Lines Matching refs:sfp
173 struct sfp { struct
182 unsigned int (*get_state)(struct sfp *); argument
183 void (*set_state)(struct sfp *, unsigned int); argument
184 int (*read)(struct sfp *, bool, u8, void *, size_t); argument
185 int (*write)(struct sfp *, bool, u8, void *, size_t); argument
242 static unsigned int sfp_gpio_get_state(struct sfp *sfp) in sfp_gpio_get_state() argument
247 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_gpio_get_state()
250 v = gpiod_get_value_cansleep(sfp->gpio[i]); in sfp_gpio_get_state()
258 static unsigned int sff_gpio_get_state(struct sfp *sfp) in sff_gpio_get_state() argument
260 return sfp_gpio_get_state(sfp) | SFP_F_PRESENT; in sff_gpio_get_state()
263 static void sfp_gpio_set_state(struct sfp *sfp, unsigned int state) in sfp_gpio_set_state() argument
267 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_gpio_set_state()
268 gpiod_direction_output(sfp->gpio[GPIO_TX_DISABLE], in sfp_gpio_set_state()
271 gpiod_direction_output(sfp->gpio[GPIO_RATE_SELECT], in sfp_gpio_set_state()
275 if (sfp->gpio[GPIO_TX_DISABLE]) in sfp_gpio_set_state()
276 gpiod_direction_input(sfp->gpio[GPIO_TX_DISABLE]); in sfp_gpio_set_state()
278 gpiod_direction_input(sfp->gpio[GPIO_RATE_SELECT]); in sfp_gpio_set_state()
282 static int sfp_i2c_read(struct sfp *sfp, bool a2, u8 dev_addr, void *buf, in sfp_i2c_read() argument
306 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_read()
321 static int sfp_i2c_write(struct sfp *sfp, bool a2, u8 dev_addr, void *buf, in sfp_i2c_write() argument
338 ret = i2c_transfer(sfp->i2c, msgs, ARRAY_SIZE(msgs)); in sfp_i2c_write()
348 static int sfp_i2c_configure(struct sfp *sfp, struct i2c_adapter *i2c) in sfp_i2c_configure() argument
356 sfp->i2c = i2c; in sfp_i2c_configure()
357 sfp->read = sfp_i2c_read; in sfp_i2c_configure()
358 sfp->write = sfp_i2c_write; in sfp_i2c_configure()
360 i2c_mii = mdio_i2c_alloc(sfp->dev, i2c); in sfp_i2c_configure()
373 sfp->i2c_mii = i2c_mii; in sfp_i2c_configure()
379 static unsigned int sfp_get_state(struct sfp *sfp) in sfp_get_state() argument
381 return sfp->get_state(sfp); in sfp_get_state()
384 static void sfp_set_state(struct sfp *sfp, unsigned int state) in sfp_set_state() argument
386 sfp->set_state(sfp, state); in sfp_set_state()
389 static int sfp_read(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) in sfp_read() argument
391 return sfp->read(sfp, a2, addr, buf, len); in sfp_read()
394 static int sfp_write(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) in sfp_write() argument
396 return sfp->write(sfp, a2, addr, buf, len); in sfp_write()
415 const struct sfp *sfp = data; in sfp_hwmon_is_visible() local
428 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
447 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
466 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
482 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && in sfp_hwmon_is_visible()
494 if (!(sfp->id.ext.enhopts & SFP_ENHOPTS_ALARMWARN)) in sfp_hwmon_is_visible()
508 static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_sensor() argument
513 err = sfp_read(sfp, true, reg, &val, sizeof(val)); in sfp_hwmon_read_sensor()
527 static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset, in sfp_hwmon_calibrate() argument
530 if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) in sfp_hwmon_calibrate()
534 static void sfp_hwmon_calibrate_temp(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_temp() argument
536 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), in sfp_hwmon_calibrate_temp()
537 be16_to_cpu(sfp->diag.cal_t_offset), value); in sfp_hwmon_calibrate_temp()
