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
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <net/mac80211.h>
68 #include <linux/netdevice.h>
69 #include <linux/acpi.h>
71 #include "iwl-trans.h"
72 #include "iwl-op-mode.h"
74 #include "iwl-debug.h"
75 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
76 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
78 #include "iwl-eeprom-parse.h"
82 #include "iwl-phy-db.h"
84 #define MVM_UCODE_ALIVE_TIMEOUT HZ
85 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
87 #define UCODE_VALID_OK cpu_to_le32(0x1)
89 struct iwl_mvm_alive_data {
94 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
96 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
97 .valid = cpu_to_le32(valid_tx_ant),
100 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
101 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
102 sizeof(tx_ant_cmd), &tx_ant_cmd);
105 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
108 struct iwl_rss_config_cmd cmd = {
109 .flags = cpu_to_le32(IWL_RSS_ENABLE),
110 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
111 IWL_RSS_HASH_TYPE_IPV4_UDP |
112 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
113 IWL_RSS_HASH_TYPE_IPV6_TCP |
114 IWL_RSS_HASH_TYPE_IPV6_UDP |
115 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
118 if (mvm->trans->num_rx_queues == 1)
121 /* Do not direct RSS traffic to Q 0 which is our fallback queue */
122 for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
123 cmd.indirection_table[i] =
124 1 + (i % (mvm->trans->num_rx_queues - 1));
125 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
127 return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
130 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
132 struct iwl_dqa_enable_cmd dqa_cmd = {
133 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
135 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
138 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
140 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
142 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
147 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
148 struct iwl_rx_cmd_buffer *rxb)
150 struct iwl_rx_packet *pkt = rxb_addr(rxb);
151 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
152 __le32 *dump_data = mfu_dump_notif->data;
153 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
156 if (mfu_dump_notif->index_num == 0)
157 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
158 le32_to_cpu(mfu_dump_notif->assert_id));
160 for (i = 0; i < n_words; i++)
162 "MFUART assert dump, dword %u: 0x%08x\n",
163 le16_to_cpu(mfu_dump_notif->index_num) *
165 le32_to_cpu(dump_data[i]));
168 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
169 struct iwl_rx_packet *pkt, void *data)
171 struct iwl_mvm *mvm =
172 container_of(notif_wait, struct iwl_mvm, notif_wait);
173 struct iwl_mvm_alive_data *alive_data = data;
174 struct mvm_alive_resp_v3 *palive3;
175 struct mvm_alive_resp *palive;
176 struct iwl_umac_alive *umac;
177 struct iwl_lmac_alive *lmac1;
178 struct iwl_lmac_alive *lmac2 = NULL;
181 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
182 palive = (void *)pkt->data;
183 umac = &palive->umac_data;
184 lmac1 = &palive->lmac_data[0];
185 lmac2 = &palive->lmac_data[1];
186 status = le16_to_cpu(palive->status);
188 palive3 = (void *)pkt->data;
189 umac = &palive3->umac_data;
190 lmac1 = &palive3->lmac_data;
191 status = le16_to_cpu(palive3->status);
194 mvm->error_event_table[0] = le32_to_cpu(lmac1->error_event_table_ptr);
196 mvm->error_event_table[1] =
197 le32_to_cpu(lmac2->error_event_table_ptr);
198 mvm->log_event_table = le32_to_cpu(lmac1->log_event_table_ptr);
199 mvm->sf_space.addr = le32_to_cpu(lmac1->st_fwrd_addr);
200 mvm->sf_space.size = le32_to_cpu(lmac1->st_fwrd_size);
202 mvm->umac_error_event_table = le32_to_cpu(umac->error_info_addr);
204 alive_data->scd_base_addr = le32_to_cpu(lmac1->scd_base_ptr);
205 alive_data->valid = status == IWL_ALIVE_STATUS_OK;
206 if (mvm->umac_error_event_table)
207 mvm->support_umac_log = true;
210 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
211 status, lmac1->ver_type, lmac1->ver_subtype);
214 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
217 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
218 le32_to_cpu(umac->umac_major),
219 le32_to_cpu(umac->umac_minor));
224 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
225 struct iwl_rx_packet *pkt, void *data)
227 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
232 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
233 struct iwl_rx_packet *pkt, void *data)
235 struct iwl_phy_db *phy_db = data;
237 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
238 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
242 WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
247 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
248 enum iwl_ucode_type ucode_type)
250 struct iwl_notification_wait alive_wait;
251 struct iwl_mvm_alive_data alive_data;
252 const struct fw_img *fw;
254 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
255 static const u16 alive_cmd[] = { MVM_ALIVE };
256 struct iwl_sf_region st_fwrd_space;
258 if (ucode_type == IWL_UCODE_REGULAR &&
259 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
260 !(fw_has_capa(&mvm->fw->ucode_capa,
261 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
262 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
264 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
267 iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
268 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
270 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
271 alive_cmd, ARRAY_SIZE(alive_cmd),
272 iwl_alive_fn, &alive_data);
274 ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
276 iwl_fw_set_current_image(&mvm->fwrt, old_type);
277 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
282 * Some things may run in the background now, but we
283 * just wait for the ALIVE notification here.
