summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intel/iwlwifi/fw/init.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/wireless/intel/iwlwifi/fw/init.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/init.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/init.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c
new file mode 100644
index 000000000..135bd48bf
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) 2017 Intel Deutschland GmbH
+ * Copyright (C) 2019-2021 Intel Corporation
+ */
+#include "iwl-drv.h"
+#include "runtime.h"
+#include "dbg.h"
+#include "debugfs.h"
+
+#include "fw/api/system.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,
+ const struct iwl_dump_sanitize_ops *sanitize_ops,
+ void *sanitize_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->sanitize_ops = sanitize_ops;
+ fwrt->sanitize_ctx = sanitize_ctx;
+ 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 = WIDE_ID(SYSTEM_GROUP, SOC_CONFIGURATION_CMD),
+ .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, 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);