Lines Matching full:sfp
19 #include "sfp.h"
170 * on board (for a copper SFP) time to initialise.
196 /* SFP module presence detection is poor: the three MOD DEF signals are
210 /* SFP modules appear to always have their PHY configured for bus address
212 * RollBall SFPs access phy via SFP Enhanced Digital Diagnostic Interface
219 * at a time. Some SFP modules and also some Linux I2C drivers do not like
229 struct sfp { struct
241 unsigned int (*get_state)(struct sfp *); argument
242 void (*set_state)(struct sfp *, unsigned int); argument
243 int (*read)(struct sfp *, bool, u8, void *, size_t); argument
244 int (*write)(struct sfp *, bool, u8, void *, size_t); argument
319 /* SFP GPON module Ubiquiti U-Fiber Instant has in its EEPROM stored in sfp_module_supported()
320 * phys id SFF instead of SFP. Therefore mark this module explicitly in sfp_module_supported()
340 { .compatible = "sff,sfp", .data = &sfp_data, },
345 static void sfp_fixup_long_startup(struct sfp *sfp) in sfp_fixup_long_startup() argument
347 sfp->module_t_start_up = T_START_UP_BAD_GPON; in sfp_fixup_long_startup()
350 static void sfp_fixup_ignore_los(struct sfp *sfp) in sfp_fixup_ignore_los() argument
353 sfp->state_ignore_mask |= SFP_F_LOS; in sfp_fixup_ignore_los()
355 sfp->id.ext.options &= ~cpu_to_be16(SFP_OPTIONS_LOS_INVERTED | in sfp_fixup_ignore_los()
359 static void sfp_fixup_ignore_tx_fault(struct sfp *sfp) in sfp_fixup_ignore_tx_fault() argument
361 sfp->state_ignore_mask |= SFP_F_TX_FAULT; in sfp_fixup_ignore_tx_fault()
364 static void sfp_fixup_nokia(struct sfp *sfp) in sfp_fixup_nokia() argument
366 sfp_fixup_long_startup(sfp); in sfp_fixup_nokia()
367 sfp_fixup_ignore_los(sfp); in sfp_fixup_nokia()
371 static void sfp_fixup_10gbaset_30m(struct sfp *sfp) in sfp_fixup_10gbaset_30m() argument
373 sfp->id.base.connector = SFF8024_CONNECTOR_RJ45; in sfp_fixup_10gbaset_30m()
374 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SR; in sfp_fixup_10gbaset_30m()
377 static void sfp_fixup_rollball(struct sfp *sfp) in sfp_fixup_rollball() argument
379 sfp->mdio_protocol = MDIO_I2C_ROLLBALL; in sfp_fixup_rollball()
386 sfp->phy_t_retry = msecs_to_jiffies(1000); in sfp_fixup_rollball()
389 static void sfp_fixup_rollball_wait4s(struct sfp *sfp) in sfp_fixup_rollball_wait4s() argument
391 sfp_fixup_rollball(sfp); in sfp_fixup_rollball_wait4s()
397 sfp->module_t_wait = msecs_to_jiffies(4000); in sfp_fixup_rollball_wait4s()
400 static void sfp_fixup_fs_10gt(struct sfp *sfp) in sfp_fixup_fs_10gt() argument
402 sfp_fixup_10gbaset_30m(sfp); in sfp_fixup_fs_10gt()
403 sfp_fixup_rollball_wait4s(sfp); in sfp_fixup_fs_10gt()
406 static void sfp_fixup_halny_gsfp(struct sfp *sfp) in sfp_fixup_halny_gsfp() argument
412 sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS); in sfp_fixup_halny_gsfp()
415 static void sfp_fixup_rollball_cc(struct sfp *sfp) in sfp_fixup_rollball_cc() argument
417 sfp_fixup_rollball(sfp); in sfp_fixup_rollball_cc()
422 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SFI; in sfp_fixup_rollball_cc()
444 /* Copper 2.5G SFP */ in sfp_quirk_oem_2_5g()
478 // Fiberstore SFP-10G-T doesn't identify as copper, uses the Rollball
481 SFP_QUIRK_F("FS", "SFP-10G-T", sfp_fixup_fs_10gt),
483 // Fiberstore SFP-2.5G-T and SFP-10GM-T uses Rollball protocol to talk
485 SFP_QUIRK_F("FS", "SFP-2.5G-T", sfp_fixup_rollball_wait4s),
486 SFP_QUIRK_F("FS", "SFP-10GM-T", sfp_fixup_rollball_wait4s),
515 // OEM SFP-GE-T is a 1000Base-T module with broken TX_FAULT indicator
516 SFP_QUIRK_F("OEM", "SFP-GE-T", sfp_fixup_ignore_tx_fault),
518 SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc),
519 SFP_QUIRK_M("OEM", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
520 SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-D", sfp_quirk_2500basex),
521 SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-U", sfp_quirk_2500basex),
571 static unsigned int sfp_gpio_get_state(struct sfp *sfp) in sfp_gpio_get_state() argument
576 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_gpio_get_state()
579 v = gpiod_get_value_cansleep(sfp->gpio[i]); in sfp_gpio_get_state()
587 static unsigned int sff_gpio_get_state(struct sfp *sfp) in sff_gpio_get_state() argument
589 return sfp_gpio_get_state(sfp) | SFP_F_PRESENT; in sff_gpio_get_state()
592 static void sfp_gpio_set_state(struct sfp *sfp, unsigned int state) in sfp_gpio_set_state() argument
598 drive = sfp->state_hw_drive; in sfp_gpio_set_state()
603 if (sfp->gpio[GPIO_TX_DISABLE]) { in sfp_gpio_set_state()
605 gpiod_direction_output(sfp->gpio[GPIO_TX_DISABLE], in sfp_gpio_set_state()
608 gpiod_direction_input(sfp->gpio[GPIO_TX_DISABLE]); in sfp_gpio_set_state()
611 if (sfp->gpio[GPIO_RS0]) { in sfp_gpio_set_state()
613 gpiod_direction_output(sfp->gpio[GPIO_RS0], in sfp_gpio_set_state()
616 gpiod_direction_input(sfp->gpio[GPIO_RS0]); in sfp_gpio_set_state()
619 if (sfp->gpio[GPIO_RS1]) { in sfp_gpio_set_state()
621 gpiod_direction_output(sfp->gpio[GPIO_RS1], in sfp_gpio_set_state()
624 gpiod_direction_input(sfp->gpio[GPIO_RS1]); in sfp_gpio_set_state()
628 static int sfp_i2c_read(struct sfp *sfp, bool a2, u8 dev_addr, void *buf, in sfp_i2c_read() argument
633 size_t block_size = sfp->i2c_block_size; in sfp_i2c_read()
653 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_read()
668 static int sfp_i2c_write(struct sfp *sfp, bool a2, u8 dev_addr, void *buf, in sfp_i2c_write() argument
685 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_write()
695 static int sfp_smbus_byte_read(struct sfp *sfp, bool a2, u8 dev_addr, in sfp_smbus_byte_read() argument
704 ret = i2c_smbus_xfer(sfp->i2c, bus_addr, 0, in sfp_smbus_byte_read()
720 static int sfp_smbus_byte_write(struct sfp *sfp, bool a2, u8 dev_addr, in sfp_smbus_byte_write() argument
730 ret = i2c_smbus_xfer(sfp->i2c, bus_addr, 0, in sfp_smbus_byte_write()
744 static int sfp_i2c_configure(struct sfp *sfp, struct i2c_adapter *i2c) in sfp_i2c_configure() argument
746 sfp->i2c = i2c; in sfp_i2c_configure()
749 sfp->read = sfp_i2c_read; in sfp_i2c_configure()
750 sfp->write = sfp_i2c_write; in sfp_i2c_configure()
751 sfp->i2c_max_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_i2c_configure()
753 sfp->read = sfp_smbus_byte_read; in sfp_i2c_configure()
754 sfp->write = sfp_smbus_byte_write; in sfp_i2c_configure()
755 sfp->i2c_max_block_size = 1; in sfp_i2c_configure()
757 sfp->i2c = NULL; in sfp_i2c_configure()
