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JustOS/linux-6.13/drivers/net/wireless/mediatek/mt76/mt7996/dma.c
justuser 02e73b8cd9 up
2025-01-24 17:00:19 +03:00

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// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2022 MediaTek Inc.
*/
#include "mt7996.h"
#include "../dma.h"
#include "mac.h"
int mt7996_init_tx_queues(struct mt7996_phy *phy, int idx, int n_desc,
int ring_base, struct mtk_wed_device *wed)
{
struct mt7996_dev *dev = phy->dev;
u32 flags = 0;
if (mtk_wed_device_active(wed)) {
ring_base += MT_TXQ_ID(0) * MT_RING_SIZE;
idx -= MT_TXQ_ID(0);
if (phy->mt76->band_idx == MT_BAND2)
flags = MT_WED_Q_TX(0);
else
flags = MT_WED_Q_TX(idx);
}
return mt76_connac_init_tx_queues(phy->mt76, idx, n_desc,
ring_base, wed, flags);
}
static int mt7996_poll_tx(struct napi_struct *napi, int budget)
{
struct mt7996_dev *dev;
dev = container_of(napi, struct mt7996_dev, mt76.tx_napi);
mt76_connac_tx_cleanup(&dev->mt76);
if (napi_complete_done(napi, 0))
mt7996_irq_enable(dev, MT_INT_TX_DONE_MCU);
return 0;
}
static void mt7996_dma_config(struct mt7996_dev *dev)
{
#define Q_CONFIG(q, wfdma, int, id) do { \
if (wfdma) \
dev->q_wfdma_mask |= (1 << (q)); \
dev->q_int_mask[(q)] = int; \
dev->q_id[(q)] = id; \
} while (0)
#define MCUQ_CONFIG(q, wfdma, int, id) Q_CONFIG(q, (wfdma), (int), (id))
#define RXQ_CONFIG(q, wfdma, int, id) Q_CONFIG(__RXQ(q), (wfdma), (int), (id))
#define TXQ_CONFIG(q, wfdma, int, id) Q_CONFIG(__TXQ(q), (wfdma), (int), (id))
/* rx queue */
RXQ_CONFIG(MT_RXQ_MCU, WFDMA0, MT_INT_RX_DONE_WM, MT7996_RXQ_MCU_WM);
RXQ_CONFIG(MT_RXQ_MCU_WA, WFDMA0, MT_INT_RX_DONE_WA, MT7996_RXQ_MCU_WA);
/* mt7996: band0 and band1, mt7992: band0 */
RXQ_CONFIG(MT_RXQ_MAIN, WFDMA0, MT_INT_RX_DONE_BAND0, MT7996_RXQ_BAND0);
RXQ_CONFIG(MT_RXQ_MAIN_WA, WFDMA0, MT_INT_RX_DONE_WA_MAIN, MT7996_RXQ_MCU_WA_MAIN);
if (is_mt7996(&dev->mt76)) {
/* mt7996 band2 */
RXQ_CONFIG(MT_RXQ_BAND2, WFDMA0, MT_INT_RX_DONE_BAND2, MT7996_RXQ_BAND2);
RXQ_CONFIG(MT_RXQ_BAND2_WA, WFDMA0, MT_INT_RX_DONE_WA_TRI, MT7996_RXQ_MCU_WA_TRI);
} else {
/* mt7992 band1 */
RXQ_CONFIG(MT_RXQ_BAND1, WFDMA0, MT_INT_RX_DONE_BAND1, MT7996_RXQ_BAND1);
RXQ_CONFIG(MT_RXQ_BAND1_WA, WFDMA0, MT_INT_RX_DONE_WA_EXT, MT7996_RXQ_MCU_WA_EXT);
}
if (dev->has_rro) {
/* band0 */
RXQ_CONFIG(MT_RXQ_RRO_BAND0, WFDMA0, MT_INT_RX_DONE_RRO_BAND0,
MT7996_RXQ_RRO_BAND0);
RXQ_CONFIG(MT_RXQ_MSDU_PAGE_BAND0, WFDMA0, MT_INT_RX_DONE_MSDU_PG_BAND0,
MT7996_RXQ_MSDU_PG_BAND0);
RXQ_CONFIG(MT_RXQ_TXFREE_BAND0, WFDMA0, MT_INT_RX_TXFREE_MAIN,
MT7996_RXQ_TXFREE0);
/* band1 */
RXQ_CONFIG(MT_RXQ_MSDU_PAGE_BAND1, WFDMA0, MT_INT_RX_DONE_MSDU_PG_BAND1,
MT7996_RXQ_MSDU_PG_BAND1);
/* band2 */
RXQ_CONFIG(MT_RXQ_RRO_BAND2, WFDMA0, MT_INT_RX_DONE_RRO_BAND2,
MT7996_RXQ_RRO_BAND2);
RXQ_CONFIG(MT_RXQ_MSDU_PAGE_BAND2, WFDMA0, MT_INT_RX_DONE_MSDU_PG_BAND2,
MT7996_RXQ_MSDU_PG_BAND2);
RXQ_CONFIG(MT_RXQ_TXFREE_BAND2, WFDMA0, MT_INT_RX_TXFREE_TRI,
