Lines Matching +full:power +full:- +full:sensor
1 // SPDX-License-Identifier: GPL-2.0+
7 #include <linux/hwmon-sysfs.h>
32 /* OCC sensor type and version definitions */
144 cmd[4] = occ->poll_cmd_data; /* data */ in occ_poll()
149 rc = occ->send_cmd(occ, cmd, sizeof(cmd), &occ->resp, sizeof(occ->resp)); in occ_poll()
151 occ->last_error = rc; in occ_poll()
152 if (occ->error_count++ > OCC_ERROR_COUNT_THRESHOLD) in occ_poll()
153 occ->error = rc; in occ_poll()
159 occ->error_count = 0; in occ_poll()
160 occ->last_error = 0; in occ_poll()
161 occ->error = 0; in occ_poll()
164 header = (struct occ_poll_response_header *)occ->resp.data; in occ_poll()
165 if (header->occ_state == OCC_STATE_SAFE) { in occ_poll()
166 if (occ->last_safe) { in occ_poll()
168 occ->last_safe + OCC_SAFE_TIMEOUT)) in occ_poll()
169 occ->error = -EHOSTDOWN; in occ_poll()
171 occ->last_safe = jiffies; in occ_poll()
174 occ->last_safe = 0; in occ_poll()
199 rc = mutex_lock_interruptible(&occ->lock); in occ_set_user_power_cap()
203 rc = occ->send_cmd(occ, cmd, sizeof(cmd), resp, sizeof(resp)); in occ_set_user_power_cap()
205 mutex_unlock(&occ->lock); in occ_set_user_power_cap()
212 int rc = mutex_lock_interruptible(&occ->lock); in occ_update_response()
218 if (time_after(jiffies, occ->next_update)) { in occ_update_response()
220 occ->next_update = jiffies + OCC_UPDATE_FREQUENCY; in occ_update_response()
222 rc = occ->last_error; in occ_update_response()
225 mutex_unlock(&occ->lock); in occ_update_response()
236 struct occ_sensors *sensors = &occ->sensors; in occ_show_temp_1()
243 temp = ((struct temp_sensor_1 *)sensors->temp.data) + sattr->index; in occ_show_temp_1()
245 switch (sattr->nr) { in occ_show_temp_1()
247 val = get_unaligned_be16(&temp->sensor_id); in occ_show_temp_1()
251 * If a sensor reading has expired and couldn't be refreshed, in occ_show_temp_1()
252 * OCC returns 0xFFFF for that sensor. in occ_show_temp_1()
254 if (temp->value == 0xFFFF) in occ_show_temp_1()
255 return -EREMOTEIO; in occ_show_temp_1()
256 val = get_unaligned_be16(&temp->value) * 1000; in occ_show_temp_1()
259 return -EINVAL; in occ_show_temp_1()
272 struct occ_sensors *sensors = &occ->sensors; in occ_show_temp_2()
279 temp = ((struct temp_sensor_2 *)sensors->temp.data) + sattr->index; in occ_show_temp_2()
281 switch (sattr->nr) { in occ_show_temp_2()
283 val = get_unaligned_be32(&temp->sensor_id); in occ_show_temp_2()
286 val = temp->value; in occ_show_temp_2()
288 return -EREMOTEIO; in occ_show_temp_2()
295 if (temp->fru_type != OCC_FRU_TYPE_VRM) { in occ_show_temp_2()
296 /* sensor not ready */ in occ_show_temp_2()
298 return -EAGAIN; in occ_show_temp_2()
304 val = temp->fru_type; in occ_show_temp_2()
307 val = temp->value == OCC_TEMP_SENSOR_FAULT; in occ_show_temp_2()
310 return -EINVAL; in occ_show_temp_2()
323 struct occ_sensors *sensors = &occ->sensors; in occ_show_temp_10()
330 temp = ((struct temp_sensor_10 *)sensors->temp.data) + sattr->index; in occ_show_temp_10()
332 switch (sattr->nr) { in occ_show_temp_10()
334 val = get_unaligned_be32(&temp->sensor_id); in occ_show_temp_10()
337 val = temp->value; in occ_show_temp_10()
339 return -EREMOTEIO; in occ_show_temp_10()
341 /* sensor not ready */ in occ_show_temp_10()
343 return -EAGAIN; in occ_show_temp_10()