764 static int sfp_i2c_mdiobus_create(struct sfp *sfp) in sfp_i2c_mdiobus_create() argument
769 i2c_mii = mdio_i2c_alloc(sfp->dev, sfp->i2c, sfp->mdio_protocol); in sfp_i2c_mdiobus_create()
773 i2c_mii->name = "SFP I2C Bus"; in sfp_i2c_mdiobus_create()
782 sfp->i2c_mii = i2c_mii; in sfp_i2c_mdiobus_create()
787 static void sfp_i2c_mdiobus_destroy(struct sfp *sfp) in sfp_i2c_mdiobus_destroy() argument
789 mdiobus_unregister(sfp->i2c_mii); in sfp_i2c_mdiobus_destroy()
790 sfp->i2c_mii = NULL; in sfp_i2c_mdiobus_destroy()
794 static int sfp_read(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) in sfp_read() argument
796 return sfp->read(sfp, a2, addr, buf, len); in sfp_read()
799 static int sfp_write(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) in sfp_write() argument
801 return sfp->write(sfp, a2, addr, buf, len); in sfp_write()
804 static int sfp_modify_u8(struct sfp *sfp, bool a2, u8 addr, u8 mask, u8 val) in sfp_modify_u8() argument
809 ret = sfp_read(sfp, a2, addr, &old, sizeof(old)); in sfp_modify_u8()
817 return sfp_write(sfp, a2, addr, &v, sizeof(v)); in sfp_modify_u8()
820 static unsigned int sfp_soft_get_state(struct sfp *sfp) in sfp_soft_get_state() argument
826 ret = sfp_read(sfp, true, SFP_STATUS, &status, sizeof(status)); in sfp_soft_get_state()
833 dev_err_ratelimited(sfp->dev, in sfp_soft_get_state()
834 "failed to read SFP soft status: %pe\n", in sfp_soft_get_state()
837 state = sfp->state; in sfp_soft_get_state()
840 return state & sfp->state_soft_mask; in sfp_soft_get_state()
843 static void sfp_soft_set_state(struct sfp *sfp, unsigned int state, in sfp_soft_set_state() argument
860 sfp_modify_u8(sfp, true, SFP_STATUS, mask, val); in sfp_soft_set_state()
869 sfp_modify_u8(sfp, true, SFP_EXT_STATUS, mask, val); in sfp_soft_set_state()
872 static void sfp_soft_start_poll(struct sfp *sfp) in sfp_soft_start_poll() argument
874 const struct sfp_eeprom_id *id = &sfp->id; in sfp_soft_start_poll()
884 mask |= sfp->rs_state_mask; in sfp_soft_start_poll()
886 mutex_lock(&sfp->st_mutex); in sfp_soft_start_poll()
888 sfp->state_soft_mask = ~sfp->state_hw_mask & ~sfp->state_ignore_mask & in sfp_soft_start_poll()
891 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) && in sfp_soft_start_poll()
892 !sfp->need_poll) in sfp_soft_start_poll()
893 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_soft_start_poll()
894 mutex_unlock(&sfp->st_mutex); in sfp_soft_start_poll()
897 static void sfp_soft_stop_poll(struct sfp *sfp) in sfp_soft_stop_poll() argument
899 mutex_lock(&sfp->st_mutex); in sfp_soft_stop_poll()
900 sfp->state_soft_mask = 0; in sfp_soft_stop_poll()
901 mutex_unlock(&sfp->st_mutex); in sfp_soft_stop_poll()
907 static unsigned int sfp_get_state(struct sfp *sfp) in sfp_get_state() argument
909 unsigned int soft = sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT); in sfp_get_state()
912 state = sfp->get_state(sfp) & sfp->state_hw_mask; in sfp_get_state()
914 state |= sfp_soft_get_state(sfp); in sfp_get_state()
922 static void sfp_set_state(struct sfp *sfp, unsigned int state) in sfp_set_state() argument
926 sfp->set_state(sfp, state); in sfp_set_state()
928 soft = sfp->state_soft_mask & SFP_F_OUTPUTS; in sfp_set_state()
930 sfp_soft_set_state(sfp, state, soft); in sfp_set_state()
933 static void sfp_mod_state(struct sfp *sfp, unsigned int mask, unsigned int set) in sfp_mod_state() argument
935 mutex_lock(&sfp->st_mutex); in sfp_mod_state()
936 sfp->state = (sfp->state & ~mask) | set; in sfp_mod_state()
937 sfp_set_state(sfp, sfp->state); in sfp_mod_state()
938 mutex_unlock(&sfp->st_mutex); in sfp_mod_state()
957 const struct sfp *sfp = data; in sfp_hwmon_is_visible() local
970 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
989 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1008 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1024 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && in sfp_hwmon_is_visible()
1036 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
1050 static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_sensor() argument
1055 err = sfp_read(sfp, true, reg, &val, sizeof(val)); in sfp_hwmon_read_sensor()
1069 static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset, in sfp_hwmon_calibrate() argument
1072 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) in sfp_hwmon_calibrate()
1076 static void sfp_hwmon_calibrate_temp(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_temp() argument
1078 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), in sfp_hwmon_calibrate_temp()
1079 be16_to_cpu(sfp->diag.cal_t_offset), value); in sfp_hwmon_calibrate_temp()
1087 static void sfp_hwmon_calibrate_vcc(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_vcc() argument
1089 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), in sfp_hwmon_calibrate_vcc()
1090 be16_to_cpu(sfp->diag.cal_v_offset), value); in sfp_hwmon_calibrate_vcc()
1095 static void sfp_hwmon_calibrate_bias(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_bias() argument
1097 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), in sfp_hwmon_calibrate_bias()
1098 be16_to_cpu(sfp->diag.cal_txi_offset), value); in sfp_hwmon_calibrate_bias()
1103 static void sfp_hwmon_calibrate_tx_power(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_tx_power() argument
1105 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), in sfp_hwmon_calibrate_tx_power()
1106 be16_to_cpu(sfp->diag.cal_txpwr_offset), value); in sfp_hwmon_calibrate_tx_power()
1111 static int sfp_hwmon_read_temp(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_temp() argument
1115 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_temp()
1119 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_read_temp()
1124 static int sfp_hwmon_read_vcc(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_vcc() argument
1128 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_vcc()
1132 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_read_vcc()
1137 static int sfp_hwmon_read_bias(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_bias() argument
1141 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_bias()
1145 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_read_bias()
1150 static int sfp_hwmon_read_tx_power(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_tx_power() argument
1154 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_tx_power()
1158 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_read_tx_power()