285 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
286 MVM_UCODE_ALIVE_TIMEOUT);
288 struct iwl_trans *trans = mvm->trans;
290 if (trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
292 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
293 iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS),
294 iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS));
295 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
297 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
298 iwl_read_prph(trans, SB_CPU_1_STATUS),
299 iwl_read_prph(trans, SB_CPU_2_STATUS));
300 iwl_fw_set_current_image(&mvm->fwrt, old_type);
304 if (!alive_data.valid) {
305 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
306 iwl_fw_set_current_image(&mvm->fwrt, old_type);
311 * update the sdio allocation according to the pointer we get in the
312 * alive notification.
314 st_fwrd_space.addr = mvm->sf_space.addr;
315 st_fwrd_space.size = mvm->sf_space.size;
316 ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
318 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
322 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
325 * Note: all the queues are enabled as part of the interface
326 * initialization, but in firmware restart scenarios they
327 * could be stopped, so wake them up. In firmware restart,
328 * mac80211 will have the queues stopped as well until the
329 * reconfiguration completes. During normal startup, they
333 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
334 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1;
336 for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
337 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
339 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
344 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
346 struct iwl_notification_wait init_wait;
347 struct iwl_nvm_access_complete_cmd nvm_complete = {};
348 struct iwl_init_extended_cfg_cmd init_cfg = {
349 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
351 static const u16 init_complete[] = {
356 lockdep_assert_held(&mvm->mutex);
358 iwl_init_notification_wait(&mvm->notif_wait,
361 ARRAY_SIZE(init_complete),
362 iwl_wait_init_complete,
365 /* Will also start the device */
366 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
368 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
372 /* Send init config command to mark that we are sending NVM access
375 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
376 INIT_EXTENDED_CFG_CMD), 0,
377 sizeof(init_cfg), &init_cfg);
379 IWL_ERR(mvm, "Failed to run init config command: %d\n",
384 /* Load NVM to NIC if needed */
385 if (mvm->nvm_file_name) {
386 iwl_mvm_read_external_nvm(mvm);
387 iwl_mvm_load_nvm_to_nic(mvm);
390 if (IWL_MVM_PARSE_NVM && read_nvm) {
391 ret = iwl_nvm_init(mvm, true);
393 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
398 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
399 NVM_ACCESS_COMPLETE), 0,
400 sizeof(nvm_complete), &nvm_complete);
402 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
407 /* We wait for the INIT complete notification */
408 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
409 MVM_UCODE_ALIVE_TIMEOUT);
413 /* Read the NVM only at driver load time, no need to do this twice */
414 if (!IWL_MVM_PARSE_NVM && read_nvm) {
415 ret = iwl_mvm_nvm_get_from_fw(mvm);
417 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
425 iwl_remove_notification(&mvm->notif_wait, &init_wait);
429 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
431 struct iwl_phy_cfg_cmd phy_cfg_cmd;
432 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
435 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
436 phy_cfg_cmd.calib_control.event_trigger =
437 mvm->fw->default_calib[ucode_type].event_trigger;
438 phy_cfg_cmd.calib_control.flow_trigger =
439 mvm->fw->default_calib[ucode_type].flow_trigger;
441 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
442 phy_cfg_cmd.phy_cfg);
444 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
445 sizeof(phy_cfg_cmd), &phy_cfg_cmd);
448 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
450 struct iwl_notification_wait calib_wait;
451 static const u16 init_complete[] = {
453 CALIB_RES_NOTIF_PHY_DB
457 if (iwl_mvm_has_unified_ucode(mvm))
458 return iwl_run_unified_mvm_ucode(mvm, true);
460 lockdep_assert_held(&mvm->mutex);
462 if (WARN_ON_ONCE(mvm->calibrating))
465 iwl_init_notification_wait(&mvm->notif_wait,
468 ARRAY_SIZE(init_complete),
469 iwl_wait_phy_db_entry,
472 /* Will also start the device */
473 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
475 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
479 if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
480 ret = iwl_mvm_send_bt_init_conf(mvm);
485 /* Read the NVM only at driver load time, no need to do this twice */
488 ret = iwl_nvm_init(mvm, true);
490 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
495 /* In case we read the NVM from external file, load it to the NIC */
496 if (mvm->nvm_file_name)
497 iwl_mvm_load_nvm_to_nic(mvm);
499 ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
503 * abort after reading the nvm in case RF Kill is on, we will complete
504 * the init seq later when RF kill will switch to off
506 if (iwl_mvm_is_radio_hw_killed(mvm)) {
507 IWL_DEBUG_RF_KILL(mvm,
508 "jump over all phy activities due to RF kill\n");
509 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
514 mvm->calibrating = true;
516 /* Send TX valid antennas before triggering calibrations */
517 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
522 * Send phy configurations command to init uCode
523 * to start the 16.0 uCode init image internal calibrations.
