@@ -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
@@ -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
@@ -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"
@@ -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"
@@ -13,6 +13,641 @@
#include "iwl-csr.h"
#include "agn.h"
+/* EEPROM offset definitions */
+
+/* indirect access definitions */
+#define ADDRESS_MSK 0x0000FFFF
+#define INDIRECT_TYPE_MSK 0x000F0000
+#define INDIRECT_HOST 0x00010000
+#define INDIRECT_GENERAL 0x00020000
+#define INDIRECT_REGULATORY 0x00030000
+#define INDIRECT_CALIBRATION 0x00040000
+#define INDIRECT_PROCESS_ADJST 0x00050000
+#define INDIRECT_OTHERS 0x00060000
+#define INDIRECT_TXP_LIMIT 0x00070000
+#define INDIRECT_TXP_LIMIT_SIZE 0x00080000
+#define INDIRECT_ADDRESS 0x00100000
+
+/* corresponding link offsets in EEPROM */
+#define EEPROM_LINK_HOST (2*0x64)
+#define EEPROM_LINK_GENERAL (2*0x65)
+#define EEPROM_LINK_REGULATORY (2*0x66)
+#define EEPROM_LINK_CALIBRATION (2*0x67)
+#define EEPROM_LINK_PROCESS_ADJST (2*0x68)
+#define EEPROM_LINK_OTHERS (2*0x69)
+#define EEPROM_LINK_TXP_LIMIT (2*0x6a)
+#define EEPROM_LINK_TXP_LIMIT_SIZE (2*0x6b)
+
+/* General */
+#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */
+#define EEPROM_SUBSYSTEM_ID (2*0x0A) /* 2 bytes */
+#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */
+#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */
+#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */
+#define EEPROM_VERSION (2*0x44) /* 2 bytes */
+#define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */
+#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */
+#define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */
+#define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */
+
+/* calibration */
+struct iwl_eeprom_calib_hdr {
+ u8 version;
+ u8 pa_type;
+ __le16 voltage;
+} __packed;
+
+#define EEPROM_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION)
+#define EEPROM_XTAL ((2*0x128) | EEPROM_CALIB_ALL)
+
+/* temperature */
+#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
+ * that they are stored in the EEPROM band information. Note
+ * that EEPROM bands aren't the same as mac80211 bands, and
+ * there are even special "ht40 bands" in the EEPROM.
+ */
+static const u8 iwl_eeprom_band_1[14] = { /* 2.4 GHz */
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
+};
+
+static const u8 iwl_eeprom_band_2[] = { /* 4915-5080MHz */
+ 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16
+};
+
+static const u8 iwl_eeprom_band_3[] = { /* 5170-5320MHz */
+ 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
+};
+
+static const u8 iwl_eeprom_band_4[] = { /* 5500-5700MHz */
+ 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
+};
+
+static const u8 iwl_eeprom_band_5[] = { /* 5725-5825MHz */
+ 145, 149, 153, 157, 161, 165
+};
+
+static const u8 iwl_eeprom_band_6[] = { /* 2.4 ht40 channel */
+ 1, 2, 3, 4, 5, 6, 7
+};
+
+static const u8 iwl_eeprom_band_7[] = { /* 5.2 ht40 channel */
+ 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157
+};
+
+#define IWL_NUM_CHANNELS (ARRAY_SIZE(iwl_eeprom_band_1) + \
+ ARRAY_SIZE(iwl_eeprom_band_2) + \
+ ARRAY_SIZE(iwl_eeprom_band_3) + \
+ ARRAY_SIZE(iwl_eeprom_band_4) + \
+ ARRAY_SIZE(iwl_eeprom_band_5))
+
+/* rate data (static) */
+static struct ieee80211_rate iwl_cfg80211_rates[] = {
+ { .bitrate = 1 * 10, .hw_value = 0, .hw_value_short = 0, },
+ { .bitrate = 2 * 10, .hw_value = 1, .hw_value_short = 1,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
+ { .bitrate = 5.5 * 10, .hw_value = 2, .hw_value_short = 2,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
+ { .bitrate = 11 * 10, .hw_value = 3, .hw_value_short = 3,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
+ { .bitrate = 6 * 10, .hw_value = 4, .hw_value_short = 4, },
+ { .bitrate = 9 * 10, .hw_value = 5, .hw_value_short = 5, },
+ { .bitrate = 12 * 10, .hw_value = 6, .hw_value_short = 6, },
+ { .bitrate = 18 * 10, .hw_value = 7, .hw_value_short = 7, },
+ { .bitrate = 24 * 10, .hw_value = 8, .hw_value_short = 8, },
+ { .bitrate = 36 * 10, .hw_value = 9, .hw_value_short = 9, },
+ { .bitrate = 48 * 10, .hw_value = 10, .hw_value_short = 10, },
+ { .bitrate = 54 * 10, .hw_value = 11, .hw_value_short = 11, },
+};
+#define RATES_24_OFFS 0
+#define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates)
+#define RATES_52_OFFS 4
+#define N_RATES_52 (N_RATES_24 - RATES_52_OFFS)
+
+/* EEPROM reading functions */
+
+static u16 iwl_eeprom_query16(const u8 *eeprom, size_t eeprom_size, int offset)
+{
+ if (WARN_ON(offset + sizeof(u16) > eeprom_size))
+ return 0;
+ return le16_to_cpup((__le16 *)(eeprom + offset));
+}
+
+static u32 eeprom_indirect_address(const u8 *eeprom, size_t eeprom_size,
+ u32 address)
+{
+ u16 offset = 0;
+
+ if ((address & INDIRECT_ADDRESS) == 0)
+ return address;
+
+ switch (address & INDIRECT_TYPE_MSK) {
+ case INDIRECT_HOST:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_HOST);
+ break;
+ case INDIRECT_GENERAL:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_GENERAL);
+ break;
+ case INDIRECT_REGULATORY:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_REGULATORY);
+ break;
+ case INDIRECT_TXP_LIMIT:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_TXP_LIMIT);
+ break;
+ case INDIRECT_TXP_LIMIT_SIZE:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_TXP_LIMIT_SIZE);
+ break;
+ case INDIRECT_CALIBRATION:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_CALIBRATION);
+ break;
+ case INDIRECT_PROCESS_ADJST:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_PROCESS_ADJST);
+ break;
+ case INDIRECT_OTHERS:
+ offset = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_LINK_OTHERS);
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ /* translate the offset from words to byte */
+ return (address & ADDRESS_MSK) + (offset << 1);
+}
+
+static const u8 *iwl_eeprom_query_addr(const u8 *eeprom, size_t eeprom_size,
+ u32 offset)
+{
+ u32 address = eeprom_indirect_address(eeprom, eeprom_size, offset);
+
+ if (WARN_ON(address >= eeprom_size))
+ return NULL;
+
+ return &eeprom[address];
+}
+
+static int iwl_eeprom_read_calib(const u8 *eeprom, size_t eeprom_size,
+ struct iwl_nvm_data *data)
+{
+ struct iwl_eeprom_calib_hdr *hdr;
+
+ hdr = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size,
+ EEPROM_CALIB_ALL);
+ if (!hdr)
+ return -ENODATA;
+ data->calib_version = hdr->version;
+ data->calib_voltage = hdr->voltage;
+
+ return 0;
+}
+
+/**
+ * enum iwl_eeprom_channel_flags - channel flags in EEPROM
+ * @EEPROM_CHANNEL_VALID: channel is usable for this SKU/geo
+ * @EEPROM_CHANNEL_IBSS: usable as an IBSS channel
+ * @EEPROM_CHANNEL_ACTIVE: active scanning allowed
+ * @EEPROM_CHANNEL_RADAR: radar detection required
+ * @EEPROM_CHANNEL_WIDE: 20 MHz channel okay (?)
