aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c131
1 files changed, 84 insertions, 47 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
index f10170fe879..c44cf114964 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
*
* 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
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -30,7 +30,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -62,6 +62,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include "iwl-drv.h"
#include "iwl-modparams.h"
#include "iwl-eeprom-parse.h"
@@ -116,6 +117,24 @@ struct iwl_eeprom_calib_hdr {
#define EEPROM_KELVIN_TEMPERATURE ((2*0x12A) | EEPROM_CALIB_ALL)
#define EEPROM_RAW_TEMPERATURE ((2*0x12B) | EEPROM_CALIB_ALL)
+/* SKU Capabilities (actual values from EEPROM definition) */
+enum eeprom_sku_bits {
+ EEPROM_SKU_CAP_BAND_24GHZ = BIT(4),
+ EEPROM_SKU_CAP_BAND_52GHZ = BIT(5),
+ EEPROM_SKU_CAP_11N_ENABLE = BIT(6),
+ EEPROM_SKU_CAP_AMT_ENABLE = BIT(7),
+ EEPROM_SKU_CAP_IPAN_ENABLE = BIT(8)
+};
+
+/* radio config bits (actual values from EEPROM definition) */
+#define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */
+#define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */
+#define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */
+#define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */
+#define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */
+#define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
+
+
/*
* EEPROM bands
* These are the channel numbers from each band in the order
@@ -251,7 +270,7 @@ static const u8 *iwl_eeprom_query_addr(const u8 *eeprom, size_t eeprom_size,
}
static int iwl_eeprom_read_calib(const u8 *eeprom, size_t eeprom_size,
- struct iwl_eeprom_data *data)
+ struct iwl_nvm_data *data)
{
struct iwl_eeprom_calib_hdr *hdr;
@@ -330,7 +349,7 @@ struct iwl_eeprom_enhanced_txpwr {
s8 mimo3_max;
} __packed;
-static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_eeprom_data *data,
+static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_nvm_data *data,
struct iwl_eeprom_enhanced_txpwr *txp)
{
s8 result = 0; /* (.5 dBm) */
@@ -364,7 +383,7 @@ static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_eeprom_data *data,
((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) ? # x " " : "")
static void
-iwl_eeprom_enh_txp_read_element(struct iwl_eeprom_data *data,
+iwl_eeprom_enh_txp_read_element(struct iwl_nvm_data *data,
struct iwl_eeprom_enhanced_txpwr *txp,
int n_channels, s8 max_txpower_avg)
{
@@ -392,7 +411,7 @@ iwl_eeprom_enh_txp_read_element(struct iwl_eeprom_data *data,
}
static void iwl_eeprom_enhanced_txpower(struct device *dev,
- struct iwl_eeprom_data *data,
+ struct iwl_nvm_data *data,
const u8 *eeprom, size_t eeprom_size,
int n_channels)
{
@@ -504,7 +523,7 @@ static void iwl_init_band_reference(const struct iwl_cfg *cfg,
((eeprom_ch->flags & EEPROM_CHANNEL_##x) ? # x " " : "")
static void iwl_mod_ht40_chan_info(struct device *dev,
- struct iwl_eeprom_data *data, int n_channels,
+ struct iwl_nvm_data *data, int n_channels,
enum ieee80211_band band, u16 channel,
const struct iwl_eeprom_channel *eeprom_ch,
u8 clear_ht40_extension_channel)
@@ -547,7 +566,7 @@ static void iwl_mod_ht40_chan_info(struct device *dev,
((eeprom_ch_info[ch_idx].flags & EEPROM_CHANNEL_##x) ? # x " " : "")
static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
- struct iwl_eeprom_data *data,
+ struct iwl_nvm_data *data,
const u8 *eeprom, size_t eeprom_size)
{
int band, ch_idx;
@@ -595,10 +614,10 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
channel->flags = IEEE80211_CHAN_NO_HT40;
if (!(eeprom_ch->flags & EEPROM_CHANNEL_IBSS))
- channel->flags |= IEEE80211_CHAN_NO_IBSS;
+ channel->flags |= IEEE80211_CHAN_NO_IR;
if (!(eeprom_ch->flags & EEPROM_CHANNEL_ACTIVE))
- channel->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+ channel->flags |= IEEE80211_CHAN_NO_IR;
if (eeprom_ch->flags & EEPROM_CHANNEL_RADAR)
channel->flags |= IEEE80211_CHAN_RADAR;
@@ -685,9 +704,9 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
return n_channels;
}
-static int iwl_init_sband_channels(struct iwl_eeprom_data *data,
- struct ieee80211_supported_band *sband,
- int n_channels, enum ieee80211_band band)
+int iwl_init_sband_channels(struct iwl_nvm_data *data,
+ struct ieee80211_supported_band *sband,
+ int n_channels, enum ieee80211_band band)
{
struct ieee80211_channel *chan = &data->channels[0];
int n = 0, idx = 0;
@@ -710,28 +729,34 @@ static int iwl_init_sband_channels(struct iwl_eeprom_data *data,
#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_cfg *cfg,
- struct iwl_eeprom_data *data,
- struct ieee80211_sta_ht_cap *ht_info,
- enum ieee80211_band band)
+void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
+ struct iwl_nvm_data *data,
+ struct ieee80211_sta_ht_cap *ht_info,
+ enum ieee80211_band band,
+ u8 tx_chains, u8 rx_chains)
{
int max_bit_rate = 0;
- u8 rx_chains;
- u8 tx_chains;
- tx_chains = hweight8(data->valid_tx_ant);
+ tx_chains = hweight8(tx_chains);
