wifi: iwlwifi: move code from iwl-eeprom-parse to dvm

Move code that is DVM only to dvm.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240512152312.9a1b6ef116e0.I217a513f544d5288a7760d265f51419e81abfd9d@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/Makefile

@@ -4,7 +4,7 @@ obj-$(CONFIG_IWLWIFI)	+= iwlwifi.o
 iwlwifi-objs		+= iwl-io.o
 iwlwifi-objs		+= iwl-drv.o
 iwlwifi-objs		+= iwl-debug.o
-iwlwifi-objs		+= iwl-eeprom-parse.o
+iwlwifi-objs		+= iwl-nvm-utils.o
 iwlwifi-objs		+= iwl-phy-db.o iwl-nvm-parse.o
 iwlwifi-objs		+= pcie/drv.o pcie/rx.o pcie/tx.o pcie/trans.o
 iwlwifi-objs		+= pcie/ctxt-info.o pcie/ctxt-info-gen3.o

drivers/net/wireless/intel/iwlwifi/dvm/agn.h

@@ -385,6 +385,23 @@ static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 	iwl_trans_set_pmi(priv->trans, state);
 }
 
+/**
+ * iwl_parse_eeprom_data - parse EEPROM data and return values
+ *
+ * @trans: ransport we're parsing for, for debug only
+ * @cfg: device configuration for parsing and overrides
+ * @eeprom: the EEPROM data
+ * @eeprom_size: length of the EEPROM data
+ *
+ * This function parses all EEPROM values we need and then
+ * returns a (newly allocated) struct containing all the
+ * relevant values for driver use. The struct must be freed
+ * later with iwl_free_nvm_data().
+ */
+struct iwl_nvm_data *
+iwl_parse_eeprom_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+		      const u8 *eeprom, size_t eeprom_size);
+
 int iwl_read_eeprom(struct iwl_trans *trans, u8 **eeprom, size_t *eeprom_size);
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS

drivers/net/wireless/intel/iwlwifi/dvm/dev.h

@@ -19,7 +19,7 @@
 #include <linux/mutex.h>
 
 #include "fw/img.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "iwl-csr.h"
 #include "iwl-debug.h"
 #include "iwl-agn-hw.h"

drivers/net/wireless/intel/iwlwifi/dvm/devices.c

@@ -12,7 +12,7 @@
  */
 #include "iwl-io.h"
 #include "iwl-prph.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 
 #include "agn.h"
 #include "dev.h"

drivers/net/wireless/intel/iwlwifi/dvm/main.c

@@ -26,7 +26,7 @@
 
 #include <asm/div64.h>
 
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "iwl-io.h"
 #include "iwl-trans.h"
 #include "iwl-op-mode.h"

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

@@ -12,7 +12,7 @@
 #include "fw/api/debug.h"
 #include "fw/api/paging.h"
 #include "fw/api/power.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "fw/acpi.h"
 #include "fw/regulatory.h"
 

drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h

@@ -7,7 +7,7 @@
 #define __iwl_nvm_parse_h__
 
 #include <net/cfg80211.h>
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "mei/iwl-mei.h"
 
