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Bluetooth: btusb: Define a function to construct firmware filename

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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>
This commit is contained in:
Kiran K 2020-11-19 17:09:41 +05:30 committed by Johan Hedberg
parent 0a3c1d45ec
commit 9a93b8b8ee
2 changed files with 23 additions and 0 deletions
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6
drivers/bluetooth/btintel.h
View file

@ -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);

17
drivers/bluetooth/btusb.c
View file

@ -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.
*