iwlwifi: move iwl_set_soc_latency to iwl-drv to be used by other op_modes

All the op_mode need to send this command as well. Instead of
duplicating the code from mvm, put the code in a common place.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200424194456.7f30f977f9bf.I060b51d0d66d09b9d1ee512e7de8f2d695a52152@changeid

drivers/net/wireless/intel/iwlwifi/fw/init.c

@@ -6,7 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * 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
@@ -27,7 +27,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,6 +62,9 @@
 #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,
@@ -95,3 +98,51 @@ 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) >= 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);

drivers/net/wireless/intel/iwlwifi/fw/runtime.h

@@ -242,5 +242,6 @@ int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
 void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
 
 void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
+int iwl_set_soc_latency(struct iwl_fw_runtime *fwrt);
 
 #endif /* __iwl_fw_runtime_h__ */

drivers/net/wireless/intel/iwlwifi/mvm/fw.c

@@ -87,50 +87,6 @@ struct iwl_mvm_alive_data {
 	u32 scd_base_addr;
 };
 
-/* set device type and latency */
-static int iwl_set_soc_latency(struct iwl_mvm *mvm)
-{
-	struct iwl_soc_configuration_cmd 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 (!mvm->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 (mvm->trans->trans_cfg->ltr_delay != IWL_CFG_TRANS_LTR_DELAY_NONE &&
-	    !WARN_ON(!mvm->trans->trans_cfg->integrated))
-		cmd.flags |= le32_encode_bits(mvm->trans->trans_cfg->ltr_delay,
-					      SOC_FLAGS_LTR_APPLY_DELAY_MASK);
-
-	if (iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
-				  SCAN_REQ_UMAC) >= 2 &&
-	    mvm->trans->trans_cfg->low_latency_xtal)
-		cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
-
-	cmd.latency = cpu_to_le32(mvm->trans->trans_cfg->xtal_latency);
-
-	ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SOC_CONFIGURATION_CMD,
-						   SYSTEM_GROUP, 0), 0,
-				   sizeof(cmd), &cmd);
-	if (ret)
-		IWL_ERR(mvm, "Failed to set soc latency: %d\n", ret);
-	return ret;
-}
-
 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
 {
 	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
@@ -1237,7 +1193,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 
 	if (fw_has_capa(&mvm->fw->ucode_capa,
 			IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
-		ret = iwl_set_soc_latency(mvm);
+		ret = iwl_set_soc_latency(&mvm->fwrt);
 		if (ret)
 			goto error;
 	}