545 static void sfp_hwmon_calibrate_vcc(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_vcc() argument
547 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), in sfp_hwmon_calibrate_vcc()
548 be16_to_cpu(sfp->diag.cal_v_offset), value); in sfp_hwmon_calibrate_vcc()
553 static void sfp_hwmon_calibrate_bias(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_bias() argument
555 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), in sfp_hwmon_calibrate_bias()
556 be16_to_cpu(sfp->diag.cal_txi_offset), value); in sfp_hwmon_calibrate_bias()
561 static void sfp_hwmon_calibrate_tx_power(struct sfp *sfp, long *value) in sfp_hwmon_calibrate_tx_power() argument
563 sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), in sfp_hwmon_calibrate_tx_power()
564 be16_to_cpu(sfp->diag.cal_txpwr_offset), value); in sfp_hwmon_calibrate_tx_power()
569 static int sfp_hwmon_read_temp(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_temp() argument
573 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_temp()
577 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_read_temp()
582 static int sfp_hwmon_read_vcc(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_vcc() argument
586 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_vcc()
590 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_read_vcc()
595 static int sfp_hwmon_read_bias(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_bias() argument
599 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_bias()
603 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_read_bias()
608 static int sfp_hwmon_read_tx_power(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_tx_power() argument
612 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_tx_power()
616 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_read_tx_power()
621 static int sfp_hwmon_read_rx_power(struct sfp *sfp, int reg, long *value) in sfp_hwmon_read_rx_power() argument
625 err = sfp_hwmon_read_sensor(sfp, reg, value); in sfp_hwmon_read_rx_power()
634 static int sfp_hwmon_temp(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_temp() argument
641 return sfp_hwmon_read_temp(sfp, SFP_TEMP, value); in sfp_hwmon_temp()
644 *value = be16_to_cpu(sfp->diag.temp_low_alarm); in sfp_hwmon_temp()
645 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
649 *value = be16_to_cpu(sfp->diag.temp_low_warn); in sfp_hwmon_temp()
650 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
653 *value = be16_to_cpu(sfp->diag.temp_high_warn); in sfp_hwmon_temp()
654 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
658 *value = be16_to_cpu(sfp->diag.temp_high_alarm); in sfp_hwmon_temp()
659 sfp_hwmon_calibrate_temp(sfp, value); in sfp_hwmon_temp()
663 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_temp()
671 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_temp()
679 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_temp()
687 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_temp()
700 static int sfp_hwmon_vcc(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_vcc() argument
707 return sfp_hwmon_read_vcc(sfp, SFP_VCC, value); in sfp_hwmon_vcc()
710 *value = be16_to_cpu(sfp->diag.volt_low_alarm); in sfp_hwmon_vcc()
711 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
715 *value = be16_to_cpu(sfp->diag.volt_low_warn); in sfp_hwmon_vcc()
716 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
720 *value = be16_to_cpu(sfp->diag.volt_high_warn); in sfp_hwmon_vcc()
721 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
725 *value = be16_to_cpu(sfp->diag.volt_high_alarm); in sfp_hwmon_vcc()
726 sfp_hwmon_calibrate_vcc(sfp, value); in sfp_hwmon_vcc()
730 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_vcc()
