diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/dma.c | 156 |
1 files changed, 2 insertions, 154 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index 1ac66526eb02..fdc598e099f6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -5,158 +5,6 @@ #include "../dma.h" #include "../mt76_connac2_mac.h" -static int mt7921_poll_tx(struct napi_struct *napi, int budget) -{ - struct mt792x_dev *dev; - - dev = container_of(napi, struct mt792x_dev, mt76.tx_napi); - - if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { - napi_complete(napi); - queue_work(dev->mt76.wq, &dev->pm.wake_work); - return 0; - } - - mt76_connac_tx_cleanup(&dev->mt76); - if (napi_complete(napi)) - mt76_connac_irq_enable(&dev->mt76, - dev->irq_map->tx.all_complete_mask); - mt76_connac_pm_unref(&dev->mphy, &dev->pm); - - return 0; -} - -static void mt7921_dma_prefetch(struct mt792x_dev *dev) -{ -#define PREFETCH(base, depth) ((base) << 16 | (depth)) - - mt76_wr(dev, MT_WFDMA0_RX_RING0_EXT_CTRL, PREFETCH(0x0, 0x4)); - mt76_wr(dev, MT_WFDMA0_RX_RING2_EXT_CTRL, PREFETCH(0x40, 0x4)); - mt76_wr(dev, MT_WFDMA0_RX_RING3_EXT_CTRL, PREFETCH(0x80, 0x4)); - mt76_wr(dev, MT_WFDMA0_RX_RING4_EXT_CTRL, PREFETCH(0xc0, 0x4)); - mt76_wr(dev, MT_WFDMA0_RX_RING5_EXT_CTRL, PREFETCH(0x100, 0x4)); - - mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, PREFETCH(0x140, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING1_EXT_CTRL, PREFETCH(0x180, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING2_EXT_CTRL, PREFETCH(0x1c0, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING3_EXT_CTRL, PREFETCH(0x200, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING4_EXT_CTRL, PREFETCH(0x240, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING5_EXT_CTRL, PREFETCH(0x280, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING6_EXT_CTRL, PREFETCH(0x2c0, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING16_EXT_CTRL, PREFETCH(0x340, 0x4)); - mt76_wr(dev, MT_WFDMA0_TX_RING17_EXT_CTRL, PREFETCH(0x380, 0x4)); -} - -static int mt7921_dma_enable(struct mt792x_dev *dev) -{ - /* configure perfetch settings */ - mt7921_dma_prefetch(dev); - - /* reset dma idx */ - mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0); - - /* configure delay interrupt */ - mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0); - - mt76_set(dev, MT_WFDMA0_GLO_CFG, - MT_WFDMA0_GLO_CFG_TX_WB_DDONE | - MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN | - MT_WFDMA0_GLO_CFG_CLK_GAT_DIS | - MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | - MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN | - MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); - - mt76_set(dev, MT_WFDMA0_GLO_CFG, - MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); - - mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); - - /* enable interrupts for TX/RX rings */ - mt76_connac_irq_enable(&dev->mt76, - dev->irq_map->tx.all_complete_mask | - MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD); - mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE); - - return 0; -} - -static int mt7921_dma_reset(struct mt792x_dev *dev, bool force) -{ - int i, err; - - err = mt792x_dma_disable(dev, force); - if (err) - return err; - - /* reset hw queues */ - for (i = 0; i < __MT_TXQ_MAX; i++) - mt76_queue_reset(dev, dev->mphy.q_tx[i]); - - for (i = 0; i < __MT_MCUQ_MAX; i++) - mt76_queue_reset(dev, dev->mt76.q_mcu[i]); - - mt76_for_each_q_rx(&dev->mt76, i) - mt76_queue_reset(dev, &dev->mt76.q_rx[i]); - - mt76_tx_status_check(&dev->mt76, true); - - return mt7921_dma_enable(dev); -} - -int mt7921_wpdma_reset(struct mt792x_dev *dev, bool force) -{ - int i, err; - - /* clean up hw queues */ - for (i = 0; i < ARRAY_SIZE(dev->mt76.phy.q_tx); i++) - mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true); - - for (i = 0; i < ARRAY_SIZE(dev->mt76.q_mcu); i++) - mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true); - - mt76_for_each_q_rx(&dev->mt76, i) - mt76_queue_rx_cleanup(dev, &dev->mt76.q_rx[i]); - - if (force) { - err = mt792x_wfsys_reset(dev, MT_WFSYS_SW_RST_B); - if (err) - return err; - } - err = mt7921_dma_reset(dev, force); - if (err) - return err; - - mt76_for_each_q_rx(&dev->mt76, i) - mt76_queue_rx_reset(dev, i); - - return 0; -} - -int mt7921_wpdma_reinit_cond(struct mt792x_dev *dev) -{ - struct mt76_connac_pm *pm = &dev->pm; - int err; - - /* check if the wpdma must be reinitialized */ - if (mt792x_dma_need_reinit(dev)) { - /* disable interrutpts */ - mt76_wr(dev, dev->irq_map->host_irq_enable, 0); - mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0); - - err = mt7921_wpdma_reset(dev, false); - if (err) { - dev_err(dev->mt76.dev, "wpdma reset failed\n"); - return err; - } - - /* enable interrutpts */ - mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); - pm->stats.lp_wake++; - } - - return 0; -} - int mt7921_dma_init(struct mt792x_dev *dev) { int ret; @@ -216,8 +64,8 @@ int mt7921_dma_init(struct mt792x_dev *dev) return ret; netif_napi_add_tx(&dev->mt76.tx_napi_dev, &dev->mt76.tx_napi, - mt7921_poll_tx); + mt792x_poll_tx); napi_enable(&dev->mt76.tx_napi); - return mt7921_dma_enable(dev); + return mt792x_dma_enable(dev); } |