git: 187d8a3ce55a - main - ath11k: update Atheros/QCA's ath11k driver
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Date: Thu, 19 Mar 2026 23:32:33 UTC
The branch main has been updated by bz:
URL: https://cgit.FreeBSD.org/src/commit/?id=187d8a3ce55a4e2d41fbe61465d5ff4ac0fc6bd5
commit 187d8a3ce55a4e2d41fbe61465d5ff4ac0fc6bd5
Merge: 80aae8a3f8aa 4c115eaec2fd
Author: Bjoern A. Zeeb <bz@FreeBSD.org>
AuthorDate: 2026-03-19 23:30:11 +0000
Commit: Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2026-03-19 23:30:37 +0000
ath11k: update Atheros/QCA's ath11k driver
This version is based on
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
24d479d26b25bce5faea3ddd9fa8f3a6c3129ea7 ( tag: v6.19-rc6 ).
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
sys/contrib/dev/athk/ath11k/hal.h | 38 ++--
sys/contrib/dev/athk/ath11k/mac.c | 455 ++++++++++++++++++++++++++------------
sys/contrib/dev/athk/ath11k/pci.c | 20 +-
sys/contrib/dev/athk/ath11k/pci.h | 18 +-
sys/contrib/dev/athk/ath11k/qmi.c | 2 +-
sys/contrib/dev/athk/ath11k/wmi.c | 20 +-
sys/contrib/dev/athk/ath11k/wmi.h | 18 +-
7 files changed, 380 insertions(+), 191 deletions(-)
diff --cc sys/contrib/dev/athk/ath11k/pci.c
index 5db3a5a2ff64,000000000000..978d40e54bf8
mode 100644,000000..100644
--- a/sys/contrib/dev/athk/ath11k/pci.c
+++ b/sys/contrib/dev/athk/ath11k/pci.c
@@@ -1,1324 -1,0 +1,1342 @@@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved.
++ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <linux/module.h>
+#include <linux/msi.h>
+#include <linux/pci.h>
+#if defined(CONFIG_OF)
+#include <linux/of.h>
+#endif
+#if defined(__FreeBSD__)
+#include <linux/delay.h>
+#include <linux/cpu.h>
+#endif
+#include <linux/time.h>
+#include <linux/vmalloc.h>
+
+#include "pci.h"
+#include "core.h"
+#include "hif.h"
+#include "mhi.h"
+#include "debug.h"
+#include "pcic.h"
+#include "qmi.h"
+
+#define ATH11K_PCI_BAR_NUM 0
+#define ATH11K_PCI_DMA_MASK 36
+#define ATH11K_PCI_COHERENT_DMA_MASK 32
+
+#define TCSR_SOC_HW_VERSION 0x0224
+#define TCSR_SOC_HW_VERSION_MAJOR_MASK GENMASK(11, 8)
+#define TCSR_SOC_HW_VERSION_MINOR_MASK GENMASK(7, 0)
+
+#define QCA6390_DEVICE_ID 0x1101
+#define QCN9074_DEVICE_ID 0x1104
+#define WCN6855_DEVICE_ID 0x1103
+
+#define TCSR_SOC_HW_SUB_VER 0x1910010
+
+static const struct pci_device_id ath11k_pci_id_table[] = {
+ { PCI_VDEVICE(QCOM, QCA6390_DEVICE_ID) },
+ { PCI_VDEVICE(QCOM, WCN6855_DEVICE_ID) },
+ { PCI_VDEVICE(QCOM, QCN9074_DEVICE_ID) },
+ {}
+};
+
+MODULE_DEVICE_TABLE(pci, ath11k_pci_id_table);
+
+static int ath11k_pci_bus_wake_up(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+
+ return mhi_device_get_sync(ab_pci->mhi_ctrl->mhi_dev);
+}
+
+static void ath11k_pci_bus_release(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(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;
+
+ u32 window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, offset);
+
+ lockdep_assert_held(&ab_pci->window_lock);
+
+ if (window != ab_pci->register_window) {
+#if defined(__linux__)
+ iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | window,
+ ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+ ioread32(ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+#elif defined(__FreeBSD__)
+ iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | window,
+ (char *)ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+ ioread32((char *)ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+#endif
+ ab_pci->register_window = window;
+ }
+}
+
+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;
+
+ 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);
+#if defined(__linux__)
+ iowrite32(value, ab->mem + window_start +
