| // 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 "src/devices/board/drivers/nelson/nelson.h" |
| |
| #include <assert.h> |
| #include <fidl/fuchsia.hardware.gpio/cpp/wire.h> |
| #include <fidl/fuchsia.hardware.platform.bus/cpp/driver/fidl.h> |
| #include <fidl/fuchsia.hardware.platform.bus/cpp/fidl.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/binding_driver.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/driver.h> |
| #include <lib/ddk/metadata.h> |
| #include <lib/ddk/platform-defs.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <array> |
| |
| #include <bind/fuchsia/amlogic/platform/s905d3/cpp/bind.h> |
| #include <bind/fuchsia/cpp/bind.h> |
| #include <bind/fuchsia/google/platform/cpp/bind.h> |
| #include <bind/fuchsia/gpio/cpp/bind.h> |
| #include <bind/fuchsia/hardware/platform/bus/cpp/bind.h> |
| #include <fbl/algorithm.h> |
| #include <fbl/alloc_checker.h> |
| |
| #include "src/devices/board/drivers/nelson/nelson-gpios.h" |
| |
| namespace nelson { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| namespace fhgpio = fuchsia_hardware_gpio; |
| |
| int Nelson::Thread() { |
| zx_status_t status; |
| |
| // Sysmem is started early so zx_vmo_create_contiguous() works. |
| if ((status = SysmemInit()) != ZX_OK) { |
| zxlogf(ERROR, "%s: SysmemInit() failed: %d", __func__, status); |
| return status; |
| } |
| |
| if ((status = I2cInit()) != ZX_OK) { |
| zxlogf(ERROR, "I2cInit failed: %d", status); |
| } |
| |
| if ((status = SpiInit()) != ZX_OK) { |
| zxlogf(ERROR, "SpiInit failed: %d", status); |
| } |
| |
| if ((status = EmmcInit()) != ZX_OK) { |
| zxlogf(ERROR, "EmmcInit() failed: %d", status); |
| } |
| |
| if ((status = SdioInit()) != ZX_OK) { |
| zxlogf(ERROR, "SdioInit failed: %d", status); |
| } |
| |
| if ((status = LightInit()) != ZX_OK) { |
| zxlogf(ERROR, "LightInit failed: %d", status); |
| } |
| |
| if ((status = ThermalInit()) != ZX_OK) { |
| zxlogf(ERROR, "ThermalInit failed: %d", status); |
| } |
| |
| if ((status = AudioInit()) != ZX_OK) { |
| zxlogf(ERROR, "AudioInit failed: %d", status); |
| } |
| |
| if (OtRadioInit() != ZX_OK) { |
| zxlogf(ERROR, "OtRadioInit failed"); |
| } |
| |
| if ((status = BluetoothInit()) != ZX_OK) { |
| zxlogf(ERROR, "BluetoothInit failed: %d", status); |
| } |
| |
| // ClkInit() must be called after other subsystems that bind to clock have had a chance to add |
| // their init steps. |
| if ((status = ClkInit()) != ZX_OK) { |
| zxlogf(ERROR, "ClkInit failed: %d", status); |
| } |
| clock_init_steps_.clear(); |
| |
| // GpioInit() must be called after other subsystems that bind to GPIO have had a chance to add |
| // their init steps. |
| if ((status = GpioInit()) != ZX_OK) { |
| zxlogf(ERROR, "%s: GpioInit() failed: %d", __func__, status); |
| return status; |
| } |
| gpio_init_steps_.clear(); |
| |
| if ((status = AddPostInitDevice()) != ZX_OK) { |
| zxlogf(ERROR, "%s: AddPostInitDevice() failed: %d", __func__, status); |
| return status; |
| } |
| |
| if ((status = RegistersInit()) != ZX_OK) { |
| zxlogf(ERROR, "RegistersInit failed: %d", status); |
| } |
| |
| if ((status = ButtonsInit()) != ZX_OK) { |
| zxlogf(ERROR, "ButtonsInit failed: %d", status); |
| } |
| |
| if ((status = CpuInit()) != ZX_OK) { |
| zxlogf(ERROR, "CpuInit failed: %d", status); |
| } |
| |
| if ((status = MaliInit()) != ZX_OK) { |
| zxlogf(ERROR, "MaliInit failed: %d", status); |
| } |
| |
| if ((status = UsbInit()) != ZX_OK) { |
| zxlogf(ERROR, "UsbInit failed: %d", status); |
| } |
| |
| if ((status = TouchInit()) != ZX_OK) { |
