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kernel_samsung_a53x/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
Emmanuel Grumbach bda6f9fe3e wifi: iwlwifi: mvm: don't read past the mfuart notifcation 
[ Upstream commit 4bb95f4535489ed830cf9b34b0a891e384d1aee4 ]

In case the firmware sends a notification that claims it has more data
than it has, we will read past that was allocated for the notification.
Remove the print of the buffer, we won't see it by default. If needed,
we can see the content with tracing.

This was reported by KFENCE.

Fixes: bdccdb854f2f ("iwlwifi: mvm: support MFUART dump in case of MFUART assert")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240513132416.ba82a01a559e.Ia91dd20f5e1ca1ad380b95e68aebf2794f553d9b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 14:19:00 +01:00

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/******************************************************************************
*
* 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) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
*
* 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.
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
* 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 <linux/netdevice.h>
#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "fw/img.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 "fw/acpi.h"
#include "fw/pnvm.h"
#include "mvm.h"
#include "fw/dbg.h"
#include "iwl-phy-db.h"
#include "iwl-modparams.h"
#include "iwl-nvm-parse.h"
#define MVM_UCODE_ALIVE_TIMEOUT (HZ)
#define MVM_UCODE_CALIB_TIMEOUT (2 * HZ)
#define UCODE_VALID_OK cpu_to_le32(0x1)
struct iwl_mvm_alive_data {
bool valid;
u32 scd_base_addr;
};
static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
{
struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
.valid = cpu_to_le32(valid_tx_ant),
};
IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
sizeof(tx_ant_cmd), &tx_ant_cmd);
}
static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
{
int i;
struct iwl_rss_config_cmd cmd = {
.flags = cpu_to_le32(IWL_RSS_ENABLE),
.hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
};
if (mvm->trans->num_rx_queues == 1)
return 0;
/* Do not direct RSS traffic to Q 0 which is our fallback queue */
for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
cmd.indirection_table[i] =
1 + (i % (mvm->trans->num_rx_queues - 1));
netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
}
static int iwl_configure_rxq(struct iwl_mvm *mvm)
{
int i, num_queues, size, ret;
struct iwl_rfh_queue_config *cmd;
struct iwl_host_cmd hcmd = {
.id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD),
.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
};
/*
* The default queue is configured via context info, so if we
* have a single queue, there's nothing to do here.
*/
if (mvm->trans->num_rx_queues == 1)
return 0;
/* skip the default queue */
num_queues = mvm->trans->num_rx_queues - 1;
size = struct_size(cmd, data, num_queues);
cmd = kzalloc(size, GFP_KERNEL);
if (!cmd)
return -ENOMEM;
cmd->num_queues = num_queues;
for (i = 0; i < num_queues; i++) {
struct iwl_trans_rxq_dma_data data;
cmd->data[i].q_num = i + 1;
iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data);
cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb);
cmd->data[i].urbd_stts_wrptr =
cpu_to_le64(data.urbd_stts_wrptr);
cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb);
cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid);
}
hcmd.data[0] = cmd;
hcmd.len[0] = size;
ret = iwl_mvm_send_cmd(mvm, &hcmd);
kfree(cmd);
return ret;
}
static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
{
struct iwl_dqa_enable_cmd dqa_cmd = {
.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
};
u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
int ret;
ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
if (ret)
IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
else
IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
return ret;
}
void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
if (mfu_dump_notif->index_num == 0)
IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
le32_to_cpu(mfu_dump_notif->assert_id));
}
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 iwl_umac_alive *umac;
struct iwl_lmac_alive *lmac1;
struct iwl_lmac_alive *lmac2 = NULL;
u16 status;
u32 lmac_error_event_table, umac_error_table;
/*
* For v5 and above, we can check the version, for older
* versions we need to check the size.
