diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/dma.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/dma.c | 220 |
1 files changed, 166 insertions, 54 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c index 285d4f1d6178..b19f208e3d54 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c @@ -12,47 +12,85 @@ #include "mac.h" static int -mt7615_init_tx_queues(struct mt7615_dev *dev, int n_desc) +mt7615_init_tx_queue(struct mt7615_dev *dev, struct mt76_sw_queue *q, + int idx, int n_desc) { - struct mt76_sw_queue *q; struct mt76_queue *hwq; - int err, i; + int err; hwq = devm_kzalloc(dev->mt76.dev, sizeof(*hwq), GFP_KERNEL); if (!hwq) return -ENOMEM; - err = mt76_queue_alloc(dev, hwq, 0, n_desc, 0, MT_TX_RING_BASE); + err = mt76_queue_alloc(dev, hwq, idx, n_desc, 0, MT_TX_RING_BASE); if (err < 0) return err; - for (i = 0; i < MT_TXQ_MCU; i++) { - q = &dev->mt76.q_tx[i]; - INIT_LIST_HEAD(&q->swq); - q->q = hwq; - } + INIT_LIST_HEAD(&q->swq); + q->q = hwq; return 0; } static int -mt7615_init_mcu_queue(struct mt7615_dev *dev, struct mt76_sw_queue *q, - int idx, int n_desc) +mt7622_init_tx_queues_multi(struct mt7615_dev *dev) { - struct mt76_queue *hwq; - int err; + static const u8 wmm_queue_map[] = { + MT7622_TXQ_AC0, + MT7622_TXQ_AC1, + MT7622_TXQ_AC2, + MT7622_TXQ_AC3, + }; + int ret; + int i; - hwq = devm_kzalloc(dev->mt76.dev, sizeof(*hwq), GFP_KERNEL); - if (!hwq) - return -ENOMEM; + for (i = 0; i < ARRAY_SIZE(wmm_queue_map); i++) { + ret = mt7615_init_tx_queue(dev, &dev->mt76.q_tx[i], + wmm_queue_map[i], + MT7615_TX_RING_SIZE / 2); + if (ret) + return ret; + } - err = mt76_queue_alloc(dev, hwq, idx, n_desc, 0, MT_TX_RING_BASE); - if (err < 0) - return err; + ret = mt7615_init_tx_queue(dev, &dev->mt76.q_tx[MT_TXQ_PSD], + MT7622_TXQ_MGMT, MT7615_TX_MGMT_RING_SIZE); + if (ret) + return ret; - INIT_LIST_HEAD(&q->swq); - q->q = hwq; + ret = mt7615_init_tx_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU], + MT7622_TXQ_MCU, MT7615_TX_MCU_RING_SIZE); + return ret; +} + +static int +mt7615_init_tx_queues(struct mt7615_dev *dev) +{ + struct mt76_sw_queue *q; + int ret, i; + + ret = mt7615_init_tx_queue(dev, &dev->mt76.q_tx[MT_TXQ_FWDL], + MT7615_TXQ_FWDL, + MT7615_TX_FWDL_RING_SIZE); + if (ret) + return ret; + + if (!is_mt7615(&dev->mt76)) + return mt7622_init_tx_queues_multi(dev); + + ret = mt7615_init_tx_queue(dev, &dev->mt76.q_tx[0], 0, + MT7615_TX_RING_SIZE); + if (ret) + return ret; + for (i = 1; i < MT_TXQ_MCU; i++) { + q = &dev->mt76.q_tx[i]; + INIT_LIST_HEAD(&q->swq); + q->q = dev->mt76.q_tx[0].q; + } + + ret = mt7615_init_tx_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU], + MT7615_TXQ_MCU, + MT7615_TX_MCU_RING_SIZE); return 0; } @@ -63,8 +101,12 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, __le32 *rxd = (__le32 *)skb->data; __le32 *end = (__le32 *)&skb->data[skb->len]; enum rx_pkt_type type; + u16 flag; type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0])); + flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0])); + if (type == PKT_TYPE_RX_EVENT && flag == 0x1) + type = PKT_TYPE_NORMAL_MCU; switch (type) { case PKT_TYPE_TXS: @@ -78,6 +120,7 