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;
}
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_dnt_start(mvm->trans);
#endif
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;
}
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;
}
/* 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_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;
}
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)
*/
if (!mvm->init_ucode_complete) {
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) {
/*
* should stop and start HW since that INIT
* image just loaded
*/
iwl_trans_stop_device(mvm->trans);
ret = iwl_trans_start_hw(mvm->trans);
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;
}
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;
iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_CUSTOM);
ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
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);
if (mvm->trans->ltr_enabled) {
struct iwl_ltr_config_cmd cmd = {
.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
};
WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
sizeof(cmd), &cmd));
}
ret = iwl_mvm_power_update_device(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_up(struct iwl_mvm *mvm)
{
int ret, i;
struct ieee80211_channel *chan;
struct cfg80211_chan_def chandef;
lockdep_assert_held(&mvm->mutex);
ret = iwl_trans_start_hw(mvm->trans);
if (ret)
return ret;
ret = iwl_mvm_load_rt_fw(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
goto error;
}
iwl_get_shared_mem_conf(&mvm->fwrt);
ret = iwl_mvm_sf_update(mvm, NULL, false);
if (ret)
IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_dnt_start(mvm->trans);
#endif
mvm->fwrt.dump.conf = FW_DBG_INVALID;
/* if we have a destination, assume EARLY START */
if (mvm->fw->dbg.dest_tlv)
mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
#ifdef CPTCFG_MAC80211_LATENCY_MEASUREMENTS
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TX_LATENCY)) {
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_tx_latency *thrshold_trig;
u32 thrshld;
u32 vif;
u32 iface = 0;
u16 tid;
u16 mode;
u32 window;
trig = iwl_fw_dbg_get_trigger(mvm->fw,
FW_DBG_TRIGGER_TX_LATENCY);
vif = le32_to_cpu(trig->vif_type);
if (vif == IWL_FW_DBG_CONF_VIF_ANY) {
iface = BIT(IEEE80211_TX_LATENCY_BSS);
iface |= BIT(IEEE80211_TX_LATENCY_P2P);
} else if (vif <= IWL_FW_DBG_CONF_VIF_AP) {
iface = BIT(IEEE80211_TX_LATENCY_BSS);
} else {
iface = BIT(IEEE80211_TX_LATENCY_P2P);
}
thrshold_trig = (void *)trig->data;
thrshld = le32_to_cpu(thrshold_trig->thrshold);
tid = le16_to_cpu(thrshold_trig->tid_bitmap);
mode = le16_to_cpu(thrshold_trig->mode);
window = le32_to_cpu(thrshold_trig->window);
IWL_DEBUG_INFO(mvm,
"Tx latency trigger cfg: threshold = %u, tid = 0x%x, mode = 0x%x, window = %u vif = 0x%x\n",
thrshld, tid, mode, window, iface);
ieee80211_tx_lat_thrshld_cfg(mvm->hw, thrshld,
tid, window, mode, iface);
}
#endif
ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
if (ret)
goto error;
if (!iwl_mvm_has_unified_ucode(mvm)) {
/* 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;
}
ret = iwl_mvm_send_bt_init_conf(mvm);
if (ret)
goto error;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
ret = iwl_set_soc_latency(mvm);
if (ret)
goto error;
}
/* Init RSS configuration */
if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
ret = iwl_configure_rxq(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
ret);
goto error;
}
}
if (iwl_mvm_has_new_rx_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));
ret = iwl_mvm_send_dqa_cmd(mvm);
if (ret)
goto error;
/* 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 */
/*
* In case there is no budget from BIOS / Platform NVM the default
* budget should be 2000mW (cooling state 0).
*/
if (iwl_mvm_is_ctdp_supported(mvm)) {
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;
mvm->hb_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);
#ifdef CPTCFG_IWLWIFI_LTE_COEX
iwl_mvm_send_lte_commands(mvm);
#endif
#ifdef CPTCFG_IWLMVM_VENDOR_CMDS
/* set_mode must be IWL_TX_POWER_MODE_SET_DEVICE if this was
* ever initialized.
*/
if (le32_to_cpu(mvm->txp_cmd.v5.v3.set_mode) ==
IWL_TX_POWER_MODE_SET_DEVICE) {
int len;
if (fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_REDUCE_TX_POWER))
len = sizeof(mvm->txp_cmd.v5);
else if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
len = sizeof(mvm->txp_cmd.v4);
else
len = sizeof(mvm->txp_cmd.v4.v3);
if (iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
len, &mvm->txp_cmd))
IWL_ERR(mvm, "failed to update TX power\n");
}
#endif
#ifdef CPTCFG_IWLWIFI_FRQ_MGR
iwl_mvm_fm_notify_current_dcdc();
#endif
ret = iwl_mvm_sar_init(mvm);
if (ret)
goto error;
ret = iwl_mvm_sar_geo_init(mvm);
if (ret)
goto error;
iwl_mvm_leds_sync(mvm);
IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
return 0;
error:
if (!iwlmvm_mod_params.init_dbg || !ret)
iwl_mvm_stop_device(mvm);
return ret;
}
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 were in RFKILL during module loading, load init ucode now */
if (!mvm->init_ucode_run) {
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;
}
/* should stop & start HW since that INIT image just loaded */
iwl_trans_stop_hw(mvm->trans, false);
ret = iwl_trans_start_hw(mvm->trans);
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;
}
ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
if (ret)
goto error;
ret = iwl_send_bt_prio_tbl(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);
/* 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;
}
IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
return 0;
error:
iwl_trans_stop_device(mvm->trans);
return ret;
}