diff options
| author |   Tim Jiang <tjiang@codeaurora.org> | 2021-10-29 11:21:21 +0800 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2021-10-29 21:56:47 +0200 |
| commit | d6cba4e6d0e202276b81117b96106859a4e2d56e (patch) | |
| tree | 829acf55697788500b61609cf1daf9c058ac69b3 /drivers/bluetooth | |
| parent | Bluetooth: hci_sync: Rework hci_suspend_notifier (diff) | |
| download | linux-dev-d6cba4e6d0e202276b81117b96106859a4e2d56e.tar.xz linux-dev-d6cba4e6d0e202276b81117b96106859a4e2d56e.zip | |
Bluetooth: btusb: Add support using different nvm for variant WCN6855 controller
the RF performance of wcn6855 soc chip from different foundries will be
difference, so we should use different nvm to configure them.
Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 53 |
1 files changed, 39 insertions, 14 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 88bfdf1347a7..46d892bbde62 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2876,6 +2876,9 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, #define QCA_DFU_TIMEOUT 3000 #define QCA_FLAG_MULTI_NVM 0x80 +#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 +#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 + struct qca_version { __le32 rom_version; __le32 patch_version; @@ -2907,6 +2910,7 @@ static const struct qca_device_info qca_devices_table[] = { { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ + { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ }; static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, @@ -3061,6 +3065,40 @@ done: return err; } +static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, + const struct qca_version *ver) +{ + u32 rom_version = le32_to_cpu(ver->rom_version); + u16 flag = le16_to_cpu(ver->flag); + + if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { + u16 board_id = le16_to_cpu(ver->board_id); + const char *variant; + + switch (le32_to_cpu(ver->ram_version)) { + case WCN6855_2_0_RAM_VERSION_GF: + case WCN6855_2_1_RAM_VERSION_GF: + variant = "_gf"; + break; + default: + variant = ""; + break; + } + + if (board_id == 0) { + snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin", + rom_version, variant); + } else { + snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin", + rom_version, variant, board_id); + } + } else { + snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", + rom_version); + } + +} + static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, struct qca_version *ver, const struct qca_device_info *info) @@ -3069,20 +3107,7 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, char fwname[64]; int err; - if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { - /* if boardid equal 0, use default nvm without surfix */ - if (le16_to_cpu(ver->board_id) == 0x0) { - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", - le32_to_cpu(ver->rom_version)); - } else { - 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)); - } + btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); err = request_firmware(&fw, fwname, &hdev->dev); if (err) { |