| // 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 <fidl/fuchsia.hardware.platform.bus/cpp/driver/fidl.h> |
| #include <fidl/fuchsia.hardware.platform.bus/cpp/fidl.h> |
| #include <fidl/fuchsia.hardware.thermal/cpp/wire.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/metadata.h> |
| #include <lib/ddk/platform-defs.h> |
| #include <lib/driver/component/cpp/composite_node_spec.h> |
| #include <lib/driver/component/cpp/node_add_args.h> |
| #include <zircon/syscalls/smc.h> |
| |
| #include <bind/fuchsia/amlogic/platform/cpp/bind.h> |
| #include <bind/fuchsia/clock/cpp/bind.h> |
| #include <bind/fuchsia/cpp/bind.h> |
| #include <bind/fuchsia/gpio/cpp/bind.h> |
| #include <bind/fuchsia/hardware/clock/cpp/bind.h> |
| #include <bind/fuchsia/hardware/pwm/cpp/bind.h> |
| #include <bind/fuchsia/pwm/cpp/bind.h> |
| #include <soc/aml-common/aml-thermal.h> |
| #include <soc/aml-meson/sm1-clk.h> |
| #include <soc/aml-s905d3/s905d3-gpio.h> |
| #include <soc/aml-s905d3/s905d3-hw.h> |
| #include <soc/aml-s905d3/s905d3-pwm.h> |
| |
| #include "nelson.h" |
| |
| namespace fdf { |
| using namespace fuchsia_driver_framework; |
| } // namespace fdf |
| |
| namespace nelson { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| |
| static const std::vector<fpbus::Mmio> thermal_mmios{ |
| {{ |
| .base = S905D3_TEMP_SENSOR_BASE, |
| .length = S905D3_TEMP_SENSOR_LENGTH, |
| }}, |
| {{ |
| .base = S905D3_TEMP_SENSOR_TRIM, |
| .length = S905D3_TEMP_SENSOR_TRIM_LENGTH, |
| }}, |
| {{ |
| .base = S905D3_HIU_BASE, |
| .length = S905D3_HIU_LENGTH, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Irq> thermal_irqs{ |
| {{ |
| .irq = S905D3_TS_PLL_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Smc> thermal_smcs{ |
| {{ |
| .service_call_num_base = ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_BASE, |
| .count = ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_LENGTH, |
| .exclusive = false, |
| }}, |
| }; |
| |
| constexpr fuchsia_hardware_thermal::wire::ThermalTemperatureInfo TripPoint(float temp_c, |
| float hysteresis_c, |
| uint16_t cpu_opp, |
| uint16_t gpu_opp) { |
| return { |
| .up_temp_celsius = temp_c + hysteresis_c, |
| .down_temp_celsius = temp_c - hysteresis_c, |
| .fan_level = 0, |
| .big_cluster_dvfs_opp = cpu_opp, |
| .little_cluster_dvfs_opp = 0, |
| .gpu_clk_freq_source = gpu_opp, |
| }; |
| } |
| |
| /* |
| * GPU_CLK_FREQUENCY_SOURCE - |
| * 0 - 285.7 MHz |
| * 1 - 400 MHz |
| * 2 - 500 MHz |
| * 3 - 666 MHz |
| * 4 - 800 MHz |
| * 5 - 846 MHz |
| */ |
| static const fuchsia_hardware_thermal::wire::ThermalDeviceInfo nelson_config = { |
| .active_cooling = false, |
| .passive_cooling = true, |
| .gpu_throttling = true, |
| .num_trip_points = 5, |
| .big_little = false, |
| .critical_temp_celsius = 110.0f, |
| .trip_point_info = |
| { |
| // The first trip point entry is the default state of the machine |
| // and the driver does not use the specified temperature/hysterisis |
| // to set any interrupt trip points. |
| TripPoint(0.0f, 5.0f, 11, 5), |
| TripPoint(60.0f, 5.0f, 9, 4), |
