp_sm_main()
2656 if (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2657 sfp->sm_dev_state != SFP_DEV_UP) in sfp_sm_main()
2661 * memory, which implies that we have some level of SFF-8472 in sfp_sm_main()
2664 if (sfp->have_a2) in sfp_sm_main()
2670 sfp->sm_fault_retries = N_FAULT_INIT; in sfp_sm_main()
2677 sfp_sm_next(sfp, SFP_S_WAIT, sfp->module_t_wait); in sfp_sm_main()
2684 if (sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2685 /* Wait up to t_init (SFF-8472) or t_start_up (SFF-8431) in sfp_sm_main()
2690 timeout = sfp->module_t_start_up; in sfp_sm_main()
2691 if (timeout > sfp->module_t_wait) in sfp_sm_main()
2692 timeout -= sfp->module_t_wait; in sfp_sm_main()
2706 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2711 sfp->sm_fault_retries == N_FAULT_INIT); in sfp_sm_main()
2720 sfp->sm_phy_retries = R_PHY_RETRY; in sfp_sm_main()
2733 if (ret == -ENODEV) { in sfp_sm_main()
2734 if (--sfp->sm_phy_retries) { in sfp_sm_main()
2736 sfp->phy_t_retry); in sfp_sm_main()
2737 dev_dbg(sfp->dev, in sfp_sm_main()
2739 sfp->sm_phy_retries); in sfp_sm_main()
2742 dev_info(sfp->dev, "no PHY detected\n"); in sfp_sm_main()
2748 if (sfp_module_start(sfp->sfp_bus)) { in sfp_sm_main()
2755 sfp->sm_fault_retries = N_FAULT; in sfp_sm_main()
2761 sfp_sm_next(sfp, SFP_S_INIT, sfp->module_t_start_up); in sfp_sm_main()
2785 sfp_sm_next(sfp, SFP_S_REINIT, sfp->module_t_start_up); in sfp_sm_main()
2790 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2793 dev_info(sfp->dev, "module transmit fault recovered\n"); in sfp_sm_main()
2805 dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", in __sfp_sm_event()
2806 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2807 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2808 sm_state_to_str(sfp->sm_state), in __sfp_sm_event()
2815 dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", in __sfp_sm_event()
2816 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2817 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2818 sm_state_to_str(sfp->sm_state)); in __sfp_sm_event()
2823 mutex_lock(&sfp->sm_mutex); in sfp_sm_event()
2825 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
2852 sfp->rate_kbd = rate_kbd; in sfp_set_signal_rate()
2854 if (rate_kbd > sfp->rs_threshold_kbd) in sfp_set_signal_rate()
2855 set = sfp->rs_state_mask; in sfp_set_signal_rate()
2866 if (sfp->id.ext.sff8472_compliance && in sfp_module_info()
2867 !(sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE)) { in sfp_module_info()
2868 modinfo->type = ETH_MODULE_SFF_8472; in sfp_module_info()
2869 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; in sfp_module_info()
2871 modinfo->type = ETH_MODULE_SFF_8079; in sfp_module_info()
2872 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; in sfp_module_info()
2883 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom()
2884 return -ENODEV; in sfp_module_eeprom()
2886 if (ee->len == 0) in sfp_module_eeprom()
2887 return -EINVAL; in sfp_module_eeprom()
2889 first = ee->offset; in sfp_module_eeprom()
2890 last = ee->offset + ee->len; in sfp_module_eeprom()
2893 len -= first; in sfp_module_eeprom()
2904 len -= first; in sfp_module_eeprom()
2905 first -= ETH_MODULE_SFF_8079_LEN; in sfp_module_eeprom()
2918 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom_by_page()
2919 return -ENODEV; in sfp_module_eeprom_by_page()
2921 if (page->bank) { in sfp_module_eeprom_by_page()
2923 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2926 if (page->page) { in sfp_module_eeprom_by_page()
2928 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2931 if (page->i2c_address != 0x50 && in sfp_module_eeprom_by_page()
2932 page->i2c_address != 0x51) { in sfp_module_eeprom_by_page()
2934 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2937 return sfp_read(sfp, page->i2c_address == 0x51, page->offset, in sfp_module_eeprom_by_page()
2938 page->data, page->length); in sfp_module_eeprom_by_page()
2966 mutex_lock(&sfp->st_mutex); in sfp_check_state()
2968 changed = state ^ sfp->state; in sfp_check_state()
2973 dev_dbg(sfp->dev, "%s %u -> %u\n", gpio_names[i], in sfp_check_state()
2974 !!(sfp->state & BIT(i)), !!(state & BIT(i))); in sfp_check_state()
