1 /******************************************************************************
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.
8 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
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.
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.
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,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
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
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.
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.
62 *****************************************************************************/
63 #include <linux/completion.h>
64 #include <linux/dma-mapping.h>
65 #include <linux/firmware.h>
66 #include <linux/module.h>
67 #include <linux/vmalloc.h>
70 #include "iwl-debug.h"
71 #include "iwl-trans.h"
72 #include "iwl-op-mode.h"
73 #include "iwl-agn-hw.h"
75 #include "iwl-config.h"
76 #include "iwl-modparams.h"
78 /* private includes */
79 #include "iwl-fw-file.h"
81 /******************************************************************************
85 ******************************************************************************/
88 * module name, copyright, version, etc.
90 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
92 #ifdef CONFIG_IWLWIFI_DEBUG
98 #define DRV_VERSION IWLWIFI_VERSION VD
100 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
101 MODULE_VERSION(DRV_VERSION
);
102 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
103 MODULE_LICENSE("GPL");
105 #ifdef CONFIG_IWLWIFI_DEBUGFS
106 static struct dentry
*iwl_dbgfs_root
;
110 * struct iwl_drv - drv common data
111 * @list: list of drv structures using this opmode
112 * @fw: the iwl_fw structure
113 * @op_mode: the running op_mode
114 * @trans: transport layer
115 * @dev: for debug prints only
116 * @cfg: configuration struct
117 * @fw_index: firmware revision to try loading
118 * @firmware_name: composite filename of ucode file to load
119 * @request_firmware_complete: the firmware has been obtained from user space
122 struct list_head list
;
125 struct iwl_op_mode
*op_mode
;
126 struct iwl_trans
*trans
;
128 const struct iwl_cfg
*cfg
;
130 int fw_index
; /* firmware we're trying to load */
131 char firmware_name
[25]; /* name of firmware file to load */
133 struct completion request_firmware_complete
;
135 #ifdef CONFIG_IWLWIFI_DEBUGFS
136 struct dentry
*dbgfs_drv
;
137 struct dentry
*dbgfs_trans
;
138 struct dentry
*dbgfs_op_mode
;
142 #define DVM_OP_MODE 0
143 #define MVM_OP_MODE 1
145 /* Protects the table contents, i.e. the ops pointer & drv list */
146 static struct mutex iwlwifi_opmode_table_mtx
;
147 static struct iwlwifi_opmode_table
{
148 const char *name
; /* name: iwldvm, iwlmvm, etc */
149 const struct iwl_op_mode_ops
*ops
; /* pointer to op_mode ops */
150 struct list_head drv
; /* list of devices using this op_mode */
151 } iwlwifi_opmode_table
[] = { /* ops set when driver is initialized */
152 { .name
= "iwldvm", .ops
= NULL
},
153 { .name
= "iwlmvm", .ops
= NULL
},
157 * struct fw_sec: Just for the image parsing proccess.
158 * For the fw storage we are using struct fw_desc.
