xref: /openbmc/linux/drivers/bluetooth/btmtk.h (revision 25b6d759)
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 enum {
26 	BTMTK_WMT_PATCH_DWNLD = 0x1,
27 	BTMTK_WMT_TEST = 0x2,
28 	BTMTK_WMT_WAKEUP = 0x3,
29 	BTMTK_WMT_HIF = 0x4,
30 	BTMTK_WMT_FUNC_CTRL = 0x6,
31 	BTMTK_WMT_RST = 0x7,
32 	BTMTK_WMT_REGISTER = 0x8,
33 	BTMTK_WMT_SEMAPHORE = 0x17,
34 };
35 
36 enum {
37 	BTMTK_WMT_INVALID,
38 	BTMTK_WMT_PATCH_UNDONE,
39 	BTMTK_WMT_PATCH_PROGRESS,
40 	BTMTK_WMT_PATCH_DONE,
41 	BTMTK_WMT_ON_UNDONE,
42 	BTMTK_WMT_ON_DONE,
43 	BTMTK_WMT_ON_PROGRESS,
44 };
45 
46 struct btmtk_wmt_hdr {
47 	u8	dir;
48 	u8	op;
49 	__le16	dlen;
50 	u8	flag;
51 } __packed;
52 
53 struct btmtk_hci_wmt_cmd {
54 	struct btmtk_wmt_hdr hdr;
55 	u8 data[];
56 } __packed;
57 
58 struct btmtk_hci_wmt_evt {
59 	struct hci_event_hdr hhdr;
60 	struct btmtk_wmt_hdr whdr;
61 } __packed;
62 
63 struct btmtk_hci_wmt_evt_funcc {
64 	struct btmtk_hci_wmt_evt hwhdr;
65 	__be16 status;
66 } __packed;
67 
68 struct btmtk_hci_wmt_evt_reg {
69 	struct btmtk_hci_wmt_evt hwhdr;
70 	u8 rsv[2];
71 	u8 num;
72 	__le32 addr;
73 	__le32 val;
74 } __packed;
75 
76 struct btmtk_tci_sleep {
77 	u8 mode;
78 	__le16 duration;
79 	__le16 host_duration;
80 	u8 host_wakeup_pin;
81 	u8 time_compensation;
82 } __packed;
83 
84 struct btmtk_wakeon {
85 	u8 mode;
86 	u8 gpo;
87 	u8 active_high;
88 	__le16 enable_delay;
89 	__le16 wakeup_delay;
90 } __packed;
91 
92 struct btmtk_sco {
93 	u8 clock_config;
94 	u8 transmit_format_config;
95 	u8 channel_format_config;
96 	u8 channel_select_config;
97 } __packed;
98 
99 struct reg_read_cmd {
100 	u8 type;
101 	u8 rsv;
102 	u8 num;
103 	__le32 addr;
104 } __packed;
105 
106 struct reg_write_cmd {
107 	u8 type;
108 	u8 rsv;
109 	u8 num;
110 	__le32 addr;
111 	__le32 data;
112 	__le32 mask;
113 } __packed;
114 
115 struct btmtk_hci_wmt_params {
116 	u8 op;
117 	u8 flag;
118 	u16 dlen;
119 	const void *data;
120 	u32 *status;
121 };
122 
123 typedef int (*btmtk_reset_sync_func_t)(struct hci_dev *, void *);
124 
125 struct btmediatek_data {
126 	u32 dev_id;
127 	btmtk_reset_sync_func_t reset_sync;
128 };
129 
130 typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
131 				   struct btmtk_hci_wmt_params *);
132 
133 #if IS_ENABLED(CONFIG_BT_MTK)
134 
135 int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
136 
137 int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
138 			      wmt_cmd_sync_func_t wmt_cmd_sync);
139 
140 int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
141 			 wmt_cmd_sync_func_t wmt_cmd_sync);
142 
143 void btmtk_reset_sync(struct hci_dev *hdev);
144 #else
145 
146 static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
147 				   const bdaddr_t *bdaddr)
148 {
149 	return -EOPNOTSUPP;
150 }
151 
152 static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
153 				     wmt_cmd_sync_func_t wmt_cmd_sync)
154 {
155 	return -EOPNOTSUPP;
156 }
157 
158 static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
159 				wmt_cmd_sync_func_t wmt_cmd_sync)
160 {
161 	return -EOPNOTSUPP;
162 }
163 
164 static void btmtk_reset_sync(struct hci_dev *hdev)
165 {
166 }
167 #endif
168