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 - 2012 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 - 2012 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>
69 #include "iwl-trans.h"
70 #include "iwl-shared.h"
71 #include "iwl-op-mode.h"
72 #include "iwl-agn-hw.h"
74 /* private includes */
75 #include "iwl-fw-file.h"
78 * struct iwl_drv - drv common data
79 * @fw: the iwl_fw structure
80 * @shrd: pointer to common shared structure
81 * @op_mode: the running op_mode
82 * @fw_index: firmware revision to try loading
83 * @firmware_name: composite filename of ucode file to load
84 * @request_firmware_complete: the firmware has been obtained from user space
89 struct iwl_shared
*shrd
;
90 struct iwl_op_mode
*op_mode
;
91 struct iwl_trans
*trans
;
93 int fw_index
; /* firmware we're trying to load */
94 char firmware_name
[25]; /* name of firmware file to load */
96 struct completion request_firmware_complete
;
102 * struct fw_sec: Just for the image parsing proccess.
103 * For the fw storage we are using struct fw_desc.
106 const void *data
; /* the sec data */
107 size_t size
; /* section size */
108 u32 offset
; /* offset of writing in the device */
111 static void iwl_free_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
)
114 dma_free_coherent(trans(drv
)->dev
, desc
->len
,
115 desc
->v_addr
, desc
->p_addr
);
120 static void iwl_free_fw_img(struct iwl_drv
*drv
, struct fw_img
*img
)
123 for (i
= 0; i
< IWL_UCODE_SECTION_MAX
; i
++)
124 iwl_free_fw_desc(drv
, &img
->sec
[i
]);
127 static void iwl_dealloc_ucode(struct iwl_drv
*drv
)
130 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
131 iwl_free_fw_img(drv
, drv
->fw
.img
+ i
);
134 static int iwl_alloc_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
,
137 if (!sec
|| !sec
->size
) {
142 desc
->v_addr
= dma_alloc_coherent(trans(drv
)->dev
, sec
->size
,
143 &desc
->p_addr
, GFP_KERNEL
);
147 desc
->len
= sec
->size
;
148 desc
->offset
= sec
->offset
;
149 memcpy(desc
->v_addr
, sec
->data
, sec
->size
);
153 static void iwl_ucode_callback(const struct firmware
*ucode_raw
, void *context
);
155 #define UCODE_EXPERIMENTAL_INDEX 100
156 #define UCODE_EXPERIMENTAL_TAG "exp"
158 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
160 const struct iwl_cfg
*cfg
= cfg(drv
);
161 const char *name_pre
= cfg
->fw_name_pre
;
165 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
166 drv
->fw_index
= UCODE_EXPERIMENTAL_INDEX
;
167 strcpy(tag
, UCODE_EXPERIMENTAL_TAG
);
168 } else if (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
) {
170 drv
->fw_index
= cfg
->ucode_api_max
;
171 sprintf(tag
, "%d", drv
->fw_index
);
174 sprintf(tag
, "%d", drv
->fw_index
);
177 if (drv
->fw_index
< cfg
->ucode_api_min
) {
178 IWL_ERR(drv
, "no suitable firmware found!\n");
182 sprintf(drv
->firmware_name
, "%s%s%s", name_pre
, tag
, ".ucode");
184 IWL_DEBUG_INFO(drv
, "attempting to load firmware %s'%s'\n",
185 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
186 ? "EXPERIMENTAL " : "",
189 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
191 GFP_KERNEL
, drv
, iwl_ucode_callback
);
194 struct fw_img_parsing
{
195 struct fw_sec sec
[IWL_UCODE_SECTION_MAX
];
200 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
202 struct fw_sec_parsing
{
208 * struct iwl_tlv_calib_data - parse the default calib data from TLV
210 * @ucode_type: the uCode to which the following default calib relates.
211 * @calib: default calibrations.
213 struct iwl_tlv_calib_data
{
218 struct iwl_firmware_pieces
{
219 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
221 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
222 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
226 * These functions are just to extract uCode section data from the pieces
229 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
230 enum iwl_ucode_type type
,
233 return &pieces
->img
[type
].sec
[sec
];
236 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
237 enum iwl_ucode_type type
,
241 pieces
->img
[type
].sec
[sec
].data
= data
;
244 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
245 enum iwl_ucode_type type
,
249 pieces
->img
[type
].sec
[sec
].size
= size
;
252 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
253 enum iwl_ucode_type type
,
256 return pieces
->img
[type
].sec
[sec
].size
;
259 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
260 enum iwl_ucode_type type
,
264 pieces
->img
[type
].sec
[sec
].offset
= offset
;
268 * Gets uCode section from tlv.