161 const void *data
; /* the sec data */
162 size_t size
; /* section size */
163 u32 offset
; /* offset of writing in the device */
166 static void iwl_free_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
)
173 static void iwl_free_fw_img(struct iwl_drv
*drv
, struct fw_img
*img
)
176 for (i
= 0; i
< IWL_UCODE_SECTION_MAX
; i
++)
177 iwl_free_fw_desc(drv
, &img
->sec
[i
]);
180 static void iwl_dealloc_ucode(struct iwl_drv
*drv
)
183 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
184 iwl_free_fw_img(drv
, drv
->fw
.img
+ i
);
187 static int iwl_alloc_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
,
194 if (!sec
|| !sec
->size
)
197 data
= vmalloc(sec
->size
);
201 desc
->len
= sec
->size
;
202 desc
->offset
= sec
->offset
;
203 memcpy(data
, sec
->data
, desc
->len
);
209 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
,
212 #define UCODE_EXPERIMENTAL_INDEX 100
213 #define UCODE_EXPERIMENTAL_TAG "exp"
215 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
217 const char *name_pre
= drv
->cfg
->fw_name_pre
;
221 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
222 drv
->fw_index
= UCODE_EXPERIMENTAL_INDEX
;
223 strcpy(tag
, UCODE_EXPERIMENTAL_TAG
);
224 } else if (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
) {
226 drv
->fw_index
= drv
->cfg
->ucode_api_max
;
227 sprintf(tag
, "%d", drv
->fw_index
);
230 sprintf(tag
, "%d", drv
->fw_index
);
233 if (drv
->fw_index
< drv
->cfg
->ucode_api_min
) {
234 IWL_ERR(drv
, "no suitable firmware found!\n");
238 sprintf(drv
->firmware_name
, "%s%s%s", name_pre
, tag
, ".ucode");
240 IWL_DEBUG_INFO(drv
, "attempting to load firmware %s'%s'\n",
241 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
242 ? "EXPERIMENTAL " : "",
245 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
247 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
250 struct fw_img_parsing
{
251 struct fw_sec sec
[IWL_UCODE_SECTION_MAX
];
256 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
258 struct fw_sec_parsing
{
264 * struct iwl_tlv_calib_data - parse the default calib data from TLV
266 * @ucode_type: the uCode to which the following default calib relates.
267 * @calib: default calibrations.
269 struct iwl_tlv_calib_data
{
271 struct iwl_tlv_calib_ctrl calib
;
274 struct iwl_firmware_pieces
{
275 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
277 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
278 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
282 * These functions are just to extract uCode section data from the pieces
285 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
286 enum iwl_ucode_type type
,
289 return &pieces
->img
[type
].sec
[sec
];
292 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
293 enum iwl_ucode_type type
,
297 pieces
->img
[type
].sec
[sec
].data
= data
;
300 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
301 enum iwl_ucode_type type
,
305 pieces
->img
[type
].sec
[sec
].size
= size
;
308 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
309 enum iwl_ucode_type type
,
312 return pieces
->img
[type
].sec
[sec
].size
;
315 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
316 enum iwl_ucode_type type
,
320 pieces
->img
[type
].sec
[sec
].offset
= offset
;
324 * Gets uCode section from tlv.
326 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
327 const void *data
, enum iwl_ucode_type type
,
330 struct fw_img_parsing
*img
;
332 struct fw_sec_parsing
*sec_parse
;
334 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
337 sec_parse
= (struct fw_sec_parsing
*)data
;
339 img
= &pieces
->img
[type
];
340 sec
= &img
->sec
[img
->sec_counter
];
342 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
343 sec
->data
= sec_parse
->data
;
344 sec
->size
= size
- sizeof(sec_parse
->offset
);
351 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
353 struct iwl_tlv_calib_data
*def_calib
=
354 (struct iwl_tlv_calib_data
*)data
;
355 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
356 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
357 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
361 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
362 def_calib
->calib
.flow_trigger
;
363 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
364 def_calib
->calib
.event_trigger
;
369 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
370 const struct firmware
*ucode_raw
,
371 struct iwl_firmware_pieces
*pieces
)
373 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
374 u32 api_ver
, hdr_size
, build
;
378 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
379 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
384 if (ucode_raw
->size
< hdr_size
) {
385 IWL_ERR(drv
, "File size too small!\n");
388 build
= le32_to_cpu(ucode
->u
.v2
.build
);
389 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
390 le32_to_cpu(ucode
->u
.v2
.inst_size
));
391 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
392 le32_to_cpu(ucode
->u
.v2
.data_size
));
393 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
394 le32_to_cpu(ucode
->u
.v2
.init_size
));
395 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
396 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
397 src
= ucode
->u
.v2
.data
;
403 if (ucode_raw
->size
< hdr_size
) {
404 IWL_ERR(drv
, "File size too small!\n");
408 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
409 le32_to_cpu(ucode
->u
.v1
.inst_size
));
410 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
