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// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
#include <linux/pci.h>
#include "../pci.h"
#include "pci.h"
#include "../core.h"
#include "../hif.h"
#include "../mhi.h"
#include "hw.h"
#include "../hal.h"
#include "dp.h"
#include "core.h"
#include "hal.h"
#define QCN9274_DEVICE_ID 0x1109
#define WCN7850_DEVICE_ID 0x1107
#define QCC2072_DEVICE_ID 0x1112
#define ATH12K_PCI_W7_SOC_HW_VERSION_1 1
#define ATH12K_PCI_W7_SOC_HW_VERSION_2 2
#define TCSR_SOC_HW_VERSION 0x1B00000
#define TCSR_SOC_HW_VERSION_MAJOR_MASK GENMASK(11, 8)
#define TCSR_SOC_HW_VERSION_MINOR_MASK GENMASK(7, 4)
#define WINDOW_REG_ADDRESS 0x310c
#define WINDOW_REG_ADDRESS_QCC2072 0x3278
static const struct pci_device_id ath12k_wifi7_pci_id_table[] = {
{ PCI_VDEVICE(QCOM, QCN9274_DEVICE_ID) },
{ PCI_VDEVICE(QCOM, WCN7850_DEVICE_ID) },
{ PCI_VDEVICE(QCOM, QCC2072_DEVICE_ID) },
{}
};
MODULE_DEVICE_TABLE(pci, ath12k_wifi7_pci_id_table);
/* TODO: revisit IRQ mapping for new SRNG's */
static const struct ath12k_msi_config ath12k_wifi7_msi_config[] = {
{
.total_vectors = 16,
.total_users = 3,
.users = (struct ath12k_msi_user[]) {
{ .name = "MHI", .num_vectors = 3, .base_vector = 0 },
{ .name = "CE", .num_vectors = 5, .base_vector = 3 },
{ .name = "DP", .num_vectors = 8, .base_vector = 8 },
},
},
};
static const struct ath12k_pci_ops ath12k_wifi7_pci_ops_qcn9274 = {
.wakeup = NULL,
.release = NULL,
};
static int ath12k_wifi7_pci_bus_wake_up(struct ath12k_base *ab)
{
struct ath12k_pci *ab_pci = ath12k_pci_priv(ab);
return mhi_device_get_sync(ab_pci->mhi_ctrl->mhi_dev);
}
static void ath12k_wifi7_pci_bus_release(struct ath12k_base *ab)
{
struct ath12k_pci *ab_pci = ath12k_pci_priv(ab);
mhi_device_put(ab_pci->mhi_ctrl->mhi_dev);
}
static const struct ath12k_pci_ops ath12k_wifi7_pci_ops_wcn7850 = {
.wakeup = ath12k_wifi7_pci_bus_wake_up,
.release = ath12k_wifi7_pci_bus_release,
};
static
void ath12k_wifi7_pci_read_hw_version(struct ath12k_base *ab,
u32 *major, u32 *minor)
{
u32 soc_hw_version;
soc_hw_version = ath12k_pci_read32(ab, TCSR_SOC_HW_VERSION);
*major = u32_get_bits(soc_hw_version, TCSR_SOC_HW_VERSION_MAJOR_MASK);
*minor = u32_get_bits(soc_hw_version, TCSR_SOC_HW_VERSION_MINOR_MASK);
}
static int ath12k_wifi7_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *pci_dev)
{
u32 soc_hw_version_major, soc_hw_version_minor;
struct ath12k_pci *ab_pci;
struct ath12k_base *ab;
int ret;
ab = pci_get_drvdata(pdev);
if (!ab)
return -EINVAL;
ab_pci = ath12k_pci_priv(ab);
if (!ab_pci)
return -EINVAL;
switch (pci_dev->device) {
case QCN9274_DEVICE_ID:
ab_pci->msi_config = &ath12k_wifi7_msi_config[0];
ab->static_window_map = true;
ab_pci->pci_ops = &ath12k_wifi7_pci_ops_qcn9274;
/*
* init window reg addr before reading hardware version
* as it will be used there
*/
ab_pci->window_reg_addr = WINDOW_REG_ADDRESS;
ath12k_wifi7_pci_read_hw_version(ab, &soc_hw_version_major,
&soc_hw_version_minor);
ab->target_mem_mode = ath12k_core_get_memory_mode(ab);
switch (soc_hw_version_major) {
case ATH12K_PCI_W7_SOC_HW_VERSION_2:
ab->hw_rev = ATH12K_HW_QCN9274_HW20;
break;
case ATH12K_PCI_W7_SOC_HW_VERSION_1:
ab->hw_rev = ATH12K_HW_QCN9274_HW10;
break;
default:
dev_err(&pdev->dev,
"Unknown hardware version found for QCN9274: 0x%x\n",
soc_hw_version_major);
return -EOPNOTSUPP;
}
break;
case WCN7850_DEVICE_ID:
ab->id.bdf_search = ATH12K_BDF_SEARCH_BUS_AND_BOARD;
ab_pci->msi_config = &ath12k_wifi7_msi_config[0];
ab->static_window_map = false;
ab_pci->pci_ops = &ath12k_wifi7_pci_ops_wcn7850;
/*
* init window reg addr before reading hardware version
* as it will be used there
*/
ab_pci->window_reg_addr = WINDOW_REG_ADDRESS;
ath12k_wifi7_pci_read_hw_version(ab, &soc_hw_version_major,
&soc_hw_version_minor);
ab->target_mem_mode = ATH12K_QMI_MEMORY_MODE_DEFAULT;
switch (soc_hw_version_major) {
case ATH12K_PCI_W7_SOC_HW_VERSION_2:
ab->hw_rev = ATH12K_HW_WCN7850_HW20;
break;
default:
dev_err(&pdev->dev,
"Unknown hardware version found for WCN7850: 0x%x\n",
soc_hw_version_major);
return -EOPNOTSUPP;
}
break;
case QCC2072_DEVICE_ID:
ab->id.bdf_search = ATH12K_BDF_SEARCH_BUS_AND_BOARD;
ab_pci->msi_config = &ath12k_wifi7_msi_config[0];
ab->static_window_map = false;
ab_pci->pci_ops = &ath12k_wifi7_pci_ops_wcn7850;
ab_pci->window_reg_addr = WINDOW_REG_ADDRESS_QCC2072;
ab->target_mem_mode = ATH12K_QMI_MEMORY_MODE_DEFAULT;
/* there is only one version till now */
ab->hw_rev = ATH12K_HW_QCC2072_HW10;
break;
default:
dev_err(&pdev->dev, "Unknown Wi-Fi 7 PCI device found: 0x%x\n",
pci_dev->device);
return -EOPNOTSUPP;
}
ret = ath12k_wifi7_hw_init(ab);
if (ret) {
dev_err(&pdev->dev, "WiFi-7 hw_init for PCI failed: %d\n", ret);
return ret;
}
return 0;
}
static const struct ath12k_pci_reg_base ath12k_wifi7_reg_base = {
.umac_base = HAL_SEQ_WCSS_UMAC_OFFSET,
.ce_reg_base = HAL_CE_WFSS_CE_REG_BASE,
};
static struct ath12k_pci_driver ath12k_wifi7_pci_driver = {
.name = "ath12k_wifi7_pci",
.id_table = ath12k_wifi7_pci_id_table,
.ops.probe = ath12k_wifi7_pci_probe,
.reg_base = &ath12k_wifi7_reg_base,
.ops.arch_init = ath12k_wifi7_arch_init,
.ops.arch_deinit = ath12k_wifi7_arch_deinit,
};
int ath12k_wifi7_pci_init(void)
{
int ret;
ret = ath12k_pci_register_driver(ATH12K_DEVICE_FAMILY_WIFI7,
&ath12k_wifi7_pci_driver);
if (ret) {
pr_err("Failed to register ath12k Wi-Fi 7 driver: %d\n",
ret);
return ret;
}
return 0;
}
void ath12k_wifi7_pci_exit(void)
{
ath12k_pci_unregister_driver(ATH12K_DEVICE_FAMILY_WIFI7);
}
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