Lines Matching refs:sfp
229 struct sfp { struct
240 unsigned int (*get_state)(struct sfp *); argument
241 void (*set_state)(struct sfp *, unsigned int); argument
242 int (*read)(struct sfp *, bool, u8, void *, size_t); argument
243 int (*write)(struct sfp *, bool, u8, void *, size_t); argument
343 static void sfp_fixup_long_startup(struct sfp *sfp) in sfp_fixup_long_startup() argument
345 sfp->module_t_start_up = T_START_UP_BAD_GPON; in sfp_fixup_long_startup()
348 static void sfp_fixup_ignore_tx_fault(struct sfp *sfp) in sfp_fixup_ignore_tx_fault() argument
350 sfp->tx_fault_ignore = true; in sfp_fixup_ignore_tx_fault()
354 static void sfp_fixup_10gbaset_30m(struct sfp *sfp) in sfp_fixup_10gbaset_30m() argument
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()
360 static void sfp_fixup_rollball_proto(struct sfp *sfp, unsigned int secs) in sfp_fixup_rollball_proto() argument
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()
366 static void sfp_fixup_fs_10gt(struct sfp *sfp) in sfp_fixup_fs_10gt() argument
368 sfp_fixup_10gbaset_30m(sfp); in sfp_fixup_fs_10gt()
371 sfp_fixup_rollball_proto(sfp, 4); in sfp_fixup_fs_10gt()
374 static void sfp_fixup_halny_gsfp(struct sfp *sfp) in sfp_fixup_halny_gsfp() argument
380 sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS); in sfp_fixup_halny_gsfp()
383 static void sfp_fixup_rollball(struct sfp *sfp) in sfp_fixup_rollball() argument
386 sfp_fixup_rollball_proto(sfp, 25); in sfp_fixup_rollball()
389 static void sfp_fixup_rollball_cc(struct sfp *sfp) in sfp_fixup_rollball_cc() argument
391 sfp_fixup_rollball(sfp); in sfp_fixup_rollball_cc()
396 sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SFI; in sfp_fixup_rollball_cc()
538 static unsigned int sfp_gpio_get_state(struct sfp *sfp) in sfp_gpio_get_state() argument
543 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_gpio_get_state()
546 v = gpiod_get_value_cansleep(sfp->gpio[i]); in sfp_gpio_get_state()
554 static unsigned int sff_gpio_get_state(struct sfp *sfp) in sff_gpio_get_state() argument
556 return sfp_gpio_get_state(sfp) | SFP_F_PRESENT; in sff_gpio_get_state()
559 static void sfp_gpio_set_state(struct sfp *sfp, unsigned int state) in sfp_gpio_set_state() argument
565 drive = sfp->state_hw_drive; in sfp_gpio_set_state()
570 if (sfp->gpio[GPIO_TX_DISABLE]) { in sfp_gpio_set_state()
572 gpiod_direction_output(sfp->gpio[GPIO_TX_DISABLE], in sfp_gpio_set_state()
575 gpiod_direction_input(sfp->gpio[GPIO_TX_DISABLE]); in sfp_gpio_set_state()
578 if (sfp->gpio[GPIO_RS0]) { in sfp_gpio_set_state()
580 gpiod_direction_output(sfp->gpio[GPIO_RS0], in sfp_gpio_set_state()
583 gpiod_direction_input(sfp->gpio[GPIO_RS0]); in sfp_gpio_set_state()
586 if (sfp->gpio[GPIO_RS1]) { in sfp_gpio_set_state()
588 gpiod_direction_output(sfp->gpio[GPIO_RS1], in sfp_gpio_set_state()
591 gpiod_direction_input(sfp->gpio[GPIO_RS1]); in sfp_gpio_set_state()
595 static int sfp_i2c_read(struct sfp *sfp, bool a2, u8 dev_addr, void *buf, in sfp_i2c_read() argument
600 size_t block_size = sfp->i2c_block_size; in sfp_i2c_read()
620 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_read()
635 static int sfp_i2c_write(struct sfp *sfp, bool a2, u8 dev_addr, void *buf, in sfp_i2c_write() argument
652 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_write()
662 static int sfp_i2c_configure(struct sfp *sfp, struct i2c_adapter *i2c) in sfp_i2c_configure() argument
667 sfp->i2c = i2c; in sfp_i2c_configure()
668 sfp->read = sfp_i2c_read; in sfp_i2c_configure()
669 sfp->write = sfp_i2c_write; in sfp_i2c_configure()
674 static int sfp_i2c_mdiobus_create(struct sfp *sfp) in sfp_i2c_mdiobus_create() argument
679 i2c_mii = mdio_i2c_alloc(sfp->dev, sfp->i2c, sfp->mdio_protocol); in sfp_i2c_mdiobus_create()
692 sfp->i2c_mii = i2c_mii; in sfp_i2c_mdiobus_create()
697 static void sfp_i2c_mdiobus_destroy(struct sfp *sfp) in sfp_i2c_mdiobus_destroy() argument
699 mdiobus_unregister(sfp->i2c_mii); in sfp_i2c_mdiobus_destroy()
700 sfp->i2c_mii = NULL; in sfp_i2c_mdiobus_destroy()
704 static int sfp_read(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) in sfp_read() argument
706 return sfp->read(sfp, a2, addr, buf, len); in sfp_read()
709 static int sfp_write(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) in sfp_write() argument
711 return sfp->write(sfp, a2, addr, buf, len); in sfp_write()
714 static int sfp_modify_u8(struct sfp *sfp, bool a2, u8 addr, u8 mask, u8 val) in sfp_modify_u8() argument
719 ret = sfp_read(sfp, a2, addr, &old, sizeof(old)); in sfp_modify_u8()
727 return sfp_write(sfp, a2, addr, &v, sizeof(v)); in sfp_modify_u8()
730 static unsigned int sfp_soft_get_state(struct sfp *sfp) in sfp_soft_get_state() argument
736 ret = sfp_read(sfp, true, SFP_STATUS, &status, sizeof(status)); in sfp_soft_get_state()
743 dev_err_ratelimited(sfp->dev, in sfp_soft_get_state()
747 state = sfp->state; in sfp_soft_get_state()
750 return state & sfp->state_soft_mask; in sfp_soft_get_state()
753 static void sfp_soft_set_state(struct sfp *sfp, unsigned int state, in sfp_soft_set_state() argument
770 sfp_modify_u8(sfp, true, SFP_STATUS, mask, val); in sfp_soft_set_state()
779 sfp_modify_u8(sfp, true, SFP_EXT_STATUS, mask, val); in sfp_soft_set_state()
782 static void sfp_soft_start_poll(struct sfp *sfp) in sfp_soft_start_poll() argument
784 const struct sfp_eeprom_id *id = &sfp->id; in sfp_soft_start_poll()
794 mask |= sfp->rs_state_mask; in sfp_soft_start_poll()
796 mutex_lock(&sfp->st_mutex); in sfp_soft_start_poll()
798 sfp->state_soft_mask = ~sfp->state_hw_mask & mask; in sfp_soft_start_poll()
800 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) && in sfp_soft_start_poll()
801 !sfp->need_poll) in sfp_soft_start_poll()
802 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_soft_start_poll()
803 mutex_unlock(&sfp->st_mutex); in sfp_soft_start_poll()
806 static void sfp_soft_stop_poll(struct sfp *sfp) in sfp_soft_stop_poll() argument
