v4.19.13 snapshot.
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
new file mode 100644
index 0000000..0c01f37
--- /dev/null
+++ b/drivers/bluetooth/btqca.h
@@ -0,0 +1,162 @@
+/*
+ * Bluetooth supports for Qualcomm Atheros ROME chips
+ *
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#define EDL_PATCH_CMD_OPCODE (0xFC00)
+#define EDL_NVM_ACCESS_OPCODE (0xFC0B)
+#define EDL_PATCH_CMD_LEN (1)
+#define EDL_PATCH_VER_REQ_CMD (0x19)
+#define EDL_PATCH_TLV_REQ_CMD (0x1E)
+#define EDL_NVM_ACCESS_SET_REQ_CMD (0x01)
+#define MAX_SIZE_PER_TLV_SEGMENT (243)
+
+#define EDL_CMD_REQ_RES_EVT (0x00)
+#define EDL_PATCH_VER_RES_EVT (0x19)
+#define EDL_APP_VER_RES_EVT (0x02)
+#define EDL_TVL_DNLD_RES_EVT (0x04)
+#define EDL_CMD_EXE_STATUS_EVT (0x00)
+#define EDL_SET_BAUDRATE_RSP_EVT (0x92)
+#define EDL_NVM_ACCESS_CODE_EVT (0x0B)
+
+#define EDL_TAG_ID_HCI (17)
+#define EDL_TAG_ID_DEEP_SLEEP (27)
+
+#define QCA_WCN3990_POWERON_PULSE 0xFC
+#define QCA_WCN3990_POWEROFF_PULSE 0xC0
+
+enum qca_bardrate {
+ QCA_BAUDRATE_115200 = 0,
+ QCA_BAUDRATE_57600,
+ QCA_BAUDRATE_38400,
+ QCA_BAUDRATE_19200,
+ QCA_BAUDRATE_9600,
+ QCA_BAUDRATE_230400,
+ QCA_BAUDRATE_250000,
+ QCA_BAUDRATE_460800,
+ QCA_BAUDRATE_500000,
+ QCA_BAUDRATE_720000,
+ QCA_BAUDRATE_921600,
+ QCA_BAUDRATE_1000000,
+ QCA_BAUDRATE_1250000,
+ QCA_BAUDRATE_2000000,
+ QCA_BAUDRATE_3000000,
+ QCA_BAUDRATE_4000000,
+ QCA_BAUDRATE_1600000,
+ QCA_BAUDRATE_3200000,
+ QCA_BAUDRATE_3500000,
+ QCA_BAUDRATE_AUTO = 0xFE,
+ QCA_BAUDRATE_RESERVED
+};
+
+enum rome_tlv_dnld_mode {
+ ROME_SKIP_EVT_NONE,
+ ROME_SKIP_EVT_VSE,
+ ROME_SKIP_EVT_CC,
+ ROME_SKIP_EVT_VSE_CC
+};
+
+enum rome_tlv_type {
+ TLV_TYPE_PATCH = 1,
+ TLV_TYPE_NVM
+};
+
+struct rome_config {
+ u8 type;
+ char fwname[64];
+ uint8_t user_baud_rate;
+ enum rome_tlv_dnld_mode dnld_mode;
+};
+
+struct edl_event_hdr {
+ __u8 cresp;
+ __u8 rtype;
+ __u8 data[0];
+} __packed;
+
+struct rome_version {
+ __le32 product_id;
+ __le16 patch_ver;
+ __le16 rome_ver;
+ __le32 soc_id;
+} __packed;
+
+struct tlv_seg_resp {
+ __u8 result;
+} __packed;
+
+struct tlv_type_patch {
+ __le32 total_size;
+ __le32 data_length;
+ __u8 format_version;
+ __u8 signature;
+ __u8 download_mode;
+ __u8 reserved1;
+ __le16 product_id;
+ __le16 rom_build;
+ __le16 patch_version;
+ __le16 reserved2;
+ __le32 entry;
+} __packed;
+
+struct tlv_type_nvm {
+ __le16 tag_id;
+ __le16 tag_len;
+ __le32 reserve1;
+ __le32 reserve2;
+ __u8 data[0];
+} __packed;
+
+struct tlv_type_hdr {
+ __le32 type_len;
+ __u8 data[0];
+} __packed;
+
+enum qca_btsoc_type {
+ QCA_INVALID = -1,
+ QCA_AR3002,
+ QCA_ROME,
+ QCA_WCN3990
+};
+
+#if IS_ENABLED(CONFIG_BT_QCA)
+
+int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+ enum qca_btsoc_type soc_type, u32 soc_ver);
+int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
+
+#else
+
+static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+ enum qca_btsoc_type soc_type, u32 soc_ver)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif