diff options
| author | Kiran K <kiran.k@intel.com> | 2020-11-19 17:09:41 +0530 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2020-12-07 17:01:11 +0200 |
| commit | 9a93b8b8eee4ac971a1ac120a2be7a66b7fa5b68 (patch) | |
| tree | 90c2563a73e9c0fa79aff01ed0861a7f0e27b21c | |
| parent | 0a3c1d45eca09ca2fc4b84b6c42ebec7ff938df0 (diff) | |
| download | linux-9a93b8b8eee4ac971a1ac120a2be7a66b7fa5b68.tar.bz2 | |
Bluetooth: btusb: Define a function to construct firmware filename
Define a new function to construct firmware/ddc filename for new
generation Intel controllers
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
| -rw-r--r-- | drivers/bluetooth/btintel.h | 6 | ||||
| -rw-r--r-- | drivers/bluetooth/btusb.c | 17 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h index 78cc64b42b30..6511b091caf5 100644 --- a/drivers/bluetooth/btintel.h +++ b/drivers/bluetooth/btintel.h @@ -132,6 +132,12 @@ struct intel_debug_features { __u8 page1[16]; } __packed; +#define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8)) +#define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16)) +#define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff) +#define INTEL_CNVX_TOP_STEP(cnvx_top) (((cnvx_top) & 0x0f000000) >> 24) +#define INTEL_CNVX_TOP_PACK_SWAB(t, s) __swab16(((__u16)(((t) << 4) | (s)))) + #if IS_ENABLED(CONFIG_BT_INTEL) int btintel_check_bdaddr(struct hci_dev *hdev); diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 4fee7e1c8521..3864db1c6cd5 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2385,6 +2385,21 @@ static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver, return true; } +static void btusb_setup_intel_newgen_get_fw_name(const struct intel_version_tlv *ver_tlv, + char *fw_name, size_t len, + const char *suffix) +{ + /* The firmware file name for new generation controllers will be + * ibt-<cnvi_top type+cnvi_top step>-<cnvr_top type+cnvr_top step> + */ + snprintf(fw_name, len, "intel/ibt-%04x-%04x.%s", + INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver_tlv->cnvi_top), + INTEL_CNVX_TOP_STEP(ver_tlv->cnvi_top)), + INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver_tlv->cnvr_top), + INTEL_CNVX_TOP_STEP(ver_tlv->cnvr_top)), + suffix); +} + static int btusb_intel_download_firmware(struct hci_dev *hdev, struct intel_version *ver, struct intel_boot_params *params, @@ -2806,6 +2821,8 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) clear_bit(BTUSB_BOOTLOADER, &data->flags); + btusb_setup_intel_newgen_get_fw_name(&version, ddcname, sizeof(ddcname), + "ddc"); /* Once the device is running in operational mode, it needs to * apply the device configuration (DDC) parameters. * |