525 ret = iwl_send_phy_cfg_cmd(mvm);
527 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
533 * Some things may run in the background now, but we
534 * just wait for the calibration complete notification.
536 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
537 MVM_UCODE_CALIB_TIMEOUT);
539 if (ret && iwl_mvm_is_radio_hw_killed(mvm)) {
540 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
546 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
548 mvm->calibrating = false;
549 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
550 /* we want to debug INIT and we have no NVM - fake */
551 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
552 sizeof(struct ieee80211_channel) +
553 sizeof(struct ieee80211_rate),
557 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
558 mvm->nvm_data->bands[0].n_channels = 1;
559 mvm->nvm_data->bands[0].n_bitrates = 1;
560 mvm->nvm_data->bands[0].bitrates =
561 (void *)mvm->nvm_data->channels + 1;
562 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
568 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
570 struct iwl_ltr_config_cmd cmd = {
571 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
574 if (!mvm->trans->ltr_enabled)
577 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
582 #define ACPI_WRDS_METHOD "WRDS"
583 #define ACPI_EWRD_METHOD "EWRD"
584 #define ACPI_WGDS_METHOD "WGDS"
585 #define ACPI_WIFI_DOMAIN (0x07)
586 #define ACPI_WRDS_WIFI_DATA_SIZE (IWL_MVM_SAR_TABLE_SIZE + 2)
587 #define ACPI_EWRD_WIFI_DATA_SIZE ((IWL_MVM_SAR_PROFILE_NUM - 1) * \
588 IWL_MVM_SAR_TABLE_SIZE + 3)
589 #define ACPI_WGDS_WIFI_DATA_SIZE 18
590 #define ACPI_WGDS_NUM_BANDS 2
591 #define ACPI_WGDS_TABLE_SIZE 3
593 static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
594 union acpi_object *table,
595 struct iwl_mvm_sar_profile *profile,
600 profile->enabled = enabled;
602 for (i = 0; i < IWL_MVM_SAR_TABLE_SIZE; i++) {
603 if ((table[i].type != ACPI_TYPE_INTEGER) ||
604 (table[i].integer.value > U8_MAX))
607 profile->table[i] = table[i].integer.value;
613 static union acpi_object *iwl_mvm_sar_find_wifi_pkg(struct iwl_mvm *mvm,
614 union acpi_object *data,
617 union acpi_object *wifi_pkg = NULL;
621 * We need at least two packages, one for the revision and one
622 * for the data itself. Also check that the revision is valid
623 * (i.e. it is an integer set to 0).
625 if (data->type != ACPI_TYPE_PACKAGE ||
626 data->package.count < 2 ||
627 data->package.elements[0].type != ACPI_TYPE_INTEGER ||
628 data->package.elements[0].integer.value != 0) {
629 IWL_DEBUG_RADIO(mvm, "Unsupported packages structure\n");
630 return ERR_PTR(-EINVAL);
633 /* loop through all the packages to find the one for WiFi */
634 for (i = 1; i < data->package.count; i++) {
635 union acpi_object *domain;
637 wifi_pkg = &data->package.elements[i];
639 /* Skip anything that is not a package with the right
640 * amount of elements (i.e. domain_type,
641 * enabled/disabled plus the actual data size.
