| // 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.sdmmc/cpp/fidl.h> |
| #include <fidl/fuchsia.wlan.broadcom/cpp/fidl.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/debug.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 <lib/zbi-format/zbi.h> |
| #include <lib/zircon-internal/align.h> |
| |
| #include <bind/fuchsia/amlogic/platform/cpp/bind.h> |
| #include <bind/fuchsia/broadcom/platform/cpp/bind.h> |
| #include <bind/fuchsia/broadcom/platform/sdio/cpp/bind.h> |
| #include <bind/fuchsia/cpp/bind.h> |
| #include <bind/fuchsia/gpio/cpp/bind.h> |
| #include <bind/fuchsia/hardware/gpio/cpp/bind.h> |
| #include <bind/fuchsia/hardware/sdio/cpp/bind.h> |
| #include <bind/fuchsia/platform/cpp/bind.h> |
| #include <bind/fuchsia/pwm/cpp/bind.h> |
| #include <bind/fuchsia/sdio/cpp/bind.h> |
| #include <fbl/algorithm.h> |
| #include <hwreg/bitfields.h> |
| #include <soc/aml-common/aml-sdmmc.h> |
| #include <soc/aml-s905d3/s905d3-gpio.h> |
| #include <soc/aml-s905d3/s905d3-hw.h> |
| |
| #include "nelson-gpios.h" |
| #include "nelson.h" |
| #include "src/devices/lib/broadcom/commands.h" |
| |
| namespace fdf { |
| using namespace fuchsia_driver_framework; |
| } // namespace fdf |
| |
| namespace nelson { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| |
| static const std::vector<fpbus::BootMetadata> wifi_boot_metadata{ |
| {{ |
| .zbi_type = ZBI_TYPE_DRV_MAC_ADDRESS, |
| .zbi_extra = MACADDR_WIFI, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Mmio> sd_emmc_mmios{ |
| {{ |
| .base = S905D3_EMMC_A_SDIO_BASE, |
| .length = S905D3_EMMC_A_SDIO_LENGTH, |
| }}, |
| {{ |
| .base = S905D3_GPIO_BASE, |
| .length = S905D3_GPIO_LENGTH, |
| }}, |
| {{ |
| .base = S905D3_HIU_BASE, |
| .length = S905D3_HIU_LENGTH, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Irq> sd_emmc_irqs{ |
| {{ |
| .irq = S905D3_EMMC_A_SDIO_IRQ, |
| .mode = fpbus::ZirconInterruptMode::kDefault, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Bti> sd_emmc_btis{ |
| {{ |
| .iommu_index = 0, |
| .bti_id = BTI_SDIO, |
| }}, |
| }; |
| |
| // Composite binding rules for wifi driver. |
| |
| // Composite node specs for SDIO. |
| const std::vector<fdf::BindRule2> kPwmRules = std::vector{ |
| fdf::MakeAcceptBindRule2(bind_fuchsia::INIT_STEP, bind_fuchsia_pwm::BIND_INIT_STEP_PWM), |
| }; |
| |
| const std::vector<fdf::NodeProperty2> kPwmProperties = std::vector{ |
| fdf::MakeProperty2(bind_fuchsia::INIT_STEP, bind_fuchsia_pwm::BIND_INIT_STEP_PWM), |
| }; |
| |
| const std::vector<fdf::BindRule2> kGpioResetRules = std::vector{ |
| fdf::MakeAcceptBindRule2(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeAcceptBindRule2(bind_fuchsia::GPIO_PIN, static_cast<uint32_t>(GPIO_SOC_WIFI_REG_ON)), |
| }; |
| |
| const std::vector<fdf::NodeProperty2> kGpioResetProperties = std::vector{ |
