1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Shared CARL9170 Header
4 *
5 * Firmware descriptor format
6 *
7 * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
8 */
9
10#ifndef __CARL9170_SHARED_FWDESC_H
11#define __CARL9170_SHARED_FWDESC_H
12
13/* NOTE: Don't mess with the order of the flags! */
14enum carl9170fw_feature_list {
15 /* Always set */
16 CARL9170FW_DUMMY_FEATURE,
17
18 /*
19 * Indicates that this image has special boot block which prevents
20 * legacy drivers to drive the firmware.
21 */
22 CARL9170FW_MINIBOOT,
23
24 /* usb registers are initialized by the firmware */
25 CARL9170FW_USB_INIT_FIRMWARE,
26
27 /* command traps & notifications are send through EP2 */
28 CARL9170FW_USB_RESP_EP2,
29
30 /* usb download (app -> fw) stream */
31 CARL9170FW_USB_DOWN_STREAM,
32
33 /* usb upload (fw -> app) stream */
34 CARL9170FW_USB_UP_STREAM,
35
36 /* unusable - reserved to flag non-functional debug firmwares */
37 CARL9170FW_UNUSABLE,
38
39 /* AR9170_CMD_RF_INIT, AR9170_CMD_FREQ_START, AR9170_CMD_FREQUENCY */
40 CARL9170FW_COMMAND_PHY,
41
42 /* AR9170_CMD_EKEY, AR9170_CMD_DKEY */
43 CARL9170FW_COMMAND_CAM,
44
45 /* Firmware has a software Content After Beacon Queueing mechanism */
46 CARL9170FW_WLANTX_CAB,
47
48 /* The firmware is capable of responding to incoming BAR frames */
49 CARL9170FW_HANDLE_BACK_REQ,
50
51 /* GPIO Interrupt | CARL9170_RSP_GPIO */
52 CARL9170FW_GPIO_INTERRUPT,
53
54 /* Firmware PSM support | CARL9170_CMD_PSM */
55 CARL9170FW_PSM,
56
57 /* Firmware RX filter | CARL9170_CMD_RX_FILTER */
58 CARL9170FW_RX_FILTER,
59
60 /* Wake up on WLAN */
61 CARL9170FW_WOL,
62
63 /* Firmware supports PSM in the 5GHZ Band */
64 CARL9170FW_FIXED_5GHZ_PSM,
65
66 /* HW (ANI, CCA, MIB) tally counters */
67 CARL9170FW_HW_COUNTERS,
68
69 /* Firmware will pass BA when BARs are queued */
70 CARL9170FW_RX_BA_FILTER,
71
72 /* Firmware has support to write a byte at a time */
73 CARL9170FW_HAS_WREGB_CMD,
74
75 /* Pattern generator */
76 CARL9170FW_PATTERN_GENERATOR,
77
78 /* KEEP LAST */
79 __CARL9170FW_FEATURE_NUM
80};
81
82#define OTUS_MAGIC "OTAR"
83#define MOTD_MAGIC "MOTD"
84#define FIX_MAGIC "FIX\0"
85#define DBG_MAGIC "DBG\0"
86#define CHK_MAGIC "CHK\0"
87#define TXSQ_MAGIC "TXSQ"
88#define WOL_MAGIC "WOL\0"
89#define LAST_MAGIC "LAST"
90
91#define CARL9170FW_SET_DAY(d) (((d) - 1) % 31)
92#define CARL9170FW_SET_MONTH(m) ((((m) - 1) % 12) * 31)
93#define CARL9170FW_SET_YEAR(y) (((y) - 10) * 372)
94
95#define CARL9170FW_GET_DAY(d) (((d) % 31) + 1)
96#define CARL9170FW_GET_MONTH(m) ((((m) / 31) % 12) + 1)
97#define CARL9170FW_GET_YEAR(y) ((y) / 372 + 10)
98
99#define CARL9170FW_MAGIC_SIZE 4
100
101struct carl9170fw_desc_head {
102 u8 magic[CARL9170FW_MAGIC_SIZE];
103 __le16 length;
104 u8 min_ver;
105 u8 cur_ver;
106} __packed;
107#define CARL9170FW_DESC_HEAD_SIZE \
108 (sizeof(struct carl9170fw_desc_head))
109
110#define CARL9170FW_OTUS_DESC_MIN_VER 6
111#define CARL9170FW_OTUS_DESC_CUR_VER 7
112struct carl9170fw_otus_desc {
113 struct carl9170fw_desc_head head;
114 __le32 feature_set;
115 __le32 fw_address;
116 __le32 bcn_addr;
117 __le16 bcn_len;
118 __le16 miniboot_size;
119 __le16 tx_frag_len;
120 __le16 rx_max_frame_len;
121 u8 tx_descs;
122 u8 cmd_bufs;
123 u8 api_ver;
124 u8 vif_num;
125} __packed;
126#define CARL9170FW_OTUS_DESC_SIZE \
127 (sizeof(struct carl9170fw_otus_desc))
128
129#define CARL9170FW_MOTD_STRING_LEN 24
130#define CARL9170FW_MOTD_RELEASE_LEN 20
131#define CARL9170FW_MOTD_DESC_MIN_VER 1
132#define CARL9170FW_MOTD_DESC_CUR_VER 2
133struct carl9170fw_motd_desc {
134 struct carl9170fw_desc_head head;
135 __le32 fw_year_month_day;
136 char desc[CARL9170FW_MOTD_STRING_LEN];
137 char release[CARL9170FW_MOTD_RELEASE_LEN];
138} __packed;
139#define CARL9170FW_MOTD_DESC_SIZE \
140 (sizeof(struct carl9170fw_motd_desc))
141
142#define CARL9170FW_FIX_DESC_MIN_VER 1
143#define CARL9170FW_FIX_DESC_CUR_VER 2