348 val = temp->fru_type; in occ_show_temp_10()
351 val = temp->value == OCC_TEMP_SENSOR_FAULT; in occ_show_temp_10()
354 val = temp->throttle * 1000; in occ_show_temp_10()
357 return -EINVAL; in occ_show_temp_10()
370 struct occ_sensors *sensors = &occ->sensors; in occ_show_freq_1()
377 freq = ((struct freq_sensor_1 *)sensors->freq.data) + sattr->index; in occ_show_freq_1()
379 switch (sattr->nr) { in occ_show_freq_1()
381 val = get_unaligned_be16(&freq->sensor_id); in occ_show_freq_1()
384 val = get_unaligned_be16(&freq->value); in occ_show_freq_1()
387 return -EINVAL; in occ_show_freq_1()
400 struct occ_sensors *sensors = &occ->sensors; in occ_show_freq_2()
407 freq = ((struct freq_sensor_2 *)sensors->freq.data) + sattr->index; in occ_show_freq_2()
409 switch (sattr->nr) { in occ_show_freq_2()
411 val = get_unaligned_be32(&freq->sensor_id); in occ_show_freq_2()
414 val = get_unaligned_be16(&freq->value); in occ_show_freq_2()
417 return -EINVAL; in occ_show_freq_2()
428 struct power_sensor_1 *power; in occ_show_power_1() local
430 struct occ_sensors *sensors = &occ->sensors; in occ_show_power_1()
437 power = ((struct power_sensor_1 *)sensors->power.data) + sattr->index; in occ_show_power_1()
439 switch (sattr->nr) { in occ_show_power_1()
441 val = get_unaligned_be16(&power->sensor_id); in occ_show_power_1()
444 val = get_unaligned_be32(&power->accumulator) / in occ_show_power_1()
445 get_unaligned_be32(&power->update_tag); in occ_show_power_1()
449 val = (u64)get_unaligned_be32(&power->update_tag) * in occ_show_power_1()
450 occ->powr_sample_time_us; in occ_show_power_1()
453 val = get_unaligned_be16(&power->value) * 1000000ULL; in occ_show_power_1()
456 return -EINVAL; in occ_show_power_1()
473 struct power_sensor_2 *power; in occ_show_power_2() local
475 struct occ_sensors *sensors = &occ->sensors; in occ_show_power_2()
482 power = ((struct power_sensor_2 *)sensors->power.data) + sattr->index; in occ_show_power_2()
484 switch (sattr->nr) { in occ_show_power_2()
487 get_unaligned_be32(&power->sensor_id), in occ_show_power_2()
488 power->function_id, power->apss_channel); in occ_show_power_2()
490 val = occ_get_powr_avg(get_unaligned_be64(&power->accumulator), in occ_show_power_2()
491 get_unaligned_be32(&power->update_tag)); in occ_show_power_2()
494 val = (u64)get_unaligned_be32(&power->update_tag) * in occ_show_power_2()
495 occ->powr_sample_time_us; in occ_show_power_2()
498 val = get_unaligned_be16(&power->value) * 1000000ULL; in occ_show_power_2()
501 return -EINVAL; in occ_show_power_2()
512 struct power_sensor_a0 *power; in occ_show_power_a0() local
514 struct occ_sensors *sensors = &occ->sensors; in occ_show_power_a0()
521 power = ((struct power_sensor_a0 *)sensors->power.data) + sattr->index; in occ_show_power_a0()
523 switch (sattr->nr) { in occ_show_power_a0()
526 get_unaligned_be32(&power->sensor_id)); in occ_show_power_a0()
528 val = occ_get_powr_avg(get_unaligned_be64(&power->system.accumulator), in occ_show_power_a0()
529 get_unaligned_be32(&power->system.update_tag)); in occ_show_power_a0()
532 val = (u64)get_unaligned_be32(&power->system.update_tag) * in occ_show_power_a0()
533 occ->powr_sample_time_us; in occ_show_power_a0()
536 val = get_unaligned_be16(&power->system.value) * 1000000ULL; in occ_show_power_a0()
540 get_unaligned_be32(&power->sensor_id)); in occ_show_power_a0()
542 val = occ_get_powr_avg(get_unaligned_be64(&power->proc.accumulator), in occ_show_power_a0()
543 get_unaligned_be32(&power->proc.update_tag)); in occ_show_power_a0()
546 val = (u64)get_unaligned_be32(&power->proc.update_tag) * in occ_show_power_a0()
547 occ->powr_sample_time_us; in occ_show_power_a0()
550 val = get_unaligned_be16(&power->proc.value) * 1000000ULL; in occ_show_power_a0()
554 get_unaligned_be32(&power->sensor_id)); in occ_show_power_a0()
556 val = occ_get_powr_avg(get_unaligned_be64(&power->vdd.accumulator), in occ_show_power_a0()
557 get_unaligned_be32(&power->vdd.update_tag)); in occ_show_power_a0()
560 val = (u64)get_unaligned_be32(&power->vdd.update_tag) * in occ_show_power_a0()
561 occ->powr_sample_time_us; in occ_show_power_a0()
564 val = get_unaligned_be16(&power->vdd.value) * 1000000ULL; in occ_show_power_a0()
568 get_unaligned_be32(&power->sensor_id)); in occ_show_power_a0()
570 val = occ_get_powr_avg(get_unaligned_be64(&power->vdn.accumulator), in occ_show_power_a0()
571 get_unaligned_be32(&power->vdn.update_tag)); in occ_show_power_a0()
574 val = (u64)get_unaligned_be32(&power->vdn.update_tag) * in occ_show_power_a0()
575 occ->powr_sample_time_us; in occ_show_power_a0()
578 val = get_unaligned_be16(&power->vdn.value) * 1000000ULL; in occ_show_power_a0()
581 return -EINVAL; in occ_show_power_a0()
594 struct occ_sensors *sensors = &occ->sensors; in occ_show_caps_1_2()
601 caps = ((struct caps_sensor_2 *)sensors->caps.data) + sattr->index; in occ_show_caps_1_2()
603 switch (sattr->nr) { in occ_show_caps_1_2()
607 val = get_unaligned_be16(&caps->cap) * 1000000ULL; in occ_show_caps_1_2()
610 val = get_unaligned_be16(&caps->system_power) * 1000000ULL; in occ_show_caps_1_2()
613 val = get_unaligned_be16(&caps->n_cap) * 1000000ULL; in occ_show_caps_1_2()
616 val = get_unaligned_be16(&caps->max) * 1000000ULL; in occ_show_caps_1_2()
619 val = get_unaligned_be16(&caps->min) * 1000000ULL; in occ_show_caps_1_2()
622 val = get_unaligned_be16(&caps->user) * 1000000ULL; in occ_show_caps_1_2()
625 if (occ->sensors.caps.version == 1) in occ_show_caps_1_2()
626 return -EINVAL; in occ_show_caps_1_2()
628 val = caps->user_source; in occ_show_caps_1_2()
631 return -EINVAL; in occ_show_caps_1_2()
644 struct occ_sensors *sensors = &occ->sensors; in occ_show_caps_3()
651 caps = ((struct caps_sensor_3 *)sensors->caps.data) + sattr->index; in occ_show_caps_3()
653 switch (sattr->nr) { in occ_show_caps_3()
657 val = get_unaligned_be16(&caps->cap) * 1000000ULL; in occ_show_caps_3()
660 val = get_unaligned_be16(&caps->system_power) * 1000000ULL; in occ_show_caps_3()
663 val = get_unaligned_be16(&caps->n_cap) * 1000000ULL; in occ_show_caps_3()
666 val = get_unaligned_be16(&caps->max) * 1000000ULL; in occ_show_caps_3()
669 val = get_unaligned_be16(&caps->hard_min) * 1000000ULL; in occ_show_caps_3()
672 val = get_unaligned_be16(&caps->user) * 1000000ULL; in occ_show_caps_3()
675 val = caps->user_source; in occ_show_caps_3()
678 val = get_unaligned_be16(&caps->soft_min) * 1000000ULL; in occ_show_caps_3()
681 return -EINVAL; in occ_show_caps_3()
715 struct occ_sensors *sensors = &occ->sensors; in occ_show_extended()
722 extn = ((struct extended_sensor *)sensors->extended.data) + in occ_show_extended()
