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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 #define QCA_PRE_SHUTDOWN_CMD		(0xFC08)
17 #define QCA_DISABLE_LOGGING		(0xFC17)
18 
19 #define EDL_CMD_REQ_RES_EVT		(0x00)
20 #define EDL_PATCH_VER_RES_EVT		(0x19)
21 #define EDL_APP_VER_RES_EVT		(0x02)
22 #define EDL_TVL_DNLD_RES_EVT		(0x04)
23 #define EDL_CMD_EXE_STATUS_EVT		(0x00)
24 #define EDL_SET_BAUDRATE_RSP_EVT	(0x92)
25 #define EDL_NVM_ACCESS_CODE_EVT		(0x0B)
26 #define QCA_DISABLE_LOGGING_SUB_OP	(0x14)
27 
28 #define EDL_TAG_ID_HCI			(17)
29 #define EDL_TAG_ID_DEEP_SLEEP		(27)
30 
31 #define QCA_WCN3990_POWERON_PULSE	0xFC
32 #define QCA_WCN3990_POWEROFF_PULSE	0xC0
33 
34 #define QCA_HCI_CC_OPCODE		0xFC00
35 #define QCA_HCI_CC_SUCCESS		0x00
36 
37 enum qca_baudrate {
38 	QCA_BAUDRATE_115200 	= 0,
39 	QCA_BAUDRATE_57600,
40 	QCA_BAUDRATE_38400,
41 	QCA_BAUDRATE_19200,
42 	QCA_BAUDRATE_9600,
43 	QCA_BAUDRATE_230400,
44 	QCA_BAUDRATE_250000,
45 	QCA_BAUDRATE_460800,
46 	QCA_BAUDRATE_500000,
47 	QCA_BAUDRATE_720000,
48 	QCA_BAUDRATE_921600,
49 	QCA_BAUDRATE_1000000,
50 	QCA_BAUDRATE_1250000,
51 	QCA_BAUDRATE_2000000,
52 	QCA_BAUDRATE_3000000,
53 	QCA_BAUDRATE_4000000,
54 	QCA_BAUDRATE_1600000,
55 	QCA_BAUDRATE_3200000,
56 	QCA_BAUDRATE_3500000,
57 	QCA_BAUDRATE_AUTO 	= 0xFE,
58 	QCA_BAUDRATE_RESERVED
59 };
60 
61 enum qca_tlv_dnld_mode {
62 	QCA_SKIP_EVT_NONE,
63 	QCA_SKIP_EVT_VSE,
64 	QCA_SKIP_EVT_CC,
65 	QCA_SKIP_EVT_VSE_CC
66 };
67 
68 enum qca_tlv_type {
69 	TLV_TYPE_PATCH = 1,
70 	TLV_TYPE_NVM
71 };
72 
73 struct qca_fw_config {
74 	u8 type;
75 	char fwname[64];
76 	uint8_t user_baud_rate;
77 	enum qca_tlv_dnld_mode dnld_mode;
78 	enum qca_tlv_dnld_mode dnld_type;
79 };
80 
81 struct edl_event_hdr {
82 	__u8 cresp;
83 	__u8 rtype;
84 	__u8 data[];
85 } __packed;
86 
87 struct qca_btsoc_version {
88 	__le32 product_id;
89 	__le16 patch_ver;
90 	__le16 rom_ver;
91 	__le32 soc_id;
92 } __packed;
93 
94 struct tlv_seg_resp {
95 	__u8 result;
96 } __packed;
97 
98 struct tlv_type_patch {
99 	__le32 total_size;
100 	__le32 data_length;
101 	__u8   format_version;
102 	__u8   signature;
103 	__u8   download_mode;
104 	__u8   reserved1;
105 	__le16 product_id;
106 	__le16 rom_build;
107 	__le16 patch_version;
108 	__le16 reserved2;
109 	__le32 entry;
110 } __packed;
111 
112 struct tlv_type_nvm {
113 	__le16 tag_id;
114 	__le16 tag_len;
115 	__le32 reserve1;
116 	__le32 reserve2;
117 	__u8   data[];
118 } __packed;
119 
120 struct tlv_type_hdr {
121 	__le32 type_len;
122 	__u8   data[];
123 } __packed;
124 
125 enum qca_btsoc_type {
126 	QCA_INVALID = -1,
127 	QCA_AR3002,
128 	QCA_ROME,
129 	QCA_WCN3990,
130 	QCA_WCN3998,
131 	QCA_WCN3991,
132 	QCA_QCA6390,
133 };
134 
135 #if IS_ENABLED(CONFIG_BT_QCA)
136 
137 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
138 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
139 		   enum qca_btsoc_type soc_type, u32 soc_ver,
140 		   const char *firmware_name);
141 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
142 			 enum qca_btsoc_type);
143 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
144 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
qca_is_wcn399x(enum qca_btsoc_type soc_type)145 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
146 {
147 	return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 ||
148 	       soc_type == QCA_WCN3998;
149 }
150 #else
151 
qca_set_bdaddr_rome(struct hci_dev * hdev,const bdaddr_t * bdaddr)152 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
153 {
154 	return -EOPNOTSUPP;
155 }
156 
qca_uart_setup(struct hci_dev * hdev,uint8_t baudrate,enum qca_btsoc_type soc_type,u32 soc_ver,const char * firmware_name)157 static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
158 				 enum qca_btsoc_type soc_type, u32 soc_ver,
159 				 const char *firmware_name)
160 {
161 	return -EOPNOTSUPP;
162 }
163 
qca_read_soc_version(struct hci_dev * hdev,u32 * soc_version,enum qca_btsoc_type)164 static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
165 				       enum qca_btsoc_type)
166 {
167 	return -EOPNOTSUPP;
168 }
169 
qca_set_bdaddr(struct hci_dev * hdev,const bdaddr_t * bdaddr)170 static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
171 {
172 	return -EOPNOTSUPP;
173 }
174 
qca_is_wcn399x(enum qca_btsoc_type soc_type)175 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
176 {
177 	return false;
178 }
179 
qca_send_pre_shutdown_cmd(struct hci_dev * hdev)180 static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
181 {
182 	return -EOPNOTSUPP;
183 }
184 #endif
185