From: Lorenzo Bianconi <lorenzo@kernel.org>
To: netdev@vger.kernel.org
Cc: nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com,
Mark-MC.Lee@mediatek.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org,
lorenzo.bianconi@redhat.com, Bo.Jiao@mediatek.com,
sujuan.chen@mediatek.com, ryder.Lee@mediatek.com,
evelyn.tsai@mediatek.com, devicetree@vger.kernel.org,
robh@kernel.org, daniel@makrotopia.org
Subject: [PATCH v3 net-next 08/11] net: ethernet: mtk_eth_wed: add mtk_wed_configure_irq and mtk_wed_dma_{enable/disable}
Date: Tue, 20 Sep 2022 12:11:20 +0200 [thread overview]
Message-ID: <0b96e6d04e6a21c294a1ce1c09e45c43a9ce65e0.1663668203.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1663668203.git.lorenzo@kernel.org>
Introduce mtk_wed_configure_irq, mtk_wed_dma_enable and mtk_wed_dma_disable
utility routines.
This is a preliminary patch to introduce mt7986 wed support.
Tested-by: Daniel Golle <daniel@makrotopia.org>
Co-developed-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_wed.c | 87 +++++++++++++-------
drivers/net/ethernet/mediatek/mtk_wed_regs.h | 6 +-
2 files changed, 64 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index 29be2fcafea3..d1ef5b563ddf 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -237,9 +237,30 @@ mtk_wed_set_ext_int(struct mtk_wed_device *dev, bool en)
}
static void
-mtk_wed_stop(struct mtk_wed_device *dev)
+mtk_wed_dma_disable(struct mtk_wed_device *dev)
{
+ wed_clr(dev, MTK_WED_WPDMA_GLO_CFG,
+ MTK_WED_WPDMA_GLO_CFG_TX_DRV_EN |
+ MTK_WED_WPDMA_GLO_CFG_RX_DRV_EN);
+
+ wed_clr(dev, MTK_WED_WDMA_GLO_CFG, MTK_WED_WDMA_GLO_CFG_RX_DRV_EN);
+
+ wed_clr(dev, MTK_WED_GLO_CFG,
+ MTK_WED_GLO_CFG_TX_DMA_EN |
+ MTK_WED_GLO_CFG_RX_DMA_EN);
+
regmap_write(dev->hw->mirror, dev->hw->index * 4, 0);
+ wdma_m32(dev, MTK_WDMA_GLO_CFG,
+ MTK_WDMA_GLO_CFG_TX_DMA_EN |
+ MTK_WDMA_GLO_CFG_RX_INFO1_PRERES |
+ MTK_WDMA_GLO_CFG_RX_INFO2_PRERES |
+ MTK_WDMA_GLO_CFG_RX_INFO3_PRERES, 0);
+}
+
+static void
+mtk_wed_stop(struct mtk_wed_device *dev)
+{
+ mtk_wed_dma_disable(dev);
mtk_wed_set_ext_int(dev, false);
wed_clr(dev, MTK_WED_CTRL,
@@ -252,15 +273,6 @@ mtk_wed_stop(struct mtk_wed_device *dev)
wdma_w32(dev, MTK_WDMA_INT_MASK, 0);
wdma_w32(dev, MTK_WDMA_INT_GRP2, 0);
wed_w32(dev, MTK_WED_WPDMA_INT_MASK, 0);
-
- wed_clr(dev, MTK_WED_GLO_CFG,
- MTK_WED_GLO_CFG_TX_DMA_EN |
- MTK_WED_GLO_CFG_RX_DMA_EN);
- wed_clr(dev, MTK_WED_WPDMA_GLO_CFG,
- MTK_WED_WPDMA_GLO_CFG_TX_DRV_EN |
- MTK_WED_WPDMA_GLO_CFG_RX_DRV_EN);
- wed_clr(dev, MTK_WED_WDMA_GLO_CFG,
- MTK_WED_WDMA_GLO_CFG_RX_DRV_EN);
}
static void
@@ -313,7 +325,10 @@ mtk_wed_hw_init_early(struct mtk_wed_device *dev)
MTK_WED_WDMA_GLO_CFG_IDLE_DMAD_SUPPLY;
wed_m32(dev, MTK_WED_WDMA_GLO_CFG, mask, set);
- wdma_set(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_INFO_PRERES);
+ wdma_set(dev, MTK_WDMA_GLO_CFG,
+ MTK_WDMA_GLO_CFG_RX_INFO1_PRERES |
+ MTK_WDMA_GLO_CFG_RX_INFO2_PRERES |
+ MTK_WDMA_GLO_CFG_RX_INFO3_PRERES);
offset = dev->hw->index ? 0x04000400 : 0;
wed_w32(dev, MTK_WED_WDMA_OFFSET0, 0x2a042a20 + offset);
@@ -520,43 +535,38 @@ mtk_wed_wdma_ring_setup(struct mtk_wed_device *dev, int idx, int size)
}
static void
-mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
+mtk_wed_configure_irq(struct mtk_wed_device *dev, u32 irq_mask)
{
- u32 wdma_mask;
- u32 val;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++)
- if (!dev->tx_wdma[i].desc)
- mtk_wed_wdma_ring_setup(dev, i, 16);
-
- wdma_mask = FIELD_PREP(MTK_WDMA_INT_MASK_RX_DONE, GENMASK(1, 0));
-
- mtk_wed_hw_init(dev);
+ u32 wdma_mask = FIELD_PREP(MTK_WDMA_INT_MASK_RX_DONE, GENMASK(1, 0));
+ /* wed control cr set */
wed_set(dev, MTK_WED_CTRL,
MTK_WED_CTRL_WDMA_INT_AGENT_EN |
MTK_WED_CTRL_WPDMA_INT_AGENT_EN |
MTK_WED_CTRL_WED_TX_BM_EN |
MTK_WED_CTRL_WED_TX_FREE_AGENT_EN);
- wed_w32(dev, MTK_WED_PCIE_INT_TRIGGER, MTK_WED_PCIE_INT_TRIGGER_STATUS);
+ wed_w32(dev, MTK_WED_PCIE_INT_TRIGGER,
+ MTK_WED_PCIE_INT_TRIGGER_STATUS);
wed_w32(dev, MTK_WED_WPDMA_INT_TRIGGER,
MTK_WED_WPDMA_INT_TRIGGER_RX_DONE |