643 if (wifi_pkg->type != ACPI_TYPE_PACKAGE ||
644 wifi_pkg->package.count != data_size)
647 domain = &wifi_pkg->package.elements[0];
648 if (domain->type == ACPI_TYPE_INTEGER &&
649 domain->integer.value == ACPI_WIFI_DOMAIN)
656 return ERR_PTR(-ENOENT);
661 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
663 union acpi_object *wifi_pkg, *table;
664 acpi_handle root_handle;
666 struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
671 root_handle = ACPI_HANDLE(mvm->dev);
674 "Could not retrieve root port ACPI handle\n");
678 /* Get the method's handle */
679 status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
681 if (ACPI_FAILURE(status)) {
682 IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
686 /* Call WRDS with no arguments */
687 status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
688 if (ACPI_FAILURE(status)) {
689 IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
693 wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wrds.pointer,
694 ACPI_WRDS_WIFI_DATA_SIZE);
695 if (IS_ERR(wifi_pkg)) {
696 ret = PTR_ERR(wifi_pkg);
700 if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
705 enabled = !!(wifi_pkg->package.elements[1].integer.value);
707 /* position of the actual table */
708 table = &wifi_pkg->package.elements[2];
710 /* The profile from WRDS is officially profile 1, but goes
711 * into sar_profiles[0] (because we don't have a profile 0).
713 ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
721 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
723 union acpi_object *wifi_pkg;
724 acpi_handle root_handle;
726 struct acpi_buffer ewrd = {ACPI_ALLOCATE_BUFFER, NULL};
729 int i, n_profiles, ret;
731 root_handle = ACPI_HANDLE(mvm->dev);
734 "Could not retrieve root port ACPI handle\n");
738 /* Get the method's handle */
739 status = acpi_get_handle(root_handle, (acpi_string)ACPI_EWRD_METHOD,
741 if (ACPI_FAILURE(status)) {
742 IWL_DEBUG_RADIO(mvm, "EWRD method not found\n");
746 /* Call EWRD with no arguments */
747 status = acpi_evaluate_object(handle, NULL, NULL, &ewrd);
748 if (ACPI_FAILURE(status)) {
749 IWL_DEBUG_RADIO(mvm, "EWRD invocation failed (0x%x)\n", status);
753 wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, ewrd.pointer,
754 ACPI_EWRD_WIFI_DATA_SIZE);
755 if (IS_ERR(wifi_pkg)) {
756 ret = PTR_ERR(wifi_pkg);
760 if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
761 (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) {
766 enabled = !!(wifi_pkg->package.elements[1].integer.value);
767 n_profiles = wifi_pkg->package.elements[2].integer.value;
769 /* in case of BIOS bug */
770 if (n_profiles <= 0) {
775 for (i = 0; i < n_profiles; i++) {
776 /* the tables start at element 3 */
779 /* The EWRD profiles officially go from 2 to 4, but we
780 * save them in sar_profiles[1-3] (because we don't
781 * have profile 0). So in the array we start from 1.
783 ret = iwl_mvm_sar_set_profile(mvm,
784 &wifi_pkg->package.elements[pos],
785 &mvm->sar_profiles[i + 1],
790 /* go to the next table */
791 pos += IWL_MVM_SAR_TABLE_SIZE;
799 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
801 union acpi_object *wifi_pkg;
802 acpi_handle root_handle;
804 struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL};
809 root_handle = ACPI_HANDLE(mvm->dev);
812 "Could not retrieve root port ACPI handle\n");
816 /* Get the method's handle */
817 status = acpi_get_handle(root_handle, (acpi_string)ACPI_WGDS_METHOD,
819 if (ACPI_FAILURE(status)) {
820 IWL_DEBUG_RADIO(mvm, "WGDS method not found\n");
824 /* Call WGDS with no arguments */
825 status = acpi_evaluate_object(handle, NULL, NULL, &wgds);
826 if (ACPI_FAILURE(status)) {
827 IWL_DEBUG_RADIO(mvm, "WGDS invocation failed (0x%x)\n", status);
831 wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wgds.pointer,
832 ACPI_WGDS_WIFI_DATA_SIZE);
833 if (IS_ERR(wifi_pkg)) {
834 ret = PTR_ERR(wifi_pkg);
838 for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
839 for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) {
840 union acpi_object *entry;
842 entry = &wifi_pkg->package.elements[idx++];
843 if ((entry->type != ACPI_TYPE_INTEGER) ||
844 (entry->integer.value > U8_MAX))
847 mvm->geo_profiles[i].values[j] = entry->integer.value;
856 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
858 struct iwl_dev_tx_power_cmd cmd = {
859 .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
862 int profs[IWL_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
863 int len = sizeof(cmd);
