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-rw-r--r--drivers/net/wireless/ath/ath11k/Makefile3
-rw-r--r--drivers/net/wireless/ath/ath11k/core.c8
-rw-r--r--drivers/net/wireless/ath/ath11k/core.h15
-rw-r--r--drivers/net/wireless/ath/ath11k/fw.c168
-rw-r--r--drivers/net/wireless/ath/ath11k/fw.h27
-rw-r--r--drivers/net/wireless/ath/ath11k/mhi.c18
-rw-r--r--drivers/net/wireless/ath/ath11k/qmi.c36
7 files changed, 258 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath11k/Makefile b/drivers/net/wireless/ath/ath11k/Makefile
index cc47e0114595..2c94d50ae36f 100644
--- a/drivers/net/wireless/ath/ath11k/Makefile
+++ b/drivers/net/wireless/ath/ath11k/Makefile
@@ -17,7 +17,8 @@ ath11k-y += core.o \
peer.o \
dbring.o \
hw.o \
- pcic.o
+ pcic.o \
+ fw.o
ath11k-$(CONFIG_ATH11K_DEBUGFS) += debugfs.o debugfs_htt_stats.o debugfs_sta.o
ath11k-$(CONFIG_NL80211_TESTMODE) += testmode.o
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index 1469ab4a2df9..0c6ecbb9a066 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -16,6 +16,7 @@
#include "debug.h"
#include "hif.h"
#include "wow.h"
+#include "fw.h"
unsigned int ath11k_debug_mask;
EXPORT_SYMBOL(ath11k_debug_mask);
@@ -2072,6 +2073,12 @@ int ath11k_core_pre_init(struct ath11k_base *ab)
return ret;
}
+ ret = ath11k_fw_pre_init(ab);
+ if (ret) {
+ ath11k_err(ab, "failed to pre init firmware: %d", ret);
+ return ret;
+ }
+
return 0;
}
EXPORT_SYMBOL(ath11k_core_pre_init);
@@ -2102,6 +2109,7 @@ void ath11k_core_deinit(struct ath11k_base *ab)
ath11k_hif_power_down(ab);
ath11k_mac_destroy(ab);
ath11k_core_soc_destroy(ab);
+ ath11k_fw_destroy(ab);
}
EXPORT_SYMBOL(ath11k_core_deinit);
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index cd40cbdd4cc1..f12b606e2d2e 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -15,6 +15,8 @@
#include <linux/ctype.h>
#include <linux/rhashtable.h>
#include <linux/average.h>
+#include <linux/firmware.h>
+
#include "qmi.h"
#include "htc.h"
#include "wmi.h"
@@ -29,6 +31,7 @@
#include "dbring.h"
#include "spectral.h"
#include "wow.h"
+#include "fw.h"
#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
@@ -981,6 +984,18 @@ struct ath11k_base {
const struct ath11k_pci_ops *ops;
} pci;
+ struct {
+ u32 api_version;
+
+ const struct firmware *fw;
+ const u8 *amss_data;
+ size_t amss_len;
+ const u8 *m3_data;
+ size_t m3_len;
+
+ DECLARE_BITMAP(fw_features, ATH11K_FW_FEATURE_COUNT);
+ } fw;
+
#ifdef CONFIG_NL80211_TESTMODE
struct {
u32 data_pos;
diff --git a/drivers/net/wireless/ath/ath11k/fw.c b/drivers/net/wireless/ath/ath11k/fw.c
new file mode 100644
index 000000000000..8f84fba29886
--- /dev/null
+++ b/drivers/net/wireless/ath/ath11k/fw.c
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "core.h"
+
+#include "debug.h"
+
+static int ath11k_fw_request_firmware_api_n(struct ath11k_base *ab,
+ const char *name)
+{
+ size_t magic_len, len, ie_len;
+ int ie_id, i, index, bit, ret;
+ struct ath11k_fw_ie *hdr;
+ const u8 *data;
+ __le32 *timestamp;
+
+ ab->fw.fw = ath11k_core_firmware_request(ab, name);
+ if (IS_ERR(ab->fw.fw)) {
+ ret = PTR_ERR(ab->fw.fw);
+ ath11k_dbg(ab, ATH11K_DBG_BOOT, "failed to load %s: %d\n", name, ret);
