From: Tim Jiang <tjiang@xxxxxxxxxxxxxx> we have variant wcn6855 soc chip from different foundries, so we should use different nvm file with suffix to distinguish them. Signed-off-by: Tim Jiang <tjiang@xxxxxxxxxxxxxx> --- drivers/bluetooth/btusb.c | 57 +++++++++++++++++++++++++++++++++++++---------- 1 file changed, 45 insertions(+), 12 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 60d2fce59a71..ad7734f8917c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3141,6 +3141,9 @@ 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; @@ -3172,6 +3175,7 @@ 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, @@ -3326,27 +3330,56 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, return err; } -static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, - struct qca_version *ver, - const struct qca_device_info *info) +static void btusb_generate_qca_nvm_name(char **fwname, + int max_size, + struct qca_version *ver, + char *foundry) { - const struct firmware *fw; - char fwname[64]; - int err; + char *separator; + u16 board_id; + u32 rom_version; + + separator = (foundry == NULL) ? "" : "_"; + board_id = le16_to_cpu(ver->board_id); + rom_version = le32_to_cpu(ver->rom_version); 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)); + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s.bin", + rom_version, + separator, + foundry); } else { - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin", - le32_to_cpu(ver->rom_version), - le16_to_cpu(ver->board_id)); + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s%04x.bin", + rom_version, + separator, + foundry, + board_id); } } else { snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", - le32_to_cpu(ver->rom_version)); + rom_version); + } + +} + +static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, + struct qca_version *ver, + const struct qca_device_info *info) +{ + const struct firmware *fw; + char fwname[64]; + int err; + + switch (ver->ram_version) { + case WCN6855_2_0_RAM_VERSION_GF: + case WCN6855_2_1_RAM_VERSION_GF: + btusb_generate_qca_nvm_name(&fwname, sizeof(fwname), ver, "gf"); + break; + default: + btusb_generate_qca_nvm_name(&fwname, sizeof(fwname), ver, NULL); + break; } err = request_firmware(&fw, fwname, &hdev->dev); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project