Lines Matching +full:rate +full:- +full:select1 +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
302 return id->base.phys_id == SFF8024_ID_SFF_8472 && in sff_module_supported()
303 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP; in sff_module_supported()
307 .gpios = SFP_F_LOS | SFP_F_TX_FAULT | SFP_F_TX_DISABLE,
313 if (id->base.phys_id == SFF8024_ID_SFP && in sfp_module_supported()
314 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP) in sfp_module_supported()
317 /* SFP GPON module Ubiquiti U-Fiber Instant has in its EEPROM stored in sfp_module_supported()
321 if (id->base.phys_id == SFF8024_ID_SFF_8472 && in sfp_module_supported()
322 id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP && in sfp_module_supported()
323 !memcmp(id->base.vendor_name, "UBNT ", 16) && in sfp_module_supported()
324 !memcmp(id->base.vendor_pn, "UF-INSTANT ", 16)) in sfp_module_supported()
331 .gpios = SFP_F_PRESENT | SFP_F_LOS | SFP_F_TX_FAULT |
345 sfp->module_t_start_up = T_START_UP_BAD_GPON; in sfp_fixup_long_startup()
350 sfp->tx_fault_ignore = true; in sfp_fixup_ignore_tx_fault()
353 // For 10GBASE-T short-reach modules
356 sfp->id.base.connector = SFF8024_CONNECTOR_RJ45; in sfp_fixup_10gbaset_30m()
357 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SR; in sfp_fixup_10gbaset_30m()
362 sfp->mdio_protocol = MDIO_I2C_ROLLBALL; in sfp_fixup_rollball_proto()
363 sfp->module_t_wait = msecs_to_jiffies(secs * 1000); in sfp_fixup_rollball_proto()
380 sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS); in sfp_fixup_halny_gsfp()
396 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SFI; in sfp_fixup_rollball_cc()
428 /* Ubiquiti U-Fiber Instant module claims that support all transceiver in sfp_quirk_ubnt_uf_instant()
442 // Alcatel Lucent G-010S-P can operate at 2500base-X, but incorrectly
447 // Alcatel Lucent G-010S-A can operate at 2500base-X, but report 3.2GBd
452 // Fiberstore SFP-10G-T doesn't identify as copper, and uses the
454 SFP_QUIRK_F("FS", "SFP-10G-T", sfp_fixup_fs_10gt),
456 // Fiberstore GPON-ONU-34-20BI can operate at 2500base-X, but report 1.2GBd
458 SFP_QUIRK("FS", "GPON-ONU-34-20BI", sfp_quirk_2500basex,
461 SFP_QUIRK_F("HALNy", "HL-GSFP", sfp_fixup_halny_gsfp),
463 // HG MXPD-483II-F 2.5G supports 2500Base-X, but incorrectly reports
465 SFP_QUIRK_M("HG GENUINE", "MXPD-483II", sfp_quirk_2500basex),
467 // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd NRZ in
472 // FS 2.5G Base-T
473 SFP_QUIRK_M("FS", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
475 // Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
477 SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex),
479 SFP_QUIRK_M("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant),
481 // Walsun HXSX-ATR[CI]-1 don't identify as copper, and use the
483 SFP_QUIRK_F("Walsun", "HXSX-ATRC-1", sfp_fixup_fs_10gt),
484 SFP_QUIRK_F("Walsun", "HXSX-ATRI-1", sfp_fixup_fs_10gt),
486 // OEM SFP-GE-T is a 1000Base-T module with broken TX_FAULT indicator
487 SFP_QUIRK_F("OEM", "SFP-GE-T", sfp_fixup_ignore_tx_fault),
489 SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc),
490 SFP_QUIRK_M("OEM", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
491 SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-D", sfp_quirk_2500basex),
492 SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-U", sfp_quirk_2500basex),
493 SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc),
494 SFP_QUIRK_F("OEM", "RTSFP-10G", sfp_fixup_rollball_cc),
495 SFP_QUIRK_F("Turris", "RTSFP-10", sfp_fixup_rollball),
496 SFP_QUIRK_F("Turris", "RTSFP-10G", sfp_fixup_rollball),
504 * some manufacturers can't read SFF-8472 and use NUL. in sfp_strlen()
528 vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name)); in sfp_lookup_quirk()
529 ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn)); in sfp_lookup_quirk()
532 if (sfp_match(q->vendor, id->base.vendor_name, vs) && in sfp_lookup_quirk()
533 sfp_match(q->part, id->base.vendor_pn, ps)) in sfp_lookup_quirk()
546 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_gpio_get_state()
549 v = gpiod_get_value_cansleep(sfp->gpio[i]); in sfp_gpio_get_state()
568 drive = sfp->state_hw_drive; in sfp_gpio_set_state()
570 /* Otherwise, let them float to the pull-ups */ in sfp_gpio_set_state()
573 if (sfp->gpio[GPIO_TX_DISABLE]) { in sfp_gpio_set_state()
575 gpiod_direction_output(sfp->gpio[GPIO_TX_DISABLE], in sfp_gpio_set_state()
578 gpiod_direction_input(sfp->gpio[GPIO_TX_DISABLE]); in sfp_gpio_set_state()
581 if (sfp->gpio[GPIO_RS0]) { in sfp_gpio_set_state()
583 gpiod_direction_output(sfp->gpio[GPIO_RS0], in sfp_gpio_set_state()
