xref: /linux/drivers/bluetooth/btmtk.h (revision 6e7fd890f1d6ac83805409e9c346240de2705584)
1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2021 MediaTek Inc. */
3 
4 #define FIRMWARE_MT7622		"mediatek/mt7622pr2h.bin"
5 #define FIRMWARE_MT7663		"mediatek/mt7663pr2h.bin"
6 #define FIRMWARE_MT7668		"mediatek/mt7668pr2h.bin"
7 #define FIRMWARE_MT7922		"mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin"
8 #define FIRMWARE_MT7961		"mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
9 #define FIRMWARE_MT7925		"mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin"
10 
11 #define HCI_EV_WMT 0xe4
12 #define HCI_WMT_MAX_EVENT_SIZE		64
13 
14 #define BTMTK_WMT_REG_WRITE 0x1
15 #define BTMTK_WMT_REG_READ 0x2
16 
17 #define MT7921_BTSYS_RST 0x70002610
18 #define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
19 
20 #define MT7921_PINMUX_0 0x70005050
21 #define MT7921_PINMUX_1 0x70005054
22 
23 #define MT7921_DLSTATUS 0x7c053c10
24 #define BT_DL_STATE BIT(1)
25 
26 #define MTK_COREDUMP_SIZE		(1024 * 1000)
27 #define MTK_COREDUMP_END		"coredump end"
28 #define MTK_COREDUMP_END_LEN		(sizeof(MTK_COREDUMP_END))
29 #define MTK_COREDUMP_NUM		255
30 
31 /* UHW CR mapping */
32 #define MTK_BT_MISC		0x70002510
33 #define MTK_BT_SUBSYS_RST	0x70002610
34 #define MTK_UDMA_INT_STA_BT	0x74000024
35 #define MTK_UDMA_INT_STA_BT1	0x74000308
36 #define MTK_BT_WDT_STATUS	0x740003A0
37 #define MTK_EP_RST_OPT		0x74011890
38 #define MTK_EP_RST_IN_OUT_OPT	0x00010001
39 #define MTK_BT_RST_DONE		0x00000100
40 #define MTK_BT_RESET_REG_CONNV3	0x70028610
41 #define MTK_BT_READ_DEV_ID	0x70010200
42 
43 /* MediaTek ISO Interface */
44 #define MTK_ISO_IFNUM		2
45 
46 enum {
47 	BTMTK_WMT_PATCH_DWNLD = 0x1,
48 	BTMTK_WMT_TEST = 0x2,
49 	BTMTK_WMT_WAKEUP = 0x3,
50 	BTMTK_WMT_HIF = 0x4,
51 	BTMTK_WMT_FUNC_CTRL = 0x6,
52 	BTMTK_WMT_RST = 0x7,
53 	BTMTK_WMT_REGISTER = 0x8,
54 	BTMTK_WMT_SEMAPHORE = 0x17,
55 };
56 
57 enum {
58 	BTMTK_WMT_INVALID,
59 	BTMTK_WMT_PATCH_UNDONE,
60 	BTMTK_WMT_PATCH_PROGRESS,
61 	BTMTK_WMT_PATCH_DONE,
62 	BTMTK_WMT_ON_UNDONE,
63 	BTMTK_WMT_ON_DONE,
64 	BTMTK_WMT_ON_PROGRESS,
65 };
66 
67 struct btmtk_wmt_hdr {
68 	u8	dir;
69 	u8	op;
70 	__le16	dlen;
71 	u8	flag;
72 } __packed;
73 
74 struct btmtk_hci_wmt_cmd {
75 	struct btmtk_wmt_hdr hdr;
76 	u8 data[];
77 } __packed;
78 
79 struct btmtk_hci_wmt_evt {
80 	struct hci_event_hdr hhdr;
81 	struct btmtk_wmt_hdr whdr;
82 } __packed;
83 
84 struct btmtk_hci_wmt_evt_funcc {
85 	struct btmtk_hci_wmt_evt hwhdr;
86 	__be16 status;
87 } __packed;
88 
89 struct btmtk_hci_wmt_evt_reg {
90 	struct btmtk_hci_wmt_evt hwhdr;
91 	u8 rsv[2];
92 	u8 num;
93 	__le32 addr;
94 	__le32 val;
95 } __packed;
96 
97 struct btmtk_tci_sleep {
98 	u8 mode;
99 	__le16 duration;
100 	__le16 host_duration;
101 	u8 host_wakeup_pin;
102 	u8 time_compensation;
103 } __packed;
104 
105 struct btmtk_wakeon {
106 	u8 mode;
107 	u8 gpo;
108 	u8 active_high;
109 	__le16 enable_delay;
110 	__le16 wakeup_delay;
111 } __packed;
112 
113 struct btmtk_sco {
114 	u8 clock_config;
115 	u8 transmit_format_config;
116 	u8 channel_format_config;
117 	u8 channel_select_config;
118 } __packed;
119 
120 struct reg_read_cmd {
121 	u8 type;
122 	u8 rsv;
123 	u8 num;
124 	__le32 addr;
125 } __packed;
126 
127 struct reg_write_cmd {
128 	u8 type;
129 	u8 rsv;
130 	u8 num;
131 	__le32 addr;
132 	__le32 data;
133 	__le32 mask;
134 } __packed;
135 
136 struct btmtk_hci_wmt_params {
137 	u8 op;
138 	u8 flag;
139 	u16 dlen;
140 	const void *data;
141 	u32 *status;
142 };
143 
144 enum {
145 	BTMTK_TX_WAIT_VND_EVT,
146 	BTMTK_FIRMWARE_LOADED,
147 	BTMTK_HW_RESET_ACTIVE,
148 	BTMTK_ISOPKT_OVER_INTR,
149 	BTMTK_ISOPKT_RUNNING,
150 };
151 
152 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
153 
154 struct btmtk_coredump_info {
