| // 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 <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/metadata.h> |
| #include <lib/ddk/platform-defs.h> |
| |
| #include <ddk/metadata/gpio.h> |
| #include <soc/aml-s905d2/s905d2-gpio.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| |
| #include "astro-gpios.h" |
| #include "astro.h" |
| |
| // uncomment to disable LED blinky test |
| // #define GPIO_TEST |
| |
| namespace astro { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| |
| static const std::vector<fpbus::Mmio> gpio_mmios{ |
| {{ |
| .base = S905D2_GPIO_BASE, |
| .length = S905D2_GPIO_LENGTH, |
| }}, |
| {{ |
| .base = S905D2_GPIO_AO_BASE, |
| .length = S905D2_GPIO_AO_LENGTH, |
| }}, |
| {{ |
| .base = S905D2_GPIO_INTERRUPT_BASE, |
| .length = S905D2_GPIO_INTERRUPT_LENGTH, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Irq> gpio_irqs{ |
| {{ |
| .irq = S905D2_GPIO_IRQ_0, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_1, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_2, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_3, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_4, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_5, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_6, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| {{ |
| .irq = S905D2_GPIO_IRQ_7, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }}, |
| }; |
| |
| // GPIOs to expose from generic GPIO driver. |
| static const gpio_pin_t gpio_pins[] = { |
| // For wifi. |
| DECL_GPIO_PIN(S905D2_WIFI_SDIO_WAKE_HOST), |
| // For display. |
| DECL_GPIO_PIN(GPIO_PANEL_DETECT), |
| DECL_GPIO_PIN(GPIO_LCD_RESET), |
| // For touch screen. |
| DECL_GPIO_PIN(GPIO_TOUCH_INTERRUPT), |
| DECL_GPIO_PIN(GPIO_TOUCH_RESET), |
| // For light sensor. |
| DECL_GPIO_PIN(GPIO_LIGHT_INTERRUPT), |
| // For audio. |
| DECL_GPIO_PIN(GPIO_AUDIO_SOC_FAULT_L), |
| DECL_GPIO_PIN(GPIO_SOC_AUDIO_EN), |
| // For buttons. |
| DECL_GPIO_PIN(GPIO_VOLUME_UP), |
| DECL_GPIO_PIN(GPIO_VOLUME_DOWN), |
| DECL_GPIO_PIN(GPIO_VOLUME_BOTH), |
| DECL_GPIO_PIN(GPIO_MIC_PRIVACY), |
| // For SDIO. |
| DECL_GPIO_PIN(GPIO_SDIO_RESET), |
| // For Bluetooth. |
| DECL_GPIO_PIN(GPIO_SOC_WIFI_LPO_32k768), |
| DECL_GPIO_PIN(GPIO_SOC_BT_REG_ON), |
| // For lights. |
| DECL_GPIO_PIN(GPIO_AMBER_LED), |
| |
| // Board revision GPIOs. |
| DECL_GPIO_PIN(GPIO_HW_ID0), |
| DECL_GPIO_PIN(GPIO_HW_ID1), |
| DECL_GPIO_PIN(GPIO_HW_ID2), |
| }; |
| |
| zx_status_t Astro::GpioInit() { |
| fuchsia_hardware_gpioimpl::wire::InitMetadata metadata; |
| metadata.steps = fidl::VectorView<fuchsia_hardware_gpioimpl::wire::InitStep>::FromExternal( |
| gpio_init_steps_.data(), gpio_init_steps_.size()); |
| |
| const fit::result encoded_metadata = fidl::Persist(metadata); |
| if (!encoded_metadata.is_ok()) { |
| zxlogf(ERROR, "Failed to encode GPIO init metadata: %s", |
| encoded_metadata.error_value().FormatDescription().c_str()); |
| return encoded_metadata.error_value().status(); |
| } |
| |
| const std::vector<fpbus::Metadata> gpio_metadata{ |
| {{ |
| .type = DEVICE_METADATA_GPIO_PINS, |
| .data = std::vector<uint8_t>( |
| reinterpret_cast<const uint8_t*>(&gpio_pins), |
| reinterpret_cast<const uint8_t*>(&gpio_pins) + sizeof(gpio_pins)), |
| }}, |
| {{ |
| .type = DEVICE_METADATA_GPIO_INIT, |
| .data = encoded_metadata.value(), |
| }}, |
| }; |
| |
| fpbus::Node gpio_dev; |
| gpio_dev.name() = "gpio"; |
| gpio_dev.vid() = PDEV_VID_AMLOGIC; |
| gpio_dev.pid() = PDEV_PID_AMLOGIC_S905D2; |
| gpio_dev.did() = PDEV_DID_AMLOGIC_GPIO; |
| gpio_dev.mmio() = gpio_mmios; |
| gpio_dev.irq() = gpio_irqs; |
| gpio_dev.metadata() = gpio_metadata; |
| |
| fidl::Arena<> fidl_arena; |
| fdf::Arena arena('GPIO'); |
| auto result = pbus_.buffer(arena)->NodeAdd(fidl::ToWire(fidl_arena, gpio_dev)); |
| if (!result.ok()) { |
| zxlogf(ERROR, "%s: NodeAdd Gpio(gpio_dev) request failed: %s", __func__, |
| result.FormatDescription().data()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "%s: NodeAdd Gpio(gpio_dev) failed: %s", __func__, |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| |
| gpio_init_steps_.clear(); |
| |
| #ifdef GPIO_TEST |
| static const pbus_gpio_t gpio_test_gpios[] = {{ |
| // SYS_LED |
| .gpio = S905D2_GPIOAO(11), |
| }, |
| { |
| // JTAG Adapter Pin |
| .gpio = S905D2_GPIOAO(6), |
| }}; |
| |
| fpbus::Node gpio_test_dev; |
| fpbus::Node dev = {}; |
| dev.name() = "astro-gpio-test"; |
| dev.vid() = PDEV_VID_GENERIC; |
| dev.pid() = PDEV_PID_GENERIC; |
| dev.did() = PDEV_DID_GPIO_TEST; |
| dev.gpio() = gpio_test_gpios; |
| return dev; |
| } |
| (); |
| |
| result = pbus_.buffer(arena)->NodeAdd(fidl::ToWire(fidl_arena, gpio_test_dev)); |
| if (!result.ok()) { |
| zxlogf(ERROR, "%s: NodeAdd Gpio(gpio_test_dev) request failed: %s", __func__, |
| result.FormatDescription().data()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "%s: NodeAdd Gpio(gpio_test_dev) failed: %s", __func__, |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| #endif |
| |
| return ZX_OK; |
| } |
| |
| } // namespace astro |