586 gpiod_direction_input(sfp->gpio[GPIO_RS0]); in sfp_gpio_set_state()
589 if (sfp->gpio[GPIO_RS1]) { in sfp_gpio_set_state()
591 gpiod_direction_output(sfp->gpio[GPIO_RS1], in sfp_gpio_set_state()
594 gpiod_direction_input(sfp->gpio[GPIO_RS1]); in sfp_gpio_set_state()
603 size_t block_size = sfp->i2c_block_size; in sfp_i2c_read()
623 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_read()
632 len -= this_len; in sfp_i2c_read()
635 return msgs[1].buf - (u8 *)buf; in sfp_i2c_read()
650 return -ENOMEM; in sfp_i2c_write()
655 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_write()
668 return -EINVAL; in sfp_i2c_configure()
670 sfp->i2c = i2c; in sfp_i2c_configure()
671 sfp->read = sfp_i2c_read; in sfp_i2c_configure()
672 sfp->write = sfp_i2c_write; in sfp_i2c_configure()
682 i2c_mii = mdio_i2c_alloc(sfp->dev, sfp->i2c, sfp->mdio_protocol); in sfp_i2c_mdiobus_create()
686 i2c_mii->name = "SFP I2C Bus"; in sfp_i2c_mdiobus_create()
687 i2c_mii->phy_mask = ~0; in sfp_i2c_mdiobus_create()
695 sfp->i2c_mii = i2c_mii; in sfp_i2c_mdiobus_create()
702 mdiobus_unregister(sfp->i2c_mii); in sfp_i2c_mdiobus_destroy()
703 sfp->i2c_mii = NULL; in sfp_i2c_mdiobus_destroy()
709 return sfp->read(sfp, a2, addr, buf, len); in sfp_read()
714 return sfp->write(sfp, a2, addr, buf, len); in sfp_write()
746 dev_err_ratelimited(sfp->dev, in sfp_soft_get_state()
750 state = sfp->state; in sfp_soft_get_state()
753 return state & sfp->state_soft_mask; in sfp_soft_get_state()
787 const struct sfp_eeprom_id *id = &sfp->id; in sfp_soft_start_poll()
790 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_DISABLE) in sfp_soft_start_poll()
792 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_FAULT) in sfp_soft_start_poll()
794 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RX_LOS) in sfp_soft_start_poll()
796 if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RATE_SELECT) in sfp_soft_start_poll()
797 mask |= sfp->rs_state_mask; in sfp_soft_start_poll()
799 mutex_lock(&sfp->st_mutex); in sfp_soft_start_poll()
801 sfp->state_soft_mask = ~sfp->state_hw_mask & mask; in sfp_soft_start_poll()
803 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) && in sfp_soft_start_poll()
804 !sfp->need_poll) in sfp_soft_start_poll()
805 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_soft_start_poll()
806 mutex_unlock(&sfp->st_mutex); in sfp_soft_start_poll()
811 mutex_lock(&sfp->st_mutex); in sfp_soft_stop_poll()
812 sfp->state_soft_mask = 0; in sfp_soft_stop_poll()
813 mutex_unlock(&sfp->st_mutex); in sfp_soft_stop_poll()
816 /* sfp_get_state() - must be called with st_mutex held, or in the
821 unsigned int soft = sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT); in sfp_get_state()
824 state = sfp->get_state(sfp) & sfp->state_hw_mask; in sfp_get_state()
831 /* sfp_set_state() - must be called with st_mutex held, or in the
838 sfp->set_state(sfp, state); in sfp_set_state()
840 soft = sfp->state_soft_mask & SFP_F_OUTPUTS; in sfp_set_state()
847 mutex_lock(&sfp->st_mutex); in sfp_mod_state()
848 sfp->state = (sfp->state & ~mask) | set; in sfp_mod_state()
849 sfp_set_state(sfp, sfp->state); in sfp_mod_state()
850 mutex_unlock(&sfp->st_mutex); in sfp_mod_state()
857 for (p = buf, check = 0; len; p++, len--) in sfp_check()
882 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
901 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
920 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
936 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && in sfp_hwmon_is_visible()
948 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
984 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) in sfp_hwmon_calibrate()
990 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), in sfp_hwmon_calibrate_temp()
991 be16_to_cpu(sfp->diag.cal_t_offset), value); in sfp_hwmon_calibrate_temp()
994 *value -= 0x10000; in sfp_hwmon_calibrate_temp()
1001 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), in sfp_hwmon_calibrate_vcc()
1002 be16_to_cpu(sfp->diag.cal_v_offset), value); in sfp_hwmon_calibrate_vcc()
1009 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), in sfp_hwmon_calibrate_bias()
1010 be16_to_cpu(sfp->diag.cal_txi_offset), value); in sfp_hwmon_calibrate_bias()
1017 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), in sfp_hwmon_calibrate_tx_power()
1018 be16_to_cpu(sfp->diag.cal_txpwr_offset), value); in sfp_hwmon_calibrate_tx_power()
1098 *value = be16_to_cpu(sfp->diag.temp_low_alarm); in sfp_hwmon_temp()
1103 *value = be16_to_cpu(sfp->diag.temp_low_warn); in sfp_hwmon_temp()
1107 *value = be16_to_cpu(sfp->diag.temp_high_warn); in sfp_hwmon_temp()
1112 *value = be16_to_cpu(sfp->diag.temp_high_alarm); in sfp_hwmon_temp()
