From 94ac2ab3fff96814d7460a27a0e9d004abbd4128 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 19 Jun 2024 23:00:37 +0200 Subject: Merging upstream version 6.9.2. Signed-off-by: Daniel Baumann --- drivers/net/wireless/ath/ath12k/pci.c | 94 +++++++++++++++++++++++++++-------- 1 file changed, 73 insertions(+), 21 deletions(-) (limited to 'drivers/net/wireless/ath/ath12k/pci.c') diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index f0d2e2d871..14954bc051 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. */ #include @@ -39,6 +39,10 @@ #define QCN9274_DEVICE_ID 0x1109 #define WCN7850_DEVICE_ID 0x1107 +#define PCIE_LOCAL_REG_QRTR_NODE_ID 0x1E03164 +#define DOMAIN_NUMBER_MASK GENMASK(7, 4) +#define BUS_NUMBER_MASK GENMASK(3, 0) + static const struct pci_device_id ath12k_pci_id_table[] = { { PCI_VDEVICE(QCOM, QCN9274_DEVICE_ID) }, { PCI_VDEVICE(QCOM, WCN7850_DEVICE_ID) }, @@ -201,18 +205,17 @@ static u32 ath12k_pci_get_window_start(struct ath12k_base *ab, /* If offset lies within CE register range, use 2nd window */ else if ((offset ^ HAL_CE_WFSS_CE_REG_BASE) < WINDOW_RANGE_MASK) window_start = 2 * WINDOW_START; - /* If offset lies within PCI_BAR_WINDOW0_BASE and within PCI_SOC_PCI_REG_BASE - * use 0th window - */ - else if (((offset ^ PCI_BAR_WINDOW0_BASE) < WINDOW_RANGE_MASK) && - !((offset ^ PCI_SOC_PCI_REG_BASE) < PCI_SOC_RANGE_MASK)) - window_start = 0; else window_start = WINDOW_START; return window_start; } +static inline bool ath12k_pci_is_offset_within_mhi_region(u32 offset) +{ + return (offset >= PCI_MHIREGLEN_REG && offset <= PCI_MHI_REGION_END); +} + static void ath12k_pci_soc_global_reset(struct ath12k_base *ab) { u32 val, delay; @@ -682,12 +685,22 @@ static void ath12k_pci_init_qmi_ce_config(struct ath12k_base *ab) { struct ath12k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg; + struct ath12k_pci *ab_pci = ath12k_pci_priv(ab); + struct pci_bus *bus = ab_pci->pdev->bus; + cfg->tgt_ce = ab->hw_params->target_ce_config; cfg->tgt_ce_len = ab->hw_params->target_ce_count; cfg->svc_to_ce_map = ab->hw_params->svc_to_ce_map; cfg->svc_to_ce_map_len = ab->hw_params->svc_to_ce_map_len; ab->qmi.service_ins_id = ab->hw_params->qmi_service_ins_id; + + if (test_bit(ATH12K_FW_FEATURE_MULTI_QRTR_ID, ab->fw.fw_features)) { + ab_pci->qmi_instance = + u32_encode_bits(pci_domain_nr(bus), DOMAIN_NUMBER_MASK) | + u32_encode_bits(bus->number, BUS_NUMBER_MASK); + ab->qmi.service_ins_id += ab_pci->qmi_instance; + } } static void ath12k_pci_ce_irqs_enable(struct ath12k_base *ab) @@ -901,6 +914,26 @@ static void ath12k_pci_aspm_disable(struct ath12k_pci *ab_pci) set_bit(ATH12K_PCI_ASPM_RESTORE, &ab_pci->flags); } +static void ath12k_pci_update_qrtr_node_id(struct ath12k_base *ab) +{ + struct ath12k_pci *ab_pci = ath12k_pci_priv(ab); + u32 reg; + + /* On platforms with two or more identical mhi devices, qmi service run + * with identical qrtr-node-id. Because of this identical ID qrtr-lookup + * cannot register more than one qmi service with identical node ID. + * + * This generates a unique instance ID from PCIe domain number and bus number, + * writes to the given register, it is available for firmware when the QMI service + * is spawned. + */ + reg = PCIE_LOCAL_REG_QRTR_NODE_ID & WINDOW_RANGE_MASK; + ath12k_pci_write32(ab, reg, ab_pci->qmi_instance); + + ath12k_dbg(ab, ATH12K_DBG_PCI, "pci