1163 static int sfp_hwmon_read_rx_power(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_rx_power() argument
1167 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_rx_power()
1176 static int sfp_hwmon_temp(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_temp() argument
1183 return sfp_hwmon_read_temp(sfp, SFP_TEMP, value); in sfp_hwmon_temp()
1186 *value = be16_to_cpu(sfp->diag.temp_low_alarm); in sfp_hwmon_temp()
1187 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1191 *value = be16_to_cpu(sfp->diag.temp_low_warn); in sfp_hwmon_temp()
1192 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1195 *value = be16_to_cpu(sfp->diag.temp_high_warn); in sfp_hwmon_temp()
1196 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1200 *value = be16_to_cpu(sfp->diag.temp_high_alarm); in sfp_hwmon_temp()
1201 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1205 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_temp()
1213 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_temp()
1221 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_temp()
1229 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_temp()
1242 static int sfp_hwmon_vcc(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_vcc() argument
1249 return sfp_hwmon_read_vcc(sfp, SFP_VCC, value); in sfp_hwmon_vcc()
1252 *value = be16_to_cpu(sfp->diag.volt_low_alarm); in sfp_hwmon_vcc()
1253 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1257 *value = be16_to_cpu(sfp->diag.volt_low_warn); in sfp_hwmon_vcc()
1258 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1262 *value = be16_to_cpu(sfp->diag.volt_high_warn); in sfp_hwmon_vcc()
1263 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1267 *value = be16_to_cpu(sfp->diag.volt_high_alarm); in sfp_hwmon_vcc()
1268 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1272 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_vcc()
1280 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_vcc()
1288 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_vcc()
1296 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_vcc()
1309 static int sfp_hwmon_bias(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_bias() argument
1316 return sfp_hwmon_read_bias(sfp, SFP_TX_BIAS, value); in sfp_hwmon_bias()
1319 *value = be16_to_cpu(sfp->diag.bias_low_alarm); in sfp_hwmon_bias()
1320 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1324 *value = be16_to_cpu(sfp->diag.bias_low_warn); in sfp_hwmon_bias()
1325 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1329 *value = be16_to_cpu(sfp->diag.bias_high_warn); in sfp_hwmon_bias()
1330 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1334 *value = be16_to_cpu(sfp->diag.bias_high_alarm); in sfp_hwmon_bias()
1335 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1339 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_bias()
1347 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_bias()
1355 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_bias()
1363 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_bias()
1376 static int sfp_hwmon_tx_power(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_tx_power() argument
1383 return sfp_hwmon_read_tx_power(sfp, SFP_TX_POWER, value); in sfp_hwmon_tx_power()
1386 *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); in sfp_hwmon_tx_power()
1387 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1391 *value = be16_to_cpu(sfp->diag.txpwr_low_warn); in sfp_hwmon_tx_power()
1392 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1396 *value = be16_to_cpu(sfp->diag.txpwr_high_warn); in sfp_hwmon_tx_power()
1397 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1401 *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); in sfp_hwmon_tx_power()
1402 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1406 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1414 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1422 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1430 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1443 static int sfp_hwmon_rx_power(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_rx_power() argument
1450 return sfp_hwmon_read_rx_power(sfp, SFP_RX_POWER, value); in sfp_hwmon_rx_power()
1453 *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); in sfp_hwmon_rx_power()
1458 *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); in sfp_hwmon_rx_power()
1463 *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); in sfp_hwmon_rx_power()
1468 *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); in sfp_hwmon_rx_power()
1473 err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1481 err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1489 err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1497 err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1513 struct sfp *sfp = dev_get_drvdata(dev); in sfp_hwmon_read() local
1517 return sfp_hwmon_temp(sfp, attr, value); in sfp_hwmon_read()
1519 return sfp_hwmon_vcc(sfp, attr, value); in sfp_hwmon_read()
1521 return sfp_hwmon_bias(sfp, attr, value); in sfp_hwmon_read()
1525 return sfp_hwmon_tx_power(sfp, attr, value); in sfp_hwmon_read()
1527 return sfp_hwmon_rx_power(sfp, attr, value); in sfp_hwmon_read()
1644 struct sfp *sfp = container_of(work, struct sfp, hwmon_probe.work); in sfp_hwmon_probe() local
1653 if (sfp->i2c_block_size < 2) { in sfp_hwmon_probe()
1654 dev_info(sfp->dev, in sfp_hwmon_probe()
1656 dev_info(sfp->dev, in sfp_hwmon_probe()
1661 err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); in sfp_hwmon_probe()
1663 if (sfp->hwmon_tries--) { in sfp_hwmon_probe()
1664 mod_delayed_work(system_wq, &sfp->hwmon_probe, in sfp_hwmon_probe()
1667 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_hwmon_probe()
1673 sfp->hwmon_name = hwmon_sanitize_name(dev_name(sfp->dev)); in sfp_hwmon_probe()
1674 if (IS_ERR(sfp->hwmon_name)) { in sfp_hwmon_probe()
1675 dev_err(sfp->dev, "out of memory for hwmon name\n"); in sfp_hwmon_probe()
1679 sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, in sfp_hwmon_probe()
1680 sfp->hwmon_name, sfp, in sfp_hwmon_probe()
1683 if (IS_ERR(sfp->hwmon_dev)) in sfp_hwmon_probe()
1684 dev_err(sfp->dev, "failed to register hwmon device: %ld\n", in sfp_hwmon_probe()
1685 PTR_ERR(sfp->hwmon_dev)); in sfp_hwmon_probe()
1688 static int sfp_hwmon_insert(struct sfp *sfp) in sfp_hwmon_insert() argument
