int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp)
{
struct iwl_notification_wait wait_temp_notif;
static u16 temp_notif[] = { WIDE_ID(PHY_OPS_GROUP,
DTS_MEASUREMENT_NOTIF_WIDE) };
int ret;
lockdep_assert_held(&mvm->mutex);
iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,
temp_notif, ARRAY_SIZE(temp_notif),
iwl_mvm_temp_notif_wait, temp);
ret = iwl_mvm_get_temp_cmd(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to get the temperature (err=%d)\n", ret);
iwl_remove_notification(&mvm->notif_wait, &wait_temp_notif);
return ret;
}
ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,
IWL_MVM_TEMP_NOTIF_WAIT_TIMEOUT);
if (ret)
IWL_ERR(mvm, "Getting the temperature timed out\n");
return ret;
}
static int iwlagn_disable_pan(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
struct iwl_rxon_cmd *send)
{
struct iwl_notification_wait disable_wait;
__le32 old_filter = send->filter_flags;
u8 old_dev_type = send->dev_type;
int ret;
iwl_init_notification_wait(&priv->notif_wait, &disable_wait,
REPLY_WIPAN_DEACTIVATION_COMPLETE,
NULL, NULL);
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
send->dev_type = RXON_DEV_TYPE_P2P;
ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd,
CMD_SYNC, sizeof(*send), send);
send->filter_flags = old_filter;
send->dev_type = old_dev_type;
if (ret) {
IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
iwl_remove_notification(&priv->notif_wait, &disable_wait);
} else {
ret = iwl_wait_notification(&priv->notif_wait,
&disable_wait, HZ);
if (ret)
IWL_ERR(priv, "Timed out waiting for PAN disable\n");
}
return ret;
}
static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
{
struct iwl_notification_wait calib_wait;
int ret;
iwl_init_notification_wait(priv->shrd, &calib_wait,
CALIBRATION_COMPLETE_NOTIFICATION,
NULL, NULL);
ret = iwl_init_alive_start(trans(priv));
if (ret) {
IWL_DEBUG_INFO(priv,
"Error configuring init calibration: %d\n", ret);
goto cfg_init_calib_error;
}
ret = iwl_wait_notification(priv->shrd, &calib_wait, 2 * HZ);
if (ret)
IWL_DEBUG_INFO(priv, "Error detecting"
" CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret);
return ret;
cfg_init_calib_error:
iwl_remove_notification(priv->shrd, &calib_wait);
return ret;
}
static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
{
struct iwl_notification_wait calib_wait;
static const u8 calib_complete[] = {
CALIBRATION_COMPLETE_NOTIFICATION
};
int ret;
iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
calib_complete, ARRAY_SIZE(calib_complete),
NULL, NULL);
ret = iwl_init_alive_start(priv);
if (ret) {
IWL_ERR(priv, "Fail init calibration: %d\n", ret);
goto cfg_init_calib_error;
}
ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, 2 * HZ);
if (ret)
IWL_ERR(priv, "Error detecting"
" CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret);
return ret;
cfg_init_calib_error:
iwl_remove_notification(&priv->notif_wait, &calib_wait);
return ret;
}
int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify)
{
int ret;
struct iwl_notification_wait wait_scan_done;
static const u8 scan_done_notif[] = { SCAN_OFFLOAD_COMPLETE, };
bool sched = mvm->scan_status == IWL_MVM_SCAN_SCHED;
lockdep_assert_held(&mvm->mutex);
if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
return iwl_umac_scan_stop(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN,
notify);
if (mvm->scan_status == IWL_MVM_SCAN_NONE)
return 0;
if (iwl_mvm_is_radio_killed(mvm)) {
ret = 0;
goto out;
}
iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done,
scan_done_notif,
ARRAY_SIZE(scan_done_notif),
NULL, NULL);
ret = iwl_mvm_send_scan_offload_abort(mvm);
if (ret) {
IWL_DEBUG_SCAN(mvm, "Send stop %sscan failed %d\n",
sched ? "offloaded " : "", ret);
iwl_remove_notification(&mvm->notif_wait, &wait_scan_done);
goto out;
}
IWL_DEBUG_SCAN(mvm, "Successfully sent stop %sscan\n",
sched ? "offloaded " : "");
ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 1 * HZ);
out:
/*
* Clear the scan status so the next scan requests will succeed. This
* also ensures the Rx handler doesn't do anything, as the scan was
* stopped from above. Since the rx handler won't do anything now,
* we have to release the scan reference here.