1148 return -EOPNOTSUPP; in sfp_hwmon_temp()
1151 return -EOPNOTSUPP; in sfp_hwmon_temp()
1164 *value = be16_to_cpu(sfp->diag.volt_low_alarm); in sfp_hwmon_vcc()
1169 *value = be16_to_cpu(sfp->diag.volt_low_warn); in sfp_hwmon_vcc()
1174 *value = be16_to_cpu(sfp->diag.volt_high_warn); in sfp_hwmon_vcc()
1179 *value = be16_to_cpu(sfp->diag.volt_high_alarm); in sfp_hwmon_vcc()
1215 return -EOPNOTSUPP; in sfp_hwmon_vcc()
1218 return -EOPNOTSUPP; in sfp_hwmon_vcc()
1231 *value = be16_to_cpu(sfp->diag.bias_low_alarm); in sfp_hwmon_bias()
1236 *value = be16_to_cpu(sfp->diag.bias_low_warn); in sfp_hwmon_bias()
1241 *value = be16_to_cpu(sfp->diag.bias_high_warn); in sfp_hwmon_bias()
1246 *value = be16_to_cpu(sfp->diag.bias_high_alarm); in sfp_hwmon_bias()
1282 return -EOPNOTSUPP; in sfp_hwmon_bias()
1285 return -EOPNOTSUPP; in sfp_hwmon_bias()
1298 *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); in sfp_hwmon_tx_power()
1303 *value = be16_to_cpu(sfp->diag.txpwr_low_warn); in sfp_hwmon_tx_power()
1308 *value = be16_to_cpu(sfp->diag.txpwr_high_warn); in sfp_hwmon_tx_power()
1313 *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); in sfp_hwmon_tx_power()
1349 return -EOPNOTSUPP; in sfp_hwmon_tx_power()
1352 return -EOPNOTSUPP; in sfp_hwmon_tx_power()
1365 *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); in sfp_hwmon_rx_power()
1370 *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); in sfp_hwmon_rx_power()
1375 *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); in sfp_hwmon_rx_power()
1380 *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); in sfp_hwmon_rx_power()
1416 return -EOPNOTSUPP; in sfp_hwmon_rx_power()
1419 return -EOPNOTSUPP; in sfp_hwmon_rx_power()
1441 return -EOPNOTSUPP; in sfp_hwmon_read()
1444 return -EOPNOTSUPP; in sfp_hwmon_read()
1464 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1473 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1482 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1491 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1495 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1498 return -EOPNOTSUPP; in sfp_hwmon_read_string()
1565 if (sfp->i2c_block_size < 2) { in sfp_hwmon_probe()
1566 dev_info(sfp->dev, in sfp_hwmon_probe()
1568 dev_info(sfp->dev, in sfp_hwmon_probe()
1573 err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); in sfp_hwmon_probe()
1575 if (sfp->hwmon_tries--) { in sfp_hwmon_probe()
1576 mod_delayed_work(system_wq, &sfp->hwmon_probe, in sfp_hwmon_probe()
1579 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_hwmon_probe()
1585 sfp->hwmon_name = hwmon_sanitize_name(dev_name(sfp->dev)); in sfp_hwmon_probe()
1586 if (IS_ERR(sfp->hwmon_name)) { in sfp_hwmon_probe()
1587 dev_err(sfp->dev, "out of memory for hwmon name\n"); in sfp_hwmon_probe()
1591 sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, in sfp_hwmon_probe()
1592 sfp->hwmon_name, sfp, in sfp_hwmon_probe()
1595 if (IS_ERR(sfp->hwmon_dev)) in sfp_hwmon_probe()
1596 dev_err(sfp->dev, "failed to register hwmon device: %ld\n", in sfp_hwmon_probe()
1597 PTR_ERR(sfp->hwmon_dev)); in sfp_hwmon_probe()
1602 if (sfp->have_a2 && sfp->id.ext.diagmon & SFP_DIAGMON_DDM) { in sfp_hwmon_insert()
1603 mod_delayed_work(system_wq, &sfp->hwmon_probe, 1); in sfp_hwmon_insert()
1604 sfp->hwmon_tries = R_PROBE_RETRY_SLOW; in sfp_hwmon_insert()
1612 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_remove()
1613 if (!IS_ERR_OR_NULL(sfp->hwmon_dev)) { in sfp_hwmon_remove()
1614 hwmon_device_unregister(sfp->hwmon_dev); in sfp_hwmon_remove()
1615 sfp->hwmon_dev = NULL; in sfp_hwmon_remove()
1616 kfree(sfp->hwmon_name); in sfp_hwmon_remove()
1622 INIT_DELAYED_WORK(&sfp->hwmon_probe, sfp_hwmon_probe); in sfp_hwmon_init()
1629 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_exit()
1654 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_disable()
1655 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 1); in sfp_module_tx_disable()
1661 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_enable()
1662 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 0); in sfp_module_tx_enable()
1669 struct sfp *sfp = s->private; in sfp_debug_state_show()
1672 mod_state_to_str(sfp->sm_mod_state)); in sfp_debug_state_show()
1674 R_PROBE_RETRY_INIT - sfp->sm_mod_tries_init, in sfp_debug_state_show()
1675 R_PROBE_RETRY_SLOW - sfp->sm_mod_tries); in sfp_debug_state_show()
1677 dev_state_to_str(sfp->sm_dev_state)); in sfp_debug_state_show()
1679 sm_state_to_str(sfp->sm_state)); in sfp_debug_state_show()
1681 sfp->sm_fault_retries); in sfp_debug_state_show()
1683 sfp->sm_phy_retries); in sfp_debug_state_show()