1690 if (sfp->have_a2 && sfp->id.ext.diagmon & SFP_DIAGMON_DDM) { in sfp_hwmon_insert()
1691 mod_delayed_work(system_wq, &sfp->hwmon_probe, 1); in sfp_hwmon_insert()
1692 sfp->hwmon_tries = R_PROBE_RETRY_SLOW; in sfp_hwmon_insert()
1698 static void sfp_hwmon_remove(struct sfp *sfp) in sfp_hwmon_remove() argument
1700 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_remove()
1701 if (!IS_ERR_OR_NULL(sfp->hwmon_dev)) { in sfp_hwmon_remove()
1702 hwmon_device_unregister(sfp->hwmon_dev); in sfp_hwmon_remove()
1703 sfp->hwmon_dev = NULL; in sfp_hwmon_remove()
1704 kfree(sfp->hwmon_name); in sfp_hwmon_remove()
1708 static int sfp_hwmon_init(struct sfp *sfp) in sfp_hwmon_init() argument
1710 INIT_DELAYED_WORK(&sfp->hwmon_probe, sfp_hwmon_probe); in sfp_hwmon_init()
1715 static void sfp_hwmon_exit(struct sfp *sfp) in sfp_hwmon_exit() argument
1717 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_exit()
1720 static int sfp_hwmon_insert(struct sfp *sfp) in sfp_hwmon_insert() argument
1725 static void sfp_hwmon_remove(struct sfp *sfp) in sfp_hwmon_remove() argument
1729 static int sfp_hwmon_init(struct sfp *sfp) in sfp_hwmon_init() argument
1734 static void sfp_hwmon_exit(struct sfp *sfp) in sfp_hwmon_exit() argument
1740 static void sfp_module_tx_disable(struct sfp *sfp) in sfp_module_tx_disable() argument
1742 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_disable()
1743 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 1); in sfp_module_tx_disable()
1744 sfp_mod_state(sfp, SFP_F_TX_DISABLE, SFP_F_TX_DISABLE); in sfp_module_tx_disable()
1747 static void sfp_module_tx_enable(struct sfp *sfp) in sfp_module_tx_enable() argument
1749 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_enable()
1750 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 0); in sfp_module_tx_enable()
1751 sfp_mod_state(sfp, SFP_F_TX_DISABLE, 0); in sfp_module_tx_enable()
1757 struct sfp *sfp = s->private; in sfp_debug_state_show() local
1760 mod_state_to_str(sfp->sm_mod_state)); in sfp_debug_state_show()
1762 R_PROBE_RETRY_INIT - sfp->sm_mod_tries_init, in sfp_debug_state_show()
1763 R_PROBE_RETRY_SLOW - sfp->sm_mod_tries); in sfp_debug_state_show()
1765 dev_state_to_str(sfp->sm_dev_state)); in sfp_debug_state_show()
1767 sm_state_to_str(sfp->sm_state)); in sfp_debug_state_show()
1769 sfp->sm_fault_retries); in sfp_debug_state_show()
1771 sfp->sm_phy_retries); in sfp_debug_state_show()
1772 seq_printf(s, "Signalling rate: %u kBd\n", sfp->rate_kbd); in sfp_debug_state_show()
1774 sfp->rs_threshold_kbd); in sfp_debug_state_show()
1775 seq_printf(s, "moddef0: %d\n", !!(sfp->state & SFP_F_PRESENT)); in sfp_debug_state_show()
1776 seq_printf(s, "rx_los: %d\n", !!(sfp->state & SFP_F_LOS)); in sfp_debug_state_show()
1777 seq_printf(s, "tx_fault: %d\n", !!(sfp->state & SFP_F_TX_FAULT)); in sfp_debug_state_show()
1778 seq_printf(s, "tx_disable: %d\n", !!(sfp->state & SFP_F_TX_DISABLE)); in sfp_debug_state_show()
1779 seq_printf(s, "rs0: %d\n", !!(sfp->state & SFP_F_RS0)); in sfp_debug_state_show()
1780 seq_printf(s, "rs1: %d\n", !!(sfp->state & SFP_F_RS1)); in sfp_debug_state_show()
1785 static void sfp_debugfs_init(struct sfp *sfp) in sfp_debugfs_init() argument
1787 sfp->debugfs_dir = debugfs_create_dir(dev_name(sfp->dev), NULL); in sfp_debugfs_init()
1789 debugfs_create_file("state", 0600, sfp->debugfs_dir, sfp, in sfp_debugfs_init()
1793 static void sfp_debugfs_exit(struct sfp *sfp) in sfp_debugfs_exit() argument
1795 debugfs_remove_recursive(sfp->debugfs_dir); in sfp_debugfs_exit()
1798 static void sfp_debugfs_init(struct sfp *sfp) in sfp_debugfs_init() argument
1802 static void sfp_debugfs_exit(struct sfp *sfp) in sfp_debugfs_exit() argument
1807 static void sfp_module_tx_fault_reset(struct sfp *sfp) in sfp_module_tx_fault_reset() argument
1811 mutex_lock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1812 state = sfp->state; in sfp_module_tx_fault_reset()
1814 sfp_set_state(sfp, state | SFP_F_TX_DISABLE); in sfp_module_tx_fault_reset()
1818 sfp_set_state(sfp, state); in sfp_module_tx_fault_reset()
1820 mutex_unlock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1823 /* SFP state machine */
1824 static void sfp_sm_set_timer(struct sfp *sfp, unsigned int timeout) in sfp_sm_set_timer() argument
1827 mod_delayed_work(system_power_efficient_wq, &sfp->timeout, in sfp_sm_set_timer()
1830 cancel_delayed_work(&sfp->timeout); in sfp_sm_set_timer()
1833 static void sfp_sm_next(struct sfp *sfp, unsigned int state, in sfp_sm_next() argument
1836 sfp->sm_state = state; in sfp_sm_next()
1837 sfp_sm_set_timer(sfp, timeout); in sfp_sm_next()
1840 static void sfp_sm_mod_next(struct sfp *sfp, unsigned int state, in sfp_sm_mod_next() argument
1843 sfp->sm_mod_state = state; in sfp_sm_mod_next()
1844 sfp_sm_set_timer(sfp, timeout); in sfp_sm_mod_next()
1847 static void sfp_sm_phy_detach(struct sfp *sfp) in sfp_sm_phy_detach() argument
1849 sfp_remove_phy(sfp->sfp_bus); in sfp_sm_phy_detach()
1850 phy_device_remove(sfp->mod_phy); in sfp_sm_phy_detach()
1851 phy_device_free(sfp->mod_phy); in sfp_sm_phy_detach()
1852 sfp->mod_phy = NULL; in sfp_sm_phy_detach()
1855 static int sfp_sm_probe_phy(struct sfp *sfp, int addr, bool is_c45) in sfp_sm_probe_phy() argument
1860 phy = get_phy_device(sfp->i2c_mii, addr, is_c45); in sfp_sm_probe_phy()
1864 dev_err(sfp->dev, "mdiobus scan returned %pe\n", phy); in sfp_sm_probe_phy()
1868 /* Mark this PHY as being on a SFP module */ in sfp_sm_probe_phy()
1874 dev_err(sfp->dev, "phy_device_register failed: %pe\n", in sfp_sm_probe_phy()
1879 err = sfp_add_phy(sfp->sfp_bus, phy); in sfp_sm_probe_phy()
1883 dev_err(sfp->dev, "sfp_add_phy failed: %pe\n", ERR_PTR(err)); in sfp_sm_probe_phy()
1887 sfp->mod_phy = phy; in sfp_sm_probe_phy()
1892 static void sfp_sm_link_up(struct sfp *sfp) in sfp_sm_link_up() argument
1894 sfp_link_up(sfp->sfp_bus); in sfp_sm_link_up()
1895 sfp_sm_next(sfp, SFP_S_LINK_UP, 0); in sfp_sm_link_up()
1898 static void sfp_sm_link_down(struct sfp *sfp) in sfp_sm_link_down() argument
1900 sfp_link_down(sfp->sfp_bus); in sfp_sm_link_down()
1903 static void sfp_sm_link_check_los(struct sfp *sfp) in sfp_sm_link_check_los() argument
1907 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_sm_link_check_los()
1915 los = !(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1917 los = !!(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1920 sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0); in sfp_sm_link_check_los()
