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wifi: mt76: mt792x: move more dma shared code in mt792x_dma

Browse Source 
Rely on irq_map support, move more dma shared code between mt7921 and
mt7925 in mt792x_dma.c
Move the following dma code in mt792x-lib
- mt792x_dma_enable
- mt792x_dma_reset
- mt792x_wpdma_reset
- mt792x_wpdma_reinit_cond

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2023-06-28 15:07:14 +08:00
committed by Felix Fietkau
parent c9072f112f
commit ff65517400
9 changed files with 364 additions and 337 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/mediatek/mt76/Makefile
View File

@@ -32,7 +32,7 @@ mt76x02-usb-y := mt76x02_usb_mcu.o mt76x02_usb_core.o
mt76-connac-lib-y := mt76_connac_mcu.o mt76_connac_mac.o mt76_connac3_mac.o
mt792x-lib-y := mt792x_core.o mt792x_mac.o mt792x_trace.o \
mt792x_debugfs.o
mt792x_debugfs.o mt792x_dma.o
obj-$(CONFIG_MT76x0_COMMON) += mt76x0/
obj-$(CONFIG_MT76x2_COMMON) += mt76x2/

156
drivers/net/wireless/mediatek/mt76/mt7921/dma.c
View File

@@ -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);
}

2
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
View File

@@ -203,8 +203,6 @@ int __mt7921_start(struct mt792x_phy *phy);
int mt7921_register_device(struct mt792x_dev *dev);
void mt7921_unregister_device(struct mt792x_dev *dev);
int mt7921_dma_init(struct mt792x_dev *dev);
int mt7921_wpdma_reset(struct mt792x_dev *dev, bool force);
int mt7921_wpdma_reinit_cond(struct mt792x_dev *dev);
int mt7921_run_firmware(struct mt792x_dev *dev);
int mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
bool enable);