MTK_WED_WPDMA_INT_TRIGGER_TX_DONE);
- wed_set(dev, MTK_WED_WPDMA_INT_CTRL,
- MTK_WED_WPDMA_INT_CTRL_SUBRT_ADV);
-
+ /* initail wdma interrupt agent */
wed_w32(dev, MTK_WED_WDMA_INT_TRIGGER, wdma_mask);
wed_clr(dev, MTK_WED_WDMA_INT_CTRL, wdma_mask);
wdma_w32(dev, MTK_WDMA_INT_MASK, wdma_mask);
wdma_w32(dev, MTK_WDMA_INT_GRP2, wdma_mask);
-
wed_w32(dev, MTK_WED_WPDMA_INT_MASK, irq_mask);
wed_w32(dev, MTK_WED_INT_MASK, irq_mask);
+}
+
+static void
+mtk_wed_dma_enable(struct mtk_wed_device *dev)
+{
+ wed_set(dev, MTK_WED_WPDMA_INT_CTRL, MTK_WED_WPDMA_INT_CTRL_SUBRT_ADV);
wed_set(dev, MTK_WED_GLO_CFG,
MTK_WED_GLO_CFG_TX_DMA_EN |
@@ -567,6 +577,26 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
wed_set(dev, MTK_WED_WDMA_GLO_CFG,
MTK_WED_WDMA_GLO_CFG_RX_DRV_EN);
+ wdma_set(dev, MTK_WDMA_GLO_CFG,
+ MTK_WDMA_GLO_CFG_TX_DMA_EN |
+ MTK_WDMA_GLO_CFG_RX_INFO1_PRERES |
+ MTK_WDMA_GLO_CFG_RX_INFO2_PRERES |
+ MTK_WDMA_GLO_CFG_RX_INFO3_PRERES);
+}
+
+static void
+mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
+{
+ u32 val;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++)
+ if (!dev->tx_wdma[i].desc)
+ mtk_wed_wdma_ring_setup(dev, i, 16);
+
+ mtk_wed_hw_init(dev);
+ mtk_wed_configure_irq(dev, irq_mask);
+
mtk_wed_set_ext_int(dev, true);
val = dev->wlan.wpdma_phys |
MTK_PCIE_MIRROR_MAP_EN |
@@ -577,6 +607,7 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
val |= BIT(0);
regmap_write(dev->hw->mirror, dev->hw->index * 4, val);
+ mtk_wed_dma_enable(dev);
dev->running = true;
}
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_regs.h b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
index 0a0465ea58b4..eec22daebd30 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_regs.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
@@ -224,7 +224,11 @@ struct mtk_wdma_desc {
#define MTK_WDMA_RING_RX(_n) (0x100 + (_n) * 0x10)
#define MTK_WDMA_GLO_CFG 0x204
-#define MTK_WDMA_GLO_CFG_RX_INFO_PRERES GENMASK(28, 26)
+#define MTK_WDMA_GLO_CFG_TX_DMA_EN BIT(0)
+#define MTK_WDMA_GLO_CFG_RX_DMA_EN BIT(2)
+#define MTK_WDMA_GLO_CFG_RX_INFO3_PRERES BIT(26)
+#define MTK_WDMA_GLO_CFG_RX_INFO2_PRERES BIT(27)
+#define MTK_WDMA_GLO_CFG_RX_INFO1_PRERES BIT(28)
#define MTK_WDMA_RESET_IDX 0x208
#define MTK_WDMA_RESET_IDX_TX GENMASK(3, 0)
--
2.37.3
next prev parent reply other threads:[~2022-09-20 10:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 10:11 [PATCH v3 net-next 00/11] Add WED support for MT7986 chipset Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 01/11] arm64: dts: mediatek: mt7986: add support for Wireless Ethernet Dispatch Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 02/11] dt-bindings: net: mediatek: add WED binding for MT7986 eth driver Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 03/11] net: ethernet: mtk_eth_soc: move gdma_to_ppe and ppe_base definitions in mtk register map Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 04/11] net: ethernet: mtk_eth_soc: move ppe table hash offset to mtk_soc_data structure Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 05/11] net: ethernet: mtk_eth_soc: add the capability to run multiple ppe Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 06/11] net: ethernet: mtk_eth_soc: move wdma_base definitions in mtk register map Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 07/11] net: ethernet: mtk_eth_soc: add foe_entry_size to mtk_eth_soc Lorenzo Bianconi
2022-09-20 10:11 ` Lorenzo Bianconi [this message]
2022-09-20 10:11 ` [PATCH v3 net-next 09/11] net: ethernet: mtk_eth_wed: add wed support for mt7986 chipset Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 10/11] net: ethernet: mtk_eth_wed: add axi bus support Lorenzo Bianconi
2022-09-20 10:11 ` [PATCH v3 net-next 11/11] net: ethernet: mtk_eth_soc: introduce flow offloading support for mt7986 Lorenzo Bianconi
2022-09-22 13:50 ` [PATCH v3 net-next 00/11] Add WED support for MT7986 chipset patchwork-bot+netdevbpf
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