+ * @EEPROM_CHANNEL_DFS: dynamic freq selection candidate
+ */
+enum iwl_eeprom_channel_flags {
+ EEPROM_CHANNEL_VALID = BIT(0),
+ EEPROM_CHANNEL_IBSS = BIT(1),
+ EEPROM_CHANNEL_ACTIVE = BIT(3),
+ EEPROM_CHANNEL_RADAR = BIT(4),
+ EEPROM_CHANNEL_WIDE = BIT(5),
+ EEPROM_CHANNEL_DFS = BIT(7),
+};
+
+/**
+ * struct iwl_eeprom_channel - EEPROM channel data
+ * @flags: %EEPROM_CHANNEL_* flags
+ * @max_power_avg: max power (in dBm) on this channel, at most 31 dBm
+ */
+struct iwl_eeprom_channel {
+ u8 flags;
+ s8 max_power_avg;
+} __packed;
+
+enum iwl_eeprom_enhanced_txpwr_flags {
+ IWL_EEPROM_ENH_TXP_FL_VALID = BIT(0),
+ IWL_EEPROM_ENH_TXP_FL_BAND_52G = BIT(1),
+ IWL_EEPROM_ENH_TXP_FL_OFDM = BIT(2),
+ IWL_EEPROM_ENH_TXP_FL_40MHZ = BIT(3),
+ IWL_EEPROM_ENH_TXP_FL_HT_AP = BIT(4),
+ IWL_EEPROM_ENH_TXP_FL_RES1 = BIT(5),
+ IWL_EEPROM_ENH_TXP_FL_RES2 = BIT(6),
+ IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE = BIT(7),
+};
+
+/**
+ * struct iwl_eeprom_enhanced_txpwr - enhanced regulatory TX power limits
+ * @flags: entry flags
+ * @channel: channel number
+ * @chain_a_max: chain a max power in 1/2 dBm
+ * @chain_b_max: chain b max power in 1/2 dBm
+ * @chain_c_max: chain c max power in 1/2 dBm
+ * @delta_20_in_40: 20-in-40 deltas (hi/lo)
+ * @mimo2_max: mimo2 max power in 1/2 dBm
+ * @mimo3_max: mimo3 max power in 1/2 dBm
+ *
+ * This structure presents the enhanced regulatory tx power limit layout
+ * in an EEPROM image.
+ */
+struct iwl_eeprom_enhanced_txpwr {
+ u8 flags;
+ u8 channel;
+ s8 chain_a_max;
+ s8 chain_b_max;
+ s8 chain_c_max;
+ u8 delta_20_in_40;
+ s8 mimo2_max;
+ s8 mimo3_max;
+} __packed;
+
+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) */
+
+ /* Take the highest tx power from any valid chains */
+ if (data->valid_tx_ant & ANT_A && txp->chain_a_max > result)
+ result = txp->chain_a_max;
+
+ if (data->valid_tx_ant & ANT_B && txp->chain_b_max > result)
+ result = txp->chain_b_max;
+
+ if (data->valid_tx_ant & ANT_C && txp->chain_c_max > result)
+ result = txp->chain_c_max;
+
+ if ((data->valid_tx_ant == ANT_AB ||
+ data->valid_tx_ant == ANT_BC ||
+ data->valid_tx_ant == ANT_AC) && txp->mimo2_max > result)
+ result = txp->mimo2_max;
+
+ if (data->valid_tx_ant == ANT_ABC && txp->mimo3_max > result)
+ result = txp->mimo3_max;
+
+ return result;
+}
+
+#define EEPROM_TXP_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT)
+#define EEPROM_TXP_ENTRY_LEN sizeof(struct iwl_eeprom_enhanced_txpwr)
+#define EEPROM_TXP_SZ_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT_SIZE)
+
+#define TXP_CHECK_AND_PRINT(x) \
+ ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) ? # x " " : "")
+
+static void
+iwl_eeprom_enh_txp_read_element(struct iwl_nvm_data *data,
+ struct iwl_eeprom_enhanced_txpwr *txp,
+ int n_channels, s8 max_txpower_avg)
+{
+ int ch_idx;
+ enum nl80211_band band;
+
+ band = txp->flags & IWL_EEPROM_ENH_TXP_FL_BAND_52G ?
+ NL80211_BAND_5GHZ : NL80211_BAND_2GHZ;
+
+ for (ch_idx = 0; ch_idx < n_channels; ch_idx++) {
+ struct ieee80211_channel *chan = &data->channels[ch_idx];
+
+ /* update matching channel or from common data only */
+ if (txp->channel != 0 && chan->hw_value != txp->channel)
+ continue;
+
+ /* update matching band only */
+ if (band != chan->band)
+ continue;
+
+ if (chan->max_power < max_txpower_avg &&
+ !(txp->flags & IWL_EEPROM_ENH_TXP_FL_40MHZ))
+ chan->max_power = max_txpower_avg;
+ }
+}
+
+static void iwl_eeprom_enhanced_txpower(struct device *dev,
+ struct iwl_nvm_data *data,
+ const u8 *eeprom, size_t eeprom_size,
+ int n_channels)
+{
+ struct iwl_eeprom_enhanced_txpwr *txp_array, *txp;
+ int idx, entries;
+ __le16 *txp_len;
+ s8 max_txp_avg_halfdbm;
+
+ BUILD_BUG_ON(sizeof(struct iwl_eeprom_enhanced_txpwr) != 8);
+
+ /* the length is in 16-bit words, but we want entries */
+ txp_len = (__le16 *)iwl_eeprom_query_addr(eeprom, eeprom_size,
+ EEPROM_TXP_SZ_OFFS);
+ entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN;
+
+ txp_array = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size,
+ EEPROM_TXP_OFFS);
+
+ for (idx = 0; idx < entries; idx++) {
+ txp = &txp_array[idx];
+ /* skip invalid entries */
+ if (!(txp->flags & IWL_EEPROM_ENH_TXP_FL_VALID))
+ continue;
+
+ IWL_DEBUG_EEPROM(dev, "%s %d:\t %s%s%s%s%s%s%s%s (0x%02x)\n",
+ (txp->channel && (txp->flags &
+ IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE)) ?
+ "Common " : (txp->channel) ?
