zephyr/drivers/mbox/mbox_nrf_bellboard_tx.c

63 lines
1.7 KiB
C

/*
* Copyright (c) 2024 Nordic Semiconductor ASA
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT nordic_nrf_bellboard_tx
#include <zephyr/devicetree.h>
#include <zephyr/drivers/mbox.h>
#include <haly/nrfy_bellboard.h>
struct mbox_bellboard_tx_conf {
NRF_BELLBOARD_Type *bellboard;
};
static int bellboard_tx_send(const struct device *dev, uint32_t id, const struct mbox_msg *msg)
{
const struct mbox_bellboard_tx_conf *config = dev->config;
if (id >= BELLBOARD_TASKS_TRIGGER_MaxCount) {
return -EINVAL;
}
if (msg != NULL) {
return -EMSGSIZE;
}
nrfy_bellboard_task_trigger(config->bellboard, nrf_bellboard_trigger_task_get(id));
return 0;
}
static int bellboard_tx_mtu_get(const struct device *dev)
{
ARG_UNUSED(dev);
return 0;
}
static uint32_t bellboard_tx_max_channels_get(const struct device *dev)
{
ARG_UNUSED(dev);
return BELLBOARD_TASKS_TRIGGER_MaxCount;
}
static const struct mbox_driver_api bellboard_tx_driver_api = {
.send = bellboard_tx_send,
.mtu_get = bellboard_tx_mtu_get,
.max_channels_get = bellboard_tx_max_channels_get,
};
#define BELLBOARD_REMOTE_DEFINE(inst) \
static const struct mbox_bellboard_tx_conf conf##inst = { \
.bellboard = (NRF_BELLBOARD_Type *)DT_INST_REG_ADDR(inst), \
}; \
\
DEVICE_DT_INST_DEFINE(inst, NULL, NULL, NULL, &conf##inst, POST_KERNEL, \
CONFIG_MBOX_INIT_PRIORITY, &bellboard_tx_driver_api);
DT_INST_FOREACH_STATUS_OKAY(BELLBOARD_REMOTE_DEFINE)