738 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_vcc()
746 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_vcc()
754 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_vcc()
767 static int sfp_hwmon_bias(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_bias() argument
774 return sfp_hwmon_read_bias(sfp, SFP_TX_BIAS, value); in sfp_hwmon_bias()
777 *value = be16_to_cpu(sfp->diag.bias_low_alarm); in sfp_hwmon_bias()
778 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
782 *value = be16_to_cpu(sfp->diag.bias_low_warn); in sfp_hwmon_bias()
783 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
787 *value = be16_to_cpu(sfp->diag.bias_high_warn); in sfp_hwmon_bias()
788 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
792 *value = be16_to_cpu(sfp->diag.bias_high_alarm); in sfp_hwmon_bias()
793 sfp_hwmon_calibrate_bias(sfp, value); in sfp_hwmon_bias()
797 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_bias()
805 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_bias()
813 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_bias()
821 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_bias()
834 static int sfp_hwmon_tx_power(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_tx_power() argument
841 return sfp_hwmon_read_tx_power(sfp, SFP_TX_POWER, value); in sfp_hwmon_tx_power()
844 *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); in sfp_hwmon_tx_power()
845 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
849 *value = be16_to_cpu(sfp->diag.txpwr_low_warn); in sfp_hwmon_tx_power()
850 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
854 *value = be16_to_cpu(sfp->diag.txpwr_high_warn); in sfp_hwmon_tx_power()
855 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
859 *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); in sfp_hwmon_tx_power()
860 sfp_hwmon_calibrate_tx_power(sfp, value); in sfp_hwmon_tx_power()
864 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_tx_power()
872 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_tx_power()
880 err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); in sfp_hwmon_tx_power()
888 err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); in sfp_hwmon_tx_power()
901 static int sfp_hwmon_rx_power(struct sfp *sfp, u32 attr, long *value) in sfp_hwmon_rx_power() argument
908 return sfp_hwmon_read_rx_power(sfp, SFP_RX_POWER, value); in sfp_hwmon_rx_power()
911 *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); in sfp_hwmon_rx_power()
916 *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); in sfp_hwmon_rx_power()
921 *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); in sfp_hwmon_rx_power()
926 *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); in sfp_hwmon_rx_power()
931 err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); in sfp_hwmon_rx_power()
939 err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); in sfp_hwmon_rx_power()
947 err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); in sfp_hwmon_rx_power()
955 err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); in sfp_hwmon_rx_power()
971 struct sfp *sfp = dev_get_drvdata(dev); in sfp_hwmon_read() local
975 return sfp_hwmon_temp(sfp, attr, value); in sfp_hwmon_read()
977 return sfp_hwmon_vcc(sfp, attr, value); in sfp_hwmon_read()
979 return sfp_hwmon_bias(sfp, attr, value); in sfp_hwmon_read()
983 return sfp_hwmon_tx_power(sfp, attr, value); in sfp_hwmon_read()
985 return sfp_hwmon_rx_power(sfp, attr, value); in sfp_hwmon_read()
1145 static int sfp_hwmon_insert(struct sfp *sfp) in sfp_hwmon_insert() argument
1149 if (sfp->id.ext.sff8472_compliance == SFP_SFF8472_COMPLIANCE_NONE) in sfp_hwmon_insert()
