/****************************************************************************** * * 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 "iwl-fw.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_free_fw_paging(struct iwl_mvm *mvm) { int i; if (!mvm->fw_paging_db[0].fw_paging_block) return; for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) { struct iwl_fw_paging *paging = &mvm->fw_paging_db[i]; if (!paging->fw_paging_block) { IWL_DEBUG_FW(mvm, "Paging: block %d already freed, continue to next page\n", i); continue; } dma_unmap_page(mvm->trans->dev, paging->fw_paging_phys, paging->fw_paging_size, DMA_BIDIRECTIONAL); __free_pages(paging->fw_paging_block, get_order(paging->fw_paging_size)); paging->fw_paging_block = NULL; } kfree(mvm->trans->paging_download_buf); mvm->trans->paging_download_buf = NULL; mvm->trans->paging_db = NULL; memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); } static int iwl_fill_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image) { int sec_idx, idx; u32 offset = 0; /* * find where is the paging image start point: * if CPU2 exist and it's in paging format, then the image looks like: * CPU1 sections (2 or more) * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2 * CPU2 sections (not paged) * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2 * non paged to CPU2 paging sec * CPU2 paging CSS * CPU2 paging image (including instruction and data) */ for (sec_idx = 0; sec_idx < image->num_sec; sec_idx++) { if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) { sec_idx++; break; } } /* * If paging is enabled there should be at least 2 more sections left * (one for CSS and one for Paging data) */ if (sec_idx >= image->num_sec - 1) { IWL_ERR(mvm, "Paging: Missing CSS and/or paging sections\n"); iwl_free_fw_paging(mvm); return -EINVAL; } /* copy the CSS block to the dram */ IWL_DEBUG_FW(mvm, "Paging: load paging CSS to FW, sec = %d\n", sec_idx); memcpy(page_address(mvm->fw_paging_db[0].fw_paging_block), image->sec[sec_idx].data, mvm->fw_paging_db[0].fw_paging_size); dma_sync_single_for_device(mvm->trans->dev, mvm->fw_paging_db[0].fw_paging_phys, mvm->fw_paging_db[0].fw_paging_size, DMA_BIDIRECTIONAL); IWL_DEBUG_FW(mvm, "Paging: copied %d CSS bytes to first block\n", mvm->fw_paging_db[0].fw_paging_size); sec_idx++; /* * copy the paging blocks to the dram * loop index start from 1 since that CSS block already copied to dram * and CSS index is 0. * loop stop at num_of_paging_blk since that last block is not full. */ for (idx = 1; idx < mvm->num_of_paging_blk; idx++) { struct iwl_fw_paging *block = &mvm->fw_paging_db[idx]; memcpy(page_address(block->fw_paging_block), image->sec[sec_idx].data + offset, block->fw_paging_size); dma_sync_single_for_device(mvm->trans->dev, block->fw_paging_phys, block->fw_paging_size, DMA_BIDIRECTIONAL); IWL_DEBUG_FW(mvm, "Paging: copied %d paging bytes to block %d\n", mvm->fw_paging_db[idx].fw_paging_size, idx); offset += mvm->fw_paging_db[idx].fw_paging_size; } /* copy the last paging block */ if (mvm->num_of_pages_in_last_blk > 0) { struct iwl_fw_paging *block = &mvm->fw_paging_db[idx]; memcpy(page_address(block->fw_paging_block), image->sec[sec_idx].data + offset, FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk); dma_sync_single_for_device(mvm->trans->dev, block->fw_paging_phys, block->fw_paging_size, DMA_BIDIRECTIONAL); IWL_DEBUG_FW(mvm, "Paging: copied %d pages in the last block %d\n", mvm->num_of_pages_in_last_blk, idx); } return 0; } 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 int iwl_alloc_fw_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image) { struct page *block; dma_addr_t phys = 0; int blk_idx, order, num_of_pages, size, dma_enabled; if (mvm->fw_paging_db[0].fw_paging_block) return 0; dma_enabled = is_device_dma_capable(mvm->trans->dev); /* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */ BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE) != PAGING_BLOCK_SIZE); num_of_pages = image->paging_mem_size / FW_PAGING_SIZE; mvm->num_of_paging_blk = DIV_ROUND_UP(num_of_pages, NUM_OF_PAGE_PER_GROUP); mvm->num_of_pages_in_last_blk = num_of_pages - NUM_OF_PAGE_PER_GROUP * (mvm->num_of_paging_blk - 1); IWL_DEBUG_FW(mvm, "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n", mvm->num_of_paging_blk, mvm->num_of_pages_in_last_blk); /* * Allocate CSS and paging blocks in dram. */ for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { /* For CSS allocate 4KB, for others PAGING_BLOCK_SIZE (32K) */ size = blk_idx ? PAGING_BLOCK_SIZE : FW_PAGING_SIZE; order = get_order(size); block = alloc_pages(GFP_KERNEL, order); if (!block) { /* free all the previous pages since we failed */ iwl_free_fw_paging(mvm); return -ENOMEM; } mvm->fw_paging_db[blk_idx].fw_paging_block = block; mvm->fw_paging_db[blk_idx].fw_paging_size = size; if (dma_enabled) { phys = dma_map_page(mvm->trans->dev, block, 0, PAGE_SIZE << order, DMA_BIDIRECTIONAL); if (dma_mapping_error(mvm->trans->dev, phys)) { /* * free the previous pages and the current one * since we failed to map_page. */ iwl_free_fw_paging(mvm); return -ENOMEM; } mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; } else { mvm->fw_paging_db[blk_idx].fw_paging_phys = PAGING_ADDR_SIG | blk_idx << BLOCK_2_EXP_SIZE; } if (!blk_idx) IWL_DEBUG_FW(mvm, "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n", order); else IWL_DEBUG_FW(mvm, "Paging: allocated 32K bytes (order %d) for firmware paging.\n", order); } return 0; } static int iwl_save_fw_paging(struct iwl_mvm *mvm, const struct fw_img *fw) { int ret; ret = iwl_alloc_fw_paging_mem(mvm, fw); if (ret) return ret; return iwl_fill_paging_mem(mvm, fw); } /* send paging cmd to FW in case CPU2 has paging image */ static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw) { struct iwl_fw_paging_cmd paging_cmd = { .flags = cpu_to_le32(PAGING_CMD_IS_SECURED | PAGING_CMD_IS_ENABLED | (mvm->num_of_pages_in_last_blk << PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)), .block_size = cpu_to_le32(BLOCK_2_EXP_SIZE), .block_num = cpu_to_le32(mvm->num_of_paging_blk), }; int blk_idx, size = sizeof(paging_cmd); /* A bit hard coded - but this is the old API and will be deprecated */ if (!iwl_mvm_has_new_tx_api(mvm)) size -= NUM_OF_FW_PAGING_BLOCKS * 4; /* loop for for all paging blocks + CSS block */ for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { dma_addr_t addr = mvm->fw_paging_db[blk_idx].fw_paging_phys; addr = addr >> PAGE_2_EXP_SIZE; if (iwl_mvm_has_new_tx_api(mvm)) { __le64 phy_addr = cpu_to_le64(addr); paging_cmd.device_phy_addr.addr64[blk_idx] = phy_addr; } else { __le32 phy_addr = cpu_to_le32(addr); paging_cmd.device_phy_addr.addr32[blk_idx] = phy_addr; } } return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD, IWL_ALWAYS_LONG_GROUP, 0), 0, size, &paging_cmd); } /* * Send paging item cmd to FW in case CPU2 has paging image */ static int iwl_trans_get_paging_item(struct iwl_mvm *mvm) { int ret; struct iwl_fw_get_item_cmd fw_get_item_cmd = { .item_id = cpu_to_le32(IWL_FW_ITEM_ID_PAGING), }; struct iwl_fw_get_item_resp *item_resp; struct iwl_host_cmd cmd = { .id = iwl_cmd_id(FW_GET_ITEM_CMD, IWL_ALWAYS_LONG_GROUP, 0), .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, .data = { &fw_get_item_cmd, }, }; cmd.len[0] = sizeof(struct iwl_fw_get_item_cmd); ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret) { IWL_ERR(mvm, "Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n", ret); return ret; } item_resp = (void *)((struct iwl_rx_packet *)cmd.resp_pkt)->data; if (item_resp->item_id != cpu_to_le32(IWL_FW_ITEM_ID_PAGING)) { IWL_ERR(mvm, "Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n", le32_to_cpu(item_resp->item_id)); ret = -EIO; goto exit; } /* Add an extra page for headers */ mvm->trans->paging_download_buf = kzalloc(PAGING_BLOCK_SIZE + FW_PAGING_SIZE, GFP_KERNEL); if (!mvm->trans->paging_download_buf) { ret = -ENOMEM; goto exit; } mvm->trans->paging_req_addr = le32_to_cpu(item_resp->item_val); mvm->trans->paging_db = mvm->fw_paging_db; IWL_DEBUG_FW(mvm, "Paging: got paging request address (paging_req_addr 0x%08x)\n", mvm->trans->paging_req_addr); exit: iwl_free_resp(&cmd); return ret; } 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_init_paging(struct iwl_mvm *mvm) { const struct fw_img *fw = &mvm->fw->img[mvm->cur_ucode]; int ret; /* * Configure and operate fw paging mechanism. * The driver configures the paging flow only once. * The CPU2 paging image is included in the IWL_UCODE_INIT image. */ if (!fw->paging_mem_size) return 0; /* * When dma is not enabled, the driver needs to copy / write * the downloaded / uploaded page to / from the smem. * This gets the location of the place were the pages are * stored. */ if (!is_device_dma_capable(mvm->trans->dev)) { ret = iwl_trans_get_paging_item(mvm); if (ret) { IWL_ERR(mvm, "failed to get FW paging item\n"); return ret; } } ret = iwl_save_fw_paging(mvm, fw); if (ret) { IWL_ERR(mvm, "failed to save the FW paging image\n"); return ret; } ret = iwl_send_paging_cmd(mvm, fw); if (ret) { IWL_ERR(mvm, "failed to send the paging cmd\n"); iwl_free_fw_paging(mvm); return ret; } return 0; } 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->cur_ucode; 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; mvm->cur_ucode = ucode_type; mvm->ucode_loaded = false; 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) { mvm->cur_ucode = 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->gen2) 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)); mvm->cur_ucode = old_type; return ret; } if (!alive_data.valid) { IWL_ERR(mvm, "Loaded ucode is not valid!\n"); mvm->cur_ucode = 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); mvm->ucode_loaded = true; return 0; } 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->cur_ucode; /* 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; 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; } ret = iwl_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; } 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 = {}; 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; } /* 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); if (WARN_ON(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 */ return iwl_wait_notification(&mvm->notif_wait, &init_wait, MVM_UCODE_ALIVE_TIMEOUT); error: iwl_remove_notification(&mvm->notif_wait, &init_wait); return ret; } static void iwl_mvm_parse_shared_mem_a000(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) { struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data; int i; mvm->shared_mem_cfg.num_txfifo_entries = ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) mvm->shared_mem_cfg.txfifo_size[i] = le32_to_cpu(mem_cfg->txfifo_size[i]); for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) mvm->shared_mem_cfg.rxfifo_size[i] = le32_to_cpu(mem_cfg->rxfifo_size[i]); BUILD_BUG_ON(sizeof(mvm->shared_mem_cfg.internal_txfifo_size) != sizeof(mem_cfg->internal_txfifo_size)); for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.internal_txfifo_size); i++) mvm->shared_mem_cfg.internal_txfifo_size[i] = le32_to_cpu(mem_cfg->internal_txfifo_size[i]); } static void iwl_mvm_parse_shared_mem(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) { struct iwl_shared_mem_cfg_v1 *mem_cfg = (void *)pkt->data; int i; mvm->shared_mem_cfg.num_txfifo_entries = ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) mvm->shared_mem_cfg.txfifo_size[i] = le32_to_cpu(mem_cfg->txfifo_size[i]); for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) mvm->shared_mem_cfg.rxfifo_size[i] = le32_to_cpu(mem_cfg->rxfifo_size[i]); /* new API has more data, from rxfifo_addr field and on */ if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) { BUILD_BUG_ON(sizeof(mvm->shared_mem_cfg.internal_txfifo_size) != sizeof(mem_cfg->internal_txfifo_size)); for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.internal_txfifo_size); i++) mvm->shared_mem_cfg.internal_txfifo_size[i] = le32_to_cpu(mem_cfg->internal_txfifo_size[i]); } } static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) { struct iwl_host_cmd cmd = { .flags = CMD_WANT_SKB, .data = { NULL, }, .len = { 0, }, }; struct iwl_rx_packet *pkt; lockdep_assert_held(&mvm->mutex); if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0); else cmd.id = SHARED_MEM_CFG; if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd))) return; pkt = cmd.resp_pkt; if (iwl_mvm_has_new_tx_api(mvm)) iwl_mvm_parse_shared_mem_a000(mvm, pkt); else iwl_mvm_parse_shared_mem(mvm, pkt); IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n"); iwl_free_resp(&cmd); } 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_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) 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; 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; } 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); } #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; } #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_mvm_init_paging(mvm); } 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_mvm_get_shared_mem_conf(mvm); ret = iwl_mvm_sf_update(mvm, NULL, false); if (ret) IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); mvm->fw_dbg_conf = FW_DBG_INVALID; /* if we have a destination, assume EARLY START */ if (mvm->fw->dbg_dest_tlv) mvm->fw_dbg_conf = FW_DBG_START_FROM_ALIVE; iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_START_FROM_ALIVE); ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; ret = iwl_send_bt_init_conf(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; } /* 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; IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); return 0; error: 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)); }