| // 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 <fuchsia/hardware/thermal/c/fidl.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/platform-defs.h> |
| |
| #include <lib/ddk/metadata.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| |
| #include "astro.h" |
| |
| namespace astro { |
| |
| static const pbus_mmio_t thermal_mmios_pll[] = { |
| { |
| .base = S905D2_TEMP_SENSOR_PLL_BASE, |
| .length = S905D2_TEMP_SENSOR_PLL_LENGTH, |
| }, |
| { |
| .base = S905D2_TEMP_SENSOR_PLL_TRIM, |
| .length = S905D2_TEMP_SENSOR_TRIM_LENGTH, |
| }, |
| { |
| .base = S905D2_HIU_BASE, |
| .length = S905D2_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_mmio_t thermal_mmios_ddr[] = { |
| { |
| .base = S905D2_TEMP_SENSOR_DDR_BASE, |
| .length = S905D2_TEMP_SENSOR_DDR_LENGTH, |
| }, |
| { |
| .base = S905D2_TEMP_SENSOR_DDR_TRIM, |
| .length = S905D2_TEMP_SENSOR_TRIM_LENGTH, |
| }, |
| { |
| .base = S905D2_HIU_BASE, |
| .length = S905D2_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_irq_t thermal_irqs_pll[] = { |
| { |
| .irq = S905D2_TS_PLL_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_irq_t thermal_irqs_ddr[] = { |
| { |
| .irq = S905D2_TS_DDR_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| constexpr fuchsia_hardware_thermal_ThermalTemperatureInfo TripPoint(float temp_c, uint16_t cpu_opp, |
| uint16_t gpu_opp) { |
| constexpr float kHysteresis = 2.0f; |
| |
| return { |
| .up_temp_celsius = temp_c + kHysteresis, |
| .down_temp_celsius = temp_c - kHysteresis, |
| .fan_level = 0, |
| .big_cluster_dvfs_opp = cpu_opp, |
| .little_cluster_dvfs_opp = 0, |
| .gpu_clk_freq_source = gpu_opp, |
| }; |
| } |
| |
| fuchsia_hardware_thermal_ThermalDeviceInfo thermal_config_pll = { |
| .active_cooling = false, |
| .passive_cooling = false, |
| .gpu_throttling = false, |
| .num_trip_points = 0, |
| .big_little = false, |
| .critical_temp_celsius = 101.0, |
| .trip_point_info = |
| { |
| TripPoint(-273.15f, 0, 0), // 0 Kelvin is impossible, marks end of TripPoints |
| }, |
| .opps = {}}; |
| |
| fuchsia_hardware_thermal_ThermalDeviceInfo thermal_config_ddr = { |
| .active_cooling = false, |
| .passive_cooling = false, |
| .gpu_throttling = false, |
| .num_trip_points = 0, |
| .big_little = false, |
| .critical_temp_celsius = 110.0, |
| .trip_point_info = |
| { |
| TripPoint(-273.15f, 0, 0), // 0 Kelvin is impossible, marks end of TripPoints |
| }, |
| .opps = {}}; |
| |
| static const pbus_metadata_t thermal_metadata_pll[] = { |
| { |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&thermal_config_pll), |
| .data_size = sizeof(thermal_config_pll), |
| }, |
| }; |
| |
| static const pbus_metadata_t thermal_metadata_ddr[] = { |
| { |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&thermal_config_ddr), |
| .data_size = sizeof(thermal_config_ddr), |
| }, |
| }; |
| |
| static pbus_dev_t thermal_dev_pll = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "aml-thermal-pll"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_AMLOGIC_S905D2; |
| dev.did = PDEV_DID_AMLOGIC_THERMAL_PLL; |
| dev.mmio_list = thermal_mmios_pll; |
| dev.mmio_count = countof(thermal_mmios_pll); |
| dev.irq_list = thermal_irqs_pll; |
| dev.irq_count = countof(thermal_irqs_pll); |
| dev.metadata_list = thermal_metadata_pll; |
| dev.metadata_count = countof(thermal_metadata_pll); |
| return dev; |
| }(); |
| |
| static pbus_dev_t thermal_dev_ddr = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "aml-thermal-ddr"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_AMLOGIC_S905D2; |
| dev.did = PDEV_DID_AMLOGIC_THERMAL_DDR; |
| dev.mmio_list = thermal_mmios_ddr; |
| dev.mmio_count = countof(thermal_mmios_ddr); |
| dev.irq_list = thermal_irqs_ddr; |
| dev.irq_count = countof(thermal_irqs_ddr); |
| dev.metadata_list = thermal_metadata_ddr; |
| dev.metadata_count = countof(thermal_metadata_ddr); |
| return dev; |
| }(); |
| |
| zx_status_t Astro::ThermalInit() { |
| zx_status_t status; |
| |
| status = pbus_.DeviceAdd(&thermal_dev_pll); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed: %d", __func__, status); |
| return status; |
| } |
| |
| status = pbus_.DeviceAdd(&thermal_dev_ddr); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed: %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace astro |