1922 sfp_sm_link_up(sfp); in sfp_sm_link_check_los()
1925 static bool sfp_los_event_active(struct sfp *sfp, unsigned int event) in sfp_los_event_active() argument
1929 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_active()
1935 static bool sfp_los_event_inactive(struct sfp *sfp, unsigned int event) in sfp_los_event_inactive() argument
1939 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_inactive()
1945 static void sfp_sm_fault(struct sfp *sfp, unsigned int next_state, bool warn) in sfp_sm_fault() argument
1947 if (sfp->sm_fault_retries && !--sfp->sm_fault_retries) { in sfp_sm_fault()
1948 dev_err(sfp->dev, in sfp_sm_fault()
1950 sfp_sm_next(sfp, SFP_S_TX_DISABLE, 0); in sfp_sm_fault()
1953 dev_err(sfp->dev, "module transmit fault indicated\n"); in sfp_sm_fault()
1955 sfp_sm_next(sfp, next_state, T_FAULT_RECOVER); in sfp_sm_fault()
1959 static int sfp_sm_add_mdio_bus(struct sfp *sfp) in sfp_sm_add_mdio_bus() argument
1961 if (sfp->mdio_protocol != MDIO_I2C_NONE) in sfp_sm_add_mdio_bus()
1962 return sfp_i2c_mdiobus_create(sfp); in sfp_sm_add_mdio_bus()
1967 /* Probe a SFP for a PHY device if the module supports copper - the PHY
1971 * Clause 22 copper SFP modules normally operate in Cisco SGMII mode with
1975 * Clause 45 copper SFP+ modules (10G) appear to switch their interface
1978 static int sfp_sm_probe_for_phy(struct sfp *sfp) in sfp_sm_probe_for_phy() argument
1982 switch (sfp->mdio_protocol) { in sfp_sm_probe_for_phy()
1987 err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR, false); in sfp_sm_probe_for_phy()
1991 err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR, true); in sfp_sm_probe_for_phy()
1995 err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR_ROLLBALL, true); in sfp_sm_probe_for_phy()
2002 static int sfp_module_parse_power(struct sfp *sfp) in sfp_module_parse_power() argument
2007 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_power()
2008 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL)) in sfp_module_parse_power()
2011 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV11_4 && in sfp_module_parse_power()
2012 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL)) in sfp_module_parse_power()
2017 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
2021 supports_a2 = sfp->id.ext.sff8472_compliance != in sfp_module_parse_power()
2023 sfp->id.ext.diagmon & SFP_DIAGMON_DDM; in sfp_module_parse_power()
2025 if (power_mW > sfp->max_power_mW) { in sfp_module_parse_power()
2032 dev_err(sfp->dev, in sfp_module_parse_power()
2037 dev_warn(sfp->dev, in sfp_module_parse_power()
2056 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) { in sfp_module_parse_power()
2057 dev_warn(sfp->dev, in sfp_module_parse_power()
2063 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
2068 static int sfp_sm_mod_hpower(struct sfp *sfp, bool enable) in sfp_sm_mod_hpower() argument
2072 err = sfp_modify_u8(sfp, true, SFP_EXT_STATUS, in sfp_sm_mod_hpower()
2076 dev_err(sfp->dev, "failed to %sable high power: %pe\n", in sfp_sm_mod_hpower()
2082 dev_info(sfp->dev, "Module switched to %u.%uW power level\n", in sfp_sm_mod_hpower()
2083 sfp->module_power_mW / 1000, in sfp_sm_mod_hpower()
2084 (sfp->module_power_mW / 100) % 10); in sfp_sm_mod_hpower()
2089 static void sfp_module_parse_rate_select(struct sfp *sfp) in sfp_module_parse_rate_select() argument
2093 sfp->rs_threshold_kbd = 0; in sfp_module_parse_rate_select()
2094 sfp->rs_state_mask = 0; in sfp_module_parse_rate_select()
2096 if (!(sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_RATE_SELECT))) in sfp_module_parse_rate_select()
2106 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2107 sfp->rs_threshold_kbd = 1594; in sfp_module_parse_rate_select()
2117 rate_id = sfp->id.base.rate_id; in sfp_module_parse_rate_select()
2126 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_rate_select()
2127 sfp->id.ext.sff8472_compliance < SFP_SFF8472_COMPLIANCE_REV11_0 && in sfp_module_parse_rate_select()
2136 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_APP_SELECT_SFF8079)) { in sfp_module_parse_rate_select()
2142 sfp->rs_threshold_kbd = 2125 - 1; in sfp_module_parse_rate_select()
2143 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2149 if (sfp->id.ext.sff8472_compliance <= SFP_SFF8472_COMPLIANCE_REV9_5) in sfp_module_parse_rate_select()
2157 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2158 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2162 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2163 sfp->rs_state_mask = SFP_F_RS1; in sfp_module_parse_rate_select()
2167 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2168 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2172 sfp->rs_threshold_kbd = 9000; in sfp_module_parse_rate_select()
2173 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2189 static bool sfp_id_needs_byte_io(struct sfp *sfp, void *buf, size_t len) in sfp_id_needs_byte_io() argument
2191 size_t i, block_size = sfp->i2c_block_size; in sfp_id_needs_byte_io()
2204 static int sfp_cotsworks_fixup_check(struct sfp *sfp, struct sfp_eeprom_id *id) in sfp_cotsworks_fixup_check() argument
2212 dev_warn(sfp->dev, "Rewriting fiber module EEPROM with corrected values\n"); in sfp_cotsworks_fixup_check()
2216 err = sfp_write(sfp, false, SFP_PHYS_ID, &id->base, 3); in sfp_cotsworks_fixup_check()
2218 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2229 err = sfp_write(sfp, false, SFP_CC_BASE, &check, 1); in sfp_cotsworks_fixup_check()
2231 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2240 static int sfp_module_parse_sff8472(struct sfp *sfp) in sfp_module_parse_sff8472() argument
2243 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_module_parse_sff8472()
2244 dev_warn(sfp->dev, in sfp_module_parse_sff8472()
2247 sfp->have_a2 = true; in sfp_module_parse_sff8472()
2252 static int sfp_sm_mod_probe(struct sfp *sfp, bool report) in sfp_sm_mod_probe() argument
2254 /* SFP module inserted - read I2C data */ in sfp_sm_mod_probe()
2262 sfp->i2c_block_size = sfp->i2c_max_block_size; in sfp_sm_mod_probe()
2264 ret = sfp_read(sfp, false, 0, &id.base, sizeof(id.base)); in sfp_sm_mod_probe()
2267 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2273 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2277 /* Some SFP modules (e.g. Nokia 3FE46541AA) lock up if read from in sfp_sm_mod_probe()
2283 if (sfp_id_needs_byte_io(sfp, &id.base, sizeof(id.base))) { in sfp_sm_mod_probe()
