[PATCH wireless-next 28/35] wifi: mm81x: add yaps.h

[Lachlan Hodges <lachlan.hodges@morsemicro.com>]

(Patches split per file for review, see cover letter for more
information)

Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
---
 drivers/net/wireless/morsemicro/mm81x/yaps.h | 77 ++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 drivers/net/wireless/morsemicro/mm81x/yaps.h

diff --git a/drivers/net/wireless/morsemicro/mm81x/yaps.h b/drivers/net/wireless/morsemicro/mm81x/yaps.h
new file mode 100644
index 000000000000..a362c58c2a15
--- /dev/null
+++ b/drivers/net/wireless/morsemicro/mm81x/yaps.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2017-2026 Morse Micro
+ */
+
+#ifndef _MM81X_YAPS_H_
+#define _MM81X_YAPS_H_
+
+#include <linux/skbuff.h>
+#include <linux/workqueue.h>
+#include "skbq.h"
+
+#define YAPS_TX_SKBQ_MAX 4
+
+struct mm81x_hif_ops;
+extern const struct mm81x_hif_ops mm81x_yaps_ops;
+
+enum mm81x_yaps_to_chip_q {
+	MM81X_YAPS_TX_Q = 0,
+	MM81X_YAPS_CMD_Q,
+	MM81X_YAPS_BEACON_Q,
+	MM81X_YAPS_MGMT_Q,
+	/* Keep this last */
+	MM81X_YAPS_NUM_TC_Q
+};
+
+struct mm81x_yaps_pkt {
+	struct sk_buff *skb;
+	enum mm81x_yaps_to_chip_q tc_queue;
+};
+
+struct mm81x_yaps {
+	struct mm81x *mm;
+	struct mm81x_yaps_hw_aux_data *aux_data;
+	const struct mm81x_yaps_ops *ops;
+	u8 flags;
+	struct {
+		struct mm81x_yaps_pkt *to_chip_pkts;
+		struct mm81x_yaps_pkt *from_chip_pkts;
+	} hw;
+
+	/* Chip interface is stopping, new work should not be enqueued. */
+	bool finish;
+
+	struct mm81x_skbq data_tx_qs[YAPS_TX_SKBQ_MAX];
+	struct mm81x_skbq beacon_q;
+	struct mm81x_skbq mgmt_q;
+	struct mm81x_skbq data_rx_q;
+	struct mm81x_skbq cmd_q;
+	struct mm81x_skbq cmd_resp_q;
+
+	struct {
+		struct timer_list timer;
+		unsigned long retry_expiry;
+		bool is_full;
+	} chip_queue_full;
+};
+
+struct mm81x_yaps_ops {
+	int (*write_pkts)(struct mm81x_yaps *yaps, struct mm81x_yaps_pkt *pkts,
+			  int num_pkts, int *num_pkts_sent);
+	int (*read_pkts)(struct mm81x_yaps *yaps, struct mm81x_yaps_pkt *pkts,
+			 int num_pkts_max, int *num_pkts_received);
+	int (*update_status)(struct mm81x_yaps *yaps);
+};
+
+int mm81x_yaps_init(struct mm81x *mm);
+void mm81x_yaps_show(struct mm81x_yaps *yaps, struct seq_file *file);
+void mm81x_yaps_finish(struct mm81x *mm);
+void mm81x_yaps_flush_tx_data(struct mm81x *mm);
+void mm81x_yaps_flush_cmds(struct mm81x *mm);
+void mm81x_yaps_work(struct work_struct *work);
+void mm81x_yaps_stale_tx_work(struct work_struct *work);
+int mm81x_yaps_get_tx_status_pending_count(struct mm81x *mm);
+int mm81x_yaps_get_tx_buffered_count(struct mm81x *mm);
+
+#endif /* !_MM81X_YAPS_H_ */
-- 
2.43.0