xref: /openbmc/linux/drivers/bluetooth/btmtk.h (revision 8d81cd1a)
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 enum {
32 	BTMTK_WMT_PATCH_DWNLD = 0x1,
33 	BTMTK_WMT_TEST = 0x2,
34 	BTMTK_WMT_WAKEUP = 0x3,
35 	BTMTK_WMT_HIF = 0x4,
36 	BTMTK_WMT_FUNC_CTRL = 0x6,
37 	BTMTK_WMT_RST = 0x7,
38 	BTMTK_WMT_REGISTER = 0x8,
39 	BTMTK_WMT_SEMAPHORE = 0x17,
40 };
41 
42 enum {
43 	BTMTK_WMT_INVALID,
44 	BTMTK_WMT_PATCH_UNDONE,
45 	BTMTK_WMT_PATCH_PROGRESS,
46 	BTMTK_WMT_PATCH_DONE,
47 	BTMTK_WMT_ON_UNDONE,
48 	BTMTK_WMT_ON_DONE,
49 	BTMTK_WMT_ON_PROGRESS,
50 };
51 
52 struct btmtk_wmt_hdr {
53 	u8	dir;
54 	u8	op;
55 	__le16	dlen;
56 	u8	flag;
57 } __packed;
58 
59 struct btmtk_hci_wmt_cmd {
60 	struct btmtk_wmt_hdr hdr;
61 	u8 data[];
62 } __packed;
63 
64 struct btmtk_hci_wmt_evt {
65 	struct hci_event_hdr hhdr;
66 	struct btmtk_wmt_hdr whdr;
67 } __packed;
68 
69 struct btmtk_hci_wmt_evt_funcc {
70 	struct btmtk_hci_wmt_evt hwhdr;
71 	__be16 status;
72 } __packed;
73 
74 struct btmtk_hci_wmt_evt_reg {
75 	struct btmtk_hci_wmt_evt hwhdr;
76 	u8 rsv[2];
77 	u8 num;
78 	__le32 addr;
79 	__le32 val;
80 } __packed;
81 
82 struct btmtk_tci_sleep {
83 	u8 mode;
84 	__le16 duration;
85 	__le16 host_duration;
86 	u8 host_wakeup_pin;
87 	u8 time_compensation;
88 } __packed;
89 
90 struct btmtk_wakeon {
91 	u8 mode;
92 	u8 gpo;
93 	u8 active_high;
94 	__le16 enable_delay;
95 	__le16 wakeup_delay;
96 } __packed;
97 
98 struct btmtk_sco {
99 	u8 clock_config;
100 	u8 transmit_format_config;
101 	u8 channel_format_config;
102 	u8 channel_select_config;
103 } __packed;
104 
105 struct reg_read_cmd {
106 	u8 type;
107 	u8 rsv;
108 	u8 num;
109 	__le32 addr;
110 } __packed;
111 
112 struct reg_write_cmd {
113 	u8 type;
114 	u8 rsv;
115 	u8 num;
116 	__le32 addr;
117 	__le32 data;
118 	__le32 mask;
119 } __packed;
120 
121 struct btmtk_hci_wmt_params {
122 	u8 op;
123 	u8 flag;
124 	u16 dlen;
125 	const void *data;
126 	u32 *status;
127 };
128 
129 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
130 
131 struct btmtk_coredump_info {
132 	const char *driver_name;
133 	u32 fw_version;
134 	u16 cnt;
135 	int state;
136 };
137 
138 struct btmediatek_data {
139 	u32 dev_id;
140 	btmtk_reset_sync_func_t reset_sync;
141 	struct btmtk_coredump_info cd_info;
142 };
143 
144 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
145 				   struct btmtk_hci_wmt_params *);
146 
147 #if IS_ENABLED(CONFIG_BT_MTK)
148 
149 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
150 
151 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
152 			      wmt_cmd_sync_func_t wmt_cmd_sync);
153 
154 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
155 			 wmt_cmd_sync_func_t wmt_cmd_sync);
156 
157 void btmtk_reset_sync(struct hci_dev *hdev);
158 
159 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
160 			    u32 fw_version);
161 
162 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
163 #else
164 
165 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
166 				   const bdaddr_t *bdaddr)
167 {
168 	return -EOPNOTSUPP;
169 }
170 
171 static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
172 				     wmt_cmd_sync_func_t wmt_cmd_sync)
173 {
174 	return -EOPNOTSUPP;
175 }
176 
177 static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
178 				wmt_cmd_sync_func_t wmt_cmd_sync)
179 {
180 	return -EOPNOTSUPP;
181 }
182 
183 static void btmtk_reset_sync(struct hci_dev *hdev)
184 {
185 }
186 
187 static int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
188 				   u32 fw_version)
189 {
190 	return -EOPNOTSUPP;
191 }
192 
193 static int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb)
194 {
195 	return -EOPNOTSUPP;
196 }
197 #endif
198