1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 *  Bluetooth support for Realtek devices
  4 *
  5 *  Copyright (C) 2015 Endless Mobile, Inc.
  6 */
  7
  8#define RTL_FRAG_LEN 252
  9
 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
 15struct btrtl_device_info;
 16
 17struct rtl_chip_type_evt {
 18	__u8 status;
 19	__u8 type;
 20} __packed;
 21
 22struct rtl_download_cmd {
 23	__u8 index;
 24	__u8 data[RTL_FRAG_LEN];
 25} __packed;
 26
 27struct rtl_download_response {
 28	__u8 status;
 29	__u8 index;
 30} __packed;
 31
 32struct rtl_rom_version_evt {
 33	__u8 status;
 34	__u8 version;
 35} __packed;
 36
 37struct rtl_epatch_header {
 38	__u8 signature[8];
 39	__le32 fw_version;
 40	__le16 num_patches;
 41} __packed;
 42
 43struct rtl_vendor_config_entry {
 44	__le16 offset;
 45	__u8 len;
 46	__u8 data[];
 47} __packed;
 48
 49struct rtl_vendor_config {
 50	__le32 signature;
 51	__le16 total_len;
 52	__u8 entry[];
 53} __packed;
 54
 55struct rtl_epatch_header_v2 {
 56	__u8   signature[8];
 57	__u8   fw_version[8];
 58	__le32 num_sections;
 59} __packed;
 60
 61struct rtl_section {
 62	__le32 opcode;
 63	__le32 len;
 64	u8     data[];
 65} __packed;
 66
 67struct rtl_section_hdr {
 68	__le16 num;
 69	__le16 reserved;
 70} __packed;
 71
 72struct rtl_common_subsec {
 73	__u8   eco;
 74	__u8   prio;
 75	__u8   cb[2];
 76	__le32 len;
 77	__u8   data[];
 78};
 79
 80struct rtl_sec_hdr {
 81	__u8   eco;
 82	__u8   prio;
 83	__u8   key_id;
 84	__u8   reserved;
 85	__le32 len;
 86	__u8   data[];
 87} __packed;
 88
 89struct rtl_subsection {
 90	struct list_head list;
 91	u32 opcode;
 92	u32 len;
 93	u8 prio;
 94	u8 *data;
 95};
 96
 97struct rtl_iovec {
 98	u8  *data;
 99	u32 len;
100};
101
102struct rtl_vendor_cmd {
103	__u8 param[5];
104} __packed;
105
106enum {
107	REALTEK_ALT6_CONTINUOUS_TX_CHIP,
108
109	__REALTEK_NUM_FLAGS,
110};
111
112struct rtl_dump_info {
113	const char *driver_name;
114	char *controller;
115	u32  fw_version;
116};
117
118struct btrealtek_data {
119	DECLARE_BITMAP(flags, __REALTEK_NUM_FLAGS);
120
121	struct rtl_dump_info rtl_dump;
122};
123
124#define btrealtek_set_flag(hdev, nr)					\
125	do {								\
126		struct btrealtek_data *realtek = hci_get_priv((hdev));	\
127		set_bit((nr), realtek->flags);				\
128	} while (0)
129
130#define btrealtek_get_flag(hdev)					\
131	(((struct btrealtek_data *)hci_get_priv(hdev))->flags)
132
133#define btrealtek_test_flag(hdev, nr)	test_bit((nr), btrealtek_get_flag(hdev))
134
135#if IS_ENABLED(CONFIG_BT_RTL)
136
137struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
138					   const char *postfix);
139void btrtl_free(struct btrtl_device_info *btrtl_dev);
140int btrtl_download_firmware(struct hci_dev *hdev,
141			    struct btrtl_device_info *btrtl_dev);
142void btrtl_set_quirks(struct hci_dev *hdev,
143		      struct btrtl_device_info *btrtl_dev);
144int btrtl_setup_realtek(struct hci_dev *hdev);
145int btrtl_shutdown_realtek(struct hci_dev *hdev);
146int btrtl_get_uart_settings(struct hci_dev *hdev,
147			    struct btrtl_device_info *btrtl_dev,
148			    unsigned int *controller_baudrate,
149			    u32 *device_baudrate, bool *flow_control);
150void btrtl_set_driver_name(struct hci_dev *hdev, const char *driver_name);
151
152#else
153
154static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
155							 const char *postfix)
156{
157	return ERR_PTR(-EOPNOTSUPP);
158}
159
160static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
161{
162}
163
164static inline int btrtl_download_firmware(struct hci_dev *hdev,
165					  struct btrtl_device_info *btrtl_dev)
166{
167	return -EOPNOTSUPP;
168}
169
170static inline void btrtl_set_quirks(struct hci_dev *hdev,
171				    struct btrtl_device_info *btrtl_dev)
172{
173}
174
175static inline int btrtl_setup_realtek(struct hci_dev *hdev)
176{
177	return -EOPNOTSUPP;
178}
179
180static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
181{
182	return -EOPNOTSUPP;
183}
184
185static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
186					  struct btrtl_device_info *btrtl_dev,
187					  unsigned int *controller_baudrate,
188					  u32 *device_baudrate,
189					  bool *flow_control)
190{
191	return -ENOENT;
192}
193
194static inline void btrtl_set_driver_name(struct hci_dev *hdev, const char *driver_name)
195{
196}
197
198#endif