+ "Channel" : "Common",
+ (txp->channel),
+ TXP_CHECK_AND_PRINT(VALID),
+ TXP_CHECK_AND_PRINT(BAND_52G),
+ TXP_CHECK_AND_PRINT(OFDM),
+ TXP_CHECK_AND_PRINT(40MHZ),
+ TXP_CHECK_AND_PRINT(HT_AP),
+ TXP_CHECK_AND_PRINT(RES1),
+ TXP_CHECK_AND_PRINT(RES2),
+ TXP_CHECK_AND_PRINT(COMMON_TYPE),
+ txp->flags);
+ IWL_DEBUG_EEPROM(dev,
+ "\t\t chain_A: %d chain_B: %d chain_C: %d\n",
+ txp->chain_a_max, txp->chain_b_max,
+ txp->chain_c_max);
+ IWL_DEBUG_EEPROM(dev,
+ "\t\t MIMO2: %d MIMO3: %d High 20_on_40: 0x%02x Low 20_on_40: 0x%02x\n",
+ txp->mimo2_max, txp->mimo3_max,
+ ((txp->delta_20_in_40 & 0xf0) >> 4),
+ (txp->delta_20_in_40 & 0x0f));
+
+ max_txp_avg_halfdbm = iwl_get_max_txpwr_half_dbm(data, txp);
+
+ iwl_eeprom_enh_txp_read_element(data, txp, n_channels,
+ DIV_ROUND_UP(max_txp_avg_halfdbm, 2));
+
+ if (max_txp_avg_halfdbm > data->max_tx_pwr_half_dbm)
+ data->max_tx_pwr_half_dbm = max_txp_avg_halfdbm;
+ }
+}
+
+static void iwl_init_band_reference(const struct iwl_cfg *cfg,
+ const u8 *eeprom, size_t eeprom_size,
+ int eeprom_band, int *eeprom_ch_count,
+ const struct iwl_eeprom_channel **ch_info,
+ const u8 **eeprom_ch_array)
+{
+ u32 offset = cfg->eeprom_params->regulatory_bands[eeprom_band - 1];
+
+ offset |= INDIRECT_ADDRESS | INDIRECT_REGULATORY;
+
+ *ch_info = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size, offset);
+
+ switch (eeprom_band) {
+ case 1: /* 2.4GHz band */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1);
+ *eeprom_ch_array = iwl_eeprom_band_1;
+ break;
+ case 2: /* 4.9GHz band */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2);
+ *eeprom_ch_array = iwl_eeprom_band_2;
+ break;
+ case 3: /* 5.2GHz band */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3);
+ *eeprom_ch_array = iwl_eeprom_band_3;
+ break;
+ case 4: /* 5.5GHz band */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4);
+ *eeprom_ch_array = iwl_eeprom_band_4;
+ break;
+ case 5: /* 5.7GHz band */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5);
+ *eeprom_ch_array = iwl_eeprom_band_5;
+ break;
+ case 6: /* 2.4GHz ht40 channels */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_6);
+ *eeprom_ch_array = iwl_eeprom_band_6;
+ break;
+ case 7: /* 5 GHz ht40 channels */
+ *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_7);
+ *eeprom_ch_array = iwl_eeprom_band_7;
+ break;
+ default:
+ *eeprom_ch_count = 0;
+ *eeprom_ch_array = NULL;
+ WARN_ON(1);
+ }
+}
+
+#define CHECK_AND_PRINT(x) \
+ ((eeprom_ch->flags & EEPROM_CHANNEL_##x) ? # x " " : "")
+
+static void iwl_mod_ht40_chan_info(struct device *dev,
+ struct iwl_nvm_data *data, int n_channels,
+ enum nl80211_band band, u16 channel,
+ const struct iwl_eeprom_channel *eeprom_ch,
+ u8 clear_ht40_extension_channel)
+{
+ struct ieee80211_channel *chan = NULL;
+ int i;
+
+ for (i = 0; i < n_channels; i++) {
+ if (data->channels[i].band != band)
+ continue;
+ if (data->channels[i].hw_value != channel)
+ continue;
+ chan = &data->channels[i];
+ break;
+ }
+
+ if (!chan)
+ return;
+
+ IWL_DEBUG_EEPROM(dev,
+ "HT40 Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
+ channel,
+ band == NL80211_BAND_5GHZ ? "5.2" : "2.4",
+ CHECK_AND_PRINT(IBSS),
+ CHECK_AND_PRINT(ACTIVE),
+ CHECK_AND_PRINT(RADAR),
+ CHECK_AND_PRINT(WIDE),
+ CHECK_AND_PRINT(DFS),
+ eeprom_ch->flags,
+ eeprom_ch->max_power_avg,
+ ((eeprom_ch->flags & EEPROM_CHANNEL_IBSS) &&
+ !(eeprom_ch->flags & EEPROM_CHANNEL_RADAR)) ? ""
+ : "not ");
+
+ if (eeprom_ch->flags & EEPROM_CHANNEL_VALID)
+ chan->flags &= ~clear_ht40_extension_channel;
+}
+
+#define CHECK_AND_PRINT_I(x) \
+ ((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_nvm_data *data,
+ const u8 *eeprom, size_t eeprom_size)
+{
+ int band, ch_idx;
+ const struct iwl_eeprom_channel *eeprom_ch_info;
+ const u8 *eeprom_ch_array;
+ int eeprom_ch_count;
+ int n_channels = 0;
+
+ /*
+ * Loop through the 5 EEPROM bands and add them to the parse list
+ */
+ for (band = 1; band <= 5; band++) {
+ struct ieee80211_channel *channel;
+
+ iwl_init_band_reference(cfg, eeprom, eeprom_size, band,
+ &eeprom_ch_count, &eeprom_ch_info,
+ &eeprom_ch_array);
+
+ /* Loop through each band adding each of the channels */
+ for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) {
+ const struct iwl_eeprom_channel *eeprom_ch;
+
+ eeprom_ch = &eeprom_ch_info[ch_idx];
+
+ if (!(eeprom_ch->flags & EEPROM_CHANNEL_VALID)) {
+ IWL_DEBUG_EEPROM(dev,
+ "Ch. %d Flags %x [%sGHz] - No traffic\n",
+ eeprom_ch_array[ch_idx],
+ eeprom_ch_info[ch_idx].flags,
+ (band != 1) ? "5.2" : "2.4");
+ continue;
+ }
+
+ channel = &data->channels[n_channels];
+ n_channels++;
+
+ channel->hw_value = eeprom_ch_array[ch_idx];
+ channel->band = (band == 1) ? NL80211_BAND_2GHZ
+ : NL80211_BAND_5GHZ;
+ channel->center_freq =
+ ieee80211_channel_to_frequency(
+ channel->hw_value, channel->band);
+
+ /* set no-HT40, will enable as appropriate later */
+ channel->flags = IEEE80211_CHAN_NO_HT40;
+
+ if (!(eeprom_ch->flags & EEPROM_CHANNEL_IBSS))
+ channel->flags |= IEEE80211_CHAN_NO_IR;
+
+ if (!(eeprom_ch->flags & EEPROM_CHANNEL_ACTIVE))
+ channel->flags |= IEEE80211_CHAN_NO_IR;
+
+ if (eeprom_ch->flags & EEPROM_CHANNEL_RADAR)
+ channel->flags |= IEEE80211_CHAN_RADAR;
+
+ /* Initialize regulatory-based run-time data */
+ channel->max_power =
+ eeprom_ch_info[ch_idx].max_power_avg;
+ IWL_DEBUG_EEPROM(dev,
+ "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
+ channel->hw_value,
+ (band != 1) ? "5.2" : "2.4",
+ CHECK_AND_PRINT_I(VALID),
+ CHECK_AND_PRINT_I(IBSS),
+ CHECK_AND_PRINT_I(ACTIVE),
+ CHECK_AND_PRINT_I(RADAR),
+ CHECK_AND_PRINT_I(WIDE),
+ CHECK_AND_PRINT_I(DFS),
+ eeprom_ch_info[ch_idx].flags,
+ eeprom_ch_info[ch_idx].max_power_avg,
+ ((eeprom_ch_info[ch_idx].flags &
+ EEPROM_CHANNEL_IBSS) &&
+ !(eeprom_ch_info[ch_idx].flags &
+ EEPROM_CHANNEL_RADAR))
+ ? "" : "not ");
+ }
+ }
+
+ if (cfg->eeprom_params->enhanced_txpower) {
