1 files changed, 68 insertions, 0 deletions
diff --git a/mac/fproc_idle.c b/mac/fproc_idle.c
new file mode 100644
index 0000000..300ddb0
--- /dev/null
+++ b/mac/fproc_idle.c
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the UWB stack for linux.
+ *
+ * Copyright (c) 2022 Qorvo US, Inc.
+ *
+ * This software is provided under the GNU General Public License, version 2
+ * (GPLv2), as well as under a Qorvo commercial license.
+ *
+ * You may choose to use this software under the terms of the GPLv2 License,
+ * version 2 ("GPLv2"), as published by the Free Software Foundation.
+ * You should have received a copy of the GPLv2 along with this program.  If
+ * not, see <http://www.gnu.org/licenses/>.
+ *
+ * This program is distributed under the GPLv2 in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GPLv2 for more
+ * details.
+ *
+ * If you cannot meet the requirements of the GPLv2, you may not use this
+ * software for any purpose without first obtaining a commercial license from
+ * Qorvo. Please contact Qorvo to inquire about licensing terms.
+ */
+
+#include "mcps802154_i.h"
+#include "llhw-ops.h"
+
+static void mcps802154_fproc_idle_timer_expired(struct mcps802154_local *local)
+{
+	struct mcps802154_access *access = local->fproc.access;
+
+	mcps802154_fproc_access_done(local, false);
+	if (access->duration_dtu) {
+		u32 next_access_dtu =
+			access->timestamp_dtu + access->duration_dtu;
+
+		mcps802154_fproc_access(local, next_access_dtu);
+	} else {
+		mcps802154_fproc_access_now(local);
+	}
+}
+
+static void
+mcps802154_fproc_idle_schedule_change(struct mcps802154_local *local)
+{
+	mcps802154_fproc_access_done(local, false);
+	mcps802154_fproc_access_now(local);
+}
+
+static const struct mcps802154_fproc_state mcps802154_fproc_idle = {
+	.name = "idle",
+	.timer_expired = mcps802154_fproc_idle_timer_expired,
+	.schedule_change = mcps802154_fproc_idle_schedule_change,
+};
+
+int mcps802154_fproc_idle_handle(struct mcps802154_local *local,
+				 struct mcps802154_access *access)
+{
+	int r;
+
+	r = llhw_idle(local, access->duration_dtu != 0,
+		      access->timestamp_dtu + access->duration_dtu);
+	if (r)
+		return r;
+
+	mcps802154_fproc_change_state(local, &mcps802154_fproc_idle);
+
+	return 0;
+}