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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2017 Intel Deutschland GmbH
* Copyright (C) 2019-2020 Intel Corporation
*/
#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);
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