MT7996_RXQ_TXFREE2);
RXQ_CONFIG(MT_RXQ_RRO_IND, WFDMA0, MT_INT_RX_DONE_RRO_IND,
MT7996_RXQ_RRO_IND);
}
/* data tx queue */
TXQ_CONFIG(0, WFDMA0, MT_INT_TX_DONE_BAND0, MT7996_TXQ_BAND0);
if (is_mt7996(&dev->mt76)) {
TXQ_CONFIG(1, WFDMA0, MT_INT_TX_DONE_BAND1, MT7996_TXQ_BAND1);
TXQ_CONFIG(2, WFDMA0, MT_INT_TX_DONE_BAND2, MT7996_TXQ_BAND2);
} else {
TXQ_CONFIG(1, WFDMA0, MT_INT_TX_DONE_BAND1, MT7996_TXQ_BAND1);
}
/* mcu tx queue */
MCUQ_CONFIG(MT_MCUQ_WM, WFDMA0, MT_INT_TX_DONE_MCU_WM, MT7996_TXQ_MCU_WM);
MCUQ_CONFIG(MT_MCUQ_WA, WFDMA0, MT_INT_TX_DONE_MCU_WA, MT7996_TXQ_MCU_WA);
MCUQ_CONFIG(MT_MCUQ_FWDL, WFDMA0, MT_INT_TX_DONE_FWDL, MT7996_TXQ_FWDL);
}
static u32 __mt7996_dma_prefetch_base(u16 *base, u8 depth)
{
u32 ret = *base << 16 | depth;
*base = *base + (depth << 4);
return ret;
}
static void __mt7996_dma_prefetch(struct mt7996_dev *dev, u32 ofs)
{
u16 base = 0;
u8 queue;
#define PREFETCH(_depth) (__mt7996_dma_prefetch_base(&base, (_depth)))
/* prefetch SRAM wrapping boundary for tx/rx ring. */
mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_FWDL) + ofs, PREFETCH(0x2));
mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WM) + ofs, PREFETCH(0x2));
mt76_wr(dev, MT_TXQ_EXT_CTRL(0) + ofs, PREFETCH(0x8));
mt76_wr(dev, MT_TXQ_EXT_CTRL(1) + ofs, PREFETCH(0x8));
mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WA) + ofs, PREFETCH(0x2));
mt76_wr(dev, MT_TXQ_EXT_CTRL(2) + ofs, PREFETCH(0x8));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MCU) + ofs, PREFETCH(0x2));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MCU_WA) + ofs, PREFETCH(0x2));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MAIN_WA) + ofs, PREFETCH(0x2));
queue = is_mt7996(&dev->mt76) ? MT_RXQ_BAND2_WA : MT_RXQ_BAND1_WA;
mt76_wr(dev, MT_RXQ_BAND1_CTRL(queue) + ofs, PREFETCH(0x2));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MAIN) + ofs, PREFETCH(0x10));
queue = is_mt7996(&dev->mt76) ? MT_RXQ_BAND2 : MT_RXQ_BAND1;
mt76_wr(dev, MT_RXQ_BAND1_CTRL(queue) + ofs, PREFETCH(0x10));
if (dev->has_rro) {
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_RRO_BAND0) + ofs,
PREFETCH(0x10));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_RRO_BAND2) + ofs,
PREFETCH(0x10));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MSDU_PAGE_BAND0) + ofs,
PREFETCH(0x4));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MSDU_PAGE_BAND1) + ofs,
PREFETCH(0x4));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MSDU_PAGE_BAND2) + ofs,
PREFETCH(0x4));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_TXFREE_BAND0) + ofs,
PREFETCH(0x4));
mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_TXFREE_BAND2) + ofs,
PREFETCH(0x4));
}
#undef PREFETCH
mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT1 + ofs, WF_WFDMA0_GLO_CFG_EXT1_CALC_MODE);
}
void mt7996_dma_prefetch(struct mt7996_dev *dev)
{
__mt7996_dma_prefetch(dev, 0);
if (dev->hif2)
__mt7996_dma_prefetch(dev, MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0));
}