1684 seq_printf(s, "Signalling rate: %u kBd\n", sfp->rate_kbd); in sfp_debug_state_show()
1685 seq_printf(s, "Rate select threshold: %u kBd\n", in sfp_debug_state_show()
1686 sfp->rs_threshold_kbd); in sfp_debug_state_show()
1687 seq_printf(s, "moddef0: %d\n", !!(sfp->state & SFP_F_PRESENT)); in sfp_debug_state_show()
1688 seq_printf(s, "rx_los: %d\n", !!(sfp->state & SFP_F_LOS)); in sfp_debug_state_show()
1689 seq_printf(s, "tx_fault: %d\n", !!(sfp->state & SFP_F_TX_FAULT)); in sfp_debug_state_show()
1690 seq_printf(s, "tx_disable: %d\n", !!(sfp->state & SFP_F_TX_DISABLE)); in sfp_debug_state_show()
1691 seq_printf(s, "rs0: %d\n", !!(sfp->state & SFP_F_RS0)); in sfp_debug_state_show()
1692 seq_printf(s, "rs1: %d\n", !!(sfp->state & SFP_F_RS1)); in sfp_debug_state_show()
1699 sfp->debugfs_dir = debugfs_create_dir(dev_name(sfp->dev), NULL); in sfp_debugfs_init()
1701 debugfs_create_file("state", 0600, sfp->debugfs_dir, sfp, in sfp_debugfs_init()
1707 debugfs_remove_recursive(sfp->debugfs_dir); in sfp_debugfs_exit()
1723 mutex_lock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1724 state = sfp->state; in sfp_module_tx_fault_reset()
1732 mutex_unlock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1739 mod_delayed_work(system_power_efficient_wq, &sfp->timeout, in sfp_sm_set_timer()
1742 cancel_delayed_work(&sfp->timeout); in sfp_sm_set_timer()
1748 sfp->sm_state = state; in sfp_sm_next()
1755 sfp->sm_mod_state = state; in sfp_sm_mod_next()
1761 sfp_remove_phy(sfp->sfp_bus); in sfp_sm_phy_detach()
1762 phy_device_remove(sfp->mod_phy); in sfp_sm_phy_detach()
1763 phy_device_free(sfp->mod_phy); in sfp_sm_phy_detach()
1764 sfp->mod_phy = NULL; in sfp_sm_phy_detach()
1772 phy = get_phy_device(sfp->i2c_mii, addr, is_c45); in sfp_sm_probe_phy()
1773 if (phy == ERR_PTR(-ENODEV)) in sfp_sm_probe_phy()
1776 dev_err(sfp->dev, "mdiobus scan returned %pe\n", phy); in sfp_sm_probe_phy()
1781 phy->is_on_sfp_module = true; in sfp_sm_probe_phy()
1786 dev_err(sfp->dev, "phy_device_register failed: %pe\n", in sfp_sm_probe_phy()
1791 err = sfp_add_phy(sfp->sfp_bus, phy); in sfp_sm_probe_phy()
1795 dev_err(sfp->dev, "sfp_add_phy failed: %pe\n", ERR_PTR(err)); in sfp_sm_probe_phy()
1799 sfp->mod_phy = phy; in sfp_sm_probe_phy()
1806 sfp_link_up(sfp->sfp_bus); in sfp_sm_link_up()
1812 sfp_link_down(sfp->sfp_bus); in sfp_sm_link_down()
1819 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_sm_link_check_los()
1827 los = !(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1829 los = !!(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1841 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_active()
1851 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_inactive()
1859 if (sfp->sm_fault_retries && !--sfp->sm_fault_retries) { in sfp_sm_fault()
1860 dev_err(sfp->dev, in sfp_sm_fault()
1865 dev_err(sfp->dev, "module transmit fault indicated\n"); in sfp_sm_fault()
1873 if (sfp->mdio_protocol != MDIO_I2C_NONE) in sfp_sm_add_mdio_bus()
1879 /* Probe a SFP for a PHY device if the module supports copper - the PHY
1884 * negotiation enabled, but some may be in 1000base-X - which is for the
1894 switch (sfp->mdio_protocol) { in sfp_sm_probe_for_phy()
1919 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_power()
1920 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL)) in sfp_module_parse_power()
1923 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV11_4 && in sfp_module_parse_power()
1924 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL)) in sfp_module_parse_power()
1929 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
1933 supports_a2 = sfp->id.ext.sff8472_compliance != in sfp_module_parse_power()
1935 sfp->id.ext.diagmon & SFP_DIAGMON_DDM; in sfp_module_parse_power()
1937 if (power_mW > sfp->max_power_mW) { in sfp_module_parse_power()
1944 dev_err(sfp->dev, in sfp_module_parse_power()
1947 return -EINVAL; in sfp_module_parse_power()
1949 dev_warn(sfp->dev, in sfp_module_parse_power()
1968 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) { in sfp_module_parse_power()
1969 dev_warn(sfp->dev, in sfp_module_parse_power()
1975 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
1988 dev_err(sfp->dev, "failed to %sable high power: %pe\n", in sfp_sm_mod_hpower()
1990 return -EAGAIN; in sfp_sm_mod_hpower()
1994 dev_info(sfp->dev, "Module switched to %u.%uW power level\n", in sfp_sm_mod_hpower()
1995 sfp->module_power_mW / 1000, in sfp_sm_mod_hpower()
1996 (sfp->module_power_mW / 100) % 10); in sfp_sm_mod_hpower()
2005 sfp->rs_threshold_kbd = 0; in sfp_module_parse_rate_select()
2006 sfp->rs_state_mask = 0; in sfp_module_parse_rate_select()
