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) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <linuxwifi@intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <net/mac80211.h>
67 #include "iwl-trans.h"
68 #include "iwl-op-mode.h"
70 #include "iwl-debug.h"
71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
74 #include "iwl-eeprom-parse.h"
78 #include "iwl-phy-db.h"
80 #define MVM_UCODE_ALIVE_TIMEOUT HZ
81 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
83 #define UCODE_VALID_OK cpu_to_le32(0x1)
85 struct iwl_mvm_alive_data
{
90 static inline const struct fw_img
*
91 iwl_get_ucode_image(struct iwl_mvm
*mvm
, enum iwl_ucode_type ucode_type
)
93 if (ucode_type
>= IWL_UCODE_TYPE_MAX
)
96 return &mvm
->fw
->img
[ucode_type
];
99 static int iwl_send_tx_ant_cfg(struct iwl_mvm
*mvm
, u8 valid_tx_ant
)
101 struct iwl_tx_ant_cfg_cmd tx_ant_cmd
= {
102 .valid
= cpu_to_le32(valid_tx_ant
),
105 IWL_DEBUG_FW(mvm
, "select valid tx ant: %u\n", valid_tx_ant
);
106 return iwl_mvm_send_cmd_pdu(mvm
, TX_ANT_CONFIGURATION_CMD
, 0,
107 sizeof(tx_ant_cmd
), &tx_ant_cmd
);
110 static void iwl_free_fw_paging(struct iwl_mvm
*mvm
)
114 if (!mvm
->fw_paging_db
[0].fw_paging_block
)
117 for (i
= 0; i
< NUM_OF_FW_PAGING_BLOCKS
; i
++) {
118 if (!mvm
->fw_paging_db
[i
].fw_paging_block
) {
120 "Paging: block %d already freed, continue to next page\n",
126 __free_pages(mvm
->fw_paging_db
[i
].fw_paging_block
,
127 get_order(mvm
->fw_paging_db
[i
].fw_paging_size
));
129 kfree(mvm
->trans
->paging_download_buf
);
130 memset(mvm
->fw_paging_db
, 0, sizeof(mvm
->fw_paging_db
));
133 static int iwl_fill_paging_mem(struct iwl_mvm
*mvm
, const struct fw_img
*image
)
139 * find where is the paging image start point:
140 * if CPU2 exist and it's in paging format, then the image looks like:
141 * CPU1 sections (2 or more)
142 * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2
143 * CPU2 sections (not paged)
144 * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2
145 * non paged to CPU2 paging sec
147 * CPU2 paging image (including instruction and data)
149 for (sec_idx
= 0; sec_idx
< IWL_UCODE_SECTION_MAX
; sec_idx
++) {
150 if (image
->sec
[sec_idx
].offset
== PAGING_SEPARATOR_SECTION
) {
156 if (sec_idx
>= IWL_UCODE_SECTION_MAX
) {
157 IWL_ERR(mvm
, "driver didn't find paging image\n");
158 iwl_free_fw_paging(mvm
);
162 /* copy the CSS block to the dram */
163 IWL_DEBUG_FW(mvm
, "Paging: load paging CSS to FW, sec = %d\n",
166 memcpy(page_address(mvm
->fw_paging_db
[0].fw_paging_block
),
167 image
->sec
[sec_idx
].data
,
168 mvm
->fw_paging_db
[0].fw_paging_size
);
171 "Paging: copied %d CSS bytes to first block\n",
172 mvm
->fw_paging_db
[0].fw_paging_size
);
177 * copy the paging blocks to the dram
178 * loop index start from 1 since that CSS block already copied to dram
179 * and CSS index is 0.
180 * loop stop at num_of_paging_blk since that last block is not full.
