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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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 - 2019 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 - 2019 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 "iwl-drv.h"
#include "runtime.h"
#include "fw/api/commands.h"
static void iwl_parse_shared_mem_22000(struct iwl_fw_runtime *fwrt,
struct iwl_rx_packet *pkt)
{
struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
int i, lmac;
int lmac_num = le32_to_cpu(mem_cfg->lmac_num);
if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem)))
return;
fwrt->smem_cfg.num_lmacs = lmac_num;
fwrt->smem_cfg.num_txfifo_entries =
ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size);
fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size);
for (lmac = 0; lmac < lmac_num; lmac++) {
struct iwl_shared_mem_lmac_cfg *lmac_cfg =
&mem_cfg->lmac_smem[lmac];
for (i = 0; i < ARRAY_SIZE(lmac_cfg->txfifo_size); i++)
fwrt->smem_cfg.lmac[lmac].txfifo_size[i] =
le32_to_cpu(lmac_cfg->txfifo_size[i]);
fwrt->smem_cfg.lmac[lmac].rxfifo1_size =
le32_to_cpu(lmac_cfg->rxfifo1_size);
}
}
static void iwl_parse_shared_mem(struct iwl_fw_runtime *fwrt,
struct iwl_rx_packet *pkt)
{
struct iwl_shared_mem_cfg_v2 *mem_cfg = (void *)pkt->data;
int i;
fwrt->smem_cfg.num_lmacs = 1;
fwrt->smem_cfg.num_txfifo_entries = ARRAY_SIZE(mem_cfg->txfifo_size);
for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
fwrt->smem_cfg.lmac[0].txfifo_size[i] =
le32_to_cpu(mem_cfg->txfifo_size[i]);
fwrt->smem_cfg.lmac[0].rxfifo1_size =
le32_to_cpu(mem_cfg->rxfifo_size[0]);
fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo_size[1]);
/* new API has more data, from rxfifo_addr field and on */
if (fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
BUILD_BUG_ON(sizeof(fwrt->smem_cfg.internal_txfifo_size) !=
sizeof(mem_cfg->internal_txfifo_size));
fwrt->smem_cfg.internal_txfifo_addr =
le32_to_cpu(mem_cfg->internal_txfifo_addr);
for (i = 0;
i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size);
i++)
fwrt->smem_cfg.internal_txfifo_size[i] =
le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
}
}
void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt)
{
struct iwl_host_cmd cmd = {
.flags = CMD_WANT_SKB,
.data = { NULL, },
.len = { 0, },
};
struct iwl_rx_packet *pkt;
int ret;
if (fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0);
else
cmd.id = SHARED_MEM_CFG;
ret = iwl_trans_send_cmd(fwrt->trans, &cmd);
if (ret) {
WARN(ret != -ERFKILL,
"Could not send the SMEM command: %d\n", ret);
return;
}
pkt = cmd.resp_pkt;
if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
iwl_parse_shared_mem_22000(fwrt, pkt);
else
iwl_parse_shared_mem(fwrt, pkt);
IWL_DEBUG_INFO(fwrt, "SHARED MEM CFG: got memory offsets/sizes\n");
iwl_free_resp(&cmd);
}
IWL_EXPORT_SYMBOL(iwl_get_shared_mem_conf);
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