2008 if (!(sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_RATE_SELECT))) in sfp_module_parse_rate_select()
2012 /* Default to INF-8074 RateSelect operation. The signalling threshold in sfp_module_parse_rate_select()
2013 * rate is not well specified, so always select "Full Bandwidth", but in sfp_module_parse_rate_select()
2014 * SFF-8079 reveals that it is understood that RS0 will be low for in sfp_module_parse_rate_select()
2015 * 1.0625Gb/s and high for 2.125Gb/s. Choose a value half-way between. in sfp_module_parse_rate_select()
2016 * This method exists prior to SFF-8472. in sfp_module_parse_rate_select()
2018 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2019 sfp->rs_threshold_kbd = 1594; in sfp_module_parse_rate_select()
2021 /* Parse the rate identifier, which is complicated due to history: in sfp_module_parse_rate_select()
2022 * SFF-8472 rev 9.5 marks this field as reserved. in sfp_module_parse_rate_select()
2023 * SFF-8079 references SFF-8472 rev 9.5 and defines bit 0. SFF-8472 in sfp_module_parse_rate_select()
2025 * SFF-8472 rev 10.2 defines this field using values 0..4 in sfp_module_parse_rate_select()
2026 * SFF-8472 rev 11.0 redefines this field with bit 0 for SFF-8079 in sfp_module_parse_rate_select()
2029 rate_id = sfp->id.base.rate_id; in sfp_module_parse_rate_select()
2034 /* SFF-8472 rev 10.0..10.4 did not account for SFF-8079 using bit 0, in sfp_module_parse_rate_select()
2035 * and allocated value 3 to SFF-8431 independent tx/rx rate select. in sfp_module_parse_rate_select()
2036 * Convert this to a SFF-8472 rev 11.0 rate identifier. in sfp_module_parse_rate_select()
2038 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_rate_select()
2039 sfp->id.ext.sff8472_compliance < SFP_SFF8472_COMPLIANCE_REV11_0 && in sfp_module_parse_rate_select()
2044 /* SFF-8079 RateSelect / Application Select in conjunction with in sfp_module_parse_rate_select()
2045 * SFF-8472 rev 9.5. SFF-8079 defines rate_id as a bitfield in sfp_module_parse_rate_select()
2046 * with only bit 0 used, which takes precedence over SFF-8472. in sfp_module_parse_rate_select()
2048 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_APP_SELECT_SFF8079)) { in sfp_module_parse_rate_select()
2049 /* SFF-8079 Part 1 - rate selection between Fibre in sfp_module_parse_rate_select()
2054 sfp->rs_threshold_kbd = 2125 - 1; in sfp_module_parse_rate_select()
2055 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2060 /* SFF-8472 rev 9.5 does not define the rate identifier */ in sfp_module_parse_rate_select()
2061 if (sfp->id.ext.sff8472_compliance <= SFP_SFF8472_COMPLIANCE_REV9_5) in sfp_module_parse_rate_select()
2064 /* SFF-8472 rev 11.0 defines rate_id as a numerical value which will in sfp_module_parse_rate_select()
2065 * always have bit 0 clear due to SFF-8079's bitfield usage of rate_id. in sfp_module_parse_rate_select()
2069 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2070 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2074 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2075 sfp->rs_state_mask = SFP_F_RS1; in sfp_module_parse_rate_select()
2079 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2080 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2084 sfp->rs_threshold_kbd = 9000; in sfp_module_parse_rate_select()
2085 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2090 /* GPON modules based on Realtek RTL8672 and RTL9601C chips (e.g. V-SOL
2091 * V2801F, CarlitoxxPro CPGOS03-0490, Ubiquiti U-Fiber Instant, ...) do
2092 * not support multibyte reads from the EEPROM. Each multi-byte read
2095 * chips. Moreover every OEM of V-SOL V2801F module puts its own vendor
2097 * module is V-SOL V2801F. Therefore check for those zeros in the read
2103 size_t i, block_size = sfp->i2c_block_size; in sfp_id_needs_byte_io()
2110 if (memchr_inv(buf + i, '\0', min(block_size - 1, len - i))) in sfp_id_needs_byte_io()
2121 if (id->base.phys_id != SFF8024_ID_SFF_8472 || in sfp_cotsworks_fixup_check()
2122 id->base.phys_ext_id != SFP_PHYS_EXT_ID_SFP || in sfp_cotsworks_fixup_check()
2123 id->base.connector != SFF8024_CONNECTOR_LC) { in sfp_cotsworks_fixup_check()
2124 dev_warn(sfp->dev, "Rewriting fiber module EEPROM with corrected values\n"); in sfp_cotsworks_fixup_check()
2125 id->base.phys_id = SFF8024_ID_SFF_8472; in sfp_cotsworks_fixup_check()
2126 id->base.phys_ext_id = SFP_PHYS_EXT_ID_SFP; in sfp_cotsworks_fixup_check()
2127 id->base.connector = SFF8024_CONNECTOR_LC; in sfp_cotsworks_fixup_check()
2128 err = sfp_write(sfp, false, SFP_PHYS_ID, &id->base, 3); in sfp_cotsworks_fixup_check()
