diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_wed.c')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_wed.c | 87 |
1 files changed, 59 insertions, 28 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; } |