diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/pci.c | 72 |
1 files changed, 56 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index dedf1b88ddf6..5bd34a6273d9 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -50,6 +50,22 @@ static void ath11k_pci_bus_release(struct ath11k_base *ab) mhi_device_put(ab_pci->mhi_ctrl->mhi_dev); } +static u32 ath11k_pci_get_window_start(struct ath11k_base *ab, u32 offset) +{ + if (!ab->hw_params.static_window_map) + return ATH11K_PCI_WINDOW_START; + + if ((offset ^ HAL_SEQ_WCSS_UMAC_OFFSET) < ATH11K_PCI_WINDOW_RANGE_MASK) + /* if offset lies within DP register range, use 3rd window */ + return 3 * ATH11K_PCI_WINDOW_START; + else if ((offset ^ HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab)) < + ATH11K_PCI_WINDOW_RANGE_MASK) + /* if offset lies within CE register range, use 2nd window */ + return 2 * ATH11K_PCI_WINDOW_START; + else + return ATH11K_PCI_WINDOW_START; +} + static inline void ath11k_pci_select_window(struct ath11k_pci *ab_pci, u32 offset) { struct ath11k_base *ab = ab_pci->ab; @@ -70,26 +86,39 @@ static void ath11k_pci_window_write32(struct ath11k_base *ab, u32 offset, u32 value) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); - u32 window_start = ATH11K_PCI_WINDOW_START; + u32 window_start; + + window_start = ath11k_pci_get_window_start(ab, offset); - spin_lock_bh(&ab_pci->window_lock); - ath11k_pci_select_window(ab_pci, offset); - iowrite32(value, ab->mem + window_start + - (offset & ATH11K_PCI_WINDOW_RANGE_MASK)); - spin_unlock_bh(&ab_pci->window_lock); + if (window_start == ATH11K_PCI_WINDOW_START) { + spin_lock_bh(&ab_pci->window_lock); + ath11k_pci_select_window(ab_pci, offset); + iowrite32(value, ab->mem + window_start + + (offset & ATH11K_PCI_WINDOW_RANGE_MASK)); + spin_unlock_bh(&ab_pci->window_lock); + } else { + iowrite32(value, ab->mem + window_start + + (offset & ATH11K_PCI_WINDOW_RANGE_MASK)); + } } static u32 ath11k_pci_window_read32(struct ath11k_base *ab, u32 offset) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); - u32 window_start = ATH11K_PCI_WINDOW_START; - u32 val; + u32 window_start, val; - spin_lock_bh(&ab_pci->window_lock); - ath11k_pci_select_window(ab_pci, offset); - val = ioread32(ab->mem + window_start + - (offset & ATH11K_PCI_WINDOW_RANGE_MASK)); - spin_unlock_bh(&ab_pci->window_lock); + window_start = ath11k_pci_get_window_start(ab, offset); + + if (window_start == ATH11K_PCI_WINDOW_START) { + spin_lock_bh(&ab_pci->window_lock); + ath11k_pci_select_window(ab_pci, offset); + val = ioread32(ab->mem + window_start + + (offset & ATH11K_PCI_WINDOW_RANGE_MASK)); + spin_unlock_bh(&ab_pci->window_lock); + } else { + val = ioread32(ab->mem + window_start + + (offset & ATH11K_PCI_WINDOW_RANGE_MASK)); + } return val; } @@ -110,6 +139,8 @@ static const struct ath11k_pci_ops ath11k_pci_ops_qca6390 = { }; static const struct ath11k_pci_ops ath11k_pci_ops_qcn9074 = { + .wakeup = NULL, + .release = NULL, .get_msi_irq = ath11k_pci_get_msi_irq, .window_write32 = ath11k_pci_window_write32, .window_read32 = ath11k_pci_window_read32, @@ -697,6 +728,7 @@ static int ath11k_pci_probe(struct pci_dev *pdev, struct ath11k_base *ab; struct ath11k_pci *ab_pci; u32 soc_hw_version_major, soc_hw_version_minor, addr; + const struct ath11k_pci_ops *pci_ops; int ret; ab = ath11k_core_alloc(&pdev->dev, sizeof(*ab_pci), ATH11K_BUS_PCI); @@ -754,10 +786,10 @@ static int ath11k_pci_probe(struct pci_dev *pdev, goto err_pci_free_region; } - ab->pci.ops = &ath11k_pci_ops_qca6390; + pci_ops = &ath11k_pci_ops_qca6390; break; case QCN9074_DEVICE_ID: - ab->pci.ops = &ath11k_pci_ops_qcn9074; + pci_ops = &ath11k_pci_ops_qcn9074; ab->hw_rev = ATH11K_HW_QCN9074_HW10; break; case WCN6855_DEVICE_ID: @@ -787,7 +819,7 @@ unsupported_wcn6855_soc: goto err_pci_free_region; } - ab->pci.ops = &ath11k_pci_ops_qca6390; + pci_ops = &ath11k_pci_ops_qca6390; break; default: dev_err(&pdev->dev, "Unknown PCI device found: 0x%x\n", @@ -796,6 +828,12 @@ unsupported_wcn6855_soc: goto err_pci_free_region; } + ret = ath11k_pcic_register_pci_ops(ab, pci_ops); + if (ret) { + ath11k_err(ab, "failed to register PCI ops: %d\n", ret); + goto err_pci_free_region; + } + ret = ath11k_pcic_init_msi_config(ab); if (ret) { ath11k_err(ab, "failed to init msi config: %d\n", ret); @@ -920,7 +958,9 @@ qmi_fail: static void ath11k_pci_shutdown(struct pci_dev *pdev) { struct ath11k_base *ab = pci_get_drvdata(pdev); + struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + ath11k_pci_set_irq_affinity_hint(ab_pci, NULL); ath11k_pci_power_down(ab); } |