| // 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/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/buttons.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/platform/bus.h> |
| |
| #include <soc/aml-s905d2/s905d2-gpio.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| |
| #include "astro.h" |
| |
| static const pbus_gpio_t astro_buttons_gpios[] = { |
| { |
| // Volume up. |
| .gpio = S905D2_GPIOZ(5), |
| }, |
| { |
| // Volume down. |
| .gpio = S905D2_GPIOZ(6), |
| }, |
| { |
| // Both Volume up and down pressed. |
| .gpio = S905D2_GPIOAO(10), |
| }, |
| { |
| // Mic privacy switch. |
| .gpio = S905D2_GPIOZ(2), |
| |
| }, |
| }; |
| |
| // 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 pbus_metadata_t available_buttons_metadata[] = { |
| { |
| .type = DEVICE_METADATA_BUTTONS_BUTTONS, |
| .data_buffer = &buttons, |
| .data_size = sizeof(buttons), |
| }, |
| { |
| .type = DEVICE_METADATA_BUTTONS_GPIOS, |
| .data_buffer = &gpios, |
| .data_size = sizeof(gpios), |
| } |
| }; |
| |
| static pbus_dev_t astro_buttons_dev = { |
| .name = "astro-buttons", |
| .vid = PDEV_VID_GENERIC, |
| .pid = PDEV_PID_GENERIC, |
| .did = PDEV_DID_HID_BUTTONS, |
| .gpio_list = astro_buttons_gpios, |
| .gpio_count = countof(astro_buttons_gpios), |
| .metadata_list = available_buttons_metadata, |
| .metadata_count = countof(available_buttons_metadata), |
| }; |
| |
| zx_status_t astro_buttons_init(aml_bus_t* bus) { |
| |
| zx_status_t status = pbus_device_add(&bus->pbus, &astro_buttons_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s pbus_device_add failed: %d\n", __FUNCTION__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |