linux-stable/drivers/bluetooth/btrtl.h
Hilda Wu 044014ce85 Bluetooth: btrtl: Add Realtek devcoredump support
Catch debug exception from controller and driver, and trigger a
devcoredump using hci devcoredump APIs. The debug exception data
will be parsed in userspace.

Signed-off-by: Alex Lu <alex_lu@realsil.com.cn>
Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-08-11 11:35:14 -07:00

198 lines
4 KiB
C

/* 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