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path: root/drivers/bluetooth/btqca.c
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Diffstat (limited to 'drivers/bluetooth/btqca.c')
-rw-r--r--drivers/bluetooth/btqca.c944
1 files changed, 792 insertions, 152 deletions
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 28afd5d585f9..7c958d6065be 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -1,105 +1,204 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Bluetooth supports for Qualcomm Atheros chips
*
* Copyright (c) 2015 The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/module.h>
#include <linux/firmware.h>
+#include <linux/vmalloc.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include "btqca.h"
-#define VERSION "0.1"
-
-static int rome_patch_ver_req(struct hci_dev *hdev, u32 *rome_version)
+int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
+ enum qca_btsoc_type soc_type)
{
struct sk_buff *skb;
struct edl_event_hdr *edl;
- struct rome_version *ver;
char cmd;
int err = 0;
+ u8 event_type = HCI_EV_VENDOR;
+ u8 rlen = sizeof(*edl) + sizeof(*ver);
+ u8 rtype = EDL_APP_VER_RES_EVT;
- BT_DBG("%s: ROME Patch Version Request", hdev->name);
+ bt_dev_dbg(hdev, "QCA Version Request");
+
+ /* Unlike other SoC's sending version command response as payload to
+ * VSE event. WCN3991 sends version command response as a payload to
+ * command complete event.
+ */
+ if (soc_type >= QCA_WCN3991) {
+ event_type = 0;
+ rlen += 1;
+ rtype = EDL_PATCH_VER_REQ_CMD;
+ }
cmd = EDL_PATCH_VER_REQ_CMD;
skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
- &cmd, HCI_VENDOR_PKT, HCI_INIT_TIMEOUT);
+ &cmd, event_type, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
- BT_ERR("%s: Failed to read version of ROME (%d)", hdev->name,
- err);
+ bt_dev_err(hdev, "Reading QCA version information failed (%d)",
+ err);
return err;
}
- if (skb->len != sizeof(*edl) + sizeof(*ver)) {
- BT_ERR("%s: Version size mismatch len %d", hdev->name,
- skb->len);
+ if (skb->len != rlen) {
+ bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
err = -EILSEQ;
goto out;
}
edl = (struct edl_event_hdr *)(skb->data);
- if (!edl) {
- BT_ERR("%s: TLV with no header", hdev->name);
+
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
+ edl->rtype != rtype) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+
+ if (soc_type >= QCA_WCN3991)
+ memcpy(ver, edl->data + 1, sizeof(*ver));
+ else
+ memcpy(ver, &edl->data, sizeof(*ver));
+
+ bt_dev_info(hdev, "QCA Product ID :0x%08x",
+ le32_to_cpu(ver->product_id));
+ bt_dev_info(hdev, "QCA SOC Version :0x%08x",
+ le32_to_cpu(ver->soc_id));
+ bt_dev_info(hdev, "QCA ROM Version :0x%08x",
+ le16_to_cpu(ver->rom_ver));
+ bt_dev_info(hdev, "QCA Patch Version:0x%08x",
+ le16_to_cpu(ver->patch_ver));
+
+ if (ver->soc_id == 0 || ver->rom_ver == 0)
+ err = -EILSEQ;
+
+out:
+ kfree_skb(skb);
+ if (err)
+ bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(qca_read_soc_version);
+
+static int qca_read_fw_build_info(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ char *build_label;
+ char cmd;
+ int build_lbl_len, err = 0;
+
+ bt_dev_dbg(hdev, "QCA read fw build info");
+
+ cmd = EDL_GET_BUILD_INFO_CMD;
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
+ &cmd, 0, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",
+ err);
+ return err;
+ }
+
+ if (skb->len < sizeof(*edl)) {
err = -EILSEQ;
goto out;
}
+ edl = (struct edl_event_hdr *)(skb->data);
+
if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
- edl->rtype != EDL_APP_VER_RES_EVT) {
- BT_ERR("%s: Wrong packet received %d %d", hdev->name,
- edl->cresp, edl->rtype);
+ edl->rtype != EDL_GET_BUILD_INFO_CMD) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
err = -EIO;
goto out;
}
- ver = (struct rome_version *)(edl->data);
+ if (skb->len < sizeof(*edl) + 1) {
+ err = -EILSEQ;
+ goto out;
+ }
- BT_DBG("%s: Product:0x%08x", hdev->name, le32_to_cpu(ver->product_id));
- BT_DBG("%s: Patch :0x%08x", hdev->name, le16_to_cpu(ver->patch_ver));
- BT_DBG("%s: ROM :0x%08x", hdev->name, le16_to_cpu(ver->rome_ver));
- BT_DBG("%s: SOC :0x%08x", hdev->name, le32_to_cpu(ver->soc_id));
+ build_lbl_len = edl->data[0];
- /* ROME chipset version can be decided by patch and SoC
- * version, combination with upper 2 bytes from SoC
- * and lower 2 bytes from patch will be used.