2284 dev_info(sfp->dev, in sfp_sm_mod_probe()
2286 dev_info(sfp->dev, in sfp_sm_mod_probe()
2288 sfp->i2c_block_size = 1; in sfp_sm_mod_probe()
2290 ret = sfp_read(sfp, false, 0, &id.base, sizeof(id.base)); in sfp_sm_mod_probe()
2293 dev_err(sfp->dev, in sfp_sm_mod_probe()
2300 dev_err(sfp->dev, "EEPROM short read: %pe\n", in sfp_sm_mod_probe()
2318 ret = sfp_cotsworks_fixup_check(sfp, &id); in sfp_sm_mod_probe()
2327 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2331 dev_err(sfp->dev, in sfp_sm_mod_probe()
2334 print_hex_dump(KERN_ERR, "sfp EE: ", DUMP_PREFIX_OFFSET, in sfp_sm_mod_probe()
2340 ret = sfp_read(sfp, false, SFP_CC_BASE + 1, &id.ext, sizeof(id.ext)); in sfp_sm_mod_probe()
2343 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2349 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2356 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2360 dev_err(sfp->dev, in sfp_sm_mod_probe()
2363 print_hex_dump(KERN_ERR, "sfp EE: ", DUMP_PREFIX_OFFSET, in sfp_sm_mod_probe()
2369 sfp->id = id; in sfp_sm_mod_probe()
2371 dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n", in sfp_sm_mod_probe()
2379 if (!sfp->type->module_supported(&id)) { in sfp_sm_mod_probe()
2380 dev_err(sfp->dev, in sfp_sm_mod_probe()
2382 sfp->id.base.phys_id, sfp->id.base.phys_ext_id); in sfp_sm_mod_probe()
2386 if (sfp->id.ext.sff8472_compliance != SFP_SFF8472_COMPLIANCE_NONE) { in sfp_sm_mod_probe()
2387 ret = sfp_module_parse_sff8472(sfp); in sfp_sm_mod_probe()
2393 ret = sfp_module_parse_power(sfp); in sfp_sm_mod_probe()
2397 sfp_module_parse_rate_select(sfp); in sfp_sm_mod_probe()
2400 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_sm_mod_probe()
2402 if (sfp->gpio[GPIO_TX_FAULT]) in sfp_sm_mod_probe()
2404 if (sfp->gpio[GPIO_LOS]) in sfp_sm_mod_probe()
2406 if (sfp->gpio[GPIO_RS0]) in sfp_sm_mod_probe()
2408 if (sfp->gpio[GPIO_RS1]) in sfp_sm_mod_probe()
2411 sfp->module_t_start_up = T_START_UP; in sfp_sm_mod_probe()
2412 sfp->module_t_wait = T_WAIT; in sfp_sm_mod_probe()
2413 sfp->phy_t_retry = T_PHY_RETRY; in sfp_sm_mod_probe()
2415 sfp->state_ignore_mask = 0; in sfp_sm_mod_probe()
2417 if (sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SFI || in sfp_sm_mod_probe()
2418 sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SR || in sfp_sm_mod_probe()
2419 sfp->id.base.extended_cc == SFF8024_ECC_5GBASE_T || in sfp_sm_mod_probe()
2420 sfp->id.base.extended_cc == SFF8024_ECC_2_5GBASE_T) in sfp_sm_mod_probe()
2421 sfp->mdio_protocol = MDIO_I2C_C45; in sfp_sm_mod_probe()
2422 else if (sfp->id.base.e1000_base_t) in sfp_sm_mod_probe()
2423 sfp->mdio_protocol = MDIO_I2C_MARVELL_C22; in sfp_sm_mod_probe()
2425 sfp->mdio_protocol = MDIO_I2C_NONE; in sfp_sm_mod_probe()
2427 sfp->quirk = sfp_lookup_quirk(&id); in sfp_sm_mod_probe()
2429 mutex_lock(&sfp->st_mutex); in sfp_sm_mod_probe()
2431 sfp->state_hw_mask = mask; in sfp_sm_mod_probe()
2434 sfp->state_hw_drive |= sfp->rs_state_mask; in sfp_sm_mod_probe()
2436 if (sfp->quirk && sfp->quirk->fixup) in sfp_sm_mod_probe()
2437 sfp->quirk->fixup(sfp); in sfp_sm_mod_probe()
2439 sfp->state_hw_mask &= ~sfp->state_ignore_mask; in sfp_sm_mod_probe()
2440 mutex_unlock(&sfp->st_mutex); in sfp_sm_mod_probe()
2445 static void sfp_sm_mod_remove(struct sfp *sfp) in sfp_sm_mod_remove() argument
2447 if (sfp->sm_mod_state > SFP_MOD_WAITDEV) in sfp_sm_mod_remove()
2448 sfp_module_remove(sfp->sfp_bus); in sfp_sm_mod_remove()
2450 sfp_hwmon_remove(sfp); in sfp_sm_mod_remove()
2452 memset(&sfp->id, 0, sizeof(sfp->id)); in sfp_sm_mod_remove()
2453 sfp->module_power_mW = 0; in sfp_sm_mod_remove()
2454 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_sm_mod_remove()
2455 sfp->have_a2 = false; in sfp_sm_mod_remove()
2457 dev_info(sfp->dev, "module removed\n"); in sfp_sm_mod_remove()
2461 static void sfp_sm_device(struct sfp *sfp, unsigned int event) in sfp_sm_device() argument
2463 switch (sfp->sm_dev_state) { in sfp_sm_device()
2466 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2471 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2473 sfp->sm_dev_state = SFP_DEV_UP; in sfp_sm_device()
2478 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2480 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2488 static void sfp_sm_module(struct sfp *sfp, unsigned int event) in sfp_sm_module() argument
2494 sfp_sm_mod_remove(sfp); in sfp_sm_module()
2495 sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); in sfp_sm_module()
2500 if (sfp->sm_dev_state < SFP_DEV_DOWN && in sfp_sm_module()
2501 sfp->sm_mod_state > SFP_MOD_WAITDEV) { in sfp_sm_module()
2502 if (sfp->module_power_mW > 1000 && in sfp_sm_module()
2503 sfp->sm_mod_state > SFP_MOD_HPOWER) in sfp_sm_module()
2504 sfp_sm_mod_hpower(sfp, false); in sfp_sm_module()
2505 sfp_sm_mod_next(sfp, SFP_MOD_WAITDEV, 0); in sfp_sm_module()
2509 switch (sfp->sm_mod_state) { in sfp_sm_module()
2512 sfp_sm_mod_next(sfp, SFP_MOD_PROBE, T_SERIAL); in sfp_sm_module()
2513 sfp->sm_mod_tries_init = R_PROBE_RETRY_INIT; in sfp_sm_module()
2514 sfp->sm_mod_tries = R_PROBE_RETRY_SLOW; in sfp_sm_module()
2523 err = sfp_sm_mod_probe(sfp, sfp->sm_mod_tries == 1); in sfp_sm_module()
2525 if (sfp->sm_mod_tries_init && in sfp_sm_module()
2526 --sfp->sm_mod_tries_init) { in sfp_sm_module()
2527 sfp_sm_set_timer(sfp, T_PROBE_RETRY_INIT); in sfp_sm_module()
2529 } else if (sfp->sm_mod_tries && --sfp->sm_mod_tries) { in sfp_sm_module()
2530 if (sfp->sm_mod_tries == R_PROBE_RETRY_SLOW - 1) in sfp_sm_module()
2531 dev_warn(sfp->dev, in sfp_sm_module()
2533 sfp_sm_set_timer(sfp, T_PROBE_RETRY_SLOW); in sfp_sm_module()
2538 sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_module()
2545 mod_delayed_work(system_wq, &sfp->poll, 1); in sfp_sm_module()
2547 err = sfp_hwmon_insert(sfp); in sfp_sm_module()
2549 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_sm_module()
2552 sfp_sm_mod_next(sfp, SFP_MOD_WAITDEV, 0); in sfp_sm_module()
2556 if (sfp->sm_dev_state < SFP_DEV_DOWN) in sfp_sm_module()
2560 err = sfp_module_insert(sfp->sfp_bus, &sfp->id, in sfp_sm_module()
2561 sfp->quirk); in sfp_sm_module()
2563 sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_module()
2568 if (sfp->module_power_mW <= 1000) in sfp_sm_module()
2571 sfp_sm_mod_next(sfp, SFP_MOD_HPOWER, 0); in sfp_sm_module()
2575 err = sfp_sm_mod_hpower(sfp, true); in sfp_sm_module()
2578 sfp_module_remove(sfp->sfp_bus); in sfp_sm_module()
2579 sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_module()
