diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7925/pci.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/pci.c | 586 |
1 files changed, 586 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c new file mode 100644 index 0000000000..08ef75e24e --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c @@ -0,0 +1,586 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2023 MediaTek Inc. */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> + +#include "mt7925.h" +#include "mac.h" +#include "mcu.h" +#include "../dma.h" + +static const struct pci_device_id mt7925_pci_device_table[] = { + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7925), + .driver_data = (kernel_ulong_t)MT7925_FIRMWARE_WM }, + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0717), + .driver_data = (kernel_ulong_t)MT7925_FIRMWARE_WM }, + { }, +}; + +static bool mt7925_disable_aspm; +module_param_named(disable_aspm, mt7925_disable_aspm, bool, 0644); +MODULE_PARM_DESC(disable_aspm, "disable PCI ASPM support"); + +static int mt7925e_init_reset(struct mt792x_dev *dev) +{ + return mt792x_wpdma_reset(dev, true); +} + +static void mt7925e_unregister_device(struct mt792x_dev *dev) +{ + int i; + struct mt76_connac_pm *pm = &dev->pm; + + cancel_work_sync(&dev->init_work); + mt76_unregister_device(&dev->mt76); + mt76_for_each_q_rx(&dev->mt76, i) + napi_disable(&dev->mt76.napi[i]); + cancel_delayed_work_sync(&pm->ps_work); + cancel_work_sync(&pm->wake_work); + cancel_work_sync(&dev->reset_work); + + mt7925_tx_token_put(dev); + __mt792x_mcu_drv_pmctrl(dev); + mt792x_dma_cleanup(dev); + mt792x_wfsys_reset(dev); + skb_queue_purge(&dev->mt76.mcu.res_q); + + tasklet_disable(&dev->mt76.irq_tasklet); +} + +static void mt7925_reg_remap_restore(struct mt792x_dev *dev) +{ + /* remap to ori status */ + if (unlikely(dev->backup_l1)) { + dev->bus_ops->wr(&dev->mt76, MT_HIF_REMAP_L1, dev->backup_l1); + dev->backup_l1 = 0; + } + + if (dev->backup_l2) { + dev->bus_ops->wr(&dev->mt76, MT_HIF_REMAP_L2, dev->backup_l2); + dev->backup_l2 = 0; + } +} + +static u32 mt7925_reg_map_l1(struct mt792x_dev *dev, u32 addr) +{ + u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); + u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); + + dev->backup_l1 = dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L1); + + dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L1, + MT_HIF_REMAP_L1_MASK, + FIELD_PREP(MT_HIF_REMAP_L1_MASK, base)); + + /* use read to push write */ + dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L1); + + return MT_HIF_REMAP_BASE_L1 + offset; +} + +static u32 mt7925_reg_map_l2(struct mt792x_dev *dev, u32 addr) +{ + u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, MT_HIF_REMAP_BASE_L2); + + dev->backup_l2 = dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L1); + + dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L1, + MT_HIF_REMAP_L1_MASK, + FIELD_PREP(MT_HIF_REMAP_L1_MASK, base)); + + dev->bus_ops->wr(&dev->mt76, MT_HIF_REMAP_L2, addr); + /* use read to push write */ + dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L1); + + return MT_HIF_REMAP_BASE_L1; +} + +static u32 __mt7925_reg_addr(struct mt792x_dev *dev, u32 addr) +{ + static const struct mt76_connac_reg_map fixed_map[] = { + { 0x830c0000, 0x000000, 0x0001000 }, /* WF_MCU_BUS_CR_REMAP */ + { 0x54000000, 0x002000, 0x0001000 }, /* WFDMA PCIE0 MCU DMA0 */ + { 0x55000000, 0x003000, 0x0001000 }, /* WFDMA PCIE0 MCU DMA1 */ + { 0x56000000, 0x004000, 0x0001000 }, /* WFDMA reserved */ + { 0x57000000, 0x005000, 0x0001000 }, /* WFDMA MCU wrap CR */ + { 0x58000000, 0x006000, 0x0001000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */ + { 0x59000000, 0x007000, 0x0001000 }, /* WFDMA PCIE1 MCU DMA1 */ + { 0x820c0000, 0x008000, 0x0004000 }, /* WF_UMAC_TOP (PLE) */ + { 0x820c8000, 0x00c000, 0x0002000 }, /* WF_UMAC_TOP (PSE) */ + { 0x820cc000, 0x00e000, 0x0002000 }, /* WF_UMAC_TOP (PP) */ + { 0x74030000, 0x010000, 0x0001000 }, /* PCIe MAC */ + { 0x820e0000, 0x020000, 0x0000400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */ + { 0x820e1000, 0x020400, 0x0000200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */ + { 0x820e2000, 0x020800, 0x0000400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */ + { 0x820e3000, 0x020c00, 0x0000400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */ + { 0x820e4000, 0x021000, 0x0000400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */ + { 0x820e5000, 0x021400, 0x0000800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */ + { 0x820ce000, 0x021c00, 0x0000200 }, /* WF_LMAC_TOP (WF_SEC) */ + { 0x820e7000, 0x021e00, 0x0000200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */ + { 0x820cf000, 0x022000, 0x0001000 }, /* WF_LMAC_TOP (WF_PF) */ + { 0x820e9000, 0x023400, 0x0000200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */ + { 0x820ea000, 0x024000, 0x0000200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */ + { 0x820eb000, 0x024200, 0x0000400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */ + { 0x820ec000, 0x024600, 0x0000200 }, /* WF_LMAC_TOP BN0 (WF_INT) */ + { 0x820ed000, 0x024800, 0x0000800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */ + { 0x820ca000, 0x026000, 0x0002000 }, /* WF_LMAC_TOP BN0 (WF_MUCOP) */ + { 0x820d0000, 0x030000, 0x0010000 }, /* WF_LMAC_TOP (WF_WTBLON) */ + { 0x40000000, 0x070000, 0x0010000 }, /* WF_UMAC_SYSRAM */ + { 0x00400000, 0x080000, 0x0010000 }, /* WF_MCU_SYSRAM */ + { 0x00410000, 0x090000, 0x0010000 }, /* WF_MCU_SYSRAM (configure register) */ + { 0x820f0000, 0x0a0000, 0x0000400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */ + { 0x820f1000, 0x0a0600, 0x0000200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */ + { 0x820f2000, 0x0a0800, 0x0000400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */ + { 0x820f3000, 0x0a0c00, 0x0000400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */ + { 0x820f4000, 0x0a1000, 0x0000400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */ + { 0x820f5000, 0x0a1400, 0x0000800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */ + { 0x820f7000, 0x0a1e00, 0x0000200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */ + { 0x820f9000, 0x0a3400, 0x0000200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */ + { 0x820fa000, 0x0a4000, 0x0000200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */ + { 0x820fb000, 0x0a4200, 0x0000400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */ + { 0x820fc000, 0x0a4600, 0x0000200 }, /* WF_LMAC_TOP BN1 (WF_INT) */ + { 0x820fd000, 0x0a4800, 0x0000800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */ + { 0x820c4000, 0x0a8000, 0x0004000 }, /* WF_LMAC_TOP BN1 (WF_MUCOP) */ + { 0x820b0000, 0x0ae000, 0x0001000 }, /* [APB2] WFSYS_ON */ + { 0x80020000, 0x0b0000, 0x0010000 }, /* WF_TOP_MISC_OFF */ + { 0x81020000, 0x0c0000, 0x0010000 }, /* WF_TOP_MISC_ON */ + { 0x7c020000, 0x0d0000, 0x0010000 }, /* CONN_INFRA, wfdma */ + { 0x7c060000, 0x0e0000, 0x0010000 }, /* CONN_INFRA, conn_host_csr_top */ + { 0x7c000000, 0x0f0000, 