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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"
#include "fw/api/rx.h"
#include "fw/api/datapath.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_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_HOST_D3_START, NULL);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_suspend);
void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt)
{
iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_HOST_D3_END, NULL);
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);
int iwl_configure_rxq(struct iwl_fw_runtime *fwrt)
{
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 (fwrt->trans->num_rx_queues == 1)
return 0;
if (fwrt->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_22000)
return 0;
/* skip the default queue */
num_queues = fwrt->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(fwrt->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_trans_send_cmd(fwrt->trans, &hcmd);
kfree(cmd);
if (ret)
IWL_ERR(fwrt, "Failed to configure RX queues: %d\n", ret);
return ret;
}
IWL_EXPORT_SYMBOL(iwl_configure_rxq);
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