2581 sfp_sm_set_timer(sfp, T_PROBE_RETRY_INIT); in sfp_sm_module()
2586 sfp_sm_mod_next(sfp, SFP_MOD_WAITPWR, T_HPOWER_LEVEL); in sfp_sm_module()
2595 sfp_sm_mod_next(sfp, SFP_MOD_PRESENT, 0); in sfp_sm_module()
2604 static void sfp_sm_main(struct sfp *sfp, unsigned int event) in sfp_sm_main() argument
2610 if (sfp->sm_state != SFP_S_DOWN && in sfp_sm_main()
2611 (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2612 sfp->sm_dev_state != SFP_DEV_UP)) { in sfp_sm_main()
2613 if (sfp->sm_state == SFP_S_LINK_UP && in sfp_sm_main()
2614 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_main()
2615 sfp_sm_link_down(sfp); in sfp_sm_main()
2616 if (sfp->sm_state > SFP_S_INIT) in sfp_sm_main()
2617 sfp_module_stop(sfp->sfp_bus); in sfp_sm_main()
2618 if (sfp->mod_phy) in sfp_sm_main()
2619 sfp_sm_phy_detach(sfp); in sfp_sm_main()
2620 if (sfp->i2c_mii) in sfp_sm_main()
2621 sfp_i2c_mdiobus_destroy(sfp); in sfp_sm_main()
2622 sfp_module_tx_disable(sfp); in sfp_sm_main()
2623 sfp_soft_stop_poll(sfp); in sfp_sm_main()
2624 sfp_sm_next(sfp, SFP_S_DOWN, 0); in sfp_sm_main()
2629 switch (sfp->sm_state) { in sfp_sm_main()
2631 if (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2632 sfp->sm_dev_state != SFP_DEV_UP) in sfp_sm_main()
2639 if (sfp->have_a2) in sfp_sm_main()
2640 sfp_soft_start_poll(sfp); in sfp_sm_main()
2642 sfp_module_tx_enable(sfp); in sfp_sm_main()
2645 sfp->sm_fault_retries = N_FAULT_INIT; in sfp_sm_main()
2652 sfp_sm_next(sfp, SFP_S_WAIT, sfp->module_t_wait); in sfp_sm_main()
2659 if (sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2665 timeout = sfp->module_t_start_up; in sfp_sm_main()
2666 if (timeout > sfp->module_t_wait) in sfp_sm_main()
2667 timeout -= sfp->module_t_wait; in sfp_sm_main()
2671 sfp_sm_next(sfp, SFP_S_INIT, timeout); in sfp_sm_main()
2681 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2685 sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT, in sfp_sm_main()
2686 sfp->sm_fault_retries == N_FAULT_INIT); in sfp_sm_main()
2690 ret = sfp_sm_add_mdio_bus(sfp); in sfp_sm_main()
2692 sfp_sm_next(sfp, SFP_S_FAIL, 0); in sfp_sm_main()
2695 sfp->sm_phy_retries = R_PHY_RETRY; in sfp_sm_main()
2707 ret = sfp_sm_probe_for_phy(sfp); in sfp_sm_main()
2709 if (--sfp->sm_phy_retries) { in sfp_sm_main()
2710 sfp_sm_next(sfp, SFP_S_INIT_PHY, in sfp_sm_main()
2711 sfp->phy_t_retry); in sfp_sm_main()
2712 dev_dbg(sfp->dev, in sfp_sm_main()
2714 sfp->sm_phy_retries); in sfp_sm_main()
2717 dev_info(sfp->dev, "no PHY detected\n"); in sfp_sm_main()
2720 sfp_sm_next(sfp, SFP_S_FAIL, 0); in sfp_sm_main()
2723 if (sfp_module_start(sfp->sfp_bus)) { in sfp_sm_main()
2724 sfp_sm_next(sfp, SFP_S_FAIL, 0); in sfp_sm_main()
2727 sfp_sm_link_check_los(sfp); in sfp_sm_main()
2730 sfp->sm_fault_retries = N_FAULT; in sfp_sm_main()
2735 sfp_module_tx_fault_reset(sfp); in sfp_sm_main()
2736 sfp_sm_next(sfp, SFP_S_INIT, sfp->module_t_start_up); in sfp_sm_main()
2742 sfp_sm_fault(sfp, SFP_S_TX_FAULT, true); in sfp_sm_main()
2743 else if (sfp_los_event_inactive(sfp, event)) in sfp_sm_main()
2744 sfp_sm_link_up(sfp); in sfp_sm_main()
2749 sfp_sm_link_down(sfp); in sfp_sm_main()
2750 sfp_sm_fault(sfp, SFP_S_TX_FAULT, true); in sfp_sm_main()
2751 } else if (sfp_los_event_active(sfp, event)) { in sfp_sm_main()
2752 sfp_sm_link_down(sfp); in sfp_sm_main()
2753 sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0); in sfp_sm_main()
2759 sfp_module_tx_fault_reset(sfp); in sfp_sm_main()
2760 sfp_sm_next(sfp, SFP_S_REINIT, sfp->module_t_start_up); in sfp_sm_main()
2765 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2766 sfp_sm_fault(sfp, SFP_S_TX_FAULT, false); in sfp_sm_main()
2768 dev_info(sfp->dev, "module transmit fault recovered\n"); in sfp_sm_main()
2769 sfp_sm_link_check_los(sfp); in sfp_sm_main()
2778 static void __sfp_sm_event(struct sfp *sfp, unsigned int event) in __sfp_sm_event() argument
2780 dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", in __sfp_sm_event()
2781 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2782 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2783 sm_state_to_str(sfp->sm_state), in __sfp_sm_event()
2786 sfp_sm_device(sfp, event); in __sfp_sm_event()
2787 sfp_sm_module(sfp, event); in __sfp_sm_event()
2788 sfp_sm_main(sfp, event); in __sfp_sm_event()
2790 dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", in __sfp_sm_event()
2791 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2792 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2793 sm_state_to_str(sfp->sm_state)); in __sfp_sm_event()
2796 static void sfp_sm_event(struct sfp *sfp, unsigned int event) in sfp_sm_event() argument
2798 mutex_lock(&sfp->sm_mutex); in sfp_sm_event()
2799 __sfp_sm_event(sfp, event); in sfp_sm_event()
2800 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
2803 static void sfp_attach(struct sfp *sfp) in sfp_attach() argument
2805 sfp_sm_event(sfp, SFP_E_DEV_ATTACH); in sfp_attach()
2808 static void sfp_detach(struct sfp *sfp) in sfp_detach() argument
2810 sfp_sm_event(sfp, SFP_E_DEV_DETACH); in sfp_detach()
2813 static void sfp_start(struct sfp *sfp) in sfp_start() argument
2815 sfp_sm_event(sfp, SFP_E_DEV_UP); in sfp_start()
2818 static void sfp_stop(struct sfp *sfp) in sfp_stop() argument
2820 sfp_sm_event(sfp, SFP_E_DEV_DOWN); in sfp_stop()
2823 static void sfp_set_signal_rate(struct sfp *sfp, unsigned int rate_kbd) in sfp_set_signal_rate() argument
2827 sfp->rate_kbd = rate_kbd; in sfp_set_signal_rate()
2829 if (rate_kbd > sfp->rs_threshold_kbd) in sfp_set_signal_rate()
2830 set = sfp->rs_state_mask; in sfp_set_signal_rate()
2834 sfp_mod_state(sfp, SFP_F_RS0 | SFP_F_RS1, set); in sfp_set_signal_rate()
2837 static int sfp_module_info(struct sfp *sfp, struct ethtool_modinfo *modinfo) in sfp_module_info() argument
2841 if (sfp->id.ext.sff8472_compliance && in sfp_module_info()
2842 !(sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE)) { in sfp_module_info()
2852 static int sfp_module_eeprom(struct sfp *sfp, struct ethtool_eeprom *ee, in sfp_module_eeprom() argument
2858 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom()
2870 ret = sfp_read(sfp, false, first, data, len); in sfp_module_eeprom()
2882 ret = sfp_read(sfp, true, first, data, len); in sfp_module_eeprom()
2889 static int sfp_module_eeprom_by_page(struct sfp *sfp, in sfp_module_eeprom_by_page() argument
2893 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom_by_page()