+ /*
+ * for newer device (6000 series and up)
+ * EEPROM contain enhanced tx power information
+ * driver need to process addition information
+ * to determine the max channel tx power limits
+ */
+ iwl_eeprom_enhanced_txpower(dev, data, eeprom, eeprom_size,
+ n_channels);
+ } else {
+ /* All others use data from channel map */
+ int i;
+
+ data->max_tx_pwr_half_dbm = -128;
+
+ for (i = 0; i < n_channels; i++)
+ data->max_tx_pwr_half_dbm =
+ max_t(s8, data->max_tx_pwr_half_dbm,
+ data->channels[i].max_power * 2);
+ }
+
+ /* Check if we do have HT40 channels */
+ if (cfg->eeprom_params->regulatory_bands[5] ==
+ EEPROM_REGULATORY_BAND_NO_HT40 &&
+ cfg->eeprom_params->regulatory_bands[6] ==
+ EEPROM_REGULATORY_BAND_NO_HT40)
+ return n_channels;
+
+ /* Two additional EEPROM bands for 2.4 and 5 GHz HT40 channels */
+ for (band = 6; band <= 7; band++) {
+ enum nl80211_band ieeeband;
+
+ iwl_init_band_reference(cfg, eeprom, eeprom_size, band,
+ &eeprom_ch_count, &eeprom_ch_info,
+ &eeprom_ch_array);
+
+ /* EEPROM band 6 is 2.4, band 7 is 5 GHz */
+ ieeeband = (band == 6) ? NL80211_BAND_2GHZ
+ : NL80211_BAND_5GHZ;
+
+ /* Loop through each band adding each of the channels */
+ for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) {
+ /* Set up driver's info for lower half */
+ iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband,
+ eeprom_ch_array[ch_idx],
+ &eeprom_ch_info[ch_idx],
+ IEEE80211_CHAN_NO_HT40PLUS);
+
+ /* Set up driver's info for upper half */
+ iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband,
+ eeprom_ch_array[ch_idx] + 4,
+ &eeprom_ch_info[ch_idx],
+ IEEE80211_CHAN_NO_HT40MINUS);
+ }
+ }
+
+ return n_channels;
+}
/*
* EEPROM access time values:
*
@@ -391,3 +1026,125 @@ int iwl_read_eeprom(struct iwl_trans *trans, u8 **eeprom, size_t *eeprom_size)
return ret;
}
+
+static void iwl_init_sbands(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+ struct iwl_nvm_data *data,
+ const u8 *eeprom, size_t eeprom_size)
+{
+ struct device *dev = trans->dev;
+ int n_channels = iwl_init_channel_map(dev, cfg, data,
+ eeprom, eeprom_size);
+ int n_used = 0;
+ struct ieee80211_supported_band *sband;
+
+ sband = &data->bands[NL80211_BAND_2GHZ];
+ sband->band = NL80211_BAND_2GHZ;
+ sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
+ sband->n_bitrates = N_RATES_24;
+ n_used += iwl_init_sband_channels(data, sband, n_channels,
+ NL80211_BAND_2GHZ);
+ iwl_init_ht_hw_capab(trans, data, &sband->ht_cap, NL80211_BAND_2GHZ,
+ data->valid_tx_ant, data->valid_rx_ant);
+
+ sband = &data->bands[NL80211_BAND_5GHZ];
+ sband->band = NL80211_BAND_5GHZ;
+ sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
+ sband->n_bitrates = N_RATES_52;
+ n_used += iwl_init_sband_channels(data, sband, n_channels,
+ NL80211_BAND_5GHZ);
+ iwl_init_ht_hw_capab(trans, data, &sband->ht_cap, NL80211_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",
+ n_used, n_channels);
+}
+
+/* EEPROM data functions */
+struct iwl_nvm_data *
+iwl_parse_eeprom_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+ const u8 *eeprom, size_t eeprom_size)
+{
+ struct iwl_nvm_data *data;
+ struct device *dev = trans->dev;
+ const void *tmp;
+ u16 radio_cfg, sku;
+
+ if (WARN_ON(!cfg || !cfg->eeprom_params))
+ return NULL;
+
+ data = kzalloc(struct_size(data, channels, IWL_NUM_CHANNELS),
+ GFP_KERNEL);
+ if (!data)
+ return NULL;
+
+ /* get MAC address(es) */
+ tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_MAC_ADDRESS);
+ if (!tmp)
+ goto err_free;
+ memcpy(data->hw_addr, tmp, ETH_ALEN);
+ data->n_hw_addrs = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_NUM_MAC_ADDRESS);
+
+ if (iwl_eeprom_read_calib(eeprom, eeprom_size, data))
+ goto err_free;
+
+ tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_XTAL);
+ if (!tmp)
+ goto err_free;
+ memcpy(data->xtal_calib, tmp, sizeof(data->xtal_calib));
+
+ tmp = iwl_eeprom_query_addr(eeprom, eeprom_size,
+ EEPROM_RAW_TEMPERATURE);
+ if (!tmp)
+ goto err_free;
+ data->raw_temperature = *(__le16 *)tmp;
+
+ tmp = iwl_eeprom_query_addr(eeprom, eeprom_size,
+ EEPROM_KELVIN_TEMPERATURE);
+ if (!tmp)
+ goto err_free;
+ data->kelvin_temperature = *(__le16 *)tmp;
+ data->kelvin_voltage = *((__le16 *)tmp + 1);
+
+ radio_cfg =
+ iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_RADIO_CONFIG);
+ 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_cap_11n_enable = false;
+
+ data->nvm_version = iwl_eeprom_query16(eeprom, eeprom_size,
+ EEPROM_VERSION);
+
+ /* check overrides (some devices have wrong EEPROM) */
+ if (cfg->valid_tx_ant)
+ data->valid_tx_ant = cfg->valid_tx_ant;
+ if (cfg->valid_rx_ant)
+ data->valid_rx_ant = cfg->valid_rx_ant;
+
+ if (!data->valid_tx_ant || !data->valid_rx_ant) {
+ IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n",
+ data->valid_tx_ant, data->valid_rx_ant);
+ goto err_free;
+ }
+
+ iwl_init_sbands(trans, cfg, data, eeprom, eeprom_size);
+
+ return data;
+ err_free:
+ kfree(data);
+ return NULL;
+}
@@ -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"
@@ -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"
deleted file mode 100644
@@ -1,882 +0,0 @@
-// 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-eeprom-parse.h"
-
-#if IS_ENABLED(CONFIG_IWLDVM)
-/* EEPROM offset definitions */
-
-/* indirect access definitions */
-#define ADDRESS_MSK 0x0000FFFF
-#define INDIRECT_TYPE_MSK 0x000F0000
-#define INDIRECT_HOST 0x00010000
-#define INDIRECT_GENERAL 0x00020000
-#define INDIRECT_REGULATORY 0x00030000
-#define INDIRECT_CALIBRATION 0x00040000
-#define INDIRECT_PROCESS_ADJST 0x00050000
-#define INDIRECT_OTHERS 0x00060000
-#define INDIRECT_TXP_LIMIT 0x00070000
-#define INDIRECT_TXP_LIMIT_SIZE 0x00080000
-#define INDIRECT_ADDRESS 0x00100000
-
-/* corresponding link offsets in EEPROM */
-#define EEPROM_LINK_HOST (2*0x64)
-#define EEPROM_LINK_GENERAL (2*0x65)
-#define EEPROM_LINK_REGULATORY (2*0x66)
-#define EEPROM_LINK_CALIBRATION (2*0x67)
-#define EEPROM_LINK_PROCESS_ADJST (2*0x68)
-#define EEPROM_LINK_OTHERS (2*0x69)
-#define EEPROM_LINK_TXP_LIMIT (2*0x6a)
-#define EEPROM_LINK_TXP_LIMIT_SIZE (2*0x6b)
-
-/* General */
-#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */
-#define EEPROM_SUBSYSTEM_ID (2*0x0A) /* 2 bytes */
-#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */
-#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */
-#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */
-#define EEPROM_VERSION (2*0x44) /* 2 bytes */
-#define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */
-#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */
-#define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */
-#define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */
-
-/* calibration */
-struct iwl_eeprom_calib_hdr {
- u8 version;
- u8 pa_type;
- __le16 voltage;
-} __packed;
-
-#define EEPROM_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION)
-#define EEPROM_XTAL ((2*0x128) | EEPROM_CALIB_ALL)
-
-/* temperature */
-#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
- * that they are stored in the EEPROM band information. Note
- * that EEPROM bands aren't the same as mac80211 bands, and
- * there are even special "ht40 bands" in the EEPROM.
- */
-static const u8 iwl_eeprom_band_1[14] = { /* 2.4 GHz */
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
-};
-
-static const u8 iwl_eeprom_band_2[] = { /* 4915-5080MHz */
- 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16
-};
-
-static const u8 iwl_eeprom_band_3[] = { /* 5170-5320MHz */
- 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
-};
-
-static const u8 iwl_eeprom_band_4[] = { /* 5500-5700MHz */
- 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
-};
-
-static const u8 iwl_eeprom_band_5[] = { /* 5725-5825MHz */
- 145, 149, 153, 157, 161, 165
-};
-
-static const u8 iwl_eeprom_band_6[] = { /* 2.4 ht40 channel */
- 1, 2, 3, 4, 5, 6, 7
-};
-
-static const u8 iwl_eeprom_band_7[] = { /* 5.2 ht40 channel */
- 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157
-};
-
-#define IWL_NUM_CHANNELS (ARRAY_SIZE(iwl_eeprom_band_1) + \
- ARRAY_SIZE(iwl_eeprom_band_2) + \
- ARRAY_SIZE(iwl_eeprom_band_3) + \
- ARRAY_SIZE(iwl_eeprom_band_4) + \
- ARRAY_SIZE(iwl_eeprom_band_5))
-
-/* rate data (static) */
-static struct ieee80211_rate iwl_cfg80211_rates[] = {
- { .bitrate = 1 * 10, .hw_value = 0, .hw_value_short = 0, },
- { .bitrate = 2 * 10, .hw_value = 1, .hw_value_short = 1,
- .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
- { .bitrate = 5.5 * 10, .hw_value = 2, .hw_value_short = 2,
- .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
- { .bitrate = 11 * 10, .hw_value = 3, .hw_value_short = 3,
- .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
- { .bitrate = 6 * 10, .hw_value = 4, .hw_value_short = 4, },
- { .bitrate = 9 * 10, .hw_value = 5, .hw_value_short = 5, },
- { .bitrate = 12 * 10, .hw_value = 6, .hw_value_short = 6, },
- { .bitrate = 18 * 10, .hw_value = 7, .hw_value_short = 7, },
- { .bitrate = 24 * 10, .hw_value = 8, .hw_value_short = 8, },
- { .bitrate = 36 * 10, .hw_value = 9, .hw_value_short = 9, },
- { .bitrate = 48 * 10, .hw_value = 10, .hw_value_short = 10, },
- { .bitrate = 54 * 10, .hw_value = 11, .hw_value_short = 11, },
-};
-#define RATES_24_OFFS 0
-#define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates)
-#define RATES_52_OFFS 4
-#define N_RATES_52 (N_RATES_24 - RATES_52_OFFS)
-
-/* EEPROM reading functions */
-
-static u16 iwl_eeprom_query16(const u8 *eeprom, size_t eeprom_size, int offset)
-{
- if (WARN_ON(offset + sizeof(u16) > eeprom_size))
- return 0;
- return le16_to_cpup((__le16 *)(eeprom + offset));
-}
-
-static u32 eeprom_indirect_address(const u8 *eeprom, size_t eeprom_size,
- u32 address)
-{
- u16 offset = 0;
-
- if ((address & INDIRECT_ADDRESS) == 0)
- return address;
-
- switch (address & INDIRECT_TYPE_MSK) {
- case INDIRECT_HOST:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_HOST);
- break;
- case INDIRECT_GENERAL:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_GENERAL);
- break;
- case INDIRECT_REGULATORY:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_REGULATORY);
- break;
- case INDIRECT_TXP_LIMIT:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_TXP_LIMIT);
- break;
- case INDIRECT_TXP_LIMIT_SIZE:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_TXP_LIMIT_SIZE);
- break;
- case INDIRECT_CALIBRATION:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_CALIBRATION);
- break;
- case INDIRECT_PROCESS_ADJST:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_PROCESS_ADJST);
- break;
- case INDIRECT_OTHERS:
- offset = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_LINK_OTHERS);
- break;
- default:
- WARN_ON(1);
- break;
- }
-
- /* translate the offset from words to byte */
- return (address & ADDRESS_MSK) + (offset << 1);
-}
-
-static const u8 *iwl_eeprom_query_addr(const u8 *eeprom, size_t eeprom_size,
- u32 offset)
-{
- u32 address = eeprom_indirect_address(eeprom, eeprom_size, offset);
-
- if (WARN_ON(address >= eeprom_size))
- return NULL;
-
- return &eeprom[address];
-}
-
-static int iwl_eeprom_read_calib(const u8 *eeprom, size_t eeprom_size,
- struct iwl_nvm_data *data)
-{
- struct iwl_eeprom_calib_hdr *hdr;
-
- hdr = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size,
- EEPROM_CALIB_ALL);
- if (!hdr)
- return -ENODATA;
- data->calib_version = hdr->version;
- data->calib_voltage = hdr->voltage;
-
- return 0;
-}
-
-/**
- * enum iwl_eeprom_channel_flags - channel flags in EEPROM
- * @EEPROM_CHANNEL_VALID: channel is usable for this SKU/geo
- * @EEPROM_CHANNEL_IBSS: usable as an IBSS channel
- * @EEPROM_CHANNEL_ACTIVE: active scanning allowed
- * @EEPROM_CHANNEL_RADAR: radar detection required
- * @EEPROM_CHANNEL_WIDE: 20 MHz channel okay (?)