182 for (idx
= 1; idx
< mvm
->num_of_paging_blk
; idx
++) {
183 memcpy(page_address(mvm
->fw_paging_db
[idx
].fw_paging_block
),
184 image
->sec
[sec_idx
].data
+ offset
,
185 mvm
->fw_paging_db
[idx
].fw_paging_size
);
188 "Paging: copied %d paging bytes to block %d\n",
189 mvm
->fw_paging_db
[idx
].fw_paging_size
,
192 offset
+= mvm
->fw_paging_db
[idx
].fw_paging_size
;
195 /* copy the last paging block */
196 if (mvm
->num_of_pages_in_last_blk
> 0) {
197 memcpy(page_address(mvm
->fw_paging_db
[idx
].fw_paging_block
),
198 image
->sec
[sec_idx
].data
+ offset
,
199 FW_PAGING_SIZE
* mvm
->num_of_pages_in_last_blk
);
202 "Paging: copied %d pages in the last block %d\n",
203 mvm
->num_of_pages_in_last_blk
, idx
);
209 static int iwl_alloc_fw_paging_mem(struct iwl_mvm
*mvm
,
210 const struct fw_img
*image
)
215 int order
, num_of_pages
;
218 if (mvm
->fw_paging_db
[0].fw_paging_block
)
221 dma_enabled
= is_device_dma_capable(mvm
->trans
->dev
);
223 /* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */
224 BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE
) != PAGING_BLOCK_SIZE
);
226 num_of_pages
= image
->paging_mem_size
/ FW_PAGING_SIZE
;
227 mvm
->num_of_paging_blk
= ((num_of_pages
- 1) /
228 NUM_OF_PAGE_PER_GROUP
) + 1;
230 mvm
->num_of_pages_in_last_blk
=
232 NUM_OF_PAGE_PER_GROUP
* (mvm
->num_of_paging_blk
- 1);
235 "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n",
236 mvm
->num_of_paging_blk
,
237 mvm
->num_of_pages_in_last_blk
);
239 /* allocate block of 4Kbytes for paging CSS */
240 order
= get_order(FW_PAGING_SIZE
);
241 block
= alloc_pages(GFP_KERNEL
, order
);
243 /* free all the previous pages since we failed */
244 iwl_free_fw_paging(mvm
);
248 mvm
->fw_paging_db
[blk_idx
].fw_paging_block
= block
;
249 mvm
->fw_paging_db
[blk_idx
].fw_paging_size
= FW_PAGING_SIZE
;
252 phys
= dma_map_page(mvm
->trans
->dev
, block
, 0,
253 PAGE_SIZE
<< order
, DMA_BIDIRECTIONAL
);
254 if (dma_mapping_error(mvm
->trans
->dev
, phys
)) {
256 * free the previous pages and the current one since
257 * we failed to map_page.
259 iwl_free_fw_paging(mvm
);
262 mvm
->fw_paging_db
[blk_idx
].fw_paging_phys
= phys
;
264 mvm
->fw_paging_db
[blk_idx
].fw_paging_phys
= PAGING_ADDR_SIG
|
265 blk_idx
<< BLOCK_2_EXP_SIZE
;
269 "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n",
273 * allocate blocks in dram.
274 * since that CSS allocated in fw_paging_db[0] loop start from index 1
276 for (blk_idx
= 1; blk_idx
< mvm
->num_of_paging_blk
+ 1; blk_idx
++) {
277 /* allocate block of PAGING_BLOCK_SIZE (32K) */
278 order
= get_order(PAGING_BLOCK_SIZE
);
279 block
= alloc_pages(GFP_KERNEL
, order
);
281 /* free all the previous pages since we failed */
282 iwl_free_fw_paging(mvm
);
286 mvm
->fw_paging_db
[blk_idx
].fw_paging_block
= block
;
287 mvm
->fw_paging_db
[blk_idx
].fw_paging_size
= PAGING_BLOCK_SIZE
;
290 phys
= dma_map_page(mvm
->trans
->dev
, block
, 0,
293 if (dma_mapping_error(mvm
->trans
->dev
, phys
)) {
295 * free the previous pages and the current one
296 * since we failed to map_page.