*/
if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
UCODE_ALIVE_NTFY, 0) == 5) {
struct iwl_alive_ntf_v5 *palive;
palive = (void *)pkt->data;
umac = &palive->umac_data;
lmac1 = &palive->lmac_data[0];
lmac2 = &palive->lmac_data[1];
status = le16_to_cpu(palive->status);
mvm->trans->sku_id[0] = le32_to_cpu(palive->sku_id.data[0]);
mvm->trans->sku_id[1] = le32_to_cpu(palive->sku_id.data[1]);
mvm->trans->sku_id[2] = le32_to_cpu(palive->sku_id.data[2]);
IWL_DEBUG_FW(mvm, "Got sku_id: 0x0%x 0x0%x 0x0%x\n",
mvm->trans->sku_id[0],
mvm->trans->sku_id[1],
mvm->trans->sku_id[2]);
} else if (iwl_rx_packet_payload_len(pkt) == sizeof(struct iwl_alive_ntf_v4)) {
struct iwl_alive_ntf_v4 *palive;
palive = (void *)pkt->data;
umac = &palive->umac_data;
lmac1 = &palive->lmac_data[0];
lmac2 = &palive->lmac_data[1];
status = le16_to_cpu(palive->status);
} else if (iwl_rx_packet_payload_len(pkt) ==
sizeof(struct iwl_alive_ntf_v3)) {
struct iwl_alive_ntf_v3 *palive3;
palive3 = (void *)pkt->data;
umac = &palive3->umac_data;
lmac1 = &palive3->lmac_data;
status = le16_to_cpu(palive3->status);
} else {
WARN(1, "unsupported alive notification (size %d)\n",
iwl_rx_packet_payload_len(pkt));
/* get timeout later */
return false;
}
lmac_error_event_table =
le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
if (lmac2)
mvm->trans->dbg.lmac_error_event_table[1] =
le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
umac_error_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr);
if (umac_error_table) {
if (umac_error_table >=
mvm->trans->cfg->min_umac_error_event_table) {
iwl_fw_umac_set_alive_err_table(mvm->trans,
umac_error_table);
} else {
IWL_ERR(mvm,
"Not valid error log pointer 0x%08X for %s uCode\n",
umac_error_table,
(mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
"Init" : "RT");
}
}
alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
alive_data->valid = status == IWL_ALIVE_STATUS_OK;
IWL_DEBUG_FW(mvm,
"Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
status, lmac1->ver_type, lmac1->ver_subtype);
if (lmac2)
IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
IWL_DEBUG_FW(mvm,
"UMAC version: Major - 0x%x, Minor - 0x%x\n",
le32_to_cpu(umac->umac_major),
le32_to_cpu(umac->umac_minor));
iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
return true;
}
static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
return true;
}
static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
struct iwl_phy_db *phy_db = data;
if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
return true;
}
WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
return false;
}
static int iwl_mvm_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;
enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
static const u16 alive_cmd[] = { UCODE_ALIVE_NTFY };
bool run_in_rfkill =
ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
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);
/*
* We want to load the INIT firmware even in RFKILL
* For the unified firmware case, the ucode_type is not
* INIT, but we still need to run it.
*/
ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
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);
if (ret) {
struct iwl_trans *trans = mvm->trans;
if (trans->trans_cfg->device_family >=
IWL_DEVICE_FAMILY_22000) {
IWL_ERR(mvm,
"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
iwl_read_umac_prph(trans,
UMAG_SB_CPU_2_STATUS));
IWL_ERR(mvm, "UMAC PC: 0x%x\n",
iwl_read_umac_prph(trans,
UREG_UMAC_CURRENT_PC));
IWL_ERR(mvm, "LMAC PC: 0x%x\n",
iwl_read_umac_prph(trans,
UREG_LMAC1_CURRENT_PC));
if (iwl_mvm_is_cdb_supported(mvm))
IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
iwl_read_umac_prph(trans,
UREG_LMAC2_CURRENT_PC));
} else if (trans->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));
}
if (ret == -ETIMEDOUT)
iwl_fw_dbg_error_collect(&mvm->fwrt,
FW_DBG_TRIGGER_ALIVE_TIMEOUT);
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;
}
ret = iwl_pnvm_load(mvm->trans, &mvm->notif_wait);
if (ret) {
IWL_ERR(mvm, "Timeout waiting for PNVM load!\n");
iwl_fw_set_current_image(&mvm->fwrt, old_type);
return ret;
}
iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
/*
* Note: all the queues are enabled as part of the interface
* initialization, but in firmware restart scenarios they
* could be stopped, so wake them up. In firmware restart,
* mac80211 will have the queues stopped as well until the
* reconfiguration completes. During normal startup, they
* will be empty.
