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Wed, 14 Oct 2020 05:28:59 -0700 (PDT) From: Kiran K X-Google-Original-From: Kiran K To: linux-bluetooth@vger.kernel.org Cc: sathish.narasimman@intel.com, chethan.tumkur.narayan@intel.com, ravishankar.srivatsa@intel.com, kiraank@gmail.com, Kiran K Subject: [PATCH v7 2/4] Bluetooth: btusb: Define a function to construct firmware filename Date: Wed, 14 Oct 2020 17:58:35 +0530 Message-Id: <1602678517-9912-2-git-send-email-kiran.k@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1602678517-9912-1-git-send-email-kiran.k@intel.com> References: <1602678517-9912-1-git-send-email-kiran.k@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Define a new function to construct firmware/ddc filename for new generation Intel controllers Signed-off-by: Kiran K Reviewed-by: Chethan T N --- 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-- + */ + 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