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broadband-modem-qmi: Add support for setting channels

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This allows to receive Cell Broadcast messages in the specified channel
range on SDM670 based devices (X12 modem) and SDM845 (X20 modem) without
any AT ports (like the OnePlus 6/6T and Google Pixel 3a).

Helps: https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/1325
Signed-off-by: Guido Günther <agx@sigxcpu.org>
This commit is contained in:
Guido Günther
2025-04-13 05:01:32 +00:00
committed by Dan Williams
parent 9c5f5833e5
commit 1ea564f5e8
1 changed files with 86 additions and 0 deletions
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src/mm-broadband-modem-qmi.c
+86
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@@ -10952,6 +10952,90 @@ cell_broadcast_setup_unsolicited_events (MMIfaceModemCellBroadcast *_self,
}
}
/***********************************************************************************/
/* Get channels (CellBroadcast interface) */
static gboolean
cell_broadcast_set_channels_finish (MMIfaceModemCellBroadcast *_self,
GAsyncResult *res,
GError **error)
{
MMBroadbandModemQmi *self = MM_BROADBAND_MODEM_QMI (_self);
/* Handle AT URC only fallback */
if (self->priv->cell_broadcast_fallback_at_only) {
return iface_modem_cell_broadcast_parent->set_channels_finish (_self, res, error);
}
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
cell_broadcast_set_broadcast_config_ready (QmiClientWms *client,
GAsyncResult *res,
gpointer *user_data)
{
g_autoptr(QmiMessageWmsSetBroadcastConfigOutput) output = NULL;
g_autoptr(GTask) task = G_TASK (user_data);
GError *error = NULL;
output = qmi_client_wms_set_broadcast_config_finish (client, res, &error);
if (!output) {
g_prefix_error (&error, "QMI operation failed: ");
g_task_return_error (task, error);
} else if (!qmi_message_wms_set_broadcast_config_output_get_result (output, &error)) {
g_prefix_error (&error, "Couldn't set cbs channels: ");
g_task_return_error (task, error);
} else
g_task_return_boolean (task, TRUE);
}
static void
cell_broadcast_set_channels (MMIfaceModemCellBroadcast *_self,
GArray *channels,
GAsyncReadyCallback callback,
gpointer user_data)
{
MMBroadbandModemQmi *self = MM_BROADBAND_MODEM_QMI (_self);
QmiClient *client = NULL;
g_autoptr(GArray) channels_array = NULL;
g_autoptr(QmiMessageWmsSetBroadcastConfigInput) input = NULL;
guint i;
/* Handle AT URC only fallback */
if (self->priv->cell_broadcast_fallback_at_only) {
iface_modem_cell_broadcast_parent->set_channels (_self, channels, callback, user_data);
return;
}
if (!mm_shared_qmi_ensure_client (MM_SHARED_QMI (self),
QMI_SERVICE_WMS, &client,
callback, user_data))
return;
channels_array = g_array_new (FALSE, FALSE, sizeof (QmiMessageWmsSetBroadcastConfigInputChannelsElement));
for (i = 0; i < channels->len; i++) {
QmiMessageWmsSetBroadcastConfigInputChannelsElement elem;
MMCellBroadcastChannels ch = g_array_index (channels, MMCellBroadcastChannels, i);
elem.start = ch.start;
elem.end = ch.end;
elem.selected = TRUE;
g_array_append_val (channels_array, elem);
}
mm_obj_dbg (self, "Setting channels...");
input = qmi_message_wms_set_broadcast_config_input_new ();
qmi_message_wms_set_broadcast_config_input_set_message_mode (input, QMI_WMS_MESSAGE_MODE_GSM_WCDMA, NULL);
qmi_message_wms_set_broadcast_config_input_set_channels (input, channels_array, NULL);
qmi_client_wms_set_broadcast_config (QMI_CLIENT_WMS (client),
input,
5,
NULL,
(GAsyncReadyCallback)cell_broadcast_set_broadcast_config_ready,
g_task_new (self, NULL, callback, user_data));
}
/*****************************************************************************/
/* Create CBM (CellBroadcast interface) */
@@ -14736,6 +14820,8 @@ iface_modem_cell_broadcast_init (MMIfaceModemCellBroadcastInterface *iface)
iface->setup_unsolicited_events_finish = cell_broadcast_setup_unsolicited_events_finish;
iface->cleanup_unsolicited_events = cell_broadcast_cleanup_unsolicited_events;
iface->cleanup_unsolicited_events_finish = cell_broadcast_cleanup_unsolicited_events_finish;
iface->set_channels = cell_broadcast_set_channels;
iface->set_channels_finish = cell_broadcast_set_channels_finish;
iface->create_cbm = cell_broadcast_create_cbm;
}