2130 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2140 check = sfp_check(&id->base, sizeof(id->base) - 1); in sfp_cotsworks_fixup_check()
2143 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2155 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_module_parse_sff8472()
2156 dev_warn(sfp->dev, in sfp_module_parse_sff8472()
2159 sfp->have_a2 = true; in sfp_module_parse_sff8472()
2166 /* SFP module inserted - read I2C data */ in sfp_sm_mod_probe()
2174 sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_sm_mod_probe()
2179 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2181 return -EAGAIN; in sfp_sm_mod_probe()
2185 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2186 return -EAGAIN; in sfp_sm_mod_probe()
2190 * address 0x51 is just one byte at a time. Also SFF-8472 requires in sfp_sm_mod_probe()
2196 dev_info(sfp->dev, in sfp_sm_mod_probe()
2198 dev_info(sfp->dev, in sfp_sm_mod_probe()
2200 sfp->i2c_block_size = 1; in sfp_sm_mod_probe()
2205 dev_err(sfp->dev, in sfp_sm_mod_probe()
2208 return -EAGAIN; in sfp_sm_mod_probe()
2212 dev_err(sfp->dev, "EEPROM short read: %pe\n", in sfp_sm_mod_probe()
2214 return -EAGAIN; in sfp_sm_mod_probe()
2236 check = sfp_check(&id.base, sizeof(id.base) - 1); in sfp_sm_mod_probe()
2239 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2243 dev_err(sfp->dev, in sfp_sm_mod_probe()
2248 return -EINVAL; in sfp_sm_mod_probe()
2255 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2257 return -EAGAIN; in sfp_sm_mod_probe()
2261 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2262 return -EAGAIN; in sfp_sm_mod_probe()
2265 check = sfp_check(&id.ext, sizeof(id.ext) - 1); in sfp_sm_mod_probe()
2268 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2272 dev_err(sfp->dev, in sfp_sm_mod_probe()
2281 sfp->id = id; in sfp_sm_mod_probe()
2283 dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n", in sfp_sm_mod_probe()
2291 if (!sfp->type->module_supported(&id)) { in sfp_sm_mod_probe()
2292 dev_err(sfp->dev, in sfp_sm_mod_probe()
2293 "module is not supported - phys id 0x%02x 0x%02x\n", in sfp_sm_mod_probe()
2294 sfp->id.base.phys_id, sfp->id.base.phys_ext_id); in sfp_sm_mod_probe()
2295 return -EINVAL; in sfp_sm_mod_probe()
2298 if (sfp->id.ext.sff8472_compliance != SFP_SFF8472_COMPLIANCE_NONE) { in sfp_sm_mod_probe()
2312 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_sm_mod_probe()
2314 if (sfp->gpio[GPIO_TX_FAULT]) in sfp_sm_mod_probe()
2316 if (sfp->gpio[GPIO_LOS]) in sfp_sm_mod_probe()
2318 if (sfp->gpio[GPIO_RS0]) in sfp_sm_mod_probe()
2320 if (sfp->gpio[GPIO_RS1]) in sfp_sm_mod_probe()
2323 sfp->module_t_start_up = T_START_UP; in sfp_sm_mod_probe()
2324 sfp->module_t_wait = T_WAIT; in sfp_sm_mod_probe()
2326 sfp->tx_fault_ignore = false; in sfp_sm_mod_probe()
2328 if (sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SFI || in sfp_sm_mod_probe()
2329 sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SR || in sfp_sm_mod_probe()
2330 sfp->id.base.extended_cc == SFF8024_ECC_5GBASE_T || in sfp_sm_mod_probe()
2331 sfp->id.base.extended_cc == SFF8024_ECC_2_5GBASE_T) in sfp_sm_mod_probe()
2332 sfp->mdio_protocol = MDIO_I2C_C45; in sfp_sm_mod_probe()
2333 else if (sfp->id.base.e1000_base_t) in sfp_sm_mod_probe()
2334 sfp->mdio_protocol = MDIO_I2C_MARVELL_C22; in sfp_sm_mod_probe()
2336 sfp->mdio_protocol = MDIO_I2C_NONE; in sfp_sm_mod_probe()
2338 sfp->quirk = sfp_lookup_quirk(&id); in sfp_sm_mod_probe()
2340 mutex_lock(&sfp->st_mutex); in sfp_sm_mod_probe()
2342 sfp->state_hw_mask = mask; in sfp_sm_mod_probe()
2344 /* We want to drive the rate select pins that the module is using */ in sfp_sm_mod_probe()
2345 sfp->state_hw_drive |= sfp->rs_state_mask; in sfp_sm_mod_probe()
2347 if (sfp->quirk && sfp->quirk->fixup) in sfp_sm_mod_probe()
2348 sfp->quirk->fixup(sfp); in sfp_sm_mod_probe()
2349 mutex_unlock(&sfp->st_mutex); in sfp_sm_mod_probe()
2356 if (sfp->sm_mod_state > SFP_MOD_WAITDEV) in sfp_sm_mod_remove()
2357 sfp_module_remove(sfp->sfp_bus); in sfp_sm_mod_remove()
2361 memset(&sfp->id, 0, sizeof(sfp->id)); in sfp_sm_mod_remove()
2362 sfp->module_power_mW = 0; in sfp_sm_mod_remove()
2363 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_sm_mod_remove()
2364 sfp->have_a2 = false; in sfp_sm_mod_remove()
2366 dev_info(sfp->dev, "module removed\n"); in sfp_sm_mod_remove()
2372 switch (sfp->sm_dev_state) { in sfp_sm_device()
2375 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2380 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2382 sfp->sm_dev_state = SFP_DEV_UP; in sfp_sm_device()
2387 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2389 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2395 * the on-board EEPROM, and sets up the power level.