+#elif defined(__FreeBSD__)
+ iowrite32(value, (char *)ab->mem + window_start +
+#endif
+ (offset & ATH11K_PCI_WINDOW_RANGE_MASK));
+ spin_unlock_bh(&ab_pci->window_lock);
+ } else {
+#if defined(__linux__)
+ iowrite32(value, ab->mem + window_start +
+#elif defined(__FreeBSD__)
+ iowrite32(value, (char *)ab->mem + window_start +
+#endif
+ (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, val;
+
+ 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);
+#if defined(__linux__)
+ val = ioread32(ab->mem + window_start +
+#elif defined(__FreeBSD__)
+ val = ioread32((char *)ab->mem + window_start +
+#endif
+ (offset & ATH11K_PCI_WINDOW_RANGE_MASK));
+ spin_unlock_bh(&ab_pci->window_lock);
+ } else {
+#if defined(__linux__)
+ val = ioread32(ab->mem + window_start +
+#elif defined(__FreeBSD__)
+ val = ioread32((char *)ab->mem + window_start +
+#endif
+ (offset & ATH11K_PCI_WINDOW_RANGE_MASK));
+ }
+
+ return val;
+}
+
+int ath11k_pci_get_msi_irq(struct ath11k_base *ab, unsigned int vector)
+{
+ struct pci_dev *pci_dev = to_pci_dev(ab->dev);
+
+ return pci_irq_vector(pci_dev, vector);
+}
+
+static const struct ath11k_pci_ops ath11k_pci_ops_qca6390 = {
+ .wakeup = ath11k_pci_bus_wake_up,
+ .release = ath11k_pci_bus_release,
+ .get_msi_irq = ath11k_pci_get_msi_irq,
+ .window_write32 = ath11k_pci_window_write32,
+ .window_read32 = ath11k_pci_window_read32,
+};
+
+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,
+};
+
+static const struct ath11k_msi_config msi_config_one_msi = {
+ .total_vectors = 1,
+ .total_users = 4,
+ .users = (struct ath11k_msi_user[]) {
+ { .name = "MHI", .num_vectors = 3, .base_vector = 0 },
+ { .name = "CE", .num_vectors = 1, .base_vector = 0 },
+ { .name = "WAKE", .num_vectors = 1, .base_vector = 0 },
+ { .name = "DP", .num_vectors = 1, .base_vector = 0 },
+ },
+};
+
+static inline void ath11k_pci_select_static_window(struct ath11k_pci *ab_pci)
+{
+ u32 umac_window;
+ u32 ce_window;
+ u32 window;
+
+ umac_window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, HAL_SEQ_WCSS_UMAC_OFFSET);
+ ce_window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, HAL_CE_WFSS_CE_REG_BASE);
+ window = (umac_window << 12) | (ce_window << 6);
+
+ iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | window,
+#if defined(__linux__)
+ ab_pci->ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+#elif defined(__FreeBSD__)
+ (char *)ab_pci->ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+#endif
+}
+
++static void ath11k_pci_restore_window(struct ath11k_base *ab)
++{
++ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
++
++ spin_lock_bh(&ab_pci->window_lock);
++
++ iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | ab_pci->register_window,
++ ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
++ ioread32(ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
++
++ spin_unlock_bh(&ab_pci->window_lock);
++}
++
+static void ath11k_pci_soc_global_reset(struct ath11k_base *ab)
+{
+ u32 val, delay;
+
+ val = ath11k_pcic_read32(ab, PCIE_SOC_GLOBAL_RESET);
+
+ val |= PCIE_SOC_GLOBAL_RESET_V;
+
+ ath11k_pcic_write32(ab, PCIE_SOC_GLOBAL_RESET, val);
+
+ /* TODO: exact time to sleep is uncertain */
+ delay = 10;
+ mdelay(delay);
+
+ /* Need to toggle V bit back otherwise stuck in reset status */
+ val &= ~PCIE_SOC_GLOBAL_RESET_V;
+
+ ath11k_pcic_write32(ab, PCIE_SOC_GLOBAL_RESET, val);
+
+ mdelay(delay);
+
+ val = ath11k_pcic_read32(ab, PCIE_SOC_GLOBAL_RESET);
+ if (val == 0xffffffff)
+ ath11k_warn(ab, "link down error during global reset\n");
++
++ /* Restore window register as its content is cleared during
++ * hardware global reset, such that it aligns with host cache.