+ ab->fw.fw = NULL;
+ return ret;
+ }
+
+ data = ab->fw.fw->data;
+ len = ab->fw.fw->size;
+
+ /* magic also includes the null byte, check that as well */
+ magic_len = strlen(ATH11K_FIRMWARE_MAGIC) + 1;
+
+ if (len < magic_len) {
+ ath11k_err(ab, "firmware image too small to contain magic: %zu\n",
+ len);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (memcmp(data, ATH11K_FIRMWARE_MAGIC, magic_len) != 0) {
+ ath11k_err(ab, "Invalid firmware magic\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* jump over the padding */
+ magic_len = ALIGN(magic_len, 4);
+
+ /* make sure there's space for padding */
+ if (magic_len > len) {
+ ath11k_err(ab, "No space for padding after magic\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ len -= magic_len;
+ data += magic_len;
+
+ /* loop elements */
+ while (len > sizeof(struct ath11k_fw_ie)) {
+ hdr = (struct ath11k_fw_ie *)data;
+
+ ie_id = le32_to_cpu(hdr->id);
+ ie_len = le32_to_cpu(hdr->len);
+
+ len -= sizeof(*hdr);
+ data += sizeof(*hdr);
+
+ if (len < ie_len) {
+ ath11k_err(ab, "Invalid length for FW IE %d (%zu < %zu)\n",
+ ie_id, len, ie_len);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ switch (ie_id) {
+ case ATH11K_FW_IE_TIMESTAMP:
+ if (ie_len != sizeof(u32))
+ break;
+
+ timestamp = (__le32 *)data;
+
+ ath11k_dbg(ab, ATH11K_DBG_BOOT, "found fw timestamp %d\n",
+ le32_to_cpup(timestamp));
+ break;
+ case ATH11K_FW_IE_FEATURES:
+ ath11k_dbg(ab, ATH11K_DBG_BOOT,
+ "found firmware features ie (%zd B)\n",
+ ie_len);
+
+ for (i = 0; i < ATH11K_FW_FEATURE_COUNT; i++) {
+ index = i / 8;
+ bit = i % 8;
+
+ if (index == ie_len)
+ break;
+
+ if (data[index] & (1 << bit))
+ __set_bit(i, ab->fw.fw_features);
+ }
+
+ ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "features", "",
+ ab->fw.fw_features,
+ sizeof(ab->fw.fw_features));
+ break;
+ case ATH11K_FW_IE_AMSS_IMAGE:
+ ath11k_dbg(ab, ATH11K_DBG_BOOT,
+ "found fw image ie (%zd B)\n",
+ ie_len);
+
+ ab->fw.amss_data = data;
+ ab->fw.amss_len = ie_len;
+ break;
+ case ATH11K_FW_IE_M3_IMAGE:
+ ath11k_dbg(ab, ATH11K_DBG_BOOT,
+ "found m3 image ie (%zd B)\n",
+ ie_len);
+
+ ab->fw.m3_data = data;
+ ab->fw.m3_len = ie_len;
+ break;
+ default:
+ ath11k_warn(ab, "Unknown FW IE: %u\n", ie_id);
+ break;
+ }
+
+ /* jump over the padding */
+ ie_len = ALIGN(ie_len, 4);
+
+ /* make sure there's space for padding */
+ if (ie_len > len)
+ break;
+
+ len -= ie_len;
+ data += ie_len;
+ };
+
+ return 0;
+
+err:
+ release_firmware(ab->fw.fw);
+ ab->fw.fw = NULL;
+ return ret;
+}
+
+int ath11k_fw_pre_init(struct ath11k_base *ab)
+{
+ int ret;
+
+ ret = ath11k_fw_request_firmware_api_n(ab, ATH11K_FW_API2_FILE);
+ if (ret == 0) {
+ ab->fw.api_version = 2;
+ goto out;
+ }
+
+ ab->fw.api_version = 1;
+
+out:
+ ath11k_dbg(ab, ATH11K_DBG_BOOT, "using fw api %d\n",
+ ab->fw.api_version);
+
+ return 0;
+}
+
+void ath11k_fw_destroy(struct ath11k_base *ab)
+{
+ release_firmware(ab->fw.fw);
+}
diff --git a/drivers/net/wireless/ath/ath11k/fw.h b/drivers/net/wireless/ath/ath11k/fw.h
new file mode 100644
index 000000000000..d9893ceb2c3d
--- /dev/null
