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path: root/drivers/net/wireless/iwlwifi/dvm/main.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/dvm/main.c')
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/main.c301
1 files changed, 57 insertions, 244 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 10a2800687b..ebdc8b93bc0 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -44,13 +44,14 @@
#include <asm/div64.h>
+#include "iwl-eeprom-read.h"
+#include "iwl-eeprom-parse.h"
#include "iwl-io.h"
#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "iwl-drv.h"
#include "iwl-modparams.h"
-#include "eeprom.h"
#include "dev.h"
#include "calib.h"
#include "agn.h"
@@ -180,7 +181,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
rate = info->control.rates[0].idx;
priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
- priv->hw_params.valid_tx_ant);
+ priv->eeprom_data->valid_tx_ant);
rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
/* In mac80211, rates for 5 GHz start at 0 */
@@ -814,7 +815,7 @@ int iwl_alive_start(struct iwl_priv *priv)
ieee80211_wake_queues(priv->hw);
/* Configure Tx antenna selection based on H/W config */
- iwlagn_send_tx_ant_config(priv, priv->hw_params.valid_tx_ant);
+ iwlagn_send_tx_ant_config(priv, priv->eeprom_data->valid_tx_ant);
if (iwl_is_associated_ctx(ctx) && !priv->wowlan) {
struct iwl_rxon_cmd *active_rxon =
@@ -938,8 +939,6 @@ void iwl_down(struct iwl_priv *priv)
/* Clear out all status bits but a few that are stable across reset */
priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) <<
STATUS_RF_KILL_HW |
- test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
- STATUS_GEO_CONFIGURED |
test_bit(STATUS_FW_ERROR, &priv->status) <<
STATUS_FW_ERROR |
test_bit(STATUS_EXIT_PENDING, &priv->status) <<
@@ -1126,227 +1125,14 @@ void iwl_cancel_deferred_work(struct iwl_priv *priv)
del_timer_sync(&priv->ucode_trace);
}
-static void iwl_init_hw_rates(struct ieee80211_rate *rates)
-{
- int i;
-
- for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
- rates[i].bitrate = iwl_rates[i].ieee * 5;
- rates[i].hw_value = i; /* Rate scaling will work on indexes */
- rates[i].hw_value_short = i;
- rates[i].flags = 0;
- if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
- /*
- * If CCK != 1M then set short preamble rate flag.
- */
- rates[i].flags |=
- (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
- 0 : IEEE80211_RATE_SHORT_PREAMBLE;
- }
- }
-}
-
-#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
-#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
-static void iwl_init_ht_hw_capab(const struct iwl_priv *priv,
- struct ieee80211_sta_ht_cap *ht_info,
- enum ieee80211_band band)
-{
- u16 max_bit_rate = 0;
- u8 rx_chains_num = priv->hw_params.rx_chains_num;
- u8 tx_chains_num = priv->hw_params.tx_chains_num;
-
- ht_info->cap = 0;
- ht_info->ht_supported = false;
- memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
-
- if (!priv->cfg->ht_params)
- return;
-
- ht_info->ht_supported = true;
-
- if (priv->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 (priv->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;
- ht_info->mcs.rx_mask[4] = 0x01;
- max_bit_rate = MAX_BIT_RATE_40_MHZ;
- }
-
- if (iwlwifi_mod_params.amsdu_size_8K)
- ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
-
- ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
- ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
-
- ht_info->mcs.rx_mask[0] = 0xFF;
- if (rx_chains_num >= 2)
- ht_info->mcs.rx_mask[1] = 0xFF;
- if (rx_chains_num >= 3)
- ht_info->mcs.rx_mask[2] = 0xFF;
-
- /* Highest supported Rx data rate */
- max_bit_rate *= rx_chains_num;
- 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_num != rx_chains_num) {
- ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
- ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
- IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
