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iwlwifi: more modularity in fw images and sections
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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
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63#ifndef __iwl_fw_file_h__
64#define __iwl_fw_file_h__
edf38334 65
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66#include <linux/netdevice.h>
67
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68/* v1/v2 uCode file layout */
69struct iwl_ucode_header {
70 __le32 ver; /* major/minor/API/serial */
71 union {
72 struct {
73 __le32 inst_size; /* bytes of runtime code */
74 __le32 data_size; /* bytes of runtime data */
75 __le32 init_size; /* bytes of init code */
76 __le32 init_data_size; /* bytes of init data */
77 __le32 boot_size; /* bytes of bootstrap code */
78 u8 data[0]; /* in same order as sizes */
79 } v1;
80 struct {
81 __le32 build; /* build number */
82 __le32 inst_size; /* bytes of runtime code */
83 __le32 data_size; /* bytes of runtime data */
84 __le32 init_size; /* bytes of init code */
85 __le32 init_data_size; /* bytes of init data */
86 __le32 boot_size; /* bytes of bootstrap code */
87 u8 data[0]; /* in same order as sizes */
88 } v2;
89 } u;
90};
91
92/*
93 * new TLV uCode file layout
94 *
95 * The new TLV file format contains TLVs, that each specify
96 * some piece of data. To facilitate "groups", for example
97 * different instruction image with different capabilities,
98 * bundled with the same init image, an alternative mechanism
99 * is provided:
100 * When the alternative field is 0, that means that the item
101 * is always valid. When it is non-zero, then it is only
102 * valid in conjunction with items of the same alternative,
103 * in which case the driver (user) selects one alternative
104 * to use.
105 */
106
107enum iwl_ucode_tlv_type {
108 IWL_UCODE_TLV_INVALID = 0, /* unused */
109 IWL_UCODE_TLV_INST = 1,
110 IWL_UCODE_TLV_DATA = 2,
111 IWL_UCODE_TLV_INIT = 3,
112 IWL_UCODE_TLV_INIT_DATA = 4,
113 IWL_UCODE_TLV_BOOT = 5,
114 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */
115 IWL_UCODE_TLV_PAN = 7,
116 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8,
117 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9,
118 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10,
119 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11,
120 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12,
121 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13,
122 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14,
123 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15,
124 IWL_UCODE_TLV_WOWLAN_INST = 16,
125 IWL_UCODE_TLV_WOWLAN_DATA = 17,
126 IWL_UCODE_TLV_FLAGS = 18,
127};
128
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129struct iwl_ucode_tlv {
130 __le16 type; /* see above */
131 __le16 alternative; /* see comment */
132 __le32 length; /* not including type/length fields */
133 u8 data[0];
134};
135
136#define IWL_TLV_UCODE_MAGIC 0x0a4c5749
137
138struct iwl_tlv_ucode_header {
139 /*
140 * The TLV style ucode header is distinguished from
141 * the v1/v2 style header by first four bytes being
142 * zero, as such is an invalid combination of
143 * major/minor/API/serial versions.
144 */
145 __le32 zero;
146 __le32 magic;
147 u8 human_readable[64];
148 __le32 ver; /* major/minor/API/serial */
149 __le32 build;
150 __le64 alternatives; /* bitmask of valid alternatives */
151 /*
152 * The data contained herein has a TLV layout,
153 * see above for the TLV header and types.
154 * Note that each TLV is padded to a length
155 * that is a multiple of 4 for alignment.
156 */
157 u8 data[0];
158};
159
3995deaf 160#endif /* __iwl_fw_file_h__ */