| // 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 <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/buttons.h> |
| #include <ddk/platform-defs.h> |
| #include <soc/aml-s905d2/s905d2-gpio.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| |
| #include "astro-gpios.h" |
| #include "astro.h" |
| |
| namespace astro { |
| |
| // clang-format off |
| static const buttons_button_config_t buttons[] = { |
| {BUTTONS_TYPE_DIRECT, BUTTONS_ID_VOLUME_UP, 0, 0, 0}, |
| {BUTTONS_TYPE_DIRECT, BUTTONS_ID_VOLUME_DOWN, 1, 0, 0}, |
| {BUTTONS_TYPE_DIRECT, BUTTONS_ID_FDR, 2, 0, 0}, |
| {BUTTONS_TYPE_DIRECT, BUTTONS_ID_MIC_MUTE, 3, 0, 0}, |
| }; |
| // No need for internal pull, external pull-ups used. |
| static const buttons_gpio_config_t gpios[] = { |
| {BUTTONS_GPIO_TYPE_INTERRUPT, BUTTONS_GPIO_FLAG_INVERTED, {GPIO_NO_PULL}}, |
| {BUTTONS_GPIO_TYPE_INTERRUPT, BUTTONS_GPIO_FLAG_INVERTED, {GPIO_NO_PULL}}, |
| {BUTTONS_GPIO_TYPE_INTERRUPT, BUTTONS_GPIO_FLAG_INVERTED, {GPIO_NO_PULL}}, |
| {BUTTONS_GPIO_TYPE_INTERRUPT, 0 , {GPIO_NO_PULL}}, |
| }; |
| // clang-format on |
| |
| static const device_metadata_t available_buttons_metadata[] = { |
| { |
| .type = DEVICE_METADATA_BUTTONS_BUTTONS, |
| .data = &buttons, |
| .length = sizeof(buttons), |
| }, |
| { |
| .type = DEVICE_METADATA_BUTTONS_GPIOS, |
| .data = &gpios, |
| .length = sizeof(gpios), |
| }}; |
| |
| static const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| static const zx_bind_inst_t volume_up_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_VOLUME_UP), |
| }; |
| static const zx_bind_inst_t volume_down_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_VOLUME_DOWN), |
| }; |
| static const zx_bind_inst_t volume_both_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_VOLUME_BOTH), |
| }; |
| static const zx_bind_inst_t mic_privacy_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_MIC_PRIVACY), |
| }; |
| static const device_fragment_part_t volume_up_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(volume_up_match), volume_up_match}, |
| }; |
| static const device_fragment_part_t volume_down_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(volume_down_match), volume_down_match}, |
| }; |
| static const device_fragment_part_t volume_both_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(volume_both_match), volume_both_match}, |
| }; |
| static const device_fragment_part_t mic_privacy_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(mic_privacy_match), mic_privacy_match}, |
| }; |
| static const device_fragment_t fragments[] = { |
| {countof(volume_up_fragment), volume_up_fragment}, |
| {countof(volume_down_fragment), volume_down_fragment}, |
| {countof(volume_both_fragment), volume_both_fragment}, |
| {countof(mic_privacy_fragment), mic_privacy_fragment}, |
| }; |
| |
| zx_status_t Astro::ButtonsInit() { |
| constexpr zx_device_prop_t props[] = { |
| {BIND_PLATFORM_DEV_VID, 0, PDEV_VID_GENERIC}, |
| {BIND_PLATFORM_DEV_PID, 0, PDEV_PID_GENERIC}, |
| {BIND_PLATFORM_DEV_DID, 0, PDEV_DID_HID_BUTTONS}, |
| }; |
| |
| const composite_device_desc_t comp_desc = { |
| .props = props, |
| .props_count = countof(props), |
| .fragments = fragments, |
| .fragments_count = countof(fragments), |
| .coresident_device_index = UINT32_MAX, |
| .metadata_list = available_buttons_metadata, |
| .metadata_count = countof(available_buttons_metadata), |
| }; |
| |
| zx_status_t status = DdkAddComposite("astro-buttons", &comp_desc); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: CompositeDeviceAdd failed: %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace astro |