298 iwl_free_fw_paging(mvm
);
301 mvm
->fw_paging_db
[blk_idx
].fw_paging_phys
= phys
;
303 mvm
->fw_paging_db
[blk_idx
].fw_paging_phys
=
305 blk_idx
<< BLOCK_2_EXP_SIZE
;
309 "Paging: allocated 32K bytes (order %d) for firmware paging.\n",
316 static int iwl_save_fw_paging(struct iwl_mvm
*mvm
,
317 const struct fw_img
*fw
)
321 ret
= iwl_alloc_fw_paging_mem(mvm
, fw
);
325 return iwl_fill_paging_mem(mvm
, fw
);
328 /* send paging cmd to FW in case CPU2 has paging image */
329 static int iwl_send_paging_cmd(struct iwl_mvm
*mvm
, const struct fw_img
*fw
)
333 struct iwl_fw_paging_cmd fw_paging_cmd
= {
335 cpu_to_le32(PAGING_CMD_IS_SECURED
|
336 PAGING_CMD_IS_ENABLED
|
337 (mvm
->num_of_pages_in_last_blk
<<
338 PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS
)),
339 .block_size
= cpu_to_le32(BLOCK_2_EXP_SIZE
),
340 .block_num
= cpu_to_le32(mvm
->num_of_paging_blk
),
343 /* loop for for all paging blocks + CSS block */
344 for (blk_idx
= 0; blk_idx
< mvm
->num_of_paging_blk
+ 1; blk_idx
++) {
346 cpu_to_le32(mvm
->fw_paging_db
[blk_idx
].fw_paging_phys
>>
348 fw_paging_cmd
.device_phy_addr
[blk_idx
] = dev_phy_addr
;
351 return iwl_mvm_send_cmd_pdu(mvm
, iwl_cmd_id(FW_PAGING_BLOCK_CMD
,
352 IWL_ALWAYS_LONG_GROUP
, 0),
353 0, sizeof(fw_paging_cmd
), &fw_paging_cmd
);
357 * Send paging item cmd to FW in case CPU2 has paging image
359 static int iwl_trans_get_paging_item(struct iwl_mvm
*mvm
)
362 struct iwl_fw_get_item_cmd fw_get_item_cmd
= {
363 .item_id
= cpu_to_le32(IWL_FW_ITEM_ID_PAGING
),
366 struct iwl_fw_get_item_resp
*item_resp
;
367 struct iwl_host_cmd cmd
= {
368 .id
= iwl_cmd_id(FW_GET_ITEM_CMD
, IWL_ALWAYS_LONG_GROUP
, 0),
369 .flags
= CMD_WANT_SKB
| CMD_SEND_IN_RFKILL
,
370 .data
= { &fw_get_item_cmd
, },
373 cmd
.len
[0] = sizeof(struct iwl_fw_get_item_cmd
);
375 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
378 "Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n",
383 item_resp
= (void *)((struct iwl_rx_packet
*)cmd
.resp_pkt
)->data
;
384 if (item_resp
->item_id
!= cpu_to_le32(IWL_FW_ITEM_ID_PAGING
)) {
386 "Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n",
387 le32_to_cpu(item_resp
->item_id
));
392 mvm
->trans
->paging_download_buf
= kzalloc(MAX_PAGING_IMAGE_SIZE
,
394 if (!mvm
->trans
->paging_download_buf
) {
398 mvm
->trans
->paging_req_addr
= le32_to_cpu(item_resp
->item_val
);
399 mvm
->trans
->paging_db
= mvm
->fw_paging_db
;
401 "Paging: got paging request address (paging_req_addr 0x%08x)\n",
402 mvm
->trans
->paging_req_addr
);
410 static bool iwl_alive_fn(struct iwl_notif_wait_data
*notif_wait
,
411 struct iwl_rx_packet
*pkt
, void *data
)
413 struct iwl_mvm
*mvm
=
414 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
415 struct iwl_mvm_alive_data
*alive_data
= data
;
416 struct mvm_alive_resp_ver1
*palive1
;
417 struct mvm_alive_resp_ver2
*palive2
;
418 struct mvm_alive_resp
*palive
;
420 if (iwl_rx_packet_payload_len(pkt
) == sizeof(*palive1
)) {
421 palive1
= (void *)pkt
->data
;
423 mvm
->support_umac_log
= false;
424 mvm
->error_event_table
=
425 le32_to_cpu(palive1
->error_event_table_ptr
);
426 mvm
->log_event_table
=
427 le32_to_cpu(palive1
->log_event_table_ptr
);
428 alive_data
->scd_base_addr
= le32_to_cpu(palive1
->scd_base_ptr
);
430 alive_data
->valid
= le16_to_cpu(palive1
->status
) ==
433 "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
434 le16_to_cpu(palive1