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, case PKT_TYPE_RX_EVENT: mt7615_mcu_rx_event(dev, skb); break; + case PKT_TYPE_NORMAL_MCU: case PKT_TYPE_NORMAL: if (!mt7615_mac_fill_rx(dev, skb)) { mt76_rx(&dev->mt76, q, skb); @@ -90,25 +133,32 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, } } +static void +mt7615_tx_cleanup(struct mt7615_dev *dev) +{ + int i; + + mt76_queue_tx_cleanup(dev, MT_TXQ_MCU, false); + if (is_mt7615(&dev->mt76)) { + mt76_queue_tx_cleanup(dev, MT_TXQ_BE, false); + } else { + for (i = 0; i < IEEE80211_NUM_ACS; i++) + mt76_queue_tx_cleanup(dev, i, false); + } +} + static int mt7615_poll_tx(struct napi_struct *napi, int budget) { - static const u8 queue_map[] = { - MT_TXQ_MCU, - MT_TXQ_BE - }; struct mt7615_dev *dev; - int i; dev = container_of(napi, struct mt7615_dev, mt76.tx_napi); - for (i = 0; i < ARRAY_SIZE(queue_map); i++) - mt76_queue_tx_cleanup(dev, queue_map[i], false); + mt7615_tx_cleanup(dev); if (napi_complete_done(napi, 0)) mt7615_irq_enable(dev, MT_INT_TX_DONE_ALL); - for (i = 0; i < ARRAY_SIZE(queue_map); i++) - mt76_queue_tx_cleanup(dev, queue_map[i], false); + mt7615_tx_cleanup(dev); mt7615_mac_sta_poll(dev); @@ -117,8 +167,68 @@ static int mt7615_poll_tx(struct napi_struct *napi, int budget) return 0; } +static void mt7622_dma_sched_init(struct mt7615_dev *dev) +{ + u32 reg = mt7615_reg_map(dev, MT_DMASHDL_BASE); + int i; + + mt76_rmw(dev, reg + MT_DMASHDL_PKT_MAX_SIZE, + MT_DMASHDL_PKT_MAX_SIZE_PLE | MT_DMASHDL_PKT_MAX_SIZE_PSE, + FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PLE, 1) | + FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PSE, 8)); + + for (i = 0; i <= 5; i++) + mt76_wr(dev, reg + MT_DMASHDL_GROUP_QUOTA(i), + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x10) | + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x800)); + + mt76_wr(dev, reg + MT_DMASHDL_Q_MAP(0), 0x42104210); + mt76_wr(dev, reg + MT_DMASHDL_Q_MAP(1), 0x42104210); + mt76_wr(dev, reg + MT_DMASHDL_Q_MAP(2), 0x5); + mt76_wr(dev, reg + MT_DMASHDL_Q_MAP(3), 0); + + mt76_wr(dev, reg + MT_DMASHDL_SCHED_SET0, 0x6012345f); + mt76_wr(dev, reg + MT_DMASHDL_SCHED_SET1, 0xedcba987); +} + +static void mt7663_dma_sched_init(struct mt7615_dev *dev) +{ + int i; + + mt76_rmw(dev, MT_DMA_SHDL(MT_DMASHDL_PKT_MAX_SIZE), + MT_DMASHDL_PKT_MAX_SIZE_PLE | MT_DMASHDL_PKT_MAX_SIZE_PSE, + FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PLE, 1) | + FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PSE, 8)); + + /* enable refill control group 0, 1, 2, 4, 5 */ + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_REFILL), 0xffc80000); + /* enable group 0, 1, 2, 4, 5, 15 */ + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_OPTIONAL), 0x70068037); + + /* each group min quota must larger then PLE_PKT_MAX_SIZE_NUM */ + for (i = 0; i < 5; i++) + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(i)), + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x40) | + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x800)); + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(5)), + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x40) | + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x40)); + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(15)), + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x20) | + FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x20)); + + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(0)), 