| zxlogf(ERROR, "TouchInit failed: %d", status); |
| } |
| |
| if ((status = CanvasInit()) != ZX_OK) { |
| zxlogf(ERROR, "CanvasInit failed: %d", status); |
| } |
| |
| if ((status = PwmInit()) != ZX_OK) { |
| zxlogf(ERROR, "PwmInit failed: %d", status); |
| } |
| |
| if ((status = TeeInit()) != ZX_OK) { |
| zxlogf(ERROR, "TeeInit failed: %d", status); |
| } |
| |
| if ((status = VideoInit()) != ZX_OK) { |
| zxlogf(ERROR, "VideoInit failed: %d", status); |
| } |
| |
| if ((status = SecureMemInit()) != ZX_OK) { |
| zxlogf(ERROR, "SecureMemInit failed: %d", status); |
| } |
| |
| if ((status = BacklightInit()) != ZX_OK) { |
| zxlogf(ERROR, "BacklightInit failed: %d", status); |
| } |
| |
| if ((status = PowerInit()) != ZX_OK) { |
| zxlogf(ERROR, "PowerInit failed: %d", status); |
| } |
| |
| if ((status = NnaInit()) != ZX_OK) { |
| zxlogf(ERROR, "NnaInit failed: %d", status); |
| } |
| |
| if (RamCtlInit() != ZX_OK) { |
| zxlogf(ERROR, "RamCtlInit failed"); |
| } |
| |
| if (auto result = AdcInit(); result.is_error()) { |
| zxlogf(ERROR, "AdcInit failed: %d", result.error_value()); |
| } |
| |
| if (ThermistorInit() != ZX_OK) { |
| zxlogf(ERROR, "ThermistorInit failed"); |
| } |
| |
| ZX_ASSERT_MSG(clock_init_steps_.empty(), "Clock init steps added but not applied"); |
| ZX_ASSERT_MSG(gpio_init_steps_.empty(), "GPIO init steps added but not applied"); |
| |
| return ZX_OK; |
| } |
| |
| zx_status_t Nelson::Start() { |
| int rc = thrd_create_with_name( |
| &thread_, [](void* arg) -> int { return reinterpret_cast<Nelson*>(arg)->Thread(); }, this, |
| "nelson-start-thread"); |
| if (rc != thrd_success) { |
| return ZX_ERR_INTERNAL; |
| } |
| return ZX_OK; |
| } |
| |
| void Nelson::DdkRelease() { delete this; } |
| |
| zx_status_t Nelson::Create(void* ctx, zx_device_t* parent) { |
| iommu_protocol_t iommu; |
| auto endpoints = fdf::CreateEndpoints<fuchsia_hardware_platform_bus::PlatformBus>(); |
| if (endpoints.is_error()) { |
| return endpoints.error_value(); |
| } |
| |
| zx_status_t status = device_connect_runtime_protocol( |
| parent, fpbus::Service::PlatformBus::ServiceName, fpbus::Service::PlatformBus::Name, |
| endpoints->server.TakeHandle().release()); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| status = device_get_protocol(parent, ZX_PROTOCOL_IOMMU, &iommu); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| fbl::AllocChecker ac; |
| auto board = fbl::make_unique_checked<Nelson>(&ac, parent, std::move(endpoints->client), &iommu); |
| if (!ac.check()) { |
| return ZX_ERR_NO_MEMORY; |
| } |
| |
| { |
| fuchsia_hardware_platform_bus::Service::InstanceHandler handler({ |
| .platform_bus = fit::bind_member<&Nelson::Serve>(board.get()), |
| }); |
| auto result = |
| board->outgoing_.AddService<fuchsia_hardware_platform_bus::Service>(std::move(handler)); |
| if (result.is_error()) { |
| zxlogf(ERROR, "AddService failed: %s", result.status_string()); |
| return result.error_value(); |
| } |
| } |
| |
| auto directory_endpoints = fidl::CreateEndpoints<fuchsia_io::Directory>(); |
| if (directory_endpoints.is_error()) { |
| return directory_endpoints.status_value(); |
| } |
| |
| { |
| auto result = board->outgoing_.Serve(std::move(directory_endpoints->server)); |
| if (result.is_error()) { |
| zxlogf(ERROR, "Failed to serve the outgoing directory: %s", result.status_string()); |
| return result.error_value(); |
| } |
| } |
| |
| constexpr zx_device_prop_t kBoardDriverProps[] = { |
| {BIND_PLATFORM_DEV_VID, 0, bind_fuchsia_google_platform::BIND_PLATFORM_DEV_VID_GOOGLE}, |
