xref: /linux/drivers/bluetooth/btqca.h (revision d6869352cb3c3cf3450637a52349e2e87c1354aa)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  Bluetooth supports for Qualcomm Atheros ROME chips
4  *
5  *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
6  */
7 
8 #define EDL_PATCH_CMD_OPCODE		(0xFC00)
9 #define EDL_NVM_ACCESS_OPCODE		(0xFC0B)
10 #define EDL_WRITE_BD_ADDR_OPCODE	(0xFC14)
11 #define EDL_PATCH_CMD_LEN		(1)
12 #define EDL_PATCH_VER_REQ_CMD		(0x19)
13 #define EDL_PATCH_TLV_REQ_CMD		(0x1E)
14 #define EDL_NVM_ACCESS_SET_REQ_CMD	(0x01)
15 #define MAX_SIZE_PER_TLV_SEGMENT	(243)
16 
17 #define EDL_CMD_REQ_RES_EVT		(0x00)
18 #define EDL_PATCH_VER_RES_EVT		(0x19)
19 #define EDL_APP_VER_RES_EVT		(0x02)
20 #define EDL_TVL_DNLD_RES_EVT		(0x04)
21 #define EDL_CMD_EXE_STATUS_EVT		(0x00)
22 #define EDL_SET_BAUDRATE_RSP_EVT	(0x92)
23 #define EDL_NVM_ACCESS_CODE_EVT		(0x0B)
24 
25 #define EDL_TAG_ID_HCI			(17)
26 #define EDL_TAG_ID_DEEP_SLEEP		(27)
27 
28 #define QCA_WCN3990_POWERON_PULSE	0xFC
29 #define QCA_WCN3990_POWEROFF_PULSE	0xC0
30 
31 enum qca_baudrate {
32 	QCA_BAUDRATE_115200 	= 0,
33 	QCA_BAUDRATE_57600,
34 	QCA_BAUDRATE_38400,
35 	QCA_BAUDRATE_19200,
36 	QCA_BAUDRATE_9600,
37 	QCA_BAUDRATE_230400,
38 	QCA_BAUDRATE_250000,
39 	QCA_BAUDRATE_460800,
40 	QCA_BAUDRATE_500000,
41 	QCA_BAUDRATE_720000,
42 	QCA_BAUDRATE_921600,
43 	QCA_BAUDRATE_1000000,
44 	QCA_BAUDRATE_1250000,
45 	QCA_BAUDRATE_2000000,
46 	QCA_BAUDRATE_3000000,
47 	QCA_BAUDRATE_4000000,
48 	QCA_BAUDRATE_1600000,
49 	QCA_BAUDRATE_3200000,
50 	QCA_BAUDRATE_3500000,
51 	QCA_BAUDRATE_AUTO 	= 0xFE,
52 	QCA_BAUDRATE_RESERVED
53 };
54 
55 enum rome_tlv_dnld_mode {
56 	ROME_SKIP_EVT_NONE,
57 	ROME_SKIP_EVT_VSE,
58 	ROME_SKIP_EVT_CC,
59 	ROME_SKIP_EVT_VSE_CC
60 };
61 
62 enum rome_tlv_type {
63 	TLV_TYPE_PATCH = 1,
64 	TLV_TYPE_NVM
65 };
66 
67 struct rome_config {
68 	u8 type;
69 	char fwname[64];
70 	uint8_t user_baud_rate;
71 	enum rome_tlv_dnld_mode dnld_mode;
72 };
73 
74 struct edl_event_hdr {
75 	__u8 cresp;
76 	__u8 rtype;
77 	__u8 data[0];
78 } __packed;
79 
80 struct rome_version {
81 	__le32 product_id;
82 	__le16 patch_ver;
83 	__le16 rome_ver;
84 	__le32 soc_id;
85 } __packed;
86 
87 struct tlv_seg_resp {
88 	__u8 result;
89 } __packed;
90 
91 struct tlv_type_patch {
92 	__le32 total_size;
93 	__le32 data_length;
94 	__u8   format_version;
95 	__u8   signature;
96 	__u8   download_mode;
97 	__u8   reserved1;
98 	__le16 product_id;
99 	__le16 rom_build;
100 	__le16 patch_version;
101 	__le16 reserved2;
102 	__le32 entry;
103 } __packed;
104 
105 struct tlv_type_nvm {
106 	__le16 tag_id;
107 	__le16 tag_len;
108 	__le32 reserve1;
109 	__le32 reserve2;
110 	__u8   data[0];
111 } __packed;
112 
113 struct tlv_type_hdr {
114 	__le32 type_len;
115 	__u8   data[0];
116 } __packed;
117 
118 enum qca_btsoc_type {
119 	QCA_INVALID = -1,
120 	QCA_AR3002,
121 	QCA_ROME,
122 	QCA_WCN3990,
123 	QCA_WCN3998,
124 };
125 
126 #if IS_ENABLED(CONFIG_BT_QCA)
127 
128 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
129 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
130 		   enum qca_btsoc_type soc_type, u32 soc_ver);
131 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
132 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
133 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
134 {
135 	return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3998;
136 }
137 #else
138 
139 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
140 {
141 	return -EOPNOTSUPP;
142 }
143 
144 static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
145 				 enum qca_btsoc_type soc_type, u32 soc_ver)
146 {
147 	return -EOPNOTSUPP;
148 }
149 
150 static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
151 {
152 	return -EOPNOTSUPP;
153 }
154 
155 static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
156 {
157 	return -EOPNOTSUPP;
158 }
159 
160 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
161 {
162 	return false;
163 }
164 #endif
165