0x0010000 }, /* CONN_INFRA */ + { 0x70020000, 0x1f0000, 0x0010000 }, /* Reserved for CBTOP, can't switch */ + { 0x7c500000, 0x060000, 0x2000000 }, /* remap */ + { 0x0, 0x0, 0x0 } /* End */ + }; + int i; + + if (addr < 0x200000) + return addr; + + mt7925_reg_remap_restore(dev); + + for (i = 0; i < ARRAY_SIZE(fixed_map); i++) { + u32 ofs; + + if (addr < fixed_map[i].phys) + continue; + + ofs = addr - fixed_map[i].phys; + if (ofs > fixed_map[i].size) + continue; + + return fixed_map[i].maps + ofs; + } + + if ((addr >= 0x18000000 && addr < 0x18c00000) || + (addr >= 0x70000000 && addr < 0x78000000) || + (addr >= 0x7c000000 && addr < 0x7c400000)) + return mt7925_reg_map_l1(dev, addr); + + return mt7925_reg_map_l2(dev, addr); +} + +static u32 mt7925_rr(struct mt76_dev *mdev, u32 offset) +{ + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + u32 addr = __mt7925_reg_addr(dev, offset); + + return dev->bus_ops->rr(mdev, addr); +} + +static void mt7925_wr(struct mt76_dev *mdev, u32 offset, u32 val) +{ + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + u32 addr = __mt7925_reg_addr(dev, offset); + + dev->bus_ops->wr(mdev, addr, val); +} + +static u32 mt7925_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) +{ + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + u32 addr = __mt7925_reg_addr(dev, offset); + + return dev->bus_ops->rmw(mdev, addr, mask, val); +} + +static int mt7925_dma_init(struct mt792x_dev *dev) +{ + int ret; + + mt76_dma_attach(&dev->mt76); + + ret = mt792x_dma_disable(dev, true); + if (ret) + return ret; + + /* init tx queue */ + ret = mt76_connac_init_tx_queues(dev->phy.mt76, MT7925_TXQ_BAND0, + MT7925_TX_RING_SIZE, + MT_TX_RING_BASE, 0); + if (ret) + return ret; + + mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4); + + /* command to WM */ + ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7925_TXQ_MCU_WM, + MT7925_TX_MCU_RING_SIZE, MT_TX_RING_BASE); + if (ret) + return ret; + + /* firmware download */ + ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7925_TXQ_FWDL, + MT7925_TX_FWDL_RING_SIZE, MT_TX_RING_BASE); + if (ret) + return ret; + + /* rx event */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], + MT7925_RXQ_MCU_WM, MT7925_RX_MCU_RING_SIZE, + MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE); + if (ret) + return ret; + + /* rx data */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], + MT7925_RXQ_BAND0, MT7925_RX_RING_SIZE, + MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE); + if (ret) + return ret; + + ret = mt76_init_queues(dev, mt792x_poll_rx); + if (ret < 0) + return ret; + + netif_napi_add_tx(&dev->mt76.tx_napi_dev, &dev->mt76.tx_napi, + mt792x_poll_tx); + napi_enable(&dev->mt76.tx_napi); + + return mt792x_dma_enable(dev); +} + +static int mt7925_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + static const struct mt76_driver_ops drv_ops = { + /* txwi_size = txd size + txp size */ + .txwi_size = MT_TXD_SIZE + sizeof(struct mt76_connac_hw_txp), + .drv_flags = MT_DRV_TXWI_NO_FREE | MT_DRV_HW_MGMT_TXQ | + MT_DRV_AMSDU_OFFLOAD, + .survey_flags = SURVEY_INFO_TIME_TX | + SURVEY_INFO_TIME_RX | + SURVEY_INFO_TIME_BSS_RX, + .token_size = MT7925_TOKEN_SIZE, + .tx_prepare_skb = mt7925e_tx_prepare_skb, + .tx_complete_skb = mt76_connac_tx_complete_skb, + .rx_check = mt7925_rx_check, + .rx_skb = mt7925_queue_rx_skb, + .rx_poll_complete = mt792x_rx_poll_complete, + .sta_add = mt7925_mac_sta_add, + .sta_assoc = mt7925_mac_sta_assoc, + .sta_remove = mt7925_mac_sta_remove, + .update_survey = mt792x_update_channel, + }; + static const struct mt792x_hif_ops mt7925_pcie_ops = { + .init_reset = mt7925e_init_reset, + .reset = mt7925e_mac_reset, + .mcu_init = mt7925e_mcu_init, + .drv_own = mt792xe_mcu_drv_pmctrl, + .fw_own = mt792xe_mcu_fw_pmctrl, + }; + static const struct mt792x_irq_map irq_map = { + .host_irq_enable = MT_WFDMA0_HOST_INT_ENA, + .tx = { + .all_complete_mask = MT_INT_TX_DONE_ALL, + .mcu_complete_mask = MT_INT_TX_DONE_MCU, + }, + .rx = { + .data_complete_mask = HOST_RX_DONE_INT_ENA2, + .wm_complete_mask = HOST_RX_DONE_INT_ENA0, + }, + }; + struct ieee80211_ops *ops; + struct mt76_bus_ops *bus_ops; + struct mt792x_dev *dev; + struct mt76_dev *mdev; + u8 features; + int ret; + u16 cmd; + + ret = pcim_enable_device(pdev); + if (ret) + return ret; + + ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev)); + if (ret) + return ret; + + pci_read_config_word(pdev, PCI_COMMAND, &cmd); + if (!(cmd & PCI_COMMAND_MEMORY)) { + cmd |= PCI_COMMAND_MEMORY; + pci_write_config_word(pdev, PCI_COMMAND, cmd); + } + pci_set_master(pdev); + + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + if (ret < 0) + return ret; + + ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) + goto err_free_pci_vec; + + if (mt7925_disable_aspm) + mt76_pci_disable_aspm(pdev); + + ops = mt792x_get_mac80211_ops(&pdev->dev, &mt7925_ops, + (void *)id->driver_data, &features); + if (!ops) { + ret = -ENOMEM; + goto err_free_pci_vec; + } + + mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), ops, &drv_ops); + if (!mdev) { + ret = -ENOMEM; + goto err_free_pci_vec; + } + + pci_set_drvdata(pdev, mdev); + + dev = container_of(mdev, struct mt792x_dev, mt76); + dev->fw_features = features; + dev->hif_ops = &mt7925_pcie_ops; + dev->irq_map = &irq_map; + mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]); + tasklet_init(&mdev->irq_tasklet, mt792x_irq_tasklet, (unsigned long)dev); + + dev->phy.dev = dev; + dev->phy.mt76 = &dev->mt76.phy; + dev->mt76.phy.priv = &dev->phy; + dev->bus_ops = dev->mt76.bus; + bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), + GFP_KERNEL); + if (!bus_ops) { + ret = -ENOMEM; + goto err_free_dev; + } + + bus_ops->rr = mt7925_rr; + bus_ops->wr = mt7925_wr; + bus_ops->rmw = mt7925_rmw; + dev->mt76.bus = bus_ops; + + ret = __mt792x_mcu_fw_pmctrl(dev); + if (ret) + goto err_free_dev; + + ret = __mt792xe_mcu_drv_pmctrl(dev); + if (ret) + goto err_free_dev; + + mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) | + (mt76_rr(dev, MT_HW_REV) & 0xff); + + dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev); + + ret = mt792x_wfsys_reset(dev); + if (ret) + goto err_free_dev; + + mt76_wr(dev, irq_map.host_irq_enable, 0); + + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); + + ret = devm_request_irq(mdev->dev, pdev->irq, mt792x_irq_handler, + IRQF_SHARED, KBUILD_MODNAME, dev); + if (ret) + goto err_free_dev; + + ret = mt7925_dma_init(dev); + if (ret) + goto err_free_irq; + + ret = mt7925_register_device(dev); + if (ret) + goto err_free_irq; + + return 0; + +err_free_irq: + devm_free_irq(&pdev->dev, pdev->irq, dev); +err_free_dev: + mt76_free_device(&dev->mt76); +err_free_pci_vec: + pci_free_irq_vectors(pdev); + + return ret; +} + +static void mt7925_pci_remove(struct pci_dev *pdev) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + + mt7925e_unregister_device(dev); + devm_free_irq(&pdev->dev, pdev->irq, dev); + mt76_free_device(&dev->mt76); + pci_free_irq_vectors(pdev); +} + +static int