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iwlwifi: mvm: move a000 device NVM retrieval to a common place

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Getting the NVM data in a000 devices should be shared
across operation mode.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shaul Triebitz 2017-06-22 17:09:08 +03:00 committed by Luca Coelho
parent ce27f005c9
commit c135cb564c
6 changed files with 169 additions and 95 deletions
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2
drivers/net/wireless/intel/iwlwifi/Makefile
View File

@ -12,7 +12,7 @@ iwlwifi-$(CONFIG_IWLMVM) += cfg/7000.o cfg/8000.o cfg/9000.o cfg/a000.o
iwlwifi-objs += iwl-trans.o
iwlwifi-objs += fw/notif-wait.o
iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o fw/smem.o fw/init.o fw/dbg.o
iwlwifi-$(CONFIG_IWLMVM) += fw/common_rx.o
iwlwifi-$(CONFIG_IWLMVM) += fw/common_rx.o fw/nvm.o
iwlwifi-objs += $(iwlwifi-m)

162
drivers/net/wireless/intel/iwlwifi/fw/nvm.c Normal file
View File

@ -0,0 +1,162 @@
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#include "iwl-drv.h"
#include "runtime.h"
#include "fw/api/nvm-reg.h"
#include "fw/api/commands.h"
#include "iwl-nvm-parse.h"
struct iwl_nvm_data *iwl_fw_get_nvm(struct iwl_fw_runtime *fwrt)
{
struct iwl_nvm_get_info cmd = {};
struct iwl_nvm_get_info_rsp *rsp;
struct iwl_trans *trans = fwrt->trans;
struct iwl_nvm_data *nvm;
struct iwl_host_cmd hcmd = {
.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
.data = { &cmd, },
.len = { sizeof(cmd) },
.id = WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_GET_INFO)
};
int ret;
bool lar_fw_supported = !iwlwifi_mod_params.lar_disable &&
fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
ret = iwl_trans_send_cmd(trans, &hcmd);
if (ret)
return ERR_PTR(ret);
if (WARN(iwl_rx_packet_payload_len(hcmd.resp_pkt) != sizeof(*rsp),
"Invalid payload len in NVM response from FW %d",
iwl_rx_packet_payload_len(hcmd.resp_pkt))) {
ret = -EINVAL;
goto out;
}
rsp = (void *)hcmd.resp_pkt->data;
if (le32_to_cpu(rsp->general.flags) & NVM_GENERAL_FLAGS_EMPTY_OTP)
IWL_INFO(fwrt, "OTP is empty\n");
nvm = kzalloc(sizeof(*nvm) +
sizeof(struct ieee80211_channel) * IWL_NUM_CHANNELS,
GFP_KERNEL);
if (!nvm) {
ret = -ENOMEM;
goto out;
}
iwl_set_hw_address_from_csr(trans, nvm);
/* TODO: if platform NVM has MAC address - override it here */
if (!is_valid_ether_addr(nvm->hw_addr)) {
IWL_ERR(fwrt, "no valid mac address was found\n");
ret = -EINVAL;
goto err_free;
}
IWL_INFO(trans, "base HW address: %pM\n", nvm->hw_addr);
/* Initialize general data */
nvm->nvm_version = le16_to_cpu(rsp->general.nvm_version);
/* Initialize MAC sku data */
nvm->sku_cap_11ac_enable =
le32_to_cpu(rsp->mac_sku.enable_11ac);
nvm->sku_cap_11n_enable =
le32_to_cpu(rsp->mac_sku.enable_11n);
nvm->sku_cap_band_24GHz_enable =
le32_to_cpu(rsp->mac_sku.enable_24g);
nvm->sku_cap_band_52GHz_enable =
le32_to_cpu(rsp->mac_sku.enable_5g);
nvm->sku_cap_mimo_disabled =
le32_to_cpu(rsp->mac_sku.mimo_disable);
/* Initialize PHY sku data */
nvm->valid_tx_ant = (u8)le32_to_cpu(rsp->phy_sku.tx_chains);
nvm->valid_rx_ant = (u8)le32_to_cpu(rsp->phy_sku.rx_chains);
/* Initialize regulatory data */
nvm->lar_enabled =
le32_to_cpu(rsp->regulatory.lar_enabled) && lar_fw_supported;
iwl_init_sbands(trans->dev, trans->cfg, nvm,
rsp->regulatory.channel_profile,
nvm->valid_tx_ant & fwrt->fw->valid_tx_ant,
nvm->valid_rx_ant & fwrt->fw->valid_rx_ant,
rsp->regulatory.lar_enabled && lar_fw_supported);
iwl_free_resp(&hcmd);
return nvm;
err_free:
kfree(nvm);
out:
iwl_free_resp(&hcmd);
return ERR_PTR(ret);
}
IWL_EXPORT_SYMBOL(iwl_fw_get_nvm);