++ */
++ ath11k_pci_restore_window(ab);
+}
+
+static void ath11k_pci_clear_dbg_registers(struct ath11k_base *ab)
+{
+ u32 val;
+
+ /* read cookie */
+ val = ath11k_pcic_read32(ab, PCIE_Q6_COOKIE_ADDR);
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "pcie_q6_cookie_addr 0x%x\n", val);
+
+ val = ath11k_pcic_read32(ab, WLAON_WARM_SW_ENTRY);
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "wlaon_warm_sw_entry 0x%x\n", val);
+
+ /* TODO: exact time to sleep is uncertain */
+ mdelay(10);
+
+ /* write 0 to WLAON_WARM_SW_ENTRY to prevent Q6 from
+ * continuing warm path and entering dead loop.
+ */
+ ath11k_pcic_write32(ab, WLAON_WARM_SW_ENTRY, 0);
+ mdelay(10);
+
+ val = ath11k_pcic_read32(ab, WLAON_WARM_SW_ENTRY);
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "wlaon_warm_sw_entry 0x%x\n", val);
+
+ /* A read clear register. clear the register to prevent
+ * Q6 from entering wrong code path.
+ */
+ val = ath11k_pcic_read32(ab, WLAON_SOC_RESET_CAUSE_REG);
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "soc reset cause %d\n", val);
+}
+
+static int ath11k_pci_set_link_reg(struct ath11k_base *ab,
+ u32 offset, u32 value, u32 mask)
+{
+ u32 v;
+ int i;
+
+ v = ath11k_pcic_read32(ab, offset);
+ if ((v & mask) == value)
+ return 0;
+
+ for (i = 0; i < 10; i++) {
+ ath11k_pcic_write32(ab, offset, (v & ~mask) | value);
+
+ v = ath11k_pcic_read32(ab, offset);
+ if ((v & mask) == value)
+ return 0;
+
+ mdelay(2);
+ }
+
+ ath11k_warn(ab, "failed to set pcie link register 0x%08x: 0x%08x != 0x%08x\n",
+ offset, v & mask, value);
+
+ return -ETIMEDOUT;
+}
+
+static int ath11k_pci_fix_l1ss(struct ath11k_base *ab)
+{
+ int ret;
+
+ ret = ath11k_pci_set_link_reg(ab,
+ PCIE_QSERDES_COM_SYSCLK_EN_SEL_REG(ab),
+ PCIE_QSERDES_COM_SYSCLK_EN_SEL_VAL,
+ PCIE_QSERDES_COM_SYSCLK_EN_SEL_MSK);
+ if (ret) {
+ ath11k_warn(ab, "failed to set sysclk: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath11k_pci_set_link_reg(ab,
+ PCIE_PCS_OSC_DTCT_CONFIG1_REG(ab),
+ PCIE_PCS_OSC_DTCT_CONFIG1_VAL,
+ PCIE_PCS_OSC_DTCT_CONFIG_MSK);
+ if (ret) {
+ ath11k_warn(ab, "failed to set dtct config1 error: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath11k_pci_set_link_reg(ab,
+ PCIE_PCS_OSC_DTCT_CONFIG2_REG(ab),
+ PCIE_PCS_OSC_DTCT_CONFIG2_VAL,
+ PCIE_PCS_OSC_DTCT_CONFIG_MSK);
+ if (ret) {
+ ath11k_warn(ab, "failed to set dtct config2: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath11k_pci_set_link_reg(ab,
+ PCIE_PCS_OSC_DTCT_CONFIG4_REG(ab),
+ PCIE_PCS_OSC_DTCT_CONFIG4_VAL,
+ PCIE_PCS_OSC_DTCT_CONFIG_MSK);
+ if (ret) {
+ ath11k_warn(ab, "failed to set dtct config4: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ath11k_pci_enable_ltssm(struct ath11k_base *ab)
+{
+ u32 val;
+ int i;
+
+ val = ath11k_pcic_read32(ab, PCIE_PCIE_PARF_LTSSM);
+
+ /* PCIE link seems very unstable after the Hot Reset*/
+ for (i = 0; val != PARM_LTSSM_VALUE && i < 5; i++) {
+ if (val == 0xffffffff)
+ mdelay(5);
+
+ ath11k_pcic_write32(ab, PCIE_PCIE_PARF_LTSSM, PARM_LTSSM_VALUE);
+ val = ath11k_pcic_read32(ab, PCIE_PCIE_PARF_LTSSM);
+ }
+
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "ltssm 0x%x\n", val);
+
+ val = ath11k_pcic_read32(ab, GCC_GCC_PCIE_HOT_RST);
+ val |= GCC_GCC_PCIE_HOT_RST_VAL;
+ ath11k_pcic_write32(ab, GCC_GCC_PCIE_HOT_RST, val);
+ val = ath11k_pcic_read32(ab, GCC_GCC_PCIE_HOT_RST);
+
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "pcie_hot_rst 0x%x\n", val);
+
+ mdelay(5);
+}
+
+static void ath11k_pci_clear_all_intrs(struct ath11k_base *ab)
+{
+ /* This is a WAR for PCIE Hotreset.