| {BIND_PLATFORM_DEV_PID, 0, bind_fuchsia_google_platform::BIND_PLATFORM_DEV_PID_NELSON}, |
| {BIND_PLATFORM_DEV_INSTANCE_ID, 0, 1}, |
| }; |
| |
| const char* fidl_service_offers[] = {fuchsia_hardware_platform_bus::Service::Name}; |
| status = board->DdkAdd(ddk::DeviceAddArgs("nelson") |
| .set_props(kBoardDriverProps) |
| .set_outgoing_dir(directory_endpoints->client.TakeChannel()) |
| .set_runtime_service_offers({fidl_service_offers, 1}) |
| .forward_metadata(parent, DEVICE_METADATA_BOARD_PRIVATE)); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| // Start up our protocol helpers and platform devices. |
| status = board->Start(); |
| if (status == ZX_OK) { |
| // devmgr is now in charge of the device. |
| [[maybe_unused]] auto* dummy = board.release(); |
| } |
| return status; |
| } |
| |
| zx_status_t Nelson::AddPostInitDevice() { |
| constexpr std::array<uint32_t, 8> kPostInitGpios{ |
| bind_fuchsia_amlogic_platform_s905d3::GPIOZ_PIN_ID_PIN_7, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOZ_PIN_ID_PIN_8, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOZ_PIN_ID_PIN_3, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOZ_PIN_ID_PIN_0, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOAO_PIN_ID_PIN_4, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOZ_PIN_ID_PIN_11, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOZ_PIN_ID_PIN_12, |
| bind_fuchsia_amlogic_platform_s905d3::GPIOH_PIN_ID_PIN_8, |
| }; |
| |
| const ddk::BindRule post_init_rules[] = { |
| ddk::MakeAcceptBindRule(bind_fuchsia_hardware_platform_bus::SERVICE, |
| bind_fuchsia_hardware_platform_bus::SERVICE_DRIVERTRANSPORT), |
| ddk::MakeAcceptBindRule(bind_fuchsia::PLATFORM_DEV_VID, |
| bind_fuchsia_google_platform::BIND_PLATFORM_DEV_VID_GOOGLE), |
| ddk::MakeAcceptBindRule(bind_fuchsia::PLATFORM_DEV_PID, |
| bind_fuchsia_google_platform::BIND_PLATFORM_DEV_PID_NELSON), |
| ddk::MakeAcceptBindRule(bind_fuchsia::PLATFORM_DEV_INSTANCE_ID, 1u), |
| }; |
| const device_bind_prop_t post_init_properties[] = { |
| ddk::MakeProperty(bind_fuchsia_hardware_platform_bus::SERVICE, |
| bind_fuchsia_hardware_platform_bus::SERVICE_DRIVERTRANSPORT), |
| ddk::MakeProperty(bind_fuchsia::PLATFORM_DEV_VID, |
| bind_fuchsia_google_platform::BIND_PLATFORM_DEV_VID_GOOGLE), |
| ddk::MakeProperty(bind_fuchsia::PLATFORM_DEV_PID, |
| bind_fuchsia_google_platform::BIND_PLATFORM_DEV_PID_NELSON), |
| ddk::MakeProperty(bind_fuchsia::PLATFORM_DEV_INSTANCE_ID, 1u), |
| }; |
| |
| auto spec = ddk::CompositeNodeSpec(post_init_rules, post_init_properties); |
| for (const uint32_t pin : kPostInitGpios) { |
| const ddk::BindRule gpio_rules[] = { |
| ddk::MakeAcceptBindRule(bind_fuchsia::PROTOCOL, bind_fuchsia_gpio::BIND_PROTOCOL_DEVICE), |
| ddk::MakeAcceptBindRule(bind_fuchsia::GPIO_PIN, pin), |
| }; |
| const device_bind_prop_t gpio_properties[] = { |
| ddk::MakeProperty(bind_fuchsia::PROTOCOL, bind_fuchsia_gpio::BIND_PROTOCOL_DEVICE), |
| ddk::MakeProperty(bind_fuchsia::GPIO_PIN, pin), |
| }; |
| spec.AddParentSpec(gpio_rules, gpio_properties); |
| } |
| |
| if (zx_status_t status = DdkAddCompositeNodeSpec("post-init", spec); status != ZX_OK) { |
| zxlogf(ERROR, "Failed to add board info composite: %s", zx_status_get_string(status)); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| static zx_driver_ops_t nelson_driver_ops = []() { |
| zx_driver_ops_t ops = {}; |
| ops.version = DRIVER_OPS_VERSION; |
| ops.bind = Nelson::Create; |
| return ops; |
| }(); |
| |
| } // namespace nelson |
| |
| ZIRCON_DRIVER(nelson, nelson::nelson_driver_ops, "zircon", "0.1"); |