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_MT7902 "mediatek/BT_RAM_CODE_MT7902_1_1_hdr.bin"
9 #define FIRMWARE_MT7961 "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
10 #define FIRMWARE_MT7920 "mediatek/BT_RAM_CODE_MT7961_1a_2_hdr.bin"
11 #define FIRMWARE_MT7925 "mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin"
12 #define FIRMWARE_MT7927 "mediatek/mt7927/BT_RAM_CODE_MT6639_2_1_hdr.bin"
13
14 #define HCI_EV_WMT 0xe4
15 #define HCI_WMT_MAX_EVENT_SIZE 64
16
17 #define BTMTK_WMT_REG_WRITE 0x1
18 #define BTMTK_WMT_REG_READ 0x2
19
20 #define MT7921_BTSYS_RST 0x70002610
21 #define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
22
23 #define MT7921_PINMUX_0 0x70005050
24 #define MT7921_PINMUX_1 0x70005054
25
26 #define MT7921_DLSTATUS 0x7c053c10
27 #define BT_DL_STATE BIT(1)
28
29 #define MTK_COREDUMP_SIZE (1024 * 1000)
30 #define MTK_COREDUMP_END "coredump end"
31 #define MTK_COREDUMP_END_LEN (sizeof(MTK_COREDUMP_END))
32 #define MTK_COREDUMP_NUM 255
33
34 /* UHW CR mapping */
35 #define MTK_BT_MISC 0x70002510
36 #define MTK_BT_SUBSYS_RST 0x70002610
37 #define MTK_UDMA_INT_STA_BT 0x74000024
38 #define MTK_UDMA_INT_STA_BT1 0x74000308
39 #define MTK_BT_WDT_STATUS 0x740003A0
40 #define MTK_EP_RST_OPT 0x74011890
41 #define MTK_EP_RST_IN_OUT_OPT 0x00010001
42 #define MTK_BT_RST_DONE 0x00000100
43 #define MTK_BT_RESET_REG_CONNV3 0x70028610
44 #define MTK_BT_READ_DEV_ID 0x70010200
45
46 /* MediaTek ISO Interface */
47 #define MTK_ISO_IFNUM 2
48
49 enum {
50 BTMTK_WMT_PATCH_DWNLD = 0x1,
51 BTMTK_WMT_TEST = 0x2,
52 BTMTK_WMT_WAKEUP = 0x3,
53 BTMTK_WMT_HIF = 0x4,
54 BTMTK_WMT_FUNC_CTRL = 0x6,
55 BTMTK_WMT_RST = 0x7,
56 BTMTK_WMT_REGISTER = 0x8,
57 BTMTK_WMT_SEMAPHORE = 0x17,
58 };
59
60 enum {
61 BTMTK_WMT_INVALID,
62 BTMTK_WMT_PATCH_UNDONE,
63 BTMTK_WMT_PATCH_PROGRESS,
64 BTMTK_WMT_PATCH_DONE,
65 BTMTK_WMT_ON_UNDONE,
66 BTMTK_WMT_ON_DONE,
67 BTMTK_WMT_ON_PROGRESS,
68 };
69
70 struct btmtk_wmt_hdr {
71 u8 dir;
72 u8 op;
73 __le16 dlen;
74 u8 flag;
75 } __packed;
76
77 struct btmtk_hci_wmt_cmd {
78 struct btmtk_wmt_hdr hdr;
79 u8 data[];
80 } __packed;
81
82 struct btmtk_hci_wmt_evt {
83 struct hci_event_hdr hhdr;
84 struct btmtk_wmt_hdr whdr;
85 } __packed;
86
87 struct btmtk_hci_wmt_evt_funcc {
88 struct btmtk_hci_wmt_evt hwhdr;
89 __be16 status;
90 } __packed;
91
92 struct btmtk_hci_wmt_evt_reg {
93 struct btmtk_hci_wmt_evt hwhdr;
94 u8 rsv[2];
95 u8 num;
96 __le32 addr;
97 __le32 val;
98 } __packed;
99
100 struct btmtk_tci_sleep {
101 u8 mode;
102 __le16 duration;
103 __le16 host_duration;
104 u8 host_wakeup_pin;
105 u8 time_compensation;
106 } __packed;
107
108 struct btmtk_wakeon {
109 u8 mode;
110 u8 gpo;
111 u8 active_high;
112 __le16 enable_delay;
113 __le16 wakeup_delay;
114 } __packed;
115
116 struct btmtk_sco {
117 u8 clock_config;
118 u8 transmit_format_config;
119 u8 channel_format_config;
120 u8 channel_select_config;
121 } __packed;
122
123 struct reg_read_cmd {
124 u8 type;
125 u8 rsv;
126 u8 num;
127 __le32 addr;
128 } __packed;
129
130 struct reg_write_cmd {
131 u8 type;
132 u8 rsv;
133 u8 num;
134 __le32 addr;
135 __le32 data;
136 __le32 mask;
137 } __packed;
138
139 struct btmtk_hci_wmt_params {
140 u8 op;
141 u8 flag;
142 u16 dlen;
143 const void *data;
144 u32 *status;
145 };
146
147 enum {
148 BTMTK_TX_WAIT_VND_EVT,
149 BTMTK_FIRMWARE_LOADED,
150 BTMTK_HW_RESET_ACTIVE,
151 BTMTK_ISOPKT_OVER_INTR,
152 BTMTK_ISOPKT_RUNNING,
153 BTMTK_FIRMWARE_DL_RETRY,
154 };
155
156 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
157
158 struct btmtk_coredump_info {
159 const char *driver_name;
160 u32 fw_version;
161 u16 cnt;
162 int state;
163 };
164
165 struct btmtk_data {
166 const char *drv_name;
167 unsigned long flags;
168 u32 dev_id;
169 btmtk_reset_sync_func_t reset_sync;
170 struct btmtk_coredump_info cd_info;
171
172 struct usb_device *udev;
173 struct usb_interface *intf;
174 struct usb_anchor *ctrl_anchor;
175 struct sk_buff *evt_skb;
176 struct usb_endpoint_descriptor *isopkt_tx_ep;
177 struct usb_endpoint_descriptor *isopkt_rx_ep;
178 struct usb_interface *isopkt_intf;
179 struct usb_anchor isopkt_anchor;
180 struct sk_buff *isopkt_skb;
181