723 sattr->index; in occ_show_extended()
725 switch (sattr->nr) { in occ_show_extended()
727 if (extn->flags & EXTN_FLAG_SENSOR_ID) { in occ_show_extended()
729 get_unaligned_be32(&extn->sensor_id)); in occ_show_extended()
731 rc = sysfs_emit(buf, "%4phN\n", extn->name); in occ_show_extended()
735 rc = sysfs_emit(buf, "%02x\n", extn->flags); in occ_show_extended()
738 rc = sysfs_emit(buf, "%6phN\n", extn->data); in occ_show_extended()
741 return -EINVAL; in occ_show_extended()
761 vsnprintf(attr->name, sizeof(attr->name), fmt, args); in occ_init_attribute()
764 attr->sensor.dev_attr.attr.name = attr->name; in occ_init_attribute()
765 attr->sensor.dev_attr.attr.mode = mode; in occ_init_attribute()
766 attr->sensor.dev_attr.show = show; in occ_init_attribute()
767 attr->sensor.dev_attr.store = store; in occ_init_attribute()
768 attr->sensor.index = index; in occ_init_attribute()
769 attr->sensor.nr = nr; in occ_init_attribute()
774 * use our own instead of the built-in hwmon attribute types.
779 struct device *dev = occ->bus_dev; in occ_setup_sensor_attrs()
780 struct occ_sensors *sensors = &occ->sensors; in occ_setup_sensor_attrs()
792 switch (sensors->temp.version) { in occ_setup_sensor_attrs()
794 num_attrs += (sensors->temp.num_sensors * 2); in occ_setup_sensor_attrs()
797 num_attrs += (sensors->temp.num_sensors * 4); in occ_setup_sensor_attrs()
801 num_attrs += (sensors->temp.num_sensors * 5); in occ_setup_sensor_attrs()
805 sensors->temp.num_sensors = 0; in occ_setup_sensor_attrs()
808 switch (sensors->freq.version) { in occ_setup_sensor_attrs()
813 num_attrs += (sensors->freq.num_sensors * 2); in occ_setup_sensor_attrs()
816 sensors->freq.num_sensors = 0; in occ_setup_sensor_attrs()
819 switch (sensors->power.version) { in occ_setup_sensor_attrs()
824 num_attrs += (sensors->power.num_sensors * 4); in occ_setup_sensor_attrs()
827 num_attrs += (sensors->power.num_sensors * 16); in occ_setup_sensor_attrs()
831 sensors->power.num_sensors = 0; in occ_setup_sensor_attrs()
834 switch (sensors->caps.version) { in occ_setup_sensor_attrs()
836 num_attrs += (sensors->caps.num_sensors * 7); in occ_setup_sensor_attrs()
839 num_attrs += (sensors->caps.num_sensors * 8); in occ_setup_sensor_attrs()
843 num_attrs += (sensors->caps.num_sensors * 9); in occ_setup_sensor_attrs()
846 sensors->caps.num_sensors = 0; in occ_setup_sensor_attrs()
849 switch (sensors->extended.version) { in occ_setup_sensor_attrs()
851 num_attrs += (sensors->extended.num_sensors * 3); in occ_setup_sensor_attrs()
854 sensors->extended.num_sensors = 0; in occ_setup_sensor_attrs()
857 occ->attrs = devm_kcalloc(dev, num_attrs, sizeof(*occ->attrs), in occ_setup_sensor_attrs()
859 if (!occ->attrs) in occ_setup_sensor_attrs()
860 return -ENOMEM; in occ_setup_sensor_attrs()
862 /* null-terminated list */ in occ_setup_sensor_attrs()
863 occ->group.attrs = devm_kcalloc(dev, num_attrs + 1, in occ_setup_sensor_attrs()
864 sizeof(*occ->group.attrs), in occ_setup_sensor_attrs()
866 if (!occ->group.attrs) in occ_setup_sensor_attrs()
867 return -ENOMEM; in occ_setup_sensor_attrs()
869 attr = occ->attrs; in occ_setup_sensor_attrs()
871 for (i = 0; i < sensors->temp.num_sensors; ++i) { in occ_setup_sensor_attrs()
873 temp = ((struct temp_sensor_2 *)sensors->temp.data) + i; in occ_setup_sensor_attrs()
