blob: f8516c7ca76735a8ab92d7df3f23b89b46ed94c7 [file] [log] [blame]
/******************************************************************************
*
* 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) 2017 Intel Deutschland GmbH
* Copyright(c) 2019 - 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) 2017 Intel Deutschland GmbH
* Copyright(c) 2019 - 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 "iwl-drv.h"
#include "runtime.h"
#include "dbg.h"
#include "debugfs.h"
#include "fw/api/soc.h"
#include "fw/api/commands.h"
void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
const struct iwl_fw *fw,
const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
struct dentry *dbgfs_dir)
{
int i;
memset(fwrt, 0, sizeof(*fwrt));
fwrt->trans = trans;
fwrt->fw = fw;
fwrt->dev = trans->dev;
fwrt->dump.conf = FW_DBG_INVALID;
fwrt->ops = ops;
fwrt->ops_ctx = ops_ctx;
for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) {
fwrt->dump.wks[i].idx = i;
INIT_DELAYED_WORK(&fwrt->dump.wks[i].wk, iwl_fw_error_dump_wk);
}
iwl_fwrt_dbgfs_register(fwrt, dbgfs_dir);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_init);
void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt)
{
iwl_fw_suspend_timestamp(fwrt);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_suspend);
void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt)
{
iwl_fw_resume_timestamp(fwrt);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume);
/* set device type and latency */
int iwl_set_soc_latency(struct iwl_fw_runtime *fwrt)
{
struct iwl_soc_configuration_cmd cmd = {};
struct iwl_host_cmd hcmd = {
.id = iwl_cmd_id(SOC_CONFIGURATION_CMD, SYSTEM_GROUP, 0),
.data[0] = &cmd,
.len[0] = sizeof(cmd),
};
int ret;
/*
* In VER_1 of this command, the discrete value is considered
* an integer; In VER_2, it's a bitmask. Since we have only 2
* values in VER_1, this is backwards-compatible with VER_2,
* as long as we don't set any other bits.
*/
if (!fwrt->trans->trans_cfg->integrated)
cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE);
BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_NONE !=
SOC_FLAGS_LTR_APPLY_DELAY_NONE);
BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_200US !=
SOC_FLAGS_LTR_APPLY_DELAY_200);
BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_2500US !=
SOC_FLAGS_LTR_APPLY_DELAY_2500);
BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_1820US !=
SOC_FLAGS_LTR_APPLY_DELAY_1820);
if (fwrt->trans->trans_cfg->ltr_delay != IWL_CFG_TRANS_LTR_DELAY_NONE &&
!WARN_ON(!fwrt->trans->trans_cfg->integrated))
cmd.flags |= le32_encode_bits(fwrt->trans->trans_cfg->ltr_delay,
SOC_FLAGS_LTR_APPLY_DELAY_MASK);
if (iwl_fw_lookup_cmd_ver(fwrt->fw, IWL_ALWAYS_LONG_GROUP,
SCAN_REQ_UMAC,
IWL_FW_CMD_VER_UNKNOWN) >= 2 &&
fwrt->trans->trans_cfg->low_latency_xtal)
cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
cmd.latency = cpu_to_le32(fwrt->trans->trans_cfg->xtal_latency);
ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
if (ret)
IWL_ERR(fwrt, "Failed to set soc latency: %d\n", ret);
return ret;
}
IWL_EXPORT_SYMBOL(iwl_set_soc_latency);