1152 if (!(sfp->id.ext.diagmon & SFP_DIAGMON_DDM)) in sfp_hwmon_insert()
1155 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_hwmon_insert()
1161 err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); in sfp_hwmon_insert()
1165 sfp->hwmon_name = kstrdup(dev_name(sfp->dev), GFP_KERNEL); in sfp_hwmon_insert()
1166 if (!sfp->hwmon_name) in sfp_hwmon_insert()
1169 for (i = 0; sfp->hwmon_name[i]; i++) in sfp_hwmon_insert()
1170 if (hwmon_is_bad_char(sfp->hwmon_name[i])) in sfp_hwmon_insert()
1171 sfp->hwmon_name[i] = '_'; in sfp_hwmon_insert()
1173 sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, in sfp_hwmon_insert()
1174 sfp->hwmon_name, sfp, in sfp_hwmon_insert()
1178 return PTR_ERR_OR_ZERO(sfp->hwmon_dev); in sfp_hwmon_insert()
1181 static void sfp_hwmon_remove(struct sfp *sfp) in sfp_hwmon_remove() argument
1183 if (!IS_ERR_OR_NULL(sfp->hwmon_dev)) { in sfp_hwmon_remove()
1184 hwmon_device_unregister(sfp->hwmon_dev); in sfp_hwmon_remove()
1185 sfp->hwmon_dev = NULL; in sfp_hwmon_remove()
1186 kfree(sfp->hwmon_name); in sfp_hwmon_remove()
1190 static int sfp_hwmon_insert(struct sfp *sfp) in sfp_hwmon_insert() argument
1195 static void sfp_hwmon_remove(struct sfp *sfp) in sfp_hwmon_remove() argument
1201 static void sfp_module_tx_disable(struct sfp *sfp) in sfp_module_tx_disable() argument
1203 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_disable()
1204 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 1); in sfp_module_tx_disable()
1205 sfp->state |= SFP_F_TX_DISABLE; in sfp_module_tx_disable()
1206 sfp_set_state(sfp, sfp->state); in sfp_module_tx_disable()
1209 static void sfp_module_tx_enable(struct sfp *sfp) in sfp_module_tx_enable() argument
1211 dev_dbg(sfp->dev, "tx disable %u -> %u\n", in sfp_module_tx_enable()
1212 sfp->state & SFP_F_TX_DISABLE ? 1 : 0, 0); in sfp_module_tx_enable()
1213 sfp->state &= ~SFP_F_TX_DISABLE; in sfp_module_tx_enable()
1214 sfp_set_state(sfp, sfp->state); in sfp_module_tx_enable()
1217 static void sfp_module_tx_fault_reset(struct sfp *sfp) in sfp_module_tx_fault_reset() argument
1219 unsigned int state = sfp->state; in sfp_module_tx_fault_reset()
1224 sfp_set_state(sfp, state | SFP_F_TX_DISABLE); in sfp_module_tx_fault_reset()
1228 sfp_set_state(sfp, state); in sfp_module_tx_fault_reset()
1232 static void sfp_sm_set_timer(struct sfp *sfp, unsigned int timeout) in sfp_sm_set_timer() argument
1235 mod_delayed_work(system_power_efficient_wq, &sfp->timeout, in sfp_sm_set_timer()
1238 cancel_delayed_work(&sfp->timeout); in sfp_sm_set_timer()
1241 static void sfp_sm_next(struct sfp *sfp, unsigned int state, in sfp_sm_next() argument
1244 sfp->sm_state = state; in sfp_sm_next()
1245 sfp_sm_set_timer(sfp, timeout); in sfp_sm_next()
1248 static void sfp_sm_ins_next(struct sfp *sfp, unsigned int state, in sfp_sm_ins_next() argument
1251 sfp->sm_mod_state = state; in sfp_sm_ins_next()
1252 sfp_sm_set_timer(sfp, timeout); in sfp_sm_ins_next()
1255 static void sfp_sm_phy_detach(struct sfp *sfp) in sfp_sm_phy_detach() argument
1257 phy_stop(sfp->mod_phy); in sfp_sm_phy_detach()
1258 sfp_remove_phy(sfp->sfp_bus); in sfp_sm_phy_detach()
1259 phy_device_remove(sfp->mod_phy); in sfp_sm_phy_detach()
1260 phy_device_free(sfp->mod_phy); in sfp_sm_phy_detach()
1261 sfp->mod_phy = NULL; in sfp_sm_phy_detach()
1264 static void sfp_sm_probe_phy(struct sfp *sfp) in sfp_sm_probe_phy() argument
1271 phy = mdiobus_scan(sfp->i2c_mii, SFP_PHY_ADDR); in sfp_sm_probe_phy()
1273 dev_info(sfp->dev, "no PHY detected\n"); in sfp_sm_probe_phy()
1277 dev_err(sfp->dev, "mdiobus scan returned %ld\n", PTR_ERR(phy)); in sfp_sm_probe_phy()
1281 err = sfp_add_phy(sfp->sfp_bus, phy); in sfp_sm_probe_phy()