| fdf::MakeProperty2(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeProperty2(bind_fuchsia_gpio::FUNCTION, bind_fuchsia_gpio::FUNCTION_SDMMC_RESET), |
| }; |
| |
| const std::vector<fdf::BindRule2> kGpioInitRules = std::vector{ |
| fdf::MakeAcceptBindRule2(bind_fuchsia::INIT_STEP, bind_fuchsia_gpio::BIND_INIT_STEP_GPIO), |
| }; |
| |
| const std::vector<fdf::NodeProperty2> kGpioInitProperties = std::vector{ |
| fdf::MakeProperty2(bind_fuchsia::INIT_STEP, bind_fuchsia_gpio::BIND_INIT_STEP_GPIO), |
| }; |
| |
| zx::result<> AddWifiNode(fdf::WireSyncClient<fpbus::PlatformBus>& pbus) { |
| static const fuchsia_wlan_broadcom::WifiConfig kWifiConfig{{ |
| .oob_irq_mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| .clm_needed = true, |
| .iovar_table = |
| { |
| fuchsia_wlan_broadcom::IovarEntry::WithString( |
| {{.name = "ampdu_ba_wsize", .val = 32}}), |
| fuchsia_wlan_broadcom::IovarEntry::WithString( |
| {{.name = "stbc_tx", .val = 0}}), // since tx_streams is 1 |
| fuchsia_wlan_broadcom::IovarEntry::WithString({{.name = "stbc_rx", .val = 1}}), |
| fuchsia_wlan_broadcom::IovarEntry::WithCommand({{.cmd = BRCMF_C_SET_PM, .val = 0}}), |
| fuchsia_wlan_broadcom::IovarEntry::WithCommand( |
| {{.cmd = BRCMF_C_SET_FAKEFRAG, .val = 1}}), |
| }, |
| .cc_table = |
| { |
| {"WW", 2}, {"AU", 924}, {"CA", 902}, {"US", 844}, {"GB", 890}, {"BE", 890}, |
| {"BG", 890}, {"CZ", 890}, {"DK", 890}, {"DE", 890}, {"EE", 890}, {"IE", 890}, |
| {"GR", 890}, {"ES", 890}, {"FR", 890}, {"HR", 890}, {"IT", 890}, {"CY", 890}, |
| {"LV", 890}, {"LT", 890}, {"LU", 890}, {"HU", 890}, {"MT", 890}, {"NL", 890}, |
| {"AT", 890}, {"PL", 890}, {"PT", 890}, {"RO", 890}, {"SI", 890}, {"SK", 890}, |
| {"FI", 890}, {"SE", 890}, {"EL", 890}, {"IS", 890}, {"LI", 890}, {"TR", 890}, |
| {"CH", 890}, {"NO", 890}, {"JP", 3}, {"KR", 3}, {"TW", 3}, {"IN", 3}, |
| {"SG", 3}, {"MX", 3}, {"CL", 3}, {"PE", 3}, {"CO", 3}, {"NZ", 3}, |
| {"", 0}, |
| }, |
| }}; |
| |
| static const std::vector<fdf::BindRule2> kGpioWifiHostRules = std::vector{ |
| fdf::MakeAcceptBindRule2(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeAcceptBindRule2(bind_fuchsia::GPIO_PIN, |
| static_cast<uint32_t>(S905D3_WIFI_SDIO_WAKE_HOST)), |
| }; |
| |
| static const std::vector<fdf::NodeProperty2> kGpioWifiHostProperties = std::vector{ |
| fdf::MakeProperty2(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| }; |
| |
| fit::result persisted_wifi_config = fidl::Persist(kWifiConfig); |
| if (!persisted_wifi_config.is_ok()) { |
| zxlogf(ERROR, "Failed to persist wifi config: %s", |
| persisted_wifi_config.error_value().FormatDescription().c_str()); |
| return zx::error(persisted_wifi_config.error_value().status()); |
| } |
| |
| std::vector<fpbus::Metadata> metadata{ |
| {{ |
| .id = fuchsia_wlan_broadcom::WifiConfig::kSerializableName, |
| .data = std::move(persisted_wifi_config.value()), |
