diff options
Diffstat (limited to 'drivers/bluetooth/btmtk.h')
| -rw-r--r-- | drivers/bluetooth/btmtk.h | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h new file mode 100644 index 000000000000..5df7c3296624 --- /dev/null +++ b/drivers/bluetooth/btmtk.h @@ -0,0 +1,297 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (C) 2021 MediaTek Inc. */ + +#define FIRMWARE_MT7622 "mediatek/mt7622pr2h.bin" +#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin" +#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin" +#define FIRMWARE_MT7922 "mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin" +#define FIRMWARE_MT7961 "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin" +#define FIRMWARE_MT7925 "mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin" + +#define HCI_EV_WMT 0xe4 +#define HCI_WMT_MAX_EVENT_SIZE 64 + +#define BTMTK_WMT_REG_WRITE 0x1 +#define BTMTK_WMT_REG_READ 0x2 + +#define MT7921_BTSYS_RST 0x70002610 +#define MT7921_BTSYS_RST_WITH_GPIO BIT(7) + +#define MT7921_PINMUX_0 0x70005050 +#define MT7921_PINMUX_1 0x70005054 + +#define MT7921_DLSTATUS 0x7c053c10 +#define BT_DL_STATE BIT(1) + +#define MTK_COREDUMP_SIZE (1024 * 1000) +#define MTK_COREDUMP_END "coredump end" +#define MTK_COREDUMP_END_LEN (sizeof(MTK_COREDUMP_END)) +#define MTK_COREDUMP_NUM 255 + +/* UHW CR mapping */ +#define MTK_BT_MISC 0x70002510 +#define MTK_BT_SUBSYS_RST 0x70002610 +#define MTK_UDMA_INT_STA_BT 0x74000024 +#define MTK_UDMA_INT_STA_BT1 0x74000308 +#define MTK_BT_WDT_STATUS 0x740003A0 +#define MTK_EP_RST_OPT 0x74011890 +#define MTK_EP_RST_IN_OUT_OPT 0x00010001 +#define MTK_BT_RST_DONE 0x00000100 +#define MTK_BT_RESET_REG_CONNV3 0x70028610 +#define MTK_BT_READ_DEV_ID 0x70010200 + +/* MediaTek ISO Interface */ +#define MTK_ISO_IFNUM 2 + +enum { + BTMTK_WMT_PATCH_DWNLD = 0x1, + BTMTK_WMT_TEST = 0x2, + BTMTK_WMT_WAKEUP = 0x3, + BTMTK_WMT_HIF = 0x4, + BTMTK_WMT_FUNC_CTRL = 0x6, + BTMTK_WMT_RST = 0x7, + BTMTK_WMT_REGISTER = 0x8, + BTMTK_WMT_SEMAPHORE = 0x17, +}; + +enum { + BTMTK_WMT_INVALID, + BTMTK_WMT_PATCH_UNDONE, + BTMTK_WMT_PATCH_PROGRESS, + BTMTK_WMT_PATCH_DONE, + BTMTK_WMT_ON_UNDONE, + BTMTK_WMT_ON_DONE, + BTMTK_WMT_ON_PROGRESS, +}; + +struct btmtk_wmt_hdr { + u8 dir; + u8 op; + __le16 dlen; + u8 flag; +} __packed; + +struct btmtk_hci_wmt_cmd { + struct btmtk_wmt_hdr hdr; + u8 data[]; +} __packed; + +struct btmtk_hci_wmt_evt { + struct hci_event_hdr hhdr; + struct btmtk_wmt_hdr whdr; +} __packed; + +struct btmtk_hci_wmt_evt_funcc { + struct btmtk_hci_wmt_evt hwhdr; + __be16 status; +} __packed; + +struct btmtk_hci_wmt_evt_reg { + struct btmtk_hci_wmt_evt hwhdr; + u8 rsv[2]; + u8 num; + __le32 addr; + __le32 val; +} __packed; + +struct btmtk_tci_sleep { + u8 mode; + __le16 duration; + __le16 host_duration; + u8 host_wakeup_pin; + u8 time_compensation; +} __packed; + +struct btmtk_wakeon { + u8 mode; + u8 gpo; + u8 active_high; + __le16 enable_delay; + __le16 wakeup_delay; +} __packed; + +struct btmtk_sco { + u8 clock_config; + u8 transmit_format_config; + u8 channel_format_config; + u8 channel_select_config; +} __packed; + +struct reg_read_cmd { + u8 type; + u8 rsv; + u8 num; + __le32 addr; +} __packed; + +struct reg_write_cmd { + u8 type; + u8 rsv; + u8 num; + __le32 addr; + __le32 data; + __le32 mask; +} __packed; + +struct btmtk_hci_wmt_params { + u8 op; + u8 flag; + u16 dlen; + const void *data; + u32 *status; +}; + +enum { + BTMTK_TX_WAIT_VND_EVT, + BTMTK_FIRMWARE_LOADED, + BTMTK_HW_RESET_ACTIVE, + BTMTK_ISOPKT_OVER_INTR, + BTMTK_ISOPKT_RUNNING, +}; + +typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *); + +struct btmtk_coredump_info { + const char *driver_name; + u32 fw_version; + u16 cnt; + int state; +}; + +struct btmtk_data { + const char *drv_name; + unsigned long flags; + u32 dev_id; + btmtk_reset_sync_func_t reset_sync; + struct btmtk_coredump_info cd_info; + + struct usb_device *udev; + struct usb_interface *intf; + struct usb_anchor *ctrl_anchor; + struct sk_buff *evt_skb; + struct usb_endpoint_descriptor *isopkt_tx_ep; + struct usb_endpoint_descriptor *isopkt_rx_ep; + struct usb_interface *isopkt_intf; + struct usb_anchor isopkt_anchor; + struct sk_buff *isopkt_skb; + + /* spinlock for ISO data transmission */ + spinlock_t isorxlock; +}; + +typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *, + struct btmtk_hci_wmt_params *); + +#if IS_ENABLED(CONFIG_BT_MTK) + +int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr); + +int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname, + wmt_cmd_sync_func_t wmt_cmd_sync); + +int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname, + wmt_cmd_sync_func_t wmt_cmd_sync); + +void btmtk_reset_sync(struct hci_dev *hdev); + +int btmtk_register_coredump(struct hci_dev *hdev, const char *name, + u32 fw_version); + +int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb); + +void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver, + u32 fw_flavor); + +int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id); + +int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb); + +struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb, + usb_complete_t tx_complete); + +int btmtk_usb_resume(struct hci_dev *hdev); + +int btmtk_usb_suspend(struct hci_dev *hdev); + +int btmtk_usb_setup(struct hci_dev *hdev); + +int btmtk_usb_shutdown(struct hci_dev *hdev); +#else + +static inline int btmtk_set_bdaddr(struct hci_dev *hdev, + const bdaddr_t *bdaddr) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_setup_firmware_79xx(struct hci_dev *hdev, + const char *fwname, + wmt_cmd_sync_func_t wmt_cmd_sync) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname, + wmt_cmd_sync_func_t wmt_cmd_sync) +{ + return -EOPNOTSUPP; +} + +static inline void btmtk_reset_sync(struct hci_dev *hdev) +{ +} + +static inline int btmtk_register_coredump(struct hci_dev *hdev, + const char *name, u32 fw_version) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_process_coredump(struct hci_dev *hdev, + struct sk_buff *skb) +{ + return -EOPNOTSUPP; +} + +static inline void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, + u32 fw_ver, u32 fw_flavor) +{ +} + +static inline int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb) +{ + return -EOPNOTSUPP; +} + +static inline struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, + struct sk_buff *skb, + usb_complete_t tx_complete) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline int btmtk_usb_resume(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_usb_suspend(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_usb_setup(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} + +static inline int btmtk_usb_shutdown(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} +#endif |