static void mt7996_dma_disable(struct mt7996_dev *dev, bool reset)
{
u32 hif1_ofs = 0;
if (dev->hif2)
hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
if (reset) {
mt76_clear(dev, MT_WFDMA0_RST,
MT_WFDMA0_RST_DMASHDL_ALL_RST |
MT_WFDMA0_RST_LOGIC_RST);
mt76_set(dev, MT_WFDMA0_RST,
MT_WFDMA0_RST_DMASHDL_ALL_RST |
MT_WFDMA0_RST_LOGIC_RST);
if (dev->hif2) {
mt76_clear(dev, MT_WFDMA0_RST + hif1_ofs,
MT_WFDMA0_RST_DMASHDL_ALL_RST |
MT_WFDMA0_RST_LOGIC_RST);
mt76_set(dev, MT_WFDMA0_RST + hif1_ofs,
MT_WFDMA0_RST_DMASHDL_ALL_RST |
MT_WFDMA0_RST_LOGIC_RST);
}
}
/* disable */
mt76_clear(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 |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
if (dev->hif2) {
mt76_clear(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 |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
}
}
void mt7996_dma_start(struct mt7996_dev *dev, bool reset, bool wed_reset)
{
struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
u32 hif1_ofs = 0;
u32 irq_mask;
if (dev->hif2)
hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
/* enable WFDMA Tx/Rx */
if (!reset) {
if (mtk_wed_device_active(wed) && mtk_wed_get_rx_capa(wed))
mt76_set(dev, MT_WFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_TX_DMA_EN |
MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
MT_WFDMA0_GLO_CFG_EXT_EN);
else
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 |
MT_WFDMA0_GLO_CFG_EXT_EN);
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 |
MT_WFDMA0_GLO_CFG_EXT_EN);
}
/* enable interrupts for TX/RX rings */
irq_mask = MT_INT_MCU_CMD | MT_INT_RX_DONE_MCU | MT_INT_TX_DONE_MCU;
if (mt7996_band_valid(dev, MT_BAND0))
irq_mask |= MT_INT_BAND0_RX_DONE;
if (mt7996_band_valid(dev, MT_BAND1))
irq_mask |= MT_INT_BAND1_RX_DONE;
if (mt7996_band_valid(dev, MT_BAND2))
irq_mask |= MT_INT_BAND2_RX_DONE;
if (mtk_wed_device_active(wed) && wed_reset) {
u32 wed_irq_mask = irq_mask;
wed_irq_mask |= MT_INT_TX_DONE_BAND0 | MT_INT_TX_DONE_BAND1;
mt76_wr(dev, MT_INT_MASK_CSR, wed_irq_mask);
mtk_wed_device_start(wed, wed_irq_mask);
}
irq_mask = reset ? MT_INT_MCU_CMD : irq_mask;
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)
mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR + hif1_ofs, ~0);
/* configure delay interrupt off */
mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0);
mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1, 0);
mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2, 0);
if (dev->hif2) {
mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0 + hif1_ofs, 0);
mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1 + hif1_ofs, 0);
mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2 + hif1_ofs, 0);
}
/* configure perfetch settings */
mt7996_dma_prefetch(dev);
/* hif wait WFDMA idle */
mt76_set(dev, MT_WFDMA0_BUSY_ENA,
MT_WFDMA0_BUSY_ENA_TX_FIFO0 |
MT_WFDMA0_BUSY_ENA_TX_FIFO1 |
MT_WFDMA0_BUSY_ENA_RX_FIFO);