+++ b/drivers/net/wireless/ath/ath11k/fw.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef ATH11K_FW_H
+#define ATH11K_FW_H
+
+#define ATH11K_FW_API2_FILE "firmware-2.bin"
+#define ATH11K_FIRMWARE_MAGIC "QCOM-ATH11K-FW"
+
+enum ath11k_fw_ie_type {
+ ATH11K_FW_IE_TIMESTAMP = 0,
+ ATH11K_FW_IE_FEATURES = 1,
+ ATH11K_FW_IE_AMSS_IMAGE = 2,
+ ATH11K_FW_IE_M3_IMAGE = 3,
+};
+
+enum ath11k_fw_features {
+ /* keep last */
+ ATH11K_FW_FEATURE_COUNT,
+};
+
+int ath11k_fw_pre_init(struct ath11k_base *ab);
+void ath11k_fw_destroy(struct ath11k_base *ab);
+
+#endif /* ATH11K_FW_H */
diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index 721dd9702f95..afeabd6ecc67 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -6,6 +6,7 @@
#include <linux/msi.h>
#include <linux/pci.h>
+#include <linux/firmware.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/ioport.h>
@@ -390,16 +391,23 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci)
if (!mhi_ctrl)
return -ENOMEM;
- ath11k_core_create_firmware_path(ab, ATH11K_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;
+ 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 */
+ ath11k_core_create_firmware_path(ab, ATH11K_AMSS_FILE,
+ ab_pci->amss_path,
+ sizeof(ab_pci->amss_path));
+ mhi_ctrl->fw_image = ab_pci->amss_path;
+ }
+
ret = ath11k_mhi_get_msi(ab_pci);
if (ret) {
ath11k_err(ab, "failed to get msi for mhi\n");
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 9e46f2611c85..c270dc46d506 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2502,25 +2502,39 @@ out:
static int ath11k_qmi_m3_load(struct ath11k_base *ab)
{
struct m3_mem_region *m3_mem = &ab->qmi.m3_mem;
- const struct firmware *fw;
+ const struct firmware *fw = NULL;
+ const void *m3_data;
char path[100];
+ size_t m3_len;
int ret;
if (m3_mem->vaddr)
/* m3 firmware buffer is already available in the DMA buffer */
return 0;
- fw = ath11k_core_firmware_request(ab, ATH11K_M3_FILE);
- if (IS_ERR(fw)) {
- ret = PTR_ERR(fw);
- ath11k_core_create_firmware_path(ab, ATH11K_M3_FILE,
- path, sizeof(path));
- ath11k_err(ab, "failed to load %s: %d\n", path, ret);
- return ret;
+ if (ab->fw.m3_data && ab->fw.m3_len > 0) {
+ /* firmware-N.bin had a m3 firmware file so use that */
+ m3_data = ab->fw.m3_data;
+ m3_len = ab->fw.m3_len;
+ } else {
+ /* No m3 file in firmware-N.bin so try to request old
+ * separate m3.bin.
+ */
+ fw = ath11k_core_firmware_request(ab, ATH11K_M3_FILE);
+ if (IS_ERR(fw)) {
+ ret = PTR_ERR(fw);
+ ath11k_core_create_firmware_path(ab, ATH11K_M3_FILE,
+ path, sizeof(path));
+ ath11k_err(ab, "failed to load %s: %d\n", path, ret);
+ return ret;
+ }
+
+ m3_data = fw->data;
+ m3_len = fw->size;
}
m3_mem->vaddr = dma_alloc_coherent(ab->dev,
- fw->size, &m3_mem->paddr,
+ m3_len, &m3_mem->paddr,
GFP_KERNEL);
if (!m3_mem->vaddr) {
ath11k_err(ab, "failed to allocate memory for M3 with size %zu\n",
@@ -2529,8 +2543,8 @@ static int ath11k_qmi_m3_load(struct ath11k_base *ab)
goto out;
}
- memcpy(m3_mem->vaddr, fw->data, fw->size);
- m3_mem->size = fw->size;
+ memcpy(m3_mem->vaddr, m3_data, m3_len);
+ m3_mem->size = m3_len;
ret = 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-24 22:07:32 +0300