->status
), palive1
->ver_type
,
435 palive1
->ver_subtype
, palive1
->flags
);
436 } else if (iwl_rx_packet_payload_len(pkt
) == sizeof(*palive2
)) {
437 palive2
= (void *)pkt
->data
;
439 mvm
->error_event_table
=
440 le32_to_cpu(palive2
->error_event_table_ptr
);
441 mvm
->log_event_table
=
442 le32_to_cpu(palive2
->log_event_table_ptr
);
443 alive_data
->scd_base_addr
= le32_to_cpu(palive2
->scd_base_ptr
);
444 mvm
->umac_error_event_table
=
445 le32_to_cpu(palive2
->error_info_addr
);
446 mvm
->sf_space
.addr
= le32_to_cpu(palive2
->st_fwrd_addr
);
447 mvm
->sf_space
.size
= le32_to_cpu(palive2
->st_fwrd_size
);
449 alive_data
->valid
= le16_to_cpu(palive2
->status
) ==
451 if (mvm
->umac_error_event_table
)
452 mvm
->support_umac_log
= true;
455 "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
456 le16_to_cpu(palive2
->status
), palive2
->ver_type
,
457 palive2
->ver_subtype
, palive2
->flags
);
460 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
461 palive2
->umac_major
, palive2
->umac_minor
);
462 } else if (iwl_rx_packet_payload_len(pkt
) == sizeof(*palive
)) {
463 palive
= (void *)pkt
->data
;
465 mvm
->error_event_table
=
466 le32_to_cpu(palive
->error_event_table_ptr
);
467 mvm
->log_event_table
=
468 le32_to_cpu(palive
->log_event_table_ptr
);
469 alive_data
->scd_base_addr
= le32_to_cpu(palive
->scd_base_ptr
);
470 mvm
->umac_error_event_table
=
471 le32_to_cpu(palive
->error_info_addr
);
472 mvm
->sf_space
.addr
= le32_to_cpu(palive
->st_fwrd_addr
);
473 mvm
->sf_space
.size
= le32_to_cpu(palive
->st_fwrd_size
);
475 alive_data
->valid
= le16_to_cpu(palive
->status
) ==
477 if (mvm
->umac_error_event_table
)
478 mvm
->support_umac_log
= true;
481 "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
482 le16_to_cpu(palive
->status
), palive
->ver_type
,
483 palive
->ver_subtype
, palive
->flags
);
486 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
487 le32_to_cpu(palive
->umac_major
),
488 le32_to_cpu(palive
->umac_minor
));
494 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data
*notif_wait
,
495 struct iwl_rx_packet
*pkt
, void *data
)
497 struct iwl_phy_db
*phy_db
= data
;
499 if (pkt
->hdr
.cmd
!= CALIB_RES_NOTIF_PHY_DB
) {
500 WARN_ON(pkt
->hdr
.cmd
!= INIT_COMPLETE_NOTIF
);
504 WARN_ON(iwl_phy_db_set_section(phy_db
, pkt
, GFP_ATOMIC
));
509 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm
*mvm
,
510 enum iwl_ucode_type ucode_type
)
512 struct iwl_notification_wait alive_wait
;
513 struct iwl_mvm_alive_data alive_data
;
514 const struct fw_img
*fw
;
516 enum iwl_ucode_type old_type
= mvm
->cur_ucode
;
517 static const u16 alive_cmd
[] = { MVM_ALIVE
};
518 struct iwl_sf_region st_fwrd_space
;
520 if (ucode_type
== IWL_UCODE_REGULAR
&&
521 iwl_fw_dbg_conf_usniffer(mvm
->fw
, FW_DBG_START_FROM_ALIVE
))
522 fw
= iwl_get_ucode_image(mvm
, IWL_UCODE_REGULAR_USNIFFER
);
524 fw
= iwl_get_ucode_image(mvm
, ucode_type
);
527 mvm
->cur_ucode
= ucode_type
;
528 mvm
->ucode_loaded
= false;
530 iwl_init_notification_wait(&mvm
->notif_wait
, &alive_wait
,
531 alive_cmd
, ARRAY_SIZE(alive_cmd
),
532 iwl_alive_fn
, &alive_data
);
534 ret
= iwl_trans_start_fw(mvm
->trans
, fw
, ucode_type
== IWL_UCODE_INIT
);
536 mvm
->cur_ucode
= old_type
;
537 iwl_remove_notification(&mvm
->notif_wait
, &alive_wait
);
542 * Some things may run in the background now, but we
543 * just wait for the ALIVE notification here.
