diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7996/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/dma.c | 83 |
1 files changed, 49 insertions, 34 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c index 534143465d9b..586e247a1e06 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c @@ -128,7 +128,7 @@ static void mt7996_dma_disable(struct mt7996_dev *dev, bool reset) } } -static int mt7996_dma_enable(struct mt7996_dev *dev) +void mt7996_dma_start(struct mt7996_dev *dev, bool reset) { u32 hif1_ofs = 0; u32 irq_mask; @@ -136,6 +136,50 @@ static int mt7996_dma_enable(struct mt7996_dev *dev) if (dev->hif2) hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); + /* enable WFDMA Tx/Rx */ + if (!reset) { + mt76_set(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | + MT_WFDMA0_GLO_CFG_RX_DMA_EN | + MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); + + if (dev->hif2) + mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | + MT_WFDMA0_GLO_CFG_RX_DMA_EN | + MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); + } + + /* enable interrupts for TX/RX rings */ + irq_mask = MT_INT_MCU_CMD; + if (reset) + goto done; + + irq_mask = MT_INT_RX_DONE_MCU | MT_INT_TX_DONE_MCU; + + if (!dev->mphy.band_idx) + irq_mask |= MT_INT_BAND0_RX_DONE; + + if (dev->dbdc_support) + irq_mask |= MT_INT_BAND1_RX_DONE; + + if (dev->tbtc_support) + irq_mask |= MT_INT_BAND2_RX_DONE; + +done: + mt7996_irq_enable(dev, irq_mask); + mt7996_irq_disable(dev, 0); +} + +static void mt7996_dma_enable(struct mt7996_dev *dev, bool reset) +{ + u32 hif1_ofs = 0; + + if (dev->hif2) + hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); + /* reset dma idx */ mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0); if (dev->hif2) @@ -170,13 +214,6 @@ static int mt7996_dma_enable(struct mt7996_dev *dev) mt76_poll(dev, MT_WFDMA_EXT_CSR_HIF_MISC, MT_WFDMA_EXT_CSR_HIF_MISC_BUSY, 0, 1000); - /* set WFDMA Tx/Rx */ - mt76_set(dev, MT_WFDMA0_GLO_CFG, - MT_WFDMA0_GLO_CFG_TX_DMA_EN | - MT_WFDMA0_GLO_CFG_RX_DMA_EN | - MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | - MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); - /* GLO_CFG_EXT0 */ mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT0, WF_WFDMA0_GLO_CFG_EXT0_RX_WB_RXD | @@ -187,12 +224,6 @@ static int mt7996_dma_enable(struct mt7996_dev *dev) WF_WFDMA0_GLO_CFG_EXT1_TX_FCTRL_MODE); if (dev->hif2) { - mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs, - MT_WFDMA0_GLO_CFG_TX_DMA_EN | - MT_WFDMA0_GLO_CFG_RX_DMA_EN | - MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | - MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); - /* GLO_CFG_EXT0 */ mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT0 + hif1_ofs, WF_WFDMA0_GLO_CFG_EXT0_RX_WB_RXD | @@ -216,23 +247,7 @@ static int mt7996_dma_enable(struct mt7996_dev *dev) /* TODO: redirect rx ring6 interrupt to pcie0 for wed function */ } - /* enable interrupts for TX/RX rings */ - irq_mask = MT_INT_RX_DONE_MCU | - MT_INT_TX_DONE_MCU | - MT_INT_MCU_CMD; - - if (!dev->mphy.band_idx) - irq_mask |= MT_INT_BAND0_RX_DONE; - - if (dev->dbdc_support) - irq_mask |= MT_INT_BAND1_RX_DONE; - - if (dev->tbtc_support) - irq_mask |= MT_INT_BAND2_RX_DONE; - - mt7996_irq_enable(dev, irq_mask); - - return 0; + mt7996_dma_start(dev, reset); } int mt7996_dma_init(struct mt7996_dev *dev) @@ -293,7 +308,7 @@ int mt7996_dma_init(struct mt7996_dev *dev) /* event from WA */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], MT_RXQ_ID(MT_RXQ_MCU_WA), - MT7996_RX_MCU_RING_SIZE, + MT7996_RX_MCU_RING_SIZE_WA, MT_RX_BUF_SIZE, MT_RXQ_RING_BASE(MT_RXQ_MCU_WA)); if (ret) @@ -347,7 +362,7 @@ int mt7996_dma_init(struct mt7996_dev *dev) mt7996_poll_tx); napi_enable(&dev->mt76.tx_napi); - mt7996_dma_enable(dev); + mt7996_dma_enable(dev, false); return 0; } @@ -413,7 +428,7 @@ void mt7996_dma_reset(struct mt7996_dev *dev, bool force) mt76_for_each_q_rx(&dev->mt76, i) mt76_queue_rx_reset(dev, i); - mt7996_dma_enable(dev); + mt7996_dma_enable(dev, !force); } void mt7996_dma_cleanup(struct mt7996_dev *dev) |