[][MAC80211][mt76][fix typo name bersa to besra]

[Description]
Fix chip generation typo name bersa to besra.

[Release-log]
N/A

Change-Id: Ie0b3de50e3c7a9f379b3f48cbde448a59d7d51b1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6152828
diff --git a/autobuild_mac80211_release/mt7986_besra_mac80211/package/kernel/mt76/src/besra/dma.c b/autobuild_mac80211_release/mt7986_besra_mac80211/package/kernel/mt76/src/besra/dma.c
new file mode 100644
index 0000000..e042262
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_besra_mac80211/package/kernel/mt76/src/besra/dma.c
@@ -0,0 +1,360 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "besra.h"
+#include "../dma.h"
+#include "mac.h"
+
+int besra_init_tx_queues(struct besra_phy *phy, int idx, int n_desc, int ring_base)
+{
+	int i, err;
+
+	err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, ring_base);
+	if (err < 0)
+		return err;
+
+	for (i = 0; i <= MT_TXQ_PSD; i++)
+		phy->mt76->q_tx[i] = phy->mt76->q_tx[0];
+
+	return 0;
+}
+
+static void
+besra_tx_cleanup(struct besra_dev *dev)
+{
+	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false);
+	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false);
+}
+
+static int besra_poll_tx(struct napi_struct *napi, int budget)
+{
+	struct besra_dev *dev;
+
+	dev = container_of(napi, struct besra_dev, mt76.tx_napi);
+
+	besra_tx_cleanup(dev);
+
+	if (napi_complete_done(napi, 0))
+		besra_irq_enable(dev, MT_INT_TX_DONE_MCU);
+
+	return 0;
+}
+
+#define Q_CONFIG(q, wfdma, int, id) do {		\
+		if (wfdma)				\
+			dev->wfdma_mask |= (1 << (q));	\
+		dev->q_int_mask[(q)] = int;		\
+		dev->q_id[(q)] = id;			\
+	} while (0)
+
+#define MCUQ_CONFIG(q, wfdma, int, id)	Q_CONFIG(q, (wfdma), (int), (id))
+#define RXQ_CONFIG(q, wfdma, int, id)	Q_CONFIG(__RXQ(q), (wfdma), (int), (id))
+#define TXQ_CONFIG(q, wfdma, int, id)	Q_CONFIG(__TXQ(q), (wfdma), (int), (id))
+
+static void besra_dma_config(struct besra_dev *dev)
+{
+	RXQ_CONFIG(MT_RXQ_MAIN, WFDMA0, MT_INT_RX_DONE_BAND0, BESRA_RXQ_BAND0);
+	RXQ_CONFIG(MT_RXQ_MCU, WFDMA0, MT_INT_RX_DONE_WM, BESRA_RXQ_MCU_WM);
+	RXQ_CONFIG(MT_RXQ_MCU_WA, WFDMA0, MT_INT_RX_DONE_WA, BESRA_RXQ_MCU_WA);
+	RXQ_CONFIG(MT_RXQ_EXT, WFDMA0, MT_INT_RX_DONE_BAND1, BESRA_RXQ_BAND1);
+	RXQ_CONFIG(MT_RXQ_EXT_WA, WFDMA0, MT_INT_RX_DONE_WA_EXT, BESRA_RXQ_MCU_WA_EXT);
+	RXQ_CONFIG(MT_RXQ_MAIN_WA, WFDMA0, MT_INT_RX_DONE_WA_MAIN, BESRA_RXQ_MCU_WA_MAIN);
+	RXQ_CONFIG(MT_RXQ_TRI, WFDMA0, MT_INT_RX_DONE_BAND2, BESRA_RXQ_BAND2);
+	RXQ_CONFIG(MT_RXQ_TRI_WA, WFDMA0, MT_INT_RX_DONE_WA_TRI, BESRA_RXQ_MCU_WA_TRI);
+
+	TXQ_CONFIG(0, WFDMA0, MT_INT_TX_DONE_BAND0, BESRA_TXQ_BAND0);
+	TXQ_CONFIG(1, WFDMA0, MT_INT_TX_DONE_BAND1, BESRA_TXQ_BAND1);
+	TXQ_CONFIG(2, WFDMA0, MT_INT_TX_DONE_BAND2, BESRA_TXQ_BAND2);
+
+	MCUQ_CONFIG(MT_MCUQ_WM, WFDMA0, MT_INT_TX_DONE_MCU_WM, BESRA_TXQ_MCU_WM);
+	MCUQ_CONFIG(MT_MCUQ_WA, WFDMA0, MT_INT_TX_DONE_MCU_WA, BESRA_TXQ_MCU_WA);
+	MCUQ_CONFIG(MT_MCUQ_FWDL, WFDMA0, MT_INT_TX_DONE_FWDL, BESRA_TXQ_FWDL);
+}
+
+static void __besra_dma_prefetch(struct besra_dev *dev, u32 ofs)
+{
+#define PREFETCH(_base, _depth)	((_base) << 16 | (_depth))
+
+	/* prefetch SRAM wrapping boundary for tx/rx ring. */
+	mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_FWDL) + ofs, PREFETCH(0x0, 0x4));
+	mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WM) + ofs, PREFETCH(0x40, 0x4));
+	mt76_wr(dev, MT_TXQ_EXT_CTRL(0) + ofs, PREFETCH(0x80, 0x4));
+	mt76_wr(dev, MT_TXQ_EXT_CTRL(1) + ofs, PREFETCH(0xc0, 0x4));
+	mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WA) + ofs, PREFETCH(0x100, 0x4));
+	mt76_wr(dev, MT_TXQ_EXT_CTRL(2) + ofs, PREFETCH(0x140, 0x4));
+
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MCU) + ofs, PREFETCH(0x180, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MCU_WA) + ofs, PREFETCH(0x1c0, 0x4));