| TripPoint(75.0f, 5.0f, 8, 3), |
| TripPoint(80.0f, 5.0f, 7, 2), |
| TripPoint(110.0f, 1.0f, 0, 0), |
| // 0 Kelvin is impossible, marks end of TripPoints |
| TripPoint(-273.15f, 2.0f, 0, 0), |
| }, |
| .opps = {}, |
| }; |
| |
| static const aml_thermal_info_t aml_thermal_info = { |
| .voltage_table = |
| { |
| {.microvolt = 1'050'000, .duty_cycle = 0}, {.microvolt = 1'040'000, .duty_cycle = 3}, |
| {.microvolt = 1'030'000, .duty_cycle = 6}, {.microvolt = 1'020'000, .duty_cycle = 8}, |
| {.microvolt = 1'010'000, .duty_cycle = 11}, {.microvolt = 1'000'000, .duty_cycle = 14}, |
| {.microvolt = 990'000, .duty_cycle = 17}, {.microvolt = 980'000, .duty_cycle = 20}, |
| {.microvolt = 970'000, .duty_cycle = 23}, {.microvolt = 960'000, .duty_cycle = 26}, |
| {.microvolt = 950'000, .duty_cycle = 29}, {.microvolt = 940'000, .duty_cycle = 31}, |
| {.microvolt = 930'000, .duty_cycle = 34}, {.microvolt = 920'000, .duty_cycle = 37}, |
| {.microvolt = 910'000, .duty_cycle = 40}, {.microvolt = 900'000, .duty_cycle = 43}, |
| {.microvolt = 890'000, .duty_cycle = 45}, {.microvolt = 880'000, .duty_cycle = 48}, |
| {.microvolt = 870'000, .duty_cycle = 51}, {.microvolt = 860'000, .duty_cycle = 54}, |
| {.microvolt = 850'000, .duty_cycle = 56}, {.microvolt = 840'000, .duty_cycle = 59}, |
| {.microvolt = 830'000, .duty_cycle = 62}, {.microvolt = 820'000, .duty_cycle = 65}, |
| {.microvolt = 810'000, .duty_cycle = 68}, {.microvolt = 800'000, .duty_cycle = 70}, |
| {.microvolt = 790'000, .duty_cycle = 73}, {.microvolt = 780'000, .duty_cycle = 76}, |
| {.microvolt = 770'000, .duty_cycle = 79}, {.microvolt = 760'000, .duty_cycle = 81}, |
| {.microvolt = 750'000, .duty_cycle = 84}, {.microvolt = 740'000, .duty_cycle = 87}, |
| {.microvolt = 730'000, .duty_cycle = 89}, {.microvolt = 720'000, .duty_cycle = 92}, |
| {.microvolt = 710'000, .duty_cycle = 95}, {.microvolt = 700'000, .duty_cycle = 98}, |
| {.microvolt = 690'000, .duty_cycle = 100}, |
| }, |
| .initial_cluster_frequencies = |
| { |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wc99-designator" |
| [static_cast<uint32_t>( |
| fuchsia_hardware_thermal::wire::PowerDomain::kBigClusterPowerDomain)] = |
| 1'200'000'000, |
| #pragma GCC diagnostic pop |
| }, |
| .voltage_pwm_period_ns = 1500, |
| .opps = |
| { |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wc99-designator" |
| [static_cast<uint32_t>( |
| fuchsia_hardware_thermal::wire::PowerDomain::kBigClusterPowerDomain)] = |
| #pragma GCC diagnostic pop |
| { |
| { |
| .opp = |
| { |
| fuchsia_hardware_thermal::wire::OperatingPointEntry{ |
| .freq_hz = 100'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 250'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 500'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 667'000'000, .volt_uv = 780'000}, |
| {.freq_hz = 1'000'000'000, .volt_uv = 800'000}, |
| {.freq_hz = 1'200'000'000, .volt_uv = 810'000}, |
| {.freq_hz = 1'404'000'000, .volt_uv = 820'000}, |
| {.freq_hz = 1'512'000'000, .volt_uv = 830'000}, |
| {.freq_hz = 1'608'000'000, .volt_uv = 860'000}, |
| {.freq_hz = 1'704'000'000, .volt_uv = 900'000}, |