808 mutex_lock(&sfp->st_mutex); in sfp_soft_stop_poll()
809 sfp->state_soft_mask = 0; in sfp_soft_stop_poll()
810 mutex_unlock(&sfp->st_mutex); in sfp_soft_stop_poll()
816 static unsigned int sfp_get_state(struct sfp *sfp) in sfp_get_state() argument
818 unsigned int soft = sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT); in sfp_get_state()
821 state = sfp->get_state(sfp) & sfp->state_hw_mask; in sfp_get_state()
823 state |= sfp_soft_get_state(sfp); in sfp_get_state()
831 static void sfp_set_state(struct sfp *sfp, unsigned int state) in sfp_set_state() argument
835 sfp->set_state(sfp, state); in sfp_set_state()
837 soft = sfp->state_soft_mask & SFP_F_OUTPUTS; in sfp_set_state()
839 sfp_soft_set_state(sfp, state, soft); in sfp_set_state()
842 static void sfp_mod_state(struct sfp *sfp, unsigned int mask, unsigned int set) in sfp_mod_state() argument
844 mutex_lock(&sfp->st_mutex); in sfp_mod_state()
845 sfp->state = (sfp->state & ~mask) | set; in sfp_mod_state()
846 sfp_set_state(sfp, sfp->state); in sfp_mod_state()
847 mutex_unlock(&sfp->st_mutex); in sfp_mod_state()
866 const struct sfp *sfp = data; in sfp_hwmon_is_visible() local
879 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
898 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
917 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
933 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && in sfp_hwmon_is_visible()
945 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
959 static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_sensor() argument
964 err = sfp_read(sfp, true, reg, &val, sizeof(val)); in sfp_hwmon_read_sensor()
978 static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset, in sfp_hwmon_calibrate() argument
981 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) in sfp_hwmon_calibrate()
985 static void sfp_hwmon_calibrate_temp(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_temp() argument
987 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), in sfp_hwmon_calibrate_temp()
988 be16_to_cpu(sfp->diag.cal_t_offset), value); in sfp_hwmon_calibrate_temp()
996 static void sfp_hwmon_calibrate_vcc(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_vcc() argument
998 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), in sfp_hwmon_calibrate_vcc()
999 be16_to_cpu(sfp->diag.cal_v_offset), value); in sfp_hwmon_calibrate_vcc()
1004 static void sfp_hwmon_calibrate_bias(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_bias() argument
1006 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), in sfp_hwmon_calibrate_bias()
1007 be16_to_cpu(sfp->diag.cal_txi_offset), value); in sfp_hwmon_calibrate_bias()
1012 static void sfp_hwmon_calibrate_tx_power(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_tx_power() argument
1014 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), in sfp_hwmon_calibrate_tx_power()
1015 be16_to_cpu(sfp->diag.cal_txpwr_offset), value); in sfp_hwmon_calibrate_tx_power()
1020 static int sfp_hwmon_read_temp(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_temp() argument
1024 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_temp()
1028 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_read_temp()
1033 static int sfp_hwmon_read_vcc(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_vcc() argument
1037 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_vcc()
1041 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_read_vcc()
1046 static int sfp_hwmon_read_bias(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_bias() argument
1050 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_bias()
1054 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_read_bias()
1059 static int sfp_hwmon_read_tx_power(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_tx_power() argument
1063 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_tx_power()
1067 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_read_tx_power()
1072 static int sfp_hwmon_read_rx_power(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_rx_power() argument
1076 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_rx_power()
1085 static int sfp_hwmon_temp(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_temp() argument
1092 return sfp_hwmon_read_temp(sfp, SFP_TEMP, value); in sfp_hwmon_temp()
1095 *value = be16_to_cpu(sfp->diag.temp_low_alarm); in sfp_hwmon_temp()
1096 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1100 *value = be16_to_cpu(sfp->diag.temp_low_warn); in sfp_hwmon_temp()
1101 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1104 *value = be16_to_cpu(sfp->diag.temp_high_warn); in sfp_hwmon_temp()
1105 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1109 *value = be16_to_cpu(sfp->diag.temp_high_alarm); in sfp_hwmon_temp()
1110 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
1114 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_temp()
1122 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_temp()
1130 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_temp()
1138 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_temp()
1151 static int sfp_hwmon_vcc(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_vcc() argument
1158 return sfp_hwmon_read_vcc(sfp, SFP_VCC, value); in sfp_hwmon_vcc()
1161 *value = be16_to_cpu(sfp->diag.volt_low_alarm); in sfp_hwmon_vcc()
1162 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1166 *value = be16_to_cpu(sfp->diag.volt_low_warn); in sfp_hwmon_vcc()
1167 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1171 *value = be16_to_cpu(sfp->diag.volt_high_warn); in sfp_hwmon_vcc()
1172 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1176 *value = be16_to_cpu(sfp->diag.volt_high_alarm); in sfp_hwmon_vcc()
1177 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
1181 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_vcc()
1189 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_vcc()
1197 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_vcc()