865 BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS < 2);
866 BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
867 IWL_MVM_SAR_TABLE_SIZE);
869 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
870 len = sizeof(cmd.v3);
872 for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
873 struct iwl_mvm_sar_profile *prof;
875 /* don't allow SAR to be disabled (profile 0 means disable) */
879 /* we are off by one, so allow up to IWL_MVM_SAR_PROFILE_NUM */
880 if (profs[i] > IWL_MVM_SAR_PROFILE_NUM)
883 /* profiles go from 1 to 4, so decrement to access the array */
884 prof = &mvm->sar_profiles[profs[i] - 1];
886 /* if the profile is disabled, do nothing */
887 if (!prof->enabled) {
888 IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
890 /* if one of the profiles is disabled, we fail all */
894 IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i);
895 for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
896 idx = (i * IWL_NUM_SUB_BANDS) + j;
897 cmd.v3.per_chain_restriction[i][j] =
898 cpu_to_le16(prof->table[idx]);
899 IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n",
900 j, prof->table[idx]);
904 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
906 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
909 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
911 struct iwl_geo_tx_power_profiles_resp *resp;
914 struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
915 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
917 struct iwl_host_cmd cmd = {
918 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
919 .len = { sizeof(geo_cmd), },
920 .flags = CMD_WANT_SKB,
921 .data = { &geo_cmd },
924 ret = iwl_mvm_send_cmd(mvm, &cmd);
926 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
930 resp = (void *)cmd.resp_pkt->data;
931 ret = le32_to_cpu(resp->profile_idx);
932 if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) {
934 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
941 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
943 struct iwl_geo_tx_power_profiles_cmd cmd = {
944 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
947 u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
949 ret = iwl_mvm_sar_get_wgds_table(mvm);
952 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
954 /* we don't fail if the table is not available */
958 IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
960 BUILD_BUG_ON(IWL_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
961 ACPI_WGDS_TABLE_SIZE != ACPI_WGDS_WIFI_DATA_SIZE);
963 for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
964 struct iwl_per_chain_offset *chain =
965 (struct iwl_per_chain_offset *)&cmd.table[i];
967 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
970 value = &mvm->geo_profiles[i].values[j *
971 IWL_GEO_PER_CHAIN_SIZE];
972 chain[j].max_tx_power = cpu_to_le16(value[0]);
973 chain[j].chain_a = value[1];
974 chain[j].chain_b = value[2];
976 "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
977 i, j, value[1], value[2], value[0]);
980 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
983 #else /* CONFIG_ACPI */
984 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
989 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
994 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
998 #endif /* CONFIG_ACPI */
1000 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1004 ret = iwl_mvm_sar_get_wrds_table(mvm);
1006 IWL_DEBUG_RADIO(mvm,
1007 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1009 /* if not available, don't fail and don't bother with EWRD */
1013 ret = iwl_mvm_sar_get_ewrd_table(mvm);
1014 /* if EWRD is not available, we can still use WRDS, so don't fail */
1016 IWL_DEBUG_RADIO(mvm,
1017 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1020 /* choose profile 1 (WRDS) as default for both chains */
1021 ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1023 /* if we don't have profile 0 from BIOS, just skip it */
1030 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1034 if (iwl_mvm_has_unified_ucode(mvm))
1035 return iwl_run_unified_mvm_ucode(mvm, false);
1037 ret = iwl_run_init_mvm_ucode(mvm, false);
1039 if (iwlmvm_mod_params.init_dbg)
1043 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1044 /* this can't happen */
1045 if (WARN_ON(ret > 0))
1051 * Stop and start the transport without entering low power
1052 * mode. This will save the state of other components on the
1053 * device that are triggered by the INIT firwmare (MFUART).