| {.freq_hz = 1'800'000'000, .volt_uv = 940'000}, |
| {.freq_hz = 1'908'000'000, .volt_uv = 970'000}, |
| }, |
| .latency = 0, |
| .count = 12, |
| }, |
| { |
| .opp = |
| { |
| fuchsia_hardware_thermal::wire::OperatingPointEntry{ |
| .freq_hz = 100'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 250'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 500'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 667'000'000, .volt_uv = 780'000}, |
| {.freq_hz = 1'000'000'000, .volt_uv = 800'000}, |
| {.freq_hz = 1'200'000'000, .volt_uv = 810'000}, |
| {.freq_hz = 1'404'000'000, .volt_uv = 820'000}, |
| {.freq_hz = 1'500'000'000, .volt_uv = 830'000}, |
| {.freq_hz = 1'608'000'000, .volt_uv = 860'000}, |
| {.freq_hz = 1'704'000'000, .volt_uv = 900'000}, |
| {.freq_hz = 1'800'000'000, .volt_uv = 910'000}, |
| {.freq_hz = 1'908'000'000, .volt_uv = 910'000}, |
| }, |
| .latency = 0, |
| .count = 12, |
| }, |
| { |
| .opp = |
| { |
| fuchsia_hardware_thermal::wire::OperatingPointEntry{ |
| .freq_hz = 100'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 250'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 500'000'000, .volt_uv = 760'000}, |
| {.freq_hz = 667'000'000, .volt_uv = 780'000}, |
| {.freq_hz = 1'000'000'000, .volt_uv = 800'000}, |
| {.freq_hz = 1'200'000'000, .volt_uv = 810'000}, |
| {.freq_hz = 1'404'000'000, .volt_uv = 820'000}, |
| {.freq_hz = 1'500'000'000, .volt_uv = 830'000}, |
| {.freq_hz = 1'608'000'000, .volt_uv = 860'000}, |
| {.freq_hz = 1'704'000'000, .volt_uv = 860'000}, |
| {.freq_hz = 1'800'000'000, .volt_uv = 860'000}, |
| {.freq_hz = 1'908'000'000, .volt_uv = 860'000}, |
| }, |
| .latency = 0, |
| .count = 12, |
| }, |
| }, |
| }, |
| .cluster_id_map = |
| { |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wc99-designator" |
| [static_cast<uint32_t>( |
| fuchsia_hardware_thermal::wire::PowerDomain::kBigClusterPowerDomain)] = 0, |
| #pragma GCC diagnostic pop |
| }, |
| }; |
| |
| static const std::vector<fpbus::Metadata> thermal_metadata{ |
| {{ |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data = std::vector<uint8_t>( |
| reinterpret_cast<const uint8_t*>(&nelson_config), |
| reinterpret_cast<const uint8_t*>(&nelson_config) + sizeof(nelson_config)), |
| }}, |
| {{ |
| .type = DEVICE_METADATA_PRIVATE, |
| .data = std::vector<uint8_t>( |
| reinterpret_cast<const uint8_t*>(&aml_thermal_info), |
| reinterpret_cast<const uint8_t*>(&aml_thermal_info) + sizeof(aml_thermal_info)), |
| }}, |
| }; |
| |
| const std::vector<fdf::BindRule> kPwmRules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia_hardware_pwm::SERVICE, |
| bind_fuchsia_hardware_pwm::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeAcceptBindRule(bind_fuchsia::PWM_ID, static_cast<uint32_t>(S905D3_PWM_AO_D)), |
| }; |
| |
| const std::vector<fdf::NodeProperty> kPwmProperties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia_hardware_pwm::SERVICE, |
| bind_fuchsia_hardware_pwm::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeProperty(bind_fuchsia_pwm::PWM_ID_FUNCTION, |