+ * When target receive Hotreset, but will set the interrupt.
+ * So when download SBL again, SBL will open Interrupt and
+ * receive it, and crash immediately.
+ */
+ ath11k_pcic_write32(ab, PCIE_PCIE_INT_ALL_CLEAR, PCIE_INT_CLEAR_ALL);
+}
+
+static void ath11k_pci_set_wlaon_pwr_ctrl(struct ath11k_base *ab)
+{
+ u32 val;
+
+ val = ath11k_pcic_read32(ab, WLAON_QFPROM_PWR_CTRL_REG);
+ val &= ~QFPROM_PWR_CTRL_VDD4BLOW_MASK;
+ ath11k_pcic_write32(ab, WLAON_QFPROM_PWR_CTRL_REG, val);
+}
+
+static void ath11k_pci_force_wake(struct ath11k_base *ab)
+{
+ ath11k_pcic_write32(ab, PCIE_SOC_WAKE_PCIE_LOCAL_REG, 1);
+ mdelay(5);
+}
+
+static void ath11k_pci_sw_reset(struct ath11k_base *ab, bool power_on)
+{
+ mdelay(100);
+
+ if (power_on) {
+ ath11k_pci_enable_ltssm(ab);
+ ath11k_pci_clear_all_intrs(ab);
+ ath11k_pci_set_wlaon_pwr_ctrl(ab);
+ if (ab->hw_params.fix_l1ss)
+ ath11k_pci_fix_l1ss(ab);
+ }
+
+ ath11k_mhi_clear_vector(ab);
+ ath11k_pci_clear_dbg_registers(ab);
+ ath11k_pci_soc_global_reset(ab);
+ ath11k_mhi_set_mhictrl_reset(ab);
+}
+
+static void ath11k_pci_init_qmi_ce_config(struct ath11k_base *ab)
+{
+ struct ath11k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg;
+
+ 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;
+
+ ath11k_ce_get_shadow_config(ab, &cfg->shadow_reg_v2,
+ &cfg->shadow_reg_v2_len);
+}
+
+static void ath11k_pci_msi_config(struct ath11k_pci *ab_pci, bool enable)
+{
+ struct pci_dev *dev = ab_pci->pdev;
+ u16 control;
+
+ pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control);
+
+ if (enable)
+ control |= PCI_MSI_FLAGS_ENABLE;
+ else
+ control &= ~PCI_MSI_FLAGS_ENABLE;
+
+ pci_write_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, control);
+}
+
+static void ath11k_pci_msi_enable(struct ath11k_pci *ab_pci)
+{
+ ath11k_pci_msi_config(ab_pci, true);
+}
+
+static void ath11k_pci_msi_disable(struct ath11k_pci *ab_pci)
+{
+ ath11k_pci_msi_config(ab_pci, false);
+}
+
+static int ath11k_pci_alloc_msi(struct ath11k_pci *ab_pci)
+{
+ struct ath11k_base *ab = ab_pci->ab;
+ const struct ath11k_msi_config *msi_config = ab->pci.msi.config;
+ struct pci_dev *pci_dev = ab_pci->pdev;
+ struct msi_desc *msi_desc;
+ int num_vectors;
+ int ret;
+
+ num_vectors = pci_alloc_irq_vectors(pci_dev,
+ msi_config->total_vectors,
+ msi_config->total_vectors,
+ PCI_IRQ_MSI);
+ if (num_vectors == msi_config->total_vectors) {
+ set_bit(ATH11K_FLAG_MULTI_MSI_VECTORS, &ab->dev_flags);
+ } else {
+ num_vectors = pci_alloc_irq_vectors(ab_pci->pdev,
+ 1,
+ 1,
+ PCI_IRQ_MSI);
+ if (num_vectors < 0) {
+ ret = -EINVAL;
+ goto reset_msi_config;
+ }
+ clear_bit(ATH11K_FLAG_MULTI_MSI_VECTORS, &ab->dev_flags);
+ ab->pci.msi.config = &msi_config_one_msi;
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "request one msi vector\n");
+ }
+ ath11k_info(ab, "MSI vectors: %d\n", num_vectors);
+
+ ath11k_pci_msi_disable(ab_pci);
+
+ msi_desc = irq_get_msi_desc(ab_pci->pdev->irq);
+ if (!msi_desc) {
+ ath11k_err(ab, "msi_desc is NULL!\n");
+ ret = -EINVAL;
+ goto free_msi_vector;
+ }
+
+ ab->pci.msi.ep_base_data = msi_desc->msg.data;
+
+ pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_LO,
+ &ab->pci.msi.addr_lo);
+
+ if (msi_desc->pci.msi_attrib.is_64) {
+ pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_HI,
+ &ab->pci.msi.addr_hi);
+ } else {
+ ab->pci.msi.addr_hi = 0;
+ }
+
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "msi base data is %d\n", ab->pci.msi.ep_base_data);
+
+ return 0;
+
+free_msi_vector:
+ pci_free_irq_vectors(ab_pci->pdev);
+
+reset_msi_config:
+ return ret;
+}
+
+static void ath11k_pci_free_msi(struct ath11k_pci *ab_pci)
+{
+ pci_free_irq_vectors(ab_pci->pdev);
+}
+
+static int ath11k_pci_config_msi_data(struct ath11k_pci *ab_pci)
+{
+ struct msi_desc *msi_desc;
+
+ msi_desc = irq_get_msi_desc(ab_pci->pdev->irq);
+ if (!msi_desc) {
+ ath11k_err(ab_pci->ab, "msi_desc is NULL!\n");
+ pci_free_irq_vectors(ab_pci->pdev);
+ return -EINVAL;
+ }
+
+ ab_pci->ab->pci.msi.ep_base_data = msi_desc->msg.data;
+
+ ath11k_dbg(ab_pci->ab, ATH11K_DBG_PCI, "after request_irq msi_ep_base_data %d\n",
+ ab_pci->ab->pci.msi.ep_base_data);
+
+ return 0;
+}
+
+static int ath11k_pci_claim(struct ath11k_pci *ab_pci, struct pci_dev *pdev)
+{
+ struct ath11k_base *ab = ab_pci->ab;
+ u16 device_id;
+ int ret = 0;
+
+ pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
+ if (device_id != ab_pci->dev_id) {
+ ath11k_err(ab, "pci device id mismatch: 0x%x 0x%x\n",
+ device_id, ab_pci->dev_id);
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = pci_assign_resource(pdev, ATH11K_PCI_BAR_NUM);
+ if (ret) {
+ ath11k_err(ab, "failed to assign pci resource: %d\n", ret);
+ goto out;
+ }
+
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ ath11k_err(ab, "failed to enable pci device: %d\n", ret);
+ goto out;
+ }
+
+ ret = pci_request_region(pdev, ATH11K_PCI_BAR_NUM, "ath11k_pci");
+ if (ret) {
+ ath11k_err(ab, "failed to request pci region: %d\n", ret);
+ goto disable_device;
+ }
+
+ ret = dma_set_mask(&pdev->dev,
+ DMA_BIT_MASK(ATH11K_PCI_DMA_MASK));
+ if (ret) {
+ ath11k_err(ab, "failed to set pci dma mask to %d: %d\n",
+ ATH11K_PCI_DMA_MASK, ret);
+ goto release_region;
+ }
+
+ ab_pci->dma_mask = DMA_BIT_MASK(ATH11K_PCI_DMA_MASK);
+
+ ret = dma_set_coherent_mask(&pdev->dev,
+ DMA_BIT_MASK(ATH11K_PCI_COHERENT_DMA_MASK));
+ if (ret) {
+ ath11k_err(ab, "failed to set pci coherent dma mask to %d: %d\n",
+ ATH11K_PCI_COHERENT_DMA_MASK, ret);
+ goto release_region;
+ }
+
+ pci_set_master(pdev);
+
+ ab->mem_len = pci_resource_len(pdev, ATH11K_PCI_BAR_NUM);
+ ab->mem = pci_iomap(pdev, ATH11K_PCI_BAR_NUM, 0);
+ if (!ab->mem) {
+ ath11k_err(ab, "failed to map pci bar %d\n", ATH11K_PCI_BAR_NUM);
+ ret = -EIO;
+ goto release_region;
+ }
+
+ ab->mem_ce = ab->mem;
+
+ ath11k_dbg(ab, ATH11K_DBG_BOOT, "pci_mem 0x%p\n", ab->mem);
+ return 0;
+
+release_region:
+ pci_release_region(pdev, ATH11K_PCI_BAR_NUM);
+disable_device:
+ pci_disable_device(pdev);
+out:
+ return ret;
+}
+
+static void ath11k_pci_free_region(struct ath11k_pci *ab_pci)
+{
+ struct ath11k_base *ab = ab_pci->ab;
+ struct pci_dev *pci_dev = ab_pci->pdev;
+
+ pci_iounmap(pci_dev, ab->mem);
+ ab->mem = NULL;
+ pci_release_region(pci_dev, ATH11K_PCI_BAR_NUM);