| }}, |
| }; |
| |
| fpbus::Node node{{ |
| .name = "wifi", |
| .vid = bind_fuchsia_broadcom_platform::BIND_PLATFORM_DEV_VID_BROADCOM, |
| .pid = bind_fuchsia_broadcom_platform::BIND_PLATFORM_DEV_PID_BCM43458, |
| .did = bind_fuchsia_broadcom_platform::BIND_PLATFORM_DEV_DID_WIFI, |
| .metadata = std::move(metadata), |
| .boot_metadata = wifi_boot_metadata, |
| }}; |
| |
| constexpr uint32_t kSdioFunctionCount = 2; |
| std::vector<fdf::ParentSpec2> wifi_parents = { |
| fdf::ParentSpec2{{kGpioWifiHostRules, kGpioWifiHostProperties}}, |
| fdf::ParentSpec2{{kGpioInitRules, kGpioInitProperties}}, |
| }; |
| wifi_parents.reserve(wifi_parents.size() + kSdioFunctionCount); |
| for (uint32_t i = 1; i <= kSdioFunctionCount; i++) { |
| auto sdio_bind_rules = { |
| fdf::MakeAcceptBindRule2(bind_fuchsia::PROTOCOL, bind_fuchsia_sdio::BIND_PROTOCOL_DEVICE), |
| fdf::MakeAcceptBindRule2(bind_fuchsia::SDIO_VID, |
| bind_fuchsia_broadcom_platform_sdio::BIND_SDIO_VID_BROADCOM), |
| fdf::MakeAcceptBindRule2(bind_fuchsia::SDIO_PID, |
| bind_fuchsia_broadcom_platform_sdio::BIND_SDIO_PID_BCM4345), |
| fdf::MakeAcceptBindRule2(bind_fuchsia::SDIO_FUNCTION, i), |
| }; |
| |
| auto sdio_properties = { |
| fdf::MakeProperty2(bind_fuchsia_hardware_sdio::SERVICE, |
| bind_fuchsia_hardware_sdio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeProperty2(bind_fuchsia::SDIO_FUNCTION, i), |
| }; |
| |
| wifi_parents.push_back(fdf::ParentSpec2{ |
| {sdio_bind_rules, sdio_properties}, |
| }); |
| } |
| |
| fidl::Arena<> fidl_arena; |
| fdf::Arena arena('WIFI'); |
| fdf::WireUnownedResult result = pbus.buffer(arena)->AddCompositeNodeSpec( |
| fidl::ToWire(fidl_arena, node), |
| fidl::ToWire(fidl_arena, fuchsia_driver_framework::CompositeNodeSpec{ |
| {.name = "wifi", .parents2 = wifi_parents}})); |
| if (!result.ok()) { |
| zxlogf(ERROR, "Failed to send AddCompositeNodeSpec request: %s", |
| result.FormatDescription().data()); |
| return zx::error(result.status()); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "Failed to add composite node spec: %s", |
| zx_status_get_string(result->error_value())); |
| return zx::error(result->error_value()); |
| } |
| |
| return zx::ok(); |
| } |
| |
| zx::result<> AddSdEmmcNode(fdf::WireSyncClient<fuchsia_hardware_platform_bus::PlatformBus>& pbus) { |
| static const fuchsia_hardware_sdmmc::SdmmcMetadata kMetadata{{ |
| .max_frequency = 208'000'000, |
| // TODO(https://fxbug.dev/42084501): Use the FIDL SDMMC protocol. |
| .use_fidl = false, |
| }}; |
| |
| fit::result persisted_metadata = fidl::Persist(kMetadata); |
| if (!persisted_metadata.is_ok()) { |
| zxlogf(ERROR, "Failed to persist SDMMC metadata: %s", |
| persisted_metadata.error_value().FormatDescription().c_str()); |
| return zx::error(persisted_metadata.error_value().status()); |
| } |
| |
