diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw.c | 1166 |
1 files changed, 0 insertions, 1166 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c deleted file mode 100644 index d906fa13ba97..000000000000 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ /dev/null @@ -1,1166 +0,0 @@ -/****************************************************************************** - * - * 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 - * - * 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 <ilw@linux.intel.com> - * 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 - * 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 <net/mac80211.h> - -#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 "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 inline const struct fw_img * -iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type) -{ - if (ucode_type >= IWL_UCODE_TYPE_MAX) - return NULL; - - return &mvm->fw->img[ucode_type]; -} - -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 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++) { - if (!mvm->fw_paging_db[i].fw_paging_block) { - IWL_DEBUG_FW(mvm, - "Paging: block %d already freed, continue to next page\n", - i); - - continue; - } - - __free_pages(mvm->fw_paging_db[i].fw_paging_block, - get_order(mvm->fw_paging_db[i].fw_paging_size)); - } - kfree(mvm->trans->paging_download_buf); - 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 < IWL_UCODE_SECTION_MAX; sec_idx++) { - if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) { - sec_idx++; - break; - } - } - - if (sec_idx >= IWL_UCODE_SECTION_MAX) { - IWL_ERR(mvm, "driver didn't find paging image\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); - - 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++) { - memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), - image->sec[sec_idx].data + offset, - mvm->fw_paging_db[idx].fw_paging_size); - - 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) { - memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), - image->sec[sec_idx].data + offset, - FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk); - - IWL_DEBUG_FW(mvm, - "Paging: copied %d pages in the last block %d\n", - mvm->num_of_pages_in_last_blk, idx); - } - - return 0; -} - -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 = 0; - int order, num_of_pages; - int 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 = ((num_of_pages - 1) / - NUM_OF_PAGE_PER_GROUP) + 1; - - 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 block of 4Kbytes for paging CSS */ - order = get_order(FW_PAGING_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 = FW_PAGING_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; - } - - IWL_DEBUG_FW(mvm, - "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n", - order); - - /* - * allocate blocks in dram. - * since that CSS allocated in fw_paging_db[0] loop start from index 1 - */ - for (blk_idx = 1; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { - /* allocate block of PAGING_BLOCK_SIZE (32K) */ - order = get_order(PAGING_BLOCK_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 = PAGING_BLOCK_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; - } - - 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) -{ - int blk_idx; - __le32 dev_phy_addr; - struct iwl_fw_paging_cmd fw_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), - }; - - /* loop for for all paging blocks + CSS block */ - for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { - dev_phy_addr = - cpu_to_le32(mvm->fw_paging_db[blk_idx].fw_paging_phys >> - PAGE_2_EXP_SIZE); - fw_paging_cmd.device_phy_addr[blk_idx] = dev_phy_addr; - } - - return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD, - IWL_ALWAYS_LONG_GROUP, 0), - 0, sizeof(fw_paging_cmd), &fw_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; - } - - mvm->trans->paging_download_buf = kzalloc(MAX_PAGING_IMAGE_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_ver1 *palive1; - struct mvm_alive_resp_ver2 *palive2; - struct mvm_alive_resp *palive; - - if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) { - palive1 = (void *)pkt->data; - - mvm->support_umac_log = false; - mvm->error_event_table = - le32_to_cpu(palive1->error_event_table_ptr); - mvm->log_event_table = - le32_to_cpu(palive1->log_event_table_ptr); - alive_data->scd_base_addr = le32_to_cpu(palive1->scd_base_ptr); - - alive_data->valid = le16_to_cpu(palive1->status) == - IWL_ALIVE_STATUS_OK; - IWL_DEBUG_FW(mvm, - "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", - le16_to_cpu(palive1->status), palive1->ver_type, - palive1->ver_subtype, palive1->flags); - } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive2)) { - palive2 = (void *)pkt->data; - - mvm->error_event_table = - le32_to_cpu(palive2->error_event_table_ptr); - mvm->log_event_table = - le32_to_cpu(palive2->log_event_table_ptr); - alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr); - mvm->umac_error_event_table = - le32_to_cpu(palive2->error_info_addr); - mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr); - mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size); - - alive_data->valid = le16_to_cpu(palive2->status) == - IWL_ALIVE_STATUS_OK; - if (mvm->umac_error_event_table) - mvm->support_umac_log = true; - - IWL_DEBUG_FW(mvm, - "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", - le16_to_cpu(palive2->status), palive2->ver_type, - palive2->ver_subtype, palive2->flags); - - IWL_DEBUG_FW(mvm, - "UMAC version: Major - 0x%x, Minor - 0x%x\n", - palive2->umac_major, palive2->umac_minor); - } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { - palive = (void *)pkt->data; - - mvm->error_event_table = - le32_to_cpu(palive->error_event_table_ptr); - mvm->log_event_table = - le32_to_cpu(palive->log_event_table_ptr); - alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr); - mvm->umac_error_event_table = - le32_to_cpu(palive->error_info_addr); - mvm->sf_space.addr = le32_to_cpu(palive->st_fwrd_addr); - mvm->sf_space.size = le32_to_cpu(palive->st_fwrd_size); - - alive_data->valid = le16_to_cpu(palive->status) == - IWL_ALIVE_STATUS_OK; - if (mvm->umac_error_event_table) - mvm->support_umac_log = true; - - IWL_DEBUG_FW(mvm, - "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", - le16_to_cpu(palive->status), palive->ver_type, - palive->ver_subtype, palive->flags); - - IWL_DEBUG_FW(mvm, - "UMAC version: Major - 0x%x, Minor - 0x%x\n", - le32_to_cpu(palive->umac_major), - le32_to_cpu(palive->umac_minor)); - } - - 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, GFP_ATOMIC)); - - 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->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 = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER); - else - fw = iwl_get_ucode_image(mvm, 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) { - if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) - IWL_ERR(mvm, - "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", - iwl_read_prph(mvm->trans, SB_CPU_1_STATUS), - iwl_read_prph(mvm->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); - - /* - * configure and operate fw paging mechanism. - * driver configures the paging flow only once, CPU2 paging image - * included in the IWL_UCODE_INIT image. - */ - if (fw->paging_mem_size) { - /* - * 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; - } - } - - /* - * 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)); - 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; -} - -static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) -{ - struct iwl_host_cmd cmd = { - .id = SHARED_MEM_CFG, - .flags = CMD_WANT_SKB, - .data = { NULL, }, - .len = { 0, }, - }; - struct iwl_rx_packet *pkt; - struct iwl_shared_mem_cfg *mem_cfg; - u32 i; - - lockdep_assert_held(&mvm->mutex); - - if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd))) - return; - - pkt = cmd.resp_pkt; - mem_cfg = (void *)pkt->data; - - mvm->shared_mem_cfg.shared_mem_addr = - le32_to_cpu(mem_cfg->shared_mem_addr); - mvm->shared_mem_cfg.shared_mem_size = - le32_to_cpu(mem_cfg->shared_mem_size); - mvm->shared_mem_cfg.sample_buff_addr = - le32_to_cpu(mem_cfg->sample_buff_addr); - mvm->shared_mem_cfg.sample_buff_size = - le32_to_cpu(mem_cfg->sample_buff_size); - mvm->shared_mem_cfg.txfifo_addr = le32_to_cpu(mem_cfg->txfifo_addr); - for (i = 0; i < ARRAY_SIZE(mvm->shared_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]); - mvm->shared_mem_cfg.page_buff_addr = - le32_to_cpu(mem_cfg->page_buff_addr); - mvm->shared_mem_cfg.page_buff_size = - le32_to_cpu(mem_cfg->page_buff_size); - IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n"); - - iwl_free_resp(&cmd); -} - -int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, - struct iwl_mvm_dump_desc *desc, - struct iwl_fw_dbg_trigger_tlv *trigger) -{ - unsigned int delay = 0; - - if (trigger) - delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); - - if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status)) - return -EBUSY; - - if (WARN_ON(mvm->fw_dump_desc)) - iwl_mvm_free_fw_dump_desc(mvm); - - IWL_WARN(mvm, "Collecting data: trigger %d fired.