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_GET_BUILD_INFO_CMD		0x20
15 #define EDL_GET_BID_REQ_CMD		0x23
16 #define EDL_NVM_ACCESS_SET_REQ_CMD	0x01
17 #define EDL_PATCH_CONFIG_CMD		0x28
18 #define MAX_SIZE_PER_TLV_SEGMENT	243
19 #define QCA_PRE_SHUTDOWN_CMD		0xFC08
20 #define QCA_DISABLE_LOGGING		0xFC17
21 
22 #define EDL_CMD_REQ_RES_EVT		0x00
23 #define EDL_PATCH_VER_RES_EVT		0x19
24 #define EDL_APP_VER_RES_EVT		0x02
25 #define EDL_TVL_DNLD_RES_EVT		0x04
26 #define EDL_CMD_EXE_STATUS_EVT		0x00
27 #define EDL_SET_BAUDRATE_RSP_EVT	0x92
28 #define EDL_NVM_ACCESS_CODE_EVT		0x0B
29 #define EDL_PATCH_CONFIG_RES_EVT	0x00
30 #define QCA_DISABLE_LOGGING_SUB_OP	0x14
31 
32 #define EDL_TAG_ID_BD_ADDR		2
33 #define EDL_TAG_ID_HCI			17
34 #define EDL_TAG_ID_DEEP_SLEEP		27
35 
36 #define QCA_WCN3990_POWERON_PULSE	0xFC
37 #define QCA_WCN3990_POWEROFF_PULSE	0xC0
38 
39 #define QCA_HCI_CC_OPCODE		0xFC00
40 #define QCA_HCI_CC_SUCCESS		0x00
41 
42 #define QCA_WCN3991_SOC_ID		0x40014320
43 
44 #define QCA_WCN3950_SOC_ID_T		0x40074130
45 #define QCA_WCN3950_SOC_ID_S		0x40075130
46 
47 /* QCA chipset version can be decided by patch and SoC
48  * version, combination with upper 2 bytes from SoC
49  * and lower 2 bytes from patch will be used.
50  */
51 #define get_soc_ver(soc_id, rom_ver)	\
52 	((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver)))
53 
54 #define QCA_HSP_GF_SOC_ID		0x1200
55 #define QCA_HSP_GF_SOC_MASK		0x0000ff00
56 
57 enum qca_baudrate {
58 	QCA_BAUDRATE_115200	= 0,
59 	QCA_BAUDRATE_57600,
60 	QCA_BAUDRATE_38400,
61 	QCA_BAUDRATE_19200,
62 	QCA_BAUDRATE_9600,
63 	QCA_BAUDRATE_230400,
64 	QCA_BAUDRATE_250000,
65 	QCA_BAUDRATE_460800,
66 	QCA_BAUDRATE_500000,
67 	QCA_BAUDRATE_720000,
68 	QCA_BAUDRATE_921600,
69 	QCA_BAUDRATE_1000000,
70 	QCA_BAUDRATE_1250000,
71 	QCA_BAUDRATE_2000000,
72 	QCA_BAUDRATE_3000000,
73 	QCA_BAUDRATE_4000000,
74 	QCA_BAUDRATE_1600000,
75 	QCA_BAUDRATE_3200000,
76 	QCA_BAUDRATE_3500000,
77 	QCA_BAUDRATE_AUTO	= 0xFE,
78 	QCA_BAUDRATE_RESERVED
79 };
80 
81 enum qca_tlv_dnld_mode {
82 	QCA_SKIP_EVT_NONE,
83 	QCA_SKIP_EVT_VSE,
84 	QCA_SKIP_EVT_CC,
85 	QCA_SKIP_EVT_VSE_CC
86 };
87 
88 enum qca_tlv_type {
89 	TLV_TYPE_PATCH = 1,
90 	TLV_TYPE_NVM,
91 	ELF_TYPE_PATCH,
92 };
93 
94 struct qca_fw_config {
95 	u8 type;
96 	char fwname[64];
97 	uint8_t user_baud_rate;
98 	enum qca_tlv_dnld_mode dnld_mode;
99 	enum qca_tlv_dnld_mode dnld_type;
100 	bdaddr_t bdaddr;
101 };
102 
103 struct edl_event_hdr {
104 	__u8 cresp;
105 	__u8 rtype;
106 	__u8 data[];
107 } __packed;
108 
109 struct qca_btsoc_version {
110 	__le32 product_id;
111 	__le16 patch_ver;
112 	__le16 rom_ver;
113 	__le32 soc_id;
114 } __packed;
115 
116 struct tlv_seg_resp {
117 	__u8 result;
118 } __packed;
119 
120 struct tlv_type_patch {
121 	__le32 total_size;
122 	__le32 data_length;
123 	__u8   format_version;
124 	__u8   signature;
125 	__u8   download_mode;
126 	__u8   reserved1;
127 	__le16 product_id;
128 	__le16 rom_build;
129 	__le16 patch_version;
130 	__le16 reserved2;
131 	__le32 entry;
132 } __packed;
133 
134 struct tlv_type_nvm {
135 	__le16 tag_id;
136 	__le16 tag_len;
137 	__le32 reserve1;
138 	__le32 reserve2;
139 	__u8   data[];
140 } __packed;
141 
142 struct tlv_type_hdr {
143 	__le32 type_len;
144 	__u8   data[];
145 } __packed;
146 
147 enum qca_btsoc_type {
148 	QCA_INVALID = -1,
149 	QCA_AR3002,
150 	QCA_ROME,
151 	QCA_WCN3950,
152 	QCA_WCN3988,
153 	QCA_WCN3990,
154 	QCA_WCN3998,
155 	QCA_WCN3991,
156 	QCA_QCA2066,
157 	QCA_QCA6390,
158 	QCA_WCN6750,
159 	QCA_WCN6855,
160 	QCA_WCN7850,
161 };
162 
163 #if IS_ENABLED(CONFIG_BT_QCA)
164 
165 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
166 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
167 		   enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
168 		   const char *firmware_name, const char *rampatch_name);
169 int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
170 			 enum qca_btsoc_type);
171 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
172 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
173 #else
174 
qca_set_bdaddr_rome(struct hci_dev * hdev,const bdaddr_t * bdaddr)175 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
176 {
177 	return -EOPNOTSUPP;
178 }
179 
qca_uart_setup(struct hci_dev * hdev,uint8_t baudrate,enum qca_btsoc_type soc_type,struct qca_btsoc_version ver,const char * firmware_name,const char * rampatch_name)180 static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
181 				 enum qca_btsoc_type soc_type,
182 				 struct qca_btsoc_version ver,
183 				 const char *firmware_name,
184 				 const char *rampatch_name)
185 {
186 	return -EOPNOTSUPP;
187 }
188 
qca_read_soc_version(struct hci_dev * hdev,struct qca_btsoc_version * ver,enum qca_btsoc_type)189 static inline int qca_read_soc_version(struct hci_dev *hdev,
190 				       struct qca_btsoc_version *ver,
191 				       enum qca_btsoc_type)
192 {
193 	return -EOPNOTSUPP;
194 }
195 
qca_set_bdaddr(struct hci_dev * hdev,const bdaddr_t * bdaddr)196 static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
197 {
198 	return -EOPNOTSUPP;
199 }
200 
qca_send_pre_shutdown_cmd(struct hci_dev * hdev)201 static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
202 {
203 	return -EOPNOTSUPP;
204 }
205 #endif
206