1285 dev_err(sfp->dev, "sfp_add_phy failed: %d\n", err); in sfp_sm_probe_phy()
1289 sfp->mod_phy = phy; in sfp_sm_probe_phy()
1293 static void sfp_sm_link_up(struct sfp *sfp) in sfp_sm_link_up() argument
1295 sfp_link_up(sfp->sfp_bus); in sfp_sm_link_up()
1296 sfp_sm_next(sfp, SFP_S_LINK_UP, 0); in sfp_sm_link_up()
1299 static void sfp_sm_link_down(struct sfp *sfp) in sfp_sm_link_down() argument
1301 sfp_link_down(sfp->sfp_bus); in sfp_sm_link_down()
1304 static void sfp_sm_link_check_los(struct sfp *sfp) in sfp_sm_link_check_los() argument
1306 unsigned int los = sfp->state & SFP_F_LOS; in sfp_sm_link_check_los()
1311 if (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_LOS_INVERTED)) in sfp_sm_link_check_los()
1313 else if (!(sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_LOS_NORMAL))) in sfp_sm_link_check_los()
1317 sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0); in sfp_sm_link_check_los()
1319 sfp_sm_link_up(sfp); in sfp_sm_link_check_los()
1322 static bool sfp_los_event_active(struct sfp *sfp, unsigned int event) in sfp_los_event_active() argument
1324 return (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_LOS_INVERTED) && in sfp_los_event_active()
1326 (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_LOS_NORMAL) && in sfp_los_event_active()
1330 static bool sfp_los_event_inactive(struct sfp *sfp, unsigned int event) in sfp_los_event_inactive() argument
1332 return (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_LOS_INVERTED) && in sfp_los_event_inactive()
1334 (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_LOS_NORMAL) && in sfp_los_event_inactive()
1338 static void sfp_sm_fault(struct sfp *sfp, bool warn) in sfp_sm_fault() argument
1340 if (sfp->sm_retries && !--sfp->sm_retries) { in sfp_sm_fault()
1341 dev_err(sfp->dev, in sfp_sm_fault()
1343 sfp_sm_next(sfp, SFP_S_TX_DISABLE, 0); in sfp_sm_fault()
1346 dev_err(sfp->dev, "module transmit fault indicated\n"); in sfp_sm_fault()
1348 sfp_sm_next(sfp, SFP_S_TX_FAULT, T_FAULT_RECOVER); in sfp_sm_fault()
1352 static void sfp_sm_mod_init(struct sfp *sfp) in sfp_sm_mod_init() argument
1354 sfp_module_tx_enable(sfp); in sfp_sm_mod_init()
1360 sfp_sm_next(sfp, SFP_S_INIT, T_INIT_JIFFIES); in sfp_sm_mod_init()
1361 sfp->sm_retries = 5; in sfp_sm_mod_init()
1372 if (sfp->id.base.e1000_base_t || in sfp_sm_mod_init()
1373 sfp->id.base.e100_base_lx || in sfp_sm_mod_init()
1374 sfp->id.base.e100_base_fx) in sfp_sm_mod_init()
1375 sfp_sm_probe_phy(sfp); in sfp_sm_mod_init()
1378 static int sfp_sm_mod_hpower(struct sfp *sfp) in sfp_sm_mod_hpower() argument
1385 if (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_POWER_DECL)) in sfp_sm_mod_hpower()
1387 if (sfp->id.ext.options & cpu_to_be16(SFP_OPTIONS_HIGH_POWER_LEVEL)) in sfp_sm_mod_hpower()
1390 if (sfp->id.ext.sff8472_compliance == SFP_SFF8472_COMPLIANCE_NONE && in sfp_sm_mod_hpower()
1391 (sfp->id.ext.diagmon & (SFP_DIAGMON_DDM | SFP_DIAGMON_ADDRMODE)) != in sfp_sm_mod_hpower()
1397 if (power > sfp->max_power_mW) { in sfp_sm_mod_hpower()
1398 dev_err(sfp->dev, in sfp_sm_mod_hpower()
1406 if (power > sfp->max_power_mW) { in sfp_sm_mod_hpower()
1407 dev_warn(sfp->dev, in sfp_sm_mod_hpower()
1416 err = sfp_read(sfp, true, SFP_EXT_STATUS, &val, sizeof(val)); in sfp_sm_mod_hpower()
1418 dev_err(sfp->dev, "Failed to read EEPROM: %d\n", err); in sfp_sm_mod_hpower()
1425 err = sfp_write(sfp, true, SFP_EXT_STATUS, &val, sizeof(val)); in sfp_sm_mod_hpower()
1427 dev_err(sfp->dev, "Failed to write EEPROM: %d\n", err); in sfp_sm_mod_hpower()
1432 dev_info(sfp->dev, "Module switched to %u.%uW power level\n", in sfp_sm_mod_hpower()