411 le32_to_cpu(ucode
->u
.v1
.data_size
));
412 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
413 le32_to_cpu(ucode
->u
.v1
.init_size
));
414 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
415 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
416 src
= ucode
->u
.v1
.data
;
421 sprintf(buildstr
, " build %u%s", build
,
422 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
427 snprintf(drv
->fw
.fw_version
,
428 sizeof(drv
->fw
.fw_version
),
430 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
431 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
432 IWL_UCODE_API(drv
->fw
.ucode_ver
),
433 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
436 /* Verify size of file vs. image size info in file's header */
438 if (ucode_raw
->size
!= hdr_size
+
439 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
440 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
441 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
442 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
445 "uCode file size %d does not match expected size\n",
446 (int)ucode_raw
->size
);
451 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
452 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
453 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
454 IWLAGN_RTC_INST_LOWER_BOUND
);
455 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
456 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
457 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
458 IWLAGN_RTC_DATA_LOWER_BOUND
);
459 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
460 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
461 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
462 IWLAGN_RTC_INST_LOWER_BOUND
);
463 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
464 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
465 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
466 IWLAGN_RTC_DATA_LOWER_BOUND
);
470 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
471 const struct firmware
*ucode_raw
,
472 struct iwl_firmware_pieces
*pieces
,
473 struct iwl_ucode_capabilities
*capa
)
475 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
476 struct iwl_ucode_tlv
*tlv
;
477 size_t len
= ucode_raw
->size
;
480 enum iwl_ucode_tlv_type tlv_type
;
485 if (len
< sizeof(*ucode
)) {
486 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
490 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
491 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
492 le32_to_cpu(ucode
->magic
));
496 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
497 build
= le32_to_cpu(ucode
->build
);
500 sprintf(buildstr
, " build %u%s", build
,
501 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
506 snprintf(drv
->fw
.fw_version
,
507 sizeof(drv
->fw
.fw_version
),
509 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
510 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
511 IWL_UCODE_API(drv
->fw
.ucode_ver
),
512 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
517 len
-= sizeof(*ucode
);
519 while (len
>= sizeof(*tlv
)) {
523 tlv_len
= le32_to_cpu(tlv
->length
);
524 tlv_type
= le32_to_cpu(tlv
->type
);
525 tlv_data
= tlv
->data
;
528 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
532 len
-= ALIGN(tlv_len
, 4);
533 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
536 case IWL_UCODE_TLV_INST
:
537 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
538 IWL_UCODE_SECTION_INST
, tlv_data
);
539 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
540 IWL_UCODE_SECTION_INST
, tlv_len
);
541 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
542 IWL_UCODE_SECTION_INST
,
543 IWLAGN_RTC_INST_LOWER_BOUND
);
545 case IWL_UCODE_TLV_DATA
:
546 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
547 IWL_UCODE_SECTION_DATA
, tlv_data
);
548 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
549 IWL_UCODE_SECTION_DATA
, tlv_len
);
550 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
551 IWL_UCODE_SECTION_DATA
,
552 IWLAGN_RTC_DATA_LOWER_BOUND
);
554 case IWL_UCODE_TLV_INIT
:
555 set_sec_data(pieces
, IWL_UCODE_INIT
,
556 IWL_UCODE_SECTION_INST
, tlv_data
);
557 set_sec_size(pieces
, IWL_UCODE_INIT
,
558 IWL_UCODE_SECTION_INST
, tlv_len
);
559 set_sec_offset(pieces
, IWL_UCODE_INIT
,
560 IWL_UCODE_SECTION_INST
,
561 IWLAGN_RTC_INST_LOWER_BOUND
);
563 case IWL_UCODE_TLV_INIT_DATA
:
564 set_sec_data(pieces
, IWL_UCODE_INIT
,
565 IWL_UCODE_SECTION_DATA
, tlv_data
);
566 set_sec_size(pieces
, IWL_UCODE_INIT
,
567 IWL_UCODE_SECTION_DATA
, tlv_len
);
568 set_sec_offset(pieces
, IWL_UCODE_INIT
,
569 IWL_UCODE_SECTION_DATA
,
570 IWLAGN_RTC_DATA_LOWER_BOUND
);
572 case IWL_UCODE_TLV_BOOT
:
573 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
575 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
576 if (tlv_len
!= sizeof(u32
))
577 goto invalid_tlv_len
;
578 capa
->max_probe_length
=
579 le32_to_cpup((__le32
*)tlv_data
);
581 case IWL_UCODE_TLV_PAN
:
583 goto invalid_tlv_len
;
584 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
586 case IWL_UCODE_TLV_FLAGS
:
587 /* must be at least one u32 */
588 if (tlv_len
< sizeof(u32
))
589 goto invalid_tlv_len
;
590 /* and a proper number of u32s */
591 if (tlv_len
% sizeof(u32
))
592 goto invalid_tlv_len
;
594 * This driver only reads the first u32 as
595 * right now no more features are defined,
596 * if that changes then either the driver
597 * will not work with the new firmware, or
598 * it'll not take advantage of new features.