reg 0x%x instance 0x%x read val 0x%x\n", + reg, ab_pci->qmi_instance, ath12k_pci_read32(ab, reg)); +} + static void ath12k_pci_aspm_restore(struct ath12k_pci *ab_pci) { if (test_and_clear_bit(ATH12K_PCI_ASPM_RESTORE, &ab_pci->flags)) @@ -1138,15 +1171,17 @@ u32 ath12k_pci_read32(struct ath12k_base *ab, u32 offset) if (window_start == WINDOW_START) { spin_lock_bh(&ab_pci->window_lock); ath12k_pci_select_window(ab_pci, offset); - val = ioread32(ab->mem + window_start + - (offset & WINDOW_RANGE_MASK)); + + if (ath12k_pci_is_offset_within_mhi_region(offset)) { + offset = offset - PCI_MHIREGLEN_REG; + val = ioread32(ab->mem + + (offset & WINDOW_RANGE_MASK)); + } else { + val = ioread32(ab->mem + window_start + + (offset & WINDOW_RANGE_MASK)); + } spin_unlock_bh(&ab_pci->window_lock); } else { - if ((!window_start) && - (offset >= PCI_MHIREGLEN_REG && - offset <= PCI_MHI_REGION_END)) - offset = offset - PCI_MHIREGLEN_REG; - val = ioread32(ab->mem + window_start + (offset & WINDOW_RANGE_MASK)); } @@ -1183,15 +1218,17 @@ void ath12k_pci_write32(struct ath12k_base *ab, u32 offset, u32 value) if (window_start == WINDOW_START) { spin_lock_bh(&ab_pci->window_lock); ath12k_pci_select_window(ab_pci, offset); - iowrite32(value, ab->mem + window_start + - (offset & WINDOW_RANGE_MASK)); + + if (ath12k_pci_is_offset_within_mhi_region(offset)) { + offset = offset - PCI_MHIREGLEN_REG; + iowrite32(value, ab->mem + + (offset & WINDOW_RANGE_MASK)); + } else { + iowrite32(value, ab->mem + window_start + + (offset & WINDOW_RANGE_MASK)); + } spin_unlock_bh(&ab_pci->window_lock); } else { - if ((!window_start) && - (offset >= PCI_MHIREGLEN_REG && - offset <= PCI_MHI_REGION_END)) - offset = offset - PCI_MHIREGLEN_REG; - iowrite32(value, ab->mem + window_start + (offset & WINDOW_RANGE_MASK)); } @@ -1219,6 +1256,9 @@ int ath12k_pci_power_up(struct ath12k_base *ab) ath12k_pci_msi_enable(ab_pci); + if (test_bit(ATH12K_FW_FEATURE_MULTI_QRTR_ID, ab->fw.fw_features)) + ath12k_pci_update_qrtr_node_id(ab); + ret = ath12k_mhi_start(ab_pci); if (ret) { ath12k_err(ab, "failed to start mhi: %d\n", ret); @@ -1310,11 +1350,21 @@ static int ath12k_pci_probe(struct pci_dev *pdev, goto err_free_core; } + ath12k_dbg(ab, ATH12K_DBG_BOOT, "pci probe %04x:%04x %04x:%04x\n", + pdev->vendor, pdev->device, + pdev->subsystem_vendor, pdev->subsystem_device); + + ab->id.vendor = pdev->vendor; + ab->id.device = pdev->device; + ab->id.subsystem_vendor = pdev->subsystem_vendor; + ab->id.subsystem_device = pdev->subsystem_device; + switch (pci_dev->device) { case QCN9274_DEVICE_ID: ab_pci->msi_config = &ath12k_msi_config[0]; ab->static_window_map = true; ab_pci->pci_ops = &ath12k_pci_ops_qcn9274; + ab->hal_rx_ops = &hal_rx_qcn9274_ops; ath12k_pci_read_hw_version(ab, &soc_hw_version_major, &soc_hw_version_minor); switch (soc_hw_version_major) { @@ -1333,9 +1383,11 @@ static int ath12k_pci_probe(struct pci_dev *pdev, } break; case WCN7850_DEVICE_ID: + ab->id.bdf_search = ATH12K_BDF_SEARCH_BUS_AND_BOARD; ab_pci->msi_config = &ath12k_msi_config[0]; ab->static_window_map = false; ab_pci->pci_ops = &ath12k_pci_ops_wcn7850; + ab->hal_rx_ops = &hal_rx_wcn7850_ops; ath12k_pci_read_hw_version(ab, &soc_hw_version_major, &soc_hw_version_minor); switch (soc_hw_version_major) { -- cgit v1.2.3