- * @EEPROM_CHANNEL_DFS: dynamic freq selection candidate
- */
-enum iwl_eeprom_channel_flags {
- EEPROM_CHANNEL_VALID = BIT(0),
- EEPROM_CHANNEL_IBSS = BIT(1),
- EEPROM_CHANNEL_ACTIVE = BIT(3),
- EEPROM_CHANNEL_RADAR = BIT(4),
- EEPROM_CHANNEL_WIDE = BIT(5),
- EEPROM_CHANNEL_DFS = BIT(7),
-};
-
-/**
- * struct iwl_eeprom_channel - EEPROM channel data
- * @flags: %EEPROM_CHANNEL_* flags
- * @max_power_avg: max power (in dBm) on this channel, at most 31 dBm
- */
-struct iwl_eeprom_channel {
- u8 flags;
- s8 max_power_avg;
-} __packed;
-
-
-enum iwl_eeprom_enhanced_txpwr_flags {
- IWL_EEPROM_ENH_TXP_FL_VALID = BIT(0),
- IWL_EEPROM_ENH_TXP_FL_BAND_52G = BIT(1),
- IWL_EEPROM_ENH_TXP_FL_OFDM = BIT(2),
- IWL_EEPROM_ENH_TXP_FL_40MHZ = BIT(3),
- IWL_EEPROM_ENH_TXP_FL_HT_AP = BIT(4),
- IWL_EEPROM_ENH_TXP_FL_RES1 = BIT(5),
- IWL_EEPROM_ENH_TXP_FL_RES2 = BIT(6),
- IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE = BIT(7),
-};
-
-/**
- * struct iwl_eeprom_enhanced_txpwr - enhanced regulatory TX power limits
- * @flags: entry flags
- * @channel: channel number
- * @chain_a_max: chain a max power in 1/2 dBm
- * @chain_b_max: chain b max power in 1/2 dBm
- * @chain_c_max: chain c max power in 1/2 dBm
- * @delta_20_in_40: 20-in-40 deltas (hi/lo)
- * @mimo2_max: mimo2 max power in 1/2 dBm
- * @mimo3_max: mimo3 max power in 1/2 dBm
- *
- * This structure presents the enhanced regulatory tx power limit layout
- * in an EEPROM image.
- */
-struct iwl_eeprom_enhanced_txpwr {
- u8 flags;
- u8 channel;
- s8 chain_a_max;
- s8 chain_b_max;
- s8 chain_c_max;
- u8 delta_20_in_40;
- s8 mimo2_max;
- s8 mimo3_max;
-} __packed;
-
-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) */
-
- /* Take the highest tx power from any valid chains */
- if (data->valid_tx_ant & ANT_A && txp->chain_a_max > result)
- result = txp->chain_a_max;
-
- if (data->valid_tx_ant & ANT_B && txp->chain_b_max > result)
- result = txp->chain_b_max;
-
- if (data->valid_tx_ant & ANT_C && txp->chain_c_max > result)
- result = txp->chain_c_max;
-
- if ((data->valid_tx_ant == ANT_AB ||
- data->valid_tx_ant == ANT_BC ||
- data->valid_tx_ant == ANT_AC) && txp->mimo2_max > result)
- result = txp->mimo2_max;
-
- if (data->valid_tx_ant == ANT_ABC && txp->mimo3_max > result)
- result = txp->mimo3_max;
-
- return result;
-}
-
-#define EEPROM_TXP_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT)
-#define EEPROM_TXP_ENTRY_LEN sizeof(struct iwl_eeprom_enhanced_txpwr)
-#define EEPROM_TXP_SZ_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT_SIZE)
-
-#define TXP_CHECK_AND_PRINT(x) \
- ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) ? # x " " : "")
-
-static void
-iwl_eeprom_enh_txp_read_element(struct iwl_nvm_data *data,
- struct iwl_eeprom_enhanced_txpwr *txp,
- int n_channels, s8 max_txpower_avg)
-{
- int ch_idx;
- enum nl80211_band band;
-
- band = txp->flags & IWL_EEPROM_ENH_TXP_FL_BAND_52G ?
- NL80211_BAND_5GHZ : NL80211_BAND_2GHZ;
-
- for (ch_idx = 0; ch_idx < n_channels; ch_idx++) {
- struct ieee80211_channel *chan = &data->channels[ch_idx];
-
- /* update matching channel or from common data only */
- if (txp->channel != 0 && chan->hw_value != txp->channel)
- continue;
-
- /* update matching band only */
- if (band != chan->band)
- continue;
-
- if (chan->max_power < max_txpower_avg &&
- !(txp->flags & IWL_EEPROM_ENH_TXP_FL_40MHZ))
- chan->max_power = max_txpower_avg;
- }
-}
-
-static void iwl_eeprom_enhanced_txpower(struct device *dev,
- struct iwl_nvm_data *data,
- const u8 *eeprom, size_t eeprom_size,
- int n_channels)
-{
- struct iwl_eeprom_enhanced_txpwr *txp_array, *txp;
- int idx, entries;
- __le16 *txp_len;
- s8 max_txp_avg_halfdbm;
-
- BUILD_BUG_ON(sizeof(struct iwl_eeprom_enhanced_txpwr) != 8);
-
- /* the length is in 16-bit words, but we want entries */
- txp_len = (__le16 *)iwl_eeprom_query_addr(eeprom, eeprom_size,
- EEPROM_TXP_SZ_OFFS);
- entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN;
-
- txp_array = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size,
- EEPROM_TXP_OFFS);
-
- for (idx = 0; idx < entries; idx++) {
- txp = &txp_array[idx];
- /* skip invalid entries */
- if (!(txp->flags & IWL_EEPROM_ENH_TXP_FL_VALID))
- continue;
-
- IWL_DEBUG_EEPROM(dev, "%s %d:\t %s%s%s%s%s%s%s%s (0x%02x)\n",
- (txp->channel && (txp->flags &
- IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE)) ?
- "Common " : (txp->channel) ?
