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23e88450bb
Several recent patches added static stubs to btmtk.h without the inline
keyword, which causes instances of -Wunused-function when those stubs
are not used anywhere in a file that includes the header:
In file included from drivers/bluetooth/btusb.c:28:
drivers/bluetooth/btmtk.h:254:13: warning: 'btmtk_fw_get_filename' defined but not used [-Wunused-function]
254 | static void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id,
| ^~~~~~~~~~~~~~~~~~~~~
drivers/bluetooth/btmtk.h:249:12: warning: 'btmtk_process_coredump' defined but not used [-Wunused-function]
249 | static int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/bluetooth/btmtk.h:243:12: warning: 'btmtk_register_coredump' defined but not used [-Wunused-function]
243 | static int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/bluetooth/btmtk.h:233:12: warning: 'btmtk_setup_firmware' defined but not used [-Wunused-function]
233 | static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
| ^~~~~~~~~~~~~~~~~~~~
drivers/bluetooth/btmtk.h:227:12: warning: 'btmtk_setup_firmware_79xx' defined but not used [-Wunused-function]
227 | static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
Add inline to all the stubs in btmtk.h (even ones that do not currently
have any warnings associated with them) to ensure there are never unused
function warnings from these stubs, as is customary for the kernel.
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
298 lines
6.3 KiB
C
298 lines
6.3 KiB
C
/* SPDX-License-Identifier: ISC */
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/* Copyright (C) 2021 MediaTek Inc. */
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#define FIRMWARE_MT7622 "mediatek/mt7622pr2h.bin"
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#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
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#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
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#define FIRMWARE_MT7922 "mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin"
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#define FIRMWARE_MT7961 "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
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#define FIRMWARE_MT7925 "mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin"
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#define HCI_EV_WMT 0xe4
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#define HCI_WMT_MAX_EVENT_SIZE 64
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#define BTMTK_WMT_REG_WRITE 0x1
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#define BTMTK_WMT_REG_READ 0x2
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#define MT7921_BTSYS_RST 0x70002610
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#define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
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#define MT7921_PINMUX_0 0x70005050
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#define MT7921_PINMUX_1 0x70005054
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#define MT7921_DLSTATUS 0x7c053c10
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#define BT_DL_STATE BIT(1)
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#define MTK_COREDUMP_SIZE (1024 * 1000)
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#define MTK_COREDUMP_END "coredump end"
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#define MTK_COREDUMP_END_LEN (sizeof(MTK_COREDUMP_END))
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#define MTK_COREDUMP_NUM 255
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/* UHW CR mapping */
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#define MTK_BT_MISC 0x70002510
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#define MTK_BT_SUBSYS_RST 0x70002610
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#define MTK_UDMA_INT_STA_BT 0x74000024
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#define MTK_UDMA_INT_STA_BT1 0x74000308
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#define MTK_BT_WDT_STATUS 0x740003A0
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#define MTK_EP_RST_OPT 0x74011890
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#define MTK_EP_RST_IN_OUT_OPT 0x00010001
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#define MTK_BT_RST_DONE 0x00000100
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#define MTK_BT_RESET_REG_CONNV3 0x70028610
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#define MTK_BT_READ_DEV_ID 0x70010200
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/* MediaTek ISO Interface */
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#define MTK_ISO_IFNUM 2
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enum {
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BTMTK_WMT_PATCH_DWNLD = 0x1,
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BTMTK_WMT_TEST = 0x2,
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BTMTK_WMT_WAKEUP = 0x3,
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BTMTK_WMT_HIF = 0x4,
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BTMTK_WMT_FUNC_CTRL = 0x6,
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BTMTK_WMT_RST = 0x7,
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BTMTK_WMT_REGISTER = 0x8,
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BTMTK_WMT_SEMAPHORE = 0x17,
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};
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enum {
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BTMTK_WMT_INVALID,
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BTMTK_WMT_PATCH_UNDONE,
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BTMTK_WMT_PATCH_PROGRESS,
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BTMTK_WMT_PATCH_DONE,
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BTMTK_WMT_ON_UNDONE,
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BTMTK_WMT_ON_DONE,
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BTMTK_WMT_ON_PROGRESS,
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};
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struct btmtk_wmt_hdr {
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u8 dir;
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u8 op;
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__le16 dlen;
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u8 flag;
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} __packed;
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struct btmtk_hci_wmt_cmd {
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struct btmtk_wmt_hdr hdr;
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u8 data[];
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} __packed;
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struct btmtk_hci_wmt_evt {
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struct hci_event_hdr hhdr;
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struct btmtk_wmt_hdr whdr;
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} __packed;
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struct btmtk_hci_wmt_evt_funcc {
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struct btmtk_hci_wmt_evt hwhdr;
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__be16 status;
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} __packed;
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struct btmtk_hci_wmt_evt_reg {
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struct btmtk_hci_wmt_evt hwhdr;
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u8 rsv[2];
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u8 num;
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__le32 addr;
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__le32 val;
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} __packed;
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struct btmtk_tci_sleep {
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u8 mode;
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__le16 duration;
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__le16 host_duration;
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u8 host_wakeup_pin;
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u8 time_compensation;
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} __packed;
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struct btmtk_wakeon {
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u8 mode;
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u8 gpo;
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u8 active_high;
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__le16 enable_delay;
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__le16 wakeup_delay;
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} __packed;
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struct btmtk_sco {
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u8 clock_config;
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u8 transmit_format_config;
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u8 channel_format_config;
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u8 channel_select_config;
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} __packed;