88
drivers/net/wireless/mediatek/mt76/mt7921/pci.c
View File

@@ -10,7 +10,6 @@
#include "mt7921.h"
#include "../mt76_connac2_mac.h"
#include "mcu.h"
#include "../trace.h"
static const struct pci_device_id mt7921_pci_device_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961),
@@ -28,82 +27,9 @@ static bool mt7921_disable_aspm;
module_param_named(disable_aspm, mt7921_disable_aspm, bool, 0644);
MODULE_PARM_DESC(disable_aspm, "disable PCI ASPM support");
static void
mt7921_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
const struct mt792x_irq_map *irq_map = dev->irq_map;
if (q == MT_RXQ_MAIN)
mt76_connac_irq_enable(mdev, irq_map->rx.data_complete_mask);
else if (q == MT_RXQ_MCU_WA)
mt76_connac_irq_enable(mdev, irq_map->rx.wm2_complete_mask);
else
mt76_connac_irq_enable(mdev, irq_map->rx.wm_complete_mask);
}
static irqreturn_t mt7921_irq_handler(int irq, void *dev_instance)
{
struct mt792x_dev *dev = dev_instance;
mt76_wr(dev, dev->irq_map->host_irq_enable, 0);
if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
return IRQ_NONE;
tasklet_schedule(&dev->mt76.irq_tasklet);
return IRQ_HANDLED;
}
static void mt7921_irq_tasklet(unsigned long data)
{
struct mt792x_dev *dev = (struct mt792x_dev *)data;
const struct mt792x_irq_map *irq_map = dev->irq_map;
u32 intr, mask = 0;
mt76_wr(dev, irq_map->host_irq_enable, 0);
intr = mt76_rr(dev, MT_WFDMA0_HOST_INT_STA);
intr &= dev->mt76.mmio.irqmask;
mt76_wr(dev, MT_WFDMA0_HOST_INT_STA, intr);
trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
mask |= intr & MT_INT_RX_DONE_ALL;
if (intr & irq_map->tx.mcu_complete_mask)
mask |= irq_map->tx.mcu_complete_mask;
if (intr & MT_INT_MCU_CMD) {
u32 intr_sw;
intr_sw = mt76_rr(dev, MT_MCU_CMD);
/* ack MCU2HOST_SW_INT_STA */
mt76_wr(dev, MT_MCU_CMD, intr_sw);
if (intr_sw & MT_MCU_CMD_WAKE_RX_PCIE) {
mask |= irq_map->rx.data_complete_mask;
intr |= irq_map->rx.data_complete_mask;
}
}
mt76_set_irq_mask(&dev->mt76, irq_map->host_irq_enable, mask, 0);
if (intr & irq_map->tx.all_complete_mask)
napi_schedule(&dev->mt76.tx_napi);
if (intr & irq_map->rx.wm_complete_mask)
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]);
if (intr & irq_map->rx.wm2_complete_mask)
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
if (intr & irq_map->rx.data_complete_mask)
napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]);
}
static int mt7921e_init_reset(struct mt792x_dev *dev)
{
return mt7921_wpdma_reset(dev, true);
return mt792x_wpdma_reset(dev, true);
}
static void mt7921e_unregister_device(struct mt792x_dev *dev)
@@ -122,7 +48,7 @@ static void mt7921e_unregister_device(struct mt792x_dev *dev)
mt76_connac2_tx_token_put(&dev->mt76);
__mt7921_mcu_drv_pmctrl(dev);
mt792x_dma_cleanup(dev);
mt792x_wfsys_reset(dev, MT_WFSYS_SW_RST_B);
mt792x_wfsys_reset(dev);
skb_queue_purge(&dev->mt76.mcu.res_q);
tasklet_disable(&dev->mt76.irq_tasklet);
@@ -245,7 +171,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
.tx_complete_skb = mt76_connac_tx_complete_skb,
.rx_check = mt7921_rx_check,
.rx_skb = mt7921_queue_rx_skb,
.rx_poll_complete = mt7921_rx_poll_complete,
.rx_poll_complete = mt792x_rx_poll_complete,
.sta_add = mt7921_mac_sta_add,
.sta_assoc = mt7921_mac_sta_assoc,
.sta_remove = mt7921_mac_sta_remove,
@@ -324,7 +250,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
dev->hif_ops = &mt7921_pcie_ops;
dev->irq_map = &irq_map;
mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
tasklet_init(&mdev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev);
tasklet_init(&mdev->irq_tasklet, mt792x_irq_tasklet, (unsigned long)dev);
dev->phy.dev = dev;
dev->phy.mt76 = &dev->mt76.phy;
@@ -354,7 +280,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
(mt7921_l1_rr(dev, MT_HW_REV) & 0xff);
dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
ret = mt792x_wfsys_reset(dev, MT_WFSYS_SW_RST_B);
ret = mt792x_wfsys_reset(dev);
if (ret)
goto err_free_dev;
@@ -362,7 +288,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
ret = devm_request_irq(mdev->dev, pdev->irq, mt7921_irq_handler,
ret = devm_request_irq(mdev->dev, pdev->irq, mt792x_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (ret)
goto err_free_dev;
@@ -484,7 +410,7 @@ static int mt7921_pci_resume(struct device *device)
if (err < 0)
goto failed;
mt7921_wpdma_reinit_cond(dev);
mt792x_wpdma_reinit_cond(dev);
/* enable interrupt */
mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);

2
drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
View File

@@ -80,7 +80,7 @@ int mt7921e_mac_reset(struct mt792x_dev *dev)
mt76_connac2_tx_token_put(&dev->mt76);
idr_init(&dev->mt76.token);
mt7921_wpdma_reset(dev, true);
mt792x_wpdma_reset(dev, true);
local_bh_disable();
mt76_for_each_q_rx(&dev->mt76, i) {

2
drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
View File

@@ -91,7 +91,7 @@ int mt7921e_mcu_drv_pmctrl(struct mt792x_dev *dev)
if (err < 0)
goto out;
mt7921_wpdma_reinit_cond(dev);
mt792x_wpdma_reinit_cond(dev);
clear_bit(MT76_STATE_PM, &mphy->state);
pm->stats.last_wake_event = jiffies;

9
drivers/net/wireless/mediatek/mt76/mt792x.h
View File

@@ -256,9 +256,16 @@ void mt792x_sta_statistics(struct ieee80211_hw *hw,
struct station_info *sinfo);
void mt792x_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class);
void mt792x_dma_cleanup(struct mt792x_dev *dev);
int mt792x_dma_enable(struct mt792x_dev *dev);
int mt792x_wpdma_reset(struct mt792x_dev *dev, bool force);
int mt792x_wpdma_reinit_cond(struct mt792x_dev *dev);
int mt792x_dma_disable(struct mt792x_dev *dev, bool force);
irqreturn_t mt792x_irq_handler(int irq, void *dev_instance);
void mt792x_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
int mt792x_poll_tx(struct napi_struct *napi, int budget);
int mt792x_poll_rx(struct napi_struct *napi, int budget);
int mt792x_wfsys_reset(struct mt792x_dev *dev, u32 addr);
void mt792x_irq_tasklet(unsigned long data);
int mt792x_wfsys_reset(struct mt792x_dev *dev);
int mt792x_tx_stats_show(struct seq_file *file, void *data);
int mt792x_queues_acq(struct seq_file *s, void *data);
int mt792x_queues_read(struct seq_file *s, void *data);