if (dev->hif2)
mt76_set(dev, MT_WFDMA0_BUSY_ENA + hif1_ofs,
MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 |
MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 |
MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO);
mt76_poll(dev, MT_WFDMA_EXT_CSR_HIF_MISC,
MT_WFDMA_EXT_CSR_HIF_MISC_BUSY, 0, 1000);
/* GLO_CFG_EXT0 */
mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT0,
WF_WFDMA0_GLO_CFG_EXT0_RX_WB_RXD |
WF_WFDMA0_GLO_CFG_EXT0_WED_MERGE_MODE);
/* GLO_CFG_EXT1 */
mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT1,
WF_WFDMA0_GLO_CFG_EXT1_TX_FCTRL_MODE);
/* WFDMA rx threshold */
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_45_TH, 0xc000c);
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_67_TH, 0x10008);
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_89_TH, 0x10008);
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_RRO_TH, 0x20);
if (dev->hif2) {
/* GLO_CFG_EXT0 */
mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT0 + hif1_ofs,
WF_WFDMA0_GLO_CFG_EXT0_RX_WB_RXD |
WF_WFDMA0_GLO_CFG_EXT0_WED_MERGE_MODE);
/* GLO_CFG_EXT1 */
mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT1 + hif1_ofs,
WF_WFDMA0_GLO_CFG_EXT1_TX_FCTRL_MODE);
mt76_set(dev, MT_WFDMA_HOST_CONFIG,
MT_WFDMA_HOST_CONFIG_PDMA_BAND |
MT_WFDMA_HOST_CONFIG_BAND2_PCIE1);
/* AXI read outstanding number */
mt76_rmw(dev, MT_WFDMA_AXI_R2A_CTRL,
MT_WFDMA_AXI_R2A_CTRL_OUTSTAND_MASK, 0x14);
/* WFDMA rx threshold */
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_45_TH + hif1_ofs, 0xc000c);
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_67_TH + hif1_ofs, 0x10008);
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_89_TH + hif1_ofs, 0x10008);
mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_RRO_TH + hif1_ofs, 0x20);
}
if (dev->hif2) {
/* fix hardware limitation, pcie1's rx ring3 is not available
* so, redirect pcie0 rx ring3 interrupt to pcie1
*/
if (mtk_wed_device_active(&dev->mt76.mmio.wed) &&
dev->has_rro)
mt76_set(dev, MT_WFDMA0_RX_INT_PCIE_SEL + hif1_ofs,
MT_WFDMA0_RX_INT_SEL_RING6);
else
mt76_set(dev, MT_WFDMA0_RX_INT_PCIE_SEL,
MT_WFDMA0_RX_INT_SEL_RING3);
}
mt7996_dma_start(dev, reset, true);
}
#ifdef CONFIG_NET_MEDIATEK_SOC_WED
int mt7996_dma_rro_init(struct mt7996_dev *dev)
{
struct mt76_dev *mdev = &dev->mt76;
u32 irq_mask;
int ret;
/* ind cmd */
mdev->q_rx[MT_RXQ_RRO_IND].flags = MT_WED_RRO_Q_IND;
mdev->q_rx[MT_RXQ_RRO_IND].wed = &mdev->mmio.wed;
ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_RRO_IND],
MT_RXQ_ID(MT_RXQ_RRO_IND),
MT7996_RX_RING_SIZE,
0, MT_RXQ_RRO_IND_RING_BASE);
if (ret)
return ret;
/* rx msdu page queue for band0 */
mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND0].flags =
MT_WED_RRO_Q_MSDU_PG(0) | MT_QFLAG_WED_RRO_EN;
mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND0].wed = &mdev->mmio.wed;
ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND0],
MT_RXQ_ID(MT_RXQ_MSDU_PAGE_BAND0),
MT7996_RX_RING_SIZE,