- */
- *rome_version = (le32_to_cpu(ver->soc_id) << 16) |
- (le16_to_cpu(ver->rome_ver) & 0x0000ffff);
+ if (skb->len < sizeof(*edl) + 1 + build_lbl_len) {
+ err = -EILSEQ;
+ goto out;
+ }
+
+ build_label = kstrndup(&edl->data[1], build_lbl_len, GFP_KERNEL);
+ if (!build_label) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ hci_set_fw_info(hdev, "%s", build_label);
+ kfree(build_label);
out:
kfree_skb(skb);
+ return err;
+}
+
+static int qca_send_patch_config_cmd(struct hci_dev *hdev)
+{
+ const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 };
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ int err;
+
+ bt_dev_dbg(hdev, "QCA Patch config");
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd),
+ cmd, 0, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err);
+ return err;
+ }
+
+ if (skb->len != 2) {
+ bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len);
+ err = -EILSEQ;
+ goto out;
+ }
+
+ edl = (struct edl_event_hdr *)(skb->data);
+
+ if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+ err = 0;
+
+out:
+ kfree_skb(skb);
return err;
}
-static int rome_reset(struct hci_dev *hdev)
+static int qca_send_reset(struct hci_dev *hdev)
{
struct sk_buff *skb;
int err;
- BT_DBG("%s: ROME HCI_RESET", hdev->name);
+ bt_dev_dbg(hdev, "QCA HCI_RESET");
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
- BT_ERR("%s: Reset failed (%d)", hdev->name, err);
+ bt_dev_err(hdev, "QCA Reset failed (%d)", err);
return err;
}
@@ -108,8 +207,108 @@ static int rome_reset(struct hci_dev *hdev)
return 0;
}
-static void rome_tlv_check_data(struct rome_config *config,
- const struct firmware *fw)
+static int qca_read_fw_board_id(struct hci_dev *hdev, u16 *bid)
+{
+ u8 cmd;
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ int err = 0;
+
+ cmd = EDL_GET_BID_REQ_CMD;
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
+ &cmd, 0, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Reading QCA board ID failed (%d)", err);
+ return err;
+ }
+
+ edl = skb_pull_data(skb, sizeof(*edl));
+ if (!edl) {
+ bt_dev_err(hdev, "QCA read board ID with no header");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
+ edl->rtype != EDL_GET_BID_REQ_CMD) {
+ bt_dev_err(hdev, "QCA Wrong packet: %d %d", edl->cresp, edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+
+ if (skb->len < 3) {
+ err = -EILSEQ;
+ goto out;
+ }
+
+ *bid = (edl->data[1] << 8) + edl->data[2];
+ bt_dev_dbg(hdev, "%s: bid = %x", __func__, *bid);
+
+out:
+ kfree_skb(skb);
+ return err;
+}
+
+int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err;
+
+ bt_dev_dbg(hdev, "QCA pre shutdown cmd");
+
+ skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
+ NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
+
+static bool qca_filename_has_extension(const char *filename)
+{
+ const char *suffix = strrchr(filename, '.');
+
+ /* File extensions require a dot, but not as the first or last character */
+ if (!suffix || suffix == filename || *(suffix + 1) == '\0')
+ return 0;
+
+ /* Avoid matching directories with names that look like files with extensions */
+ return !strchr(suffix, '/');
+}
+
+static bool qca_get_alt_nvm_file(char *filename, size_t max_size)
+{
+ char fwname[64];
+ const char *suffix;
+
+ /* nvm file name has an extension, replace with .bin */
+ if (qca_filename_has_extension(filename)) {
+ suffix = strrchr(filename, '.');
+ strscpy(fwname, filename, suffix - filename + 1);
+ snprintf(fwname + (suffix - filename),
+ sizeof(fwname) - (suffix - filename), ".bin");