2912 return sfp_read(sfp, page->i2c_address == 0x51, page->offset, in sfp_module_eeprom_by_page()
2929 struct sfp *sfp = container_of(work, struct sfp, timeout.work); in sfp_timeout() local
2932 sfp_sm_event(sfp, SFP_E_TIMEOUT); in sfp_timeout()
2936 static void sfp_check_state(struct sfp *sfp) in sfp_check_state() argument
2941 mutex_lock(&sfp->st_mutex); in sfp_check_state()
2942 state = sfp_get_state(sfp); in sfp_check_state()
2943 changed = state ^ sfp->state; in sfp_check_state()
2948 dev_dbg(sfp->dev, "%s %u -> %u\n", gpio_names[i], in sfp_check_state()
2949 !!(sfp->state & BIT(i)), !!(state & BIT(i))); in sfp_check_state()
2951 state |= sfp->state & SFP_F_OUTPUTS; in sfp_check_state()
2952 sfp->state = state; in sfp_check_state()
2953 mutex_unlock(&sfp->st_mutex); in sfp_check_state()
2955 mutex_lock(&sfp->sm_mutex); in sfp_check_state()
2957 __sfp_sm_event(sfp, state & SFP_F_PRESENT ? in sfp_check_state()
2961 __sfp_sm_event(sfp, state & SFP_F_TX_FAULT ? in sfp_check_state()
2965 __sfp_sm_event(sfp, state & SFP_F_LOS ? in sfp_check_state()
2967 mutex_unlock(&sfp->sm_mutex); in sfp_check_state()
2973 struct sfp *sfp = data; in sfp_irq() local
2975 sfp_check_state(sfp); in sfp_irq()
2982 struct sfp *sfp = container_of(work, struct sfp, poll.work); in sfp_poll() local
2984 sfp_check_state(sfp); in sfp_poll()
2988 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) || in sfp_poll()
2989 sfp->need_poll) in sfp_poll()
2990 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_poll()
2993 static struct sfp *sfp_alloc(struct device *dev) in sfp_alloc()
2995 struct sfp *sfp; in sfp_alloc() local
2997 sfp = kzalloc(sizeof(*sfp), GFP_KERNEL); in sfp_alloc()
2998 if (!sfp) in sfp_alloc()
3001 sfp->dev = dev; in sfp_alloc()
3003 mutex_init(&sfp->sm_mutex); in sfp_alloc()
3004 mutex_init(&sfp->st_mutex); in sfp_alloc()
3005 INIT_DELAYED_WORK(&sfp->poll, sfp_poll); in sfp_alloc()
3006 INIT_DELAYED_WORK(&sfp->timeout, sfp_timeout); in sfp_alloc()
3008 sfp_hwmon_init(sfp); in sfp_alloc()
3010 return sfp; in sfp_alloc()
3015 struct sfp *sfp = data; in sfp_cleanup() local
3017 sfp_hwmon_exit(sfp); in sfp_cleanup()
3019 cancel_delayed_work_sync(&sfp->poll); in sfp_cleanup()
3020 cancel_delayed_work_sync(&sfp->timeout); in sfp_cleanup()
3021 if (sfp->i2c_mii) { in sfp_cleanup()
3022 mdiobus_unregister(sfp->i2c_mii); in sfp_cleanup()
3023 mdiobus_free(sfp->i2c_mii); in sfp_cleanup()
3025 if (sfp->i2c) in sfp_cleanup()
3026 i2c_put_adapter(sfp->i2c); in sfp_cleanup()
3027 kfree(sfp); in sfp_cleanup()
3030 static int sfp_i2c_get(struct sfp *sfp) in sfp_i2c_get() argument
3036 h = fwnode_find_reference(dev_fwnode(sfp->dev), "i2c-bus", 0); in sfp_i2c_get()
3038 dev_err(sfp->dev, "missing 'i2c-bus' property\n"); in sfp_i2c_get()
3048 err = sfp_i2c_configure(sfp, i2c); in sfp_i2c_get()
3060 struct sfp *sfp; in sfp_probe() local
3063 sfp = sfp_alloc(&pdev->dev); in sfp_probe()
3064 if (IS_ERR(sfp)) in sfp_probe()
3065 return PTR_ERR(sfp); in sfp_probe()
3067 platform_set_drvdata(pdev, sfp); in sfp_probe()
3069 err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); in sfp_probe()
3073 sff = device_get_match_data(sfp->dev); in sfp_probe()
3077 sfp->type = sff; in sfp_probe()
3079 err = sfp_i2c_get(sfp); in sfp_probe()
3085 sfp->gpio[i] = devm_gpiod_get_optional(sfp->dev, in sfp_probe()
3087 if (IS_ERR(sfp->gpio[i])) in sfp_probe()
3088 return PTR_ERR(sfp->gpio[i]); in sfp_probe()
3091 sfp->state_hw_mask = SFP_F_PRESENT; in sfp_probe()
3092 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_probe()
3094 sfp->get_state = sfp_gpio_get_state; in sfp_probe()
3095 sfp->set_state = sfp_gpio_set_state; in sfp_probe()
3098 if (!(sfp->gpio[GPIO_MODDEF0])) in sfp_probe()
3099 sfp->get_state = sff_gpio_get_state; in sfp_probe()
3102 &sfp->max_power_mW); in sfp_probe()
3103 if (sfp->max_power_mW < 1000) { in sfp_probe()
3104 if (sfp->max_power_mW) in sfp_probe()
3105 dev_warn(sfp->dev, in sfp_probe()
3107 sfp->max_power_mW = 1000; in sfp_probe()
3110 dev_info(sfp->dev, "Host maximum power %u.%uW\n", in sfp_probe()
3111 sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); in sfp_probe()
3116 sfp->state = sfp_get_state(sfp) | SFP_F_TX_DISABLE; in sfp_probe()
3118 if (sfp->gpio[GPIO_RS0] && in sfp_probe()
3119 gpiod_get_value_cansleep(sfp->gpio[GPIO_RS0])) in sfp_probe()
3120 sfp->state |= SFP_F_RS0; in sfp_probe()
3121 sfp_set_state(sfp, sfp->state); in sfp_probe()
3122 sfp_module_tx_disable(sfp); in sfp_probe()
3123 if (sfp->state & SFP_F_PRESENT) { in sfp_probe()
3125 sfp_sm_event(sfp, SFP_E_INSERT); in sfp_probe()
3130 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_probe()
3133 sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); in sfp_probe()
3134 if (sfp->gpio_irq[i] < 0) { in sfp_probe()
3135 sfp->gpio_irq[i] = 0; in sfp_probe()
3136 sfp->need_poll = true; in sfp_probe()
3140 sfp_irq_name = devm_kasprintf(sfp->dev, GFP_KERNEL, in sfp_probe()
3141 "%s-%s", dev_name(sfp->dev), in sfp_probe()
3147 err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i], in sfp_probe()
3152 sfp_irq_name, sfp); in sfp_probe()
3154 sfp->gpio_irq[i] = 0; in sfp_probe()
3155 sfp->need_poll = true; in sfp_probe()
3159 if (sfp->need_poll) in sfp_probe()
3160 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_probe()
3167 if (!sfp->gpio[GPIO_TX_DISABLE]) in sfp_probe()
3168 dev_warn(sfp->dev, in sfp_probe()
3169 "No tx_disable pin: SFP modules will always be emitting.\n"); in sfp_probe()
3171 sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); in sfp_probe()
3172 if (!sfp->sfp_bus) in sfp_probe()
3175 if (sfp->i2c_max_block_size < 2) in sfp_probe()
3176 dev_warn(sfp->dev, in sfp_probe()
3178 "This SFP cage is accessed via an SMBus only capable of single byte\n" in sfp_probe()
3184 sfp_debugfs_init(sfp); in sfp_probe()
3191 struct sfp *sfp = platform_get_drvdata(pdev); in sfp_remove() local
3193 sfp_debugfs_exit(sfp); in sfp_remove()
3194 sfp_unregister_socket(sfp->sfp_bus); in sfp_remove()
3197 sfp_sm_event(sfp, SFP_E_REMOVE); in sfp_remove()
3203 struct sfp *sfp = platform_get_drvdata(pdev); in sfp_shutdown() local
3207 if (!sfp->gpio_irq[i]) in sfp_shutdown()
3210 devm_free_irq(sfp->dev, sfp->gpio_irq[i], sfp); in sfp_shutdown()
3213 cancel_delayed_work_sync(&sfp->poll); in sfp_shutdown()
3214 cancel_delayed_work_sync(&sfp->timeout); in sfp_shutdown()
3222 .name = "sfp",
3241 MODULE_ALIAS("platform:sfp");
3244 MODULE_DESCRIPTION("SFP cage support");