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1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called LICENSE.GPL. | |
26 | * | |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | *****************************************************************************/ | |
62 | ||
63 | #ifndef __iwl_ucode_h__ | |
64 | #define __iwl_ucode_h__ | |
65 | ||
66 | /* v1/v2 uCode file layout */ | |
67 | struct iwl_ucode_header { | |
68 | __le32 ver; /* major/minor/API/serial */ | |
69 | union { | |
70 | struct { | |
71 | __le32 inst_size; /* bytes of runtime code */ | |
72 | __le32 data_size; /* bytes of runtime data */ | |
73 | __le32 init_size; /* bytes of init code */ | |
74 | __le32 init_data_size; /* bytes of init data */ | |
75 | __le32 boot_size; /* bytes of bootstrap code */ | |
76 | u8 data[0]; /* in same order as sizes */ | |
77 | } v1; | |
78 | struct { | |
79 | __le32 build; /* build number */ | |
80 | __le32 inst_size; /* bytes of runtime code */ | |
81 | __le32 data_size; /* bytes of runtime data */ | |
82 | __le32 init_size; /* bytes of init code */ | |
83 | __le32 init_data_size; /* bytes of init data */ | |
84 | __le32 boot_size; /* bytes of bootstrap code */ | |
85 | u8 data[0]; /* in same order as sizes */ | |
86 | } v2; | |
87 | } u; | |
88 | }; | |
89 | ||
90 | /* | |
91 | * new TLV uCode file layout | |
92 | * | |
93 | * The new TLV file format contains TLVs, that each specify | |
94 | * some piece of data. To facilitate "groups", for example | |
95 | * different instruction image with different capabilities, | |
96 | * bundled with the same init image, an alternative mechanism | |
97 | * is provided: | |
98 | * When the alternative field is 0, that means that the item | |
99 | * is always valid. When it is non-zero, then it is only | |
100 | * valid in conjunction with items of the same alternative, | |
101 | * in which case the driver (user) selects one alternative | |
102 | * to use. | |
103 | */ | |
104 | ||
105 | enum iwl_ucode_tlv_type { | |
106 | IWL_UCODE_TLV_INVALID = 0, /* unused */ | |
107 | IWL_UCODE_TLV_INST = 1, | |
108 | IWL_UCODE_TLV_DATA = 2, | |
109 | IWL_UCODE_TLV_INIT = 3, | |
110 | IWL_UCODE_TLV_INIT_DATA = 4, | |
111 | IWL_UCODE_TLV_BOOT = 5, | |
112 | IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ | |
113 | IWL_UCODE_TLV_PAN = 7, | |
114 | IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, | |
115 | IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, | |
116 | IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, | |
117 | IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, | |
118 | IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, | |
119 | IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, | |
120 | IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, | |
121 | IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, | |
122 | IWL_UCODE_TLV_WOWLAN_INST = 16, | |
123 | IWL_UCODE_TLV_WOWLAN_DATA = 17, | |
124 | IWL_UCODE_TLV_FLAGS = 18, | |
125 | }; | |
126 | ||
127 | /** | |
128 | * enum iwl_ucode_tlv_flag - ucode API flags | |
129 | * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously | |
130 | * was a separate TLV but moved here to save space. | |
131 | * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, | |
132 | * treats good CRC threshold as a boolean | |
133 | * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). | |
134 | * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. | |
135 | */ | |
136 | enum iwl_ucode_tlv_flag { | |
137 | IWL_UCODE_TLV_FLAGS_PAN = BIT(0), | |
138 | IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), | |
139 | IWL_UCODE_TLV_FLAGS_MFP = BIT(2), | |
140 | IWL_UCODE_TLV_FLAGS_P2P = BIT(3), | |
141 | }; | |
142 | ||
143 | struct iwl_ucode_tlv { | |
144 | __le16 type; /* see above */ | |
145 | __le16 alternative; /* see comment */ | |
146 | __le32 length; /* not including type/length fields */ | |
147 | u8 data[0]; | |
148 | }; | |
149 | ||
150 | #define IWL_TLV_UCODE_MAGIC 0x0a4c5749 | |
151 | ||
152 | struct iwl_tlv_ucode_header { | |
153 | /* | |
154 | * The TLV style ucode header is distinguished from | |
155 | * the v1/v2 style header by first four bytes being | |
156 | * zero, as such is an invalid combination of | |
157 | * major/minor/API/serial versions. | |
158 | */ | |
159 | __le32 zero; | |
160 | __le32 magic; | |
161 | u8 human_readable[64]; | |
162 | __le32 ver; /* major/minor/API/serial */ | |
163 | __le32 build; | |
164 | __le64 alternatives; /* bitmask of valid alternatives */ | |
165 | /* | |
166 | * The data contained herein has a TLV layout, | |
167 | * see above for the TLV header and types. | |
168 | * Note that each TLV is padded to a length | |
169 | * that is a multiple of 4 for alignment. | |
170 | */ | |
171 | u8 data[0]; | |
172 | }; | |
173 | ||
174 | struct iwl_priv; | |
175 | ||
176 | int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first); | |
177 | ||
178 | #endif /* __iwl_ucode_h__ */ |