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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
49enum {
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
60enum {
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
70struct btmtk_wmt_hdr {
71 u8 dir;
72 u8 op;
73 __le16 dlen;
74 u8 flag;
75} __packed;
76
77struct btmtk_hci_wmt_cmd {
78 struct btmtk_wmt_hdr hdr;
79 u8 data[];
80} __packed;
81
82struct btmtk_hci_wmt_evt {
83 struct hci_event_hdr hhdr;
84 struct btmtk_wmt_hdr whdr;
85} __packed;
86
87struct btmtk_hci_wmt_evt_funcc {
88 struct btmtk_hci_wmt_evt hwhdr;
89 __be16 status;
90} __packed;
91
92struct 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
100struct 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
108struct btmtk_wakeon {
109 u8 mode;
110 u8 gpo;
111 u8 active_high;
112 __le16 enable_delay;
113 __le16 wakeup_delay;
114} __packed;
115
116struct btmtk_sco {
117 u8 clock_config;
118 u8 transmit_format_config;
119 u8 channel_format_config;
120 u8 channel_select_config;
121} __packed;
122
123struct reg_read_cmd {
124 u8 type;
125 u8 rsv;
126 u8 num;
127 __le32 addr;
128} __packed;
129
130struct reg_write_cmd {
131 u8 type;
132 u8 rsv;
133 u8 num;
134 __le32 addr;
135 __le32 data;
136 __le32 mask;
137} __packed;
138
139struct btmtk_hci_wmt_params {
140 u8 op;
141 u8 flag;
142 u16 dlen;
143 const void *data;
144 u32 *status;
145};
146
147enum {
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
156typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
157
158struct btmtk_coredump_info {
159 const char *driver_name;
160 u32 fw_version;
161 u16 cnt;
162 int state;
163};
164
165struct 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
186typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
187 struct btmtk_hci_wmt_params *);
188
189#if IS_ENABLED(CONFIG_BT_MTK)
190
191int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
192
193int 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
197int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
198 wmt_cmd_sync_func_t wmt_cmd_sync);
199
200void btmtk_reset_sync(struct hci_dev *hdev);
201
202int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
203 u32 fw_version);
204
205int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
206
207void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
208 u32 fw_flavor);
209
210int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id);
211
212int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb);
213
214struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
215 usb_complete_t tx_complete);
216
217int btmtk_usb_resume(struct hci_dev *hdev);
218
219int btmtk_usb_suspend(struct hci_dev *hdev);
220
221int btmtk_usb_setup(struct hci_dev *hdev);
222
223int btmtk_usb_shutdown(struct hci_dev *hdev);
224
225int btmtk_recv_event(struct hci_dev *hdev, struct sk_buff *skb);
226#else
227
228static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
229 const bdaddr_t *bdaddr)
230{
231 return -EOPNOTSUPP;
232}
233
234static 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
242static 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
248static inline void btmtk_reset_sync(struct hci_dev *hdev)
249{
250}
251
252static inline int btmtk_register_coredump(struct hci_dev *hdev,
253 const char *name, u32 fw_version)
254{
255 return -EOPNOTSUPP;
256}
257
258static inline int btmtk_process_coredump(struct hci_dev *hdev,
259 struct sk_buff *skb)
260{
261 return -EOPNOTSUPP;
262}
263
264static inline void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id,
265 u32 fw_ver, u32 fw_flavor)
266{
267}
268
269static inline int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
270{
271 return -EOPNOTSUPP;
272}
273
274static inline int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
275{
276 return -EOPNOTSUPP;
277}
278
279static 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
286static inline int btmtk_usb_resume(struct hci_dev *hdev)
287{
288 return -EOPNOTSUPP;
289}
290
291static inline int btmtk_usb_suspend(struct hci_dev *hdev)
292{
293 return -EOPNOTSUPP;
294}
295
296static inline int btmtk_usb_setup(struct hci_dev *hdev)
297{
298 return -EOPNOTSUPP;
299}
300
301static inline int btmtk_usb_shutdown(struct hci_dev *hdev)
302{
303 return -EOPNOTSUPP;
304}
305
306static inline int btmtk_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
307{
308 return hci_recv_frame(hdev, skb);
309}
310#endif