270 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
271 const void *data
, enum iwl_ucode_type type
,
274 struct fw_img_parsing
*img
;
276 struct fw_sec_parsing
*sec_parse
;
278 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
281 sec_parse
= (struct fw_sec_parsing
*)data
;
283 img
= &pieces
->img
[type
];
284 sec
= &img
->sec
[img
->sec_counter
];
286 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
287 sec
->data
= sec_parse
->data
;
288 sec
->size
= size
- sizeof(sec_parse
->offset
);
295 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
297 struct iwl_tlv_calib_data
*def_calib
=
298 (struct iwl_tlv_calib_data
*)data
;
299 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
300 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
301 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
305 drv
->fw
.default_calib
[ucode_type
] = le64_to_cpu(def_calib
->calib
);
309 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
310 const struct firmware
*ucode_raw
,
311 struct iwl_firmware_pieces
*pieces
)
313 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
314 u32 api_ver
, hdr_size
, build
;
318 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
319 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
324 if (ucode_raw
->size
< hdr_size
) {
325 IWL_ERR(drv
, "File size too small!\n");
328 build
= le32_to_cpu(ucode
->u
.v2
.build
);
329 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
330 le32_to_cpu(ucode
->u
.v2
.inst_size
));
331 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
332 le32_to_cpu(ucode
->u
.v2
.data_size
));
333 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
334 le32_to_cpu(ucode
->u
.v2
.init_size
));
335 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
336 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
337 src
= ucode
->u
.v2
.data
;
343 if (ucode_raw
->size
< hdr_size
) {
344 IWL_ERR(drv
, "File size too small!\n");
348 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
349 le32_to_cpu(ucode
->u
.v1
.inst_size
));
350 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
351 le32_to_cpu(ucode
->u
.v1
.data_size
));
352 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
353 le32_to_cpu(ucode
->u
.v1
.init_size
));
354 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
355 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
356 src
= ucode
->u
.v1
.data
;
361 sprintf(buildstr
, " build %u%s", build
,
362 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
367 snprintf(drv
->fw
.fw_version
,
368 sizeof(drv
->fw
.fw_version
),
370 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
371 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
372 IWL_UCODE_API(drv
->fw
.ucode_ver
),
373 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
376 /* Verify size of file vs. image size info in file's header */
378 if (ucode_raw
->size
!= hdr_size
+
379 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
380 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
381 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
382 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
385 "uCode file size %d does not match expected size\n",
386 (int)ucode_raw
->size
);
391 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
392 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
393 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
394 IWLAGN_RTC_INST_LOWER_BOUND
);
395 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
396 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
397 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
398 IWLAGN_RTC_DATA_LOWER_BOUND
);
399 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
400 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
401 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
402 IWLAGN_RTC_INST_LOWER_BOUND
);
403 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
404 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
405 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
406 IWLAGN_RTC_DATA_LOWER_BOUND
);
410 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
411 const struct firmware
*ucode_raw
,
412 struct iwl_firmware_pieces
*pieces
,
413 struct iwl_ucode_capabilities
*capa
)
415 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
416 struct iwl_ucode_tlv
*tlv
;
417 size_t len