96
drivers/net/wireless/mediatek/mt76/mt792x_core.c
View File

@@ -510,102 +510,6 @@ void mt792x_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
}
EXPORT_SYMBOL_GPL(mt792x_set_coverage_class);
int mt792x_dma_disable(struct mt792x_dev *dev, bool force)
{
/* disable WFDMA0 */
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_CSR_DISP_BASE_PTR_CHAIN_EN |
MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
if (!mt76_poll_msec_tick(dev, MT_WFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_TX_DMA_BUSY |
MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 100, 1))
return -ETIMEDOUT;
/* disable dmashdl */
mt76_clear(dev, MT_WFDMA0_GLO_CFG_EXT0,
MT_WFDMA0_CSR_TX_DMASHDL_ENABLE);
mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS);
if (force) {
/* 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);
}
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_dma_disable);
void mt792x_dma_cleanup(struct mt792x_dev *dev)
{
/* 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_CSR_DISP_BASE_PTR_CHAIN_EN |
MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
mt76_poll_msec_tick(dev, MT_WFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_TX_DMA_BUSY |
MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 100, 1);
/* 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);
mt76_dma_cleanup(&dev->mt76);
}
EXPORT_SYMBOL_GPL(mt792x_dma_cleanup);
int mt792x_poll_rx(struct napi_struct *napi, int budget)
{
struct mt792x_dev *dev;
int done;
dev = container_of(napi->dev, struct mt792x_dev, mt76.napi_dev);
if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
napi_complete(napi);
queue_work(dev->mt76.wq, &dev->pm.wake_work);
return 0;
}
done = mt76_dma_rx_poll(napi, budget);
mt76_connac_pm_unref(&dev->mphy, &dev->pm);
return done;
}
EXPORT_SYMBOL_GPL(mt792x_poll_rx);
int mt792x_wfsys_reset(struct mt792x_dev *dev, u32 addr)
{
mt76_clear(dev, addr, WFSYS_SW_RST_B);
msleep(50);
mt76_set(dev, addr, WFSYS_SW_RST_B);
if (!__mt76_poll_msec(&dev->mt76, addr, WFSYS_SW_INIT_DONE,
WFSYS_SW_INIT_DONE, 500))
return -ETIMEDOUT;
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_wfsys_reset);
int mt792x_init_wiphy(struct ieee80211_hw *hw)
{
struct mt792x_phy *phy = mt792x_hw_phy(hw);