*/
memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
/*
* 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);
set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
#ifdef CONFIG_IWLWIFI_DEBUGFS
iwl_fw_set_dbg_rec_on(&mvm->fwrt);
#endif
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;
if (mvm->trans->cfg->tx_with_siso_diversity)
init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
lockdep_assert_held(&mvm->mutex);
mvm->rfkill_safe_init_done = false;
iwl_init_notification_wait(&mvm->notif_wait,
&init_wait,
init_complete,
ARRAY_SIZE(init_complete),
iwl_wait_init_complete,
NULL);
iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, 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;
}
iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
NULL);
/* 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),
CMD_SEND_IN_RFKILL,
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),
CMD_SEND_IN_RFKILL,
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;
}
}
mvm->rfkill_safe_init_done = true;
return 0;
error:
iwl_remove_notification(&mvm->notif_wait, &init_wait);
return ret;
}
#ifdef CONFIG_ACPI
static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
struct iwl_phy_specific_cfg *phy_filters)
{
/*
* TODO: read specific phy config from BIOS
* ACPI table for this feature has not been defined yet,
* so for now we use hardcoded values.
*/
if (IWL_MVM_PHY_FILTER_CHAIN_A) {
phy_filters->filter_cfg_chain_a =
cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_A);
}
if (IWL_MVM_PHY_FILTER_CHAIN_B) {
phy_filters->filter_cfg_chain_b =
cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_B);
}
if (IWL_MVM_PHY_FILTER_CHAIN_C) {
phy_filters->filter_cfg_chain_c =
cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_C);
}
if (IWL_MVM_PHY_FILTER_CHAIN_D) {
phy_filters->filter_cfg_chain_d =
cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_D);
}
}
#else /* CONFIG_ACPI */
static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
struct iwl_phy_specific_cfg *phy_filters)
{
}
#endif /* CONFIG_ACPI */
static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
{
struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd;
enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
struct iwl_phy_specific_cfg phy_filters = {};
u8 cmd_ver;
size_t cmd_size;
if (iwl_mvm_has_unified_ucode(mvm) &&
!mvm->trans->cfg->tx_with_siso_diversity)
return 0;
if (mvm->trans->cfg->tx_with_siso_diversity) {
/*
* TODO: currently we don't set the antenna but letting the NIC
* to decide which antenna to use. This should come from BIOS.
*/
phy_cfg_cmd.phy_cfg =
cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
}
/* Set parameters */
phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
/* set flags extra PHY configuration flags from the device's cfg */
phy_cfg_cmd.phy_cfg |=
cpu_to_le32(mvm->trans->trans_cfg->extra_phy_cfg_flags);
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;
cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
PHY_CONFIGURATION_CMD,
IWL_FW_CMD_VER_UNKNOWN);
if (cmd_ver == 3) {
iwl_mvm_phy_filter_init(mvm, &phy_filters);
memcpy(&phy_cfg_cmd.phy_specific_cfg, &phy_filters,
sizeof(struct iwl_phy_specific_cfg));
}
IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
phy_cfg_cmd.phy_cfg);
cmd_size = (cmd_ver == 3) ? sizeof(struct iwl_phy_cfg_cmd_v3) :
sizeof(struct iwl_phy_cfg_cmd_v1);
return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
cmd_size, &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;
if (iwl_mvm_has_unified_ucode(mvm))
return iwl_run_unified_mvm_ucode(mvm, true);
lockdep_assert_held(&mvm->mutex);
mvm->rfkill_safe_init_done = false;
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 remove_notif;
}
if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
ret = iwl_mvm_send_bt_init_conf(mvm);
if (ret)
goto remove_notif;
}
/* Read the NVM only at driver load time, no need to do this twice */
if (read_nvm) {
ret = iwl_nvm_init(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
goto remove_notif;
}
}
/* 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);
WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
"Too old NVM version (0x%0x, required = 0x%0x)",
mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
/*
* 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");
goto remove_notif;
}
mvm->rfkill_safe_init_done = 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 remove_notif;
ret = iwl_send_phy_cfg_cmd(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
ret);
goto remove_notif;
}
/*
* 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)
goto out;
if (iwl_mvm_is_radio_hw_killed(mvm)) {
IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
ret = 0;
} else {
IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
ret);
}
goto out;
remove_notif:
iwl_remove_notification(&mvm->notif_wait, &calib_wait);
out:
mvm->rfkill_safe_init_done = 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_config_ltr(struct iwl_mvm *mvm)
{
struct iwl_ltr_config_cmd cmd = {
.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
};
if (!mvm->trans->ltr_enabled)
return 0;
return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
sizeof(cmd), &cmd);
}
#ifdef CONFIG_ACPI
int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
{
struct iwl_dev_tx_power_cmd cmd = {
.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
};
__le16 *per_chain;
int ret;
u16 len = 0;
u32 n_subbands;
u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
REDUCE_TX_POWER_CMD,
IWL_FW_CMD_VER_UNKNOWN);
if (cmd_ver == 6) {
len = sizeof(cmd.v6);
n_subbands = IWL_NUM_SUB_BANDS_V2;
per_chain = cmd.v6.per_chain[0][0];
} else if (fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_REDUCE_TX_POWER)) {
len = sizeof(cmd.v5);
n_subbands = IWL_NUM_SUB_BANDS;
per_chain = cmd.v5.per_chain[0][0];
} else if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) {
len = sizeof(cmd.v4);
n_subbands = IWL_NUM_SUB_BANDS;
per_chain = cmd.v4.per_chain[0][0];
} else {
len = sizeof(cmd.v3);
n_subbands = IWL_NUM_SUB_BANDS;
per_chain = cmd.v3.per_chain[0][0];
}
/* all structs have the same common part, add it */
len += sizeof(cmd.common);
ret = iwl_sar_select_profile(&mvm->fwrt, per_chain, ACPI_SAR_NUM_TABLES,
n_subbands, prof_a, prof_b);
/* return on error or if the profile is disabled (positive number) */
if (ret)
return ret;
IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
{
union iwl_geo_tx_power_profiles_cmd geo_tx_cmd;
struct iwl_geo_tx_power_profiles_resp *resp;
u16 len;
int ret;
struct iwl_host_cmd cmd;
u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
GEO_TX_POWER_LIMIT,
IWL_FW_CMD_VER_UNKNOWN);
/* the ops field is at the same spot for all versions, so set in v1 */
geo_tx_cmd.v1.ops =
cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
if (cmd_ver == 3)
len = sizeof(geo_tx_cmd.v3);
else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
IWL_UCODE_TLV_API_SAR_TABLE_VER))
len = sizeof(geo_tx_cmd.v2);
else
len = sizeof(geo_tx_cmd.v1);
if (!iwl_sar_geo_support(&mvm->fwrt))
return -EOPNOTSUPP;
cmd = (struct iwl_host_cmd){
.id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
.len = { len, },
.flags = CMD_WANT_SKB,
.data = { &geo_tx_cmd },
};
ret = iwl_mvm_send_cmd(mvm, &cmd);
if (ret) {
IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
return ret;
}
resp = (void *)cmd.resp_pkt->data;
ret = le32_to_cpu(resp->profile_idx);
if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES))
ret = -EIO;
iwl_free_resp(&cmd);
return ret;
}
static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
{
union iwl_geo_tx_power_profiles_cmd cmd;
u16 len;
u32 n_bands;
int ret;
u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
GEO_TX_POWER_LIMIT,
IWL_FW_CMD_VER_UNKNOWN);
BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, ops) !=
offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) ||
offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) !=
offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops));
/* the ops field is at the same spot for all versions, so set in v1 */
cmd.v1.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
if (cmd_ver == 3) {
len = sizeof(cmd.v3);
n_bands = ARRAY_SIZE(cmd.v3.table[0]);
} else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
len = sizeof(cmd.v2);
n_bands = ARRAY_SIZE(cmd.v2.table[0]);
} else {
len = sizeof(cmd.v1);
n_bands = ARRAY_SIZE(cmd.v1.table[0]);
}
BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, table) !=
offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) ||
offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) !=
offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table));
/* the table is at the same position for all versions, so set use v1 */
ret = iwl_sar_geo_init(&mvm->fwrt, &cmd.v1.table[0][0], n_bands);
/*
* It is a valid scenario to not support SAR, or miss wgds table,
* but in that case there is no need to send the command.