2409 if (sfp->sm_dev_state < SFP_DEV_DOWN && in sfp_sm_module()
2410 sfp->sm_mod_state > SFP_MOD_WAITDEV) { in sfp_sm_module()
2411 if (sfp->module_power_mW > 1000 && in sfp_sm_module()
2412 sfp->sm_mod_state > SFP_MOD_HPOWER) in sfp_sm_module()
2418 switch (sfp->sm_mod_state) { in sfp_sm_module()
2422 sfp->sm_mod_tries_init = R_PROBE_RETRY_INIT; in sfp_sm_module()
2423 sfp->sm_mod_tries = R_PROBE_RETRY_SLOW; in sfp_sm_module()
2432 err = sfp_sm_mod_probe(sfp, sfp->sm_mod_tries == 1); in sfp_sm_module()
2433 if (err == -EAGAIN) { in sfp_sm_module()
2434 if (sfp->sm_mod_tries_init && in sfp_sm_module()
2435 --sfp->sm_mod_tries_init) { in sfp_sm_module()
2438 } else if (sfp->sm_mod_tries && --sfp->sm_mod_tries) { in sfp_sm_module()
2439 if (sfp->sm_mod_tries == R_PROBE_RETRY_SLOW - 1) in sfp_sm_module()
2440 dev_warn(sfp->dev, in sfp_sm_module()
2451 /* Force a poll to re-read the hardware signal state after in sfp_sm_module()
2454 mod_delayed_work(system_wq, &sfp->poll, 1); in sfp_sm_module()
2458 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_sm_module()
2465 if (sfp->sm_dev_state < SFP_DEV_DOWN) in sfp_sm_module()
2469 err = sfp_module_insert(sfp->sfp_bus, &sfp->id, in sfp_sm_module()
2470 sfp->quirk); in sfp_sm_module()
2477 if (sfp->module_power_mW <= 1000) in sfp_sm_module()
2486 if (err != -EAGAIN) { in sfp_sm_module()
2487 sfp_module_remove(sfp->sfp_bus); in sfp_sm_module()
2519 if (sfp->sm_state != SFP_S_DOWN && in sfp_sm_main()
2520 (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2521 sfp->sm_dev_state != SFP_DEV_UP)) { in sfp_sm_main()
2522 if (sfp->sm_state == SFP_S_LINK_UP && in sfp_sm_main()
2523 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_main()
2525 if (sfp->sm_state > SFP_S_INIT) in sfp_sm_main()
2526 sfp_module_stop(sfp->sfp_bus); in sfp_sm_main()
2527 if (sfp->mod_phy) in sfp_sm_main()
2529 if (sfp->i2c_mii) in sfp_sm_main()
2538 switch (sfp->sm_state) { in sfp_sm_main()
2540 if (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2541 sfp->sm_dev_state != SFP_DEV_UP) in sfp_sm_main()
2545 * memory, which implies that we have some level of SFF-8472 in sfp_sm_main()
2548 if (sfp->have_a2) in sfp_sm_main()
2554 sfp->sm_fault_retries = N_FAULT_INIT; in sfp_sm_main()
2561 sfp_sm_next(sfp, SFP_S_WAIT, sfp->module_t_wait); in sfp_sm_main()
2568 if (sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2569 /* Wait up to t_init (SFF-8472) or t_start_up (SFF-8431) in sfp_sm_main()
2574 timeout = sfp->module_t_start_up; in sfp_sm_main()
2575 if (timeout > sfp->module_t_wait) in sfp_sm_main()
2576 timeout -= sfp->module_t_wait; in sfp_sm_main()
2590 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2595 sfp->sm_fault_retries == N_FAULT_INIT); in sfp_sm_main()
2604 sfp->sm_phy_retries = R_PHY_RETRY; in sfp_sm_main()
2617 if (ret == -ENODEV) { in sfp_sm_main()
2618 if (--sfp->sm_phy_retries) { in sfp_sm_main()
2622 dev_info(sfp->dev, "no PHY detected\n"); in sfp_sm_main()
2628 if (sfp_module_start(sfp->sfp_bus)) { in sfp_sm_main()
2635 sfp->sm_fault_retries = N_FAULT; in sfp_sm_main()
2641 sfp_sm_next(sfp, SFP_S_INIT, sfp->module_t_start_up); in sfp_sm_main()
2665 sfp_sm_next(sfp, SFP_S_REINIT, sfp->module_t_start_up); in sfp_sm_main()
2670 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2673 dev_info(sfp->dev, "module transmit fault recovered\n"); in sfp_sm_main()
2685 dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", in __sfp_sm_event()
2686 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2687 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2688 sm_state_to_str(sfp->sm_state), in __sfp_sm_event()
2695 dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", in __sfp_sm_event()
2696 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2697 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2698 sm_state_to_str(sfp->sm_state)); in __sfp_sm_event()
2703 mutex_lock(&sfp->sm_mutex); in sfp_sm_event()
2705 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
2732 sfp->rate_kbd = rate_kbd; in sfp_set_signal_rate()
2734 if (rate_kbd > sfp->rs_threshold_kbd) in sfp_set_signal_rate()
2735 set = sfp->rs_state_mask; in sfp_set_signal_rate()
2746 if (sfp->id.ext.sff8472_compliance && in sfp_module_info()
2747 !(sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE)) { in sfp_module_info()
2748 modinfo->type = ETH_MODULE_SFF_8472; in sfp_module_info()
2749 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; in sfp_module_info()
2751 modinfo->type = ETH_MODULE_SFF_8079; in sfp_module_info()
2752 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; in sfp_module_info()
2763 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom()
2764 return -ENODEV; in sfp_module_eeprom()
2766 if (ee->len == 0) in sfp_module_eeprom()
2767 return -EINVAL; in sfp_module_eeprom()
2769 first = ee->offset; in sfp_module_eeprom()
2770 last = ee->offset + ee->len; in sfp_module_eeprom()
2773 len -= first; in sfp_module_eeprom()
2784 len -= first; in sfp_module_eeprom()
2785 first -= ETH_MODULE_SFF_8079_LEN; in sfp_module_eeprom()
2798 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom_by_page()
2799 return -ENODEV; in sfp_module_eeprom_by_page()