if (cfg->rx_with_siso_diversity)
rx_chains = 1;
else
- rx_chains = hweight8(data->valid_rx_ant);
+ rx_chains = hweight8(rx_chains);
- if (!(data->sku & EEPROM_SKU_CAP_11N_ENABLE) || !cfg->ht_params) {
+ if (!(data->sku_cap_11n_enable) || !cfg->ht_params) {
ht_info->ht_supported = false;
return;
}
ht_info->ht_supported = true;
- ht_info->cap = 0;
+ 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 (iwlwifi_mod_params.amsdu_size_8K)
ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
@@ -773,7 +798,7 @@ static void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg,
}
static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
- struct iwl_eeprom_data *data,
+ struct iwl_nvm_data *data,
const u8 *eeprom, size_t eeprom_size)
{
int n_channels = iwl_init_channel_map(dev, cfg, data,
@@ -787,7 +812,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
sband->n_bitrates = N_RATES_24;
n_used += iwl_init_sband_channels(data, sband, n_channels,
IEEE80211_BAND_2GHZ);
- iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ);
+ iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ,
+ data->valid_tx_ant, data->valid_rx_ant);
sband = &data->bands[IEEE80211_BAND_5GHZ];
sband->band = IEEE80211_BAND_5GHZ;
@@ -795,7 +821,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
sband->n_bitrates = N_RATES_52;
n_used += iwl_init_sband_channels(data, sband, n_channels,
IEEE80211_BAND_5GHZ);
- iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ);
+ iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
+ data->valid_tx_ant, data->valid_rx_ant);
if (n_channels != n_used)
IWL_ERR_DEV(dev, "EEPROM: used only %d of %d channels\n",
@@ -804,12 +831,13 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
/* EEPROM data functions */
-struct iwl_eeprom_data *
+struct iwl_nvm_data *
iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
const u8 *eeprom, size_t eeprom_size)
{
- struct iwl_eeprom_data *data;
+ struct iwl_nvm_data *data;
const void *tmp;
+ u16 radio_cfg, sku;
if (WARN_ON(!cfg || !cfg->eeprom_params))
return NULL;
@@ -849,18 +877,27 @@ iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
data->kelvin_temperature = *(__le16 *)tmp;
data->kelvin_voltage = *((__le16 *)tmp + 1);
- data->radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size,
+ radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size,
EEPROM_RADIO_CONFIG);
- data->sku = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_SKU_CAP);
+ data->radio_cfg_dash = EEPROM_RF_CFG_DASH_MSK(radio_cfg);
+ data->radio_cfg_pnum = EEPROM_RF_CFG_PNUM_MSK(radio_cfg);
+ data->radio_cfg_step = EEPROM_RF_CFG_STEP_MSK(radio_cfg);
+ data->radio_cfg_type = EEPROM_RF_CFG_TYPE_MSK(radio_cfg);
+ data->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg);
+ data->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+
+ sku = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_SKU_CAP);
+ data->sku_cap_11n_enable = sku & EEPROM_SKU_CAP_11N_ENABLE;
+ data->sku_cap_amt_enable = sku & EEPROM_SKU_CAP_AMT_ENABLE;
+ data->sku_cap_band_24GHz_enable = sku & EEPROM_SKU_CAP_BAND_24GHZ;
+ data->sku_cap_band_52GHz_enable = sku & EEPROM_SKU_CAP_BAND_52GHZ;
+ data->sku_cap_ipan_enable = sku & EEPROM_SKU_CAP_IPAN_ENABLE;
if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
- data->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
-
- data->eeprom_version = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_VERSION);
+ data->sku_cap_11n_enable = false;
- data->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(data->radio_cfg);
- data->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(data->radio_cfg);
+ data->nvm_version = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_VERSION);
/* check overrides (some devices have wrong EEPROM) */
if (cfg->valid_tx_ant)
@@ -881,23 +918,23 @@ iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg,
kfree(data);
return NULL;
}
-EXPORT_SYMBOL_GPL(iwl_parse_eeprom_data);
+IWL_EXPORT_SYMBOL(iwl_parse_eeprom_data);
/* helper functions */
-int iwl_eeprom_check_version(struct iwl_eeprom_data *data,
+int iwl_nvm_check_version(struct iwl_nvm_data *data,
struct iwl_trans *trans)
{
- if (data->eeprom_version >= trans->cfg->eeprom_ver ||
- data->calib_version >= trans->cfg->eeprom_calib_ver) {
- IWL_INFO(trans, "device EEPROM VER=0x%x, CALIB=0x%x\n",
- data->eeprom_version, data->calib_version);
+ if (data->nvm_version >= trans->cfg->nvm_ver ||
+ data->calib_version >= trans->cfg->nvm_calib_ver) {
+ IWL_DEBUG_INFO(trans, "device EEPROM VER=0x%x, CALIB=0x%x\n",
+ data->nvm_version, data->calib_version);
return 0;
}
IWL_ERR(trans,
"Unsupported (too old) EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
- data->eeprom_version, trans->cfg->eeprom_ver,
- data->calib_version, trans->cfg->eeprom_calib_ver);
+ data->nvm_version, trans->cfg->nvm_ver,
+ data->calib_version, trans->cfg->nvm_calib_ver);
return -EINVAL;
}
-EXPORT_SYMBOL_GPL(iwl_eeprom_check_version);
+IWL_EXPORT_SYMBOL(iwl_nvm_check_version);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 20:56:30 +0000