879 if (sensors->temp.version == 2 && in occ_setup_sensor_attrs()
880 temp->fru_type == OCC_FRU_TYPE_VRM) { in occ_setup_sensor_attrs()
890 if (sensors->temp.version > 1) { in occ_setup_sensor_attrs()
899 if (sensors->temp.version == 0x10) { in occ_setup_sensor_attrs()
907 for (i = 0; i < sensors->freq.num_sensors; ++i) { in occ_setup_sensor_attrs()
919 if (sensors->power.version == 0xA0) { in occ_setup_sensor_attrs()
921 * Special case for many-attribute power sensor. Split it into in occ_setup_sensor_attrs()
922 * a sensor number per power type, emulating several sensors. in occ_setup_sensor_attrs()
924 for (i = 0; i < sensors->power.num_sensors; ++i) { in occ_setup_sensor_attrs()
933 "power%d_label", s); in occ_setup_sensor_attrs()
938 "power%d_average", s); in occ_setup_sensor_attrs()
943 "power%d_average_interval", s); in occ_setup_sensor_attrs()
948 "power%d_input", s); in occ_setup_sensor_attrs()
955 s = (sensors->power.num_sensors * 4) + 1; in occ_setup_sensor_attrs()
957 for (i = 0; i < sensors->power.num_sensors; ++i) { in occ_setup_sensor_attrs()
961 0, i, "power%d_label", s); in occ_setup_sensor_attrs()
965 1, i, "power%d_average", s); in occ_setup_sensor_attrs()
969 2, i, "power%d_average_interval", s); in occ_setup_sensor_attrs()
973 3, i, "power%d_input", s); in occ_setup_sensor_attrs()
977 s = sensors->power.num_sensors + 1; in occ_setup_sensor_attrs()
980 if (sensors->caps.num_sensors >= 1) { in occ_setup_sensor_attrs()
982 0, 0, "power%d_label", s); in occ_setup_sensor_attrs()
986 1, 0, "power%d_cap", s); in occ_setup_sensor_attrs()
990 2, 0, "power%d_input", s); in occ_setup_sensor_attrs()
994 3, 0, "power%d_cap_not_redundant", s); in occ_setup_sensor_attrs()
998 4, 0, "power%d_cap_max", s); in occ_setup_sensor_attrs()
1002 5, 0, "power%d_cap_min", s); in occ_setup_sensor_attrs()
1006 6, 0, "power%d_cap_user", s); in occ_setup_sensor_attrs()
1009 if (sensors->caps.version > 1) { in occ_setup_sensor_attrs()
1011 7, 0, "power%d_cap_user_source", s); in occ_setup_sensor_attrs()
1014 if (sensors->caps.version > 2) { in occ_setup_sensor_attrs()
1017 "power%d_cap_min_soft", s); in occ_setup_sensor_attrs()
1023 for (i = 0; i < sensors->extended.num_sensors; ++i) { in occ_setup_sensor_attrs()
1041 sysfs_attr_init(&occ->attrs[i].sensor.dev_attr.attr); in occ_setup_sensor_attrs()
1042 occ->group.attrs[i] = &occ->attrs[i].sensor.dev_attr.attr; in occ_setup_sensor_attrs()
1052 struct occ_sensor *sensor; in occ_parse_poll_response() local
1053 struct occ_sensors *sensors = &occ->sensors; in occ_parse_poll_response()
1054 struct occ_response *resp = &occ->resp; in occ_parse_poll_response()
1056 (struct occ_poll_response *)&resp->data[0]; in occ_parse_poll_response()
1057 struct occ_poll_response_header *header = &poll->header; in occ_parse_poll_response()
1058 struct occ_sensor_data_block *block = &poll->block; in occ_parse_poll_response()
1060 dev_info(occ->bus_dev, "OCC found, code level: %.16s\n", in occ_parse_poll_response()
1061 header->occ_code_level); in occ_parse_poll_response()
1063 for (i = 0; i < header->num_sensor_data_blocks; ++i) { in occ_parse_poll_response()
1066 offset = (block->header.num_sensors * in occ_parse_poll_response()
1067 block->header.sensor_length) + sizeof(block->header); in occ_parse_poll_response()