2801 if (page->bank) { in sfp_module_eeprom_by_page()
2803 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2806 if (page->page) { in sfp_module_eeprom_by_page()
2808 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2811 if (page->i2c_address != 0x50 && in sfp_module_eeprom_by_page()
2812 page->i2c_address != 0x51) { in sfp_module_eeprom_by_page()
2814 return -EOPNOTSUPP; in sfp_module_eeprom_by_page()
2817 return sfp_read(sfp, page->i2c_address == 0x51, page->offset, in sfp_module_eeprom_by_page()
2818 page->data, page->length); in sfp_module_eeprom_by_page()
2846 mutex_lock(&sfp->st_mutex); in sfp_check_state()
2848 changed = state ^ sfp->state; in sfp_check_state()
2849 if (sfp->tx_fault_ignore) in sfp_check_state()
2856 dev_dbg(sfp->dev, "%s %u -> %u\n", gpio_names[i], in sfp_check_state()
2857 !!(sfp->state & BIT(i)), !!(state & BIT(i))); in sfp_check_state()
2859 state |= sfp->state & SFP_F_OUTPUTS; in sfp_check_state()
2860 sfp->state = state; in sfp_check_state()
2861 mutex_unlock(&sfp->st_mutex); in sfp_check_state()
2863 mutex_lock(&sfp->sm_mutex); in sfp_check_state()
2875 mutex_unlock(&sfp->sm_mutex); in sfp_check_state()
2896 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) || in sfp_poll()
2897 sfp->need_poll) in sfp_poll()
2898 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_poll()
2907 return ERR_PTR(-ENOMEM); in sfp_alloc()
2909 sfp->dev = dev; in sfp_alloc()
2910 sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_alloc()
2912 mutex_init(&sfp->sm_mutex); in sfp_alloc()
2913 mutex_init(&sfp->st_mutex); in sfp_alloc()
2914 INIT_DELAYED_WORK(&sfp->poll, sfp_poll); in sfp_alloc()
2915 INIT_DELAYED_WORK(&sfp->timeout, sfp_timeout); in sfp_alloc()
2928 cancel_delayed_work_sync(&sfp->poll); in sfp_cleanup()
2929 cancel_delayed_work_sync(&sfp->timeout); in sfp_cleanup()
2930 if (sfp->i2c_mii) { in sfp_cleanup()
2931 mdiobus_unregister(sfp->i2c_mii); in sfp_cleanup()
2932 mdiobus_free(sfp->i2c_mii); in sfp_cleanup()
2934 if (sfp->i2c) in sfp_cleanup()
2935 i2c_put_adapter(sfp->i2c); in sfp_cleanup()
2945 h = fwnode_find_reference(dev_fwnode(sfp->dev), "i2c-bus", 0); in sfp_i2c_get()
2947 dev_err(sfp->dev, "missing 'i2c-bus' property\n"); in sfp_i2c_get()
2948 return -ENODEV; in sfp_i2c_get()
2953 err = -EPROBE_DEFER; in sfp_i2c_get()
2972 sfp = sfp_alloc(&pdev->dev); in sfp_probe()
2978 err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); in sfp_probe()
2982 sff = device_get_match_data(sfp->dev); in sfp_probe()
2986 sfp->type = sff; in sfp_probe()
2993 if (sff->gpios & BIT(i)) { in sfp_probe()
2994 sfp->gpio[i] = devm_gpiod_get_optional(sfp->dev, in sfp_probe()
2996 if (IS_ERR(sfp->gpio[i])) in sfp_probe()
2997 return PTR_ERR(sfp->gpio[i]); in sfp_probe()
3000 sfp->state_hw_mask = SFP_F_PRESENT; in sfp_probe()
3001 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_probe()
3003 sfp->get_state = sfp_gpio_get_state; in sfp_probe()
3004 sfp->set_state = sfp_gpio_set_state; in sfp_probe()
3007 if (!(sfp->gpio[GPIO_MODDEF0])) in sfp_probe()
3008 sfp->get_state = sff_gpio_get_state; in sfp_probe()
3010 device_property_read_u32(&pdev->dev, "maximum-power-milliwatt", in sfp_probe()
3011 &sfp->max_power_mW); in sfp_probe()
3012 if (sfp->max_power_mW < 1000) { in sfp_probe()
3013 if (sfp->max_power_mW) in sfp_probe()
3014 dev_warn(sfp->dev, in sfp_probe()
3016 sfp->max_power_mW = 1000; in sfp_probe()
3019 dev_info(sfp->dev, "Host maximum power %u.%uW\n", in sfp_probe()
3020 sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); in sfp_probe()
3025 sfp->state = sfp_get_state(sfp) | SFP_F_TX_DISABLE; in sfp_probe()
3027 if (sfp->gpio[GPIO_RS0] && in sfp_probe()
3028 gpiod_get_value_cansleep(sfp->gpio[GPIO_RS0])) in sfp_probe()
3029 sfp->state |= SFP_F_RS0; in sfp_probe()
3030 sfp_set_state(sfp, sfp->state); in sfp_probe()
3032 if (sfp->state & SFP_F_PRESENT) { in sfp_probe()
3039 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_probe()
3042 sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); in sfp_probe()
3043 if (sfp->gpio_irq[i] < 0) { in sfp_probe()
3044 sfp->gpio_irq[i] = 0; in sfp_probe()
3045 sfp->need_poll = true; in sfp_probe()
3049 sfp_irq_name = devm_kasprintf(sfp->dev, GFP_KERNEL, in sfp_probe()
3050 "%s-%s", dev_name(sfp->dev), in sfp_probe()
3054 return -ENOMEM; in sfp_probe()
3056 err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i], in sfp_probe()
3063 sfp->gpio_irq[i] = 0; in sfp_probe()
3064 sfp->need_poll = true; in sfp_probe()
3068 if (sfp->need_poll) in sfp_probe()
3069 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_probe()
3076 if (!sfp->gpio[GPIO_TX_DISABLE]) in sfp_probe()
3077 dev_warn(sfp->dev, in sfp_probe()
3080 sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); in sfp_probe()
3081 if (!sfp->sfp_bus) in sfp_probe()
3082 return -ENOMEM; in sfp_probe()
3094 sfp_unregister_socket(sfp->sfp_bus); in sfp_remove()
3109 if (!sfp->gpio_irq[i]) in sfp_shutdown()
3112 devm_free_irq(sfp->dev, sfp->gpio_irq[i], sfp); in sfp_shutdown()
3115 cancel_delayed_work_sync(&sfp->poll); in sfp_shutdown()
3116 cancel_delayed_work_sync(&sfp->timeout); in sfp_shutdown()