1440 static int sfp_sm_mod_probe(struct sfp *sfp) in sfp_sm_mod_probe() argument
1448 ret = sfp_read(sfp, false, 0, &id, sizeof(id)); in sfp_sm_mod_probe()
1450 dev_err(sfp->dev, "failed to read EEPROM: %d\n", ret); in sfp_sm_mod_probe()
1455 dev_err(sfp->dev, "EEPROM short read: %d\n", ret); in sfp_sm_mod_probe()
1469 dev_warn(sfp->dev, in sfp_sm_mod_probe()
1473 dev_err(sfp->dev, in sfp_sm_mod_probe()
1485 dev_warn(sfp->dev, in sfp_sm_mod_probe()
1489 dev_err(sfp->dev, in sfp_sm_mod_probe()
1498 sfp->id = id; in sfp_sm_mod_probe()
1500 dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n", in sfp_sm_mod_probe()
1508 if (!sfp->type->module_supported(&sfp->id)) { in sfp_sm_mod_probe()
1509 dev_err(sfp->dev, in sfp_sm_mod_probe()
1511 sfp->id.base.phys_id, sfp->id.base.phys_ext_id); in sfp_sm_mod_probe()
1516 if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) in sfp_sm_mod_probe()
1517 dev_warn(sfp->dev, in sfp_sm_mod_probe()
1520 ret = sfp_hwmon_insert(sfp); in sfp_sm_mod_probe()
1524 ret = sfp_module_insert(sfp->sfp_bus, &sfp->id); in sfp_sm_mod_probe()
1528 return sfp_sm_mod_hpower(sfp); in sfp_sm_mod_probe()
1531 static void sfp_sm_mod_remove(struct sfp *sfp) in sfp_sm_mod_remove() argument
1533 sfp_module_remove(sfp->sfp_bus); in sfp_sm_mod_remove()
1535 sfp_hwmon_remove(sfp); in sfp_sm_mod_remove()
1537 if (sfp->mod_phy) in sfp_sm_mod_remove()
1538 sfp_sm_phy_detach(sfp); in sfp_sm_mod_remove()
1540 sfp_module_tx_disable(sfp); in sfp_sm_mod_remove()
1542 memset(&sfp->id, 0, sizeof(sfp->id)); in sfp_sm_mod_remove()
1544 dev_info(sfp->dev, "module removed\n"); in sfp_sm_mod_remove()
1547 static void sfp_sm_event(struct sfp *sfp, unsigned int event) in sfp_sm_event() argument
1549 mutex_lock(&sfp->sm_mutex); in sfp_sm_event()
1551 dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", in sfp_sm_event()
1552 mod_state_to_str(sfp->sm_mod_state), in sfp_sm_event()
1553 dev_state_to_str(sfp->sm_dev_state), in sfp_sm_event()
1554 sm_state_to_str(sfp->sm_state), in sfp_sm_event()
1560 switch (sfp->sm_mod_state) { in sfp_sm_event()
1562 if (event == SFP_E_INSERT && sfp->attached) { in sfp_sm_event()
1563 sfp_module_tx_disable(sfp); in sfp_sm_event()
1564 sfp_sm_ins_next(sfp, SFP_MOD_PROBE, T_PROBE_INIT); in sfp_sm_event()
1570 sfp_sm_ins_next(sfp, SFP_MOD_EMPTY, 0); in sfp_sm_event()
1572 int val = sfp_sm_mod_probe(sfp); in sfp_sm_event()
1575 sfp_sm_ins_next(sfp, SFP_MOD_PRESENT, 0); in sfp_sm_event()
1577 sfp_sm_ins_next(sfp, SFP_MOD_HPOWER, val); in sfp_sm_event()
1579 sfp_sm_ins_next(sfp, SFP_MOD_ERROR, 0); in sfp_sm_event()
1581 sfp_sm_set_timer(sfp, T_PROBE_RETRY); in sfp_sm_event()
1587 sfp_sm_ins_next(sfp, SFP_MOD_PRESENT, 0); in sfp_sm_event()
1594 sfp_sm_mod_remove(sfp); in sfp_sm_event()
1595 sfp_sm_ins_next(sfp, SFP_MOD_EMPTY, 0); in sfp_sm_event()
1601 switch (sfp->sm_dev_state) { in sfp_sm_event()
1604 sfp->sm_dev_state = SFP_DEV_UP; in sfp_sm_event()
1613 if (!sfp->mod_phy) in sfp_sm_event()
1614 sfp_module_tx_disable(sfp); in sfp_sm_event()
1615 sfp->sm_dev_state = SFP_DEV_DOWN; in sfp_sm_event()
1621 if (sfp->sm_state != SFP_S_DOWN && in sfp_sm_event()
1622 (sfp->sm_mod_state != SFP_MOD_PRESENT || in sfp_sm_event()
1623 sfp->sm_dev_state != SFP_DEV_UP)) { in sfp_sm_event()
1624 if (sfp->sm_state == SFP_S_LINK_UP && in sfp_sm_event()
1625 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_event()
1626 sfp_sm_link_down(sfp); in sfp_sm_event()
1627 if (sfp->mod_phy) in sfp_sm_event()
1628 sfp_sm_phy_detach(sfp); in sfp_sm_event()
1629 sfp_sm_next(sfp, SFP_S_DOWN, 0); in sfp_sm_event()
1630 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
1635 switch (sfp->sm_state) { in sfp_sm_event()
1637 if (sfp->sm_mod_state == SFP_MOD_PRESENT && in sfp_sm_event()