1205 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_vcc()
1218 static int sfp_hwmon_bias(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_bias() argument
1225 return sfp_hwmon_read_bias(sfp, SFP_TX_BIAS, value); in sfp_hwmon_bias()
1228 *value = be16_to_cpu(sfp->diag.bias_low_alarm); in sfp_hwmon_bias()
1229 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1233 *value = be16_to_cpu(sfp->diag.bias_low_warn); in sfp_hwmon_bias()
1234 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1238 *value = be16_to_cpu(sfp->diag.bias_high_warn); in sfp_hwmon_bias()
1239 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1243 *value = be16_to_cpu(sfp->diag.bias_high_alarm); in sfp_hwmon_bias()
1244 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
1248 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_bias()
1256 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_bias()
1264 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_bias()
1272 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_bias()
1285 static int sfp_hwmon_tx_power(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_tx_power() argument
1292 return sfp_hwmon_read_tx_power(sfp, SFP_TX_POWER, value); in sfp_hwmon_tx_power()
1295 *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); in sfp_hwmon_tx_power()
1296 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1300 *value = be16_to_cpu(sfp->diag.txpwr_low_warn); in sfp_hwmon_tx_power()
1301 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1305 *value = be16_to_cpu(sfp->diag.txpwr_high_warn); in sfp_hwmon_tx_power()
1306 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1310 *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); in sfp_hwmon_tx_power()
1311 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
1315 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1323 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1331 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1339 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_tx_power()
1352 static int sfp_hwmon_rx_power(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_rx_power() argument
1359 return sfp_hwmon_read_rx_power(sfp, SFP_RX_POWER, value); in sfp_hwmon_rx_power()
1362 *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); in sfp_hwmon_rx_power()
1367 *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); in sfp_hwmon_rx_power()
1372 *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); in sfp_hwmon_rx_power()
1377 *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); in sfp_hwmon_rx_power()
1382 err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1390 err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1398 err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1406 err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); in sfp_hwmon_rx_power()
1422 struct sfp *sfp = dev_get_drvdata(dev); in sfp_hwmon_read() local
1426 return sfp_hwmon_temp(sfp, attr, value); in sfp_hwmon_read()
1428 return sfp_hwmon_vcc(sfp, attr, value); in sfp_hwmon_read()
1430 return sfp_hwmon_bias(sfp, attr, value); in sfp_hwmon_read()
1434 return sfp_hwmon_tx_power(sfp, attr, value); in sfp_hwmon_read()
1436 return sfp_hwmon_rx_power(sfp, attr, value); in sfp_hwmon_read()
1553 struct sfp *sfp = container_of(work, struct sfp, hwmon_probe.work); in sfp_hwmon_probe() local
1562 if (sfp->i2c_block_size < 2) { in sfp_hwmon_probe()
1563 dev_info(sfp->dev, in sfp_hwmon_probe()
1565 dev_info(sfp->dev, in sfp_hwmon_probe()
1570 err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); in sfp_hwmon_probe()
1572 if (sfp->hwmon_tries--) { in sfp_hwmon_probe()
1573 mod_delayed_work(system_wq, &sfp->hwmon_probe, in sfp_hwmon_probe()
1576 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_hwmon_probe()
1582 sfp->hwmon_name = hwmon_sanitize_name(dev_name(sfp->dev)); in sfp_hwmon_probe()
1583 if (IS_ERR(sfp->hwmon_name)) { in sfp_hwmon_probe()
1584 dev_err(sfp->dev, "out of memory for hwmon name\n"); in sfp_hwmon_probe()
1588 sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, in sfp_hwmon_probe()
1589 sfp->hwmon_name, sfp, in sfp_hwmon_probe()
1592 if (IS_ERR(sfp->hwmon_dev)) in sfp_hwmon_probe()
1593 dev_err(sfp->dev, "failed to register hwmon device: %ld\n", in sfp_hwmon_probe()
1594 PTR_ERR(sfp->hwmon_dev)); in sfp_hwmon_probe()
1597 static int sfp_hwmon_insert(struct sfp *sfp) in sfp_hwmon_insert() argument
1599 if (sfp->have_a2 && sfp->id.ext.diagmon & SFP_DIAGMON_DDM) { in sfp_hwmon_insert()
1600 mod_delayed_work(system_wq, &sfp->hwmon_probe, 1); in sfp_hwmon_insert()
1601 sfp->hwmon_tries = R_PROBE_RETRY_SLOW; in sfp_hwmon_insert()
1607 static void sfp_hwmon_remove(struct sfp *sfp) in sfp_hwmon_remove() argument
1609 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_remove()
1610 if (!IS_ERR_OR_NULL(sfp->hwmon_dev)) { in sfp_hwmon_remove()
1611 hwmon_device_unregister(sfp->hwmon_dev); in sfp_hwmon_remove()
1612 sfp->hwmon_dev = NULL; in sfp_hwmon_remove()
1613 kfree(sfp->hwmon_name); in sfp_hwmon_remove()
1617 static int sfp_hwmon_init(struct sfp *sfp) in sfp_hwmon_init() argument
1619 INIT_DELAYED_WORK(&sfp->hwmon_probe, sfp_hwmon_probe); in sfp_hwmon_init()
1624 static void sfp_hwmon_exit(struct sfp *sfp) in sfp_hwmon_exit() argument
1626 cancel_delayed_work_sync(&sfp->hwmon_probe); in sfp_hwmon_exit()
1629 static int sfp_hwmon_insert(struct sfp *sfp) in sfp_hwmon_insert() argument
1634 static void sfp_hwmon_remove(struct sfp *sfp) in sfp_hwmon_remove() argument
1638 static int sfp_hwmon_init(struct sfp *sfp) in sfp_hwmon_init() argument
1643 static void sfp_hwmon_exit(struct sfp *sfp) in sfp_hwmon_exit() argument
1649 static void sfp_module_tx_disable(struct sfp *sfp) in sfp_module_tx_disable() argument
1651 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_disable()
1652 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 1); in sfp_module_tx_disable()
