/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, * USA * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #include #include #include #include "iwl-trans.h" #include "iwl-op-mode.h" #include "fw/img.h" #include "iwl-debug.h" #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */ #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */ #include "iwl-prph.h" #include "iwl-eeprom-parse.h" #include "mvm.h" #include "fw/dbg.h" #include "iwl-phy-db.h" #define MVM_UCODE_ALIVE_TIMEOUT HZ #define MVM_UCODE_CALIB_TIMEOUT (2*HZ) #define UCODE_VALID_OK cpu_to_le32(0x1) struct iwl_mvm_alive_data { bool valid; u32 scd_base_addr; }; static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) { struct iwl_tx_ant_cfg_cmd tx_ant_cmd = { .valid = cpu_to_le32(valid_tx_ant), }; IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant); return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0, sizeof(tx_ant_cmd), &tx_ant_cmd); } static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) { int i; struct iwl_rss_config_cmd cmd = { .flags = cpu_to_le32(IWL_RSS_ENABLE), .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | IWL_RSS_HASH_TYPE_IPV4_UDP | IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | IWL_RSS_HASH_TYPE_IPV6_TCP | IWL_RSS_HASH_TYPE_IPV6_UDP | IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, }; if (mvm->trans->num_rx_queues == 1) return 0; /* Do not direct RSS traffic to Q 0 which is our fallback queue */ for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++) cmd.indirection_table[i] = 1 + (i % (mvm->trans->num_rx_queues - 1)); netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); } static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm) { struct iwl_dqa_enable_cmd dqa_cmd = { .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE), }; u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0); int ret; ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd); if (ret) IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret); else IWL_DEBUG_FW(mvm, "Working in DQA mode\n"); return ret; } void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data; __le32 *dump_data = mfu_dump_notif->data; int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32); int i; if (mfu_dump_notif->index_num == 0) IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n", le32_to_cpu(mfu_dump_notif->assert_id)); for (i = 0; i < n_words; i++) IWL_DEBUG_INFO(mvm, "MFUART assert dump, dword %u: 0x%08x\n", le16_to_cpu(mfu_dump_notif->index_num) * n_words + i, le32_to_cpu(dump_data[i])); } static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { struct iwl_mvm *mvm = container_of(notif_wait, struct iwl_mvm, notif_wait); struct iwl_mvm_alive_data *alive_data = data; struct mvm_alive_resp_v3 *palive3; struct mvm_alive_resp *palive; struct iwl_umac_alive *umac; struct iwl_lmac_alive *lmac1; struct iwl_lmac_alive *lmac2 = NULL; u16 status; if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { palive = (void *)pkt->data; umac = &palive->umac_data; lmac1 = &palive->lmac_data[0]; lmac2 = &palive->lmac_data[1]; status = le16_to_cpu(palive->status); } else { palive3 = (void *)pkt->data; umac = &palive3->umac_data; lmac1 = &palive3->lmac_data; status = le16_to_cpu(palive3->status); } mvm->error_event_table[0] = le32_to_cpu(lmac1->error_event_table_ptr); if (lmac2) mvm->error_event_table[1] = le32_to_cpu(lmac2->error_event_table_ptr); mvm->log_event_table = le32_to_cpu(lmac1->log_event_table_ptr); mvm->sf_space.addr = le32_to_cpu(lmac1->st_fwrd_addr); mvm->sf_space.size = le32_to_cpu(lmac1->st_fwrd_size); mvm->umac_error_event_table = le32_to_cpu(umac->error_info_addr); alive_data->scd_base_addr = le32_to_cpu(lmac1->scd_base_ptr); alive_data->valid = status == IWL_ALIVE_STATUS_OK; if (mvm->umac_error_event_table) mvm->support_umac_log = true; IWL_DEBUG_FW(mvm, "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n", status, lmac1->ver_type, lmac1->ver_subtype); if (lmac2) IWL_DEBUG_FW(mvm, "Alive ucode CDB\n"); IWL_DEBUG_FW(mvm, "UMAC version: Major - 0x%x, Minor - 0x%x\n", le32_to_cpu(umac->umac_major), le32_to_cpu(umac->umac_minor)); return true; } static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); return