+	//mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MAIN_WA) + ofs, PREFETCH(0x1c0, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT_WA) + ofs, PREFETCH(0x200, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MAIN) + ofs, PREFETCH(0x240, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT) + ofs, PREFETCH(0x280, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_TRI) + ofs, PREFETCH(0x2c0, 0x4));
+}
+
+void besra_dma_prefetch(struct besra_dev *dev)
+{
+	__besra_dma_prefetch(dev, 0);
+	if (dev->hif2)
+		__besra_dma_prefetch(dev, MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0));
+}
+
+static void besra_dma_disable(struct besra_dev *dev, bool rst)
+{
+	u32 hif1_ofs = 0;
+
+	if (dev->hif2)
+		hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
+
+	/* reset */
+	if (rst) {
+		mt76_clear(dev, MT_WFDMA0_RST,
+			   MT_WFDMA0_RST_DMASHDL_ALL_RST |
+			   MT_WFDMA0_RST_LOGIC_RST);
+
+		mt76_set(dev, MT_WFDMA0_RST,
+			 MT_WFDMA0_RST_DMASHDL_ALL_RST |
+			 MT_WFDMA0_RST_LOGIC_RST);
+
+		if (dev->hif2) {
+			mt76_clear(dev, MT_WFDMA0_RST + hif1_ofs,
+				   MT_WFDMA0_RST_DMASHDL_ALL_RST |
+				   MT_WFDMA0_RST_LOGIC_RST);
+
+			mt76_set(dev, MT_WFDMA0_RST + hif1_ofs,
+				 MT_WFDMA0_RST_DMASHDL_ALL_RST |
+				 MT_WFDMA0_RST_LOGIC_RST);
+		}
+	}
+
+	/* disable */
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	if (dev->hif2) {
+		mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
+			   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+			   MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+			   MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+			   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
+			   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+	}
+}
+
+static int besra_dma_enable(struct besra_dev *dev)
+{
+	u32 hif1_ofs = 0;
+	u32 irq_mask;
+
+	if (dev->hif2)
+		hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
+
+	/* reset dma idx */
+	mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0);
+	if (dev->hif2)
+		mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR + hif1_ofs, ~0);
+
+	/* configure delay interrupt off */
+	mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0);
+	mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1, 0);
+	mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2, 0);
+
+	if (dev->hif2) {
+		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0 + hif1_ofs, 0);
+		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1 + hif1_ofs, 0);
+		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2 + hif1_ofs, 0);
+	}
+
+	/* configure perfetch settings */
+	besra_dma_prefetch(dev);
+
+	/* hif wait WFDMA idle */
+	mt76_set(dev, MT_WFDMA0_BUSY_ENA,
+		 MT_WFDMA0_BUSY_ENA_TX_FIFO0 |
+		 MT_WFDMA0_BUSY_ENA_TX_FIFO1 |
+		 MT_WFDMA0_BUSY_ENA_RX_FIFO);
+
+	if (dev->hif2)
+		mt76_set(dev, MT_WFDMA0_BUSY_ENA + hif1_ofs,
+			 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 |
+			 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 |
+			 MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO);
+
+	mt76_poll(dev, MT_WFDMA_EXT_CSR_HIF_MISC,
+		  MT_WFDMA_EXT_CSR_HIF_MISC_BUSY, 0, 1000);
+
+	/* set WFDMA Tx/Rx */
+	mt76_set(dev, MT_WFDMA0_GLO_CFG,
+		 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+		 MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+		 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	if (dev->hif2) {
+		mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
+			 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+			 MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+			 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+			 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+		mt76_set(dev, MT_WFDMA_HOST_CONFIG,
+			 MT_WFDMA_HOST_CONFIG_PDMA_BAND);
+	}
+
+	/* enable interrupts for TX/RX rings */
+	irq_mask = MT_INT_RX_DONE_MCU |