155 	const char *driver_name;
156 	u32 fw_version;
157 	u16 cnt;
158 	int state;
159 };
160 
161 struct btmtk_data {
162 	const char *drv_name;
163 	unsigned long flags;
164 	u32 dev_id;
165 	btmtk_reset_sync_func_t reset_sync;
166 	struct btmtk_coredump_info cd_info;
167 
168 	struct usb_device *udev;
169 	struct usb_interface *intf;
170 	struct usb_anchor *ctrl_anchor;
171 	struct sk_buff *evt_skb;
172 	struct usb_endpoint_descriptor *isopkt_tx_ep;
173 	struct usb_endpoint_descriptor *isopkt_rx_ep;
174 	struct usb_interface *isopkt_intf;
175 	struct usb_anchor isopkt_anchor;
176 	struct sk_buff *isopkt_skb;
177 
178 	/* spinlock for ISO data transmission */
179 	spinlock_t isorxlock;
180 };
181 
182 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
183 				   struct btmtk_hci_wmt_params *);
184 
185 #if IS_ENABLED(CONFIG_BT_MTK)
186 
187 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
188 
189 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
190 			      wmt_cmd_sync_func_t wmt_cmd_sync);
191 
192 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
193 			 wmt_cmd_sync_func_t wmt_cmd_sync);
194 
195 void btmtk_reset_sync(struct hci_dev *hdev);
196 
197 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
198 			    u32 fw_version);
199 
200 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
201 
202 void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
203 			   u32 fw_flavor);
204 
205 int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id);
206 
207 int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb);
208 
209 struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
210 			       usb_complete_t tx_complete);
211 
212 int btmtk_usb_resume(struct hci_dev *hdev);
213 
214 int btmtk_usb_suspend(struct hci_dev *hdev);
215 
216 int btmtk_usb_setup(struct hci_dev *hdev);
217 
218 int btmtk_usb_shutdown(struct hci_dev *hdev);
219 #else
220 
221 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
222 				   const bdaddr_t *bdaddr)
223 {
224 	return -EOPNOTSUPP;
225 }
226 
227 static inline int btmtk_setup_firmware_79xx(struct hci_dev *hdev,
228 					    const char *fwname,
229 					    wmt_cmd_sync_func_t wmt_cmd_sync)
230 {
231 	return -EOPNOTSUPP;
232 }
233 
234 static inline int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
235 				       wmt_cmd_sync_func_t wmt_cmd_sync)
236 {
237 	return -EOPNOTSUPP;
238 }
239 
240 static inline void btmtk_reset_sync(struct hci_dev *hdev)
241 {
242 }
243 
244 static inline int btmtk_register_coredump(struct hci_dev *hdev,
245 					  const char *name, u32 fw_version)
246 {
247 	return -EOPNOTSUPP;
248 }
249 
250 static inline int btmtk_process_coredump(struct hci_dev *hdev,
251 					 struct sk_buff *skb)
252 {
253 	return -EOPNOTSUPP;
254 }
255 
256 static inline void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id,
257 					 u32 fw_ver, u32 fw_flavor)
258 {
259 }
260 
261 static inline int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
262 {
263 	return -EOPNOTSUPP;
264 }
265 
266 static inline int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
267 {
268 	return -EOPNOTSUPP;
269 }
270 
271 static inline struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev,
272 					     struct sk_buff *skb,
273 					     usb_complete_t tx_complete)
274 {
275 	return ERR_PTR(-EOPNOTSUPP);
276 }
277 
278 static inline int btmtk_usb_resume(struct hci_dev *hdev)
279 {
280 	return -EOPNOTSUPP;
281 }
282 
283 static inline int btmtk_usb_suspend(struct hci_dev *hdev)
284 {
285 	return -EOPNOTSUPP;
286 }
287 
288 static inline int btmtk_usb_setup(struct hci_dev *hdev)
289 {
290 	return -EOPNOTSUPP;
291 }
292 
293 static inline int btmtk_usb_shutdown(struct hci_dev *hdev)
294 {
295 	return -EOPNOTSUPP;
296 }
297 #endif
298