MT7996_RX_MSDU_PAGE_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MSDU_PAGE_BAND0));
if (ret)
return ret;
if (mt7996_band_valid(dev, MT_BAND1)) {
/* rx msdu page queue for band1 */
mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND1].flags =
MT_WED_RRO_Q_MSDU_PG(1) | MT_QFLAG_WED_RRO_EN;
mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND1].wed = &mdev->mmio.wed;
ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND1],
MT_RXQ_ID(MT_RXQ_MSDU_PAGE_BAND1),
MT7996_RX_RING_SIZE,
MT7996_RX_MSDU_PAGE_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MSDU_PAGE_BAND1));
if (ret)
return ret;
}
if (mt7996_band_valid(dev, MT_BAND2)) {
/* rx msdu page queue for band2 */
mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND2].flags =
MT_WED_RRO_Q_MSDU_PG(2) | MT_QFLAG_WED_RRO_EN;
mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND2].wed = &mdev->mmio.wed;
ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND2],
MT_RXQ_ID(MT_RXQ_MSDU_PAGE_BAND2),
MT7996_RX_RING_SIZE,
MT7996_RX_MSDU_PAGE_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MSDU_PAGE_BAND2));
if (ret)
return ret;
}
irq_mask = mdev->mmio.irqmask | MT_INT_RRO_RX_DONE |
MT_INT_TX_DONE_BAND2;
mt76_wr(dev, MT_INT_MASK_CSR, irq_mask);
mtk_wed_device_start_hw_rro(&mdev->mmio.wed, irq_mask, false);
mt7996_irq_enable(dev, irq_mask);
return 0;
}
#endif /* CONFIG_NET_MEDIATEK_SOC_WED */
int mt7996_dma_init(struct mt7996_dev *dev)
{
struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
struct mtk_wed_device *wed_hif2 = &dev->mt76.mmio.wed_hif2;
u32 rx_base;
u32 hif1_ofs = 0;
int ret;
mt7996_dma_config(dev);
mt76_dma_attach(&dev->mt76);
if (dev->hif2)
hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
mt7996_dma_disable(dev, true);
/* init tx queue */
ret = mt7996_init_tx_queues(&dev->phy,
MT_TXQ_ID(dev->mphy.band_idx),
MT7996_TX_RING_SIZE,
MT_TXQ_RING_BASE(0),
wed);
if (ret)
return ret;
/* command to WM */
ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM,
MT_MCUQ_ID(MT_MCUQ_WM),
MT7996_TX_MCU_RING_SIZE,
MT_MCUQ_RING_BASE(MT_MCUQ_WM));
if (ret)
return ret;
/* command to WA */
ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WA,
MT_MCUQ_ID(MT_MCUQ_WA),
MT7996_TX_MCU_RING_SIZE,
MT_MCUQ_RING_BASE(MT_MCUQ_WA));
if (ret)
return ret;
/* firmware download */
ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL,
MT_MCUQ_ID(MT_MCUQ_FWDL),
MT7996_TX_FWDL_RING_SIZE,
MT_MCUQ_RING_BASE(MT_MCUQ_FWDL));
if (ret)
return ret;
/* event from WM */
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
MT_RXQ_ID(MT_RXQ_MCU),
MT7996_RX_MCU_RING_SIZE,
MT_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MCU));
if (ret)
return ret;
/* 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_WA,
MT_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MCU_WA));
if (ret)
return ret;
/* rx data queue for band0 and mt7996 band1 */
if (mtk_wed_device_active(wed) && mtk_wed_get_rx_capa(wed)) {