+ /* If nvm file is already the default one, return false to skip the retry. */
+ if (strcmp(fwname, filename) == 0)
+ return false;
+
+ snprintf(filename, max_size, "%s", fwname);
+ return true;
+ }
+ return false;
+}
+
+static int qca_tlv_check_data(struct hci_dev *hdev,
+ struct qca_fw_config *config,
+ u8 *fw_data, size_t fw_size,
+ enum qca_btsoc_type soc_type)
{
const u8 *data;
u32 type_len;
@@ -118,52 +317,125 @@ static void rome_tlv_check_data(struct rome_config *config,
struct tlv_type_hdr *tlv;
struct tlv_type_patch *tlv_patch;
struct tlv_type_nvm *tlv_nvm;
+ uint8_t nvm_baud_rate = config->user_baud_rate;
+ u8 type;
- tlv = (struct tlv_type_hdr *)fw->data;
+ config->dnld_mode = QCA_SKIP_EVT_NONE;
+ config->dnld_type = QCA_SKIP_EVT_NONE;
- type_len = le32_to_cpu(tlv->type_len);
- length = (type_len >> 8) & 0x00ffffff;
+ switch (config->type) {
+ case ELF_TYPE_PATCH:
+ if (fw_size < 7)
+ return -EINVAL;
- BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
- BT_DBG("Length\t\t : %d bytes", length);
+ config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
+ config->dnld_type = QCA_SKIP_EVT_VSE_CC;
- switch (config->type) {
+ bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]);
+ bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]);
+ bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]);
+ break;
case TLV_TYPE_PATCH:
+ if (fw_size < sizeof(struct tlv_type_hdr) + sizeof(struct tlv_type_patch))
+ return -EINVAL;
+
+ tlv = (struct tlv_type_hdr *)fw_data;
+ type_len = le32_to_cpu(tlv->type_len);
tlv_patch = (struct tlv_type_patch *)tlv->data;
- BT_DBG("Total Length\t\t : %d bytes",
+
+ /* For Rome version 1.1 to 3.1, all segment commands
+ * are acked by a vendor specific event (VSE).
+ * For Rome >= 3.2, the download mode field indicates
+ * if VSE is skipped by the controller.
+ * In case VSE is skipped, only the last segment is acked.
+ */
+ config->dnld_mode = tlv_patch->download_mode;
+ config->dnld_type = config->dnld_mode;
+
+ BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
+ BT_DBG("Total Length : %d bytes",
le32_to_cpu(tlv_patch->total_size));
- BT_DBG("Patch Data Length\t : %d bytes",
+ BT_DBG("Patch Data Length : %d bytes",
le32_to_cpu(tlv_patch->data_length));
BT_DBG("Signing Format Version : 0x%x",
tlv_patch->format_version);
- BT_DBG("Signature Algorithm\t : 0x%x",
+ BT_DBG("Signature Algorithm : 0x%x",
tlv_patch->signature);
- BT_DBG("Reserved\t\t : 0x%x",
- le16_to_cpu(tlv_patch->reserved1));
- BT_DBG("Product ID\t\t : 0x%04x",
+ BT_DBG("Download mode : 0x%x",
+ tlv_patch->download_mode);
+ BT_DBG("Reserved : 0x%x",
+ tlv_patch->reserved1);
+ BT_DBG("Product ID : 0x%04x",
le16_to_cpu(tlv_patch->product_id));
- BT_DBG("Rom Build Version\t : 0x%04x",
+ BT_DBG("Rom Build Version : 0x%04x",
le16_to_cpu(tlv_patch->rom_build));
- BT_DBG("Patch Version\t\t : 0x%04x",
+ BT_DBG("Patch Version : 0x%04x",
le16_to_cpu(tlv_patch->patch_version));
- BT_DBG("Reserved\t\t : 0x%x",
+ BT_DBG("Reserved : 0x%x",
le16_to_cpu(tlv_patch->reserved2));
- BT_DBG("Patch Entry Address\t : 0x%x",
+ BT_DBG("Patch Entry Address : 0x%x",
le32_to_cpu(tlv_patch->entry));
break;
case TLV_TYPE_NVM:
+ if (fw_size < sizeof(struct tlv_type_hdr))
+ return -EINVAL;
+
+ tlv = (struct tlv_type_hdr *)fw_data;
+
+ type_len = le32_to_cpu(tlv->type_len);
+ length = type_len >> 8;
+ type = type_len & 0xff;
+
+ /* Some NVM files have more than one set of tags, only parse
+ * the first set when it has type 2 for now. When there is
+ * more than one set there is an enclosing header of type 4.