= ucode_raw
->size
;
420 enum iwl_ucode_tlv_type tlv_type
;
425 if (len
< sizeof(*ucode
)) {
426 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
430 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
431 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
432 le32_to_cpu(ucode
->magic
));
436 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
437 build
= le32_to_cpu(ucode
->build
);
440 sprintf(buildstr
, " build %u%s", build
,
441 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
446 snprintf(drv
->fw
.fw_version
,
447 sizeof(drv
->fw
.fw_version
),
449 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
450 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
451 IWL_UCODE_API(drv
->fw
.ucode_ver
),
452 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
457 len
-= sizeof(*ucode
);
459 while (len
>= sizeof(*tlv
)) {
463 tlv_len
= le32_to_cpu(tlv
->length
);
464 tlv_type
= le32_to_cpu(tlv
->type
);
465 tlv_data
= tlv
->data
;
468 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
472 len
-= ALIGN(tlv_len
, 4);
473 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
476 case IWL_UCODE_TLV_INST
:
477 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
478 IWL_UCODE_SECTION_INST
, tlv_data
);
479 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
480 IWL_UCODE_SECTION_INST
, tlv_len
);
481 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
482 IWL_UCODE_SECTION_INST
,
483 IWLAGN_RTC_INST_LOWER_BOUND
);
485 case IWL_UCODE_TLV_DATA
:
486 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
487 IWL_UCODE_SECTION_DATA
, tlv_data
);
488 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
489 IWL_UCODE_SECTION_DATA
, tlv_len
);
490 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
491 IWL_UCODE_SECTION_DATA
,
492 IWLAGN_RTC_DATA_LOWER_BOUND
);
494 case IWL_UCODE_TLV_INIT
:
495 set_sec_data(pieces
, IWL_UCODE_INIT
,
496 IWL_UCODE_SECTION_INST
, tlv_data
);
497 set_sec_size(pieces
, IWL_UCODE_INIT
,
498 IWL_UCODE_SECTION_INST
, tlv_len
);
499 set_sec_offset(pieces
, IWL_UCODE_INIT
,
500 IWL_UCODE_SECTION_INST
,
501 IWLAGN_RTC_INST_LOWER_BOUND
);
503 case IWL_UCODE_TLV_INIT_DATA
:
504 set_sec_data(pieces
, IWL_UCODE_INIT
,
505 IWL_UCODE_SECTION_DATA
, tlv_data
);
506 set_sec_size(pieces
, IWL_UCODE_INIT
,
507 IWL_UCODE_SECTION_DATA
, tlv_len
);
508 set_sec_offset(pieces
, IWL_UCODE_INIT
,
509 IWL_UCODE_SECTION_DATA
,
510 IWLAGN_RTC_DATA_LOWER_BOUND
);
512 case IWL_UCODE_TLV_BOOT
:
513 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
515 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
516 if (tlv_len
!= sizeof(u32
))
517 goto invalid_tlv_len
;
518 capa
->max_probe_length
=
519 le32_to_cpup((__le32
*)tlv_data
);
521 case IWL_UCODE_TLV_PAN
:
523 goto invalid_tlv_len
;
524 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
526 case IWL_UCODE_TLV_FLAGS
:
527 /* must be at least one u32 */
528 if (tlv_len
< sizeof(u32
))
529 goto invalid_tlv_len
;
530 /* and a proper number of u32s */
531 if (tlv_len
% sizeof(u32
))
532 goto invalid_tlv_len
;
534 * This driver only reads the first u32 as
535 * right now no more features are defined,
536 * if that changes then either the driver
537 * will not work with the new firmware, or
538 * it'll not take advantage of new features.
540 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
542 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
543 if (tlv_len
!= sizeof(u32
))
544 goto invalid_tlv_len
;
545 pieces
->init_evtlog_ptr
=
546 le32_to_cpup((__le32
*)tlv_data
);
548 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
549 if (tlv_len
!= sizeof(u32
))
550 goto invalid_tlv_len
;
551 pieces
->init_evtlog_size
=
552 le32_to_cpup((__le32
*)tlv_data
);
554 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
555 if (tlv_len
!= sizeof(u32
))
556 goto invalid_tlv_len
;
557 pieces
->init_errlog_ptr
=
558 le32_to_cpup((__le32
*)tlv_data
);
560 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
561 if (tlv_len
!= sizeof(u32
))
562 goto invalid_tlv_len
;
563 pieces
->inst_evtlog_ptr
=
564 le32_to_cpup((__le32
*)tlv_data
);
566 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
567 if (tlv_len
!= sizeof(u32
))
568 goto invalid_tlv_len
;
569 pieces
->inst_evtlog_size
=
570 le32_to_cpup((__le32
*)tlv_data
);
572 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