- "Channel" : "Common",
- (txp->channel),
- TXP_CHECK_AND_PRINT(VALID),
- TXP_CHECK_AND_PRINT(BAND_52G),
- TXP_CHECK_AND_PRINT(OFDM),
- TXP_CHECK_AND_PRINT(40MHZ),
- TXP_CHECK_AND_PRINT(HT_AP),
- TXP_CHECK_AND_PRINT(RES1),
- TXP_CHECK_AND_PRINT(RES2),
- TXP_CHECK_AND_PRINT(COMMON_TYPE),
- txp->flags);
- IWL_DEBUG_EEPROM(dev,
- "\t\t chain_A: %d chain_B: %d chain_C: %d\n",
- txp->chain_a_max, txp->chain_b_max,
- txp->chain_c_max);
- IWL_DEBUG_EEPROM(dev,
- "\t\t MIMO2: %d MIMO3: %d High 20_on_40: 0x%02x Low 20_on_40: 0x%02x\n",
- txp->mimo2_max, txp->mimo3_max,
- ((txp->delta_20_in_40 & 0xf0) >> 4),
- (txp->delta_20_in_40 & 0x0f));
-
- max_txp_avg_halfdbm = iwl_get_max_txpwr_half_dbm(data, txp);
-
- iwl_eeprom_enh_txp_read_element(data, txp, n_channels,
- DIV_ROUND_UP(max_txp_avg_halfdbm, 2));
-
- if (max_txp_avg_halfdbm > data->max_tx_pwr_half_dbm)
- data->max_tx_pwr_half_dbm = max_txp_avg_halfdbm;
- }
-}
-
-static void iwl_init_band_reference(const struct iwl_cfg *cfg,
- const u8 *eeprom, size_t eeprom_size,
- int eeprom_band, int *eeprom_ch_count,
- const struct iwl_eeprom_channel **ch_info,
- const u8 **eeprom_ch_array)
-{
- u32 offset = cfg->eeprom_params->regulatory_bands[eeprom_band - 1];
-
- offset |= INDIRECT_ADDRESS | INDIRECT_REGULATORY;
-
- *ch_info = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size, offset);
-
- switch (eeprom_band) {
- case 1: /* 2.4GHz band */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1);
- *eeprom_ch_array = iwl_eeprom_band_1;
- break;
- case 2: /* 4.9GHz band */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2);
- *eeprom_ch_array = iwl_eeprom_band_2;
- break;
- case 3: /* 5.2GHz band */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3);
- *eeprom_ch_array = iwl_eeprom_band_3;
- break;
- case 4: /* 5.5GHz band */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4);
- *eeprom_ch_array = iwl_eeprom_band_4;
- break;
- case 5: /* 5.7GHz band */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5);
- *eeprom_ch_array = iwl_eeprom_band_5;
- break;
- case 6: /* 2.4GHz ht40 channels */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_6);
- *eeprom_ch_array = iwl_eeprom_band_6;
- break;
- case 7: /* 5 GHz ht40 channels */
- *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_7);
- *eeprom_ch_array = iwl_eeprom_band_7;
- break;
- default:
- *eeprom_ch_count = 0;
- *eeprom_ch_array = NULL;
- WARN_ON(1);
- }
-}
-
-#define CHECK_AND_PRINT(x) \
- ((eeprom_ch->flags & EEPROM_CHANNEL_##x) ? # x " " : "")
-
-static void iwl_mod_ht40_chan_info(struct device *dev,
- struct iwl_nvm_data *data, int n_channels,
- enum nl80211_band band, u16 channel,
- const struct iwl_eeprom_channel *eeprom_ch,
- u8 clear_ht40_extension_channel)
-{
- struct ieee80211_channel *chan = NULL;
- int i;
-
- for (i = 0; i < n_channels; i++) {
- if (data->channels[i].band != band)
- continue;
- if (data->channels[i].hw_value != channel)
- continue;
- chan = &data->channels[i];
- break;
- }
-
- if (!chan)
- return;
-
- IWL_DEBUG_EEPROM(dev,
- "HT40 Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
- channel,
- band == NL80211_BAND_5GHZ ? "5.2" : "2.4",
- CHECK_AND_PRINT(IBSS),
- CHECK_AND_PRINT(ACTIVE),
- CHECK_AND_PRINT(RADAR),
- CHECK_AND_PRINT(WIDE),
- CHECK_AND_PRINT(DFS),
- eeprom_ch->flags,
- eeprom_ch->max_power_avg,
- ((eeprom_ch->flags & EEPROM_CHANNEL_IBSS) &&
- !(eeprom_ch->flags & EEPROM_CHANNEL_RADAR)) ? ""
- : "not ");
-
- if (eeprom_ch->flags & EEPROM_CHANNEL_VALID)
- chan->flags &= ~clear_ht40_extension_channel;
-}
-
-#define CHECK_AND_PRINT_I(x) \
- ((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_nvm_data *data,
- const u8 *eeprom, size_t eeprom_size)
-{
- int band, ch_idx;
- const struct iwl_eeprom_channel *eeprom_ch_info;
- const u8 *eeprom_ch_array;
- int eeprom_ch_count;
- int n_channels = 0;
-
- /*
- * Loop through the 5 EEPROM bands and add them to the parse list
- */
- for (band = 1; band <= 5; band++) {
- struct ieee80211_channel *channel;
-
- iwl_init_band_reference(cfg, eeprom, eeprom_size, band,
- &eeprom_ch_count, &eeprom_ch_info,
- &eeprom_ch_array);
-
- /* Loop through each band adding each of the channels */
- for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) {
- const struct iwl_eeprom_channel *eeprom_ch;
-
- eeprom_ch = &eeprom_ch_info[ch_idx];
-
- if (!(eeprom_ch->flags & EEPROM_CHANNEL_VALID)) {
- IWL_DEBUG_EEPROM(dev,
- "Ch. %d Flags %x [%sGHz] - No traffic\n",
- eeprom_ch_array[ch_idx],
- eeprom_ch_info[ch_idx].flags,
- (band != 1) ? "5.2" : "2.4");
- continue;
- }
-
- channel = &data->channels[n_channels];
- n_channels++;
-
- channel->hw_value = eeprom_ch_array[ch_idx];
- channel->band = (band == 1) ? NL80211_BAND_2GHZ
- : NL80211_BAND_5GHZ;
- channel->center_freq =
- ieee80211_channel_to_frequency(
- channel->hw_value, channel->band);
-
- /* set no-HT40, will enable as appropriate later */
- channel->flags = IEEE80211_CHAN_NO_HT40;
-
- if (!(eeprom_ch->flags & EEPROM_CHANNEL_IBSS))
- channel->flags |= IEEE80211_CHAN_NO_IR;
-
- if (!(eeprom_ch->flags & EEPROM_CHANNEL_ACTIVE))
- channel->flags |= IEEE80211_CHAN_NO_IR;
-
- if (eeprom_ch->flags & EEPROM_CHANNEL_RADAR)
- channel->flags |= IEEE80211_CHAN_RADAR;
-
- /* Initialize regulatory-based run-time data */
- channel->max_power =
- eeprom_ch_info[ch_idx].max_power_avg;
- IWL_DEBUG_EEPROM(dev,
- "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
- channel->hw_value,
- (band != 1) ? "5.2" : "2.4",
- CHECK_AND_PRINT_I(VALID),
- CHECK_AND_PRINT_I(IBSS),
- CHECK_AND_PRINT_I(ACTIVE),
- CHECK_AND_PRINT_I(RADAR),
- CHECK_AND_PRINT_I(WIDE),
- CHECK_AND_PRINT_I(DFS),
- eeprom_ch_info[ch_idx].flags,
- eeprom_ch_info[ch_idx].max_power_avg,
- ((eeprom_ch_info[ch_idx].flags &
- EEPROM_CHANNEL_IBSS) &&