true; } static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { struct iwl_phy_db *phy_db = data; if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); return true; } WARN_ON(iwl_phy_db_set_section(phy_db, pkt)); return false; } static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type) { struct iwl_notification_wait alive_wait; struct iwl_mvm_alive_data alive_data; const struct fw_img *fw; int ret, i; enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img; static const u16 alive_cmd[] = { MVM_ALIVE }; struct iwl_sf_region st_fwrd_space; if (ucode_type == IWL_UCODE_REGULAR && iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) && !(fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED))) fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER); else fw = iwl_get_ucode_image(mvm->fw, ucode_type); if (WARN_ON(!fw)) return -EINVAL; iwl_fw_set_current_image(&mvm->fwrt, ucode_type); clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, alive_cmd, ARRAY_SIZE(alive_cmd), iwl_alive_fn, &alive_data); ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT); if (ret) { iwl_fw_set_current_image(&mvm->fwrt, old_type); iwl_remove_notification(&mvm->notif_wait, &alive_wait); return ret; } /* * Some things may run in the background now, but we * just wait for the ALIVE notification here. */ ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, MVM_UCODE_ALIVE_TIMEOUT); if (ret) { struct iwl_trans *trans = mvm->trans; if (trans->cfg->device_family == IWL_DEVICE_FAMILY_A000) IWL_ERR(mvm, "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS), iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS)); else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000) IWL_ERR(mvm, "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", iwl_read_prph(trans, SB_CPU_1_STATUS), iwl_read_prph(trans, SB_CPU_2_STATUS)); iwl_fw_set_current_image(&mvm->fwrt, old_type); return ret; } if (!alive_data.valid) { IWL_ERR(mvm, "Loaded ucode is not valid!\n"); iwl_fw_set_current_image(&mvm->fwrt, old_type); return -EIO; } /* * update the sdio allocation according to the pointer we get in the * alive notification. */ st_fwrd_space.addr = mvm->sf_space.addr; st_fwrd_space.size = mvm->sf_space.size; ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space); if (ret) { IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret); return ret; } iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); /* * Note: all the queues are enabled as part of the interface * initialization, but in firmware restart scenarios they * could be stopped, so wake them up. In firmware restart, * mac80211 will have the queues stopped as well until the * reconfiguration completes. During normal startup, they * will be empty. */ memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); if (iwl_mvm_is_dqa_supported(mvm)) mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1; else mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1; for (i = 0; i < IEEE80211_MAX_QUEUES; i++) atomic_set(&mvm->mac80211_queue_stop_count[i], 0); set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); return 0; } static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait init_wait; struct iwl_nvm_access_complete_cmd nvm_complete = {}; struct iwl_init_extended_cfg_cmd init_cfg = { .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)), }; static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, }; int ret; lockdep_assert_held(&mvm->mutex); iwl_init_notification_wait(&mvm->notif_wait, &init_wait, init_complete, ARRAY_SIZE(init_complete), iwl_wait_init_complete, NULL); /* Will also start the device */ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); if (ret) { IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); goto error; } /* Send init config command to mark that we are sending NVM access * commands */ ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP, INIT_EXTENDED_CFG_CMD), 0, sizeof(init_cfg), &init_cfg); if (ret) { IWL_ERR(mvm, "Failed to run init config command: %d\n", ret); goto error; } /* Load NVM to NIC if needed */ if (mvm->nvm_file_name) { iwl_mvm_read_external_nvm(mvm); iwl_mvm_load_nvm_to_nic(mvm); } if (IWL_MVM_PARSE_NVM && read_nvm) { ret = iwl_nvm_init(mvm, true); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); goto error; } } ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_ACCESS_COMPLETE), 0, sizeof(nvm_complete), &nvm_complete); if (ret) { IWL_ERR(mvm, "Failed to run complete NVM access: %d\n", ret); goto error; } /* We wait for the INIT complete notification */ ret = iwl_wait_notification(&mvm->notif_wait, &init_wait, MVM_UCODE_ALIVE_TIMEOUT); if (ret) return ret; /* Read the NVM only at driver load time, no need to do this twice */ if (!IWL_MVM_PARSE_NVM && read_nvm) { ret = iwl_mvm_nvm_get_from_fw(mvm); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); return ret; } } return 0; error: iwl_remove_notification(&mvm->notif_wait, &init_wait); return ret; } static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) { struct iwl_phy_cfg_cmd phy_cfg_cmd; enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img; /* Set parameters */ phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); phy_cfg_cmd.calib_control.event_trigger = mvm->fw->default_calib[ucode_type].event_trigger; phy_cfg_cmd.calib_control.flow_trigger = mvm->fw->default_calib[ucode_type].flow_trigger; IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", phy_cfg_cmd.phy_cfg); return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, sizeof(phy_cfg_cmd), &phy_cfg_cmd); } int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait calib_wait; static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, CALIB_RES_NOTIF_PHY_DB }; int ret; if (iwl_mvm_has_new_tx_api(mvm)) return iwl_run_unified_mvm_ucode(mvm, true); lockdep_assert_held(&mvm->mutex); if (WARN_ON_ONCE(mvm->calibrating)) return 0; iwl_init_notification_wait(&mvm->notif_wait, &calib_wait, init_complete, ARRAY_SIZE(init_complete), iwl_wait_phy_db_entry, mvm->phy_db); /* Will also start the device */ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); if (ret) { IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); goto error; } if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) { ret = iwl_mvm_send_bt_init_conf(mvm); if (ret) goto error; } /* Read the NVM only at driver load time, no need to do this twice */ if (read_nvm) { /* Read nvm */ ret = iwl_nvm_init(mvm, true); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); goto error; } } /* In case we read the NVM from external file, load it to the NIC */ if (mvm->nvm_file_name) iwl_mvm_load_nvm_to_nic(mvm); ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans); WARN_ON(ret); /* * abort after reading the nvm in case RF Kill is on, we will complete * the init seq later when RF kill will switch to off */ if (iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "jump over all phy activities due to RF kill\n"); iwl_remove_notification(&mvm->notif_wait, &calib_wait); ret = 1; goto out; } mvm->calibrating = true; /* Send TX valid antennas before triggering calibrations */ ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; /* * Send phy configurations command to init uCode * to start the 16.0 uCode init image internal calibrations. */ ret = iwl_send_phy_cfg_cmd(mvm); if (ret) { IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", ret); goto error; } /* * Some things may run in the background now, but we * just wait for the calibration complete notification. */ ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); if (ret && iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); ret = 1; } goto out; error: iwl_remove_notification(&mvm->notif_wait, &calib_wait); out: mvm->calibrating = false; if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { /* we want to debug INIT and we have no NVM - fake */ mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof(struct ieee80211_rate), GFP_KERNEL); if (!mvm->nvm_data) return -ENOMEM; mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; mvm->nvm_data->bands[0].n_channels = 1; mvm->nvm_data->bands[0].n_bitrates = 1; mvm->nvm_data->bands[0].bitrates = (void *)mvm->nvm_data->channels + 1; mvm->nvm_data->bands[0].bitrates->hw_value = 10; } return ret; } static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) { struct iwl_ltr_config_cmd cmd = { .