drivers/net/ethernet/mediatek/mtk_wed.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/mediatek/mtk_wed.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/mediatek/mtk_wed.c
Extension
.c
Size
76419 bytes
Lines
2903
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mtk_wed_flow_block_priv {
	struct mtk_wed_hw *hw;
	struct net_device *dev;
};

static const struct mtk_wed_soc_data mt7622_data = {
	.regmap = {
		.tx_bm_tkid		= 0x088,
		.wpdma_rx_ring = {
			0x770,
		},
		.reset_idx_tx_mask	= GENMASK(3, 0),
		.reset_idx_rx_mask	= GENMASK(17, 16),
	},
	.tx_ring_desc_size = sizeof(struct mtk_wdma_desc),
	.wdma_desc_size = sizeof(struct mtk_wdma_desc),
};

static const struct mtk_wed_soc_data mt7986_data = {
	.regmap = {
		.tx_bm_tkid		= 0x0c8,
		.wpdma_rx_ring = {
			0x770,
		},
		.reset_idx_tx_mask	= GENMASK(1, 0),
		.reset_idx_rx_mask	= GENMASK(7, 6),
	},
	.tx_ring_desc_size = sizeof(struct mtk_wdma_desc),
	.wdma_desc_size = 2 * sizeof(struct mtk_wdma_desc),
};

static const struct mtk_wed_soc_data mt7988_data = {
	.regmap = {
		.tx_bm_tkid		= 0x0c8,
		.wpdma_rx_ring = {
			0x7d0,
			0x7d8,
		},
		.reset_idx_tx_mask	= GENMASK(1, 0),
		.reset_idx_rx_mask	= GENMASK(7, 6),
	},
	.tx_ring_desc_size = sizeof(struct mtk_wed_bm_desc),
	.wdma_desc_size = 2 * sizeof(struct mtk_wdma_desc),
};

static void
wed_m32(struct mtk_wed_device *dev, u32 reg, u32 mask, u32 val)
{
	regmap_update_bits(dev->hw->regs, reg, mask | val, val);
}

static void
wed_set(struct mtk_wed_device *dev, u32 reg, u32 mask)
{
	return wed_m32(dev, reg, 0, mask);
}

static void
wed_clr(struct mtk_wed_device *dev, u32 reg, u32 mask)
{
	return wed_m32(dev, reg, mask, 0);
}

static void
wdma_m32(struct mtk_wed_device *dev, u32 reg, u32 mask, u32 val)
{
	wdma_w32(dev, reg, (wdma_r32(dev, reg) & ~mask) | val);
}

static void
wdma_set(struct mtk_wed_device *dev, u32 reg, u32 mask)
{
	wdma_m32(dev, reg, 0, mask);
}

static void
wdma_clr(struct mtk_wed_device *dev, u32 reg, u32 mask)
{
	wdma_m32(dev, reg, mask, 0);
}

static u32
wifi_r32(struct mtk_wed_device *dev, u32 reg)
{
	return readl(dev->wlan.base + reg);
}

static void
wifi_w32(struct mtk_wed_device *dev, u32 reg, u32 val)
{

Annotation

Implementation Notes