[mirror_ubuntu-hirsute-kernel.git] / drivers / bluetooth / btrtl.h

/* 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_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;
	struct rtl_vendor_config_entry entry[];
} __packed;

#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);
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);

#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 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;
}

#endif
Commit	Line	Data
c942fddf	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
db33c77d CC	2	/*
	3	* Bluetooth support for Realtek devices
	4	*
	5	* Copyright (C) 2015 Endless Mobile, Inc.
db33c77d CC	6	*/
	7
	8	#define RTL_FRAG_LEN 252
	9
26503ad2 MB	10	#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
	11	#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
	12	#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
	13	#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
	14
	15	struct btrtl_device_info;
	16
db33c77d CC	17	struct rtl_download_cmd {
	18	__u8 index;
	19	__u8 data[RTL_FRAG_LEN];
	20	} __packed;
	21
	22	struct rtl_download_response {
	23	__u8 status;
	24	__u8 index;
	25	} __packed;
	26
	27	struct rtl_rom_version_evt {
	28	__u8 status;
	29	__u8 version;
	30	} __packed;
	31
	32	struct rtl_epatch_header {
	33	__u8 signature[8];
	34	__le32 fw_version;
	35	__le16 num_patches;
	36	} __packed;
	37
b85b0ee1 MB	38	struct rtl_vendor_config_entry {
	39	__le16 offset;
	40	__u8 len;
a7e45454	41	__u8 data[];
b85b0ee1 MB	42	} __packed;
	43
	44	struct rtl_vendor_config {
	45	__le32 signature;
	46	__le16 total_len;
a7e45454	47	struct rtl_vendor_config_entry entry[];
b85b0ee1 MB	48	} __packed;
b85b0ee1 MB	49
db33c77d CC	50	#if IS_ENABLED(CONFIG_BT_RTL)
db33c77d CC	51
1cc194ca HG	52	struct btrtl_device_info btrtl_initialize(struct hci_dev hdev,
1cc194ca HG	53	const char *postfix);
26503ad2 MB	54	void btrtl_free(struct btrtl_device_info *btrtl_dev);
	55	int btrtl_download_firmware(struct hci_dev *hdev,
	56	struct btrtl_device_info *btrtl_dev);
db33c77d	57	int btrtl_setup_realtek(struct hci_dev *hdev);
7af3f558	58	int btrtl_shutdown_realtek(struct hci_dev *hdev);
b85b0ee1 MB	59	int btrtl_get_uart_settings(struct hci_dev *hdev,
	60	struct btrtl_device_info *btrtl_dev,
	61	unsigned int *controller_baudrate,
	62	u32 device_baudrate, bool flow_control);
db33c77d CC	63
	64	#else
	65
1cc194ca HG	66	static inline struct btrtl_device_info btrtl_initialize(struct hci_dev hdev,
1cc194ca HG	67	const char *postfix)
26503ad2 MB	68	{
	69	return ERR_PTR(-EOPNOTSUPP);
	70	}
	71
	72	static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
	73	{
	74	}
	75
	76	static inline int btrtl_download_firmware(struct hci_dev *hdev,
	77	struct btrtl_device_info *btrtl_dev)
	78	{
	79	return -EOPNOTSUPP;
	80	}
	81
db33c77d CC	82	static inline int btrtl_setup_realtek(struct hci_dev *hdev)
	83	{
	84	return -EOPNOTSUPP;
	85	}
	86
7af3f558 JHP	87	static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
	88	{
	89	return -EOPNOTSUPP;
	90	}
	91
b85b0ee1 MB	92	static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
	93	struct btrtl_device_info *btrtl_dev,
	94	unsigned int *controller_baudrate,
	95	u32 *device_baudrate,
	96	bool *flow_control)
	97	{
	98	return -ENOENT;
	99	}
	100
db33c77d	101	#endif