| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <ddk/debug.h> |
| #include <ddk/metadata.h> |
| #include <ddk/platform-defs.h> |
| #include <fuchsia/hardware/thermal/c/fidl.h> |
| #include <soc/mt8167/mt8167-clk.h> |
| #include <soc/mt8167/mt8167-hw.h> |
| |
| #include "mt8167.h" |
| |
| namespace { |
| |
| constexpr pbus_mmio_t thermal_mmios[] = { |
| { |
| .base = MT8167_THERMAL_BASE, |
| .length = MT8167_THERMAL_SIZE |
| }, |
| { |
| .base = MT8167_FUSE_BASE, |
| .length = MT8167_FUSE_SIZE |
| }, |
| { |
| .base = MT8167_AP_MIXED_SYS_BASE, |
| .length = MT8167_AP_MIXED_SYS_SIZE |
| }, |
| { |
| .base = MT8167_PMIC_WRAP_BASE, |
| .length = MT8167_PMIC_WRAP_SIZE |
| }, |
| { |
| .base = MT8167_INFRACFG_BASE, |
| .length = MT8167_INFRACFG_SIZE |
| } |
| }; |
| |
| constexpr pbus_clk_t thermal_clks[] = { |
| { |
| .clk = board_mt8167::kClkThem |
| }, |
| { |
| .clk = board_mt8167::kClkAuxAdc |
| }, |
| { |
| .clk = board_mt8167::kClkPmicwrapAp |
| }, |
| { |
| .clk = board_mt8167::kClkPmicwrap26m |
| } |
| }; |
| |
| constexpr pbus_irq_t thermal_irqs[] = { |
| { |
| .irq = MT8167_IRQ_PTP_THERM, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH |
| } |
| }; |
| |
| constexpr uint32_t CToKTenths(uint32_t temp_c) { |
| constexpr uint32_t kKelvinOffset = 2732; // Units: 0.1 degrees C |
| return (temp_c * 10) + kKelvinOffset; |
| } |
| |
| constexpr fuchsia_hardware_thermal_ThermalTemperatureInfo TripPoint(uint32_t temp_c, int32_t opp) { |
| constexpr uint32_t kHysteresis = 2; |
| |
| return { |
| .up_temp = CToKTenths(temp_c + kHysteresis), |
| .down_temp = CToKTenths(temp_c - kHysteresis), |
| .fan_level = 0, |
| .big_cluster_dvfs_opp = opp, |
| .little_cluster_dvfs_opp = 0, |
| .gpu_clk_freq_source = 0 |
| }; |
| } |
| |
| constexpr fuchsia_hardware_thermal_ThermalDeviceInfo thermal_dev_info = { |
| .active_cooling = false, |
| .passive_cooling = true, |
| .gpu_throttling = true, |
| .num_trip_points = 5, |
| .big_little = false, |
| .critical_temp = CToKTenths(120), |
| .trip_point_info = { |
| TripPoint(55, 4), |
| TripPoint(65, 3), |
| TripPoint(75, 2), |
| TripPoint(85, 1), |
| TripPoint(95, 0), |
| }, |
| .opps = { |
| [fuchsia_hardware_thermal_PowerDomain_BIG_CLUSTER_POWER_DOMAIN] = { |
| // See section 3.6 (MTCMOS Domains) of the functional specification document. |
| .opp = { |
| [0] = { |
| .freq_hz = 598000000, |
| .volt_mv = 1150000 |
| }, |
| [1] = { |
| .freq_hz = 747500000, |
| .volt_mv = 1150000 |
| }, |
| [2] = { |
| .freq_hz = 1040000000, |
| .volt_mv = 1200000 |
| }, |
| [3] = { |
| .freq_hz = 1196000000, |
| .volt_mv = 1250000 |
| }, |
| [4] = { |
| .freq_hz = 1300000000, |
| .volt_mv = 1300000 |
| }, |
| }, |
| .latency = 0, |
| .count = 5 |
| }, |
| [fuchsia_hardware_thermal_PowerDomain_LITTLE_CLUSTER_POWER_DOMAIN] = { |
| .opp = {}, |
| .latency = 0, |
| .count = 0 |
| } |
| } |
| }; |
| |
| constexpr pbus_metadata_t thermal_metadata[] = { |
| { |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data_buffer = &thermal_dev_info, |
| .data_size = sizeof(thermal_dev_info) |
| }, |
| }; |
| |
| const pbus_dev_t thermal_dev = []() { |
| pbus_dev_t thermal_dev = {}; |
| thermal_dev.name = "thermal"; |
| thermal_dev.vid = PDEV_VID_MEDIATEK; |
| thermal_dev.did = PDEV_DID_MEDIATEK_THERMAL; |
| thermal_dev.mmio_list = thermal_mmios; |
| thermal_dev.mmio_count = countof(thermal_mmios); |
| thermal_dev.clk_list = thermal_clks; |
| thermal_dev.clk_count = countof(thermal_clks); |
| thermal_dev.metadata_list = thermal_metadata; |
| thermal_dev.metadata_count = countof(thermal_metadata); |
| thermal_dev.irq_list = thermal_irqs; |
| thermal_dev.irq_count = countof(thermal_irqs); |
| thermal_dev.bti_count = 0; |
| thermal_dev.gpio_count = 0; |
| return thermal_dev; |
| }(); |
| |
| } // namespace |
| |
| namespace board_mt8167 { |
| |
| zx_status_t Mt8167::ThermalInit() { |
| zx_status_t status = pbus_.DeviceAdd(&thermal_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd thermal failed: %d\n", __FUNCTION__, status); |
| } |
| |
| return status; |
| } |
| |
| } // namespace board_mt8167 |