545 ret
= iwl_wait_notification(&mvm
->notif_wait
, &alive_wait
,
546 MVM_UCODE_ALIVE_TIMEOUT
);
548 if (mvm
->trans
->cfg
->device_family
== IWL_DEVICE_FAMILY_8000
)
550 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
551 iwl_read_prph(mvm
->trans
, SB_CPU_1_STATUS
),
552 iwl_read_prph(mvm
->trans
, SB_CPU_2_STATUS
));
553 mvm
->cur_ucode
= old_type
;
557 if (!alive_data
.valid
) {
558 IWL_ERR(mvm
, "Loaded ucode is not valid!\n");
559 mvm
->cur_ucode
= old_type
;
564 * update the sdio allocation according to the pointer we get in the
565 * alive notification.
567 st_fwrd_space
.addr
= mvm
->sf_space
.addr
;
568 st_fwrd_space
.size
= mvm
->sf_space
.size
;
569 ret
= iwl_trans_update_sf(mvm
->trans
, &st_fwrd_space
);
571 IWL_ERR(mvm
, "Failed to update SF size. ret %d\n", ret
);
575 iwl_trans_fw_alive(mvm
->trans
, alive_data
.scd_base_addr
);
578 * configure and operate fw paging mechanism.
579 * driver configures the paging flow only once, CPU2 paging image
580 * included in the IWL_UCODE_INIT image.
582 if (fw
->paging_mem_size
) {
584 * When dma is not enabled, the driver needs to copy / write
585 * the downloaded / uploaded page to / from the smem.
586 * This gets the location of the place were the pages are
589 if (!is_device_dma_capable(mvm
->trans
->dev
)) {
590 ret
= iwl_trans_get_paging_item(mvm
);
592 IWL_ERR(mvm
, "failed to get FW paging item\n");
597 ret
= iwl_save_fw_paging(mvm
, fw
);
599 IWL_ERR(mvm
, "failed to save the FW paging image\n");
603 ret
= iwl_send_paging_cmd(mvm
, fw
);
605 IWL_ERR(mvm
, "failed to send the paging cmd\n");
606 iwl_free_fw_paging(mvm
);
612 * Note: all the queues are enabled as part of the interface
613 * initialization, but in firmware restart scenarios they
614 * could be stopped, so wake them up. In firmware restart,
615 * mac80211 will have the queues stopped as well until the
616 * reconfiguration completes. During normal startup, they
620 memset(&mvm
->queue_info
, 0, sizeof(mvm
->queue_info
));
621 mvm
->queue_info
[IWL_MVM_CMD_QUEUE
].hw_queue_refcount
= 1;
623 for (i
= 0; i
< IEEE80211_MAX_QUEUES
; i
++)
624 atomic_set(&mvm
->mac80211_queue_stop_count
[i
], 0);
626 mvm
->ucode_loaded
= true;
631 static int iwl_send_phy_cfg_cmd(struct iwl_mvm
*mvm
)
633 struct iwl_phy_cfg_cmd phy_cfg_cmd
;
634 enum iwl_ucode_type ucode_type
= mvm
->cur_ucode
;
637 phy_cfg_cmd
.phy_cfg
= cpu_to_le32(iwl_mvm_get_phy_config(mvm
));
638 phy_cfg_cmd
.calib_control
.event_trigger
=
639 mvm
->fw
->default_calib
[ucode_type
].event_trigger
;
640 phy_cfg_cmd
.calib_control
.flow_trigger
=
641 mvm
->fw
->default_calib
[ucode_type
].flow_trigger
;
643 IWL_DEBUG_INFO(mvm
, "Sending Phy CFG command: 0x%x\n",
644 phy_cfg_cmd
.phy_cfg
);
646 return iwl_mvm_send_cmd_pdu(mvm
, PHY_CONFIGURATION_CMD
, 0,
647 sizeof(phy_cfg_cmd
), &phy_cfg_cmd
);
650 int iwl_run_init_mvm_ucode(struct iwl_mvm
*mvm
, bool read_nvm
)
652 struct iwl_notification_wait calib_wait
;
653 static const u16 init_complete
[] = {
655 CALIB_RES_NOTIF_PHY_DB
659 lockdep_assert_held(&mvm
->mutex
);
661 if (WARN_ON_ONCE(mvm
->calibrating
))
664 iwl_init_notification_wait(&mvm
->notif_wait
,
667 ARRAY_SIZE(init_complete
),
668 iwl_wait_phy_db_entry
