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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/net/wireless/iwlwifi/iwl-5000.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c420
1 files changed, 420 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
new file mode 100644
index 00000000..de0920c7
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -0,0 +1,420 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 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
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include <asm/unaligned.h>
+#include <linux/stringify.h>
+
+#include "iwl-eeprom.h"
+#include "iwl-dev.h"
+#include "iwl-core.h"
+#include "iwl-io.h"
+#include "iwl-agn.h"
+#include "iwl-agn-hw.h"
+#include "iwl-trans.h"
+#include "iwl-shared.h"
+#include "iwl-cfg.h"
+#include "iwl-prph.h"
+
+/* Highest firmware API version supported */
+#define IWL5000_UCODE_API_MAX 5
+#define IWL5150_UCODE_API_MAX 2
+
+/* Oldest version we won't warn about */
+#define IWL5000_UCODE_API_OK 5
+#define IWL5150_UCODE_API_OK 2
+
+/* Lowest firmware API version supported */
+#define IWL5000_UCODE_API_MIN 1
+#define IWL5150_UCODE_API_MIN 1
+
+#define IWL5000_FW_PRE "iwlwifi-5000-"
+#define IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE __stringify(api) ".ucode"
+
+#define IWL5150_FW_PRE "iwlwifi-5150-"
+#define IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE __stringify(api) ".ucode"
+
+/* NIC configuration for 5000 series */
+static void iwl5000_nic_config(struct iwl_priv *priv)
+{
+ iwl_rf_config(priv);
+
+ /* W/A : NIC is stuck in a reset state after Early PCIe power off
+ * (PCIe power is lost before PERST# is asserted),
+ * causing ME FW to lose ownership and not being able to obtain it back.
+ */
+ iwl_set_bits_mask_prph(trans(priv), APMG_PS_CTRL_REG,
+ APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
+ ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
+}
+
+static const struct iwl_sensitivity_ranges iwl5000_sensitivity = {
+ .min_nrg_cck = 100,
+ .auto_corr_min_ofdm = 90,
+ .auto_corr_min_ofdm_mrc = 170,
+ .auto_corr_min_ofdm_x1 = 105,
+ .auto_corr_min_ofdm_mrc_x1 = 220,
+
+ .auto_corr_max_ofdm = 120,
+ .auto_corr_max_ofdm_mrc = 210,
+ .auto_corr_max_ofdm_x1 = 120,
+ .auto_corr_max_ofdm_mrc_x1 = 240,
+
+ .auto_corr_min_cck = 125,
+ .auto_corr_max_cck = 200,
+ .auto_corr_min_cck_mrc = 200,
+ .auto_corr_max_cck_mrc = 400,
+ .nrg_th_cck = 100,
+ .nrg_th_ofdm = 100,
+
+ .barker_corr_th_min = 190,
+ .barker_corr_th_min_mrc = 390,
+ .nrg_th_cca = 62,
+};
+
+static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
+ .min_nrg_cck = 95,
+ .auto_corr_min_ofdm = 90,
+ .auto_corr_min_ofdm_mrc = 170,
+ .auto_corr_min_ofdm_x1 = 105,
+ .auto_corr_min_ofdm_mrc_x1 = 220,
+
+ .auto_corr_max_ofdm = 120,
+ .auto_corr_max_ofdm_mrc = 210,
+ /* max = min for performance bug in 5150 DSP */
+ .auto_corr_max_ofdm_x1 = 105,
+ .auto_corr_max_ofdm_mrc_x1 = 220,
+
+ .auto_corr_min_cck = 125,
+ .auto_corr_max_cck = 200,
+ .auto_corr_min_cck_mrc = 170,
+ .auto_corr_max_cck_mrc = 400,
+ .nrg_th_cck = 95,
+ .nrg_th_ofdm = 95,
+
+ .barker_corr_th_min = 190,
+ .barker_corr_th_min_mrc = 390,
+ .nrg_th_cca = 62,
+};
+
+#define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF (-5)
+
+static s32 iwl_temp_calib_to_offset(struct iwl_shared *shrd)
+{
+ u16 temperature, voltage;
+ __le16 *temp_calib = (__le16 *)iwl_eeprom_query_addr(shrd,
+ EEPROM_KELVIN_TEMPERATURE);
+
+ temperature = le16_to_cpu(temp_calib[0]);
+ voltage = le16_to_cpu(temp_calib[1]);
+
+ /* offset = temp - volt / coeff */
+ return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF);