1072 dev_warn(occ->bus_dev, "exceeded response buffer\n"); in occ_parse_poll_response()
1076 dev_dbg(occ->bus_dev, " %04x..%04x: %.4s (%d sensors)\n", in occ_parse_poll_response()
1077 old_offset, offset - 1, block->header.eye_catcher, in occ_parse_poll_response()
1078 block->header.num_sensors); in occ_parse_poll_response()
1080 /* match sensor block type */ in occ_parse_poll_response()
1081 if (strncmp(block->header.eye_catcher, "TEMP", 4) == 0) in occ_parse_poll_response()
1082 sensor = &sensors->temp; in occ_parse_poll_response()
1083 else if (strncmp(block->header.eye_catcher, "FREQ", 4) == 0) in occ_parse_poll_response()
1084 sensor = &sensors->freq; in occ_parse_poll_response()
1085 else if (strncmp(block->header.eye_catcher, "POWR", 4) == 0) in occ_parse_poll_response()
1086 sensor = &sensors->power; in occ_parse_poll_response()
1087 else if (strncmp(block->header.eye_catcher, "CAPS", 4) == 0) in occ_parse_poll_response()
1088 sensor = &sensors->caps; in occ_parse_poll_response()
1089 else if (strncmp(block->header.eye_catcher, "EXTN", 4) == 0) in occ_parse_poll_response()
1090 sensor = &sensors->extended; in occ_parse_poll_response()
1092 dev_warn(occ->bus_dev, "sensor not supported %.4s\n", in occ_parse_poll_response()
1093 block->header.eye_catcher); in occ_parse_poll_response()
1097 sensor->num_sensors = block->header.num_sensors; in occ_parse_poll_response()
1098 sensor->version = block->header.sensor_format; in occ_parse_poll_response()
1099 sensor->data = &block->data; in occ_parse_poll_response()
1102 dev_dbg(occ->bus_dev, "Max resp size: %u+%zd=%zd\n", size, in occ_parse_poll_response()
1108 int rc = mutex_lock_interruptible(&occ->lock); in occ_active()
1114 if (occ->active) { in occ_active()
1115 rc = -EALREADY; in occ_active()
1119 occ->error_count = 0; in occ_active()
1120 occ->last_safe = 0; in occ_active()
1124 dev_err(occ->bus_dev, in occ_active()
1126 occ->resp.return_status, rc); in occ_active()
1130 occ->active = true; in occ_active()
1131 occ->next_update = jiffies + OCC_UPDATE_FREQUENCY; in occ_active()
1136 dev_err(occ->bus_dev, in occ_active()
1137 "failed to setup sensor attrs: %d\n", rc); in occ_active()
1141 occ->hwmon = hwmon_device_register_with_groups(occ->bus_dev, in occ_active()
1143 occ->groups); in occ_active()
1144 if (IS_ERR(occ->hwmon)) { in occ_active()
1145 rc = PTR_ERR(occ->hwmon); in occ_active()
1146 occ->hwmon = NULL; in occ_active()
1147 dev_err(occ->bus_dev, in occ_active()
1152 if (!occ->active) { in occ_active()
1153 rc = -EALREADY; in occ_active()
1157 if (occ->hwmon) in occ_active()
1158 hwmon_device_unregister(occ->hwmon); in occ_active()
1159 occ->active = false; in occ_active()
1160 occ->hwmon = NULL; in occ_active()
1164 mutex_unlock(&occ->lock); in occ_active()
1172 mutex_init(&occ->lock); in occ_setup()
1173 occ->groups[0] = &occ->group; in occ_setup()
1177 dev_err(occ->bus_dev, "failed to setup sysfs: %d\n", rc); in occ_setup()
1181 if (!device_property_read_bool(occ->bus_dev, "ibm,no-poll-on-init")) { in occ_setup()
1193 mutex_lock(&occ->lock); in occ_shutdown()
1197 if (occ->hwmon) in occ_shutdown()
1198 hwmon_device_unregister(occ->hwmon); in occ_shutdown()
1199 occ->hwmon = NULL; in occ_shutdown()
1201 mutex_unlock(&occ->lock); in occ_shutdown()