mt7925_pci_suspend(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + struct mt76_connac_pm *pm = &dev->pm; + int i, err; + + pm->suspended = true; + flush_work(&dev->reset_work); + cancel_delayed_work_sync(&pm->ps_work); + cancel_work_sync(&pm->wake_work); + + err = mt792x_mcu_drv_pmctrl(dev); + if (err < 0) + goto restore_suspend; + + /* always enable deep sleep during suspend to reduce + * power consumption + */ + mt7925_mcu_set_deep_sleep(dev, true); + + err = mt76_connac_mcu_set_hif_suspend(mdev, true); + if (err) + goto restore_suspend; + + napi_disable(&mdev->tx_napi); + mt76_worker_disable(&mdev->tx_worker); + + mt76_for_each_q_rx(mdev, i) { + napi_disable(&mdev->napi[i]); + } + + /* wait until dma is idle */ + mt76_poll(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_BUSY | + MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000); + + /* put dma disabled */ + mt76_clear(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); + + /* disable interrupt */ + mt76_wr(dev, dev->irq_map->host_irq_enable, 0); + mt76_wr(dev, MT_WFDMA0_HOST_INT_DIS, + dev->irq_map->tx.all_complete_mask | + MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD); + + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0); + + synchronize_irq(pdev->irq); + tasklet_kill(&mdev->irq_tasklet); + + err = mt792x_mcu_fw_pmctrl(dev); + if (err) + goto restore_napi; + + return 0; + +restore_napi: + mt76_for_each_q_rx(mdev, i) { + napi_enable(&mdev->napi[i]); + } + napi_enable(&mdev->tx_napi); + + if (!pm->ds_enable) + mt7925_mcu_set_deep_sleep(dev, false); + + mt76_connac_mcu_set_hif_suspend(mdev, false); + +restore_suspend: + pm->suspended = false; + + if (err < 0) + mt792x_reset(&dev->mt76); + + return err; +} + +static int mt7925_pci_resume(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + struct mt76_connac_pm *pm = &dev->pm; + int i, err; + + err = mt792x_mcu_drv_pmctrl(dev); + if (err < 0) + goto failed; + + mt792x_wpdma_reinit_cond(dev); + + /* enable interrupt */ + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); + 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); + + /* put dma enabled */ + mt76_set(dev, MT_WFDMA0_GLO_CFG, + MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); + + mt76_worker_enable(&mdev->tx_worker); + + local_bh_disable(); + mt76_for_each_q_rx(mdev, i) { + napi_enable(&mdev->napi[i]); + napi_schedule(&mdev->napi[i]); + } + napi_enable(&mdev->tx_napi); + napi_schedule(&mdev->tx_napi); + local_bh_enable(); + + err = mt76_connac_mcu_set_hif_suspend(mdev, false); + + /* restore previous ds setting */ + if (!pm->ds_enable) + mt7925_mcu_set_deep_sleep(dev, false); + +failed: + pm->suspended = false; + + if (err < 0) + mt792x_reset(&dev->mt76); + + return err; +} + +static void mt7925_pci_shutdown(struct pci_dev *pdev) +{ + mt7925_pci_remove(pdev); +} + +static DEFINE_SIMPLE_DEV_PM_OPS(mt7925_pm_ops, mt7925_pci_suspend, mt7925_pci_resume); + +static struct pci_driver mt7925_pci_driver = { + .name = KBUILD_MODNAME, + .id_table = mt7925_pci_device_table, + .probe = mt7925_pci_probe, + .remove = mt7925_pci_remove, + .shutdown = mt7925_pci_shutdown, + .driver.pm = pm_sleep_ptr(&mt7925_pm_ops), +}; + +module_pci_driver(mt7925_pci_driver); + +MODULE_DEVICE_TABLE(pci, mt7925_pci_device_table); +MODULE_FIRMWARE(MT7925_FIRMWARE_WM); +MODULE_FIRMWARE(MT7925_ROM_PATCH); +MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); +MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>"); +MODULE_LICENSE("Dual BSD/GPL"); |