mt76: move mt76_connac2_mcu_fill_message in mt76_connac module

Move mt76_connac2_mcu_fill_message routine in shared module in order to
reuse it for mt7921 and mt7915e drivers. This is a preliminary patch to
add mt7990 driver support.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 77 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 8c9b0f0b5c39..3c84850ab9fd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -2,6 +2,7 @@
 /* Copyright (C) 2020 MediaTek Inc. */
 
 #include <linux/firmware.h>
+#include "mt76_connac2_mac.h"
 #include "mt76_connac_mcu.h"
 
 int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option)
@@ -3034,5 +3035,81 @@ out:
 }
 EXPORT_SYMBOL_GPL(mt76_connac2_load_patch);
 
+int mt76_connac2_mcu_fill_message(struct mt76_dev *dev, struct sk_buff *skb,
+				  int cmd, int *wait_seq)
+{
+	int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
+	struct mt76_connac2_mcu_uni_txd *uni_txd;
+	struct mt76_connac2_mcu_txd *mcu_txd;
+	__le32 *txd;
+	u32 val;
+	u8 seq;
+
+	/* TODO: make dynamic based on msg type */
+	dev->mcu.timeout = 20 * HZ;
+
+	seq = ++dev->mcu.msg_seq & 0xf;
+	if (!seq)
+		seq = ++dev->mcu.msg_seq & 0xf;
+
+	if (cmd == MCU_CMD(FW_SCATTER))
+		goto exit;
+
+	txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
+	txd = (__le32 *)skb_push(skb, txd_len);
+
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
+	      FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
+	      FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
+	txd[0] = cpu_to_le32(val);
+
+	val = MT_TXD1_LONG_FORMAT |
+	      FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
+	txd[1] = cpu_to_le32(val);
+
+	if (cmd & __MCU_CMD_FIELD_UNI) {
+		uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
+		uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
+		uni_txd->option = MCU_CMD_UNI_EXT_ACK;
+		uni_txd->cid = cpu_to_le16(mcu_cmd);
+		uni_txd->s2d_index = MCU_S2D_H2N;
+		uni_txd->pkt_type = MCU_PKT_ID;
+		uni_txd->seq = seq;
+
+		goto exit;
+	}
+
+	mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
+	mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
+	mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
+					       MT_TX_MCU_PORT_RX_Q0));
+	mcu_txd->pkt_type = MCU_PKT_ID;
+	mcu_txd->seq = seq;
+	mcu_txd->cid = mcu_cmd;
+	mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
+
+	if (mcu_txd->ext_cid || (cmd & __MCU_CMD_FIELD_CE)) {
+		if (cmd & __MCU_CMD_FIELD_QUERY)
+			mcu_txd->set_query = MCU_Q_QUERY;
+		else
+			mcu_txd->set_query = MCU_Q_SET;
+		mcu_txd->ext_cid_ack = !!mcu_txd->ext_cid;
+	} else {
+		mcu_txd->set_query = MCU_Q_NA;
+	}
+
+	if (cmd & __MCU_CMD_FIELD_WA)
+		mcu_txd->s2d_index = MCU_S2D_H2C;
+	else
+		mcu_txd->s2d_index = MCU_S2D_H2N;
+
+exit:
+	if (wait_seq)
+		*wait_seq = seq;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76_connac2_mcu_fill_message);
+
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
 MODULE_LICENSE("Dual BSD/GPL");