Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 1 | /** |
| 2 | * Copyright © 2017 IBM Corporation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame^] | 16 | #include <phosphor-logging/log.hpp> |
| 17 | #include <phosphor-logging/elog.hpp> |
| 18 | #include <xyz/openbmc_project/Sensor/Device/error.hpp> |
| 19 | #include <xyz/openbmc_project/Control/Device/error.hpp> |
| 20 | #include <xyz/openbmc_project/Power/Fault/error.hpp> |
| 21 | #include "elog-errors.hpp" |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 22 | #include "power_supply.hpp" |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame^] | 23 | #include "pmbus.hpp" |
| 24 | #include "utility.hpp" |
| 25 | |
| 26 | using namespace phosphor::logging; |
| 27 | using namespace sdbusplus::xyz::openbmc_project::Control::Device::Error; |
| 28 | using namespace sdbusplus::xyz::openbmc_project::Sensor::Device::Error; |
| 29 | using namespace sdbusplus::xyz::openbmc_project::Power::Fault::Error; |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 30 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 31 | namespace witherspoon |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 32 | { |
| 33 | namespace power |
| 34 | { |
| 35 | namespace psu |
| 36 | { |
| 37 | |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame^] | 38 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 39 | void PowerSupply::analyze() |
| 40 | { |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame^] | 41 | using namespace witherspoon::pmbus; |
| 42 | |
| 43 | try |
| 44 | { |
| 45 | auto curUVFault = pmbusIntf.readBit(VIN_UV_FAULT, Type::Hwmon); |
| 46 | //TODO: 3 consecutive reads should be performed. |
| 47 | // If 3 consecutive reads are seen, log the fault. |
| 48 | // Driver gives cached value, read once a second. |
| 49 | // increment for fault on, decrement for fault off, to deglitch. |
| 50 | // If count reaches 3, we have fault. If count reaches 0, fault is |
| 51 | // cleared. |
| 52 | |
| 53 | //TODO: INPUT FAULT or WARNING bit to check from STATUS_WORD |
| 54 | // pmbus-core update to read high byte of STATUS_WORD? |
| 55 | |
| 56 | if ((curUVFault != vinUVFault) || inputFault) |
| 57 | { |
| 58 | if (curUVFault) |
| 59 | { |
| 60 | //FIXME - metadata |
| 61 | report<PowerSupplyUnderVoltageFault>(); |
| 62 | vinUVFault = true; |
| 63 | } |
| 64 | else |
| 65 | { |
| 66 | log<level::INFO>("VIN_UV_FAULT cleared"); |
| 67 | vinUVFault = false; |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | catch (ReadFailure& e) |
| 72 | { |
| 73 | if (!readFailLogged) |
| 74 | { |
| 75 | commit<ReadFailure>(); |
| 76 | readFailLogged = true; |
| 77 | // TODO - Need to reset that to false at start of power on, or |
| 78 | // presence change. |
| 79 | } |
| 80 | } |
| 81 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 82 | return; |
| 83 | } |
| 84 | |
| 85 | void PowerSupply::clearFaults() |
| 86 | { |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame^] | 87 | //TODO - Clear faults at pre-poweron. |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 88 | return; |
| 89 | } |
| 90 | |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 91 | } |
| 92 | } |
| 93 | } |