600 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
602 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
603 if (tlv_len
!= sizeof(u32
))
604 goto invalid_tlv_len
;
605 pieces
->init_evtlog_ptr
=
606 le32_to_cpup((__le32
*)tlv_data
);
608 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
609 if (tlv_len
!= sizeof(u32
))
610 goto invalid_tlv_len
;
611 pieces
->init_evtlog_size
=
612 le32_to_cpup((__le32
*)tlv_data
);
614 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
615 if (tlv_len
!= sizeof(u32
))
616 goto invalid_tlv_len
;
617 pieces
->init_errlog_ptr
=
618 le32_to_cpup((__le32
*)tlv_data
);
620 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
621 if (tlv_len
!= sizeof(u32
))
622 goto invalid_tlv_len
;
623 pieces
->inst_evtlog_ptr
=
624 le32_to_cpup((__le32
*)tlv_data
);
626 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
627 if (tlv_len
!= sizeof(u32
))
628 goto invalid_tlv_len
;
629 pieces
->inst_evtlog_size
=
630 le32_to_cpup((__le32
*)tlv_data
);
632 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
633 if (tlv_len
!= sizeof(u32
))
634 goto invalid_tlv_len
;
635 pieces
->inst_errlog_ptr
=
636 le32_to_cpup((__le32
*)tlv_data
);
638 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
640 goto invalid_tlv_len
;
641 drv
->fw
.enhance_sensitivity_table
= true;
643 case IWL_UCODE_TLV_WOWLAN_INST
:
644 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
645 IWL_UCODE_SECTION_INST
, tlv_data
);
646 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
647 IWL_UCODE_SECTION_INST
, tlv_len
);
648 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
649 IWL_UCODE_SECTION_INST
,
650 IWLAGN_RTC_INST_LOWER_BOUND
);
652 case IWL_UCODE_TLV_WOWLAN_DATA
:
653 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
654 IWL_UCODE_SECTION_DATA
, tlv_data
);
655 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
656 IWL_UCODE_SECTION_DATA
, tlv_len
);
657 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
658 IWL_UCODE_SECTION_DATA
,
659 IWLAGN_RTC_DATA_LOWER_BOUND
);
661 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
662 if (tlv_len
!= sizeof(u32
))
663 goto invalid_tlv_len
;
664 capa
->standard_phy_calibration_size
=
665 le32_to_cpup((__le32
*)tlv_data
);
667 case IWL_UCODE_TLV_SEC_RT
:
668 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
670 drv
->fw
.mvm_fw
= true;
672 case IWL_UCODE_TLV_SEC_INIT
:
673 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
675 drv
->fw
.mvm_fw
= true;
677 case IWL_UCODE_TLV_SEC_WOWLAN
:
678 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
680 drv
->fw
.mvm_fw
= true;
682 case IWL_UCODE_TLV_DEF_CALIB
:
683 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
684 goto invalid_tlv_len
;
685 if (iwl_set_default_calib(drv
, tlv_data
))
688 case IWL_UCODE_TLV_PHY_SKU
:
689 if (tlv_len
!= sizeof(u32
))
690 goto invalid_tlv_len
;
691 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
694 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
700 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
701 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
708 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
