xref: /openbmc/linux/drivers/bluetooth/btmtk.h (revision 1992f2af)
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_MT7961		"mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
8 #define FIRMWARE_MT7925		"mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin"
9 
10 #define HCI_EV_WMT 0xe4
11 #define HCI_WMT_MAX_EVENT_SIZE		64
12 
13 #define BTMTK_WMT_REG_WRITE 0x1
14 #define BTMTK_WMT_REG_READ 0x2
15 
16 #define MT7921_BTSYS_RST 0x70002610
17 #define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
18 
19 #define MT7921_PINMUX_0 0x70005050
20 #define MT7921_PINMUX_1 0x70005054
21 
22 #define MT7921_DLSTATUS 0x7c053c10
23 #define BT_DL_STATE BIT(1)
24 
25 #define MTK_COREDUMP_SIZE		(1024 * 1000)
26 #define MTK_COREDUMP_END		"coredump end"
27 #define MTK_COREDUMP_END_LEN		(sizeof(MTK_COREDUMP_END))
28 #define MTK_COREDUMP_NUM		255
29 
30 enum {
31 	BTMTK_WMT_PATCH_DWNLD = 0x1,
32 	BTMTK_WMT_TEST = 0x2,
33 	BTMTK_WMT_WAKEUP = 0x3,
34 	BTMTK_WMT_HIF = 0x4,
35 	BTMTK_WMT_FUNC_CTRL = 0x6,
36 	BTMTK_WMT_RST = 0x7,
37 	BTMTK_WMT_REGISTER = 0x8,
38 	BTMTK_WMT_SEMAPHORE = 0x17,
39 };
40 
41 enum {
42 	BTMTK_WMT_INVALID,
43 	BTMTK_WMT_PATCH_UNDONE,
44 	BTMTK_WMT_PATCH_PROGRESS,
45 	BTMTK_WMT_PATCH_DONE,
46 	BTMTK_WMT_ON_UNDONE,
47 	BTMTK_WMT_ON_DONE,
48 	BTMTK_WMT_ON_PROGRESS,
49 };
50 
51 struct btmtk_wmt_hdr {
52 	u8	dir;
53 	u8	op;
54 	__le16	dlen;
55 	u8	flag;
56 } __packed;
57 
58 struct btmtk_hci_wmt_cmd {
59 	struct btmtk_wmt_hdr hdr;
60 	u8 data[];
61 } __packed;
62 
63 struct btmtk_hci_wmt_evt {
64 	struct hci_event_hdr hhdr;
65 	struct btmtk_wmt_hdr whdr;
66 } __packed;
67 
68 struct btmtk_hci_wmt_evt_funcc {
69 	struct btmtk_hci_wmt_evt hwhdr;
70 	__be16 status;
71 } __packed;
72 
73 struct btmtk_hci_wmt_evt_reg {
74 	struct btmtk_hci_wmt_evt hwhdr;
75 	u8 rsv[2];
76 	u8 num;
77 	__le32 addr;
78 	__le32 val;
79 } __packed;
80 
81 struct btmtk_tci_sleep {
82 	u8 mode;
83 	__le16 duration;
84 	__le16 host_duration;
85 	u8 host_wakeup_pin;
86 	u8 time_compensation;
87 } __packed;
88 
89 struct btmtk_wakeon {
90 	u8 mode;
91 	u8 gpo;
92 	u8 active_high;
93 	__le16 enable_delay;
94 	__le16 wakeup_delay;
95 } __packed;
96 
97 struct btmtk_sco {
98 	u8 clock_config;
99 	u8 transmit_format_config;
100 	u8 channel_format_config;
101 	u8 channel_select_config;
102 } __packed;
103 
104 struct reg_read_cmd {
105 	u8 type;
106 	u8 rsv;
107 	u8 num;
108 	__le32 addr;
109 } __packed;
110 
111 struct reg_write_cmd {
112 	u8 type;
113 	u8 rsv;
114 	u8 num;
115 	__le32 addr;
116 	__le32 data;
117 	__le32 mask;
118 } __packed;
119 
120 struct btmtk_hci_wmt_params {
121 	u8 op;
122 	u8 flag;
123 	u16 dlen;
124 	const void *data;
125 	u32 *status;
126 };
127 
128 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
129 
130 struct btmtk_coredump_info {
131 	const char *driver_name;
132 	u32 fw_version;
133 	u16 cnt;
134 	int state;
135 };
136 
137 struct btmediatek_data {
138 	u32 dev_id;
139 	btmtk_reset_sync_func_t reset_sync;
140 	struct btmtk_coredump_info cd_info;
141 };
142 
143 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
144 				   struct btmtk_hci_wmt_params *);
145 
146 #if IS_ENABLED(CONFIG_BT_MTK)
147 
148 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
149 
150 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
151 			      wmt_cmd_sync_func_t wmt_cmd_sync);
152 
153 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
154 			 wmt_cmd_sync_func_t wmt_cmd_sync);
155 
156 void btmtk_reset_sync(struct hci_dev *hdev);
157 
158 int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
159 			    u32 fw_version);
160 
161 int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb);
162 #else
163 
164 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
165 				   const bdaddr_t *bdaddr)
166 {
167 	return -EOPNOTSUPP;
168 }
169 
170 static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
171 				     wmt_cmd_sync_func_t wmt_cmd_sync)
172 {
173 	return -EOPNOTSUPP;
174 }
175 
176 static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
177 				wmt_cmd_sync_func_t wmt_cmd_sync)
178 {
179 	return -EOPNOTSUPP;
180 }
181 
182 static void btmtk_reset_sync(struct hci_dev *hdev)
183 {
184 }
185 
186 static int btmtk_register_coredump(struct hci_dev *hdev, const char *name,
187 				   u32 fw_version)
188 {
189 	return -EOPNOTSUPP;
190 }
191 
192 static int btmtk_process_coredump(struct hci_dev *hdev, struct sk_buff *skb)
193 {
194 	return -EOPNOTSUPP;
195 }
196 #endif
197