| bind_fuchsia_pwm::PWM_ID_FUNCTION_CORE_POWER_BIG_CLUSTER), |
| }; |
| |
| const std::vector<fdf::BindRule> kGpioInitRules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia::INIT_STEP, bind_fuchsia_gpio::BIND_INIT_STEP_GPIO), |
| }; |
| |
| const std::vector<fdf::NodeProperty> kGpioInitProperties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia::INIT_STEP, bind_fuchsia_gpio::BIND_INIT_STEP_GPIO), |
| }; |
| |
| // Contains all the clock parent nodes for the composite. Maps the clock id to the clock function. |
| const std::map<uint32_t, std::string> kClockFunctionMap = { |
| {sm1_clk::CLK_SYS_PLL_DIV16, bind_fuchsia_clock::FUNCTION_SYS_PLL_DIV16}, |
| {sm1_clk::CLK_SYS_CPU_CLK_DIV16, bind_fuchsia_clock::FUNCTION_SYS_CPU_DIV16}, |
| }; |
| |
| static const fpbus::Node thermal_dev = []() { |
| fpbus::Node dev = {}; |
| dev.name() = "aml-thermal-pll"; |
| dev.vid() = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_VID_AMLOGIC; |
| dev.pid() = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_PID_S905D3; |
| dev.did() = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_DID_THERMAL_PLL; |
| dev.mmio() = thermal_mmios; |
| dev.irq() = thermal_irqs; |
| dev.metadata() = thermal_metadata; |
| dev.smc() = thermal_smcs; |
| return dev; |
| }(); |
| |
| zx_status_t Nelson::ThermalInit() { |
| // Configure the GPIO to be Output & set it to alternate |
| // function 3 which puts in PWM_D mode. |
| gpio_init_steps_.push_back({S905D3_PWM_D_PIN, GpioConfigOut(0)}); |
| |
| gpio_init_steps_.push_back({S905D3_PWM_D_PIN, GpioSetAltFunction(S905D3_PWM_D_FN)}); |
| |
| fidl::Arena<> fidl_arena; |
| fdf::Arena arena('THER'); |
| |
| std::vector<fdf::ParentSpec> parents = {fdf::ParentSpec{{kPwmRules, kPwmProperties}}, |
| fdf::ParentSpec{{kGpioInitRules, kGpioInitProperties}}}; |
| parents.reserve(parents.size() + kClockFunctionMap.size()); |
| for (auto& [clock_id, function] : kClockFunctionMap) { |
| auto rules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia_hardware_clock::SERVICE, |
| bind_fuchsia_hardware_clock::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeAcceptBindRule(bind_fuchsia::CLOCK_ID, clock_id), |
| }; |
| auto properties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia_hardware_clock::SERVICE, |
| bind_fuchsia_hardware_clock::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeProperty(bind_fuchsia_clock::FUNCTION, function), |
| }; |
| parents.push_back(fdf::ParentSpec{{rules, properties}}); |
| } |
| |
| auto result = pbus_.buffer(arena)->AddCompositeNodeSpec( |
| fidl::ToWire(fidl_arena, thermal_dev), |
| fidl::ToWire(fidl_arena, fuchsia_driver_framework::CompositeNodeSpec{ |
| {.name = "aml_thermal_pll", .parents = parents}})); |
| if (!result.ok()) { |
| zxlogf(ERROR, "AddCompositeNodeSpec Thermal(thermal_dev) request failed: %s", |
| result.FormatDescription().data()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "AddCompositeNodeSpec Thermal(thermal_dev) failed: %s", |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| return ZX_OK; |
| } |
| |
| } // namespace nelson |