+ */
+ if (type == 4) {
+ if (fw_size < 2 * sizeof(struct tlv_type_hdr))
+ return -EINVAL;
+
+ tlv++;
+
+ type_len = le32_to_cpu(tlv->type_len);
+ length = type_len >> 8;
+ type = type_len & 0xff;
+ }
+
+ BT_DBG("TLV Type\t\t : 0x%x", type);
+ BT_DBG("Length\t\t : %d bytes", length);
+
+ if (type != 2)
+ break;
+
+ if (fw_size < length + (tlv->data - fw_data))
+ return -EINVAL;
+
idx = 0;
data = tlv->data;
- while (idx < length) {
+ while (idx < length - sizeof(struct tlv_type_nvm)) {
tlv_nvm = (struct tlv_type_nvm *)(data + idx);
tag_id = le16_to_cpu(tlv_nvm->tag_id);
tag_len = le16_to_cpu(tlv_nvm->tag_len);
+ if (length < idx + sizeof(struct tlv_type_nvm) + tag_len)
+ return -EINVAL;
+
/* Update NVM tags as needed */
switch (tag_id) {
+ case EDL_TAG_ID_BD_ADDR:
+ if (tag_len != sizeof(bdaddr_t))
+ return -EINVAL;
+
+ memcpy(&config->bdaddr, tlv_nvm->data, sizeof(bdaddr_t));
+
+ break;
+
case EDL_TAG_ID_HCI:
+ if (tag_len < 3)
+ return -EINVAL;
+
/* HCI transport layer parameters
* enabling software inband sleep
* onto controller side.
@@ -171,11 +443,17 @@ static void rome_tlv_check_data(struct rome_config *config,
tlv_nvm->data[0] |= 0x80;
/* UART Baud Rate */
- tlv_nvm->data[2] = config->user_baud_rate;
+ if (soc_type >= QCA_WCN3991)
+ tlv_nvm->data[1] = nvm_baud_rate;
+ else
+ tlv_nvm->data[2] = nvm_baud_rate;
break;
case EDL_TAG_ID_DEEP_SLEEP:
+ if (tag_len < 1)
+ return -EINVAL;
+
/* Sleep enable mask
* enabling deep sleep feature on controller.
*/
@@ -184,59 +462,78 @@ static void rome_tlv_check_data(struct rome_config *config,
break;
}
- idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
+ idx += sizeof(struct tlv_type_nvm) + tag_len;
}
break;
default:
BT_ERR("Unknown TLV type %d", config->type);
- break;
+ return -EINVAL;
}
+
+ return 0;
}
-static int rome_tlv_send_segment(struct hci_dev *hdev, int idx, int seg_size,
- const u8 *data)
+static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
+ const u8 *data, enum qca_tlv_dnld_mode mode,
+ enum qca_btsoc_type soc_type)
{
struct sk_buff *skb;
struct edl_event_hdr *edl;
struct tlv_seg_resp *tlv_resp;
u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
int err = 0;
-
- BT_DBG("%s: Download segment #%d size %d", hdev->name, idx, seg_size);
+ u8 event_type = HCI_EV_VENDOR;
+ u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
+ u8 rtype = EDL_TVL_DNLD_RES_EVT;
cmd[0] = EDL_PATCH_TLV_REQ_CMD;
cmd[1] = seg_size;
memcpy(cmd + 2, data, seg_size);
+ if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
+ return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
+ cmd);
+
+ /* Unlike other SoC's sending version command response as payload to
+ * VSE event. WCN3991 sends version command response as a payload to
+ * command complete event.