1638 sfp->sm_dev_state == SFP_DEV_UP) in sfp_sm_event()
1639 sfp_sm_mod_init(sfp); in sfp_sm_event()
1643 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) in sfp_sm_event()
1644 sfp_sm_fault(sfp, true); in sfp_sm_event()
1646 sfp_sm_link_check_los(sfp); in sfp_sm_event()
1651 sfp_sm_fault(sfp, true); in sfp_sm_event()
1652 else if (sfp_los_event_inactive(sfp, event)) in sfp_sm_event()
1653 sfp_sm_link_up(sfp); in sfp_sm_event()
1658 sfp_sm_link_down(sfp); in sfp_sm_event()
1659 sfp_sm_fault(sfp, true); in sfp_sm_event()
1660 } else if (sfp_los_event_active(sfp, event)) { in sfp_sm_event()
1661 sfp_sm_link_down(sfp); in sfp_sm_event()
1662 sfp_sm_next(sfp, SFP_S_WAIT_LOS, 0); in sfp_sm_event()
1668 sfp_module_tx_fault_reset(sfp); in sfp_sm_event()
1669 sfp_sm_next(sfp, SFP_S_REINIT, T_INIT_JIFFIES); in sfp_sm_event()
1674 if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) { in sfp_sm_event()
1675 sfp_sm_fault(sfp, false); in sfp_sm_event()
1677 dev_info(sfp->dev, "module transmit fault recovered\n"); in sfp_sm_event()
1678 sfp_sm_link_check_los(sfp); in sfp_sm_event()
1686 dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", in sfp_sm_event()
1687 mod_state_to_str(sfp->sm_mod_state), in sfp_sm_event()
1688 dev_state_to_str(sfp->sm_dev_state), in sfp_sm_event()
1689 sm_state_to_str(sfp->sm_state)); in sfp_sm_event()
1691 mutex_unlock(&sfp->sm_mutex); in sfp_sm_event()
1694 static void sfp_attach(struct sfp *sfp) in sfp_attach() argument
1696 sfp->attached = true; in sfp_attach()
1697 if (sfp->state & SFP_F_PRESENT) in sfp_attach()
1698 sfp_sm_event(sfp, SFP_E_INSERT); in sfp_attach()
1701 static void sfp_detach(struct sfp *sfp) in sfp_detach() argument
1703 sfp->attached = false; in sfp_detach()
1704 sfp_sm_event(sfp, SFP_E_REMOVE); in sfp_detach()
1707 static void sfp_start(struct sfp *sfp) in sfp_start() argument
1709 sfp_sm_event(sfp, SFP_E_DEV_UP); in sfp_start()
1712 static void sfp_stop(struct sfp *sfp) in sfp_stop() argument
1714 sfp_sm_event(sfp, SFP_E_DEV_DOWN); in sfp_stop()
1717 static int sfp_module_info(struct sfp *sfp, struct ethtool_modinfo *modinfo) in sfp_module_info() argument
1721 if (sfp->id.ext.sff8472_compliance && in sfp_module_info()
1722 !(sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE)) { in sfp_module_info()
1732 static int sfp_module_eeprom(struct sfp *sfp, struct ethtool_eeprom *ee, in sfp_module_eeprom() argument
1747 ret = sfp_read(sfp, false, first, data, len); in sfp_module_eeprom()
1759 ret = sfp_read(sfp, true, first, data, len); in sfp_module_eeprom()
1777 struct sfp *sfp = container_of(work, struct sfp, timeout.work); in sfp_timeout() local
1780 sfp_sm_event(sfp, SFP_E_TIMEOUT); in sfp_timeout()
1784 static void sfp_check_state(struct sfp *sfp) in sfp_check_state() argument
1788 mutex_lock(&sfp->st_mutex); in sfp_check_state()
1789 state = sfp_get_state(sfp); in sfp_check_state()
1790 changed = state ^ sfp->state; in sfp_check_state()
1795 dev_dbg(sfp->dev, "%s %u -> %u\n", gpio_of_names[i], in sfp_check_state()
1796 !!(sfp->state & BIT(i)), !!(state & BIT(i))); in sfp_check_state()
1798 state |= sfp->state & (SFP_F_TX_DISABLE | SFP_F_RATE_SELECT); in sfp_check_state()
1799 sfp->state = state; in sfp_check_state()
1803 sfp_sm_event(sfp, state & SFP_F_PRESENT ? in sfp_check_state()
1807 sfp_sm_event(sfp, state & SFP_F_TX_FAULT ? in sfp_check_state()
1811 sfp_sm_event(sfp, state & SFP_F_LOS ? in sfp_check_state()
1814 mutex_unlock(&sfp->st_mutex); in sfp_check_state()
1819 struct sfp *sfp = data; in sfp_irq() local
1821 sfp_check_state(sfp); in sfp_irq()
1828 struct sfp *sfp = container_of(work, struct sfp, poll.work); in sfp_poll() local