*/
if (mvm->scan_status == IWL_MVM_SCAN_OS)
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
mvm->scan_status = IWL_MVM_SCAN_NONE;
if (notify) {
if (sched)
ieee80211_sched_scan_stopped(mvm->hw);
else
ieee80211_scan_completed(mvm->hw, true);
}
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;
}
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_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 };
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;
}
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;
atomic_set(&mvm->queue_stop_count[i], 0);
}
mvm->transport_queue_stop = 0;
mvm->ucode_loaded = true;
return 0;
}
static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
{
struct iwl_notification_wait init_wait;
struct iwl_nvm_access_complete_cmd nvm_complete = {};
struct iwl_init_extended_cfg_cmd init_cfg = {
.init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
};
static const u16 init_complete[] = {
INIT_COMPLETE_NOTIF,
};
int ret;
lockdep_assert_held(&mvm->mutex);
iwl_init_notification_wait(&mvm->notif_wait,
&init_wait,
init_complete,
ARRAY_SIZE(init_complete),
iwl_wait_init_complete,
NULL);
/* Will also start the device */
ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
if (ret) {
IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
goto error;
}
/* Send init config command to mark that we are sending NVM access
* commands
*/
ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
INIT_EXTENDED_CFG_CMD), 0,
sizeof(init_cfg), &init_cfg);
if (ret) {
IWL_ERR(mvm, "Failed to run init config command: %d\n",
ret);
goto error;
}
/* Load NVM to NIC if needed */
if (mvm->nvm_file_name) {
iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
mvm->nvm_sections);
iwl_mvm_load_nvm_to_nic(mvm);
}
if (IWL_MVM_PARSE_NVM && read_nvm) {
ret = iwl_nvm_init(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
goto error;
}
}
ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
NVM_ACCESS_COMPLETE), 0,
sizeof(nvm_complete), &nvm_complete);
if (ret) {
IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
ret);
goto error;
}
/* We wait for the INIT complete notification */
ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
MVM_UCODE_ALIVE_TIMEOUT);
if (ret)
return ret;
/* Read the NVM only at driver load time, no need to do this twice */
if (!IWL_MVM_PARSE_NVM && read_nvm) {
mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
if (IS_ERR(mvm->nvm_data)) {
ret = PTR_ERR(mvm->nvm_data);
mvm->nvm_data = NULL;
IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
return ret;
}
}
return 0;
error:
iwl_remove_notification(&mvm->notif_wait, &init_wait);
return ret;
}
static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
enum iwl_ucode_type ucode_type)
{
struct iwl_notification_wait alive_wait;
struct iwl_mvm_alive_data alive_data;
const struct fw_img *fw;
int ret, i;
enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
static const u16 alive_cmd[] = { MVM_ALIVE };
set_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status);
if (ucode_type == IWL_UCODE_REGULAR &&
iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
!(fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
else
fw = iwl_get_ucode_image(mvm->fw, ucode_type);
if (WARN_ON(!fw))
return -EINVAL;
iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
alive_cmd, ARRAY_SIZE(alive_cmd),
iwl_alive_fn, &alive_data);
ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
if (ret) {
iwl_fw_set_current_image(&mvm->fwrt, old_type);
iwl_remove_notification(&mvm->notif_wait, &alive_wait);
return ret;
}
/*
* Some things may run in the background now, but we
* just wait for the ALIVE notification here.
*/
ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
MVM_UCODE_ALIVE_TIMEOUT);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
/* let's force the timeout if required */
if (unlikely(mvm->trans->dbg_cfg.fw_alive_timeout)) {
IWL_INFO(mvm, "Forcing fw alive notification timeout\n");
ret = -ETIMEDOUT;
}
#endif
if (ret) {
struct iwl_trans *trans = mvm->trans;
if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000)
IWL_ERR(mvm,
"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS),
iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS));
else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
IWL_ERR(mvm,
"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
iwl_read_prph(trans, SB_CPU_1_STATUS),
iwl_read_prph(trans, SB_CPU_2_STATUS));
iwl_fw_set_current_image(&mvm->fwrt, old_type);
return ret;
}
if (!alive_data.valid) {
IWL_ERR(mvm, "Loaded ucode is not valid!\n");
iwl_fw_set_current_image(&mvm->fwrt, old_type);
return -EIO;
}
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));
/*
* Set a 'fake' TID for the command queue, since we use the
* hweight() of the tid_bitmap as a refcount now. Not that
* we ever even consider the command queue as one we might
* want to reuse, but be safe nevertheless.
*/
mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
BIT(IWL_MAX_TID_COUNT + 2);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
clear_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status);
return 0;
}