+ */
+ if (soc_type >= QCA_WCN3991) {
+ event_type = 0;
+ rlen = sizeof(*edl);
+ rtype = EDL_PATCH_TLV_REQ_CMD;
+ }
+
skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
- HCI_VENDOR_PKT, HCI_INIT_TIMEOUT);
+ event_type, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
- BT_ERR("%s: Failed to send TLV segment (%d)", hdev->name, err);
+ bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
return err;
}
- if (skb->len != sizeof(*edl) + sizeof(*tlv_resp)) {
- BT_ERR("%s: TLV response size mismatch", hdev->name);
+ if (skb->len != rlen) {
+ bt_dev_err(hdev, "QCA TLV response size mismatch");
err = -EILSEQ;
goto out;
}
edl = (struct edl_event_hdr *)(skb->data);
- if (!edl) {
- BT_ERR("%s: TLV with no header", hdev->name);
- err = -EILSEQ;
- goto out;
+
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
+ bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
+ edl->cresp, edl->rtype);
+ err = -EIO;
}
- tlv_resp = (struct tlv_seg_resp *)(edl->data);
+ if (soc_type >= QCA_WCN3991)
+ goto out;
- if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
- edl->rtype != EDL_TVL_DNLD_RES_EVT || tlv_resp->result != 0x00) {
- BT_ERR("%s: TLV with error stat 0x%x rtype 0x%x (0x%x)",
- hdev->name, edl->cresp, edl->rtype, tlv_resp->result);
- err = -EIO;
+ tlv_resp = (struct tlv_seg_resp *)(edl->data);
+ if (tlv_resp->result) {
+ bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
+ edl->cresp, edl->rtype, tlv_resp->result);
}
out:
@@ -245,70 +542,154 @@ out:
return err;
}
-static int rome_tlv_download_request(struct hci_dev *hdev,
- const struct firmware *fw)
+static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
{
- const u8 *buffer, *data;
- int total_segment, remain_size;
- int ret, i;
+ struct hci_event_hdr *hdr;
+ struct hci_ev_cmd_complete *evt;
+ struct sk_buff *skb;
- if (!fw || !fw->data)
- return -EINVAL;
+ skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
- total_segment = fw->size / MAX_SIZE_PER_TLV_SEGMENT;
- remain_size = fw->size % MAX_SIZE_PER_TLV_SEGMENT;
+ hdr = skb_put(skb, sizeof(*hdr));
+ hdr->evt = HCI_EV_CMD_COMPLETE;
+ hdr->plen = sizeof(*evt) + 1;
- BT_DBG("%s: Total segment num %d remain size %d total size %zu",
- hdev->name, total_segment, remain_size, fw->size);
+ evt = skb_put(skb, sizeof(*evt));
+ evt->ncmd = 1;
+ evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
- data = fw->data;
- for (i = 0; i < total_segment; i++) {
- buffer = data + i * MAX_SIZE_PER_TLV_SEGMENT;
- ret = rome_tlv_send_segment(hdev, i, MAX_SIZE_PER_TLV_SEGMENT,
- buffer);
- if (ret < 0)
- return -EIO;
- }
+ skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
- if (remain_size) {
- buffer = data + total_segment * MAX_SIZE_PER_TLV_SEGMENT;
- ret = rome_tlv_send_segment(hdev, total_segment, remain_size,
- buffer);
- if (ret < 0)
- return -EIO;
- }
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
- return 0;
+ return hci_recv_frame(hdev, skb);
}
-static int rome_download_firmware(struct hci_dev *hdev,
- struct rome_config *config)
+static int qca_download_firmware(struct hci_dev *hdev,
+ struct qca_fw_config *config,
+ enum qca_btsoc_type soc_type,
+ u8 rom_ver)
{
const struct firmware *fw;
- int ret;
+ u8 *data;
+ const u8 *segment;
+ int ret, size, remain, i = 0;
- BT_INFO("%s: ROME Downloading %s", hdev->name, config->fwname);
+ bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
ret = request_firmware(&fw, config->fwname, &hdev->dev);
if (ret) {
- BT_ERR("%s: Failed to request file: %s (%d)", hdev->name,
- config->fwname, ret);
- return ret;
+ /* For WCN6750, if mbn file is not present then check for
+ * tlv file.