710 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
715 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
716 struct iwl_firmware_pieces
*pieces
,
717 enum iwl_ucode_type type
)
721 i
< IWL_UCODE_SECTION_MAX
&& get_sec_size(pieces
, type
, i
);
723 if (iwl_alloc_fw_desc(drv
, &(drv
->fw
.img
[type
].sec
[i
]),
724 get_sec(pieces
, type
, i
)))
729 static int validate_sec_sizes(struct iwl_drv
*drv
,
730 struct iwl_firmware_pieces
*pieces
,
731 const struct iwl_cfg
*cfg
)
733 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %Zd\n",
734 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
735 IWL_UCODE_SECTION_INST
));
736 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %Zd\n",
737 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
738 IWL_UCODE_SECTION_DATA
));
739 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %Zd\n",
740 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
741 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %Zd\n",
742 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
744 /* Verify that uCode images will fit in card's SRAM. */
745 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
746 cfg
->max_inst_size
) {
747 IWL_ERR(drv
, "uCode instr len %Zd too large to fit in\n",
748 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
749 IWL_UCODE_SECTION_INST
));
753 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
754 cfg
->max_data_size
) {
755 IWL_ERR(drv
, "uCode data len %Zd too large to fit in\n",
756 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
757 IWL_UCODE_SECTION_DATA
));
761 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
762 cfg
->max_inst_size
) {
763 IWL_ERR(drv
, "uCode init instr len %Zd too large to fit in\n",
764 get_sec_size(pieces
, IWL_UCODE_INIT
,
765 IWL_UCODE_SECTION_INST
));
769 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
770 cfg
->max_data_size
) {
771 IWL_ERR(drv
, "uCode init data len %Zd too large to fit in\n",
772 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
773 IWL_UCODE_SECTION_DATA
));
779 static struct iwl_op_mode
*
780 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
782 const struct iwl_op_mode_ops
*ops
= op
->ops
;
783 struct dentry
*dbgfs_dir
= NULL
;
784 struct iwl_op_mode
*op_mode
= NULL
;
786 #ifdef CONFIG_IWLWIFI_DEBUGFS
787 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
789 if (!drv
->dbgfs_op_mode
) {
791 "failed to create opmode debugfs directory\n");
794 dbgfs_dir
= drv
->dbgfs_op_mode
;
797 op_mode
= ops
->start(drv
->trans
, drv
->cfg
, &drv
->fw
, dbgfs_dir
);
799 #ifdef CONFIG_IWLWIFI_DEBUGFS
801 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
802 drv
->dbgfs_op_mode
= NULL
;
809 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
811 /* op_mode can be NULL if its start failed */
813 iwl_op_mode_stop(drv
->op_mode
);
816 #ifdef CONFIG_IWLWIFI_DEBUGFS
817 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
818 drv
->dbgfs_op_mode
= NULL
;
824 * iwl_req_fw_callback - callback when firmware was loaded
826 * If loaded successfully, copies the firmware into buffers
827 * for the card to fetch (via DMA).