1055 _iwl_trans_stop_device(mvm->trans, false);
1056 ret = _iwl_trans_start_hw(mvm->trans, false);
1060 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1064 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1067 int iwl_mvm_up(struct iwl_mvm *mvm)
1070 struct ieee80211_channel *chan;
1071 struct cfg80211_chan_def chandef;
1073 lockdep_assert_held(&mvm->mutex);
1075 ret = iwl_trans_start_hw(mvm->trans);
1079 ret = iwl_mvm_load_rt_fw(mvm);
1081 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1085 iwl_get_shared_mem_conf(&mvm->fwrt);
1087 ret = iwl_mvm_sf_update(mvm, NULL, false);
1089 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1091 mvm->fwrt.dump.conf = FW_DBG_INVALID;
1092 /* if we have a destination, assume EARLY START */
1093 if (mvm->fw->dbg_dest_tlv)
1094 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1095 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1097 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1101 if (!iwl_mvm_has_unified_ucode(mvm)) {
1102 /* Send phy db control command and then phy db calibration */
1103 ret = iwl_send_phy_db_data(mvm->phy_db);
1107 ret = iwl_send_phy_cfg_cmd(mvm);
1112 ret = iwl_mvm_send_bt_init_conf(mvm);
1116 /* Init RSS configuration */
1117 /* TODO - remove a000 disablement when we have RXQ config API */
1118 if (iwl_mvm_has_new_rx_api(mvm) &&
1119 mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_A000) {
1120 ret = iwl_send_rss_cfg_cmd(mvm);
1122 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1128 /* init the fw <-> mac80211 STA mapping */
1129 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1130 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1132 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1134 /* reset quota debouncing buffer - 0xff will yield invalid data */
1135 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1137 ret = iwl_mvm_send_dqa_cmd(mvm);
1141 /* Add auxiliary station for scanning */
1142 ret = iwl_mvm_add_aux_sta(mvm);
1146 /* Add all the PHY contexts */
1147 chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1148 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1149 for (i = 0; i < NUM_PHY_CTX; i++) {
1151 * The channel used here isn't relevant as it's
1152 * going to be overwritten in the other flows.
1153 * For now use the first channel we have.
1155 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1161 #ifdef CONFIG_THERMAL
1162 if (iwl_mvm_is_tt_in_fw(mvm)) {
1163 /* in order to give the responsibility of ct-kill and
1164 * TX backoff to FW we need to send empty temperature reporting
1165 * cmd during init time
1167 iwl_mvm_send_temp_report_ths_cmd(mvm);
1169 /* Initialize tx backoffs to the minimal possible */
1170 iwl_mvm_tt_tx_backoff(mvm, 0);
1173 /* TODO: read the budget from BIOS / Platform NVM */
1174 if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0) {
1175 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1176 mvm->cooling_dev.cur_state);
1181 /* Initialize tx backoffs to the minimal possible */
1182 iwl_mvm_tt_tx_backoff(mvm, 0);
1185 WARN_ON(iwl_mvm_config_ltr(mvm));
1187 ret = iwl_mvm_power_update_device(mvm);
1192 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1193 * anyway, so don't init MCC.
1195 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1196 ret = iwl_mvm_init_mcc(mvm);
1201 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1202 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1203 ret = iwl_mvm_config_scan(mvm);
1208 /* allow FW/transport low power modes if not during restart */
1209 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1210 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1212 ret = iwl_mvm_sar_init(mvm);
1216 ret = iwl_mvm_sar_geo_init(mvm);
1220 IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1223 if (!iwlmvm_mod_params.init_dbg)
1224 iwl_mvm_stop_device(mvm);
1228 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1232 lockdep_assert_held(&mvm->mutex);
1234 ret = iwl_trans_start_hw(mvm->trans);
1238 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1240 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1244 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1248 /* Send phy db control command and then phy db calibration*/
1249 ret = iwl_send_phy_db_data(mvm->phy_db);
1253 ret = iwl_send_phy_cfg_cmd(mvm);
1257 /* init the fw <-> mac80211 STA mapping */
1258 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1259 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1261 /* Add auxiliary station for scanning */
1262 ret = iwl_mvm_add_aux_sta(mvm);
1268 iwl_mvm_stop_device(mvm);
1272 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1273 struct iwl_rx_cmd_buffer *rxb)
1275 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1276 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1277 u32 flags = le32_to_cpu(card_state_notif->flags);
1279 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1280 (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1281 (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1282 (flags & CT_KILL_CARD_DISABLED) ?
1283 "Reached" : "Not reached");
1286 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1287 struct iwl_rx_cmd_buffer *rxb)
1289 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1290 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1293 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1294 le32_to_cpu(mfuart_notif->installed_ver),
1295 le32_to_cpu(mfuart_notif->external_ver),
1296 le32_to_cpu(mfuart_notif->status),
1297 le32_to_cpu(mfuart_notif->duration));
1299 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1301 "MFUART: image size: 0x%08x\n",
1302 le32_to_cpu(mfuart_notif->image_size));