+}
+
+static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
+{
+ const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
+ s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
+ iwl_temp_calib_to_offset(priv->shrd);
+
+ hw_params(priv).ct_kill_threshold = threshold * volt2temp_coef;
+}
+
+static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
+{
+ /* want Celsius */
+ hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
+}
+
+static void iwl5000_hw_set_hw_params(struct iwl_priv *priv)
+{
+ hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
+ BIT(IEEE80211_BAND_5GHZ);
+
+ hw_params(priv).tx_chains_num =
+ num_of_ant(hw_params(priv).valid_tx_ant);
+ hw_params(priv).rx_chains_num =
+ num_of_ant(hw_params(priv).valid_rx_ant);
+
+ iwl5000_set_ct_threshold(priv);
+
+ /* Set initial sensitivity parameters */
+ hw_params(priv).sens = &iwl5000_sensitivity;
+}
+
+static void iwl5150_hw_set_hw_params(struct iwl_priv *priv)
+{
+ hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
+ BIT(IEEE80211_BAND_5GHZ);
+
+ hw_params(priv).tx_chains_num =
+ num_of_ant(hw_params(priv).valid_tx_ant);
+ hw_params(priv).rx_chains_num =
+ num_of_ant(hw_params(priv).valid_rx_ant);
+
+ iwl5150_set_ct_threshold(priv);
+
+ /* Set initial sensitivity parameters */
+ hw_params(priv).sens = &iwl5150_sensitivity;
+}
+
+static void iwl5150_temperature(struct iwl_priv *priv)
+{
+ u32 vt = 0;
+ s32 offset = iwl_temp_calib_to_offset(priv->shrd);
+
+ vt = le32_to_cpu(priv->statistics.common.temperature);
+ vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
+ /* now vt hold the temperature in Kelvin */
+ priv->temperature = KELVIN_TO_CELSIUS(vt);
+ iwl_tt_handler(priv);
+}
+
+static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
+ struct ieee80211_channel_switch *ch_switch)
+{
+ /*
+ * MULTI-FIXME
+ * See iwlagn_mac_channel_switch.
+ */
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+ struct iwl5000_channel_switch_cmd cmd;
+ const struct iwl_channel_info *ch_info;
+ u32 switch_time_in_usec, ucode_switch_time;
+ u16 ch;
+ u32 tsf_low;
+ u8 switch_count;
+ u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
+ struct ieee80211_vif *vif = ctx->vif;
+ struct iwl_host_cmd hcmd = {
+ .id = REPLY_CHANNEL_SWITCH,
+ .len = { sizeof(cmd), },
+ .flags = CMD_SYNC,
+ .data = { &cmd, },
+ };
+
+ cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+ ch = ch_switch->channel->hw_value;
+ IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+ ctx->active.channel, ch);
+ cmd.channel = cpu_to_le16(ch);
+ cmd.rxon_flags = ctx->staging.flags;
+ cmd.rxon_filter_flags = ctx->staging.filter_flags;
+ switch_count = ch_switch->count;
+ tsf_low = ch_switch->timestamp & 0x0ffffffff;
+ /*
+ * calculate the ucode channel switch time
+ * adding TSF as one of the factor for when to switch
+ */
+ if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
+ if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
+ beacon_interval)) {
+ switch_count -= (priv->ucode_beacon_time -
+ tsf_low) / beacon_interval;
+ } else
+ switch_count = 0;
+ }
+ if (switch_count <= 1)
+ cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+ else {
+ switch_time_in_usec =
+ vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
+ ucode_switch_time = iwl_usecs_to_beacons(priv,
+ switch_time_in_usec,
+ beacon_interval);
+ cmd.switch_time = iwl_add_beacon_time(priv,
+ priv->ucode_beacon_time,
+ ucode_switch_time,
+ beacon_interval);
+ }
+ IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+ cmd.switch_time);
+ ch_info = iwl_get_channel_info(priv, priv->band, ch);