1830 sfp_check_state(sfp); in sfp_poll()
1831 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_poll()
1834 static struct sfp *sfp_alloc(struct device *dev) in sfp_alloc()
1836 struct sfp *sfp; in sfp_alloc() local
1838 sfp = kzalloc(sizeof(*sfp), GFP_KERNEL); in sfp_alloc()
1839 if (!sfp) in sfp_alloc()
1842 sfp->dev = dev; in sfp_alloc()
1844 mutex_init(&sfp->sm_mutex); in sfp_alloc()
1845 mutex_init(&sfp->st_mutex); in sfp_alloc()
1846 INIT_DELAYED_WORK(&sfp->poll, sfp_poll); in sfp_alloc()
1847 INIT_DELAYED_WORK(&sfp->timeout, sfp_timeout); in sfp_alloc()
1849 return sfp; in sfp_alloc()
1854 struct sfp *sfp = data; in sfp_cleanup() local
1856 cancel_delayed_work_sync(&sfp->poll); in sfp_cleanup()
1857 cancel_delayed_work_sync(&sfp->timeout); in sfp_cleanup()
1858 if (sfp->i2c_mii) { in sfp_cleanup()
1859 mdiobus_unregister(sfp->i2c_mii); in sfp_cleanup()
1860 mdiobus_free(sfp->i2c_mii); in sfp_cleanup()
1862 if (sfp->i2c) in sfp_cleanup()
1863 i2c_put_adapter(sfp->i2c); in sfp_cleanup()
1864 kfree(sfp); in sfp_cleanup()
1871 struct sfp *sfp; in sfp_probe() local
1875 sfp = sfp_alloc(&pdev->dev); in sfp_probe()
1876 if (IS_ERR(sfp)) in sfp_probe()
1877 return PTR_ERR(sfp); in sfp_probe()
1879 platform_set_drvdata(pdev, sfp); in sfp_probe()
1881 err = devm_add_action(sfp->dev, sfp_cleanup, sfp); in sfp_probe()
1885 sff = sfp->type = &sfp_data; in sfp_probe()
1896 sff = sfp->type = id->data; in sfp_probe()
1900 dev_err(sfp->dev, "missing 'i2c-bus' property\n"); in sfp_probe()
1928 err = sfp_i2c_configure(sfp, i2c); in sfp_probe()
1936 sfp->gpio[i] = devm_gpiod_get_optional(sfp->dev, in sfp_probe()
1938 if (IS_ERR(sfp->gpio[i])) in sfp_probe()
1939 return PTR_ERR(sfp->gpio[i]); in sfp_probe()
1942 sfp->get_state = sfp_gpio_get_state; in sfp_probe()
1943 sfp->set_state = sfp_gpio_set_state; in sfp_probe()
1946 if (!(sfp->gpio[GPIO_MODDEF0])) in sfp_probe()
1947 sfp->get_state = sff_gpio_get_state; in sfp_probe()
1950 &sfp->max_power_mW); in sfp_probe()
1951 if (!sfp->max_power_mW) in sfp_probe()
1952 sfp->max_power_mW = 1000; in sfp_probe()
1954 dev_info(sfp->dev, "Host maximum power %u.%uW\n", in sfp_probe()
1955 sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); in sfp_probe()
1960 sfp->state = sfp_get_state(sfp) | SFP_F_TX_DISABLE; in sfp_probe()
1962 if (sfp->gpio[GPIO_RATE_SELECT] && in sfp_probe()
1963 gpiod_get_value_cansleep(sfp->gpio[GPIO_RATE_SELECT])) in sfp_probe()
1964 sfp->state |= SFP_F_RATE_SELECT; in sfp_probe()
1965 sfp_set_state(sfp, sfp->state); in sfp_probe()
1966 sfp_module_tx_disable(sfp); in sfp_probe()
1969 if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) in sfp_probe()
1972 sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]); in sfp_probe()
1973 if (!sfp->gpio_irq[i]) { in sfp_probe()
1978 err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i], in sfp_probe()
1983 dev_name(sfp->dev), sfp); in sfp_probe()
1985 sfp->gpio_irq[i] = 0; in sfp_probe()
1991 mod_delayed_work(system_wq, &sfp->poll, poll_jiffies); in sfp_probe()
1998 if (!sfp->gpio[GPIO_TX_DISABLE]) in sfp_probe()
1999 dev_warn(sfp->dev, in sfp_probe()
2002 sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); in sfp_probe()
2003 if (!sfp->sfp_bus) in sfp_probe()
2011 struct sfp *sfp = platform_get_drvdata(pdev); in sfp_remove() local
2013 sfp_unregister_socket(sfp->sfp_bus); in sfp_remove()
2020 struct sfp *sfp = platform_get_drvdata(pdev); in sfp_shutdown() local
2024 if (!sfp->gpio_irq[i]) in sfp_shutdown()
2027 devm_free_irq(sfp->dev, sfp->gpio_irq[i], sfp); in sfp_shutdown()
2030 cancel_delayed_work_sync(&sfp->poll); in sfp_shutdown()
2031 cancel_delayed_work_sync(&sfp->timeout); in sfp_shutdown()