Lines Matching refs:ppd
61 struct hfi1_pportdata *ppd = dd->pport;
69 ppd->port_type = temp_dest >>
76 ppd->local_atten = temp_dest >>
83 ppd->remote_atten = temp_dest >>
90 ppd->default_atten = temp_dest >>
97 ppd->tx_preset_eq = (temp_scratch & TX_EQ_SMASK) >> TX_EQ_SHIFT;
98 ppd->tx_preset_noeq = (temp_scratch & TX_NO_EQ_SMASK) >> TX_NO_EQ_SHIFT;
99 ppd->rx_preset = (temp_scratch & RX_SMASK) >> RX_SHIFT;
101 ppd->max_power_class = (temp_scratch & QSFP_MAX_POWER_SMASK) >>
104 ppd->config_from_scratch = true;
163 void get_port_type(struct hfi1_pportdata *ppd)
168 ret = get_platform_config_field(ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
172 ppd->port_type = PORT_TYPE_UNKNOWN;
175 ppd->port_type = temp;
178 int set_qsfp_tx(struct hfi1_pportdata *ppd, int on)
183 ret = qsfp_write(ppd, ppd->dd->hfi1_id, QSFP_TX_CTRL_BYTE_OFFS,
193 static int qual_power(struct hfi1_pportdata *ppd)
196 u8 *cache = ppd->qsfp_info.cache;
200 ppd->dd, PLATFORM_CONFIG_SYSTEM_TABLE, 0,
208 ppd->offline_disabled_reason =
211 if (ppd->offline_disabled_reason ==
214 ppd->dd,
222 static int qual_bitrate(struct hfi1_pportdata *ppd)
224 u16 lss = ppd->link_speed_supported, lse = ppd->link_speed_enabled;
225 u8 *cache = ppd->qsfp_info.cache;
229 ppd->offline_disabled_reason =
234 ppd->offline_disabled_reason =
237 if (ppd->offline_disabled_reason ==
240 ppd->dd,
248 static int set_qsfp_high_power(struct hfi1_pportdata *ppd)
251 u8 *cache = ppd->qsfp_info.cache;
262 ret = qsfp_write(ppd, ppd->dd->hfi1_id,
270 ret = qsfp_write(ppd, ppd->dd->hfi1_id,
283 static void apply_rx_cdr(struct hfi1_pportdata *ppd,
288 u8 *cache = ppd->qsfp_info.cache;
305 ppd->dd, PLATFORM_CONFIG_RX_PRESET_TABLE,
311 ppd->dd,
317 ppd->dd, PLATFORM_CONFIG_RX_PRESET_TABLE,
334 static void apply_tx_cdr(struct hfi1_pportdata *ppd,
339 u8 *cache = ppd->qsfp_info.cache;
356 ppd->dd,
362 ppd->dd,
368 ppd->dd,
385 struct hfi1_pportdata *ppd, u32 rx_preset_index,
388 u8 *cache = ppd->qsfp_info.cache;
391 apply_rx_cdr(ppd, rx_preset_index, &cdr_ctrl_byte);
393 apply_tx_cdr(ppd, tx_preset_index, &cdr_ctrl_byte);
395 qsfp_write(ppd, ppd->dd->hfi1_id, QSFP_CDR_CTRL_BYTE_OFFS,
399 static void apply_tx_eq_auto(struct hfi1_pportdata *ppd)
401 u8 *cache = ppd->qsfp_info.cache;
409 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 241, &tx_eq, 1);
412 static void apply_tx_eq_prog(struct hfi1_pportdata *ppd, u32 tx_preset_index)
414 u8 *cache = ppd->qsfp_info.cache;
422 ppd->dd, PLATFORM_CONFIG_TX_PRESET_TABLE,
427 ppd->dd,
433 ppd->dd, PLATFORM_CONFIG_TX_PRESET_TABLE,
439 ppd->dd,
444 ppd->dd,
452 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 234, &tx_eq, 1);
453 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 235, &tx_eq, 1);
456 static void apply_rx_eq_emp(struct hfi1_pportdata *ppd, u32 rx_preset_index)
459 u8 rx_eq, *cache = ppd->qsfp_info.cache;
464 ppd->dd, PLATFORM_CONFIG_RX_PRESET_TABLE,
470 ppd->dd,
476 ppd->dd, PLATFORM_CONFIG_RX_PRESET_TABLE,
482 ppd->dd,
487 ppd->dd,
496 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 236, &rx_eq, 1);
497 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 237, &rx_eq, 1);
500 static void apply_eq_settings(struct hfi1_pportdata *ppd,
503 u8 *cache = ppd->qsfp_info.cache;
507 dd_dev_info(ppd->dd,
513 apply_tx_eq_auto(ppd);
515 apply_tx_eq_prog(ppd, tx_preset_index);
517 apply_rx_eq_emp(ppd, rx_preset_index);
521 struct hfi1_pportdata *ppd, u32 rx_preset_index,
525 u8 rx_amp = 0, i = 0, preferred = 0, *cache = ppd->qsfp_info.cache;
529 dd_dev_info(ppd->dd,
535 dd_dev_info(ppd->dd,
541 get_platform_config_field(ppd->dd,
548 dd_dev_info(ppd->dd,
553 get_platform_config_field(ppd->dd,
559 dd_dev_info(ppd->dd,
577 dd_dev_info(ppd->dd, "No supported RX AMP, not applying\n");
581 dd_dev_info(ppd->dd,
585 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 238, &rx_amp, 1);
586 qsfp_write(ppd, ppd->dd->hfi1_id, (256 * 3) + 239, &rx_amp, 1);
591 static void apply_tx_lanes(struct hfi1_pportdata *ppd, u8 field_id,
598 ret = load_8051_config(ppd->dd, field_id, i, config_data);
601 ppd->dd,
618 static u8 aoc_low_power_setting(struct hfi1_pportdata *ppd)
