xref: /openbmc/linux/drivers/bluetooth/btqca.h (revision f519f0be)
1 /*
2  *  Bluetooth supports for Qualcomm Atheros ROME chips
3  *
4  *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License version 2
8  *  as published by the Free Software Foundation
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this program; if not, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  *
19  */
20 
21 #define EDL_PATCH_CMD_OPCODE		(0xFC00)
22 #define EDL_NVM_ACCESS_OPCODE		(0xFC0B)
23 #define EDL_WRITE_BD_ADDR_OPCODE	(0xFC14)
24 #define EDL_PATCH_CMD_LEN		(1)
25 #define EDL_PATCH_VER_REQ_CMD		(0x19)
26 #define EDL_PATCH_TLV_REQ_CMD		(0x1E)
27 #define EDL_NVM_ACCESS_SET_REQ_CMD	(0x01)
28 #define MAX_SIZE_PER_TLV_SEGMENT	(243)
29 
30 #define EDL_CMD_REQ_RES_EVT		(0x00)
31 #define EDL_PATCH_VER_RES_EVT		(0x19)
32 #define EDL_APP_VER_RES_EVT		(0x02)
33 #define EDL_TVL_DNLD_RES_EVT		(0x04)
34 #define EDL_CMD_EXE_STATUS_EVT		(0x00)
35 #define EDL_SET_BAUDRATE_RSP_EVT	(0x92)
36 #define EDL_NVM_ACCESS_CODE_EVT		(0x0B)
37 
38 #define EDL_TAG_ID_HCI			(17)
39 #define EDL_TAG_ID_DEEP_SLEEP		(27)
40 
41 #define QCA_WCN3990_POWERON_PULSE	0xFC
42 #define QCA_WCN3990_POWEROFF_PULSE	0xC0
43 
44 enum qca_baudrate {
45 	QCA_BAUDRATE_115200 	= 0,
46 	QCA_BAUDRATE_57600,
47 	QCA_BAUDRATE_38400,
48 	QCA_BAUDRATE_19200,
49 	QCA_BAUDRATE_9600,
50 	QCA_BAUDRATE_230400,
51 	QCA_BAUDRATE_250000,
52 	QCA_BAUDRATE_460800,
53 	QCA_BAUDRATE_500000,
54 	QCA_BAUDRATE_720000,
55 	QCA_BAUDRATE_921600,
56 	QCA_BAUDRATE_1000000,
57 	QCA_BAUDRATE_1250000,
58 	QCA_BAUDRATE_2000000,
59 	QCA_BAUDRATE_3000000,
60 	QCA_BAUDRATE_4000000,
61 	QCA_BAUDRATE_1600000,
62 	QCA_BAUDRATE_3200000,
63 	QCA_BAUDRATE_3500000,
64 	QCA_BAUDRATE_AUTO 	= 0xFE,
65 	QCA_BAUDRATE_RESERVED
66 };
67 
68 enum rome_tlv_dnld_mode {
69 	ROME_SKIP_EVT_NONE,
70 	ROME_SKIP_EVT_VSE,
71 	ROME_SKIP_EVT_CC,
72 	ROME_SKIP_EVT_VSE_CC
73 };
74 
75 enum rome_tlv_type {
76 	TLV_TYPE_PATCH = 1,
77 	TLV_TYPE_NVM
78 };
79 
80 struct rome_config {
81 	u8 type;
82 	char fwname[64];
83 	uint8_t user_baud_rate;
84 	enum rome_tlv_dnld_mode dnld_mode;
85 };
86 
87 struct edl_event_hdr {
88 	__u8 cresp;
89 	__u8 rtype;
90 	__u8 data[0];
91 } __packed;
92 
93 struct rome_version {
94 	__le32 product_id;
95 	__le16 patch_ver;
96 	__le16 rome_ver;
97 	__le32 soc_id;
98 } __packed;
99 
100 struct tlv_seg_resp {
101 	__u8 result;
102 } __packed;
103 
104 struct tlv_type_patch {
105 	__le32 total_size;
106 	__le32 data_length;
107 	__u8   format_version;
108 	__u8   signature;
109 	__u8   download_mode;
110 	__u8   reserved1;
111 	__le16 product_id;
112 	__le16 rom_build;
113 	__le16 patch_version;
114 	__le16 reserved2;
115 	__le32 entry;
116 } __packed;
117 
118 struct tlv_type_nvm {
119 	__le16 tag_id;
120 	__le16 tag_len;
121 	__le32 reserve1;
122 	__le32 reserve2;
123 	__u8   data[0];
124 } __packed;
125 
126 struct tlv_type_hdr {
127 	__le32 type_len;
128 	__u8   data[0];
129 } __packed;
130 
131 enum qca_btsoc_type {
132 	QCA_INVALID = -1,
133 	QCA_AR3002,
134 	QCA_ROME,
135 	QCA_WCN3990,
136 	QCA_WCN3998,
137 };
138 
139 #if IS_ENABLED(CONFIG_BT_QCA)
140 
141 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
142 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
143 		   enum qca_btsoc_type soc_type, u32 soc_ver);
144 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
145 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
146 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
147 {
148 	return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3998;
149 }
150 #else
151 
152 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
153 {
154 	return -EOPNOTSUPP;
155 }
156 
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 {
160 	return -EOPNOTSUPP;
161 }
162 
163 static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
164 {
165 	return -EOPNOTSUPP;
166 }
167 
168 static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
169 {
170 	return -EOPNOTSUPP;
171 }
172 
173 static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
174 {
175 	return false;
176 }
177 #endif
178