+ if (pci_is_enabled(pci_dev))
+ pci_disable_device(pci_dev);
+}
+
+static void ath11k_pci_aspm_disable(struct ath11k_pci *ab_pci)
+{
+ struct ath11k_base *ab = ab_pci->ab;
+
+ pcie_capability_read_word(ab_pci->pdev, PCI_EXP_LNKCTL,
+ &ab_pci->link_ctl);
+
+ ath11k_dbg(ab, ATH11K_DBG_PCI, "link_ctl 0x%04x L0s %d L1 %d\n",
+ ab_pci->link_ctl,
+ u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L0S),
+ u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L1));
+
+ /* disable L0s and L1 */
+ pcie_capability_clear_word(ab_pci->pdev, PCI_EXP_LNKCTL,
+ PCI_EXP_LNKCTL_ASPMC);
+
+ set_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags);
+}
+
+static void ath11k_pci_aspm_restore(struct ath11k_pci *ab_pci)
+{
+ if (test_and_clear_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags))
+ pcie_capability_clear_and_set_word(ab_pci->pdev, PCI_EXP_LNKCTL,
+ PCI_EXP_LNKCTL_ASPMC,
+ ab_pci->link_ctl &
+ PCI_EXP_LNKCTL_ASPMC);
+}
+
+#ifdef CONFIG_DEV_COREDUMP
+static int ath11k_pci_coredump_calculate_size(struct ath11k_base *ab, u32 *dump_seg_sz)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+ struct mhi_controller *mhi_ctrl = ab_pci->mhi_ctrl;
+ struct image_info *rddm_img, *fw_img;
+ struct ath11k_tlv_dump_data *dump_tlv;
+ enum ath11k_fw_crash_dump_type mem_type;
+ u32 len = 0, rddm_tlv_sz = 0, paging_tlv_sz = 0;
+ struct ath11k_dump_file_data *file_data;
+ int i;
+
+ rddm_img = mhi_ctrl->rddm_image;
+ if (!rddm_img) {
+ ath11k_err(ab, "No RDDM dump found\n");
+ return 0;
+ }
+
+ fw_img = mhi_ctrl->fbc_image;
+
+ for (i = 0; i < fw_img->entries ; i++) {
+ if (!fw_img->mhi_buf[i].buf)
+ continue;
+
+ paging_tlv_sz += fw_img->mhi_buf[i].len;
+ }
+ dump_seg_sz[FW_CRASH_DUMP_PAGING_DATA] = paging_tlv_sz;
+
+ for (i = 0; i < rddm_img->entries; i++) {
+ if (!rddm_img->mhi_buf[i].buf)
+ continue;
+
+ rddm_tlv_sz += rddm_img->mhi_buf[i].len;
+ }
+ dump_seg_sz[FW_CRASH_DUMP_RDDM_DATA] = rddm_tlv_sz;
+
+ for (i = 0; i < ab->qmi.mem_seg_count; i++) {
+ mem_type = ath11k_coredump_get_dump_type(ab->qmi.target_mem[i].type);
+
+ if (mem_type == FW_CRASH_DUMP_NONE)
+ continue;
+
+ if (mem_type == FW_CRASH_DUMP_TYPE_MAX) {
+ ath11k_dbg(ab, ATH11K_DBG_PCI,
+ "target mem region type %d not supported",
+ ab->qmi.target_mem[i].type);
+ continue;
+ }
+
+ if (!ab->qmi.target_mem[i].anyaddr)
+ continue;
+
+ dump_seg_sz[mem_type] += ab->qmi.target_mem[i].size;
+ }
+
+ for (i = 0; i < FW_CRASH_DUMP_TYPE_MAX; i++) {
+ if (!dump_seg_sz[i])
+ continue;
+
+ len += sizeof(*dump_tlv) + dump_seg_sz[i];
+ }
+
+ if (len)
+ len += sizeof(*file_data);
+
+ return len;
+}
+
+static void ath11k_pci_coredump_download(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+ struct mhi_controller *mhi_ctrl = ab_pci->mhi_ctrl;
+ struct image_info *rddm_img, *fw_img;
+ struct timespec64 timestamp;
+ int i, len, mem_idx;
+ enum ath11k_fw_crash_dump_type mem_type;
+ struct ath11k_dump_file_data *file_data;
+ struct ath11k_tlv_dump_data *dump_tlv;
+ size_t hdr_len = sizeof(*file_data);
+ void *buf;
+ u32 dump_seg_sz[FW_CRASH_DUMP_TYPE_MAX] = {};
+
+ ath11k_mhi_coredump(mhi_ctrl, false);
+
+ len = ath11k_pci_coredump_calculate_size(ab, dump_seg_sz);
+ if (!len) {
+ ath11k_warn(ab, "No crash dump data found for devcoredump");
+ return;
+ }
+
+ rddm_img = mhi_ctrl->rddm_image;
+ fw_img = mhi_ctrl->fbc_image;
+
+ /* dev_coredumpv() requires vmalloc data */
+ buf = vzalloc(len);
+ if (!buf)
+ return;
+
+ ab->dump_data = buf;
+ ab->ath11k_coredump_len = len;
+ file_data = ab->dump_data;
+ strscpy(file_data->df_magic, "ATH11K-FW-DUMP", sizeof(file_data->df_magic));
+ file_data->len = cpu_to_le32(len);
+ file_data->version = cpu_to_le32(ATH11K_FW_CRASH_DUMP_V2);
+ file_data->chip_id = cpu_to_le32(ab_pci->dev_id);
+ file_data->qrtr_id = cpu_to_le32(ab_pci->ab->qmi.service_ins_id);
+ file_data->bus_id = cpu_to_le32(pci_domain_nr(ab_pci->pdev->bus));
+ guid_gen(&file_data->guid);
+ ktime_get_real_ts64(×tamp);
+ file_data->tv_sec = cpu_to_le64(timestamp.tv_sec);
+ file_data->tv_nsec = cpu_to_le64(timestamp.tv_nsec);
+ buf += hdr_len;
+ dump_tlv = buf;
+ dump_tlv->type = cpu_to_le32(FW_CRASH_DUMP_PAGING_DATA);
+ dump_tlv->tlv_len = cpu_to_le32(dump_seg_sz[FW_CRASH_DUMP_PAGING_DATA]);
+ buf += COREDUMP_TLV_HDR_SIZE;
+
+ /* append all segments together as they are all part of a single contiguous
+ * block of memory
+ */
+ for (i = 0; i < fw_img->entries ; i++) {
+ if (!fw_img->mhi_buf[i].buf)
+ continue;
+
+ memcpy_fromio(buf, (void const __iomem *)fw_img->mhi_buf[i].buf,
+ fw_img->mhi_buf[i].len);
+ buf += fw_img->mhi_buf[i].len;
+ }
+
+ dump_tlv = buf;
+ dump_tlv->type = cpu_to_le32(FW_CRASH_DUMP_RDDM_DATA);
+ dump_tlv->tlv_len = cpu_to_le32(dump_seg_sz[FW_CRASH_DUMP_RDDM_DATA]);
+ buf += COREDUMP_TLV_HDR_SIZE;
+
+ /* append all segments together as they are all part of a single contiguous
+ * block of memory
+ */
+ for (i = 0; i < rddm_img->entries; i++) {
+ if (!rddm_img->mhi_buf[i].buf)
+ continue;
+
+ memcpy_fromio(buf, (void const __iomem *)rddm_img->mhi_buf[i].buf,
+ rddm_img->mhi_buf[i].len);
+ buf += rddm_img->mhi_buf[i].len;
+ }
+
+ mem_idx = FW_CRASH_DUMP_REMOTE_MEM_DATA;
+ for (; mem_idx < FW_CRASH_DUMP_TYPE_MAX; mem_idx++) {
+ if (mem_idx == FW_CRASH_DUMP_NONE)
+ continue;
+
+ for (i = 0; i < ab->qmi.mem_seg_count; i++) {
+ mem_type = ath11k_coredump_get_dump_type
+ (ab->qmi.target_mem[i].type);
+
+ if (mem_type != mem_idx)
+ continue;
+
+ if (!ab->qmi.target_mem[i].anyaddr) {
+ ath11k_dbg(ab, ATH11K_DBG_PCI,
+ "Skipping mem region type %d",
+ ab->qmi.target_mem[i].type);
+ continue;
+ }
+
+ dump_tlv = buf;
+ dump_tlv->type = cpu_to_le32(mem_idx);
+ dump_tlv->tlv_len = cpu_to_le32(dump_seg_sz[mem_idx]);
+ buf += COREDUMP_TLV_HDR_SIZE;
+
+ memcpy_fromio(buf, ab->qmi.target_mem[i].iaddr,
+ ab->qmi.target_mem[i].size);
+
+ buf += ab->qmi.target_mem[i].size;
+ }
+ }
+
+ queue_work(ab->workqueue, &ab->dump_work);
+}
+#endif
+
+static int ath11k_pci_power_up(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+ int ret;
+
+ ab_pci->register_window = 0;
+ clear_bit(ATH11K_FLAG_DEVICE_INIT_DONE, &ab->dev_flags);
+ ath11k_pci_sw_reset(ab_pci->ab, true);
+
+ /* Disable ASPM during firmware download due to problems switching
+ * to AMSS state.
