xref: /openbmc/linux/drivers/bluetooth/btmtk.h (revision f71a261a)
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 
9 #define HCI_EV_WMT 0xe4
10 #define HCI_WMT_MAX_EVENT_SIZE		64
11 
12 #define BTMTK_WMT_REG_WRITE 0x1
13 #define BTMTK_WMT_REG_READ 0x2
14 
15 #define MT7921_BTSYS_RST 0x70002610
16 #define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
17 
18 #define MT7921_PINMUX_0 0x70005050
19 #define MT7921_PINMUX_1 0x70005054
20 
21 #define MT7921_DLSTATUS 0x7c053c10
22 #define BT_DL_STATE BIT(1)
23 
24 enum {
25 	BTMTK_WMT_PATCH_DWNLD = 0x1,
26 	BTMTK_WMT_TEST = 0x2,
27 	BTMTK_WMT_WAKEUP = 0x3,
28 	BTMTK_WMT_HIF = 0x4,
29 	BTMTK_WMT_FUNC_CTRL = 0x6,
30 	BTMTK_WMT_RST = 0x7,
31 	BTMTK_WMT_REGISTER = 0x8,
32 	BTMTK_WMT_SEMAPHORE = 0x17,
33 };
34 
35 enum {
36 	BTMTK_WMT_INVALID,
37 	BTMTK_WMT_PATCH_UNDONE,
38 	BTMTK_WMT_PATCH_PROGRESS,
39 	BTMTK_WMT_PATCH_DONE,
40 	BTMTK_WMT_ON_UNDONE,
41 	BTMTK_WMT_ON_DONE,
42 	BTMTK_WMT_ON_PROGRESS,
43 };
44 
45 struct btmtk_wmt_hdr {
46 	u8	dir;
47 	u8	op;
48 	__le16	dlen;
49 	u8	flag;
50 } __packed;
51 
52 struct btmtk_hci_wmt_cmd {
53 	struct btmtk_wmt_hdr hdr;
54 	u8 data[];
55 } __packed;
56 
57 struct btmtk_hci_wmt_evt {
58 	struct hci_event_hdr hhdr;
59 	struct btmtk_wmt_hdr whdr;
60 } __packed;
61 
62 struct btmtk_hci_wmt_evt_funcc {
63 	struct btmtk_hci_wmt_evt hwhdr;
64 	__be16 status;
65 } __packed;
66 
67 struct btmtk_hci_wmt_evt_reg {
68 	struct btmtk_hci_wmt_evt hwhdr;
69 	u8 rsv[2];
70 	u8 num;
71 	__le32 addr;
72 	__le32 val;
73 } __packed;
74 
75 struct btmtk_tci_sleep {
76 	u8 mode;
77 	__le16 duration;
78 	__le16 host_duration;
79 	u8 host_wakeup_pin;
80 	u8 time_compensation;
81 } __packed;
82 
83 struct btmtk_wakeon {
84 	u8 mode;
85 	u8 gpo;
86 	u8 active_high;
87 	__le16 enable_delay;
88 	__le16 wakeup_delay;
89 } __packed;
90 
91 struct btmtk_sco {
92 	u8 clock_config;
93 	u8 transmit_format_config;
94 	u8 channel_format_config;
95 	u8 channel_select_config;
96 } __packed;
97 
98 struct reg_read_cmd {
99 	u8 type;
100 	u8 rsv;
101 	u8 num;
102 	__le32 addr;
103 } __packed;
104 
105 struct reg_write_cmd {
106 	u8 type;
107 	u8 rsv;
108 	u8 num;
109 	__le32 addr;
110 	__le32 data;
111 	__le32 mask;
112 } __packed;
113 
114 struct btmtk_hci_wmt_params {
115 	u8 op;
116 	u8 flag;
117 	u16 dlen;
118 	const void *data;
119 	u32 *status;
120 };
121 
122 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
123 				   struct btmtk_hci_wmt_params *);
124 
125 #if IS_ENABLED(CONFIG_BT_MTK)
126 
127 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
128 
129 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
130 			      wmt_cmd_sync_func_t wmt_cmd_sync);
131 
132 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
133 			 wmt_cmd_sync_func_t wmt_cmd_sync);
134 #else
135 
136 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
137 				   const bdaddr_t *bdaddr)
138 {
139 	return -EOPNOTSUPP;
140 }
141 
142 static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
143 				     wmt_cmd_sync_func_t wmt_cmd_sync)
144 {
145 	return -EOPNOTSUPP;
146 }
147 
148 static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
149 				wmt_cmd_sync_func_t wmt_cmd_sync)
150 {
151 	return -EOPNOTSUPP;
152 }
153 
154 #endif
155