dev->mt76.q_rx[MT_RXQ_MAIN].flags = MT_WED_Q_RX(0);
dev->mt76.q_rx[MT_RXQ_MAIN].wed = wed;
}
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
MT_RXQ_ID(MT_RXQ_MAIN),
MT7996_RX_RING_SIZE,
MT_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MAIN));
if (ret)
return ret;
/* tx free notify event from WA for band0 */
if (mtk_wed_device_active(wed) && !dev->has_rro) {
dev->mt76.q_rx[MT_RXQ_MAIN_WA].flags = MT_WED_Q_TXFREE;
dev->mt76.q_rx[MT_RXQ_MAIN_WA].wed = wed;
}
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN_WA],
MT_RXQ_ID(MT_RXQ_MAIN_WA),
MT7996_RX_MCU_RING_SIZE,
MT_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MAIN_WA));
if (ret)
return ret;
if (mt7996_band_valid(dev, MT_BAND2)) {
/* rx data queue for mt7996 band2 */
rx_base = MT_RXQ_RING_BASE(MT_RXQ_BAND2) + hif1_ofs;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND2],
MT_RXQ_ID(MT_RXQ_BAND2),
MT7996_RX_RING_SIZE,
MT_RX_BUF_SIZE,
rx_base);
if (ret)
return ret;
/* tx free notify event from WA for mt7996 band2
* use pcie0's rx ring3, but, redirect pcie0 rx ring3 interrupt to pcie1
*/
if (mtk_wed_device_active(wed_hif2) && !dev->has_rro) {
dev->mt76.q_rx[MT_RXQ_BAND2_WA].flags = MT_WED_Q_TXFREE;
dev->mt76.q_rx[MT_RXQ_BAND2_WA].wed = wed_hif2;
}
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND2_WA],
MT_RXQ_ID(MT_RXQ_BAND2_WA),
MT7996_RX_MCU_RING_SIZE,
MT_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_BAND2_WA));
if (ret)
return ret;
} else if (mt7996_band_valid(dev, MT_BAND1)) {
/* rx data queue for mt7992 band1 */
rx_base = MT_RXQ_RING_BASE(MT_RXQ_BAND1) + hif1_ofs;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND1],
MT_RXQ_ID(MT_RXQ_BAND1),
MT7996_RX_RING_SIZE,
MT_RX_BUF_SIZE,
rx_base);
if (ret)
return ret;
/* tx free notify event from WA for mt7992 band1 */
rx_base = MT_RXQ_RING_BASE(MT_RXQ_BAND1_WA) + hif1_ofs;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND1_WA],
MT_RXQ_ID(MT_RXQ_BAND1_WA),
MT7996_RX_MCU_RING_SIZE,
MT_RX_BUF_SIZE,
rx_base);
if (ret)
return ret;
}
if (mtk_wed_device_active(wed) && mtk_wed_get_rx_capa(wed) &&
dev->has_rro) {
/* rx rro data queue for band0 */
dev->mt76.q_rx[MT_RXQ_RRO_BAND0].flags =
MT_WED_RRO_Q_DATA(0) | MT_QFLAG_WED_RRO_EN;
dev->mt76.q_rx[MT_RXQ_RRO_BAND0].wed = wed;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_RRO_BAND0],
MT_RXQ_ID(MT_RXQ_RRO_BAND0),
MT7996_RX_RING_SIZE,
MT7996_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_RRO_BAND0));
if (ret)
return ret;
/* tx free notify event from WA for band0 */
dev->mt76.q_rx[MT_RXQ_TXFREE_BAND0].flags = MT_WED_Q_TXFREE;
dev->mt76.q_rx[MT_RXQ_TXFREE_BAND0].wed = wed;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_TXFREE_BAND0],
MT_RXQ_ID(MT_RXQ_TXFREE_BAND0),
MT7996_RX_MCU_RING_SIZE,
MT7996_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_TXFREE_BAND0));
if (ret)
return ret;
if (mt7996_band_valid(dev, MT_BAND2)) {
/* rx rro data queue for band2 */
dev->mt76.q_rx[MT_RXQ_RRO_BAND2].flags =