344
drivers/net/wireless/mediatek/mt76/mt792x_dma.c Normal file
View File

@@ -0,0 +1,344 @@
// SPDX-License-Identifier: ISC
/* Copyright (C) 2023 MediaTek Inc. */
#include <linux/module.h>
#include <linux/firmware.h>
#include "mt792x.h"
#include "dma.h"
#include "trace.h"
irqreturn_t mt792x_irq_handler(int irq, void *dev_instance)
{
struct mt792x_dev *dev = dev_instance;
mt76_wr(dev, dev->irq_map->host_irq_enable, 0);
if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
return IRQ_NONE;
tasklet_schedule(&dev->mt76.irq_tasklet);
return IRQ_HANDLED;
}
EXPORT_SYMBOL_GPL(mt792x_irq_handler);
void mt792x_irq_tasklet(unsigned long data)
{
struct mt792x_dev *dev = (struct mt792x_dev *)data;
const struct mt792x_irq_map *irq_map = dev->irq_map;
u32 intr, mask = 0;
mt76_wr(dev, irq_map->host_irq_enable, 0);
intr = mt76_rr(dev, MT_WFDMA0_HOST_INT_STA);
intr &= dev->mt76.mmio.irqmask;
mt76_wr(dev, MT_WFDMA0_HOST_INT_STA, intr);
trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
mask |= intr & (irq_map->rx.data_complete_mask |
irq_map->rx.wm_complete_mask |
irq_map->rx.wm2_complete_mask);
if (intr & dev->irq_map->tx.mcu_complete_mask)
mask |= dev->irq_map->tx.mcu_complete_mask;
if (intr & MT_INT_MCU_CMD) {
u32 intr_sw;
intr_sw = mt76_rr(dev, MT_MCU_CMD);
/* ack MCU2HOST_SW_INT_STA */
mt76_wr(dev, MT_MCU_CMD, intr_sw);
if (intr_sw & MT_MCU_CMD_WAKE_RX_PCIE) {
mask |= irq_map->rx.data_complete_mask;
intr |= irq_map->rx.data_complete_mask;
}
}
mt76_set_irq_mask(&dev->mt76, irq_map->host_irq_enable, mask, 0);
if (intr & dev->irq_map->tx.all_complete_mask)
napi_schedule(&dev->mt76.tx_napi);
if (intr & irq_map->rx.wm_complete_mask)
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]);
if (intr & irq_map->rx.wm2_complete_mask)
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
if (intr & irq_map->rx.data_complete_mask)
napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]);
}
EXPORT_SYMBOL_GPL(mt792x_irq_tasklet);
void mt792x_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
{
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
const struct mt792x_irq_map *irq_map = dev->irq_map;
if (q == MT_RXQ_MAIN)
mt76_connac_irq_enable(mdev, irq_map->rx.data_complete_mask);
else if (q == MT_RXQ_MCU_WA)
mt76_connac_irq_enable(mdev, irq_map->rx.wm2_complete_mask);
else
mt76_connac_irq_enable(mdev, irq_map->rx.wm_complete_mask);
}
EXPORT_SYMBOL_GPL(mt792x_rx_poll_complete);
#define PREFETCH(base, depth) ((base) << 16 | (depth))
static void mt792x_dma_prefetch(struct mt792x_dev *dev)
{
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));
}
int mt792x_dma_enable(struct mt792x_dev *dev)
{
/* configure perfetch settings */
mt792x_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 |
dev->irq_map->rx.data_complete_mask |
dev->irq_map->rx.wm2_complete_mask |
dev->irq_map->rx.wm_complete_mask |
MT_INT_MCU_CMD);
mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE);
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_dma_enable);
static int
mt792x_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 mt792x_dma_enable(dev);
}
int mt792x_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);
if (err)
return err;
}
err = mt792x_dma_reset(dev, force);
if (err)
return err;
mt76_for_each_q_rx(&dev->mt76, i)
mt76_queue_rx_reset(dev, i);
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_wpdma_reset);
int mt792x_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 = mt792x_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;
}
EXPORT_SYMBOL_GPL(mt792x_wpdma_reinit_cond);
int mt792x_dma_disable(struct mt792x_dev *dev, bool force)
{
/* disable WFDMA0 */
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_CSR_DISP_BASE_PTR_CHAIN_EN |
MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
if (!mt76_poll_msec_tick(dev, MT_WFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_TX_DMA_BUSY |
MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 100, 1))
return -ETIMEDOUT;
/* disable dmashdl */
mt76_clear(dev, MT_WFDMA0_GLO_CFG_EXT0,
MT_WFDMA0_CSR_TX_DMASHDL_ENABLE);
mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS);
if (force) {
/* 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);
}
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_dma_disable);
void mt792x_dma_cleanup(struct mt792x_dev *dev)
{
/* 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_CSR_DISP_BASE_PTR_CHAIN_EN |
MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
mt76_poll_msec_tick(dev, MT_WFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_TX_DMA_BUSY |
MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 100, 1);
/* 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);
mt76_dma_cleanup(&dev->mt76);
}
EXPORT_SYMBOL_GPL(mt792x_dma_cleanup);
int mt792x_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;
}
EXPORT_SYMBOL_GPL(mt792x_poll_tx);
int mt792x_poll_rx(struct napi_struct *napi, int budget)
{
struct mt792x_dev *dev;
int done;
dev = container_of(napi->dev, struct mt792x_dev, mt76.napi_dev);
if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
napi_complete(napi);
queue_work(dev->mt76.wq, &dev->pm.wake_work);
return 0;
}
done = mt76_dma_rx_poll(napi, budget);
mt76_connac_pm_unref(&dev->mphy, &dev->pm);
return done;
}
EXPORT_SYMBOL_GPL(mt792x_poll_rx);
int mt792x_wfsys_reset(struct mt792x_dev *dev)
{
u32 addr = is_mt7921(&dev->mt76) ? 0x18000140 : 0x7c000140;
mt76_clear(dev, addr, WFSYS_SW_RST_B);
msleep(50);
mt76_set(dev, addr, WFSYS_SW_RST_B);
if (!__mt76_poll_msec(&dev->mt76, addr, WFSYS_SW_INIT_DONE,
WFSYS_SW_INIT_DONE, 500))
return -ETIMEDOUT;
return 0;
}
EXPORT_SYMBOL_GPL(mt792x_wfsys_reset);