829 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
831 struct iwl_drv
*drv
= context
;
832 struct iwl_fw
*fw
= &drv
->fw
;
833 struct iwl_ucode_header
*ucode
;
834 struct iwlwifi_opmode_table
*op
;
836 struct iwl_firmware_pieces pieces
;
837 const unsigned int api_max
= drv
->cfg
->ucode_api_max
;
838 unsigned int api_ok
= drv
->cfg
->ucode_api_ok
;
839 const unsigned int api_min
= drv
->cfg
->ucode_api_min
;
842 bool load_module
= false;
844 fw
->ucode_capa
.max_probe_length
= 200;
845 fw
->ucode_capa
.standard_phy_calibration_size
=
846 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
851 memset(&pieces
, 0, sizeof(pieces
));
854 if (drv
->fw_index
<= api_ok
)
856 "request for firmware file '%s' failed.\n",
861 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
862 drv
->firmware_name
, ucode_raw
->size
);
864 /* Make sure that we got at least the API version number */
865 if (ucode_raw
->size
< 4) {
866 IWL_ERR(drv
, "File size way too small!\n");
870 /* Data from ucode file: header followed by uCode images */
871 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
874 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, &pieces
);
876 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, &pieces
,
882 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
885 * api_ver should match the api version forming part of the
886 * firmware filename ... but we don't check for that and only rely
887 * on the API version read from firmware header from here on forward
889 /* no api version check required for experimental uCode */
890 if (drv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
891 if (api_ver
< api_min
|| api_ver
> api_max
) {
893 "Driver unable to support your firmware API. "
894 "Driver supports v%u, firmware is v%u.\n",
899 if (api_ver
< api_ok
) {
900 if (api_ok
!= api_max
)
901 IWL_ERR(drv
, "Firmware has old API version, "
902 "expected v%u through v%u, got v%u.\n",
903 api_ok
, api_max
, api_ver
);
905 IWL_ERR(drv
, "Firmware has old API version, "
906 "expected v%u, got v%u.\n",
908 IWL_ERR(drv
, "New firmware can be obtained from "
909 "http://www.intellinuxwireless.org/.\n");
913 IWL_INFO(drv
, "loaded firmware version %s", drv
->fw
.fw_version
);
916 * In mvm uCode there is no difference between data and instructions
919 if (!fw
->mvm_fw
&& validate_sec_sizes(drv
, &pieces
, drv
->cfg
))
922 /* Allocate ucode buffers for card's bus-master loading ... */
924 /* Runtime instructions and 2 copies of data:
925 * 1) unmodified from disk
926 * 2) backup cache for save/restore during power-downs */
927 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
928 if (iwl_alloc_ucode(drv
, &pieces
, i
))
931 /* Now that we can no longer fail, copy information */
934 * The (size - 16) / 12 formula is based on the information recorded
935 * for each event, which is of mode 1 (including timestamp) for all
936 * new microcodes that include this information.
938 fw
->init_evtlog_ptr
= pieces
.init_evtlog_ptr
;
939 if (pieces
.init_evtlog_size
)
940 fw
->init_evtlog_size
= (pieces
.init_evtlog_size
- 16)/12;
942 fw
->init_evtlog_size
=
943 drv
->cfg
->base_params
->max_event_log_size
;
944 fw
->init_errlog_ptr
= pieces
.init_errlog_ptr
;
945 fw
->inst_evtlog_ptr
= pieces
.inst_evtlog_ptr
;
946 if (pieces
.inst_evtlog_size
)
947 fw
->inst_evtlog_size
= (pieces
.inst_evtlog_size
- 16)/12;
949 fw
->inst_evtlog_size
=
950 drv
->cfg
->base_params
->max_event_log_size
;
951 fw
->inst_errlog_ptr
= pieces
.inst_errlog_ptr
;
954 * figure out the offset of chain noise reset and gain commands
955 * base on the size of standard phy calibration commands table size
957 if (fw
->ucode_capa
.standard_phy_calibration_size
>
958 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
959 fw
->ucode_capa
.standard_phy_calibration_size
=
960 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
962 /* We have our copies now, allow OS release its copies */
963 release_firmware(ucode_raw
);
965 mutex_lock(&iwlwifi_opmode_table_mtx
);
966 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
968 /* add this device to the list of devices using this op_mode */
969 list_add_tail(&drv
->list
, &op
->drv
);
972 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
975 mutex_unlock(&iwlwifi_opmode_table_mtx
);
981 mutex_unlock(&iwlwifi_opmode_table_mtx
);
984 * Complete the firmware request last so that
985 * a driver unbind (stop) doesn't run while we
986 * are doing the start() above.