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struct reg_read_cmd {
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u8 type;
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u8 rsv;
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u8 num;
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__le32 addr;
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} __packed;
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struct reg_write_cmd {
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u8 type;
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u8 rsv;
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u8 num;
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__le32 addr;
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__le32 data;
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__le32 mask;
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} __packed;
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struct btmtk_hci_wmt_params {
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u8 op;
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u8 flag;
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u16 dlen;
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const void *data;
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u32 *status;
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};
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enum {
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BTMTK_TX_WAIT_VND_EVT,
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BTMTK_FIRMWARE_LOADED,
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BTMTK_HW_RESET_ACTIVE,
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BTMTK_ISOPKT_OVER_INTR,
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BTMTK_ISOPKT_RUNNING,
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};
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typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
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struct btmtk_coredump_info {
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const char *driver_name;
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u32 fw_version;
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u16 cnt;
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int state;
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};
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struct btmtk_data {
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const char *drv_name;
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unsigned long flags;
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u32 dev_id;
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btmtk_reset_sync_func_t reset_sync;
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struct btmtk_coredump_info cd_info;
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struct usb_device *udev;
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struct usb_interface *intf;
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struct usb_anchor *ctrl_anchor;
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struct sk_buff *evt_skb;
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struct usb_endpoint_descriptor *isopkt_tx_ep;
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struct usb_endpoint_descriptor *isopkt_rx_ep;
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struct usb_interface *isopkt_intf;
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struct usb_anchor isopkt_anchor;
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struct sk_buff *isopkt_skb;
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/* spinlock for ISO data transmission */
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spinlock_t isorxlock;
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};
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typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
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struct btmtk_hci_wmt_params *);
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#if IS_ENABLED(CONFIG_BT_MTK)
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int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
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int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
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wmt_cmd_sync_func_t wmt_cmd_sync);
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int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
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wmt_cmd_sync_func_t wmt_cmd_sync);
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void btmtk_reset_sync(struct hci_dev *hdev);
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int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
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u32 fw_version);
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int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
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void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
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u32 fw_flavor);
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int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id);
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int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb);
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struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
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usb_complete_t tx_complete);
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int btmtk_usb_resume(struct hci_dev *hdev);
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int btmtk_usb_suspend(struct hci_dev *hdev);
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int btmtk_usb_setup(struct hci_dev *hdev);
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int btmtk_usb_shutdown(struct hci_dev *hdev);
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#else
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static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
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const bdaddr_t *bdaddr)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_setup_firmware_79xx(struct hci_dev *hdev,
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const char *fwname,
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wmt_cmd_sync_func_t wmt_cmd_sync)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
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wmt_cmd_sync_func_t wmt_cmd_sync)
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{
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return -EOPNOTSUPP;
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}
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static inline void btmtk_reset_sync(struct hci_dev *hdev)
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{
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}
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static inline int btmtk_register_coredump(struct hci_dev *hdev,
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const char *name, u32 fw_version)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_process_coredump(struct hci_dev *hdev,
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struct sk_buff *skb)
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{
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return -EOPNOTSUPP;
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}
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static inline void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id,
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u32 fw_ver, u32 fw_flavor)
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{
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}
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static inline int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
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{
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return -EOPNOTSUPP;
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}
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static inline struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev,
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struct sk_buff *skb,
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usb_complete_t tx_complete)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline int btmtk_usb_resume(struct hci_dev *hdev)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_usb_suspend(struct hci_dev *hdev)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_usb_setup(struct hci_dev *hdev)
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{
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return -EOPNOTSUPP;
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}
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static inline int btmtk_usb_shutdown(struct hci_dev *hdev)
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{
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return -EOPNOTSUPP;
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}
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#endif
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