*/
if (ret)
return 0;
/*
* Set the revision on versions that contain it.
* This must be done after calling iwl_sar_geo_init().
*/
if (cmd_ver == 3)
cmd.v3.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
IWL_UCODE_TLV_API_SAR_TABLE_VER))
cmd.v2.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
return iwl_mvm_send_cmd_pdu(mvm,
WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
0, len, &cmd);
}
static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *data, *enabled;
int i, j, ret, tbl_rev, num_sub_bands;
int idx = 2;
s8 *gain;
/*
* The 'enabled' field is the same in v1 and v2 so we can just
* use v1 to access it.
*/
mvm->fwrt.ppag_table.v1.enabled = cpu_to_le32(0);
data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
/* try to read ppag table revision 1 */
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
ACPI_PPAG_WIFI_DATA_SIZE_V2, &tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 1) {
ret = -EINVAL;
goto out_free;
}
num_sub_bands = IWL_NUM_SUB_BANDS_V2;
gain = mvm->fwrt.ppag_table.v2.gain[0];
mvm->fwrt.ppag_ver = 2;
IWL_DEBUG_RADIO(mvm, "Reading PPAG table v2 (tbl_rev=1)\n");
goto read_table;
}
/* try to read ppag table revision 0 */
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 0) {
ret = -EINVAL;
goto out_free;
}
num_sub_bands = IWL_NUM_SUB_BANDS;
gain = mvm->fwrt.ppag_table.v1.gain[0];
mvm->fwrt.ppag_ver = 1;
IWL_DEBUG_RADIO(mvm, "Reading PPAG table v1 (tbl_rev=0)\n");
goto read_table;
}
ret = PTR_ERR(wifi_pkg);
goto out_free;
read_table:
enabled = &wifi_pkg->package.elements[1];
if (enabled->type != ACPI_TYPE_INTEGER ||
(enabled->integer.value != 0 && enabled->integer.value != 1)) {
ret = -EINVAL;
goto out_free;
}
mvm->fwrt.ppag_table.v1.enabled = cpu_to_le32(enabled->integer.value);
if (!mvm->fwrt.ppag_table.v1.enabled) {
ret = 0;
goto out_free;
}
/*
* read, verify gain values and save them into the PPAG table.
* first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
* following sub-bands to High-Band (5GHz).
