4  * SPDX-License-Identifier: Apache-2.0
36 	const struct mbox_nrf_conf *conf = dev->config;  in is_rx_channel_valid()
38 	return ((ch < IPC_CONF_NUM) && (conf->rx_mask & BIT(ch)));  in is_rx_channel_valid()
43 	const struct mbox_nrf_conf *conf = dev->config;  in is_tx_channel_valid()
45 	return ((ch < IPC_CONF_NUM) && (conf->tx_mask & BIT(ch)));  in is_tx_channel_valid()
51 	const struct device *dev = data->dev;  in mbox_dispatcher()
53 	uint32_t channel = event_idx;  in mbox_dispatcher()  local
55 	if (!is_rx_channel_valid(dev, channel)) {  in mbox_dispatcher()
56 		LOG_WRN("RX event on illegal channel");  in mbox_dispatcher()
59 	if (!(data->enabled_mask & BIT(channel))) {  in mbox_dispatcher()
60 		LOG_WRN("RX event on disabled channel");  in mbox_dispatcher()
63 	if (data->cb[channel] != NULL) {  in mbox_dispatcher()
64 		data->cb[channel](dev, channel, data->user_data[channel], NULL);  in mbox_dispatcher()
68 static int mbox_nrf_send(const struct device *dev, uint32_t channel,  in mbox_nrf_send()  argument
75 	if (!is_tx_channel_valid(dev, channel)) {  in mbox_nrf_send()
76 		return -EINVAL;  in mbox_nrf_send()
79 	nrfx_ipc_signal(channel);  in mbox_nrf_send()
84 static int mbox_nrf_register_callback(const struct device *dev, uint32_t channel,  in mbox_nrf_register_callback()  argument
87 	struct mbox_nrf_data *data = dev->data;  in mbox_nrf_register_callback()
89 	if (channel >= IPC_CONF_NUM) {  in mbox_nrf_register_callback()
90 		return -EINVAL;  in mbox_nrf_register_callback()
93 	data->cb[channel] = cb;  in mbox_nrf_register_callback()
94 	data->user_data[channel] = user_data;  in mbox_nrf_register_callback()
110 static int mbox_nrf_set_enabled(const struct device *dev, uint32_t channel, bool enable)  in mbox_nrf_set_enabled()  argument
112 	struct mbox_nrf_data *data = dev->data;  in mbox_nrf_set_enabled()
114 	if (!is_rx_channel_valid(dev, channel)) {  in mbox_nrf_set_enabled()
115 		return -EINVAL;  in mbox_nrf_set_enabled()
118 	if ((enable == 0 && (!(data->enabled_mask & BIT(channel)))) ||  in mbox_nrf_set_enabled()
119 	    (enable != 0 &&   (data->enabled_mask & BIT(channel)))) {  in mbox_nrf_set_enabled()
120 		return -EALREADY;  in mbox_nrf_set_enabled()
123 	if (enable && (data->cb[channel] == NULL)) {  in mbox_nrf_set_enabled()
124 		LOG_WRN("Enabling channel without a registered callback\n");  in mbox_nrf_set_enabled()
127 	if (enable && data->enabled_mask == 0) {  in mbox_nrf_set_enabled()
131 	if (enable) {  in mbox_nrf_set_enabled()
132 		data->enabled_mask |= BIT(channel);  in mbox_nrf_set_enabled()
134 		nrfx_ipc_receive_event_enable(channel);  in mbox_nrf_set_enabled()
136 		nrfx_ipc_receive_event_disable(channel);  in mbox_nrf_set_enabled()
138 		data->enabled_mask &= ~BIT(channel);  in mbox_nrf_set_enabled()
141 	if (data->enabled_mask == 0) {  in mbox_nrf_set_enabled()
150 	const struct mbox_nrf_conf *conf = dev->config;  in enable_dt_channels()
153 	if (conf->tx_mask >= BIT(IPC_CONF_NUM)) {  in enable_dt_channels()
157 	if (conf->rx_mask >= BIT(IPC_CONF_NUM)) {  in enable_dt_channels()
161 	/* Enable the interrupts on .set_enabled() only */  in enable_dt_channels()
165 		if (conf->tx_mask & BIT(ch)) {  in enable_dt_channels()
169 		if (conf->rx_mask & BIT(ch)) {  in enable_dt_channels()
179 	struct mbox_nrf_data *data = dev->data;  in mbox_nrf_init()
181 	data->dev = dev;  in mbox_nrf_init()