2976 state |= sfp->state & SFP_F_OUTPUTS; in sfp_check_state()
2977 sfp->state = state; in sfp_check_state()
2978 mutex_unlock(&sfp->st_mutex); in sfp_check_state()
2980 mutex_lock(&sfp->sm_mutex); in sfp_check_state()
2992 mutex_unlock(&sfp->sm_mutex); in sfp_check_state()
3013 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) || in sfp_poll()
3014 sfp->need_poll) in sfp_poll()
3024 return ERR_PTR(-ENOMEM); in sfp_alloc()
3026 sfp->dev = dev; in sfp_alloc()
3028 mutex_init(&sfp->sm_mutex); in sfp_alloc()
3029 mutex_init(&sfp->st_mutex); in sfp_alloc()
3030 INIT_DELAYED_WORK(&sfp->poll, sfp_poll); in sfp_alloc()
3031 INIT_DELAYED_WORK(&sfp->timeout, sfp_timeout); in sfp_alloc()
3044 cancel_delayed_work_sync(&sfp->poll); in sfp_cleanup()
3045 cancel_delayed_work_sync(&sfp->timeout); in sfp_cleanup()
3046 if (sfp->i2c_mii) { in sfp_cleanup()
3047 mdiobus_unregister(sfp->i2c_mii); in sfp_cleanup()
3048 mdiobus_free(sfp->i2c_mii); in sfp_cleanup()
3050 if (sfp->i2c) in sfp_cleanup()
3051 i2c_put_adapter(sfp->i2c); in sfp_cleanup()
3061 h = fwnode_find_reference(dev_fwnode(sfp->dev), "i2c-bus", 0); in sfp_i2c_get()
3063 dev_err(sfp->dev, "missing 'i2c-bus' property\n"); in sfp_i2c_get()
3064 return -ENODEV; in sfp_i2c_get()
3069 err = -EPROBE_DEFER; in sfp_i2c_get()
3088 sfp = sfp_alloc(&pdev->dev); in sfp_probe()
3094 err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); in sfp_probe()
3098 sff = device_get_match_data(sfp->dev); in sfp_probe()
3102 sfp->type = sff; in sfp_probe()
3109 if (sff->gpios & BIT(i)) { in sfp_probe()
3110 sfp->gpio[i] = devm_gpiod_get_optional(sfp->dev, in sfp_probe()
3112 if (IS_ERR(sfp->gpio[i])) in sfp_probe()
3113 return PTR_ERR(sfp->gpio[i]); in sfp_probe()
3116 sfp->state_hw_mask = SFP_F_PRESENT; in sfp_probe()
3117 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_probe()
3119 sfp->get_state = sfp_gpio_get_state; in sfp_probe()
3120 sfp->set_state = sfp_gpio_set_state; in sfp_probe()
3123 if (!(sfp->gpio[GPIO_MODDEF0])) in sfp_probe()
3124 sfp->get_state = sff_gpio_get_state; in sfp_probe()
3126 device_property_read_u32(&pdev->dev, "maximum-power-milliwatt", in sfp_probe()
3127 &sfp->max_power_mW); in sfp_probe()
3128 if (sfp->max_power_mW < 1000) { in sfp_probe()
3129 if (sfp->max_power_mW) in sfp_probe()
3130 dev_warn(sfp->dev, in sfp_probe()
3132 sfp->max_power_mW = 1000; in sfp_probe()
3135 dev_info(sfp->dev, "Host maximum power %u.%uW\n", in sfp_probe()
3136 sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); in sfp_probe()
3141 sfp->state = sfp_get_state(sfp) | SFP_F_TX_DISABLE; in sfp_probe()
3143 if (sfp->gpio[GPIO_RS0] && in sfp_probe()
3144 gpiod_get_value_cansleep(sfp->gpio[GPIO_RS0])) in sfp_probe()
3145 sfp->state |= SFP_F_RS0; in sfp_probe()
3146 sfp_set_state(sfp, sfp->state); in sfp_probe()
3148 if (sfp->state & SFP_F_PRESENT) { in sfp_probe()
3155 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_probe()
3158 sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); in sfp_probe()
3159 if (sfp->gpio_irq[i] < 0) { in sfp_probe()
3160 sfp->gpio_irq[i] = 0; in sfp_probe()
3161 sfp->need_poll = true; in sfp_probe()
3165 sfp_irq_name = devm_kasprintf(sfp->dev, GFP_KERNEL, in sfp_probe()
3166 "%s-%s", dev_name(sfp->dev), in sfp_probe()
3170 return -ENOMEM; in sfp_probe()
3172 err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i], in sfp_probe()
3179 sfp->gpio_irq[i] = 0; in sfp_probe()
3180 sfp->need_poll = true; in sfp_probe()
3184 if (sfp->need_poll) in sfp_probe()
3192 if (!sfp->gpio[GPIO_TX_DISABLE]) in sfp_probe()
3193 dev_warn(sfp->dev, in sfp_probe()
3196 sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); in sfp_probe()
3197 if (!sfp->sfp_bus) in sfp_probe()
3198 return -ENOMEM; in sfp_probe()
3200 if (sfp->i2c_max_block_size < 2) in sfp_probe()
3201 dev_warn(sfp->dev, in sfp_probe()
3207 "verify any problems on hardware that supports multi-byte I2C transactions.\n"); in sfp_probe()
3219 sfp_unregister_socket(sfp->sfp_bus); in sfp_remove()
3232 if (!sfp->gpio_irq[i]) in sfp_shutdown()
3235 devm_free_irq(sfp->dev, sfp->gpio_irq[i], sfp); in sfp_shutdown()
3238 cancel_delayed_work_sync(&sfp->poll); in sfp_shutdown()
3239 cancel_delayed_work_sync(&sfp->timeout); in sfp_shutdown()