*/
for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
for (j = 0; j < num_sub_bands; j++) {
union acpi_object *ent;
ent = &wifi_pkg->package.elements[idx++];
if (ent->type != ACPI_TYPE_INTEGER) {
ret = -EINVAL;
goto out_free;
}
gain[i * num_sub_bands + j] = ent->integer.value;
if ((j == 0 &&
(gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_LB ||
gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_LB)) ||
(j != 0 &&
(gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_HB ||
gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_HB))) {
mvm->fwrt.ppag_table.v1.enabled = cpu_to_le32(0);
ret = -EINVAL;
goto out_free;
}
}
}
ret = 0;
out_free:
kfree(data);
return ret;
}
int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
{
u8 cmd_ver;
int i, j, ret, num_sub_bands, cmd_size;
s8 *gain;
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
IWL_DEBUG_RADIO(mvm,
"PPAG capability not supported by FW, command not sent.\n");
return 0;
}
if (!mvm->fwrt.ppag_table.v1.enabled) {
IWL_DEBUG_RADIO(mvm, "PPAG not enabled, command not sent.\n");
return 0;
}
cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
PER_PLATFORM_ANT_GAIN_CMD,
IWL_FW_CMD_VER_UNKNOWN);
if (cmd_ver == 1) {
num_sub_bands = IWL_NUM_SUB_BANDS;
gain = mvm->fwrt.ppag_table.v1.gain[0];
cmd_size = sizeof(mvm->fwrt.ppag_table.v1);
if (mvm->fwrt.ppag_ver == 2) {
IWL_DEBUG_RADIO(mvm,
"PPAG table is v2 but FW supports v1, sending truncated table\n");
}
} else if (cmd_ver == 2) {
num_sub_bands = IWL_NUM_SUB_BANDS_V2;
gain = mvm->fwrt.ppag_table.v2.gain[0];
cmd_size = sizeof(mvm->fwrt.ppag_table.v2);
if (mvm->fwrt.ppag_ver == 1) {
IWL_DEBUG_RADIO(mvm,
"PPAG table is v1 but FW supports v2, sending padded table\n");
}
} else {
IWL_DEBUG_RADIO(mvm, "Unsupported PPAG command version\n");
return 0;
}
for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
for (j = 0; j < num_sub_bands; j++) {
IWL_DEBUG_RADIO(mvm,
"PPAG table: chain[%d] band[%d]: gain = %d\n",
i, j, gain[i * num_sub_bands + j]);
}
}
IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
PER_PLATFORM_ANT_GAIN_CMD),
0, cmd_size, &mvm->fwrt.ppag_table);
if (ret < 0)
IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
ret);
return ret;
}
static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
{
int ret;
ret = iwl_mvm_get_ppag_table(mvm);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,
"PPAG BIOS table invalid or unavailable. (%d)\n",
ret);
return 0;
}
return iwl_mvm_ppag_send_cmd(mvm);
}
static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
{
int ret;
struct iwl_tas_config_cmd cmd = {};
int list_size;
BUILD_BUG_ON(ARRAY_SIZE(cmd.block_list_array) <
APCI_WTAS_BLACK_LIST_MAX);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) {
IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n");
return;
}
ret = iwl_acpi_get_tas(&mvm->fwrt, cmd.block_list_array, &list_size);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,
"TAS table invalid or unavailable. (%d)\n",
ret);
return;
}
if (list_size < 0)
return;
/* list size if TAS enabled can only be non-negative */
cmd.block_list_size = cpu_to_le32((u32)list_size);
ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
TAS_CONFIG),
0, sizeof(cmd), &cmd);
if (ret < 0)
IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
}
static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm)
{
int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
DSM_FUNC_ENABLE_INDONESIA_5G2);
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
"Failed to evaluate DSM function ENABLE_INDONESIA_5G2, ret=%d\n",
ret);
else if (ret >= DSM_VALUE_INDONESIA_MAX)
IWL_DEBUG_RADIO(mvm,
"DSM function ENABLE_INDONESIA_5G2 return invalid value, ret=%d\n",
ret);
else if (ret == DSM_VALUE_INDONESIA_ENABLE) {
IWL_DEBUG_RADIO(mvm,
"Evaluated DSM function ENABLE_INDONESIA_5G2: Enabling 5g2\n");
return DSM_VALUE_INDONESIA_ENABLE;
}
/* default behaviour is disabled */
return DSM_VALUE_INDONESIA_DISABLE;
}
static u8 iwl_mvm_eval_dsm_disable_srd(struct iwl_mvm *mvm)
{
int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
DSM_FUNC_DISABLE_SRD);
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
"Failed to evaluate DSM function DISABLE_SRD, ret=%d\n",
ret);
else if (ret >= DSM_VALUE_SRD_MAX)
IWL_DEBUG_RADIO(mvm,
"DSM function DISABLE_SRD return invalid value, ret=%d\n",
ret);
else if (ret == DSM_VALUE_SRD_PASSIVE) {
IWL_DEBUG_RADIO(mvm,
"Evaluated DSM function DISABLE_SRD: setting SRD to passive\n");
return DSM_VALUE_SRD_PASSIVE;
} else if (ret == DSM_VALUE_SRD_DISABLE) {
IWL_DEBUG_RADIO(mvm,
"Evaluated DSM function DISABLE_SRD: disabling SRD\n");
return DSM_VALUE_SRD_DISABLE;
}
/* default behaviour is active */
return DSM_VALUE_SRD_ACTIVE;
}
static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
{
u8 ret;
int cmd_ret;
struct iwl_lari_config_change_cmd cmd = {};
if (iwl_mvm_eval_dsm_indonesia_5g2(mvm) == DSM_VALUE_INDONESIA_ENABLE)
cmd.config_bitmap |=
cpu_to_le32(LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK);
ret = iwl_mvm_eval_dsm_disable_srd(mvm);
if (ret == DSM_VALUE_SRD_PASSIVE)
cmd.config_bitmap |=
cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK);
else if (ret == DSM_VALUE_SRD_DISABLE)
cmd.config_bitmap |=
cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK);
/* apply more config masks here */
if (cmd.config_bitmap) {
IWL_DEBUG_RADIO(mvm, "sending LARI_CONFIG_CHANGE\n");
cmd_ret = iwl_mvm_send_cmd_pdu(mvm,
WIDE_ID(REGULATORY_AND_NVM_GROUP,
LARI_CONFIG_CHANGE),
0, sizeof(cmd), &cmd);
if (cmd_ret < 0)
IWL_DEBUG_RADIO(mvm,
"Failed to send LARI_CONFIG_CHANGE (%d)\n",
cmd_ret);
}
}
#else /* CONFIG_ACPI */
inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
int prof_a, int prof_b)
{
return -ENOENT;
}
inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
{
return -ENOENT;
}
static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
{
return 0;
}
int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
{
return -ENOENT;
}
static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
{
return 0;
}
static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
{
}
static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
{
}
#endif /* CONFIG_ACPI */
void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
{
u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
int ret;
u32 resp;
struct iwl_fw_error_recovery_cmd recovery_cmd = {
.flags = cpu_to_le32(flags),
.buf_size = 0,
};
struct iwl_host_cmd host_cmd = {
.id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
.flags = CMD_WANT_SKB,
.data = {&recovery_cmd, },
.len = {sizeof(recovery_cmd), },
};
/* no error log was defined in TLV */
if (!error_log_size)
return;
if (flags & ERROR_RECOVERY_UPDATE_DB) {
/* no buf was allocated while HW reset */
if (!mvm->error_recovery_buf)
return;
host_cmd.data[1] = mvm->error_recovery_buf;
host_cmd.len[1] = error_log_size;
host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
recovery_cmd.buf_size = cpu_to_le32(error_log_size);
}
ret = iwl_mvm_send_cmd(mvm, &host_cmd);
kfree(mvm->error_recovery_buf);
mvm->error_recovery_buf = NULL;
if (ret) {
IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
return;
}
/* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
if (flags & ERROR_RECOVERY_UPDATE_DB) {
resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
if (resp)
IWL_ERR(mvm,
"Failed to send recovery cmd blob was invalid %d\n",
resp);
}
}
static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
{
int ret;
ret = iwl_sar_get_wrds_table(&mvm->fwrt);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,
"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
ret);
/*
* If not available, don't fail and don't bother with EWRD.
* Return 1 to tell that we can't use WGDS either.
