#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/version.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
static int iwl4965_send_tx_power(struct iwl_priv *priv);
static int iwl4965_hw_get_temperature(const struct iwl_priv *priv);
+/* Change firmware file name, using "-" and incrementing number,
+ * *only* when uCode interface or architecture changes so that it
+ * is not compatible with earlier drivers.
+ * This number will also appear in << 8 position of 1st dword of uCode file */
+#define IWL4965_UCODE_API "-2"
+
+
/* module parameters */
static struct iwl_mod_params iwl4965_mod_params = {
.num_of_queues = IWL49_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
.enable_qos = 1,
.amsdu_size_8K = 1,
.restart_fw = 1,
return -EINVAL;
}
-int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
-{
- int ret;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
- ret = iwl_grab_nic_access(priv);
- if (ret) {
- spin_unlock_irqrestore(&priv->lock, flags);
- return ret;
- }
-
- if (src == IWL_PWR_SRC_VAUX) {
- u32 val;
- ret = pci_read_config_dword(priv->pci_dev, PCI_POWER_SOURCE,
- &val);
-
- if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT) {
- iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
- APMG_PS_CTRL_VAL_PWR_SRC_VAUX,
- ~APMG_PS_CTRL_MSK_PWR_SRC);
- }
- } else {
- iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
- APMG_PS_CTRL_VAL_PWR_SRC_VMAIN,
- ~APMG_PS_CTRL_MSK_PWR_SRC);
- }
-
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- return ret;
-}
/*
* Activate/Deactivat Tx DMA/FIFO channels according tx fifos mask
iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
udelay(10);
-
- iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+ /* clear "init complete" move adapter D0A* --> D0U state */
+ iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
spin_unlock_irqrestore(&priv->lock, flags);
}
data->beacon_count = 0;
}
+static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+ __le32 *tx_flags)
+{
+ if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ *tx_flags |= TX_CMD_FLG_RTS_MSK;
+ *tx_flags &= ~TX_CMD_FLG_CTS_MSK;
+ } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ *tx_flags &= ~TX_CMD_FLG_RTS_MSK;
+ *tx_flags |= TX_CMD_FLG_CTS_MSK;
+ }
+}
+
static void iwl4965_bg_txpower_work(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work, struct iwl_priv,
return 0;
}
-/* set card power command */
-static int iwl4965_set_power(struct iwl_priv *priv,
- void *cmd)
-{
- int ret = 0;
-
- ret = iwl_send_cmd_pdu_async(priv, POWER_TABLE_CMD,
- sizeof(struct iwl4965_powertable_cmd),
- cmd, NULL);
- return ret;
-}
-
static s32 iwl4965_math_div_round(s32 num, s32 denom, s32 *res)
{
s32 sign = 1;
s = iwl4965_get_sub_band(priv, channel);
if (s >= EEPROM_TX_POWER_BANDS) {
- IWL_ERROR("Tx Power can not find channel %d ", channel);
+ IWL_ERROR("Tx Power can not find channel %d\n", channel);
return -1;
}
c, atten_value, power_index,
tx_power.s.radio_tx_gain[c],
tx_power.s.dsp_predis_atten[c]);
- }/* for each chain */
+ } /* for each chain */
tx_power_tbl->power_tbl[i].dw = cpu_to_le32(tx_power.dw);
- }/* for each rate */
+ } /* for each rate */
return 0;
}
return le32_to_cpu(s->rb_closed) & 0xFFF;
}
-unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
- struct iwl_frame *frame, u8 rate)
-{
- struct iwl4965_tx_beacon_cmd *tx_beacon_cmd;
- unsigned int frame_size;
-
- tx_beacon_cmd = &frame->u.beacon;
- memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
-
- tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
- tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
- frame_size = iwl4965_fill_beacon_frame(priv,
- tx_beacon_cmd->frame,
- iwl_bcast_addr,
- sizeof(frame->u) - sizeof(*tx_beacon_cmd));
-
- BUG_ON(frame_size > MAX_MPDU_SIZE);
- tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
-
- if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
- tx_beacon_cmd->tx.rate_n_flags =
- iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
- else
- tx_beacon_cmd->tx.rate_n_flags =
- iwl_hw_set_rate_n_flags(rate, 0);
-
- tx_beacon_cmd->tx.tx_flags = (TX_CMD_FLG_SEQ_CTL_MSK |
- TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK);
- return (sizeof(*tx_beacon_cmd) + frame_size);
-}
-
static int iwl4965_alloc_shared_mem(struct iwl_priv *priv)
{
priv->shared_virt = pci_alloc_consistent(priv->pci_dev,
return 1;
}
-static void iwl4965_temperature_calib(struct iwl_priv *priv,
- struct iwl_notif_statistics *stats)
+static void iwl4965_temperature_calib(struct iwl_priv *priv)
{
s32 temp;
- int change = ((priv->statistics.general.temperature !=
- stats->general.temperature) ||
- ((priv->statistics.flag &
- STATISTICS_REPLY_FLG_FAT_MODE_MSK) !=
- (stats->flag & STATISTICS_REPLY_FLG_FAT_MODE_MSK)));
-
- /* If the hardware hasn't reported a change in
- * temperature then don't bother computing a
- * calibrated temperature value */
- if (!change)
- return;
temp = iwl4965_hw_get_temperature(priv);
if (temp < 0)
{
int ret = 0;
- if (IWL49_FIRST_AMPDU_QUEUE > txq_id) {
- IWL_WARNING("queue number too small: %d, must be > %d\n",
- txq_id, IWL49_FIRST_AMPDU_QUEUE);
+ if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
+ (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+ IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
+ txq_id, IWL49_FIRST_AMPDU_QUEUE,
+ IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
