Shawn McCarney | b545144 | 2024-05-03 10:31:21 -0500 | [diff] [blame] | 1 | /** |
| 2 | * Copyright © 2024 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 | */ |
| 16 | |
| 17 | #include "ucd90160_device.hpp" |
| 18 | |
| 19 | #include "format_utils.hpp" |
| 20 | #include "standard_device.hpp" |
| 21 | |
| 22 | #include <algorithm> |
| 23 | #include <array> |
| 24 | #include <format> |
| 25 | #include <span> |
| 26 | |
| 27 | namespace phosphor::power::sequencer |
| 28 | { |
| 29 | |
| 30 | /** |
| 31 | * UCD90160 GPIO names. |
| 32 | * |
| 33 | * The array indices correspond to the Pin IDs defined in the UCD90160 PMBus |
| 34 | * interface documentation. These Pin IDs are the same as the libgpiod line |
| 35 | * offsets used to obtain the GPIO values. |
| 36 | */ |
| 37 | static constexpr std::array<const char*, 26> gpioNames = { |
| 38 | "FPWM1_GPIO5", "FPWM2_GPIO6", "FPWM3_GPIO7", "FPWM4_GPIO8", |
| 39 | "FPWM5_GPIO9", "FPWM6_GPIO10", "FPWM7_GPIO11", "FPWM8_GPIO12", |
| 40 | "GPI1_PWM1", "GPI2_PWM2", "GPI3_PWM3", "GPI4_PWM4", |
| 41 | "GPIO14", "GPIO15", "TDO_GPIO20", "TCK_GPIO19", |
| 42 | "TMS_GPIO22", "TDI_GPIO21", "GPIO1", "GPIO2", |
| 43 | "GPIO3", "GPIO4", "GPIO13", "GPIO16", |
| 44 | "GPIO17", "GPIO18"}; |
| 45 | |
| 46 | void UCD90160Device::storeGPIOValues( |
| 47 | Services& services, const std::vector<int>& values, |
| 48 | std::map<std::string, std::string>& additionalData) |
| 49 | { |
| 50 | // Verify the expected number of GPIO values were passed in |
| 51 | if (values.size() != gpioNames.size()) |
| 52 | { |
| 53 | // Unexpected number of values; store as a plain list of integers |
| 54 | StandardDevice::storeGPIOValues(services, values, additionalData); |
| 55 | return; |
| 56 | } |
| 57 | |
| 58 | // Store GPIO names and values in additional data and journal. |
| 59 | // Use groups of GPIOs in journal to minimize number of entries. |
| 60 | services.logInfoMsg(std::format("Device {} GPIO values:", name)); |
| 61 | unsigned int groupSize{4}; |
| 62 | auto namesSpan = std::span{gpioNames}; |
| 63 | auto valuesSpan = std::span{values}; |
| 64 | std::string namesStr, valuesStr; |
| 65 | for (unsigned int i = 0; i < gpioNames.size(); ++i) |
| 66 | { |
| 67 | additionalData.emplace(gpioNames[i], std::format("{}", values[i])); |
| 68 | if ((i % groupSize) == 0) |
| 69 | { |
| 70 | unsigned int gpiosLeft = gpioNames.size() - i; |
| 71 | unsigned int count = std::min(groupSize, gpiosLeft); |
| 72 | namesStr = format_utils::toString(namesSpan.subspan(i, count)); |
| 73 | valuesStr = format_utils::toString(valuesSpan.subspan(i, count)); |
| 74 | services.logInfoMsg(std::format("{}: {}", namesStr, valuesStr)); |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | } // namespace phosphor::power::sequencer |