MT_WED_RRO_Q_DATA(1) | MT_QFLAG_WED_RRO_EN;
dev->mt76.q_rx[MT_RXQ_RRO_BAND2].wed = wed;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_RRO_BAND2],
MT_RXQ_ID(MT_RXQ_RRO_BAND2),
MT7996_RX_RING_SIZE,
MT7996_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_RRO_BAND2) + hif1_ofs);
if (ret)
return ret;
/* tx free notify event from MAC for band2 */
if (mtk_wed_device_active(wed_hif2)) {
dev->mt76.q_rx[MT_RXQ_TXFREE_BAND2].flags = MT_WED_Q_TXFREE;
dev->mt76.q_rx[MT_RXQ_TXFREE_BAND2].wed = wed_hif2;
}
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_TXFREE_BAND2],
MT_RXQ_ID(MT_RXQ_TXFREE_BAND2),
MT7996_RX_MCU_RING_SIZE,
MT7996_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_TXFREE_BAND2) + hif1_ofs);
if (ret)
return ret;
}
}
ret = mt76_init_queues(dev, mt76_dma_rx_poll);
if (ret < 0)
return ret;
netif_napi_add_tx(dev->mt76.tx_napi_dev, &dev->mt76.tx_napi,
mt7996_poll_tx);
napi_enable(&dev->mt76.tx_napi);
mt7996_dma_enable(dev, false);
return 0;
}
void mt7996_dma_reset(struct mt7996_dev *dev, bool force)
{
struct mt76_phy *phy2 = dev->mt76.phys[MT_BAND1];
struct mt76_phy *phy3 = dev->mt76.phys[MT_BAND2];
u32 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
int i;
mt76_clear(dev, MT_WFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_TX_DMA_EN |
MT_WFDMA0_GLO_CFG_RX_DMA_EN);
if (dev->hif2)
mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
MT_WFDMA0_GLO_CFG_TX_DMA_EN |
MT_WFDMA0_GLO_CFG_RX_DMA_EN);
usleep_range(1000, 2000);
for (i = 0; i < __MT_TXQ_MAX; i++) {
mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true);
if (phy2)
mt76_queue_tx_cleanup(dev, phy2->q_tx[i], true);
if (phy3)
mt76_queue_tx_cleanup(dev, phy3->q_tx[i], true);
}
for (i = 0; i < __MT_MCUQ_MAX; 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]);
mt76_tx_status_check(&dev->mt76, true);
/* reset wfsys */
if (force)
mt7996_wfsys_reset(dev);
if (dev->hif2 && mtk_wed_device_active(&dev->mt76.mmio.wed_hif2))
mtk_wed_device_dma_reset(&dev->mt76.mmio.wed_hif2);
if (mtk_wed_device_active(&dev->mt76.mmio.wed))
mtk_wed_device_dma_reset(&dev->mt76.mmio.wed);
mt7996_dma_disable(dev, force);
mt76_wed_dma_reset(&dev->mt76);
/* reset hw queues */
for (i = 0; i < __MT_TXQ_MAX; i++) {
mt76_dma_reset_tx_queue(&dev->mt76, dev->mphy.q_tx[i]);
if (phy2)
mt76_dma_reset_tx_queue(&dev->mt76, phy2->q_tx[i]);
if (phy3)
mt76_dma_reset_tx_queue(&dev->mt76, phy3->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) {
if (mtk_wed_device_active(&dev->mt76.mmio.wed))
if (mt76_queue_is_wed_rro(&dev->mt76.q_rx[i]) ||
mt76_queue_is_wed_tx_free(&dev->mt76.q_rx[i]))
continue;
mt76_queue_reset(dev, &dev->mt76.q_rx[i]);
}
mt76_tx_status_check(&dev->mt76, true);
mt76_for_each_q_rx(&dev->mt76, i)
mt76_queue_rx_reset(dev, i);
mt7996_dma_enable(dev, !force);
}
void mt7996_dma_cleanup(struct mt7996_dev *dev)
{
mt7996_dma_disable(dev, true);
mt76_dma_cleanup(&dev->mt76);
}
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