\n", - le32_to_cpu(desc->trig_desc.type)); - - mvm->fw_dump_desc = desc; - mvm->fw_dump_trig = trigger; - - queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay); - - return 0; -} - -int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, - const char *str, size_t len, - struct iwl_fw_dbg_trigger_tlv *trigger) -{ - struct iwl_mvm_dump_desc *desc; - - desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); - if (!desc) - return -ENOMEM; - - desc->len = len; - desc->trig_desc.type = cpu_to_le32(trig); - memcpy(desc->trig_desc.data, str, len); - - return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger); -} - -int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, - struct iwl_fw_dbg_trigger_tlv *trigger, - const char *fmt, ...) -{ - u16 occurrences = le16_to_cpu(trigger->occurrences); - int ret, len = 0; - char buf[64]; - - if (!occurrences) - return 0; - - if (fmt) { - va_list ap; - - buf[sizeof(buf) - 1] = '\0'; - - va_start(ap, fmt); - vsnprintf(buf, sizeof(buf), fmt, ap); - va_end(ap); - - /* check for truncation */ - if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) - buf[sizeof(buf) - 1] = '\0'; - - len = strlen(buf) + 1; - } - - ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len, - trigger); - - if (ret) - return ret; - - trigger->occurrences = cpu_to_le16(occurrences - 1); - return 0; -} - -static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm) -{ - if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) - iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); - else - iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1); -} - -int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) -{ - u8 *ptr; - int ret; - int i; - - if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv), - "Invalid configuration %d\n", conf_id)) - return -EINVAL; - - /* EARLY START - firmware's configuration is hard coded */ - if ((!mvm->fw->dbg_conf_tlv[conf_id] || - !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) && - conf_id == FW_DBG_START_FROM_ALIVE) { - iwl_mvm_restart_early_start(mvm); - return 0; - } - - if (!mvm->fw->dbg_conf_tlv[conf_id]) - return -EINVAL; - - if (mvm->fw_dbg_conf != FW_DBG_INVALID) - IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n", - mvm->fw_dbg_conf); - - /* Send all HCMDs for configuring the FW debug */ - ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd; - for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) { - struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; - - ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0, - le16_to_cpu(cmd->len), cmd->data); - if (ret) - return ret; - - ptr += sizeof(*cmd); - ptr += le16_to_cpu(cmd->len); - } - - mvm->fw_dbg_conf = conf_id; - 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); -} - -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; - - /* - * If we haven't completed the run of the init ucode during - * module loading, load init ucode now - * (for example, if we were in RFKILL) - */ - ret = iwl_run_init_mvm_ucode(mvm, false); - if (ret && !iwlmvm_mod_params.init_dbg) { - IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); - /* this can't happen */ - if (WARN_ON(ret > 0)) - ret = -ERFKILL; - goto error; - } - if (!iwlmvm_mod_params.init_dbg) { - /* - * 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) - goto error; - } - - if (iwlmvm_mod_params.init_dbg) - return 0; - - 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; - } - - 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*/ - 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 < IWL_MVM_STATION_COUNT; i++) - RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); - - mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT; - - /* reset quota debouncing buffer - 0xff will yield invalid data */ - memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); - - /* 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[IEEE80211_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; - } - - /* Initialize tx backoffs to the minimal possible */ - iwl_mvm_tt_tx_backoff(mvm, 0); - - 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)) { - ret = iwl_mvm_config_scan(mvm); - if (ret) - goto error; - } - - if (iwl_mvm_is_csum_supported(mvm) && - mvm->cfg->features & NETIF_F_RXCSUM) - iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3); - - /* 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); - - IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); - return 0; - error: - iwl_trans_stop_device(mvm->trans); - 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 < IWL_MVM_STATION_COUNT; 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_trans_stop_device(mvm->trans); - 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)); -} |