573 if (tlv_len
!= sizeof(u32
))
574 goto invalid_tlv_len
;
575 pieces
->inst_errlog_ptr
=
576 le32_to_cpup((__le32
*)tlv_data
);
578 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
580 goto invalid_tlv_len
;
581 drv
->fw
.enhance_sensitivity_table
= true;
583 case IWL_UCODE_TLV_WOWLAN_INST
:
584 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
585 IWL_UCODE_SECTION_INST
, tlv_data
);
586 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
587 IWL_UCODE_SECTION_INST
, tlv_len
);
588 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
589 IWL_UCODE_SECTION_INST
,
590 IWLAGN_RTC_INST_LOWER_BOUND
);
592 case IWL_UCODE_TLV_WOWLAN_DATA
:
593 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
594 IWL_UCODE_SECTION_DATA
, tlv_data
);
595 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
596 IWL_UCODE_SECTION_DATA
, tlv_len
);
597 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
598 IWL_UCODE_SECTION_DATA
,
599 IWLAGN_RTC_DATA_LOWER_BOUND
);
601 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
602 if (tlv_len
!= sizeof(u32
))
603 goto invalid_tlv_len
;
604 capa
->standard_phy_calibration_size
=
605 le32_to_cpup((__le32
*)tlv_data
);
607 case IWL_UCODE_TLV_SEC_RT
:
608 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
610 drv
->fw
.mvm_fw
= true;
612 case IWL_UCODE_TLV_SEC_INIT
:
613 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
615 drv
->fw
.mvm_fw
= true;
617 case IWL_UCODE_TLV_SEC_WOWLAN
:
618 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
620 drv
->fw
.mvm_fw
= true;
622 case IWL_UCODE_TLV_DEF_CALIB
:
623 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
624 goto invalid_tlv_len
;
625 if (iwl_set_default_calib(drv
, tlv_data
))
628 case IWL_UCODE_TLV_PHY_SKU
:
629 if (tlv_len
!= sizeof(u32
))
630 goto invalid_tlv_len
;
631 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
634 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
640 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
641 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
648 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
650 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
655 static int alloc_pci_desc(struct iwl_drv
*drv
,
656 struct iwl_firmware_pieces
*pieces
,
657 enum iwl_ucode_type type
)
661 i
< IWL_UCODE_SECTION_MAX
&& get_sec_size(pieces
, type
, i
);
663 if (iwl_alloc_fw_desc(drv
, &(drv
->fw
.img
[type
].sec
[i
]),
664 get_sec(pieces
, type
, i
)))
669 static int validate_sec_sizes(struct iwl_drv
*drv
,
670 struct iwl_firmware_pieces
*pieces
,
671 const struct iwl_cfg
*cfg
)
673 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %Zd\n",
674 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
675 IWL_UCODE_SECTION_INST
));
676 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %Zd\n",
677 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
678 IWL_UCODE_SECTION_DATA
));
679 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %Zd\n",
680 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
681 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %Zd\n",
682 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
684 /* Verify that uCode images will fit in card's SRAM. */
685 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
686 cfg
->max_inst_size
) {
687 IWL_ERR(drv
, "uCode instr len %Zd too large to fit in\n",
688 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
689 IWL_UCODE_SECTION_INST
));
693 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
694 cfg
->max_data_size
) {
695 IWL_ERR(drv
, "uCode data len %Zd too large to fit in\n",
696 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
697 IWL_UCODE_SECTION_DATA
));
701 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
702 cfg
->max_inst_size
) {
703 IWL_ERR(drv
, "uCode init instr len %Zd too large to fit in\n",
704 get_sec_size(pieces
, IWL_UCODE_INIT
,
705 IWL_UCODE_SECTION_INST
));
709 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
710 cfg
->max_data_size
) {
711 IWL_ERR(drv
, "uCode init data len %Zd too large to fit in\n",
712 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
713 IWL_UCODE_SECTION_DATA
));
721 * iwl_ucode_callback - callback when firmware was loaded
723 * If loaded successfully, copies the firmware into buffers
724 * for the card to fetch (via DMA).
