xref: /openbmc/linux/drivers/net/wireless/ath/wil6210/fw.h (revision 0e390189)
1 /*
2  * Copyright (c) 2014,2016 Qualcomm Atheros, Inc.
3  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 #ifndef __WIL_FW_H__
18 #define __WIL_FW_H__
19 
20 #define WIL_FW_SIGNATURE (0x36323130) /* '0126' */
21 #define WIL_FW_FMT_VERSION (1) /* format version driver supports */
22 
23 enum wil_fw_record_type {
24 	wil_fw_type_comment = 1,
25 	wil_fw_type_data = 2,
26 	wil_fw_type_fill = 3,
27 	wil_fw_type_action = 4,
28 	wil_fw_type_verify = 5,
29 	wil_fw_type_file_header = 6,
30 	wil_fw_type_direct_write = 7,
31 	wil_fw_type_gateway_data = 8,
32 	wil_fw_type_gateway_data4 = 9,
33 };
34 
35 struct wil_fw_record_head {
36 	__le16 type; /* enum wil_fw_record_type */
37 	__le16 flags; /* to be defined */
38 	__le32 size; /* whole record, bytes after head */
39 } __packed;
40 
41 /* data block. write starting from @addr
42  * data_size inferred from the @head.size. For this case,
43  * data_size = @head.size - offsetof(struct wil_fw_record_data, data)
44  */
45 struct wil_fw_record_data { /* type == wil_fw_type_data */
46 	__le32 addr;
47 	__le32 data[0]; /* [data_size], see above */
48 } __packed;
49 
50 /* fill with constant @value, @size bytes starting from @addr */
51 struct wil_fw_record_fill { /* type == wil_fw_type_fill */
52 	__le32 addr;
53 	__le32 value;
54 	__le32 size;
55 } __packed;
56 
57 /* free-form comment
58  * for informational purpose, data_size is @head.size from record header
59  */
60 struct wil_fw_record_comment { /* type == wil_fw_type_comment */
61 	u8 data[0]; /* free-form data [data_size], see above */
62 } __packed;
63 
64 /* Comment header - common for all comment record types */
65 struct wil_fw_record_comment_hdr {
66 	__le32 magic;
67 };
68 
69 /* FW capabilities encoded inside a comment record */
70 #define WIL_FW_CAPABILITIES_MAGIC (0xabcddcba)
71 struct wil_fw_record_capabilities { /* type == wil_fw_type_comment */
72 	/* identifies capabilities record */
73 	struct wil_fw_record_comment_hdr hdr;
74 	/* capabilities (variable size), see enum wmi_fw_capability */
75 	u8 capabilities[0];
76 } __packed;
77 
78 /* FW VIF concurrency encoded inside a comment record
79  * Format is similar to wiphy->iface_combinations
80  */
81 #define WIL_FW_CONCURRENCY_MAGIC (0xfedccdef)
82 #define WIL_FW_CONCURRENCY_REC_VER	1
83 struct wil_fw_concurrency_limit {
84 	__le16 max; /* maximum number of interfaces of these types */
85 	__le16 types; /* interface types (bit mask of enum nl80211_iftype) */
86 } __packed;
87 
88 struct wil_fw_concurrency_combo {
89 	u8 n_limits; /* number of wil_fw_concurrency_limit entries */
90 	u8 max_interfaces; /* max number of concurrent interfaces allowed */
91 	u8 n_diff_channels; /* total number of different channels allowed */
92 	u8 same_bi; /* for APs, 1 if all APs must have same BI */
93 	/* keep last - concurrency limits, variable size by n_limits */
94 	struct wil_fw_concurrency_limit limits[0];
95 } __packed;
96 
97 struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */
98 	/* identifies concurrency record */
99 	__le32 magic;
100 	/* structure version, currently always 1 */
101 	u8 version;
102 	/* maximum number of supported MIDs _in addition_ to MID 0 */
103 	u8 n_mids;
104 	/* number of concurrency combinations that follow */
105 	__le16 n_combos;
106 	/* keep last - combinations, variable size by n_combos */
107 	struct wil_fw_concurrency_combo combos[0];
108 } __packed;
109 
110 /* brd file info encoded inside a comment record */
111 #define WIL_BRD_FILE_MAGIC (0xabcddcbb)
112 
113 struct brd_info {
114 	__le32 base_addr;
115 	__le32 max_size_bytes;
116 } __packed;
117 