0x42104210); + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(1)), 0x42104210); + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(2)), 0x00050005); + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(3)), 0); + /* ALTX0 and ALTX1 QID mapping to group 5 */ + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET0), 0x6012345f); + mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET1), 0xedcba987); +} + int mt7615_dma_init(struct mt7615_dev *dev) { + int rx_ring_size = MT7615_RX_RING_SIZE; int ret; mt76_dma_attach(&dev->mt76); @@ -126,7 +236,6 @@ int mt7615_dma_init(struct mt7615_dev *dev) mt76_wr(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE | MT_WPDMA_GLO_CFG_FIFO_LITTLE_ENDIAN | - MT_WPDMA_GLO_CFG_FIRST_TOKEN_ONLY | MT_WPDMA_GLO_CFG_OMIT_TX_INFO); mt76_rmw_field(dev, MT_WPDMA_GLO_CFG, @@ -141,28 +250,22 @@ int mt7615_dma_init(struct mt7615_dev *dev) mt76_rmw_field(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_MULTI_DMA_EN, 0x3); - mt76_wr(dev, MT_WPDMA_GLO_CFG1, 0x1); - mt76_wr(dev, MT_WPDMA_TX_PRE_CFG, 0xf0000); - mt76_wr(dev, MT_WPDMA_RX_PRE_CFG, 0xf7f0000); - mt76_wr(dev, MT_WPDMA_ABT_CFG, 0x4000026); - mt76_wr(dev, MT_WPDMA_ABT_CFG1, 0x18811881); - mt76_set(dev, 0x7158, BIT(16)); - mt76_clear(dev, 0x7000, BIT(23)); - mt76_wr(dev, MT_WPDMA_RST_IDX, ~0); - - ret = mt7615_init_tx_queues(dev, MT7615_TX_RING_SIZE); - if (ret) - return ret; + if (is_mt7615(&dev->mt76)) { + mt76_set(dev, MT_WPDMA_GLO_CFG, + MT_WPDMA_GLO_CFG_FIRST_TOKEN_ONLY); + + mt76_wr(dev, MT_WPDMA_GLO_CFG1, 0x1); + mt76_wr(dev, MT_WPDMA_TX_PRE_CFG, 0xf0000); + mt76_wr(dev, MT_WPDMA_RX_PRE_CFG, 0xf7f0000); + mt76_wr(dev, MT_WPDMA_ABT_CFG, 0x4000026); + mt76_wr(dev, MT_WPDMA_ABT_CFG1, 0x18811881); + mt76_set(dev, 0x7158, BIT(16)); + mt76_clear(dev, 0x7000, BIT(23)); + } - ret = mt7615_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU], - MT7615_TXQ_MCU, - MT7615_TX_MCU_RING_SIZE); - if (ret) - return ret; + mt76_wr(dev, MT_WPDMA_RST_IDX, ~0); - ret = mt7615_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_FWDL], - MT7615_TXQ_FWDL, - MT7615_TX_FWDL_RING_SIZE); + ret = mt7615_init_tx_queues(dev); if (ret) return ret; @@ -173,9 +276,11 @@ int mt7615_dma_init(struct mt7615_dev *dev) if (ret) return ret; + if (!is_mt7615(&dev->mt76)) + rx_ring_size /= 2; + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0, - MT7615_RX_RING_SIZE, MT_RX_BUF_SIZE, - MT_RX_RING_BASE); + rx_ring_size, MT_RX_BUF_SIZE, MT_RX_RING_BASE); if (ret) return ret; @@ -199,7 +304,14 @@ int mt7615_dma_init(struct mt7615_dev *dev) MT_WPDMA_GLO_CFG_RX_DMA_EN); /* enable interrupts for TX/RX rings */ - mt7615_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL); + mt7615_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL | + MT_INT_MCU_CMD); + + if (is_mt7622(&dev->mt76)) + mt7622_dma_sched_init(dev); + + if (is_mt7663(&dev->mt76)) + mt7663_dma_sched_init(dev); return 0; } |