,
671 /* Will also start the device */
672 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_INIT
);
674 IWL_ERR(mvm
, "Failed to start INIT ucode: %d\n", ret
);
678 ret
= iwl_send_bt_init_conf(mvm
);
682 /* Read the NVM only at driver load time, no need to do this twice */
685 ret
= iwl_nvm_init(mvm
, true);
687 IWL_ERR(mvm
, "Failed to read NVM: %d\n", ret
);
692 /* In case we read the NVM from external file, load it to the NIC */
693 if (mvm
->nvm_file_name
)
694 iwl_mvm_load_nvm_to_nic(mvm
);
696 ret
= iwl_nvm_check_version(mvm
->nvm_data
, mvm
->trans
);
700 * abort after reading the nvm in case RF Kill is on, we will complete
701 * the init seq later when RF kill will switch to off
703 if (iwl_mvm_is_radio_hw_killed(mvm
)) {
704 IWL_DEBUG_RF_KILL(mvm
,
705 "jump over all phy activities due to RF kill\n");
706 iwl_remove_notification(&mvm
->notif_wait
, &calib_wait
);
711 mvm
->calibrating
= true;
713 /* Send TX valid antennas before triggering calibrations */
714 ret
= iwl_send_tx_ant_cfg(mvm
, iwl_mvm_get_valid_tx_ant(mvm
));
719 * Send phy configurations command to init uCode
720 * to start the 16.0 uCode init image internal calibrations.
722 ret
= iwl_send_phy_cfg_cmd(mvm
);
724 IWL_ERR(mvm
, "Failed to run INIT calibrations: %d\n",
730 * Some things may run in the background now, but we
731 * just wait for the calibration complete notification.
733 ret
= iwl_wait_notification(&mvm
->notif_wait
, &calib_wait
,
734 MVM_UCODE_CALIB_TIMEOUT
);
736 if (ret
&& iwl_mvm_is_radio_hw_killed(mvm
)) {
737 IWL_DEBUG_RF_KILL(mvm
, "RFKILL while calibrating.\n");
743 iwl_remove_notification(&mvm
->notif_wait
, &calib_wait
);
745 mvm
->calibrating
= false;
746 if (iwlmvm_mod_params
.init_dbg
&& !mvm
->nvm_data
) {
747 /* we want to debug INIT and we have no NVM - fake */
748 mvm
->nvm_data
= kzalloc(sizeof(struct iwl_nvm_data
) +
749 sizeof(struct ieee80211_channel
) +
750 sizeof(struct ieee80211_rate
),
754 mvm
->nvm_data
->bands
[0].channels
= mvm
->nvm_data
->channels
;
755 mvm
->nvm_data
->bands
[0].n_channels
= 1;
756 mvm
->nvm_data
->bands
[0].n_bitrates
= 1;
757 mvm
->nvm_data
->bands
[0].bitrates
=
758 (void *)mvm
->nvm_data
->channels
+ 1;
759 mvm
->nvm_data
->bands
[0].bitrates
->hw_value
= 10;
765 static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm
*mvm
)
767 struct iwl_host_cmd cmd
= {
768 .id
= SHARED_MEM_CFG
,
769 .flags
= CMD_WANT_SKB
,
773 struct iwl_rx_packet
*pkt
;
774 struct iwl_shared_mem_cfg
*mem_cfg
;
777 lockdep_assert_held(&mvm
->mutex
);
779 if (WARN_ON(iwl_mvm_send_cmd(mvm
, &cmd
)))
783 mem_cfg
= (void *)pkt
->data
;
785 mvm
->shared_mem_cfg
.shared_mem_addr
=
786 le32_to_cpu(mem_cfg
->shared_mem_addr
);
787 mvm
->shared_mem_cfg
.shared_mem_size
=
788 le32_to_cpu(mem_cfg
->shared_mem_size
);
789 mvm
->shared_mem_cfg
.sample_buff_addr
=
790 le32_to_cpu(mem_cfg
->sample_buff_addr
);
791 mvm
->shared_mem_cfg
.sample_buff_size
=
792 le32_to_cpu(mem_cfg
->sample_buff_size
);
793 mvm
->shared_mem_cfg
.txfifo_addr
= le32_to_cpu(mem_cfg
->txfifo_addr
);
794 for (i
= 0; i
< ARRAY_SIZE(mvm
->shared_mem_cfg
.txfifo_size
); i
++)
795 mvm
->shared_mem_cfg
.txfifo_size
[i
] =
796 le32_to_cpu(mem_cfg
