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Bluetooth: btusb: support download nvm with different board id for wcn6855

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we define many nvm files for wcn6855 btsoc and host driver
should find the correct nvm file based on board ID and then
download it.

Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Tim Jiang 2020-12-03 12:57:14 +08:00 committed by Johan Hedberg
parent 10c24231ab
commit ef2862a1db
1 changed files with 16 additions and 3 deletions
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19
drivers/bluetooth/btusb.c
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@ -3774,12 +3774,14 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
#define QCA_SYSCFG_UPDATED 0x40
#define QCA_PATCH_UPDATED 0x80
#define QCA_DFU_TIMEOUT 3000
#define QCA_FLAG_MULTI_NVM 0x80
struct qca_version {
__le32 rom_version;
__le32 patch_version;
__le32 ram_version;
__le32 ref_clock;
__le16 board_id;
__le16 flag;
__u8 reserved[4];
} __packed;
@ -3962,8 +3964,14 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
char fwname[64];
int err;
snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
le32_to_cpu(ver->rom_version));
if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
le32_to_cpu(ver->rom_version),
le16_to_cpu(ver->board_id));
} else {
snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
le32_to_cpu(ver->rom_version));
}
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
@ -4030,6 +4038,11 @@ static int btusb_setup_qca(struct hci_dev *hdev)
return err;
}
err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
sizeof(ver));
if (err < 0)
return err;
if (!(status & QCA_SYSCFG_UPDATED)) {
err = btusb_setup_qca_load_nvm(hdev, &ver, info);
if (err < 0)