mt76: mt7921: add mt7921u driver

Introduce support for MT7921U 802.11ax 2x2:2SS wireless devices.

Tested-by: Sean Wang <sean.wang@mediatek.com>
Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 49 insertions, 1 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
index 33578e0dfde3..6712ff60c722 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
@@ -353,6 +353,7 @@
 #define MT_WFDMA0_GLO_CFG_RX_DMA_EN	BIT(2)
 #define MT_WFDMA0_GLO_CFG_RX_DMA_BUSY	BIT(3)
 #define MT_WFDMA0_GLO_CFG_TX_WB_DDONE	BIT(6)
+#define MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL BIT(9)
 #define MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN	BIT(12)
 #define MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN BIT(15)
 #define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2	BIT(21)
@@ -377,6 +378,9 @@
 #define MT_WFDMA0_TX_RING16_EXT_CTRL	MT_WFDMA0(0x640)
 #define MT_WFDMA0_TX_RING17_EXT_CTRL	MT_WFDMA0(0x644)
 
+#define MT_WPDMA0_MAX_CNT_MASK		GENMASK(7, 0)
+#define MT_WPDMA0_BASE_PTR_MASK		GENMASK(31, 16)
+
 #define MT_WFDMA0_RX_RING0_EXT_CTRL	MT_WFDMA0(0x680)
 #define MT_WFDMA0_RX_RING1_EXT_CTRL	MT_WFDMA0(0x684)
 #define MT_WFDMA0_RX_RING2_EXT_CTRL	MT_WFDMA0(0x688)
@@ -425,6 +429,10 @@
 #define MT_WFDMA_DUMMY_CR		MT_MCU_WPDMA0(0x120)
 #define MT_WFDMA_NEED_REINIT		BIT(1)
 
+#define MT_CBTOP_RGU(ofs)		(0x70002000 + (ofs))
+#define MT_CBTOP_RGU_WF_SUBSYS_RST	MT_CBTOP_RGU(0x600)
+#define MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH BIT(0)
+
 #define MT_HW_BOUND			0x70010020
 #define MT_HW_CHIPID			0x70010200
 #define MT_HW_REV			0x70010204
@@ -433,12 +441,14 @@
 #define MT_PCIE_MAC(ofs)		(MT_PCIE_MAC_BASE + (ofs))
 #define MT_PCIE_MAC_INT_ENABLE		MT_PCIE_MAC(0x188)
 
-#define MT_DMA_SHDL(ofs)		(0xd6000 + (ofs))
+#define MT_DMA_SHDL(ofs)		(0x7c026000 + (ofs))
 #define MT_DMASHDL_SW_CONTROL		MT_DMA_SHDL(0x004)
 #define MT_DMASHDL_DMASHDL_BYPASS	BIT(28)
 #define MT_DMASHDL_OPTIONAL		MT_DMA_SHDL(0x008)
 #define MT_DMASHDL_PAGE			MT_DMA_SHDL(0x00c)
+#define MT_DMASHDL_GROUP_SEQ_ORDER	BIT(16)
 #define MT_DMASHDL_REFILL		MT_DMA_SHDL(0x010)
+#define MT_DMASHDL_REFILL_MASK		GENMASK(31, 16)
 #define MT_DMASHDL_PKT_MAX_SIZE		MT_DMA_SHDL(0x01c)
 #define MT_DMASHDL_PKT_MAX_SIZE_PLE	GENMASK(11, 0)
 #define MT_DMASHDL_PKT_MAX_SIZE_PSE	GENMASK(27, 16)
@@ -453,6 +463,43 @@
 
 #define MT_DMASHDL_SCHED_SET(_n)	MT_DMA_SHDL(0x070 + ((_n) << 2))
 
+#define MT_WFDMA_HOST_CONFIG		0x7c027030
+#define MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN	BIT(6)
+
+#define MT_UMAC(ofs)			(0x74000000 + (ofs))
+#define MT_UDMA_TX_QSEL			MT_UMAC(0x008)
+#define MT_FW_DL_EN			BIT(3)
+
+#define MT_UDMA_WLCFG_1			MT_UMAC(0x00c)
+#define MT_WL_RX_AGG_PKT_LMT		GENMASK(7, 0)
+#define MT_WL_TX_TMOUT_LMT		GENMASK(27, 8)
+
+#define MT_UDMA_WLCFG_0			MT_UMAC(0x18)
+#define MT_WL_RX_AGG_TO			GENMASK(7, 0)
+#define MT_WL_RX_AGG_LMT		GENMASK(15, 8)
+#define MT_WL_TX_TMOUT_FUNC_EN		BIT(16)
+#define MT_WL_TX_DPH_CHK_EN		BIT(17)
+#define MT_WL_RX_MPSZ_PAD0		BIT(18)
+#define MT_WL_RX_FLUSH			BIT(19)
+#define MT_TICK_1US_EN			BIT(20)
+#define MT_WL_RX_AGG_EN			BIT(21)
+#define MT_WL_RX_EN			BIT(22)
+#define MT_WL_TX_EN			BIT(23)
+#define MT_WL_RX_BUSY			BIT(30)
+#define MT_WL_TX_BUSY			BIT(31)
+
+#define MT_UDMA_CONN_INFRA_STATUS	MT_UMAC(0xa20)
+#define MT_UDMA_CONN_WFSYS_INIT_DONE	BIT(22)
+#define MT_UDMA_CONN_INFRA_STATUS_SEL	MT_UMAC(0xa24)
+
+#define MT_SSUSB_EPCTL_CSR(ofs)		(0x74011800 + (ofs))
+#define MT_SSUSB_EPCTL_CSR_EP_RST_OPT	MT_SSUSB_EPCTL_CSR(0x090)
+
+#define MT_UWFDMA0(ofs)			(0x7c024000 + (ofs))
+#define MT_UWFDMA0_GLO_CFG		MT_UWFDMA0(0x208)
+#define MT_UWFDMA0_GLO_CFG_EXT0		MT_UWFDMA0(0x2b0)
+#define MT_UWFDMA0_TX_RING_EXT_CTRL(_n)	MT_UWFDMA0(0x600 + ((_n) << 2))
+
 #define MT_CONN_STATUS			0x7c053c10
 #define MT_WIFI_PATCH_DL_STATE		BIT(0)
 
@@ -466,6 +513,7 @@
 #define WFSYS_SW_INIT_DONE		BIT(4)
 
 #define MT_CONN_ON_MISC			0x7c0600f0
+#define MT_TOP_MISC2_FW_PWR_ON		BIT(0)
 #define MT_TOP_MISC2_FW_N9_RDY		GENMASK(1, 0)
 
 #endif