->txfifo_size
[i
]);
797 for (i
= 0; i
< ARRAY_SIZE(mvm
->shared_mem_cfg
.rxfifo_size
); i
++)
798 mvm
->shared_mem_cfg
.rxfifo_size
[i
] =
799 le32_to_cpu(mem_cfg
->rxfifo_size
[i
]);
800 mvm
->shared_mem_cfg
.page_buff_addr
=
801 le32_to_cpu(mem_cfg
->page_buff_addr
);
802 mvm
->shared_mem_cfg
.page_buff_size
=
803 le32_to_cpu(mem_cfg
->page_buff_size
);
804 IWL_DEBUG_INFO(mvm
, "SHARED MEM CFG: got memory offsets/sizes\n");
809 static int iwl_mvm_config_ltr(struct iwl_mvm
*mvm
)
811 struct iwl_ltr_config_cmd cmd
= {
812 .flags
= cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE
),
815 if (!mvm
->trans
->ltr_enabled
)
818 return iwl_mvm_send_cmd_pdu(mvm
, LTR_CONFIG
, 0,
822 int iwl_mvm_up(struct iwl_mvm
*mvm
)
825 struct ieee80211_channel
*chan
;
826 struct cfg80211_chan_def chandef
;
828 lockdep_assert_held(&mvm
->mutex
);
830 ret
= iwl_trans_start_hw(mvm
->trans
);
835 * If we haven't completed the run of the init ucode during
836 * module loading, load init ucode now
837 * (for example, if we were in RFKILL)
839 ret
= iwl_run_init_mvm_ucode(mvm
, false);
840 if (ret
&& !iwlmvm_mod_params
.init_dbg
) {
841 IWL_ERR(mvm
, "Failed to run INIT ucode: %d\n", ret
);
842 /* this can't happen */
843 if (WARN_ON(ret
> 0))
847 if (!iwlmvm_mod_params
.init_dbg
) {
849 * Stop and start the transport without entering low power
850 * mode. This will save the state of other components on the
851 * device that are triggered by the INIT firwmare (MFUART).
853 _iwl_trans_stop_device(mvm
->trans
, false);
854 ret
= _iwl_trans_start_hw(mvm
->trans
, false);
859 if (iwlmvm_mod_params
.init_dbg
)
862 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_REGULAR
);
864 IWL_ERR(mvm
, "Failed to start RT ucode: %d\n", ret
);
868 iwl_mvm_get_shared_mem_conf(mvm
);
870 ret
= iwl_mvm_sf_update(mvm
, NULL
, false);
872 IWL_ERR(mvm
, "Failed to initialize Smart Fifo\n");
874 mvm
->fw_dbg_conf
= FW_DBG_INVALID
;
875 /* if we have a destination, assume EARLY START */
876 if (mvm
->fw
->dbg_dest_tlv
)
877 mvm
->fw_dbg_conf
= FW_DBG_START_FROM_ALIVE
;
878 iwl_mvm_start_fw_dbg_conf(mvm
, FW_DBG_START_FROM_ALIVE
);
880 ret
= iwl_send_tx_ant_cfg(mvm
, iwl_mvm_get_valid_tx_ant(mvm
));
884 ret
= iwl_send_bt_init_conf(mvm
);
888 /* Send phy db control command and then phy db calibration*/
889 ret
= iwl_send_phy_db_data(mvm
->phy_db
);
893 ret
= iwl_send_phy_cfg_cmd(mvm
);
897 /* init the fw <-> mac80211 STA mapping */
898 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++)
899 RCU_INIT_POINTER(mvm
->fw_id_to_mac_id
[i
], NULL
);
901 mvm
->tdls_cs
.peer
.sta_id
= IWL_MVM_STATION_COUNT
;
903 /* reset quota debouncing buffer - 0xff will yield invalid data */
904 memset(&mvm
->last_quota_cmd
, 0xff, sizeof(mvm
->last_quota_cmd
));
906 /* Add auxiliary station for scanning */
907 ret
= iwl_mvm_add_aux_sta(mvm
);
911 /* Add all the PHY contexts */
912 chan
= &mvm
->hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
]->channels
[0];
913 cfg80211_chandef_create(&chandef
, chan
, NL80211_CHAN_NO_HT
);
914 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
916 * The channel used here isn't relevant as it's
917 * going to be overwritten in the other flows.