- }
-}
-
-/**
- * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom
- */
-static int iwl_init_geos(struct iwl_priv *priv)
-{
- struct iwl_channel_info *ch;
- struct ieee80211_supported_band *sband;
- struct ieee80211_channel *channels;
- struct ieee80211_channel *geo_ch;
- struct ieee80211_rate *rates;
- int i = 0;
- s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
-
- if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
- priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
- IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
- set_bit(STATUS_GEO_CONFIGURED, &priv->status);
- return 0;
- }
-
- channels = kcalloc(priv->channel_count,
- sizeof(struct ieee80211_channel), GFP_KERNEL);
- if (!channels)
- return -ENOMEM;
-
- rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate),
- GFP_KERNEL);
- if (!rates) {
- kfree(channels);
- return -ENOMEM;
- }
-
- /* 5.2GHz channels start after the 2.4GHz channels */
- sband = &priv->bands[IEEE80211_BAND_5GHZ];
- sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
- /* just OFDM */
- sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
- sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
-
- if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE)
- iwl_init_ht_hw_capab(priv, &sband->ht_cap,
- IEEE80211_BAND_5GHZ);
-
- sband = &priv->bands[IEEE80211_BAND_2GHZ];
- sband->channels = channels;
- /* OFDM & CCK */
- sband->bitrates = rates;
- sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
-
- if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE)
- iwl_init_ht_hw_capab(priv, &sband->ht_cap,
- IEEE80211_BAND_2GHZ);
-
- priv->ieee_channels = channels;
- priv->ieee_rates = rates;
-
- for (i = 0; i < priv->channel_count; i++) {
- ch = &priv->channel_info[i];
-
- /* FIXME: might be removed if scan is OK */
- if (!is_channel_valid(ch))
- continue;
-
- sband = &priv->bands[ch->band];
-
- geo_ch = &sband->channels[sband->n_channels++];
-
- geo_ch->center_freq =
- ieee80211_channel_to_frequency(ch->channel, ch->band);
- geo_ch->max_power = ch->max_power_avg;
- geo_ch->max_antenna_gain = 0xff;
- geo_ch->hw_value = ch->channel;
-
- if (is_channel_valid(ch)) {
- if (!(ch->flags & EEPROM_CHANNEL_IBSS))
- geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
-
- if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
- geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
-
- if (ch->flags & EEPROM_CHANNEL_RADAR)
- geo_ch->flags |= IEEE80211_CHAN_RADAR;
-
- geo_ch->flags |= ch->ht40_extension_channel;
-
- if (ch->max_power_avg > max_tx_power)
- max_tx_power = ch->max_power_avg;
- } else {
- geo_ch->flags |= IEEE80211_CHAN_DISABLED;
- }
-
- IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
- ch->channel, geo_ch->center_freq,
- is_channel_a_band(ch) ? "5.2" : "2.4",
- geo_ch->flags & IEEE80211_CHAN_DISABLED ?
- "restricted" : "valid",
- geo_ch->flags);
- }
-
- priv->tx_power_device_lmt = max_tx_power;
- priv->tx_power_user_lmt = max_tx_power;
- priv->tx_power_next = max_tx_power;
-
- if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
- priv->hw_params.sku & EEPROM_SKU_CAP_BAND_52GHZ) {
- IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
- "Please send your %s to maintainer.\n",
- priv->trans->hw_id_str);
- priv->hw_params.sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
- }
-
- if (iwlwifi_mod_params.disable_5ghz)
- priv->bands[IEEE80211_BAND_5GHZ].n_channels = 0;
-
- IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
- priv->bands[IEEE80211_BAND_2GHZ].n_channels,
- priv->bands[IEEE80211_BAND_5GHZ].n_channels);
-
- set_bit(STATUS_GEO_CONFIGURED, &priv->status);
-
- return 0;
-}
-
-/*
- * iwl_free_geos - undo allocations in iwl_init_geos
- */
-static void iwl_free_geos(struct iwl_priv *priv)
-{
- kfree(priv->ieee_channels);
- kfree(priv->ieee_rates);
- clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
-}
-
static int iwl_init_drv(struct iwl_priv *priv)