+		   MT_INT_TX_DONE_MCU |
+		   MT_INT_MCU_CMD;
+
+	if (!dev->phy.band_idx)
+		irq_mask |= MT_INT_BAND0_RX_DONE;
+
+	if (dev->dbdc_support)
+		irq_mask |= MT_INT_BAND1_RX_DONE;
+
+	if (dev->tbtc_support)
+		irq_mask |= MT_INT_BAND2_RX_DONE;
+
+	besra_irq_enable(dev, irq_mask);
+
+	return 0;
+}
+
+int besra_dma_init(struct besra_dev *dev)
+{
+	u32 hif1_ofs = 0;
+	int ret;
+
+	besra_dma_config(dev);
+
+	mt76_dma_attach(&dev->mt76);
+
+	if (dev->hif2)
+		hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
+
+	besra_dma_disable(dev, true);
+
+	/* init tx queue */
+	ret = besra_init_tx_queues(&dev->phy,
+				    MT_TXQ_ID(dev->phy.band_idx),
+				    BESRA_TX_RING_SIZE,
+				    MT_TXQ_RING_BASE(0));
+	if (ret)
+		return ret;
+
+	/* command to WM */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM,
+				  MT_MCUQ_ID(MT_MCUQ_WM),
+				  BESRA_TX_MCU_RING_SIZE,
+				  MT_MCUQ_RING_BASE(MT_MCUQ_WM));
+	if (ret)
+		return ret;
+
+	/* command to WA */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WA,
+				  MT_MCUQ_ID(MT_MCUQ_WA),
+				  BESRA_TX_MCU_RING_SIZE,
+				  MT_MCUQ_RING_BASE(MT_MCUQ_WA));
+	if (ret)
+		return ret;
+
+	/* firmware download */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL,
+				  MT_MCUQ_ID(MT_MCUQ_FWDL),
+				  BESRA_TX_FWDL_RING_SIZE,
+				  MT_MCUQ_RING_BASE(MT_MCUQ_FWDL));
+	if (ret)
+		return ret;
+
+	/* event from WM */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
+			       MT_RXQ_ID(MT_RXQ_MCU),
+			       BESRA_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE,
+			       MT_RXQ_RING_BASE(MT_RXQ_MCU));
+	if (ret)
+		return ret;
+
+	/* event from WA */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
+			       MT_RXQ_ID(MT_RXQ_MCU_WA),
+			       BESRA_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE,
+			       MT_RXQ_RING_BASE(MT_RXQ_MCU_WA));
+	if (ret)
+		return ret;
+
+	/* rx data queue for band0 */
+	if (!dev->phy.band_idx) {
+		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
+				       MT_RXQ_ID(MT_RXQ_MAIN),
+				       BESRA_RX_RING_SIZE,
+				       MT_RX_BUF_SIZE,
+				       MT_RXQ_RING_BASE(MT_RXQ_MAIN));
+		if (ret)
+			return ret;
+	}
+
+	/* tx free notify event from WA for band0 */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN_WA],
+			       MT_RXQ_ID(MT_RXQ_MAIN_WA),
+			       BESRA_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE,
+			       MT_RXQ_RING_BASE(MT_RXQ_MAIN_WA));
+	if (ret)
+		return ret;
+
+	if (dev->dbdc_support || (dev->phy.band_idx == MT_BAND1)) {
+		/* rx data queue for band1 */
+		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT],
+				       MT_RXQ_ID(MT_RXQ_EXT),
+				       BESRA_RX_RING_SIZE,
+				       MT_RX_BUF_SIZE,
+				       MT_RXQ_RING_BASE(MT_RXQ_EXT) + hif1_ofs);
+		if (ret)
+			return ret;
+
+		/* tx free notify event from WA for band1 */
+		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT_WA],
+				       MT_RXQ_ID(MT_RXQ_EXT_WA),
+				       BESRA_RX_MCU_RING_SIZE,
+				       MT_RX_BUF_SIZE,
+				       MT_RXQ_RING_BASE(MT_RXQ_EXT_WA) + hif1_ofs);
+		if (ret)
+			return ret;
+	}
+
+	if (dev->tbtc_support || (dev->phy.band_idx == MT_BAND2)) {
+		/* rx data queue for band2 */
+		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_TRI],
+				       MT_RXQ_ID(MT_RXQ_TRI),
+				       BESRA_RX_RING_SIZE,
+				       MT_RX_BUF_SIZE,
+				       MT_RXQ_RING_BASE(MT_RXQ_TRI) + hif1_ofs);
+		if (ret)
+			return ret;
+	}
+
+	ret = mt76_init_queues(dev, mt76_dma_rx_poll);
+	if (ret < 0)
+		return ret;
+
+	netif_tx_napi_add(&dev->mt76.tx_napi_dev, &dev->mt76.tx_napi,
+			  besra_poll_tx, NAPI_POLL_WEIGHT);
+	napi_enable(&dev->mt76.tx_napi);
+
+	besra_dma_enable(dev);
+
+	return 0;
+}
+
+void besra_dma_cleanup(struct besra_dev *dev)
+{
+	besra_dma_disable(dev, true);
+
+	mt76_dma_cleanup(&dev->mt76);
+}