918 * For now use the first channel we have.
920 ret
= iwl_mvm_phy_ctxt_add(mvm
, &mvm
->phy_ctxts
[i
],
926 /* Initialize tx backoffs to the minimal possible */
927 iwl_mvm_tt_tx_backoff(mvm
, 0);
929 WARN_ON(iwl_mvm_config_ltr(mvm
));
931 ret
= iwl_mvm_power_update_device(mvm
);
936 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
937 * anyway, so don't init MCC.
939 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
)) {
940 ret
= iwl_mvm_init_mcc(mvm
);
945 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
)) {
946 mvm
->scan_type
= IWL_SCAN_TYPE_NOT_SET
;
947 ret
= iwl_mvm_config_scan(mvm
);
952 if (iwl_mvm_is_csum_supported(mvm
) &&
953 mvm
->cfg
->features
& NETIF_F_RXCSUM
)
954 iwl_trans_write_prph(mvm
->trans
, RX_EN_CSUM
, 0x3);
956 /* allow FW/transport low power modes if not during restart */
957 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
958 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
960 IWL_DEBUG_INFO(mvm
, "RT uCode started.\n");
963 iwl_trans_stop_device(mvm
->trans
);
967 int iwl_mvm_load_d3_fw(struct iwl_mvm
*mvm
)
971 lockdep_assert_held(&mvm
->mutex
);
973 ret
= iwl_trans_start_hw(mvm
->trans
);
977 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_WOWLAN
);
979 IWL_ERR(mvm
, "Failed to start WoWLAN firmware: %d\n", ret
);
983 ret
= iwl_send_tx_ant_cfg(mvm
, iwl_mvm_get_valid_tx_ant(mvm
));
987 /* Send phy db control command and then phy db calibration*/
988 ret
= iwl_send_phy_db_data(mvm
->phy_db
);
992 ret
= iwl_send_phy_cfg_cmd(mvm
);
996 /* init the fw <-> mac80211 STA mapping */
997 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++)
998 RCU_INIT_POINTER(mvm
->fw_id_to_mac_id
[i
], NULL
);
1000 /* Add auxiliary station for scanning */
1001 ret
= iwl_mvm_add_aux_sta(mvm
);
1007 iwl_trans_stop_device(mvm
->trans
);
1011 void iwl_mvm_rx_card_state_notif(struct iwl_mvm
*mvm
,
1012 struct iwl_rx_cmd_buffer
*rxb
)
1014 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1015 struct iwl_card_state_notif
*card_state_notif
= (void *)pkt
->data
;
1016 u32 flags
= le32_to_cpu(card_state_notif
->flags
);
1018 IWL_DEBUG_RF_KILL(mvm
, "Card state received: HW:%s SW:%s CT:%s\n",
1019 (flags
& HW_CARD_DISABLED
) ? "Kill" : "On",
1020 (flags
& SW_CARD_DISABLED
) ? "Kill" : "On",
1021 (flags
& CT_KILL_CARD_DISABLED
) ?
1022 "Reached" : "Not reached");
1025 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm
*mvm
,
1026 struct iwl_rx_cmd_buffer
*rxb
)
1028 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1029 struct iwl_mfuart_load_notif
*mfuart_notif
= (void *)pkt
->data
;
1032 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1033 le32_to_cpu(mfuart_notif
->installed_ver
),
1034 le32_to_cpu(mfuart_notif
->external_ver
),
1035 le32_to_cpu(mfuart_notif
->status
),
1036 le32_to_cpu(mfuart_notif
->duration
));