118 struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */
119 	/* identifies brd file record */
120 	struct wil_fw_record_comment_hdr hdr;
121 	__le32 version;
122 	struct brd_info brd_info[0];
123 } __packed;
124 
125 /* perform action
126  * data_size = @head.size - offsetof(struct wil_fw_record_action, data)
127  */
128 struct wil_fw_record_action { /* type == wil_fw_type_action */
129 	__le32 action; /* action to perform: reset, wait for fw ready etc. */
130 	__le32 data[0]; /* action specific, [data_size], see above */
131 } __packed;
132 
133 /* data block for struct wil_fw_record_direct_write */
134 struct wil_fw_data_dwrite {
135 	__le32 addr;
136 	__le32 value;
137 	__le32 mask;
138 } __packed;
139 
140 /* write @value to the @addr,
141  * preserve original bits accordingly to the @mask
142  * data_size is @head.size where @head is record header
143  */
144 struct wil_fw_record_direct_write { /* type == wil_fw_type_direct_write */
145 	struct wil_fw_data_dwrite data[0];
146 } __packed;
147 
148 /* verify condition: [@addr] & @mask == @value
149  * if condition not met, firmware download fails
150  */
151 struct wil_fw_record_verify { /* type == wil_fw_verify */
152 	__le32 addr; /* read from this address */
153 	__le32 value; /* reference value */
154 	__le32 mask; /* mask for verification */
155 } __packed;
156 
157 /* file header
158  * First record of every file
159  */
160 /* the FW version prefix in the comment */
161 #define WIL_FW_VERSION_PREFIX "FW version: "
162 #define WIL_FW_VERSION_PREFIX_LEN (sizeof(WIL_FW_VERSION_PREFIX) - 1)
163 struct wil_fw_record_file_header {
164 	__le32 signature ; /* Wilocity signature */
165 	__le32 reserved;
166 	__le32 crc; /* crc32 of the following data  */
167 	__le32 version; /* format version */
168 	__le32 data_len; /* total data in file, including this record */
169 	u8 comment[32]; /* short description */
170 } __packed;
171 
172 /* 1-dword gateway */
173 /* data block for the struct wil_fw_record_gateway_data */
174 struct wil_fw_data_gw {
175 	__le32 addr;
176 	__le32 value;
177 } __packed;
178 
179 /* gateway write block.
180  * write starting address and values from the data buffer
181  * through the gateway
182  * data_size inferred from the @head.size. For this case,
183  * data_size = @head.size - offsetof(struct wil_fw_record_gateway_data, data)
184  */
185 struct wil_fw_record_gateway_data { /* type == wil_fw_type_gateway_data */
186 	__le32 gateway_addr_addr;
187 	__le32 gateway_value_addr;
188 	__le32 gateway_cmd_addr;
189 	__le32 gateway_ctrl_address;
190 #define WIL_FW_GW_CTL_BUSY	BIT(29) /* gateway busy performing operation */
191 #define WIL_FW_GW_CTL_RUN	BIT(30) /* start gateway operation */
192 	__le32 command;
193 	struct wil_fw_data_gw data[0]; /* total size [data_size], see above */
194 } __packed;
195 
196 /* 4-dword gateway */
197 /* data block for the struct wil_fw_record_gateway_data4 */
198 struct wil_fw_data_gw4 {
199 	__le32 addr;
200 	__le32 value[4];
201 } __packed;
202 
203 /* gateway write block.
204  * write starting address and values from the data buffer
205  * through the gateway
206  * data_size inferred from the @head.size. For this case,
207  * data_size = @head.size - offsetof(struct wil_fw_record_gateway_data4, data)
208  */
209 struct wil_fw_record_gateway_data4 { /* type == wil_fw_type_gateway_data4 */
210 	__le32 gateway_addr_addr;
211 	__le32 gateway_value_addr[4];
212 	__le32 gateway_cmd_addr;
213 	__le32 gateway_ctrl_address; /* same logic as for 1-dword gw */
214 	__le32 command;
215 	struct wil_fw_data_gw4 data[0]; /* total size [data_size], see above */
216 } __packed;
217 
218 #endif /* __WIL_FW_H__ */
219