+ */
+ if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
+ bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ config->type = TLV_TYPE_PATCH;
+ snprintf(config->fwname, sizeof(config->fwname),
+ "qca/msbtfw%02x.tlv", rom_ver);
+ bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
+ ret = request_firmware(&fw, config->fwname, &hdev->dev);
+ if (ret) {
+ bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ return ret;
+ }
+ }
+ /* If the board-specific file is missing, try loading the default
+ * one, unless that was attempted already.
+ */
+ else if (config->type == TLV_TYPE_NVM &&
+ qca_get_alt_nvm_file(config->fwname, sizeof(config->fwname))) {
+ bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
+ ret = request_firmware(&fw, config->fwname, &hdev->dev);
+ if (ret) {
+ bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ return ret;
+ }
+ } else {
+ bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ return ret;
+ }
}
- rome_tlv_check_data(config, fw);
-
- ret = rome_tlv_download_request(hdev, fw);
- if (ret) {
- BT_ERR("%s: Failed to download file: %s (%d)", hdev->name,
- config->fwname, ret);
+ size = fw->size;
+ data = vmalloc(fw->size);
+ if (!data) {
+ bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
+ config->fwname);
+ release_firmware(fw);
+ return -ENOMEM;
}
+ memcpy(data, fw->data, size);
release_firmware(fw);
+ ret = qca_tlv_check_data(hdev, config, data, size, soc_type);
+ if (ret)
+ goto out;
+
+ segment = data;
+ remain = size;
+ while (remain > 0) {
+ int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
+
+ bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
+
+ remain -= segsize;
+ /* The last segment is always acked regardless download mode */
+ if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
+ config->dnld_mode = QCA_SKIP_EVT_NONE;
+
+ ret = qca_tlv_send_segment(hdev, segsize, segment,
+ config->dnld_mode, soc_type);
+ if (ret)
+ goto out;
+
+ segment += segsize;
+ }
+
+ /* Latest qualcomm chipsets are not sending a command complete event
+ * for every fw packet sent. They only respond with a vendor specific
+ * event for the last packet. This optimization in the chip will
+ * decrease the BT in initialization time. Here we will inject a command
+ * complete event to avoid a command timeout error message.
+ */
+ if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
+ config->dnld_type == QCA_SKIP_EVT_VSE)
+ ret = qca_inject_cmd_complete_event(hdev);
+
+out:
+ vfree(data);
+
return ret;
}
+static int qca_disable_soc_logging(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ u8 cmd[2];
+ int err;
+
+ cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
+ cmd[1] = 0x00;
+ skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+
int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
struct sk_buff *skb;
@@ -320,11 +701,10 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
cmd[2] = sizeof(bdaddr_t); /* size */
memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
- HCI_VENDOR_PKT, HCI_INIT_TIMEOUT);
+ HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
- BT_ERR("%s: Change address command failed (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
return err;
}
@@ -334,59 +714,319 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
-int qca_uart_setup_rome(struct hci_dev *hdev, uint8_t baudrate)
+static int qca_check_bdaddr(struct hci_dev *hdev, const struct qca_fw_config *config)
{
- u32 rome_ver = 0;
- struct rome_config config;
+ struct hci_rp_read_bd_addr *bda;
+ struct sk_buff *skb;
int err;
- BT_DBG("%s: ROME setup on UART", hdev->name);
+ if (bacmp(&hdev->public_addr, BDADDR_ANY))
+ return 0;
- config.user_baud_rate = baudrate;
-
- /* Get ROME version information */
- err = rome_patch_ver_req(hdev, &rome_ver);
- if (err < 0 || rome_ver == 0) {
- BT_ERR("%s: Failed to get version 0x%x", hdev->name, err);
+ skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to read device address (%d)", err);
