Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h
new file mode 100644
index 000000000..27248e24a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/dma.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __MT76_DMA_H
+#define __MT76_DMA_H
+
+#define MT_RING_SIZE			0x10
+
+#define MT_DMA_CTL_SD_LEN1		GENMASK(13, 0)
+#define MT_DMA_CTL_LAST_SEC1		BIT(14)
+#define MT_DMA_CTL_BURST		BIT(15)
+#define MT_DMA_CTL_SD_LEN0		GENMASK(29, 16)
+#define MT_DMA_CTL_LAST_SEC0		BIT(30)
+#define MT_DMA_CTL_DMA_DONE		BIT(31)
+
+#define MT_TXD_INFO_LEN			GENMASK(15, 0)
+#define MT_TXD_INFO_NEXT_VLD		BIT(16)
+#define MT_TXD_INFO_TX_BURST		BIT(17)
+#define MT_TXD_INFO_80211		BIT(19)
+#define MT_TXD_INFO_TSO			BIT(20)
+#define MT_TXD_INFO_CSO			BIT(21)
+#define MT_TXD_INFO_WIV			BIT(24)
+#define MT_TXD_INFO_QSEL		GENMASK(26, 25)
+#define MT_TXD_INFO_DPORT		GENMASK(29, 27)
+#define MT_TXD_INFO_TYPE		GENMASK(31, 30)
+
+#define MT_RX_FCE_INFO_LEN		GENMASK(13, 0)
+#define MT_RX_FCE_INFO_SELF_GEN		BIT(15)
+#define MT_RX_FCE_INFO_CMD_SEQ		GENMASK(19, 16)
+#define MT_RX_FCE_INFO_EVT_TYPE		GENMASK(23, 20)
+#define MT_RX_FCE_INFO_PCIE_INTR	BIT(24)
+#define MT_RX_FCE_INFO_QSEL		GENMASK(26, 25)
+#define MT_RX_FCE_INFO_D_PORT		GENMASK(29, 27)
+#define MT_RX_FCE_INFO_TYPE		GENMASK(31, 30)
+
+/* MCU request message header  */
+#define MT_MCU_MSG_LEN			GENMASK(15, 0)
+#define MT_MCU_MSG_CMD_SEQ		GENMASK(19, 16)
+#define MT_MCU_MSG_CMD_TYPE		GENMASK(26, 20)
+#define MT_MCU_MSG_PORT			GENMASK(29, 27)
+#define MT_MCU_MSG_TYPE			GENMASK(31, 30)
+#define MT_MCU_MSG_TYPE_CMD		BIT(30)
+
+#define MT_DMA_HDR_LEN			4
+#define MT_RX_INFO_LEN			4
+#define MT_FCE_INFO_LEN			4
+#define MT_RX_RXWI_LEN			32
+
+struct mt76_desc {
+	__le32 buf0;
+	__le32 ctrl;
+	__le32 buf1;
+	__le32 info;
+} __packed __aligned(4);
+
+enum dma_msg_port {
+	WLAN_PORT,
+	CPU_RX_PORT,
+	CPU_TX_PORT,
+	HOST_PORT,
+	VIRTUAL_CPU_RX_PORT,
+	VIRTUAL_CPU_TX_PORT,
+	DISCARD,
+};
+
+int mt76_dma_attach(struct mt76_dev *dev);
+void mt76_dma_cleanup(struct mt76_dev *dev);
+
+#endif