Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

drivers: mbox: Add nxp mbox multi-channel support #66746

Merged
merged 1 commit into from
Jan 4, 2024
Merged

drivers: mbox: Add nxp mbox multi-channel support #66746

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
40 changes: 22 additions & 18 deletions drivers/mbox/mbox_nxp_imx_mu.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ static int nxp_imx_mu_send(const struct device *dev, uint32_t channel,
/* Signalling mode. */
if (msg == NULL) {
return MU_TriggerInterrupts(
cfg->base, kMU_GenInt0InterruptTrigger);
cfg->base, kMU_GenInt0InterruptTrigger >> channel);
}

/* Data transfer mode. */
Expand Down Expand Up @@ -149,27 +149,31 @@ static const struct mbox_driver_api nxp_imx_mu_driver_api = {
const struct device *dev = DEVICE_DT_INST_GET(idx); \
const struct nxp_imx_mu_data *data = dev->data; \
const struct nxp_imx_mu_config *config = dev->config; \
int channel = 0; \
struct mbox_msg msg; \
struct mbox_msg *callback_msg_ptr = NULL; \
uint32_t flag = MU_GetStatusFlags(config->base); \
\
if ((flag & kMU_Rx0FullFlag) == kMU_Rx0FullFlag) { \
mu_##idx##_received_data = \
MU_ReceiveMsgNonBlocking(config->base, 0); \
msg.data = (const void *)&mu_##idx##_received_data; \
msg.size = MU_MBOX_SIZE; \
callback_msg_ptr = &msg; \
} else if ((flag & kMU_GenInt0Flag) == kMU_GenInt0Flag) { \
MU_ClearStatusFlags(config->base, kMU_GenInt0Flag); \
callback_msg_ptr = NULL; \
} \
\
if (data->cb[channel]) { \
data->cb[channel](dev, channel, \
data->user_data[channel], \
callback_msg_ptr); \
} \
for (int i_channel = 0; i_channel < MU_MAX_CHANNELS; i_channel++) { \
if ((flag & (kMU_Rx0FullFlag >> i_channel)) == \
(kMU_Rx0FullFlag >> i_channel)) { \
mu_##idx##_received_data = \
MU_ReceiveMsgNonBlocking(config->base, 0); \
msg.data = (const void *)&mu_##idx##_received_data; \
msg.size = MU_MBOX_SIZE; \
callback_msg_ptr = &msg; \
} else if ((flag & (kMU_GenInt0Flag >> i_channel)) == \
(kMU_GenInt0Flag >> i_channel)) { \
MU_ClearStatusFlags(config->base, \
(kMU_GenInt0Flag >> i_channel)); \
callback_msg_ptr = NULL; \
} \
\
if (data->cb[i_channel]) { \
data->cb[i_channel](dev, i_channel, \
data->user_data[i_channel], \
callback_msg_ptr); \
} \
} \
}

#define MU_INST(idx) \
Expand Down
Loading