return err;
}
- BT_INFO("%s: ROME controller version 0x%08x", hdev->name, rome_ver);
+ if (skb->len != sizeof(*bda)) {
+ bt_dev_err(hdev, "Device address length mismatch");
+ kfree_skb(skb);
+ return -EIO;
+ }
+
+ bda = (struct hci_rp_read_bd_addr *)skb->data;
+ if (!bacmp(&bda->bdaddr, &config->bdaddr))
+ hci_set_quirk(hdev, HCI_QUIRK_USE_BDADDR_PROPERTY);
+
+ kfree_skb(skb);
+
+ return 0;
+}
+
+static void qca_get_nvm_name_by_board(char *fwname, size_t max_size,
+ const char *stem, enum qca_btsoc_type soc_type,
+ struct qca_btsoc_version ver, u8 rom_ver, u16 bid)
+{
+ const char *variant;
+ const char *prefix;
+
+ /* Set the default value to variant and prefix */
+ variant = "";
+ prefix = "b";
+
+ if (soc_type == QCA_QCA2066)
+ prefix = "";
+
+ if (soc_type == QCA_WCN6855 || soc_type == QCA_QCA2066) {
+ /* If the chip is manufactured by GlobalFoundries */
+ if ((le32_to_cpu(ver.soc_id) & QCA_HSP_GF_SOC_MASK) == QCA_HSP_GF_SOC_ID)
+ variant = "g";
+ }
+
+ if (rom_ver != 0) {
+ if (bid == 0x0 || bid == 0xffff)
+ snprintf(fwname, max_size, "qca/%s%02x%s.bin", stem, rom_ver, variant);
+ else
+ snprintf(fwname, max_size, "qca/%s%02x%s.%s%02x", stem, rom_ver,
+ variant, prefix, bid);
+ } else {
+ if (bid == 0x0 || bid == 0xffff)
+ snprintf(fwname, max_size, "qca/%s%s.bin", stem, variant);
+ else
+ snprintf(fwname, max_size, "qca/%s%s.%s%02x", stem, variant, prefix, bid);
+ }
+}
+
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+ enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
+ const char *firmware_name, const char *rampatch_name)
+{
+ struct qca_fw_config config = {};
+ const char *variant = "";
+ int err;
+ u8 rom_ver = 0;
+ u32 soc_ver;
+ u16 boardid = 0;
+
+ bt_dev_dbg(hdev, "QCA setup on UART");
+
+ soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
+
+ bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
+
+ config.user_baud_rate = baudrate;
+
+ /* Firmware files to download are based on ROM version.
+ * ROM version is derived from last two bytes of soc_ver.
+ */
+ if (soc_type == QCA_WCN3988)
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f);
+ else
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
+
+ if (soc_type == QCA_WCN6750)
+ qca_send_patch_config_cmd(hdev);
/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
- snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin",
- rome_ver);
- err = rome_download_firmware(hdev, &config);
+ if (rampatch_name) {
+ snprintf(config.fwname, sizeof(config.fwname), "qca/%s", rampatch_name);
+ } else {
+ switch (soc_type) {
+ case QCA_WCN3950:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/cmbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/crbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN3988:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/apbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_QCA2066:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hpbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_QCA6390:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN6750:
+ /* Choose mbn file by default.If mbn file is not found
+ * then choose tlv file
+ */
+ config.type = ELF_TYPE_PATCH;
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/msbtfw%02x.mbn", rom_ver);
+ break;
+ case QCA_WCN6855:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hpbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN7850:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hmtbtfw%02x.tlv", rom_ver);
+ break;
+ default:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/rampatch_%08x.bin", soc_ver);
+ }
+ }
+
+ err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
if (err < 0) {
- BT_ERR("%s: Failed to download patch (%d)", hdev->name, err);
+ bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
return err;
}
+ /* Give the controller some time to get ready to receive the NVM */
+ msleep(10);
+
+ if (soc_type == QCA_QCA2066 || soc_type == QCA_WCN7850)
+ qca_read_fw_board_id(hdev, &boardid);