1653 sfp_mod_state(sfp, SFP_F_TX_DISABLE, SFP_F_TX_DISABLE); in sfp_module_tx_disable()
1656 static void sfp_module_tx_enable(struct sfp *sfp) in sfp_module_tx_enable() argument
1658 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_enable()
1659 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 0); in sfp_module_tx_enable()
1660 sfp_mod_state(sfp, SFP_F_TX_DISABLE, 0); in sfp_module_tx_enable()
1666 struct sfp *sfp = s->private; in sfp_debug_state_show() local
1669 mod_state_to_str(sfp->sm_mod_state)); in sfp_debug_state_show()
1671 R_PROBE_RETRY_INIT - sfp->sm_mod_tries_init, in sfp_debug_state_show()
1672 R_PROBE_RETRY_SLOW - sfp->sm_mod_tries); in sfp_debug_state_show()
1674 dev_state_to_str(sfp->sm_dev_state)); in sfp_debug_state_show()
1676 sm_state_to_str(sfp->sm_state)); in sfp_debug_state_show()
1678 sfp->sm_fault_retries); in sfp_debug_state_show()
1680 sfp->sm_phy_retries); in sfp_debug_state_show()
1681 seq_printf(s, "Signalling rate: %u kBd\n", sfp->rate_kbd); in sfp_debug_state_show()
1683 sfp->rs_threshold_kbd); in sfp_debug_state_show()
1684 seq_printf(s, "moddef0: %d\n", !!(sfp->state & SFP_F_PRESENT)); in sfp_debug_state_show()
1685 seq_printf(s, "rx_los: %d\n", !!(sfp->state & SFP_F_LOS)); in sfp_debug_state_show()
1686 seq_printf(s, "tx_fault: %d\n", !!(sfp->state & SFP_F_TX_FAULT)); in sfp_debug_state_show()
1687 seq_printf(s, "tx_disable: %d\n", !!(sfp->state & SFP_F_TX_DISABLE)); in sfp_debug_state_show()
1688 seq_printf(s, "rs0: %d\n", !!(sfp->state & SFP_F_RS0)); in sfp_debug_state_show()
1689 seq_printf(s, "rs1: %d\n", !!(sfp->state & SFP_F_RS1)); in sfp_debug_state_show()
1694 static void sfp_debugfs_init(struct sfp *sfp) in sfp_debugfs_init() argument
1696 sfp->debugfs_dir = debugfs_create_dir(dev_name(sfp->dev), NULL); in sfp_debugfs_init()
1698 debugfs_create_file("state", 0600, sfp->debugfs_dir, sfp, in sfp_debugfs_init()
1702 static void sfp_debugfs_exit(struct sfp *sfp) in sfp_debugfs_exit() argument
1704 debugfs_remove_recursive(sfp->debugfs_dir); in sfp_debugfs_exit()
1707 static void sfp_debugfs_init(struct sfp *sfp) in sfp_debugfs_init() argument
1711 static void sfp_debugfs_exit(struct sfp *sfp) in sfp_debugfs_exit() argument
1716 static void sfp_module_tx_fault_reset(struct sfp *sfp) in sfp_module_tx_fault_reset() argument
1720 mutex_lock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1721 state = sfp->state; in sfp_module_tx_fault_reset()
1723 sfp_set_state(sfp, state | SFP_F_TX_DISABLE); in sfp_module_tx_fault_reset()
1727 sfp_set_state(sfp, state); in sfp_module_tx_fault_reset()
1729 mutex_unlock(&sfp->st_mutex); in sfp_module_tx_fault_reset()
1733 static void sfp_sm_set_timer(struct sfp *sfp, unsigned int timeout) in sfp_sm_set_timer() argument
1736 mod_delayed_work(system_power_efficient_wq, &sfp->timeout, in sfp_sm_set_timer()
1739 cancel_delayed_work(&sfp->timeout); in sfp_sm_set_timer()
1742 static void sfp_sm_next(struct sfp *sfp, unsigned int state, in sfp_sm_next() argument
1745 sfp->sm_state = state; in sfp_sm_next()
1746 sfp_sm_set_timer(sfp, timeout); in sfp_sm_next()
1749 static void sfp_sm_mod_next(struct sfp *sfp, unsigned int state, in sfp_sm_mod_next() argument
1752 sfp->sm_mod_state = state; in sfp_sm_mod_next()
1753 sfp_sm_set_timer(sfp, timeout); in sfp_sm_mod_next()
1756 static void sfp_sm_phy_detach(struct sfp *sfp) in sfp_sm_phy_detach() argument
1758 sfp_remove_phy(sfp->sfp_bus); in sfp_sm_phy_detach()
1759 phy_device_remove(sfp->mod_phy); in sfp_sm_phy_detach()
1760 phy_device_free(sfp->mod_phy); in sfp_sm_phy_detach()
1761 sfp->mod_phy = NULL; in sfp_sm_phy_detach()
1764 static int sfp_sm_probe_phy(struct sfp *sfp, int addr, bool is_c45) in sfp_sm_probe_phy() argument
1769 phy = get_phy_device(sfp->i2c_mii, addr, is_c45); in sfp_sm_probe_phy()
1773 dev_err(sfp->dev, "mdiobus scan returned %pe\n", phy); in sfp_sm_probe_phy()
1783 dev_err(sfp->dev, "phy_device_register failed: %pe\n", in sfp_sm_probe_phy()
1788 err = sfp_add_phy(sfp->sfp_bus, phy); in sfp_sm_probe_phy()
1792 dev_err(sfp->dev, "sfp_add_phy failed: %pe\n", ERR_PTR(err)); in sfp_sm_probe_phy()
1796 sfp->mod_phy = phy; in sfp_sm_probe_phy()
1801 static void sfp_sm_link_up(struct sfp *sfp) in sfp_sm_link_up() argument
1803 sfp_link_up(sfp->sfp_bus); in sfp_sm_link_up()
1804 sfp_sm_next(sfp, SFP_S_LINK_UP, 0); in sfp_sm_link_up()
1807 static void sfp_sm_link_down(struct sfp *sfp) in sfp_sm_link_down() argument
1809 sfp_link_down(sfp->sfp_bus); in sfp_sm_link_down()
1812 static void sfp_sm_link_check_los(struct sfp *sfp) in sfp_sm_link_check_los() argument
1816 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_sm_link_check_los()
1824 los = !(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1826 los = !!(sfp->state & SFP_F_LOS); in sfp_sm_link_check_los()
1829 sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0); in sfp_sm_link_check_los()
1831 sfp_sm_link_up(sfp); in sfp_sm_link_check_los()
1834 static bool sfp_los_event_active(struct sfp *sfp, unsigned int event) in sfp_los_event_active() argument
1838 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_active()
1844 static bool sfp_los_event_inactive(struct sfp *sfp, unsigned int event) in sfp_los_event_inactive() argument
1848 __be16 los_options = sfp->id.ext.options & (los_inverted | los_normal); in sfp_los_event_inactive()
1854 static void sfp_sm_fault(struct sfp *sfp, unsigned int next_state, bool warn) in sfp_sm_fault() argument
1856 if (sfp->sm_fault_retries && !--sfp->sm_fault_retries) { in sfp_sm_fault()
1857 dev_err(sfp->dev, in sfp_sm_fault()
1859 sfp_sm_next(sfp, SFP_S_TX_DISABLE, 0); in sfp_sm_fault()
1862 dev_err(sfp->dev, "module transmit fault indicated\n"); in sfp_sm_fault()
1864 sfp_sm_next(sfp, next_state, T_FAULT_RECOVER); in sfp_sm_fault()
1868 static int sfp_sm_add_mdio_bus(struct sfp *sfp) in sfp_sm_add_mdio_bus() argument
1870 if (sfp->mdio_protocol != MDIO_I2C_NONE) in sfp_sm_add_mdio_bus()
1871 return sfp_i2c_mdiobus_create(sfp); in sfp_sm_add_mdio_bus()