- !(eeprom_ch_info[ch_idx].flags &
- EEPROM_CHANNEL_RADAR))
- ? "" : "not ");
- }
- }
-
- if (cfg->eeprom_params->enhanced_txpower) {
- /*
- * for newer device (6000 series and up)
- * EEPROM contain enhanced tx power information
- * driver need to process addition information
- * to determine the max channel tx power limits
- */
- iwl_eeprom_enhanced_txpower(dev, data, eeprom, eeprom_size,
- n_channels);
- } else {
- /* All others use data from channel map */
- int i;
-
- data->max_tx_pwr_half_dbm = -128;
-
- for (i = 0; i < n_channels; i++)
- data->max_tx_pwr_half_dbm =
- max_t(s8, data->max_tx_pwr_half_dbm,
- data->channels[i].max_power * 2);
- }
-
- /* Check if we do have HT40 channels */
- if (cfg->eeprom_params->regulatory_bands[5] ==
- EEPROM_REGULATORY_BAND_NO_HT40 &&
- cfg->eeprom_params->regulatory_bands[6] ==
- EEPROM_REGULATORY_BAND_NO_HT40)
- return n_channels;
-
- /* Two additional EEPROM bands for 2.4 and 5 GHz HT40 channels */
- for (band = 6; band <= 7; band++) {
- enum nl80211_band ieeeband;
-
- iwl_init_band_reference(cfg, eeprom, eeprom_size, band,
- &eeprom_ch_count, &eeprom_ch_info,
- &eeprom_ch_array);
-
- /* EEPROM band 6 is 2.4, band 7 is 5 GHz */
- ieeeband = (band == 6) ? NL80211_BAND_2GHZ
- : NL80211_BAND_5GHZ;
-
- /* Loop through each band adding each of the channels */
- for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) {
- /* Set up driver's info for lower half */
- iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband,
- eeprom_ch_array[ch_idx],
- &eeprom_ch_info[ch_idx],
- IEEE80211_CHAN_NO_HT40PLUS);
-
- /* Set up driver's info for upper half */
- iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband,
- eeprom_ch_array[ch_idx] + 4,
- &eeprom_ch_info[ch_idx],
- IEEE80211_CHAN_NO_HT40MINUS);
- }
- }
-
- return n_channels;
-}
-#endif
-
-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;
-}
-
-#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);
- }
-}
-
-#if IS_ENABLED(CONFIG_IWLDVM)
-static void iwl_init_sbands(struct iwl_trans *trans, const struct iwl_cfg *cfg,
- struct iwl_nvm_data *data,
- const u8 *eeprom, size_t eeprom_size)
-{
- struct device *dev = trans->dev;
- int n_channels = iwl_init_channel_map(dev, cfg, data,
- eeprom, eeprom_size);
- int n_used = 0;
- struct ieee80211_supported_band *sband;
-
- sband = &data->bands[NL80211_BAND_2GHZ];
- sband->band = NL80211_BAND_2GHZ;
- sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
- sband->n_bitrates = N_RATES_24;
- n_used += iwl_init_sband_channels(data, sband, n_channels,
- NL80211_BAND_2GHZ);
- iwl_init_ht_hw_capab(trans, data, &sband->ht_cap, NL80211_BAND_2GHZ,
- data->valid_tx_ant, data->valid_rx_ant);
-
- sband = &data->bands[NL80211_BAND_5GHZ];
- sband->band = NL80211_BAND_5GHZ;
- sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
- sband->n_bitrates = N_RATES_52;
- n_used += iwl_init_sband_channels(data, sband, n_channels,
- NL80211_BAND_5GHZ);
- iwl_init_ht_hw_capab(trans, data, &sband->ht_cap, NL80211_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",
- n_used, n_channels);
-}
-
-/* EEPROM data functions */
-
-struct iwl_nvm_data *
-iwl_parse_eeprom_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
- const u8 *eeprom, size_t eeprom_size)
-{
- struct iwl_nvm_data *data;
- struct device *dev = trans->dev;
- const void *tmp;
- u16 radio_cfg, sku;
-
- if (WARN_ON(!cfg || !cfg->eeprom_params))
- return NULL;
-
- data = kzalloc(struct_size(data, channels, IWL_NUM_CHANNELS),
- GFP_KERNEL);
- if (!data)
- return NULL;
-
- /* get MAC address(es) */
- tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_MAC_ADDRESS);
- if (!tmp)
- goto err_free;
- memcpy(data->hw_addr, tmp, ETH_ALEN);
- data->n_hw_addrs = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_NUM_MAC_ADDRESS);
-
- if (iwl_eeprom_read_calib(eeprom, eeprom_size, data))
- goto err_free;
-
- tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_XTAL);
- if (!tmp)
- goto err_free;
- memcpy(data->xtal_calib, tmp, sizeof(data->xtal_calib));
-
- tmp = iwl_eeprom_query_addr(eeprom, eeprom_size,
- EEPROM_RAW_TEMPERATURE);
- if (!tmp)
- goto err_free;
- data->raw_temperature = *(__le16 *)tmp;
-
- tmp = iwl_eeprom_query_addr(eeprom, eeprom_size,
- EEPROM_KELVIN_TEMPERATURE);
- if (!tmp)
- goto err_free;
- data->kelvin_temperature = *(__le16 *)tmp;
- data->kelvin_voltage = *((__le16 *)tmp + 1);
-
- radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_RADIO_CONFIG);
- 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_cap_11n_enable = false;
-
- data->nvm_version = iwl_eeprom_query16(eeprom, eeprom_size,
- EEPROM_VERSION);
-
- /* check overrides (some devices have wrong EEPROM) */
- if (cfg->valid_tx_ant)
- data->valid_tx_ant = cfg->valid_tx_ant;
- if (cfg->valid_rx_ant)
- data->valid_rx_ant = cfg->valid_rx_ant;
-
- if (!data->valid_tx_ant || !data->valid_rx_ant) {
- IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n",
- data->valid_tx_ant, data->valid_rx_ant);
- goto err_free;
- }
-
- iwl_init_sbands(trans, cfg, data, eeprom, eeprom_size);
-
- return data;
- err_free:
- kfree(data);
- return NULL;
-}
-IWL_EXPORT_SYMBOL(iwl_parse_eeprom_data);
-#endif
@@ -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"
/**
new file mode 100644
@@ -0,0 +1,118 @@
+// 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);
similarity index 73%
rename from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
rename to 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);
@@ -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"
@@ -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"
@@ -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"
@@ -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"
@@ -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"