+
/* Download NVM configuration */
config.type = TLV_TYPE_NVM;
- snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin",
- rome_ver);
- err = rome_download_firmware(hdev, &config);
+ if (firmware_name) {
+ /* The firmware name has an extension, use it directly */
+ if (qca_filename_has_extension(firmware_name)) {
+ snprintf(config.fwname, sizeof(config.fwname), "qca/%s", firmware_name);
+ } else {
+ qca_read_fw_board_id(hdev, &boardid);
+ qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
+ firmware_name, soc_type, ver, 0, boardid);
+ }
+ } else {
+ switch (soc_type) {
+ case QCA_WCN3950:
+ if (le32_to_cpu(ver.soc_id) == QCA_WCN3950_SOC_ID_T)
+ variant = "t";
+ else if (le32_to_cpu(ver.soc_id) == QCA_WCN3950_SOC_ID_S)
+ variant = "s";
+
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/cmnv%02x%s.bin", rom_ver, variant);
+ break;
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID)
+ variant = "u";
+
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/crnv%02x%s.bin", rom_ver, variant);
+ break;
+ case QCA_WCN3988:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/apnv%02x.bin", rom_ver);
+ break;
+ case QCA_QCA2066:
+ qca_get_nvm_name_by_board(config.fwname,
+ sizeof(config.fwname), "hpnv", soc_type, ver,
+ rom_ver, boardid);
+ break;
+ case QCA_QCA6390:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htnv%02x.bin", rom_ver);
+ break;
+ case QCA_WCN6750:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/msnv%02x.bin", rom_ver);
+ break;
+ case QCA_WCN6855:
+ qca_read_fw_board_id(hdev, &boardid);
+ qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
+ "hpnv", soc_type, ver, rom_ver, boardid);
+ break;
+ case QCA_WCN7850:
+ qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
+ "hmtnv", soc_type, ver, rom_ver, boardid);
+ break;
+ default:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/nvm_%08x.bin", soc_ver);
+ }
+ }
+
+ err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
if (err < 0) {
- BT_ERR("%s: Failed to download NVM (%d)", hdev->name, err);
+ bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
return err;
}
+ switch (soc_type) {
+ case QCA_WCN3991:
+ case QCA_QCA2066:
+ case QCA_QCA6390:
+ case QCA_WCN6750:
+ case QCA_WCN6855:
+ case QCA_WCN7850:
+ err = qca_disable_soc_logging(hdev);
+ if (err < 0)
+ return err;
+ break;
+ default:
+ break;
+ }
+
+ /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
+ * VsMsftOpCode.
+ */
+ switch (soc_type) {
+ case QCA_WCN3950:
+ case QCA_WCN3988:
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ case QCA_WCN6750:
+ hci_set_msft_opcode(hdev, 0xFD70);
+ break;
+ default:
+ break;
+ }
+
/* Perform HCI reset */
- err = rome_reset(hdev);
+ err = qca_send_reset(hdev);
if (err < 0) {
- BT_ERR("%s: Failed to run HCI_RESET (%d)", hdev->name, err);
+ bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
return err;
}
- BT_INFO("%s: ROME setup on UART is completed", hdev->name);
+ switch (soc_type) {
+ case QCA_WCN3991:
+ case QCA_WCN6750:
+ case QCA_WCN6855:
+ case QCA_WCN7850:
+ /* get fw build info */
+ err = qca_read_fw_build_info(hdev);
+ if (err < 0)
+ return err;
+ break;
+ default:
+ break;
+ }
+
+ err = qca_check_bdaddr(hdev, &config);
+ if (err)
+ return err;
+
+ bt_dev_info(hdev, "QCA setup on UART is completed");
return 0;
}
-EXPORT_SYMBOL_GPL(qca_uart_setup_rome);
+EXPORT_SYMBOL_GPL(qca_uart_setup);
+
+int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ bdaddr_t bdaddr_swapped;
+ struct sk_buff *skb;
+ int err;
+
+ baswap(&bdaddr_swapped, bdaddr);
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6,
+ &bdaddr_swapped, HCI_EV_VENDOR,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_set_bdaddr);
+
MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
-MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
-MODULE_VERSION(VERSION);
+MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family");
MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-25 15:56:42 +0000