Define a new function to construct firmware/ddc filename for new
generation Intel controllers
Signed-off-by: Kiran K <kiran.k@xxxxxxxxx>
Reviewed-by: Chethan T N <chethan.tumkur.narayan@xxxxxxxxx>
---
drivers/bluetooth/btintel.h | 6 ++++++
drivers/bluetooth/btusb.c | 19 +++++++++++++++++--
2 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 09346ae..c4e28a8 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 2e40885..ac532dd 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2360,6 +2360,21 @@ 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,
@@ -2783,8 +2798,8 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
clear_bit(BTUSB_BOOTLOADER, &data->flags);
- /* TODO: Insert function call here to get the ddc file name */
-
+ 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.
*
--
2.7.4