144struct carl9170fw_fix_entry {
145 __le32 address;
146 __le32 mask;
147 __le32 value;
148} __packed;
149
150struct carl9170fw_fix_desc {
151 struct carl9170fw_desc_head head;
152 struct carl9170fw_fix_entry data[];
153} __packed;
154#define CARL9170FW_FIX_DESC_SIZE \
155 (sizeof(struct carl9170fw_fix_desc))
156
157#define CARL9170FW_DBG_DESC_MIN_VER 1
158#define CARL9170FW_DBG_DESC_CUR_VER 3
159struct carl9170fw_dbg_desc {
160 struct carl9170fw_desc_head head;
161
162 __le32 bogoclock_addr;
163 __le32 counter_addr;
164 __le32 rx_total_addr;
165 __le32 rx_overrun_addr;
166 __le32 rx_filter;
167
168 /* Put your debugging definitions here */
169} __packed;
170#define CARL9170FW_DBG_DESC_SIZE \
171 (sizeof(struct carl9170fw_dbg_desc))
172
173#define CARL9170FW_CHK_DESC_MIN_VER 1
174#define CARL9170FW_CHK_DESC_CUR_VER 2
175struct carl9170fw_chk_desc {
176 struct carl9170fw_desc_head head;
177 __le32 fw_crc32;
178 __le32 hdr_crc32;
179} __packed;
180#define CARL9170FW_CHK_DESC_SIZE \
181 (sizeof(struct carl9170fw_chk_desc))
182
183#define CARL9170FW_TXSQ_DESC_MIN_VER 1
184#define CARL9170FW_TXSQ_DESC_CUR_VER 1
185struct carl9170fw_txsq_desc {
186 struct carl9170fw_desc_head head;
187
188 __le32 seq_table_addr;
189} __packed;
190#define CARL9170FW_TXSQ_DESC_SIZE \
191 (sizeof(struct carl9170fw_txsq_desc))
192
193#define CARL9170FW_WOL_DESC_MIN_VER 1
194#define CARL9170FW_WOL_DESC_CUR_VER 1
195struct carl9170fw_wol_desc {
196 struct carl9170fw_desc_head head;
197
198 __le32 supported_triggers; /* CARL9170_WOL_ */
199} __packed;
200#define CARL9170FW_WOL_DESC_SIZE \
201 (sizeof(struct carl9170fw_wol_desc))
202
203#define CARL9170FW_LAST_DESC_MIN_VER 1
204#define CARL9170FW_LAST_DESC_CUR_VER 2
205struct carl9170fw_last_desc {
206 struct carl9170fw_desc_head head;
207} __packed;
208#define CARL9170FW_LAST_DESC_SIZE \
209 (sizeof(struct carl9170fw_fix_desc))
210
211#define CARL9170FW_DESC_MAX_LENGTH 8192
212
213#define CARL9170FW_FILL_DESC(_magic, _length, _min_ver, _cur_ver) \
214 .head = { \
215 .magic = _magic, \
216 .length = cpu_to_le16(_length), \
217 .min_ver = _min_ver, \
218 .cur_ver = _cur_ver, \
219 }
220
221static inline void carl9170fw_fill_desc(struct carl9170fw_desc_head *head,
222 u8 magic[CARL9170FW_MAGIC_SIZE],
223 __le16 length, u8 min_ver, u8 cur_ver)
224{
225 head->magic[0] = magic[0];
226 head->magic[1] = magic[1];
227 head->magic[2] = magic[2];
228 head->magic[3] = magic[3];
229
230 head->length = length;
231 head->min_ver = min_ver;
232 head->cur_ver = cur_ver;
233}
234
235#define carl9170fw_for_each_hdr(desc, fw_desc) \
236 for (desc = fw_desc; \
237 memcmp(desc->magic, LAST_MAGIC, CARL9170FW_MAGIC_SIZE) && \
238 le16_to_cpu(desc->length) >= CARL9170FW_DESC_HEAD_SIZE && \
239 le16_to_cpu(desc->length) < CARL9170FW_DESC_MAX_LENGTH; \
240 desc = (void *)((unsigned long)desc + le16_to_cpu(desc->length)))
241
242#define CHECK_HDR_VERSION(head, _min_ver) \
243 (((head)->cur_ver < _min_ver) || ((head)->min_ver > _min_ver)) \
244
245static inline bool carl9170fw_supports(__le32 list, u8 feature)
246{
247 return le32_to_cpu(list) & BIT(feature);
248}
249
250static inline bool carl9170fw_desc_cmp(const struct carl9170fw_desc_head *head,
251 const u8 descid[CARL9170FW_MAGIC_SIZE],
252 u16 min_len, u8 compatible_revision)
253{
254 if (descid[0] == head->magic[0] && descid[1] == head->magic[1] &&
255 descid[2] == head->magic[2] && descid[3] == head->magic[3] &&
256 !CHECK_HDR_VERSION(head, compatible_revision) &&
257 (le16_to_cpu(head->length) >= min_len))
258 return true;
259
260 return false;
261}
262
263#define CARL9170FW_MIN_SIZE 32
264#define CARL9170FW_MAX_SIZE 16384
265
266static inline bool carl9170fw_size_check(unsigned int len)
267{
268 return (len <= CARL9170FW_MAX_SIZE && len >= CARL9170FW_MIN_SIZE);
269}
270
271#endif /* __CARL9170_SHARED_FWDESC_H */
272

source code of linux/drivers/net/wireless/ath/carl9170/fwdesc.h