1887 static int sfp_sm_probe_for_phy(struct sfp *sfp) in sfp_sm_probe_for_phy() argument
1891 switch (sfp->mdio_protocol) { in sfp_sm_probe_for_phy()
1896 err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR, false); in sfp_sm_probe_for_phy()
1900 err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR, true); in sfp_sm_probe_for_phy()
1904 err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR_ROLLBALL, true); in sfp_sm_probe_for_phy()
1911 static int sfp_module_parse_power(struct sfp *sfp) in sfp_module_parse_power() argument
1916 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_power()
1917 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL)) in sfp_module_parse_power()
1920 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV11_4 && in sfp_module_parse_power()
1921 sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL)) in sfp_module_parse_power()
1926 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
1930 supports_a2 = sfp->id.ext.sff8472_compliance != in sfp_module_parse_power()
1932 sfp->id.ext.diagmon & SFP_DIAGMON_DDM; in sfp_module_parse_power()
1934 if (power_mW > sfp->max_power_mW) { in sfp_module_parse_power()
1941 dev_err(sfp->dev, in sfp_module_parse_power()
1946 dev_warn(sfp->dev, in sfp_module_parse_power()
1965 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) { in sfp_module_parse_power()
1966 dev_warn(sfp->dev, in sfp_module_parse_power()
1972 sfp->module_power_mW = power_mW; in sfp_module_parse_power()
1977 static int sfp_sm_mod_hpower(struct sfp *sfp, bool enable) in sfp_sm_mod_hpower() argument
1981 err = sfp_modify_u8(sfp, true, SFP_EXT_STATUS, in sfp_sm_mod_hpower()
1985 dev_err(sfp->dev, "failed to %sable high power: %pe\n", in sfp_sm_mod_hpower()
1991 dev_info(sfp->dev, "Module switched to %u.%uW power level\n", in sfp_sm_mod_hpower()
1992 sfp->module_power_mW / 1000, in sfp_sm_mod_hpower()
1993 (sfp->module_power_mW / 100) % 10); in sfp_sm_mod_hpower()
1998 static void sfp_module_parse_rate_select(struct sfp *sfp) in sfp_module_parse_rate_select() argument
2002 sfp->rs_threshold_kbd = 0; in sfp_module_parse_rate_select()
2003 sfp->rs_state_mask = 0; in sfp_module_parse_rate_select()
2005 if (!(sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_RATE_SELECT))) in sfp_module_parse_rate_select()
2015 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2016 sfp->rs_threshold_kbd = 1594; in sfp_module_parse_rate_select()
2026 rate_id = sfp->id.base.rate_id; in sfp_module_parse_rate_select()
2035 if (sfp->id.ext.sff8472_compliance >= SFP_SFF8472_COMPLIANCE_REV10_2 && in sfp_module_parse_rate_select()
2036 sfp->id.ext.sff8472_compliance < SFP_SFF8472_COMPLIANCE_REV11_0 && in sfp_module_parse_rate_select()
2045 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_APP_SELECT_SFF8079)) { in sfp_module_parse_rate_select()
2051 sfp->rs_threshold_kbd = 2125 - 1; in sfp_module_parse_rate_select()
2052 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2058 if (sfp->id.ext.sff8472_compliance <= SFP_SFF8472_COMPLIANCE_REV9_5) in sfp_module_parse_rate_select()
2066 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2067 sfp->rs_state_mask = SFP_F_RS0; in sfp_module_parse_rate_select()
2071 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2072 sfp->rs_state_mask = SFP_F_RS1; in sfp_module_parse_rate_select()
2076 sfp->rs_threshold_kbd = 4250; in sfp_module_parse_rate_select()
2077 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2081 sfp->rs_threshold_kbd = 9000; in sfp_module_parse_rate_select()
2082 sfp->rs_state_mask = SFP_F_RS0 | SFP_F_RS1; in sfp_module_parse_rate_select()
2098 static bool sfp_id_needs_byte_io(struct sfp *sfp, void *buf, size_t len) in sfp_id_needs_byte_io() argument
2100 size_t i, block_size = sfp->i2c_block_size; in sfp_id_needs_byte_io()
2113 static int sfp_cotsworks_fixup_check(struct sfp *sfp, struct sfp_eeprom_id *id) in sfp_cotsworks_fixup_check() argument
2121 dev_warn(sfp->dev, "Rewriting fiber module EEPROM with corrected values\n"); in sfp_cotsworks_fixup_check()
2125 err = sfp_write(sfp, false, SFP_PHYS_ID, &id->base, 3); in sfp_cotsworks_fixup_check()
2127 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2138 err = sfp_write(sfp, false, SFP_CC_BASE, &check, 1); in sfp_cotsworks_fixup_check()
2140 dev_err(sfp->dev, in sfp_cotsworks_fixup_check()
2149 static int sfp_module_parse_sff8472(struct sfp *sfp) in sfp_module_parse_sff8472() argument
2152 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_module_parse_sff8472()
2153 dev_warn(sfp->dev, in sfp_module_parse_sff8472()
2156 sfp->have_a2 = true; in sfp_module_parse_sff8472()
2161 static int sfp_sm_mod_probe(struct sfp *sfp, bool report) in sfp_sm_mod_probe() argument
2171 sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_sm_mod_probe()
2173 ret = sfp_read(sfp, false, 0, &id.base, sizeof(id.base)); in sfp_sm_mod_probe()
2176 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2182 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2192 if (sfp_id_needs_byte_io(sfp, &id.base, sizeof(id.base))) { in sfp_sm_mod_probe()
2193 dev_info(sfp->dev, in sfp_sm_mod_probe()
2195 dev_info(sfp->dev, in sfp_sm_mod_probe()
2197 sfp->i2c_block_size = 1; in sfp_sm_mod_probe()
2199 ret = sfp_read(sfp, false, 0, &id.base, sizeof(id.base)); in sfp_sm_mod_probe()
2202 dev_err(sfp->dev, in sfp_sm_mod_probe()
2209 dev_err(sfp->dev, "EEPROM short read: %pe\n", in sfp_sm_mod_probe()
2227 ret = sfp_cotsworks_fixup_check(sfp, &id); in sfp_sm_mod_probe()
2236 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2240 dev_err(sfp->dev, in sfp_sm_mod_probe()
2249 ret = sfp_read(sfp, false, SFP_CC_BASE + 1, &id.ext, sizeof(id.ext)); in sfp_sm_mod_probe()
2252 dev_err(sfp->dev, "failed to read EEPROM: %pe\n", in sfp_sm_mod_probe()
2258 dev_err(sfp->dev, "EEPROM short read: %pe\n", ERR_PTR(ret)); in sfp_sm_mod_probe()
2265 dev_warn(sfp->dev, in sfp_sm_mod_probe()
2269 dev_err(sfp->dev, in sfp_sm_mod_probe()