return -EINVAL;
}
int ret;
u16 ra_tid;
- if (IWL49_FIRST_AMPDU_QUEUE > txq_id)
- IWL_WARNING("queue number too small: %d, must be > %d\n",
- txq_id, IWL49_FIRST_AMPDU_QUEUE);
+ if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
+ (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+ IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
+ txq_id, IWL49_FIRST_AMPDU_QUEUE,
+ IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
+ return -EINVAL;
+ }
ra_tid = BUILD_RAxTID(sta_id, tid);
return 0;
}
-int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
- enum ieee80211_ampdu_mlme_action action,
- const u8 *addr, u16 tid, u16 *ssn)
-{
- struct iwl_priv *priv = hw->priv;
- DECLARE_MAC_BUF(mac);
-
- IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
- print_mac(mac, addr), tid);
-
- switch (action) {
- case IEEE80211_AMPDU_RX_START:
- IWL_DEBUG_HT("start Rx\n");
- return iwl_rx_agg_start(priv, addr, tid, *ssn);
- case IEEE80211_AMPDU_RX_STOP:
- IWL_DEBUG_HT("stop Rx\n");
- return iwl_rx_agg_stop(priv, addr, tid);
- case IEEE80211_AMPDU_TX_START:
- IWL_DEBUG_HT("start Tx\n");
- return iwl_tx_agg_start(priv, addr, tid, ssn);
- case IEEE80211_AMPDU_TX_STOP:
- IWL_DEBUG_HT("stop Tx\n");
- return iwl_tx_agg_stop(priv, addr, tid);
- default:
- IWL_DEBUG_HT("unknown\n");
- return -EINVAL;
- break;
- }
- return 0;
-}
static u16 iwl4965_get_hcmd_size(u8 cmd_id, u16 len)
{
bitmap = bitmap << sh;
sh = 0;
}
- bitmap |= (1 << sh);
- IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%x\n",
- start, (u32)(bitmap & 0xFFFFFFFF));
+ bitmap |= 1ULL << sh;
+ IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%llx\n",
+ start, (unsigned long long)bitmap);
}
agg->bitmap = bitmap;
iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
- if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
- /* TODO: send BAR */
- }
+ /* check if BAR is needed */
+ if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
+ info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
if (txq->q.read_ptr != (scd_ssn & 0xff)) {
int freed, ampdu_q;
IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n");
}
+static int iwl4965_calc_rssi(struct iwl_priv *priv,
+ struct iwl_rx_phy_res *rx_resp)
+{
+ /* data from PHY/DSP regarding signal strength, etc.,
+ * contents are always there, not configurable by host. */
+ struct iwl4965_rx_non_cfg_phy *ncphy =
+ (struct iwl4965_rx_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
+ u32 agc = (le16_to_cpu(ncphy->agc_info) & IWL49_AGC_DB_MASK)
+ >> IWL49_AGC_DB_POS;
+
+ u32 valid_antennae =
+ (le16_to_cpu(rx_resp->phy_flags) & IWL49_RX_PHY_FLAGS_ANTENNAE_MASK)
+ >> IWL49_RX_PHY_FLAGS_ANTENNAE_OFFSET;
+ u8 max_rssi = 0;
+ u32 i;
+
+ /* Find max rssi among 3 possible receivers.
+ * These values are measured by the digital signal processor (DSP).
+ * They should stay fairly constant even as the signal strength varies,
+ * if the radio's automatic gain control (AGC) is working right.
+ * AGC value (see below) will provide the "interesting" info. */
+ for (i = 0; i < 3; i++)
+ if (valid_antennae & (1 << i))
+ max_rssi = max(ncphy->rssi_info[i << 1], max_rssi);
+
+ IWL_DEBUG_STATS("Rssi In A %d B %d C %d Max %d AGC dB %d\n",
+ ncphy->rssi_info[0], ncphy->rssi_info[2], ncphy->rssi_info[4],
+ max_rssi, agc);
+
+ /* dBm = max_rssi dB - agc dB - constant.
+ * Higher AGC (higher radio gain) means lower signal. */
+ return max_rssi - agc - IWL_RSSI_OFFSET;
+}
+
/* Set up 4965-specific Rx frame reply handlers */
static void iwl4965_rx_handler_setup(struct iwl_priv *priv)
.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
.chain_noise_reset = iwl4965_chain_noise_reset,
.gain_computation = iwl4965_gain_computation,
+ .rts_tx_cmd_flag = iwl4965_rts_tx_cmd_flag,
+ .calc_rssi = iwl4965_calc_rssi,
};
static struct iwl_lib_ops iwl4965_lib = {
.check_version = iwl4965_eeprom_check_version,
.query_addr = iwlcore_eeprom_query_addr,
},
- .set_power = iwl4965_set_power,
.send_tx_power = iwl4965_send_tx_power,
.update_chain_flags = iwl4965_update_chain_flags,
.temperature = iwl4965_temperature_calib,
.mod_params = &iwl4965_mod_params,
};
+/* Module firmware */
+MODULE_FIRMWARE("iwlwifi-4965" IWL4965_UCODE_API ".ucode");
+
module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444);
MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
module_param_named(disable, iwl4965_mod_params.disable, int, 0444);
MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])");
module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, 0444);
-MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])\n");
+MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
module_param_named(debug, iwl4965_mod_params.debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
module_param_named(
module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, 0444);
MODULE_PARM_DESC(queues_num, "number of hw queues.");
-
/* QoS */
module_param_named(qos_enable, iwl4965_mod_params.enable_qos, int, 0444);
MODULE_PARM_DESC(qos_enable, "enable all QoS functionality");
+/* 11n */
+module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, 0444);
+MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444);
MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
+
module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444);
MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff