summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath12k/mhi.c
diff options
context:
space:
mode:
authorKalle Valo <kvalo@kernel.org>2024-02-22 12:41:45 +0200
committerKalle Valo <kvalo@kernel.org>2024-02-22 12:41:45 +0200
commit1c33f0ffacfd22dd748d69199d0575bcc461684e (patch)
tree6703b770d59e4473e345024679b22f85fde5ad9a /drivers/net/wireless/ath/ath12k/mhi.c
parentf3ec643947634bed41b97bd56b248f7c78498eab (diff)
parent3ab6aff5793c3c7bdf6535d9b0024544a4abbdd5 (diff)
Merge tag 'ath-next-20240222' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath
ath.git patches for v6.9 We have support for QCA2066 now and also several new features in ath12k. Major changes: ath12k * firmware-2.bin support * support having multiple identical PCI devices (firmware needs to have ATH12K_FW_FEATURE_MULTI_QRTR_ID) * QCN9274: support split-PHY devices * WCN7850: enable Power Save Mode in station mode * WCN7850: P2P support ath11k: * QCA6390 & WCN6855: support 2 concurrent station interfaces * QCA2066 support
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/mhi.c')
-rw-r--r--drivers/net/wireless/ath/ath12k/mhi.c52
1 files changed, 46 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath12k/mhi.c b/drivers/net/wireless/ath/ath12k/mhi.c
index d5441ddb374b..adb8c3ec1950 100644
--- a/drivers/net/wireless/ath/ath12k/mhi.c
+++ b/drivers/net/wireless/ath/ath12k/mhi.c
@@ -1,11 +1,12 @@
// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2020-2021 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 <linux/msi.h>
#include <linux/pci.h>
+#include <linux/firmware.h>
#include "core.h"
#include "debug.h"
@@ -13,6 +14,8 @@
#include "pci.h"
#define MHI_TIMEOUT_DEFAULT_MS 90000
+#define OTP_INVALID_BOARD_ID 0xFFFF
+#define OTP_VALID_DUALMAC_BOARD_ID_MASK 0x1000
static const struct mhi_channel_config ath12k_mhi_channels_qcn9274[] = {
{
@@ -358,23 +361,60 @@ int ath12k_mhi_register(struct ath12k_pci *ab_pci)
{
struct ath12k_base *ab = ab_pci->ab;
struct mhi_controller *mhi_ctrl;
+ unsigned int board_id;
int ret;
+ bool dualmac = false;
mhi_ctrl = mhi_alloc_controller();
if (!mhi_ctrl)
return -ENOMEM;
- ath12k_core_create_firmware_path(ab, ATH12K_AMSS_FILE,
- ab_pci->amss_path,
- sizeof(ab_pci->amss_path));
-
ab_pci->mhi_ctrl = mhi_ctrl;
mhi_ctrl->cntrl_dev = ab->dev;
- mhi_ctrl->fw_image = ab_pci->amss_path;
mhi_ctrl->regs = ab->mem;
mhi_ctrl->reg_len = ab->mem_len;
mhi_ctrl->rddm_size = ab->hw_params->rddm_size;
+ if (ab->hw_params->otp_board_id_register) {
+ board_id =
+ ath12k_pci_read32(ab, ab->hw_params->otp_board_id_register);
+ board_id = u32_get_bits(board_id, OTP_BOARD_ID_MASK);
+
+ if (!board_id || (board_id == OTP_INVALID_BOARD_ID)) {
+ ath12k_dbg(ab, ATH12K_DBG_BOOT,
+ "failed to read board id\n");
+ } else if (board_id & OTP_VALID_DUALMAC_BOARD_ID_MASK) {
+ dualmac = true;
+ ab->slo_capable = false;
+ ath12k_dbg(ab, ATH12K_DBG_BOOT,
+ "dualmac fw selected for board id: %x\n", board_id);
+ }
+ }
+
+ if (dualmac) {
+ if (ab->fw.amss_dualmac_data && ab->fw.amss_dualmac_len > 0) {
+ /* use MHI firmware file from firmware-N.bin */
+ mhi_ctrl->fw_data = ab->fw.amss_dualmac_data;
+ mhi_ctrl->fw_sz = ab->fw.amss_dualmac_len;
+ } else {
+ ath12k_warn(ab, "dualmac firmware IE not present in firmware-N.bin\n");
+ ret = -ENOENT;
+ goto free_controller;
+ }
+ } else {
+ if (ab->fw.amss_data && ab->fw.amss_len > 0) {
+ /* use MHI firmware file from firmware-N.bin */
+ mhi_ctrl->fw_data = ab->fw.amss_data;
+ mhi_ctrl->fw_sz = ab->fw.amss_len;
+ } else {
+ /* use the old separate mhi.bin MHI firmware file */
+ ath12k_core_create_firmware_path(ab, ATH12K_AMSS_FILE,
+ ab_pci->amss_path,
+ sizeof(ab_pci->amss_path));
+ mhi_ctrl->fw_image = ab_pci->amss_path;
+ }
+ }
+
ret = ath12k_mhi_get_msi(ab_pci);
if (ret) {
ath12k_err(ab, "failed to get msi for mhi\n");