726 static void iwl_ucode_callback(const struct firmware
*ucode_raw
, void *context
)
728 struct iwl_drv
*drv
= context
;
729 const struct iwl_cfg
*cfg
= cfg(drv
);
730 struct iwl_fw
*fw
= &drv
->fw
;
731 struct iwl_ucode_header
*ucode
;
733 struct iwl_firmware_pieces pieces
;
734 const unsigned int api_max
= cfg
->ucode_api_max
;
735 unsigned int api_ok
= cfg
->ucode_api_ok
;
736 const unsigned int api_min
= cfg
->ucode_api_min
;
740 fw
->ucode_capa
.max_probe_length
= 200;
741 fw
->ucode_capa
.standard_phy_calibration_size
=
742 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
747 memset(&pieces
, 0, sizeof(pieces
));
750 if (drv
->fw_index
<= api_ok
)
752 "request for firmware file '%s' failed.\n",
757 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
758 drv
->firmware_name
, ucode_raw
->size
);
760 /* Make sure that we got at least the API version number */
761 if (ucode_raw
->size
< 4) {
762 IWL_ERR(drv
, "File size way too small!\n");
766 /* Data from ucode file: header followed by uCode images */
767 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
770 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, &pieces
);
772 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, &pieces
,
778 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
781 * api_ver should match the api version forming part of the
782 * firmware filename ... but we don't check for that and only rely
783 * on the API version read from firmware header from here on forward
785 /* no api version check required for experimental uCode */
786 if (drv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
787 if (api_ver
< api_min
|| api_ver
> api_max
) {
789 "Driver unable to support your firmware API. "
790 "Driver supports v%u, firmware is v%u.\n",
795 if (api_ver
< api_ok
) {
796 if (api_ok
!= api_max
)
797 IWL_ERR(drv
, "Firmware has old API version, "
798 "expected v%u through v%u, got v%u.\n",
799 api_ok
, api_max
, api_ver
);
801 IWL_ERR(drv
, "Firmware has old API version, "
802 "expected v%u, got v%u.\n",
804 IWL_ERR(drv
, "New firmware can be obtained from "
805 "http://www.intellinuxwireless.org/.\n");
809 IWL_INFO(drv
, "loaded firmware version %s", drv
->fw
.fw_version
);
812 * In mvm uCode there is no difference between data and instructions
815 if (!fw
->mvm_fw
&& validate_sec_sizes(drv
, &pieces
, cfg
))
818 /* Allocate ucode buffers for card's bus-master loading ... */
820 /* Runtime instructions and 2 copies of data:
821 * 1) unmodified from disk
822 * 2) backup cache for save/restore during power-downs */
823 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
824 if (alloc_pci_desc(drv
, &pieces
, i
))
827 /* Now that we can no longer fail, copy information */
830 * The (size - 16) / 12 formula is based on the information recorded
831 * for each event, which is of mode 1 (including timestamp) for all
832 * new microcodes that include this information.
834 fw
->init_evtlog_ptr
= pieces
.init_evtlog_ptr
;
835 if (pieces
.init_evtlog_size
)
836 fw
->init_evtlog_size
= (pieces
.init_evtlog_size
- 16)/12;
838 fw
->init_evtlog_size
=
839 cfg
->base_params
->max_event_log_size
;
840 fw
->init_errlog_ptr
= pieces
.init_errlog_ptr
;
841 fw
->inst_evtlog_ptr
= pieces
.inst_evtlog_ptr
;
842 if (pieces
.inst_evtlog_size
)
843 fw
->inst_evtlog_size
= (pieces
.inst_evtlog_size
- 16)/12;
845 fw
->inst_evtlog_size
=
846 cfg
->base_params
->max_event_log_size
;
847 fw
->inst_errlog_ptr
= pieces
.inst_errlog_ptr
;
850 * figure out the offset of chain noise reset and gain commands
851 * base on the size of standard phy calibration commands table size
853 if (fw
->ucode_capa
.standard_phy_calibration_size
>
854 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
855 fw
->ucode_capa
.standard_phy_calibration_size
=
856 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
858 /* We have our copies now, allow OS release its copies */
859 release_firmware(ucode_raw
);
860 complete(&drv
->request_firmware_complete
);
862 drv
->op_mode
= iwl_dvm_ops
.start(drv
->trans
, &drv
->fw
);
870 /* try next, if any */
871 release_firmware(ucode_raw
);
872 if (iwl_request_firmware(drv
, false))
877 IWL_ERR(drv
, "failed to allocate pci memory\n");
878 iwl_dealloc_ucode(drv
);
879 release_firmware(ucode_raw
);
881 complete(&drv
->request_firmware_complete
);
882 device_release_driver(trans(drv
)->dev
);
885 struct iwl_drv
*iwl_drv_start(struct iwl_shared
*shrd
,
886 struct iwl_trans
*trans
,
887 const struct iwl_cfg
*cfg
)
894 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
896 dev_printk(KERN_ERR
, trans
->dev
, "Couldn't allocate iwl_drv");
899 /* For printing only - temporary until we change the logger */
903 init_completion(&drv
->request_firmware_complete
);
905 ret
= iwl_request_firmware(drv
, true);
908 dev_printk(KERN_ERR
, trans
->dev
, "Couldn't request the fw");
916 void iwl_drv_stop(struct iwl_drv
*drv
)
918 wait_for_completion(&drv
->request_firmware_complete
);
920 /* op_mode can be NULL if its start failed */
922 iwl_op_mode_stop(drv
->op_mode
);
924 iwl_dealloc_ucode(drv
);