blob: 8a0e3f03b51ab747025f741bcb229dec30abd7ae [file] [log] [blame]
// 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-t931/t931-gpio.h>
#include <soc/aml-t931/t931-hw.h>
#include "sherlock-gpios.h"
#include "sherlock.h"
namespace sherlock {
zx_status_t Sherlock::ButtonsInit() {
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_component_part_t volume_up_component[] = {
{ countof(root_match), root_match },
{ countof(volume_up_match), volume_up_match },
};
static const device_component_part_t volume_down_component[] = {
{ countof(root_match), root_match },
{ countof(volume_down_match), volume_down_match },
};
static const device_component_part_t volume_both_component[] = {
{ countof(root_match), root_match },
{ countof(volume_both_match), volume_both_match },
};
static const device_component_part_t mic_privacy_component[] = {
{ countof(root_match), root_match },
{ countof(mic_privacy_match), mic_privacy_match },
};
static const device_component_t components[] = {
{ countof(volume_up_component), volume_up_component },
{ countof(volume_down_component), volume_down_component },
{ countof(volume_both_component), volume_both_component },
{ countof(mic_privacy_component), mic_privacy_component },
};
// clang-format off
static constexpr 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 constexpr 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, BUTTONS_GPIO_FLAG_INVERTED, {GPIO_NO_PULL}},
};
// clang-format on
static constexpr 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),
}};
pbus_dev_t sherlock_buttons_dev = {};
sherlock_buttons_dev.name = "sherlock-buttons";
sherlock_buttons_dev.vid = PDEV_VID_GENERIC;
sherlock_buttons_dev.pid = PDEV_PID_GENERIC;
sherlock_buttons_dev.did = PDEV_DID_HID_BUTTONS;
sherlock_buttons_dev.metadata_list = available_buttons_metadata;
sherlock_buttons_dev.metadata_count = countof(available_buttons_metadata);
auto status = pbus_.CompositeDeviceAdd(&sherlock_buttons_dev, components,
countof(components), UINT32_MAX);
if (status != ZX_OK) {
zxlogf(ERROR, "%s: CompositeDeviceAdd failed %d\n", __FUNCTION__, status);
return status;
}
return ZX_OK;
}
} // namespace sherlock