diff options
Diffstat (limited to 'kernel/drivers/net/wireless/iwlwifi/mvm/fw.c')
| -rw-r--r-- | kernel/drivers/net/wireless/iwlwifi/mvm/fw.c | 864 |
1 files changed, 864 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c b/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c new file mode 100644 index 000000000..df869633f --- /dev/null +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -0,0 +1,864 @@ +/****************************************************************************** + * + * 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 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 u8 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) { + 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. + */ + + for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { + if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE) + mvm->queue_to_mac80211[i] = i; + else + mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; + } + + 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 u8 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_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_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; + if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { + IWL_ERR(mvm, "Bad return from SHARED_MEM_CFG (0x%08X)\n", + pkt->hdr.flags); + goto exit; + } + + 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"); + +exit: + iwl_free_resp(&cmd); +} + +int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, + struct iwl_mvm_dump_desc *desc, + unsigned int 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; + + 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, unsigned int delay) +{ + 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, delay); +} + +int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, + struct iwl_fw_dbg_trigger_tlv *trigger, + const char *fmt, ...) +{ + unsigned int delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); + 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, delay); + 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_v1(struct iwl_mvm *mvm) +{ + struct iwl_ltr_config_cmd_v1 cmd_v1 = { + .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_v1), &cmd_v1); +} + +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; + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_HDC_PHASE_0)) + return iwl_mvm_config_ltr_v1(mvm); + + 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); + _iwl_trans_start_hw(mvm->trans, false); + if (ret) + return ret; + } + + 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; + } + + if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) + 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 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { + 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); + + 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; +} + +int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + 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"); + + return 0; +} + +int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_radio_version_notif *radio_version = (void *)pkt->data; + + /* TODO: what to do with that? */ + IWL_DEBUG_INFO(mvm, + "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n", + le32_to_cpu(radio_version->radio_flavor), + le32_to_cpu(radio_version->radio_step), + le32_to_cpu(radio_version->radio_dash)); + return 0; +} + +int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + 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)); + return 0; +} |