{
- int ret;
-
spin_lock_init(&priv->sta_lock);
mutex_init(&priv->mutex);
INIT_LIST_HEAD(&priv->calib_results);
- priv->ieee_channels = NULL;
- priv->ieee_rates = NULL;
priv->band = IEEE80211_BAND_2GHZ;
priv->plcp_delta_threshold =
@@ -1377,31 +1163,11 @@ static int iwl_init_drv(struct iwl_priv *priv)
priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
}
- ret = iwl_init_channel_map(priv);
- if (ret) {
- IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
- goto err;
- }
-
- ret = iwl_init_geos(priv);
- if (ret) {
- IWL_ERR(priv, "initializing geos failed: %d\n", ret);
- goto err_free_channel_map;
- }
- iwl_init_hw_rates(priv->ieee_rates);
-
return 0;
-
-err_free_channel_map:
- iwl_free_channel_map(priv);
-err:
- return ret;
}
static void iwl_uninit_drv(struct iwl_priv *priv)
{
- iwl_free_geos(priv);
- iwl_free_channel_map(priv);
kfree(priv->scan_cmd);
kfree(priv->beacon_cmd);
kfree(rcu_dereference_raw(priv->noa_data));
@@ -1460,6 +1226,42 @@ static void iwl_option_config(struct iwl_priv *priv)
#endif
}
+static int iwl_eeprom_init_hw_params(struct iwl_priv *priv)
+{
+ u16 radio_cfg;
+
+ priv->hw_params.sku = priv->eeprom_data->sku;
+
+ if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE &&
+ !priv->cfg->ht_params) {
+ IWL_ERR(priv, "Invalid 11n configuration\n");
+ return -EINVAL;
+ }
+
+ if (!priv->hw_params.sku) {
+ IWL_ERR(priv, "Invalid device sku\n");
+ return -EINVAL;
+ }
+
+ IWL_INFO(priv, "Device SKU: 0x%X\n", priv->hw_params.sku);
+
+ radio_cfg = priv->eeprom_data->radio_cfg;
+
+ priv->hw_params.tx_chains_num =
+ num_of_ant(priv->eeprom_data->valid_tx_ant);
+ if (priv->cfg->rx_with_siso_diversity)
+ priv->hw_params.rx_chains_num = 1;
+ else
+ priv->hw_params.rx_chains_num =
+ num_of_ant(priv->eeprom_data->valid_rx_ant);
+
+ IWL_INFO(priv, "Valid Tx ant: 0x%X, Valid Rx ant: 0x%X\n",
+ priv->eeprom_data->valid_tx_ant,
+ priv->eeprom_data->valid_rx_ant);
+
+ return 0;
+}
+
static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
const struct iwl_cfg *cfg,
const struct iwl_fw *fw)
@@ -1605,25 +1407,33 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
goto out_free_hw;
/* Read the EEPROM */
- if (iwl_eeprom_init(priv, priv->trans->hw_rev)) {
+ if (iwl_read_eeprom(priv->trans, &priv->eeprom_blob,
+ &priv->eeprom_blob_size)) {
IWL_ERR(priv, "Unable to init EEPROM\n");
goto out_free_hw;
}
+
/* Reset chip to save power until we load uCode during "up". */
iwl_trans_stop_hw(priv->trans, false);
- if (iwl_eeprom_check_version(priv))
+ priv->eeprom_data = iwl_parse_eeprom_data(priv->trans->dev, priv->cfg,
+ priv->eeprom_blob,
+ priv->eeprom_blob_size);
+ if (!priv->eeprom_data)
+ goto out_free_eeprom_blob;
+
+ if (iwl_eeprom_check_version(priv->eeprom_data, priv->trans))
goto out_free_eeprom;
if (iwl_eeprom_init_hw_params(priv))
goto out_free_eeprom;
/* extract MAC Address */
- iwl_eeprom_get_mac(priv, priv->addresses[0].addr);
+ memcpy(priv->addresses[0].addr, priv->eeprom_data->hw_addr, ETH_ALEN);
IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
priv->hw->wiphy->addresses = priv->addresses;
priv->hw->wiphy->n_addresses = 1;
- num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS);
+ num_mac = priv->eeprom_data->n_hw_addrs;
if (num_mac > 1) {
memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
ETH_ALEN);
@@ -1717,8 +1527,10 @@ out_destroy_workqueue:
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
iwl_uninit_drv(priv);
+out_free_eeprom_blob:
+ kfree(priv->eeprom_blob);
out_free_eeprom:
- iwl_eeprom_free(priv);
+ iwl_free_eeprom_data(priv->eeprom_data);
out_free_hw:
ieee80211_free_hw(priv->hw);
out:
@@ -1743,7 +1555,8 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
priv->ucode_loaded = false;
iwl_trans_stop_device(priv->trans);
- iwl_eeprom_free(priv);
+ kfree(priv->eeprom_blob);
+ iwl_free_eeprom_data(priv->eeprom_data);
/*netif_stop_queue(dev); */
flush_workqueue(priv->workqueue);