| // 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. |
| |
| #pragma once |
| |
| #include <fbl/type_support.h> |
| |
| namespace ddk { |
| namespace internal { |
| |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_config, GpioConfig, |
| zx_status_t (C::*)(uint32_t, uint32_t)); |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_set_alt_function, GpioSetAltFunction, |
| zx_status_t (C::*)(uint32_t, uint64_t)); |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_read, GpioRead, |
| zx_status_t (C::*)(uint32_t, uint8_t*)); |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_write, GpioWrite, |
| zx_status_t (C::*)(uint32_t, uint8_t)); |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_get_interrupt, GpioGetInterrupt, |
| zx_status_t (C::*)(uint32_t, uint32_t, zx_handle_t*)); |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_release_interrupt, GpioReleaseInterrupt, |
| zx_status_t (C::*)(uint32_t)); |
| DECLARE_HAS_MEMBER_FN_WITH_SIGNATURE(has_gpio_set_polarity, GpioSetPolarity, |
| zx_status_t (C::*)(uint32_t, uint32_t)); |
| |
| template <typename D> |
| constexpr void CheckGpioProtocolSubclass() { |
| static_assert(internal::has_gpio_config<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioConfig(uint32_t index, uint32_t flags)"); |
| static_assert(internal::has_gpio_set_alt_function<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioSetAltFunction(uint32_t index, uint64_t function)"); |
| static_assert(internal::has_gpio_read<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioRead(uint32_t index, uint8_t* out_value)"); |
| static_assert(internal::has_gpio_write<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioWrite(uint32_t index, uint8_t value)"); |
| static_assert(internal::has_gpio_get_interrupt<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioGetInterrupt(uint32_t index, uint32_t flags, zx_handle_t* out_handle)"); |
| static_assert(internal::has_gpio_release_interrupt<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioReleaseInterrupt(uint32_t index)"); |
| static_assert(internal::has_gpio_set_polarity<D>::value, |
| "GpioProtocol subclasses must implement " |
| "GpioSetPolarity(uint32_t index, uint32_t polarity)"); |
| } |
| |
| } // namespace internal |
| } // namespace ddk |