620 u8 *cache = ppd->qsfp_info.cache;
624 if (ppd->port_type != PORT_TYPE_QSFP)
641 struct hfi1_pportdata *ppd, u32 tx_preset_index,
647 u8 *cache = ppd->qsfp_info.cache;
650 read_8051_config(ppd->dd, LINK_TUNING_PARAMETERS, GENERAL_CONFIG,
654 ret = load_8051_config(ppd->dd, LINK_TUNING_PARAMETERS, GENERAL_CONFIG,
657 dd_dev_err(ppd->dd, "%s: Failed to set tuning method\n",
662 apply_tx_lanes(ppd, CHANNEL_LOSS_SETTINGS, config_data,
666 if (ppd->qsfp_info.cache_valid) {
672 ret = read_8051_config(ppd->dd, DC_HOST_COMM_SETTINGS,
677 ret = load_8051_config(ppd->dd, DC_HOST_COMM_SETTINGS,
680 dd_dev_err(ppd->dd,
686 if (ppd->port_type == PORT_TYPE_QSFP && limiting_active)
687 dd_dev_err(ppd->dd, "%s: Invalid Tx preset index\n",
694 ppd->dd, PLATFORM_CONFIG_TX_PRESET_TABLE, tx_preset_index,
699 ppd->dd, PLATFORM_CONFIG_TX_PRESET_TABLE,
704 ppd->dd, PLATFORM_CONFIG_TX_PRESET_TABLE,
718 (aoc_low_power_setting(ppd) << 24);
720 apply_tx_lanes(ppd, TX_EQ_SETTINGS, config_data,
725 static int tune_active_qsfp(struct hfi1_pportdata *ppd, u32 *ptr_tx_preset,
729 u16 lss = ppd->link_speed_supported, lse = ppd->link_speed_enabled;
730 u8 *cache = ppd->qsfp_info.cache;
732 ppd->qsfp_info.limiting_active = 1;
734 ret = set_qsfp_tx(ppd, 0);
738 ret = qual_power(ppd);
742 ret = qual_bitrate(ppd);
751 if (ppd->qsfp_info.reset_needed) {
752 ret = reset_qsfp(ppd);
755 refresh_qsfp_cache(ppd, &ppd->qsfp_info);
757 ppd->qsfp_info.reset_needed = 1;
760 ret = set_qsfp_high_power(ppd);
766 ppd->dd,
776 ppd->dd,
787 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
796 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
800 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
803 apply_cdr_settings(ppd, *ptr_rx_preset, *ptr_tx_preset);
805 apply_eq_settings(ppd, *ptr_rx_preset, *ptr_tx_preset);
807 apply_rx_amplitude_settings(ppd, *ptr_rx_preset, *ptr_tx_preset);
809 ret = set_qsfp_tx(ppd, 1);
814 static int tune_qsfp(struct hfi1_pportdata *ppd,
819 u16 lss = ppd->link_speed_supported, lse = ppd->link_speed_enabled;
821 u8 *cache = ppd->qsfp_info.cache;
826 ppd->dd,
842 ppd->dd,
851 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
863 ret = tune_active_qsfp(ppd, ptr_tx_preset, ptr_rx_preset,
873 dd_dev_warn(ppd->dd, "%s: Unknown/unsupported cable\n",
881 * This function communicates its success or failure via ppd->driver_link_ready
886 void tune_serdes(struct hfi1_pportdata *ppd)
893 struct hfi1_devdata *dd = ppd->dd;
899 ppd->link_enabled = 1;
901 ppd->driver_link_ready = 0;
902 ppd->offline_disabled_reason = HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE);
906 ppd->dd->icode == ICODE_FUNCTIONAL_SIMULATOR) {
907 ppd->driver_link_ready = 1;
909 if (qsfp_mod_present(ppd)) {
910 ret = acquire_chip_resource(ppd->dd,
911 qsfp_resource(ppd->dd),
914 dd_dev_err(ppd->dd, "%s: hfi%d: cannot lock i2c chain\n",
915 __func__, (int)ppd->dd->hfi1_id);
919 refresh_qsfp_cache(ppd, &ppd->qsfp_info);
920 release_chip_resource(ppd->dd, qsfp_resource(ppd->dd));
926 switch (ppd->port_type) {
928 ppd->offline_disabled_reason =
936 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
940 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
948 if (qsfp_mod_present(ppd)) {
954 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
959 ppd->dd, PLATFORM_CONFIG_PORT_TABLE, 0,
967 ppd->offline_disabled_reason =
973 if (qsfp_mod_present(ppd)) {
974 ret = acquire_chip_resource(ppd->dd,
975 qsfp_resource(ppd->dd),
978 dd_dev_err(ppd->dd, "%s: hfi%d: cannot lock i2c chain\n",
979 __func__, (int)ppd->dd->hfi1_id);
982 refresh_qsfp_cache(ppd, &ppd->qsfp_info);
984 if (ppd->qsfp_info.cache_valid) {
985 ret = tune_qsfp(ppd,
995 refresh_qsfp_cache(ppd, &ppd->qsfp_info);
997 ppd->qsfp_info.limiting_active;
1004 release_chip_resource(ppd->dd, qsfp_resource(ppd->dd));
1008 ppd->offline_disabled_reason =
1015 dd_dev_warn(ppd->dd, "%s: Unknown port type\n", __func__);
1016 ppd->port_type = PORT_TYPE_UNKNOWN;
1024 if (ppd->offline_disabled_reason ==
1026 apply_tunings(ppd, tx_preset_index, tuning_method,
1030 ppd->driver_link_ready = 1;
1034 ppd->driver_link_ready = 0;