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), }; if (!mvm->trans->ltr_enabled) return 0; return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(cmd), &cmd); } #ifdef CONFIG_ACPI #define ACPI_WRDS_METHOD "WRDS" #define ACPI_EWRD_METHOD "EWRD" #define ACPI_WGDS_METHOD "WGDS" #define ACPI_WIFI_DOMAIN (0x07) #define ACPI_WRDS_WIFI_DATA_SIZE (IWL_MVM_SAR_TABLE_SIZE + 2) #define ACPI_EWRD_WIFI_DATA_SIZE ((IWL_MVM_SAR_PROFILE_NUM - 1) * \ IWL_MVM_SAR_TABLE_SIZE + 3) #define ACPI_WGDS_WIFI_DATA_SIZE 18 #define ACPI_WGDS_NUM_BANDS 2 #define ACPI_WGDS_TABLE_SIZE 3 static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm, union acpi_object *table, struct iwl_mvm_sar_profile *profile, bool enabled) { int i; profile->enabled = enabled; for (i = 0; i < IWL_MVM_SAR_TABLE_SIZE; i++) { if ((table[i].type != ACPI_TYPE_INTEGER) || (table[i].integer.value > U8_MAX)) return -EINVAL; profile->table[i] = table[i].integer.value; } return 0; } static union acpi_object *iwl_mvm_sar_find_wifi_pkg(struct iwl_mvm *mvm, union acpi_object *data, int data_size) { int i; union acpi_object *wifi_pkg; /* * We need at least two packages, one for the revision and one * for the data itself. Also check that the revision is valid * (i.e. it is an integer set to 0). */ if (data->type != ACPI_TYPE_PACKAGE || data->package.count < 2 || data->package.elements[0].type != ACPI_TYPE_INTEGER || data->package.elements[0].integer.value != 0) { IWL_DEBUG_RADIO(mvm, "Unsupported packages structure\n"); return ERR_PTR(-EINVAL); } /* loop through all the packages to find the one for WiFi */ for (i = 1; i < data->package.count; i++) { union acpi_object *domain; wifi_pkg = &data->package.elements[i]; /* Skip anything that is not a package with the right * amount of elements (i.e. domain_type, * enabled/disabled plus the actual data size. */ if (wifi_pkg->type != ACPI_TYPE_PACKAGE || wifi_pkg->package.count != data_size) continue; domain = &wifi_pkg->package.elements[0]; if (domain->type == ACPI_TYPE_INTEGER && domain->integer.value == ACPI_WIFI_DOMAIN) break; wifi_pkg = NULL; } if (!wifi_pkg) return ERR_PTR(-ENOENT); return wifi_pkg; } static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) { union acpi_object *wifi_pkg, *table; acpi_handle root_handle; acpi_handle handle; struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; bool enabled; int ret; root_handle = ACPI_HANDLE(mvm->dev); if (!root_handle) { IWL_DEBUG_RADIO(mvm, "Could not retrieve root port ACPI handle\n"); return -ENOENT; } /* Get the method's handle */ status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD, &handle); if (ACPI_FAILURE(status)) { IWL_DEBUG_RADIO(mvm, "WRDS method not found\n"); return -ENOENT; } /* Call WRDS with no arguments */ status = acpi_evaluate_object(handle, NULL, NULL, &wrds); if (ACPI_FAILURE(status)) { IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status); return -ENOENT; } wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wrds.pointer, ACPI_WRDS_WIFI_DATA_SIZE); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { ret = -EINVAL; goto out_free; } enabled = !!(wifi_pkg->package.elements[1].integer.value); /* position of the actual table */ table = &wifi_pkg->package.elements[2]; /* The profile from WRDS is officially profile 1, but goes * into sar_profiles[0] (because we don't have a profile 0). */ ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0], enabled); out_free: kfree(wrds.pointer); return ret; } static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) { union acpi_object *wifi_pkg; acpi_handle root_handle; acpi_handle handle; struct acpi_buffer ewrd = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; bool enabled; int i, n_profiles, ret; root_handle = ACPI_HANDLE(mvm->dev); if (!root_handle) { IWL_DEBUG_RADIO(mvm, "Could not retrieve root port ACPI handle\n"); return -ENOENT; } /* Get the method's handle */ status = acpi_get_handle(root_handle, (acpi_string)ACPI_EWRD_METHOD, &handle); if (ACPI_FAILURE(status)) { IWL_DEBUG_RADIO(mvm, "EWRD method not found\n"); return -ENOENT; } /* Call EWRD with no arguments */ status = acpi_evaluate_object(handle, NULL, NULL, &ewrd); if (ACPI_FAILURE(status)) { IWL_DEBUG_RADIO(mvm, "EWRD invocation failed (0x%x)\n", status); return -ENOENT; } wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, ewrd.pointer, ACPI_EWRD_WIFI_DATA_SIZE); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) || (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) { ret = -EINVAL; goto out_free; } enabled = !!