2278 sfp->id = id; in sfp_sm_mod_probe()
2280 dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n", in sfp_sm_mod_probe()
2288 if (!sfp->type->module_supported(&id)) { in sfp_sm_mod_probe()
2289 dev_err(sfp->dev, in sfp_sm_mod_probe()
2291 sfp->id.base.phys_id, sfp->id.base.phys_ext_id); in sfp_sm_mod_probe()
2295 if (sfp->id.ext.sff8472_compliance != SFP_SFF8472_COMPLIANCE_NONE) { in sfp_sm_mod_probe()
2296 ret = sfp_module_parse_sff8472(sfp); in sfp_sm_mod_probe()
2302 ret = sfp_module_parse_power(sfp); in sfp_sm_mod_probe()
2306 sfp_module_parse_rate_select(sfp); in sfp_sm_mod_probe()
2309 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_sm_mod_probe()
2311 if (sfp->gpio[GPIO_TX_FAULT]) in sfp_sm_mod_probe()
2313 if (sfp->gpio[GPIO_LOS]) in sfp_sm_mod_probe()
2315 if (sfp->gpio[GPIO_RS0]) in sfp_sm_mod_probe()
2317 if (sfp->gpio[GPIO_RS1]) in sfp_sm_mod_probe()
2320 sfp->module_t_start_up = T_START_UP; in sfp_sm_mod_probe()
2321 sfp->module_t_wait = T_WAIT; in sfp_sm_mod_probe()
2323 sfp->tx_fault_ignore = false; in sfp_sm_mod_probe()
2325 if (sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SFI || in sfp_sm_mod_probe()
2326 sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SR || in sfp_sm_mod_probe()
2327 sfp->id.base.extended_cc == SFF8024_ECC_5GBASE_T || in sfp_sm_mod_probe()
2328 sfp->id.base.extended_cc == SFF8024_ECC_2_5GBASE_T) in sfp_sm_mod_probe()
2329 sfp->mdio_protocol = MDIO_I2C_C45; in sfp_sm_mod_probe()
2330 else if (sfp->id.base.e1000_base_t) in sfp_sm_mod_probe()
2331 sfp->mdio_protocol = MDIO_I2C_MARVELL_C22; in sfp_sm_mod_probe()
2333 sfp->mdio_protocol = MDIO_I2C_NONE; in sfp_sm_mod_probe()
2335 sfp->quirk = sfp_lookup_quirk(&id); in sfp_sm_mod_probe()
2337 mutex_lock(&sfp->st_mutex); in sfp_sm_mod_probe()
2339 sfp->state_hw_mask = mask; in sfp_sm_mod_probe()
2342 sfp->state_hw_drive |= sfp->rs_state_mask; in sfp_sm_mod_probe()
2344 if (sfp->quirk && sfp->quirk->fixup) in sfp_sm_mod_probe()
2345 sfp->quirk->fixup(sfp); in sfp_sm_mod_probe()
2346 mutex_unlock(&sfp->st_mutex); in sfp_sm_mod_probe()
2351 static void sfp_sm_mod_remove(struct sfp *sfp) in sfp_sm_mod_remove() argument
2353 if (sfp->sm_mod_state > SFP_MOD_WAITDEV) in sfp_sm_mod_remove()
2354 sfp_module_remove(sfp->sfp_bus); in sfp_sm_mod_remove()
2356 sfp_hwmon_remove(sfp); in sfp_sm_mod_remove()
2358 memset(&sfp->id, 0, sizeof(sfp->id)); in sfp_sm_mod_remove()
2359 sfp->module_power_mW = 0; in sfp_sm_mod_remove()
2360 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_sm_mod_remove()
2361 sfp->have_a2 = false; in sfp_sm_mod_remove()
2363 dev_info(sfp->dev, "module removed\n"); in sfp_sm_mod_remove()
2367 static void sfp_sm_device(struct sfp *sfp, unsigned int event) in sfp_sm_device() argument
2369 switch (sfp->sm_dev_state) { in sfp_sm_device()
2372 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2377 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2379 sfp->sm_dev_state = SFP_DEV_UP; in sfp_sm_device()
2384 sfp->sm_dev_state = SFP_DEV_DETACHED; in sfp_sm_device()
2386 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_device()
2394 static void sfp_sm_module(struct sfp *sfp, unsigned int event) in sfp_sm_module() argument
2400 sfp_sm_mod_remove(sfp); in sfp_sm_module()
2401 sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); in sfp_sm_module()
2406 if (sfp->sm_dev_state < SFP_DEV_DOWN && in sfp_sm_module()
2407 sfp->sm_mod_state > SFP_MOD_WAITDEV) { in sfp_sm_module()
2408 if (sfp->module_power_mW > 1000 && in sfp_sm_module()
2409 sfp->sm_mod_state > SFP_MOD_HPOWER) in sfp_sm_module()
2410 sfp_sm_mod_hpower(sfp, false); in sfp_sm_module()
2411 sfp_sm_mod_next(sfp, SFP_MOD_WAITDEV, 0); in sfp_sm_module()
2415 switch (sfp->sm_mod_state) { in sfp_sm_module()
2418 sfp_sm_mod_next(sfp, SFP_MOD_PROBE, T_SERIAL); in sfp_sm_module()
2419 sfp->sm_mod_tries_init = R_PROBE_RETRY_INIT; in sfp_sm_module()
2420 sfp->sm_mod_tries = R_PROBE_RETRY_SLOW; in sfp_sm_module()
2429 err = sfp_sm_mod_probe(sfp, sfp->sm_mod_tries == 1); in sfp_sm_module()
2431 if (sfp->sm_mod_tries_init && in sfp_sm_module()
2432 --sfp->sm_mod_tries_init) { in sfp_sm_module()
2433 sfp_sm_set_timer(sfp, T_PROBE_RETRY_INIT); in sfp_sm_module()
2435 } else if (sfp->sm_mod_tries && --sfp->sm_mod_tries) { in sfp_sm_module()
2436 if (sfp->sm_mod_tries == R_PROBE_RETRY_SLOW - 1) in sfp_sm_module()
2437 dev_warn(sfp->dev, in sfp_sm_module()
2439 sfp_sm_set_timer(sfp, T_PROBE_RETRY_SLOW); in sfp_sm_module()
2444 sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_module()
2451 mod_delayed_work(system_wq, &sfp->poll, 1); in sfp_sm_module()
2453 err = sfp_hwmon_insert(sfp); in sfp_sm_module()
2455 dev_warn(sfp->dev, "hwmon probe failed: %pe\n", in sfp_sm_module()
2458 sfp_sm_mod_next(sfp, SFP_MOD_WAITDEV, 0); in sfp_sm_module()
2462 if (sfp->sm_dev_state < SFP_DEV_DOWN) in sfp_sm_module()
2466 err = sfp_module_insert(sfp->sfp_bus, &sfp->id, in sfp_sm_module()
2467 sfp->quirk); in sfp_sm_module()
2469 sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_module()
2474 if (sfp->module_power_mW <= 1000) in sfp_sm_module()
2477 sfp_sm_mod_next(sfp, SFP_MOD_HPOWER, 0); in sfp_sm_module()
2481 err = sfp_sm_mod_hpower(sfp, true); in sfp_sm_module()
2484 sfp_module_remove(sfp->sfp_bus); in sfp_sm_module()
2485 sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_module()
2487 sfp_sm_set_timer(sfp, T_PROBE_RETRY_INIT); in sfp_sm_module()
2492 sfp_sm_mod_next(sfp, SFP_MOD_WAITPWR, T_HPOWER_LEVEL); in sfp_sm_module()
2501 sfp_sm_mod_next(sfp, SFP_MOD_PRESENT, 0); in sfp_sm_module()
2510 static void sfp_sm_main(struct sfp *sfp, unsigned int event) in sfp_sm_main() argument
2516 if (sfp->sm_state != SFP_S_DOWN && in sfp_sm_main()
2517 (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2518 sfp->sm_dev_state != SFP_DEV_UP)) { in sfp_sm_main()
2519 if (sfp->sm_state == SFP_S_LINK_UP && in sfp_sm_main()
2520 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_main()
2521 sfp_sm_link_down(sfp); in sfp_sm_main()
