diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/pcie_bus.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pcie_bus.c | 129 |
1 files changed, 93 insertions, 36 deletions
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 19cbc6add637..89119e7facd0 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -24,11 +24,11 @@ #include <linux/rtnetlink.h> #include <linux/pm_runtime.h> -static bool use_msi = true; -module_param(use_msi, bool, 0444); -MODULE_PARM_DESC(use_msi, " Use MSI interrupt, default - true"); +static int n_msi = 3; +module_param(n_msi, int, 0444); +MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - single, or 3 - (default) "); -static bool ftm_mode; +bool ftm_mode; module_param(ftm_mode, bool, 0444); MODULE_PARM_DESC(ftm_mode, " Set factory test mode, default - false"); @@ -85,7 +85,7 @@ int wil_set_capabilities(struct wil6210_priv *wil) wil->rgf_ucode_assert_code_addr = SPARROW_RGF_UCODE_ASSERT_CODE; break; case JTAG_DEV_ID_TALYN: - wil->hw_name = "Talyn"; + wil->hw_name = "Talyn-MA"; wil->hw_version = HW_VER_TALYN; memcpy(fw_mapping, talyn_fw_mapping, sizeof(talyn_fw_mapping)); wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; @@ -93,6 +93,25 @@ int wil_set_capabilities(struct wil6210_priv *wil) if (wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1) & BIT_NO_FLASH_INDICATION) set_bit(hw_capa_no_flash, wil->hw_capa); + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; + break; + case JTAG_DEV_ID_TALYN_MB: + wil->hw_name = "Talyn-MB"; + wil->hw_version = HW_VER_TALYN_MB; + memcpy(fw_mapping, talyn_mb_fw_mapping, + sizeof(talyn_mb_fw_mapping)); + wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; + set_bit(hw_capa_no_flash, wil->hw_capa); + wil->use_enhanced_dma_hw = true; + wil->use_rx_hw_reordering = true; + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", @@ -102,6 +121,8 @@ int wil_set_capabilities(struct wil6210_priv *wil) return -EINVAL; } + wil_init_txrx_ops(wil); + iccm_section = wil_find_fw_mapping("fw_code"); if (!iccm_section) { wil_err(wil, "fw_code section not found in fw_mapping\n"); @@ -129,12 +150,24 @@ int wil_set_capabilities(struct wil6210_priv *wil) void wil_disable_irq(struct wil6210_priv *wil) { - disable_irq(wil->pdev->irq); + int irq = wil->pdev->irq; + + disable_irq(irq); + if (wil->n_msi == 3) { + disable_irq(irq + 1); + disable_irq(irq + 2); + } } void wil_enable_irq(struct wil6210_priv *wil) { - enable_irq(wil->pdev->irq); + int irq = wil->pdev->irq; + + enable_irq(irq); + if (wil->n_msi == 3) { + enable_irq(irq + 1); + enable_irq(irq + 2); + } } static void wil_remove_all_additional_vifs(struct wil6210_priv *wil) @@ -161,28 +194,47 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) * and only MSI should be used */ int msi_only = pdev->msi_enabled; - bool _use_msi = use_msi; wil_dbg_misc(wil, "if_pcie_enable\n"); pci_set_master(pdev); - wil_dbg_misc(wil, "Setup %s interrupt\n", use_msi ? "MSI" : "INTx"); + /* how many MSI interrupts to request? */ + switch (n_msi) { + case 3: + case 1: + wil_dbg_misc(wil, "Setup %d MSI interrupts\n", n_msi); + break; + case 0: + wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n"); + break; + default: + wil_err(wil, "Invalid n_msi=%d, default to 1\n", n_msi); + n_msi = 1; + } + + if (n_msi == 3 && + pci_alloc_irq_vectors(pdev, n_msi, n_msi, PCI_IRQ_MSI) < n_msi) { + wil_err(wil, "3 MSI mode failed, try 1 MSI\n"); + n_msi = 1; + } - if (use_msi && pci_enable_msi(pdev)) { + if (n_msi == 1 && pci_enable_msi(pdev)) { wil_err(wil, "pci_enable_msi failed, use INTx\n"); - _use_msi = false; + n_msi = 0; } - if (!_use_msi && msi_only) { + wil->n_msi = n_msi; + + if (wil->n_msi == 0 && msi_only) { wil_err(wil, "Interrupt pin not routed, unable to use INTx\n"); rc = -ENODEV; goto stop_master; } - rc = wil6210_init_irq(wil, pdev->irq, _use_msi); + rc = wil6210_init_irq(wil, pdev->irq); if (rc) - goto stop_master; + goto release_vectors; /* need reset here to obtain MAC */ mutex_lock(&wil->mutex); @@ -195,8 +247,9 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) release_irq: wil6210_fini_irq(wil, pdev->irq); - /* safe to call if no MSI */ - pci_disable_msi(pdev); + release_vectors: + /* safe to call if no allocation */ + pci_free_irq_vectors(pdev); stop_master: pci_clear_master(pdev); return rc; @@ -257,8 +310,8 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) .fw_recovery = wil_platform_rop_fw_recovery, }; u32 bar_size = pci_resource_len(pdev, 0); - int dma_addr_size[] = {48, 40, 32}; /* keep descending order */ - int i; + int dma_addr_size[] = {64, 48, 40, 32}; /* keep descending order */ + int i, start_idx; /* check HW */ dev_info(&pdev->dev, WIL_NAME @@ -293,24 +346,6 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto if_free; } /* rollback to err_plat */ - - /* device supports >32bit addresses */ - for (i = 0; i < ARRAY_SIZE(dma_addr_size); i++) { - rc = dma_set_mask_and_coherent(dev, - DMA_BIT_MASK(dma_addr_size[i])); - if (rc) { - dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n", - dma_addr_size[i], rc); - continue; - } - dev_info(dev, "using dma mask %d", dma_addr_size[i]); - wil->dma_addr_size = dma_addr_size[i]; - break; - } - - if (wil->dma_addr_size == 0) - goto err_plat; - rc = pci_enable_device(pdev); if (rc && pdev->msi_enabled == 0) { wil_err(wil, @@ -350,6 +385,28 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) wil_err(wil, "wil_set_capabilities failed, rc %d\n", rc); goto err_iounmap; } + + /* device supports >32bit addresses. + * for legacy DMA start from 48 bit. + */ + start_idx = wil->use_enhanced_dma_hw ? 0 : 1; + + for (i = start_idx; i < ARRAY_SIZE(dma_addr_size); i++) { + rc = dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(dma_addr_size[i])); + if (rc) { + dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n", + dma_addr_size[i], rc); + continue; + } + dev_info(dev, "using dma mask %d", dma_addr_size[i]); + wil->dma_addr_size = dma_addr_size[i]; + break; + } + + if (wil->dma_addr_size == 0) + goto err_iounmap; + wil6210_clear_irq(wil); /* FW should raise IRQ when ready */ |