| std::vector<fpbus::Metadata> metadata{ |
| {{ |
| .id = fuchsia_hardware_sdmmc::SdmmcMetadata::kSerializableName, |
| .data = std::move(persisted_metadata.value()), |
| }}, |
| }; |
| |
| fpbus::Node sd_emmc_dev{{ |
| .name = "aml-sdio", |
| .vid = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_VID_AMLOGIC, |
| .pid = bind_fuchsia_platform::BIND_PLATFORM_DEV_PID_GENERIC, |
| .did = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_DID_SDMMC_A, |
| .mmio = sd_emmc_mmios, |
| .irq = sd_emmc_irqs, |
| .bti = sd_emmc_btis, |
| .metadata = std::move(metadata), |
| }}; |
| |
| std::vector<fdf::ParentSpec2> kSdioParents = { |
| fdf::ParentSpec2{{kPwmRules, kPwmProperties}}, |
| fdf::ParentSpec2{{kGpioInitRules, kGpioInitProperties}}, |
| fdf::ParentSpec2{{kGpioResetRules, kGpioResetProperties}}}; |
| |
| fidl::Arena<> fidl_arena; |
| fdf::Arena sdio_arena('SDIO'); |
| auto result = |
| pbus.buffer(sdio_arena) |
| ->AddCompositeNodeSpec( |
| fidl::ToWire(fidl_arena, sd_emmc_dev), |
| fidl::ToWire(fidl_arena, fuchsia_driver_framework::CompositeNodeSpec{ |
| {.name = "aml_sdio", .parents2 = kSdioParents}})); |
| if (!result.ok()) { |
| zxlogf(ERROR, "Failed to send AddCompositeNodeSpec request: %s", |
| result.FormatDescription().data()); |
| return zx::error(result.status()); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "Failed to add composite node spec: %s", |
| zx_status_get_string(result->error_value())); |
| return zx::error(result->error_value()); |
| } |
| |
| return zx::ok(); |
| } |
| |
| zx_status_t Nelson::SdioInit() { |
| auto sdio_pin = [](uint32_t pin) { |
| return fuchsia_hardware_pinimpl::InitStep::WithCall({{ |
| .pin = pin, |
| .call = fuchsia_hardware_pinimpl::InitCall::WithPinConfig({{ |
| .function = S905D3_WIFI_SDIO_D0_FN, |
| .drive_strength_ua = 4'000, |
| }}), |
| }}); |
| }; |
| |
| gpio_init_steps_.push_back(sdio_pin(S905D3_WIFI_SDIO_D0)); |
| gpio_init_steps_.push_back(sdio_pin(S905D3_WIFI_SDIO_D1)); |
| gpio_init_steps_.push_back(sdio_pin(S905D3_WIFI_SDIO_D2)); |
| gpio_init_steps_.push_back(sdio_pin(S905D3_WIFI_SDIO_D3)); |
| gpio_init_steps_.push_back(sdio_pin(S905D3_WIFI_SDIO_CLK)); |
| gpio_init_steps_.push_back(sdio_pin(S905D3_WIFI_SDIO_CMD)); |
| gpio_init_steps_.push_back(GpioFunction(S905D3_WIFI_SDIO_WAKE_HOST, 0)); |
| |
| gpio_init_steps_.push_back( |
| GpioPull(S905D3_WIFI_SDIO_WAKE_HOST, fuchsia_hardware_pin::Pull::kNone)); |
| |
| if (zx::result result = AddSdEmmcNode(pbus_); result.is_error()) { |
| zxlogf(ERROR, "Failed to add sd-emmc node: %s", result.status_string()); |
| return result.status_value(); |
| } |
| |
| if (zx::result result = AddWifiNode(pbus_); result.is_error()) { |
| zxlogf(ERROR, "Failed to add wifi node: %s", result.status_string()); |
| return result.status_value(); |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace nelson |