2522 if (sfp->sm_state > SFP_S_INIT) in sfp_sm_main()
2523 sfp_module_stop(sfp->sfp_bus); in sfp_sm_main()
2524 if (sfp->mod_phy) in sfp_sm_main()
2525 sfp_sm_phy_detach(sfp); in sfp_sm_main()
2526 if (sfp->i2c_mii) in sfp_sm_main()
2527 sfp_i2c_mdiobus_destroy(sfp); in sfp_sm_main()
2528 sfp_module_tx_disable(sfp); in sfp_sm_main()
2529 sfp_soft_stop_poll(sfp); in sfp_sm_main()
2530 sfp_sm_next(sfp, SFP_S_DOWN, 0); in sfp_sm_main()
2535 switch (sfp->sm_state) { in sfp_sm_main()
2537 if (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_main()
2538 sfp->sm_dev_state != SFP_DEV_UP) in sfp_sm_main()
2545 if (sfp->have_a2) in sfp_sm_main()
2546 sfp_soft_start_poll(sfp); in sfp_sm_main()
2548 sfp_module_tx_enable(sfp); in sfp_sm_main()
2551 sfp->sm_fault_retries = N_FAULT_INIT; in sfp_sm_main()
2558 sfp_sm_next(sfp, SFP_S_WAIT, sfp->module_t_wait); in sfp_sm_main()
2565 if (sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2571 timeout = sfp->module_t_start_up; in sfp_sm_main()
2572 if (timeout > sfp->module_t_wait) in sfp_sm_main()
2573 timeout -= sfp->module_t_wait; in sfp_sm_main()
2577 sfp_sm_next(sfp, SFP_S_INIT, timeout); in sfp_sm_main()
2587 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2591 sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT, in sfp_sm_main()
2592 sfp->sm_fault_retries == N_FAULT_INIT); in sfp_sm_main()
2596 ret = sfp_sm_add_mdio_bus(sfp); in sfp_sm_main()
2598 sfp_sm_next(sfp, SFP_S_FAIL, 0); in sfp_sm_main()
2601 sfp->sm_phy_retries = R_PHY_RETRY; in sfp_sm_main()
2613 ret = sfp_sm_probe_for_phy(sfp); in sfp_sm_main()
2615 if (--sfp->sm_phy_retries) { in sfp_sm_main()
2616 sfp_sm_next(sfp, SFP_S_INIT_PHY, T_PHY_RETRY); in sfp_sm_main()
2619 dev_info(sfp->dev, "no PHY detected\n"); in sfp_sm_main()
2622 sfp_sm_next(sfp, SFP_S_FAIL, 0); in sfp_sm_main()
2625 if (sfp_module_start(sfp->sfp_bus)) { in sfp_sm_main()
2626 sfp_sm_next(sfp, SFP_S_FAIL, 0); in sfp_sm_main()
2629 sfp_sm_link_check_los(sfp); in sfp_sm_main()
2632 sfp->sm_fault_retries = N_FAULT; in sfp_sm_main()
2637 sfp_module_tx_fault_reset(sfp); in sfp_sm_main()
2638 sfp_sm_next(sfp, SFP_S_INIT, sfp->module_t_start_up); in sfp_sm_main()
2644 sfp_sm_fault(sfp, SFP_S_TX_FAULT, true); in sfp_sm_main()
2645 else if (sfp_los_event_inactive(sfp, event)) in sfp_sm_main()
2646 sfp_sm_link_up(sfp); in sfp_sm_main()
2651 sfp_sm_link_down(sfp); in sfp_sm_main()
2652 sfp_sm_fault(sfp, SFP_S_TX_FAULT, true); in sfp_sm_main()
2653 } else if (sfp_los_event_active(sfp, event)) { in sfp_sm_main()
2654 sfp_sm_link_down(sfp); in sfp_sm_main()
2655 sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0); in sfp_sm_main()
2661 sfp_module_tx_fault_reset(sfp); in sfp_sm_main()
2662 sfp_sm_next(sfp, SFP_S_REINIT, sfp->module_t_start_up); in sfp_sm_main()
2667 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_main()
2668 sfp_sm_fault(sfp, SFP_S_TX_FAULT, false); in sfp_sm_main()
2670 dev_info(sfp->dev, "module transmit fault recovered\n"); in sfp_sm_main()
2671 sfp_sm_link_check_los(sfp); in sfp_sm_main()
2680 static void __sfp_sm_event(struct sfp *sfp, unsigned int event) in __sfp_sm_event() argument
2682 dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", in __sfp_sm_event()
2683 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2684 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2685 sm_state_to_str(sfp->sm_state), in __sfp_sm_event()
2688 sfp_sm_device(sfp, event); in __sfp_sm_event()
2689 sfp_sm_module(sfp, event); in __sfp_sm_event()
2690 sfp_sm_main(sfp, event); in __sfp_sm_event()
2692 dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", in __sfp_sm_event()
2693 mod_state_to_str(sfp->sm_mod_state), in __sfp_sm_event()
2694 dev_state_to_str(sfp->sm_dev_state), in __sfp_sm_event()
2695 sm_state_to_str(sfp->sm_state)); in __sfp_sm_event()
2698 static void sfp_sm_event(struct sfp *sfp, unsigned int event) in sfp_sm_event() argument
2700 mutex_lock(&sfp->sm_mutex); in sfp_sm_event()
2701 __sfp_sm_event(sfp, event); in sfp_sm_event()
2702 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
2705 static void sfp_attach(struct sfp *sfp) in sfp_attach() argument
2707 sfp_sm_event(sfp, SFP_E_DEV_ATTACH); in sfp_attach()
2710 static void sfp_detach(struct sfp *sfp) in sfp_detach() argument
2712 sfp_sm_event(sfp, SFP_E_DEV_DETACH); in sfp_detach()
2715 static void sfp_start(struct sfp *sfp) in sfp_start() argument
2717 sfp_sm_event(sfp, SFP_E_DEV_UP); in sfp_start()
2720 static void sfp_stop(struct sfp *sfp) in sfp_stop() argument
2722 sfp_sm_event(sfp, SFP_E_DEV_DOWN); in sfp_stop()
2725 static void sfp_set_signal_rate(struct sfp *sfp, unsigned int rate_kbd) in sfp_set_signal_rate() argument
2729 sfp->rate_kbd = rate_kbd; in sfp_set_signal_rate()
2731 if (rate_kbd > sfp->rs_threshold_kbd) in sfp_set_signal_rate()
2732 set = sfp->rs_state_mask; in sfp_set_signal_rate()
2736 sfp_mod_state(sfp, SFP_F_RS0 | SFP_F_RS1, set); in sfp_set_signal_rate()
2739 static int sfp_module_info(struct sfp *sfp, struct ethtool_modinfo *modinfo) in sfp_module_info() argument
2743 if (sfp->id.ext.sff8472_compliance && in sfp_module_info()
2744 !(sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE)) { in sfp_module_info()
2754 static int sfp_module_eeprom(struct sfp *sfp, struct ethtool_eeprom *ee, in sfp_module_eeprom() argument
2760 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom()
2772 ret = sfp_read(sfp, false, first, data, len); in sfp_module_eeprom()
2784 ret = sfp_read(sfp, true, first, data, len); in sfp_module_eeprom()
2791 static int sfp_module_eeprom_by_page(struct sfp *sfp, in sfp_module_eeprom_by_page() argument
2795 if (!(sfp->state & SFP_F_PRESENT)) in sfp_module_eeprom_by_page()
2814 return sfp_read(sfp, page->i2c_address == 0x51, page->offset, in sfp_module_eeprom_by_page()
2831 struct sfp *sfp = container_of(work, struct sfp, timeout.work); in sfp_timeout() local
2834 sfp_sm_event(sfp, SFP_E_TIMEOUT); in sfp_timeout()