 /**

drivers/net/wireless/intel/iwlwifi/iwl-nvm-utils.c

+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) 2005-2014, 2018-2021, 2023 Intel Corporation
+ * Copyright (C) 2015 Intel Mobile Communications GmbH
+ */
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include "iwl-drv.h"
+#include "iwl-modparams.h"
+#include "iwl-nvm-utils.h"
+
+int iwl_init_sband_channels(struct iwl_nvm_data *data,
+			    struct ieee80211_supported_band *sband,
+			    int n_channels, enum nl80211_band band)
+{
+	struct ieee80211_channel *chan = &data->channels[0];
+	int n = 0, idx = 0;
+
+	while (idx < n_channels && chan->band != band)
+		chan = &data->channels[++idx];
+
+	sband->channels = &data->channels[idx];
+
+	while (idx < n_channels && chan->band == band) {
+		chan = &data->channels[++idx];
+		n++;
+	}
+
+	sband->n_channels = n;
+
+	return n;
+}
+IWL_EXPORT_SYMBOL(iwl_init_sband_channels);
+
+#define MAX_BIT_RATE_40_MHZ	150 /* Mbps */
+#define MAX_BIT_RATE_20_MHZ	72 /* Mbps */
+
+void iwl_init_ht_hw_capab(struct iwl_trans *trans,
+			  struct iwl_nvm_data *data,
+			  struct ieee80211_sta_ht_cap *ht_info,
+			  enum nl80211_band band,
+			  u8 tx_chains, u8 rx_chains)
+{
+	const struct iwl_cfg *cfg = trans->cfg;
+	int max_bit_rate = 0;
+
+	tx_chains = hweight8(tx_chains);
+	if (cfg->rx_with_siso_diversity)
+		rx_chains = 1;
+	else
+		rx_chains = hweight8(rx_chains);
+
+	if (!(data->sku_cap_11n_enable) ||
+	    (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) ||
+	    !cfg->ht_params) {
+		ht_info->ht_supported = false;
+		return;
+	}
+
+	if (data->sku_cap_mimo_disabled)
+		rx_chains = 1;
+
+	ht_info->ht_supported = true;
+	ht_info->cap = IEEE80211_HT_CAP_DSSSCCK40;
+
+	if (cfg->ht_params->stbc) {
+		ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
+
+		if (tx_chains > 1)
+			ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
+	}
+
+	if (cfg->ht_params->ldpc)
+		ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
+
+	if (trans->trans_cfg->mq_rx_supported ||
+	    iwlwifi_mod_params.amsdu_size >= IWL_AMSDU_8K)
+		ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
+
+	ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+	ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
+
+	ht_info->mcs.rx_mask[0] = 0xFF;
+	ht_info->mcs.rx_mask[1] = 0x00;
+	ht_info->mcs.rx_mask[2] = 0x00;
+
+	if (rx_chains >= 2)
+		ht_info->mcs.rx_mask[1] = 0xFF;
+	if (rx_chains >= 3)
+		ht_info->mcs.rx_mask[2] = 0xFF;
+
+	if (cfg->ht_params->ht_greenfield_support)
+		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
+	ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
+
+	max_bit_rate = MAX_BIT_RATE_20_MHZ;
+
+	if (cfg->ht_params->ht40_bands & BIT(band)) {
+		ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+		ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
+		max_bit_rate = MAX_BIT_RATE_40_MHZ;
+	}
+
+	/* Highest supported Rx data rate */
+	max_bit_rate *= rx_chains;
+	WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
+	ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
+
+	/* Tx MCS capabilities */
+	ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+	if (tx_chains != rx_chains) {
+		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+		ht_info->mcs.tx_params |= ((tx_chains - 1) <<
+				IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
+	}
+}
+IWL_EXPORT_SYMBOL(iwl_init_ht_hw_capab);

drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h → drivers/net/wireless/intel/iwlwifi/iwl-nvm-utils.h

@@ -58,23 +58,6 @@ struct iwl_nvm_data {
 	struct ieee80211_channel channels[];
 };
 
-/**
- * iwl_parse_eeprom_data - parse EEPROM data and return values
- *
- * @trans: ransport we're parsing for, for debug only
- * @cfg: device configuration for parsing and overrides
- * @eeprom: the EEPROM data
- * @eeprom_size: length of the EEPROM data
- *
- * This function parses all EEPROM values we need and then
- * returns a (newly allocated) struct containing all the
- * relevant values for driver use. The struct must be freed
- * later with iwl_free_nvm_data().
- */
-struct iwl_nvm_data *
-iwl_parse_eeprom_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
-		      const u8 *eeprom, size_t eeprom_size);
-
 int iwl_init_sband_channels(struct iwl_nvm_data *data,
 			    struct ieee80211_supported_band *sband,
 			    int n_channels, enum nl80211_band band);

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

@@ -22,7 +22,7 @@
 #include "mvm.h"
 #include "sta.h"
 #include "time-event.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "iwl-phy-db.h"
 #include "testmode.h"
 #include "fw/error-dump.h"

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

@@ -24,7 +24,7 @@
 #include "iwl-op-mode.h"
 #include "iwl-trans.h"
 #include "fw/notif-wait.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "fw/file.h"
 #include "iwl-config.h"
 #include "sta.h"

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

@@ -9,7 +9,7 @@
 #include "iwl-trans.h"
 #include "iwl-csr.h"
 #include "mvm.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "iwl-nvm-parse.h"
 #include "iwl-prph.h"
 #include "fw/acpi.h"

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

@@ -18,7 +18,7 @@
 #include "iwl-modparams.h"
 #include "mvm.h"
 #include "iwl-phy-db.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "iwl-csr.h"
 #include "iwl-io.h"
 #include "iwl-prph.h"

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

@@ -12,7 +12,7 @@
 #include <net/ipv6.h>
 
 #include "iwl-trans.h"
-#include "iwl-eeprom-parse.h"
+#include "iwl-nvm-utils.h"
 #include "mvm.h"
 #include "sta.h"
 #include "time-sync.h"