988 complete(&drv
->request_firmware_complete
);
991 * Load the module last so we don't block anything
992 * else from proceeding if the module fails to load
996 request_module("%s", op
->name
);
1000 /* try next, if any */
1001 release_firmware(ucode_raw
);
1002 if (iwl_request_firmware(drv
, false))
1007 IWL_ERR(drv
, "failed to allocate pci memory\n");
1008 iwl_dealloc_ucode(drv
);
1009 release_firmware(ucode_raw
);
1011 complete(&drv
->request_firmware_complete
);
1012 device_release_driver(drv
->trans
->dev
);
1015 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
,
1016 const struct iwl_cfg
*cfg
)
1018 struct iwl_drv
*drv
;
1021 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1026 drv
->dev
= trans
->dev
;
1029 init_completion(&drv
->request_firmware_complete
);
1030 INIT_LIST_HEAD(&drv
->list
);
1032 #ifdef CONFIG_IWLWIFI_DEBUGFS
1033 /* Create the device debugfs entries. */
1034 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1037 if (!drv
->dbgfs_drv
) {
1038 IWL_ERR(drv
, "failed to create debugfs directory\n");
1043 /* Create transport layer debugfs dir */
1044 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1046 if (!drv
->trans
->dbgfs_dir
) {
1047 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1049 goto err_free_dbgfs
;
1053 ret
= iwl_request_firmware(drv
, true);
1055 IWL_ERR(trans
, "Couldn't request the fw\n");
1062 #ifdef CONFIG_IWLWIFI_DEBUGFS
1064 debugfs_remove_recursive(drv
->dbgfs_drv
);
1069 return ERR_PTR(ret
);
1072 void iwl_drv_stop(struct iwl_drv
*drv
)
1074 wait_for_completion(&drv
->request_firmware_complete
);
1076 _iwl_op_mode_stop(drv
);
1078 iwl_dealloc_ucode(drv
);
1080 mutex_lock(&iwlwifi_opmode_table_mtx
);
1082 * List is empty (this item wasn't added)
1083 * when firmware loading failed -- in that
1084 * case we can't remove it from any list.
1086 if (!list_empty(&drv
->list
))
1087 list_del(&drv
->list
);
1088 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1090 #ifdef CONFIG_IWLWIFI_DEBUGFS
1091 debugfs_remove_recursive(drv
->dbgfs_drv
);
1098 /* shared module parameters */
1099 struct iwl_mod_params iwlwifi_mod_params
= {
1103 .bt_coex_active
= true,
1104 .power_level
= IWL_POWER_INDEX_1
,
1105 .bt_ch_announce
= true,
1108 /* the rest are 0 by default */
1110 EXPORT_SYMBOL_GPL(iwlwifi_mod_params
);
1112 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1115 struct iwl_drv
*drv
;
1116 struct iwlwifi_opmode_table
*op
;
1118 mutex_lock(&iwlwifi_opmode_table_mtx
);
1119 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1120 op
= &iwlwifi_opmode_table
[i
];
1121 if (strcmp(op
->name
, name
))
1124 /* TODO: need to handle exceptional case */
1125 list_for_each_entry(drv
, &op
->drv
, list
)
1126 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1128 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1131 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1134 EXPORT_SYMBOL_GPL(iwl_opmode_register
);
1136 void iwl_opmode_deregister(const char *name
)
1139 struct iwl_drv
*drv
;
1141 mutex_lock(&iwlwifi_opmode_table_mtx
);
1142 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1143 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1145 iwlwifi_opmode_table
[i
].ops
= NULL
;
1147 /* call the stop routine for all devices */
1148 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1149 _iwl_op_mode_stop(drv
);
1151 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1154 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1156 EXPORT_SYMBOL_GPL(iwl_opmode_deregister
);
1158 static int __init
iwl_drv_init(void)
1162 mutex_init(&iwlwifi_opmode_table_mtx
);