182 /* spinlock for ISO data transmission */
183 spinlock_t isorxlock;
184 };
185
186 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
187 struct btmtk_hci_wmt_params *);
188
189 #if IS_ENABLED(CONFIG_BT_MTK)
190
191 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
192
193 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
194 wmt_cmd_sync_func_t wmt_cmd_sync,
195 u32 dev_id);
196
197 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
198 wmt_cmd_sync_func_t wmt_cmd_sync);
199
200 void btmtk_reset_sync(struct hci_dev *hdev);
201
202 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
203 u32 fw_version);
204
205 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
206
207 void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
208 u32 fw_flavor);
209
210 int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id);
211
212 int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb);
213
214 struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
215 usb_complete_t tx_complete);
216
217 int btmtk_usb_resume(struct hci_dev *hdev);
218
219 int btmtk_usb_suspend(struct hci_dev *hdev);
220
221 int btmtk_usb_setup(struct hci_dev *hdev);
222
223 int btmtk_usb_shutdown(struct hci_dev *hdev);
224
225 int btmtk_recv_event(struct hci_dev *hdev, struct sk_buff *skb);
226 #else
227
btmtk_set_bdaddr(struct hci_dev * hdev,const bdaddr_t * bdaddr)228 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
229 const bdaddr_t *bdaddr)
230 {
231 return -EOPNOTSUPP;
232 }
233
btmtk_setup_firmware_79xx(struct hci_dev * hdev,const char * fwname,wmt_cmd_sync_func_t wmt_cmd_sync,u32 dev_id)234 static inline int btmtk_setup_firmware_79xx(struct hci_dev *hdev,
235 const char *fwname,
236 wmt_cmd_sync_func_t wmt_cmd_sync,
237 u32 dev_id)
238 {
239 return -EOPNOTSUPP;
240 }
241
btmtk_setup_firmware(struct hci_dev * hdev,const char * fwname,wmt_cmd_sync_func_t wmt_cmd_sync)242 static inline int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
243 wmt_cmd_sync_func_t wmt_cmd_sync)
244 {
245 return -EOPNOTSUPP;
246 }
247
btmtk_reset_sync(struct hci_dev * hdev)248 static inline void btmtk_reset_sync(struct hci_dev *hdev)
249 {
250 }
251
btmtk_register_coredump(struct hci_dev * hdev,const char * name,u32 fw_version)252 static inline int btmtk_register_coredump(struct hci_dev *hdev,
253 const char *name, u32 fw_version)
254 {
255 return -EOPNOTSUPP;
256 }
257
btmtk_process_coredump(struct hci_dev * hdev,struct sk_buff * skb)258 static inline int btmtk_process_coredump(struct hci_dev *hdev,
259 struct sk_buff *skb)
260 {
261 return -EOPNOTSUPP;
262 }
263
btmtk_fw_get_filename(char * buf,size_t size,u32 dev_id,u32 fw_ver,u32 fw_flavor)264 static inline void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id,
265 u32 fw_ver, u32 fw_flavor)
266 {
267 }
268
btmtk_usb_subsys_reset(struct hci_dev * hdev,u32 dev_id)269 static inline int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
270 {
271 return -EOPNOTSUPP;
272 }
273
btmtk_usb_recv_acl(struct hci_dev * hdev,struct sk_buff * skb)274 static inline int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
275 {
276 return -EOPNOTSUPP;
277 }
278
alloc_mtk_intr_urb(struct hci_dev * hdev,struct sk_buff * skb,usb_complete_t tx_complete)279 static inline struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev,
280 struct sk_buff *skb,
281 usb_complete_t tx_complete)
282 {
283 return ERR_PTR(-EOPNOTSUPP);
284 }
285
btmtk_usb_resume(struct hci_dev * hdev)286 static inline int btmtk_usb_resume(struct hci_dev *hdev)
287 {
288 return -EOPNOTSUPP;
289 }
290
btmtk_usb_suspend(struct hci_dev * hdev)291 static inline int btmtk_usb_suspend(struct hci_dev *hdev)
292 {
293 return -EOPNOTSUPP;
294 }
295
btmtk_usb_setup(struct hci_dev * hdev)296 static inline int btmtk_usb_setup(struct hci_dev *hdev)
297 {
298 return -EOPNOTSUPP;
299 }
300
btmtk_usb_shutdown(struct hci_dev * hdev)301 static inline int btmtk_usb_shutdown(struct hci_dev *hdev)
302 {
303 return -EOPNOTSUPP;
304 }
305
btmtk_recv_event(struct hci_dev * hdev,struct sk_buff * skb)306 static inline int btmtk_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
307 {
308 return hci_recv_frame(hdev, skb);
309 }
310 #endif
311