(wifi_pkg->package.elements[1].integer.value); n_profiles = wifi_pkg->package.elements[2].integer.value; /* in case of BIOS bug */ if (n_profiles <= 0) { ret = -EINVAL; goto out_free; } for (i = 0; i < n_profiles; i++) { /* the tables start at element 3 */ static int pos = 3; /* The EWRD profiles officially go from 2 to 4, but we * save them in sar_profiles[1-3] (because we don't * have profile 0). So in the array we start from 1. */ ret = iwl_mvm_sar_set_profile(mvm, &wifi_pkg->package.elements[pos], &mvm->sar_profiles[i + 1], enabled); if (ret < 0) break; /* go to the next table */ pos += IWL_MVM_SAR_TABLE_SIZE; } out_free: kfree(ewrd.pointer); return ret; } static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) { union acpi_object *wifi_pkg; acpi_handle root_handle; acpi_handle handle; struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; int i, j, ret; int idx = 1; root_handle = ACPI_HANDLE(mvm->dev); if (!root_handle) { IWL_DEBUG_RADIO(mvm, "Could not retrieve root port ACPI handle\n"); return -ENOENT; } /* Get the method's handle */ status = acpi_get_handle(root_handle, (acpi_string)ACPI_WGDS_METHOD, &handle); if (ACPI_FAILURE(status)) { IWL_DEBUG_RADIO(mvm, "WGDS method not found\n"); return -ENOENT; } /* Call WGDS with no arguments */ status = acpi_evaluate_object(handle, NULL, NULL, &wgds); if (ACPI_FAILURE(status)) { IWL_DEBUG_RADIO(mvm, "WGDS invocation failed (0x%x)\n", status); return -ENOENT; } wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wgds.pointer, ACPI_WGDS_WIFI_DATA_SIZE); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) { for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) { union acpi_object *entry; entry = &wifi_pkg->package.elements[idx++]; if ((entry->type != ACPI_TYPE_INTEGER) || (entry->integer.value > U8_MAX)) return -EINVAL; mvm->geo_profiles[i].values[j] = entry->integer.value; } } ret = 0; out_free: kfree(wgds.pointer); return ret; } int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) { struct iwl_dev_tx_power_cmd cmd = { .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS), }; int i, j, idx; int profs[IWL_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; int len = sizeof(cmd); BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS < 2); BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS != IWL_MVM_SAR_TABLE_SIZE); if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) len = sizeof(cmd.v3); for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) { struct iwl_mvm_sar_profile *prof; /* don't allow SAR to be disabled (profile 0 means disable) */ if (profs[i] == 0) return -EPERM; /* we are off by one, so allow up to IWL_MVM_SAR_PROFILE_NUM */ if (profs[i] > IWL_MVM_SAR_PROFILE_NUM) return -EINVAL; /* profiles go from 1 to 4, so decrement to access the array */ prof = &mvm->sar_profiles[profs[i] - 1]; /* if the profile is disabled, do nothing */ if (!prof->enabled) { IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n", profs[i]); /* if one of the profiles is disabled, we fail all */ return -ENOENT; } IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i); for (j = 0; j < IWL_NUM_SUB_BANDS; j++) { idx = (i * IWL_NUM_SUB_BANDS) + j; cmd.v3.per_chain_restriction[i][j] = cpu_to_le16(prof->table[idx]); IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n", j, prof->table[idx]); } } IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); } int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) { struct iwl_geo_tx_power_profiles_resp *resp; int ret; struct iwl_geo_tx_power_profiles_cmd geo_cmd = { .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE), }; struct iwl_host_cmd cmd = { .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), .len = { sizeof(geo_cmd), }, .flags = CMD_WANT_SKB, .data = { &geo_cmd }, }; ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret) { IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); return ret; } resp = (void *)cmd.resp_pkt->data; ret = le32_to_cpu(resp->profile_idx); if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) { ret = -EIO; IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret); } iwl_free_resp(&cmd); return ret; } static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) { struct iwl_geo_tx_power_profiles_cmd cmd = { .