diff options
Diffstat (limited to 'drivers/bluetooth/btrtl.h')
| -rw-r--r-- | drivers/bluetooth/btrtl.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h new file mode 100644 index 0000000000..a2d9d34f9f --- /dev/null +++ b/drivers/bluetooth/btrtl.h @@ -0,0 +1,198 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Bluetooth support for Realtek devices + * + * Copyright (C) 2015 Endless Mobile, Inc. + */ + +#define RTL_FRAG_LEN 252 + +#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__) +#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__) +#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__) +#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__) + +struct btrtl_device_info; + +struct rtl_chip_type_evt { + __u8 status; + __u8 type; +} __packed; + +struct rtl_download_cmd { + __u8 index; + __u8 data[RTL_FRAG_LEN]; +} __packed; + +struct rtl_download_response { + __u8 status; + __u8 index; +} __packed; + +struct rtl_rom_version_evt { + __u8 status; + __u8 version; +} __packed; + +struct rtl_epatch_header { + __u8 signature[8]; + __le32 fw_version; + __le16 num_patches; +} __packed; + +struct rtl_vendor_config_entry { + __le16 offset; + __u8 len; + __u8 data[]; +} __packed; + +struct rtl_vendor_config { + __le32 signature; + __le16 total_len; + __u8 entry[]; +} __packed; + +struct rtl_epatch_header_v2 { + __u8 signature[8]; + __u8 fw_version[8]; + __le32 num_sections; +} __packed; + +struct rtl_section { + __le32 opcode; + __le32 len; + u8 data[]; +} __packed; + +struct rtl_section_hdr { + __le16 num; + __le16 reserved; +} __packed; + +struct rtl_common_subsec { + __u8 eco; + __u8 prio; + __u8 cb[2]; + __le32 len; + __u8 data[]; +}; + +struct rtl_sec_hdr { + __u8 eco; + __u8 prio; + __u8 key_id; + __u8 reserved; + __le32 len; + __u8 data[]; +} __packed; + +struct rtl_subsection { + struct list_head list; + u32 opcode; + u32 len; + u8 prio; + u8 *data; +}; + +struct rtl_iovec { + u8 *data; + u32 len; +}; + +struct rtl_vendor_cmd { + __u8 param[5]; +} __packed; + +enum { + REALTEK_ALT6_CONTINUOUS_TX_CHIP, + + __REALTEK_NUM_FLAGS, +}; + +struct rtl_dump_info { + const char *driver_name; + char *controller; + u32 fw_version; +}; + +struct btrealtek_data { + DECLARE_BITMAP(flags, __REALTEK_NUM_FLAGS); + + struct rtl_dump_info rtl_dump; +}; + +#define btrealtek_set_flag(hdev, nr) \ + do { \ + struct btrealtek_data *realtek = hci_get_priv((hdev)); \ + set_bit((nr), realtek->flags); \ + } while (0) + +#define btrealtek_get_flag(hdev) \ + (((struct btrealtek_data *)hci_get_priv(hdev))->flags) + +#define btrealtek_test_flag(hdev, nr) test_bit((nr), btrealtek_get_flag(hdev)) + +#if IS_ENABLED(CONFIG_BT_RTL) + +struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, + const char *postfix); +void btrtl_free(struct btrtl_device_info *btrtl_dev); +int btrtl_download_firmware(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev); +void btrtl_set_quirks(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev); +int btrtl_setup_realtek(struct hci_dev *hdev); +int btrtl_shutdown_realtek(struct hci_dev *hdev); +int btrtl_get_uart_settings(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev, + unsigned int *controller_baudrate, + u32 *device_baudrate, bool *flow_control); +void btrtl_set_driver_name(struct hci_dev *hdev, const char *driver_name); + +#else + +static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, + const char *postfix) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline void btrtl_free(struct btrtl_device_info *btrtl_dev) +{ +} + +static inline int btrtl_download_firmware(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev) +{ + return -EOPNOTSUPP; +} + +static inline void btrtl_set_quirks(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev) +{ +} + +static inline int btrtl_setup_realtek(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} + +static inline int btrtl_shutdown_realtek(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} + +static inline int btrtl_get_uart_settings(struct hci_dev *hdev, + struct btrtl_device_info *btrtl_dev, + unsigned int *controller_baudrate, + u32 *device_baudrate, + bool *flow_control) +{ + return -ENOENT; +} + +static inline void btrtl_set_driver_name(struct hci_dev *hdev, const char *driver_name) +{ +} + +#endif |