2
drivers/net/wireless/intel/iwlwifi/fw/runtime.h
View File

@ -63,6 +63,7 @@
#include "img.h"
#include "fw/api/debug.h"
#include "fw/api/paging.h"
#include "iwl-eeprom-parse.h"
struct iwl_fw_runtime_ops {
int (*dump_start)(void *ctx);
@ -152,5 +153,6 @@ void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
struct iwl_rx_cmd_buffer *rxb);
struct iwl_nvm_data *iwl_fw_get_nvm(struct iwl_fw_runtime *fwrt);
#endif /* __iwl_fw_runtime_h__ */

6
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -412,8 +412,10 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
/* Read the NVM only at driver load time, no need to do this twice */
if (!IWL_MVM_PARSE_NVM && read_nvm) {
ret = iwl_mvm_nvm_get_from_fw(mvm);
if (ret) {
mvm->nvm_data = iwl_fw_get_nvm(&mvm->fwrt);
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;
}

1
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -1377,7 +1377,6 @@ void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
/* NVM */
int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
int iwl_mvm_nvm_get_from_fw(struct iwl_mvm *mvm);
int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm);

91
drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
View File

@ -546,97 +546,6 @@ int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm)
return ret;
}
int iwl_mvm_nvm_get_from_fw(struct iwl_mvm *mvm)
{
struct iwl_nvm_get_info cmd = {};
struct iwl_nvm_get_info_rsp *rsp;
struct iwl_trans *trans = mvm->trans;
struct iwl_host_cmd hcmd = {
.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
.data = { &cmd, },
.len = { sizeof(cmd) },
.id = WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_GET_INFO)
};
int ret;
bool lar_fw_supported = !iwlwifi_mod_params.lar_disable &&
fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
lockdep_assert_held(&mvm->mutex);
ret = iwl_mvm_send_cmd(mvm, &hcmd);
if (ret)
return ret;
if (WARN(iwl_rx_packet_payload_len(hcmd.resp_pkt) != sizeof(*rsp),
"Invalid payload len in NVM response from FW %d",
iwl_rx_packet_payload_len(hcmd.resp_pkt))) {
ret = -EINVAL;
goto out;
}
rsp = (void *)hcmd.resp_pkt->data;
if (le32_to_cpu(rsp->general.flags) & NVM_GENERAL_FLAGS_EMPTY_OTP)
IWL_INFO(mvm, "OTP is empty\n");
mvm->nvm_data = kzalloc(sizeof(*mvm->nvm_data) +
sizeof(struct ieee80211_channel) *
IWL_NUM_CHANNELS, GFP_KERNEL);
if (!mvm->nvm_data) {
ret = -ENOMEM;
goto out;
}
iwl_set_hw_address_from_csr(trans, mvm->nvm_data);
/* TODO: if platform NVM has MAC address - override it here */
if (!is_valid_ether_addr(mvm->nvm_data->hw_addr)) {
IWL_ERR(trans, "no valid mac address was found\n");
ret = -EINVAL;
goto err_free;
}
IWL_INFO(trans, "base HW address: %pM\n", mvm->nvm_data->hw_addr);
/* Initialize general data */
mvm->nvm_data->nvm_version = le16_to_cpu(rsp->general.nvm_version);
/* Initialize MAC sku data */
mvm->nvm_data->sku_cap_11ac_enable =
le32_to_cpu(rsp->mac_sku.enable_11ac);
mvm->nvm_data->sku_cap_11n_enable =
le32_to_cpu(rsp->mac_sku.enable_11n);
mvm->nvm_data->sku_cap_band_24GHz_enable =
le32_to_cpu(rsp->mac_sku.enable_24g);
mvm->nvm_data->sku_cap_band_52GHz_enable =
le32_to_cpu(rsp->mac_sku.enable_5g);
mvm->nvm_data->sku_cap_mimo_disabled =
le32_to_cpu(rsp->mac_sku.mimo_disable);
/* Initialize PHY sku data */
mvm->nvm_data->valid_tx_ant = (u8)le32_to_cpu(rsp->phy_sku.tx_chains);
mvm->nvm_data->valid_rx_ant = (u8)le32_to_cpu(rsp->phy_sku.rx_chains);
/* Initialize regulatory data */
mvm->nvm_data->lar_enabled =
le32_to_cpu(rsp->regulatory.lar_enabled) && lar_fw_supported;
iwl_init_sbands(trans->dev, trans->cfg, mvm->nvm_data,
rsp->regulatory.channel_profile,
mvm->nvm_data->valid_tx_ant & mvm->fw->valid_tx_ant,
mvm->nvm_data->valid_rx_ant & mvm->fw->valid_rx_ant,
rsp->regulatory.lar_enabled && lar_fw_supported);
iwl_free_resp(&hcmd);
return 0;
err_free:
kfree(mvm->nvm_data);
out:
iwl_free_resp(&hcmd);
return ret;
}
int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic)
{
int ret, section;