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path: root/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/dma.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7615/dma.c220
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;
}