[linux-2.6-block.git] / drivers / bluetooth / btrtl.h

/*
 *  Bluetooth support for Realtek devices
 *
 *  Copyright (C) 2015 Endless Mobile, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 */

#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[0];
} __packed;

struct rtl_vendor_config {
	__le32 signature;
	__le16 total_len;
	struct rtl_vendor_config_entry entry[0];
} __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_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_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
db33c77d CC	1	/*
	2	* Bluetooth support for Realtek devices
	3	*
	4	* Copyright (C) 2015 Endless Mobile, Inc.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	*/
	17
	18	#define RTL_FRAG_LEN 252
	19
26503ad2 MB	20	#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
	21	#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
	22	#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
	23	#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
	24
	25	struct btrtl_device_info;
	26
db33c77d CC	27	struct rtl_download_cmd {
	28	__u8 index;
	29	__u8 data[RTL_FRAG_LEN];
	30	} __packed;
	31
	32	struct rtl_download_response {
	33	__u8 status;
	34	__u8 index;
	35	} __packed;
	36
	37	struct rtl_rom_version_evt {
	38	__u8 status;
	39	__u8 version;
	40	} __packed;
	41
	42	struct rtl_epatch_header {
	43	__u8 signature[8];
	44	__le32 fw_version;
	45	__le16 num_patches;
	46	} __packed;
	47
b85b0ee1 MB	48	struct rtl_vendor_config_entry {
	49	__le16 offset;
	50	__u8 len;
	51	__u8 data[0];
	52	} __packed;
	53
	54	struct rtl_vendor_config {
	55	__le32 signature;
	56	__le16 total_len;
	57	struct rtl_vendor_config_entry entry[0];
	58	} __packed;
	59
db33c77d CC	60	#if IS_ENABLED(CONFIG_BT_RTL)
db33c77d CC	61
1cc194ca HG	62	struct btrtl_device_info btrtl_initialize(struct hci_dev hdev,
1cc194ca HG	63	const char *postfix);
26503ad2 MB	64	void btrtl_free(struct btrtl_device_info *btrtl_dev);
	65	int btrtl_download_firmware(struct hci_dev *hdev,
	66	struct btrtl_device_info *btrtl_dev);
db33c77d	67	int btrtl_setup_realtek(struct hci_dev *hdev);
b85b0ee1 MB	68	int btrtl_get_uart_settings(struct hci_dev *hdev,
	69	struct btrtl_device_info *btrtl_dev,
	70	unsigned int *controller_baudrate,
	71	u32 device_baudrate, bool flow_control);
db33c77d CC	72
	73	#else
	74
1cc194ca HG	75	static inline struct btrtl_device_info btrtl_initialize(struct hci_dev hdev,
1cc194ca HG	76	const char *postfix)
26503ad2 MB	77	{
	78	return ERR_PTR(-EOPNOTSUPP);
	79	}
	80
	81	static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
	82	{
	83	}
	84
	85	static inline int btrtl_download_firmware(struct hci_dev *hdev,
	86	struct btrtl_device_info *btrtl_dev)
	87	{
	88	return -EOPNOTSUPP;
	89	}
	90
db33c77d CC	91	static inline int btrtl_setup_realtek(struct hci_dev *hdev)
	92	{
	93	return -EOPNOTSUPP;
	94	}
	95
b85b0ee1 MB	96	static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
	97	struct btrtl_device_info *btrtl_dev,
	98	unsigned int *controller_baudrate,
	99	u32 *device_baudrate,
	100	bool *flow_control)
	101	{
	102	return -ENOENT;
	103	}
	104
db33c77d	105	#endif