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES), }; int ret, i, j; u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); ret = iwl_mvm_sar_get_wgds_table(mvm); if (ret < 0) { IWL_DEBUG_RADIO(mvm, "Geo SAR BIOS table invalid or unavailable. (%d)\n", ret); /* we don't fail if the table is not available */ return 0; } IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n"); BUILD_BUG_ON(IWL_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * ACPI_WGDS_TABLE_SIZE != ACPI_WGDS_WIFI_DATA_SIZE); for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) { struct iwl_per_chain_offset *chain = (struct iwl_per_chain_offset *)&cmd.table[i]; for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { u8 *value; value = &mvm->geo_profiles[i].values[j * IWL_GEO_PER_CHAIN_SIZE]; chain[j].max_tx_power = cpu_to_le16(value[0]); chain[j].chain_a = value[1]; chain[j].chain_b = value[2]; IWL_DEBUG_RADIO(mvm, "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", i, j, value[1], value[2], value[0]); } } return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd); } #else /* CONFIG_ACPI */ static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) { return -ENOENT; } static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) { return -ENOENT; } static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) { return 0; } #endif /* CONFIG_ACPI */ static int iwl_mvm_sar_init(struct iwl_mvm *mvm) { int ret; ret = iwl_mvm_sar_get_wrds_table(mvm); if (ret < 0) { IWL_DEBUG_RADIO(mvm, "WRDS SAR BIOS table invalid or unavailable. (%d)\n", ret); /* if not available, don't fail and don't bother with EWRD */ return 0; } ret = iwl_mvm_sar_get_ewrd_table(mvm); /* if EWRD is not available, we can still use WRDS, so don't fail */ if (ret < 0) IWL_DEBUG_RADIO(mvm, "EWRD SAR BIOS table invalid or unavailable. (%d)\n", ret); /* choose profile 1 (WRDS) as default for both chains */ ret = iwl_mvm_sar_select_profile(mvm, 1, 1); /* if we don't have profile 0 from BIOS, just skip it */ if (ret == -ENOENT) return 0; return ret; } static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) { int ret; if (iwl_mvm_has_new_tx_api(mvm)) return iwl_run_unified_mvm_ucode(mvm, false); ret = iwl_run_init_mvm_ucode(mvm, false); if (iwlmvm_mod_params.init_dbg) return 0; if (ret) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); /* this can't happen */ if (WARN_ON(ret > 0)) ret = -ERFKILL; return ret; } /* * Stop and start the transport without entering low power * mode. This will save the state of other components on the * device that are triggered by the INIT firwmare (MFUART). */ _iwl_trans_stop_device(mvm->trans, false); ret = _iwl_trans_start_hw(mvm->trans, false); if (ret) return ret; ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); if (ret) return ret; return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img); } int iwl_mvm_up(struct iwl_mvm *mvm) { int ret, i; struct ieee80211_channel *chan; struct cfg80211_chan_def chandef; lockdep_assert_held(&mvm->mutex); ret = iwl_trans_start_hw(mvm->trans); if (ret) return ret; ret = iwl_mvm_load_rt_fw(mvm); if (ret) { IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); goto error; } iwl_get_shared_mem_conf(&mvm->fwrt); ret = iwl_mvm_sf_update(mvm, NULL, false); if (ret) IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); mvm->fwrt.dump.conf = FW_DBG_INVALID; /* if we have a destination, assume EARLY START */ if (mvm->fw->dbg_dest_tlv) mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE; iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE); ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; /* Send phy db control command and then phy db calibration*/ if (!iwl_mvm_has_new_tx_api(mvm)) { ret = iwl_send_phy_db_data(mvm->phy_db); if (ret) goto error; ret = iwl_send_phy_cfg_cmd(mvm); if (ret) goto error; } ret = iwl_mvm_send_bt_init_conf(mvm); if (ret) goto error; /* Init RSS configuration */ /* TODO - remove a000 disablement when we have RXQ config API */ if (iwl_mvm_has_new_rx_api(mvm) && !iwl_mvm_has_new_tx_api(mvm)) { ret = iwl_send_rss_cfg_cmd(mvm); if (ret) { IWL_ERR(mvm, "Failed to configure RSS queues: %d\n", ret); goto error; } } /* init the fw <-> mac80211 STA mapping */ for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA; /* reset quota debouncing buffer - 0xff will yield invalid data */ memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); /* Enable DQA-mode if required */ if (iwl_mvm_is_dqa_supported(mvm)) { ret = iwl_mvm_send_dqa_cmd(mvm); if (ret) goto error; } else { IWL_DEBUG_FW(mvm, "Working in non-DQA mode\n"); } /* Add auxiliary station for scanning */ ret = iwl_mvm_add_aux_sta(mvm); if (ret) goto error; /* Add all the PHY contexts */ chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0]; cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); for (i = 0; i < NUM_PHY_CTX; i++) { /* * The channel used here isn't relevant as it's * going to be overwritten in the other flows. * For now use the first channel we have. */ ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], &chandef, 1, 1); if (ret) goto error; } #ifdef CONFIG_THERMAL if (iwl_mvm_is_tt_in_fw(mvm)) { /* in order to give the responsibility of ct-kill and * TX backoff to FW we need to send empty temperature reporting * cmd during init time */ iwl_mvm_send_temp_report_ths_cmd(mvm); } else { /* Initialize tx backoffs to the minimal possible */ iwl_mvm_tt_tx_backoff(mvm, 0); } /* TODO: read the budget from BIOS / Platform NVM */ if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0) { ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, mvm->cooling_dev.cur_state); if (ret) goto error; } #else /* Initialize tx backoffs to the minimal possible */ iwl_mvm_tt_tx_backoff(mvm, 0); #endif WARN_ON(iwl_mvm_config_ltr(mvm)); ret = iwl_mvm_power_update_device(mvm); if (ret) goto error; /* * RTNL is not taken during Ct-kill, but we don't need to scan/Tx * anyway, so don't init MCC. */ if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { ret = iwl_mvm_init_mcc(mvm); if (ret) goto error; } if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { mvm->scan_type = IWL_SCAN_TYPE_NOT_SET; ret = iwl_mvm_config_scan(mvm); if (ret) goto error; } /* allow FW/transport low power modes if not during restart */ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); ret = iwl_mvm_sar_init(mvm); if (ret) goto error; ret = iwl_mvm_sar_geo_init(mvm); if (ret) goto error; IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); return 0; error: if (!iwlmvm_mod_params.init_dbg) iwl_mvm_stop_device(mvm); return ret; } int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) { int ret, i; lockdep_assert_held(&mvm->mutex); ret = iwl_trans_start_hw(mvm->trans); if (ret) return ret; ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); if (ret) { IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); goto error; } ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; /* Send phy db control command and then phy db calibration*/ ret = iwl_send_phy_db_data(mvm->phy_db); if (ret) goto error; ret = iwl_send_phy_cfg_cmd(mvm); if (ret) goto error; /* init the fw <-> mac80211 STA mapping */ for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); /* Add auxiliary station for scanning */ ret = iwl_mvm_add_aux_sta(mvm); if (ret) goto error; return 0; error: iwl_mvm_stop_device(mvm); return ret; } void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; u32 flags = le32_to_cpu(card_state_notif->flags); IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", (flags & HW_CARD_DISABLED) ? "Kill" : "On", (flags & SW_CARD_DISABLED) ? "Kill" : "On", (flags & CT_KILL_CARD_DISABLED) ? "Reached" : "Not reached"); } void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; IWL_DEBUG_INFO(mvm, "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", le32_to_cpu(mfuart_notif->installed_ver), le32_to_cpu(mfuart_notif->external_ver), le32_to_cpu(mfuart_notif->status), le32_to_cpu(mfuart_notif->duration)); if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif)) IWL_DEBUG_INFO(mvm, "MFUART: image size: 0x%08x\n", le32_to_cpu(mfuart_notif->image_size)); }