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_PATCH_CMD_LEN		(1)
24 #define EDL_PATCH_VER_REQ_CMD		(0x19)
25 #define EDL_PATCH_TLV_REQ_CMD		(0x1E)
26 #define EDL_NVM_ACCESS_SET_REQ_CMD	(0x01)
27 #define MAX_SIZE_PER_TLV_SEGMENT	(243)
28 
29 #define EDL_CMD_REQ_RES_EVT		(0x00)
30 #define EDL_PATCH_VER_RES_EVT		(0x19)
31 #define EDL_APP_VER_RES_EVT		(0x02)
32 #define EDL_TVL_DNLD_RES_EVT		(0x04)
33 #define EDL_CMD_EXE_STATUS_EVT		(0x00)
34 #define EDL_SET_BAUDRATE_RSP_EVT	(0x92)
35 #define EDL_NVM_ACCESS_CODE_EVT		(0x0B)
36 
37 #define EDL_TAG_ID_HCI			(17)
38 #define EDL_TAG_ID_DEEP_SLEEP		(27)
39 
40 #define QCA_WCN3990_POWERON_PULSE	0xFC
41 #define QCA_WCN3990_POWEROFF_PULSE	0xC0
42 
43 enum qca_bardrate {
44 	QCA_BAUDRATE_115200 	= 0,
45 	QCA_BAUDRATE_57600,
46 	QCA_BAUDRATE_38400,
47 	QCA_BAUDRATE_19200,
48 	QCA_BAUDRATE_9600,
49 	QCA_BAUDRATE_230400,
50 	QCA_BAUDRATE_250000,
51 	QCA_BAUDRATE_460800,
52 	QCA_BAUDRATE_500000,
53 	QCA_BAUDRATE_720000,
54 	QCA_BAUDRATE_921600,
55 	QCA_BAUDRATE_1000000,
56 	QCA_BAUDRATE_1250000,
57 	QCA_BAUDRATE_2000000,
58 	QCA_BAUDRATE_3000000,
59 	QCA_BAUDRATE_4000000,
60 	QCA_BAUDRATE_1600000,
61 	QCA_BAUDRATE_3200000,
62 	QCA_BAUDRATE_3500000,
63 	QCA_BAUDRATE_AUTO 	= 0xFE,
64 	QCA_BAUDRATE_RESERVED
65 };
66 
67 enum rome_tlv_dnld_mode {
68 	ROME_SKIP_EVT_NONE,
69 	ROME_SKIP_EVT_VSE,
70 	ROME_SKIP_EVT_CC,
71 	ROME_SKIP_EVT_VSE_CC
72 };
73 
74 enum rome_tlv_type {
75 	TLV_TYPE_PATCH = 1,
76 	TLV_TYPE_NVM
77 };
78 
79 struct rome_config {
80 	u8 type;
81 	char fwname[64];
82 	uint8_t user_baud_rate;
83 	enum rome_tlv_dnld_mode dnld_mode;
84 };
85 
86 struct edl_event_hdr {
87 	__u8 cresp;
88 	__u8 rtype;
89 	__u8 data[0];
90 } __packed;
91 
92 struct rome_version {
93 	__le32 product_id;
94 	__le16 patch_ver;
95 	__le16 rome_ver;
96 	__le32 soc_id;
97 } __packed;
98 
99 struct tlv_seg_resp {
100 	__u8 result;
101 } __packed;
102 
103 struct tlv_type_patch {
104 	__le32 total_size;
105 	__le32 data_length;
106 	__u8   format_version;
107 	__u8   signature;
108 	__u8   download_mode;
109 	__u8   reserved1;
110 	__le16 product_id;
111 	__le16 rom_build;
112 	__le16 patch_version;
113 	__le16 reserved2;
114 	__le32 entry;
115 } __packed;
116 
117 struct tlv_type_nvm {
118 	__le16 tag_id;
119 	__le16 tag_len;
120 	__le32 reserve1;
121 	__le32 reserve2;
122 	__u8   data[0];
123 } __packed;
124 
125 struct tlv_type_hdr {
126 	__le32 type_len;
127 	__u8   data[0];
128 } __packed;
129 
130 enum qca_btsoc_type {
131 	QCA_INVALID = -1,
132 	QCA_AR3002,
133 	QCA_ROME,
134 	QCA_WCN3990
135 };
136 
137 #if IS_ENABLED(CONFIG_BT_QCA)
138 
139 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
140 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
141 		   enum qca_btsoc_type soc_type, u32 soc_ver);
142 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
143 
144 #else
145 
qca_set_bdaddr_rome(struct hci_dev * hdev,const bdaddr_t * bdaddr)146 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
147 {
148 	return -EOPNOTSUPP;
149 }
150 
qca_uart_setup(struct hci_dev * hdev,uint8_t baudrate,enum qca_btsoc_type soc_type,u32 soc_ver)151 static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
152 				 enum qca_btsoc_type soc_type, u32 soc_ver)
153 {
154 	return -EOPNOTSUPP;
155 }
156 
qca_read_soc_version(struct hci_dev * hdev,u32 * soc_version)157 static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
158 {
159 	return -EOPNOTSUPP;
160 }
161 
162 #endif
163