*/
return 1;
}
ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
/* if EWRD is not available, we can still use WRDS, so don't fail */
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
ret);
return iwl_mvm_sar_select_profile(mvm, 1, 1);
}
static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
{
int ret;
if (iwl_mvm_has_unified_ucode(mvm))
return iwl_run_unified_mvm_ucode(mvm, false);
ret = iwl_run_init_mvm_ucode(mvm, false);
if (ret) {
IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
if (iwlmvm_mod_params.init_dbg)
return 0;
return ret;
}
iwl_fw_dbg_stop_sync(&mvm->fwrt);
iwl_trans_stop_device(mvm->trans);
ret = iwl_trans_start_hw(mvm->trans);
if (ret)
return ret;
iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
mvm->rfkill_safe_init_done = false;
ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
if (ret)
return ret;
mvm->rfkill_safe_init_done = true;
iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
NULL);
return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
}
int iwl_mvm_up(struct iwl_mvm *mvm)
{
int ret, i;
struct ieee80211_channel *chan;
struct cfg80211_chan_def chandef;
struct ieee80211_supported_band *sband = NULL;
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);
if (ret != -ERFKILL)
iwl_fw_dbg_error_collect(&mvm->fwrt,
FW_DBG_TRIGGER_DRIVER);
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");
if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
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);
}
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->fwrt);
if (ret)
goto error;
}
/* Init RSS configuration */
if (mvm->trans->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 < mvm->fw->ucode_capa.num_stations; 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));
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
ret = iwl_mvm_send_dqa_cmd(mvm);
if (ret)
goto error;
}
/*
* Add auxiliary station for scanning.
* Newer versions of this command implies that the fw uses
* internal aux station for all aux activities that don't
* requires a dedicated data queue.
*/
if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
ADD_STA,
0) < 12) {
/*
* In old version the aux station uses mac id like other
* station and not lmac id
*/
ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
if (ret)
goto error;
}
/* Add all the PHY contexts */
i = 0;
while (!sband && i < NUM_NL80211_BANDS)
sband = mvm->hw->wiphy->bands[i++];
if (WARN_ON_ONCE(!sband)) {
ret = -ENODEV;
goto error;
}
chan = &sband->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;
}
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);
}
#ifdef CONFIG_THERMAL
/* 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;
}
#endif
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
WARN_ON(iwl_mvm_config_ltr(mvm));
ret = iwl_mvm_power_update_device(mvm);
if (ret)
goto error;
iwl_mvm_lari_cfg(mvm);
/*
* 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;
}
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
ret = iwl_mvm_ppag_init(mvm);
if (ret)
goto error;
ret = iwl_mvm_sar_init(mvm);
if (ret == 0) {
ret = iwl_mvm_sar_geo_init(mvm);
} else if (ret == -ENOENT && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
/*
* If basic SAR is not available, we check for WGDS,
* which should *not* be available either. If it is
* available, issue an error, because we can't use SAR
* Geo without basic SAR.
*/
IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
}
if (ret < 0)
goto error;
iwl_mvm_tas_init(mvm);
iwl_mvm_leds_sync(mvm);
iwl_mvm_ftm_initiator_smooth_config(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_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 < mvm->fw->ucode_capa.num_stations; i++)
RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
ADD_STA,
0) < 12) {
/*
* Add auxiliary station for scanning.
* Newer versions of this command implies that the fw uses
* internal aux station for all aux activities that don't
* requires a dedicated data queue.
* In old version the aux station uses mac id like other
* station and not lmac id
*/
ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
if (ret)
goto error;
}
return 0;
error:
iwl_mvm_stop_device(mvm);
return ret;
}
void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
u32 flags = le32_to_cpu(card_state_notif->flags);
IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
(flags & HW_CARD_DISABLED) ? "Kill" : "On",
(flags & SW_CARD_DISABLED) ? "Kill" : "On",
(flags & CT_KILL_CARD_DISABLED) ?
"Reached" : "Not reached");
}
void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
IWL_DEBUG_INFO(mvm,
"MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
le32_to_cpu(mfuart_notif->installed_ver),
le32_to_cpu(mfuart_notif->external_ver),
le32_to_cpu(mfuart_notif->status),
le32_to_cpu(mfuart_notif->duration));
if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
IWL_DEBUG_INFO(mvm,
"MFUART: image size: 0x%08x\n",
le32_to_cpu(mfuart_notif->image_size));
}
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