+ */
+ ath11k_pci_aspm_disable(ab_pci);
+
+ ath11k_pci_msi_enable(ab_pci);
+
+ ret = ath11k_mhi_start(ab_pci);
+ if (ret) {
+ ath11k_err(ab, "failed to start mhi: %d\n", ret);
+ return ret;
+ }
+
+ if (ab->hw_params.static_window_map)
+ ath11k_pci_select_static_window(ab_pci);
+
+ return 0;
+}
+
+static void ath11k_pci_power_down(struct ath11k_base *ab, bool is_suspend)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+
+ /* restore aspm in case firmware bootup fails */
+ ath11k_pci_aspm_restore(ab_pci);
+
+ ath11k_pci_force_wake(ab_pci->ab);
+
+ ath11k_pci_msi_disable(ab_pci);
+
+ ath11k_mhi_stop(ab_pci, is_suspend);
+ clear_bit(ATH11K_FLAG_DEVICE_INIT_DONE, &ab->dev_flags);
+ ath11k_pci_sw_reset(ab_pci->ab, false);
+}
+
+static int ath11k_pci_hif_suspend(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ar_pci = ath11k_pci_priv(ab);
+
+ return ath11k_mhi_suspend(ar_pci);
+}
+
+static int ath11k_pci_hif_resume(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ar_pci = ath11k_pci_priv(ab);
+
+ return ath11k_mhi_resume(ar_pci);
+}
+
+static void ath11k_pci_hif_ce_irq_enable(struct ath11k_base *ab)
+{
+ ath11k_pcic_ce_irqs_enable(ab);
+}
+
+static void ath11k_pci_hif_ce_irq_disable(struct ath11k_base *ab)
+{
+ ath11k_pcic_ce_irq_disable_sync(ab);
+}
+
+static int ath11k_pci_start(struct ath11k_base *ab)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+
+ /* TODO: for now don't restore ASPM in case of single MSI
+ * vector as MHI register reading in M2 causes system hang.
+ */
+ if (test_bit(ATH11K_FLAG_MULTI_MSI_VECTORS, &ab->dev_flags))
+ ath11k_pci_aspm_restore(ab_pci);
+ else
+ ath11k_info(ab, "leaving PCI ASPM disabled to avoid MHI M2 problems\n");
+
+ ath11k_pcic_start(ab);
+
+ return 0;
+}
+
+static const struct ath11k_hif_ops ath11k_pci_hif_ops = {
+ .start = ath11k_pci_start,
+ .stop = ath11k_pcic_stop,
+ .read32 = ath11k_pcic_read32,
+ .write32 = ath11k_pcic_write32,
+ .read = ath11k_pcic_read,
+ .power_down = ath11k_pci_power_down,
+ .power_up = ath11k_pci_power_up,
+ .suspend = ath11k_pci_hif_suspend,
+ .resume = ath11k_pci_hif_resume,
+ .irq_enable = ath11k_pcic_ext_irq_enable,
+ .irq_disable = ath11k_pcic_ext_irq_disable,
+ .get_msi_address = ath11k_pcic_get_msi_address,
+ .get_user_msi_vector = ath11k_pcic_get_user_msi_assignment,
+ .map_service_to_pipe = ath11k_pcic_map_service_to_pipe,
+ .ce_irq_enable = ath11k_pci_hif_ce_irq_enable,
+ .ce_irq_disable = ath11k_pci_hif_ce_irq_disable,
+ .get_ce_msi_idx = ath11k_pcic_get_ce_msi_idx,
+#ifdef CONFIG_DEV_COREDUMP
+ .coredump_download = ath11k_pci_coredump_download,
+#endif
*** 20652 LINES SKIPPED ***