// SPDX-License-Identifier: GPL-2.0-only
/*
* Bluetooth supports for Qualcomm Atheros chips
*
* Copyright (c) 2015 The Linux Foundation. All rights reserved.
*/
#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"
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;
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_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, event_type, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
bt_dev_err(hdev, "Reading QCA version information failed (%d)",
err);
return err;
}
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->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_GET_BUILD_INFO_CMD) {
bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
edl->rtype);
err = -EIO;
goto out;
}
if (skb->len < sizeof(*edl) + 1) {
err = -EILSEQ;
goto out;
}
build_lbl_len = edl->data[0];
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);
bt_dev_info(hdev, "QCA FW build version: %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 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;
u16 tag_id, tag_len;
int idx, length;
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;
config->dnld_mode = QCA_SKIP_EVT_NONE;
config->dnld_type = QCA_SKIP_EVT_NONE;
switch (config->type) {
case ELF_TYPE_PATCH:
if (fw_size < 7)
return -EINVAL;
config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
config->dnld_type = QCA_SKIP_EVT_VSE_CC;
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;
/* 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 : %d bytes",
le32_to_cpu(tlv_patch->data_length));
BT_DBG("Signing Format Version : 0x%x",
tlv_patch->format_version);
BT_DBG("Signature Algorithm : 0x%x",
tlv_patch->signature);
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 : 0x%04x",
le16_to_cpu(tlv_patch->rom_build));
BT_DBG("Patch Version : 0x%04x",
le16_to_cpu(tlv_patch->patch_version));
BT_DBG("Reserved : 0x%x",
le16_to_cpu(tlv_patch->reserved2));
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 + sizeof(struct tlv_type_nvm) <= length) {
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.
*/
tlv_nvm->data[0] |= 0x80;
/* UART 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.
*/
tlv_nvm->data[0] |= 0x01;
break;
}
idx += sizeof(struct tlv_type_nvm) + tag_len;
}
break;
default:
BT_ERR("Unknown TLV type %d", config->type);
return -EINVAL;
}
return 0;
}
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;
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,
event_type, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
return err;
}
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->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;
}
if (soc_type >= QCA_WCN3991)
goto out;
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:
kfree_skb(skb);
return err;
}
static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
{
struct hci_event_hdr *hdr;
struct hci_ev_cmd_complete *evt;
struct sk_buff *skb;
skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
if (!skb)
return -ENOMEM;
hdr = skb_put(skb, sizeof(*hdr));
hdr->evt = HCI_EV_CMD_COMPLETE;
hdr->plen = sizeof(*evt) + 1;
evt = skb_put(skb, sizeof(*evt));
evt->ncmd = 1;
evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
return hci_recv_frame(hdev, skb);
}
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;
u8 *data;
const u8 *segment;
int ret, size, remain, i = 0;
bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
ret = request_firmware(&fw, config->fwname, &hdev->dev);
if (ret) {
/* If the board-specific file is missing, try loading the default
* one, unless that was attempted already.
*/
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;
}
}
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;
u8 cmd[9];
int err;
cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
cmd[1] = 0x02; /* TAG ID */
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_EV_VENDOR, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
return err;
}
kfree_skb(skb);
return 0;
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
static int qca_check_bdaddr(struct hci_dev *hdev, const struct qca_fw_config *config)
{
struct hci_rp_read_bd_addr *bda;
struct sk_buff *skb;
int err;
if (bacmp(&hdev->public_addr, BDADDR_ANY))
return 0;
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;
}
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 if (soc_type == QCA_WCN3998)
rom_ver = ((soc_ver & 0x0000f000) >> 0x07) | (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;
if (rampatch_name) {
snprintf(config.fwname, sizeof(config.fwname), "qca/%s", rampatch_name);
} else {
switch (soc_type) {
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_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_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:
/* Due to historical reasons, WCN685x chip has been using firmware
* without the "wcn" prefix. The mapping between the chip and its
* corresponding firmware has now been corrected.
*/
snprintf(config.fwname, sizeof(config.fwname),
"qca/wcnhpbtfw%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);
/* For WCN6750, if mbn file is not present then check for
* tlv file.
*/
if (err < 0 && soc_type == QCA_WCN6750) {
bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
config.fwname, err);
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);
err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
} else if (err < 0 && !rampatch_name && soc_type == QCA_WCN6855) {
snprintf(config.fwname, sizeof(config.fwname),
"qca/hpbtfw%02x.tlv", rom_ver);
err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
}
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
config.fwname, 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;
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_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_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_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),
"wcnhpnv", 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 && !firmware_name && soc_type == QCA_WCN6855) {
qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
"hpnv", soc_type, ver, rom_ver, boardid);
err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
}
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
config.fwname, err);
return err;
}
switch (soc_type) {
case QCA_QCA2066:
case QCA_QCA6390:
case QCA_WCN3991:
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 = __hci_reset_sync(hdev);
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
return err;
}
bt_dev_dbg(hdev, "QCA HCI_RESET succeed");
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);
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, 0, 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");
MODULE_LICENSE("GPL");