1164 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1165 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1167 pr_info(DRV_DESCRIPTION
", " DRV_VERSION
"\n");
1168 pr_info(DRV_COPYRIGHT
"\n");
1170 #ifdef CONFIG_IWLWIFI_DEBUGFS
1171 /* Create the root of iwlwifi debugfs subsystem. */
1172 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1174 if (!iwl_dbgfs_root
)
1178 return iwl_pci_register_driver();
1180 module_init(iwl_drv_init
);
1182 static void __exit
iwl_drv_exit(void)
1184 iwl_pci_unregister_driver();
1186 #ifdef CONFIG_IWLWIFI_DEBUGFS
1187 debugfs_remove_recursive(iwl_dbgfs_root
);
1190 module_exit(iwl_drv_exit
);
1192 #ifdef CONFIG_IWLWIFI_DEBUG
1193 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1195 MODULE_PARM_DESC(debug
, "debug output mask");
1198 module_param_named(swcrypto
, iwlwifi_mod_params
.sw_crypto
, int, S_IRUGO
);
1199 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1200 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1201 MODULE_PARM_DESC(11n_disable
,
1202 "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
1203 module_param_named(amsdu_size_8K
, iwlwifi_mod_params
.amsdu_size_8K
,
1205 MODULE_PARM_DESC(amsdu_size_8K
, "enable 8K amsdu size");
1206 module_param_named(fw_restart
, iwlwifi_mod_params
.restart_fw
, int, S_IRUGO
);
1207 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error");
1209 module_param_named(antenna_coupling
, iwlwifi_mod_params
.ant_coupling
,
1211 MODULE_PARM_DESC(antenna_coupling
,
1212 "specify antenna coupling in dB (defualt: 0 dB)");
1214 module_param_named(bt_ch_inhibition
, iwlwifi_mod_params
.bt_ch_announce
,
1216 MODULE_PARM_DESC(bt_ch_inhibition
,
1217 "Enable BT channel inhibition (default: enable)");
1219 module_param_named(plcp_check
, iwlwifi_mod_params
.plcp_check
, bool, S_IRUGO
);
1220 MODULE_PARM_DESC(plcp_check
, "Check plcp health (default: 1 [enabled])");
1222 module_param_named(wd_disable
, iwlwifi_mod_params
.wd_disable
, int, S_IRUGO
);
1223 MODULE_PARM_DESC(wd_disable
,
1224 "Disable stuck queue watchdog timer 0=system default, "
1225 "1=disable, 2=enable (default: 0)");
1228 * set bt_coex_active to true, uCode will do kill/defer
1229 * every time the priority line is asserted (BT is sending signals on the
1230 * priority line in the PCIx).
1231 * set bt_coex_active to false, uCode will ignore the BT activity and
1232 * perform the normal operation
1234 * User might experience transmit issue on some platform due to WiFi/BT
1235 * co-exist problem. The possible behaviors are:
1236 * Able to scan and finding all the available AP
1237 * Not able to associate with any AP
1238 * On those platforms, WiFi communication can be restored by set
1239 * "bt_coex_active" module parameter to "false"
1241 * default: bt_coex_active = true (BT_COEX_ENABLE)
1243 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1245 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1247 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1248 MODULE_PARM_DESC(led_mode
, "0=system default, "
1249 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1251 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1253 MODULE_PARM_DESC(power_save
,
1254 "enable WiFi power management (default: disable)");
1256 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1258 MODULE_PARM_DESC(power_level
,
1259 "default power save level (range from 1 - 5, default: 1)");
1261 module_param_named(auto_agg
, iwlwifi_mod_params
.auto_agg
,
1263 MODULE_PARM_DESC(auto_agg
,
1264 "enable agg w/o check traffic load (default: enable)");
1266 module_param_named(5ghz_disable
, iwlwifi_mod_params
.disable_5ghz
,
1268 MODULE_PARM_DESC(5ghz_disable
, "disable 5GHz band (default: 0 [enabled])");