2838 static void sfp_check_state(struct sfp *sfp) in sfp_check_state() argument
2843 mutex_lock(&sfp->st_mutex); in sfp_check_state()
2844 state = sfp_get_state(sfp); in sfp_check_state()
2845 changed = state ^ sfp->state; in sfp_check_state()
2846 if (sfp->tx_fault_ignore) in sfp_check_state()
2853 dev_dbg(sfp->dev, "%s %u -> %u\n", gpio_names[i], in sfp_check_state()
2854 !!(sfp->state & BIT(i)), !!(state & BIT(i))); in sfp_check_state()
2856 state |= sfp->state & SFP_F_OUTPUTS; in sfp_check_state()
2857 sfp->state = state; in sfp_check_state()
2858 mutex_unlock(&sfp->st_mutex); in sfp_check_state()
2860 mutex_lock(&sfp->sm_mutex); in sfp_check_state()
2862 __sfp_sm_event(sfp, state & SFP_F_PRESENT ? in sfp_check_state()
2866 __sfp_sm_event(sfp, state & SFP_F_TX_FAULT ? in sfp_check_state()
2870 __sfp_sm_event(sfp, state & SFP_F_LOS ? in sfp_check_state()
2872 mutex_unlock(&sfp->sm_mutex); in sfp_check_state()
2878 struct sfp *sfp = data; in sfp_irq() local
2880 sfp_check_state(sfp); in sfp_irq()
2887 struct sfp *sfp = container_of(work, struct sfp, poll.work); in sfp_poll() local
2889 sfp_check_state(sfp); in sfp_poll()
2893 if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) || in sfp_poll()
2894 sfp->need_poll) in sfp_poll()
2895 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_poll()
2898 static struct sfp *sfp_alloc(struct device *dev) in sfp_alloc()
2900 struct sfp *sfp; in sfp_alloc() local
2902 sfp = kzalloc(sizeof(*sfp), GFP_KERNEL); in sfp_alloc()
2903 if (!sfp) in sfp_alloc()
2906 sfp->dev = dev; in sfp_alloc()
2907 sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE; in sfp_alloc()
2909 mutex_init(&sfp->sm_mutex); in sfp_alloc()
2910 mutex_init(&sfp->st_mutex); in sfp_alloc()
2911 INIT_DELAYED_WORK(&sfp->poll, sfp_poll); in sfp_alloc()
2912 INIT_DELAYED_WORK(&sfp->timeout, sfp_timeout); in sfp_alloc()
2914 sfp_hwmon_init(sfp); in sfp_alloc()
2916 return sfp; in sfp_alloc()
2921 struct sfp *sfp = data; in sfp_cleanup() local
2923 sfp_hwmon_exit(sfp); in sfp_cleanup()
2925 cancel_delayed_work_sync(&sfp->poll); in sfp_cleanup()
2926 cancel_delayed_work_sync(&sfp->timeout); in sfp_cleanup()
2927 if (sfp->i2c_mii) { in sfp_cleanup()
2928 mdiobus_unregister(sfp->i2c_mii); in sfp_cleanup()
2929 mdiobus_free(sfp->i2c_mii); in sfp_cleanup()
2931 if (sfp->i2c) in sfp_cleanup()
2932 i2c_put_adapter(sfp->i2c); in sfp_cleanup()
2933 kfree(sfp); in sfp_cleanup()
2936 static int sfp_i2c_get(struct sfp *sfp) in sfp_i2c_get() argument
2942 h = fwnode_find_reference(dev_fwnode(sfp->dev), "i2c-bus", 0); in sfp_i2c_get()
2944 dev_err(sfp->dev, "missing 'i2c-bus' property\n"); in sfp_i2c_get()
2954 err = sfp_i2c_configure(sfp, i2c); in sfp_i2c_get()
2966 struct sfp *sfp; in sfp_probe() local
2969 sfp = sfp_alloc(&pdev->dev); in sfp_probe()
2970 if (IS_ERR(sfp)) in sfp_probe()
2971 return PTR_ERR(sfp); in sfp_probe()
2973 platform_set_drvdata(pdev, sfp); in sfp_probe()
2975 err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); in sfp_probe()
2979 sff = device_get_match_data(sfp->dev); in sfp_probe()
2983 sfp->type = sff; in sfp_probe()
2985 err = sfp_i2c_get(sfp); in sfp_probe()
2991 sfp->gpio[i] = devm_gpiod_get_optional(sfp->dev, in sfp_probe()
2993 if (IS_ERR(sfp->gpio[i])) in sfp_probe()
2994 return PTR_ERR(sfp->gpio[i]); in sfp_probe()
2997 sfp->state_hw_mask = SFP_F_PRESENT; in sfp_probe()
2998 sfp->state_hw_drive = SFP_F_TX_DISABLE; in sfp_probe()
3000 sfp->get_state = sfp_gpio_get_state; in sfp_probe()
3001 sfp->set_state = sfp_gpio_set_state; in sfp_probe()
3004 if (!(sfp->gpio[GPIO_MODDEF0])) in sfp_probe()
3005 sfp->get_state = sff_gpio_get_state; in sfp_probe()
3008 &sfp->max_power_mW); in sfp_probe()
3009 if (sfp->max_power_mW < 1000) { in sfp_probe()
3010 if (sfp->max_power_mW) in sfp_probe()
3011 dev_warn(sfp->dev, in sfp_probe()
3013 sfp->max_power_mW = 1000; in sfp_probe()
3016 dev_info(sfp->dev, "Host maximum power %u.%uW\n", in sfp_probe()
3017 sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); in sfp_probe()
3022 sfp->state = sfp_get_state(sfp) | SFP_F_TX_DISABLE; in sfp_probe()
3024 if (sfp->gpio[GPIO_RS0] && in sfp_probe()
3025 gpiod_get_value_cansleep(sfp->gpio[GPIO_RS0])) in sfp_probe()
3026 sfp->state |= SFP_F_RS0; in sfp_probe()
3027 sfp_set_state(sfp, sfp->state); in sfp_probe()
3028 sfp_module_tx_disable(sfp); in sfp_probe()
3029 if (sfp->state & SFP_F_PRESENT) { in sfp_probe()
3031 sfp_sm_event(sfp, SFP_E_INSERT); in sfp_probe()
3036 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_probe()
3039 sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); in sfp_probe()
3040 if (sfp->gpio_irq[i] < 0) { in sfp_probe()
3041 sfp->gpio_irq[i] = 0; in sfp_probe()
3042 sfp->need_poll = true; in sfp_probe()
3046 sfp_irq_name = devm_kasprintf(sfp->dev, GFP_KERNEL, in sfp_probe()
3047 "%s-%s", dev_name(sfp->dev), in sfp_probe()
3053 err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i], in sfp_probe()
3058 sfp_irq_name, sfp); in sfp_probe()
3060 sfp->gpio_irq[i] = 0; in sfp_probe()
3061 sfp->need_poll = true; in sfp_probe()
3065 if (sfp->need_poll) in sfp_probe()
3066 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_probe()
3073 if (!sfp->gpio[GPIO_TX_DISABLE]) in sfp_probe()
3074 dev_warn(sfp->dev, in sfp_probe()
3077 sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); in sfp_probe()
3078 if (!sfp->sfp_bus) in sfp_probe()
3081 sfp_debugfs_init(sfp); in sfp_probe()
3088 struct sfp *sfp = platform_get_drvdata(pdev); in sfp_remove() local
3090 sfp_debugfs_exit(sfp); in sfp_remove()
3091 sfp_unregister_socket(sfp->sfp_bus); in sfp_remove()
3094 sfp_sm_event(sfp, SFP_E_REMOVE); in sfp_remove()
3102 struct sfp *sfp = platform_get_drvdata(pdev); in sfp_shutdown() local
3106 if (!sfp->gpio_irq[i]) in sfp_shutdown()
3109 devm_free_irq(sfp->dev, sfp->gpio_irq[i], sfp); in sfp_shutdown()
3112 cancel_delayed_work_sync(&sfp->poll); in sfp_shutdown()
3113 cancel_delayed_work_sync(&sfp->timeout); in sfp_shutdown()