+ if (ch_info)
+ cmd.expect_beacon = is_channel_radar(ch_info);
+ else {
+ IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+ ctx->active.channel, ch);
+ return -EFAULT;
+ }
+
+ return iwl_dvm_send_cmd(priv, &hcmd);
+}
+
+static struct iwl_lib_ops iwl5000_lib = {
+ .set_hw_params = iwl5000_hw_set_hw_params,
+ .set_channel_switch = iwl5000_hw_channel_switch,
+ .nic_config = iwl5000_nic_config,
+ .eeprom_ops = {
+ .regulatory_bands = {
+ EEPROM_REG_BAND_1_CHANNELS,
+ EEPROM_REG_BAND_2_CHANNELS,
+ EEPROM_REG_BAND_3_CHANNELS,
+ EEPROM_REG_BAND_4_CHANNELS,
+ EEPROM_REG_BAND_5_CHANNELS,
+ EEPROM_REG_BAND_24_HT40_CHANNELS,
+ EEPROM_REG_BAND_52_HT40_CHANNELS
+ },
+ },
+ .temperature = iwlagn_temperature,
+};
+
+static struct iwl_lib_ops iwl5150_lib = {
+ .set_hw_params = iwl5150_hw_set_hw_params,
+ .set_channel_switch = iwl5000_hw_channel_switch,
+ .nic_config = iwl5000_nic_config,
+ .eeprom_ops = {
+ .regulatory_bands = {
+ EEPROM_REG_BAND_1_CHANNELS,
+ EEPROM_REG_BAND_2_CHANNELS,
+ EEPROM_REG_BAND_3_CHANNELS,
+ EEPROM_REG_BAND_4_CHANNELS,
+ EEPROM_REG_BAND_5_CHANNELS,
+ EEPROM_REG_BAND_24_HT40_CHANNELS,
+ EEPROM_REG_BAND_52_HT40_CHANNELS
+ },
+ },
+ .temperature = iwl5150_temperature,
+};
+
+static const struct iwl_base_params iwl5000_base_params = {
+ .eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
+ .num_of_queues = IWLAGN_NUM_QUEUES,
+ .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+ .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+ .led_compensation = 51,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+ .chain_noise_scale = 1000,
+ .wd_timeout = IWL_LONG_WD_TIMEOUT,
+ .max_event_log_size = 512,
+ .no_idle_support = true,
+ .wd_disable = true,
+};
+
+static const struct iwl_ht_params iwl5000_ht_params = {
+ .ht_greenfield_support = true,
+};
+
+#define IWL_DEVICE_5000 \
+ .fw_name_pre = IWL5000_FW_PRE, \
+ .ucode_api_max = IWL5000_UCODE_API_MAX, \
+ .ucode_api_ok = IWL5000_UCODE_API_OK, \
+ .ucode_api_min = IWL5000_UCODE_API_MIN, \
+ .max_inst_size = IWLAGN_RTC_INST_SIZE, \
+ .max_data_size = IWLAGN_RTC_DATA_SIZE, \
+ .eeprom_ver = EEPROM_5000_EEPROM_VERSION, \
+ .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \
+ .lib = &iwl5000_lib, \
+ .base_params = &iwl5000_base_params, \
+ .led_mode = IWL_LED_BLINK
+
+const struct iwl_cfg iwl5300_agn_cfg = {
+ .name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
+ IWL_DEVICE_5000,
+ /* at least EEPROM 0x11A has wrong info */
+ .valid_tx_ant = ANT_ABC, /* .cfg overwrite */
+ .valid_rx_ant = ANT_ABC, /* .cfg overwrite */
+ .ht_params = &iwl5000_ht_params,
+};
+
+const struct iwl_cfg iwl5100_bgn_cfg = {
+ .name = "Intel(R) WiFi Link 5100 BGN",
+ IWL_DEVICE_5000,
+ .valid_tx_ant = ANT_B, /* .cfg overwrite */
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */
+ .ht_params = &iwl5000_ht_params,
+};
+
+const struct iwl_cfg iwl5100_abg_cfg = {
+ .name = "Intel(R) WiFi Link 5100 ABG",
+ IWL_DEVICE_5000,
+ .valid_tx_ant = ANT_B, /* .cfg overwrite */
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */
+};
+
+const struct iwl_cfg iwl5100_agn_cfg = {
+ .name = "Intel(R) WiFi Link 5100 AGN",
+ IWL_DEVICE_5000,
+ .valid_tx_ant = ANT_B, /* .cfg overwrite */
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */
+ .ht_params = &iwl5000_ht_params,
+};
+
+const struct iwl_cfg iwl5350_agn_cfg = {
+ .name = "Intel(R) WiMAX/WiFi Link 5350 AGN",
+ .fw_name_pre = IWL5000_FW_PRE,
+ .ucode_api_max = IWL5000_UCODE_API_MAX,
+ .ucode_api_ok = IWL5000_UCODE_API_OK,
+ .ucode_api_min = IWL5000_UCODE_API_MIN,
+ .max_inst_size = IWLAGN_RTC_INST_SIZE,
+ .max_data_size = IWLAGN_RTC_DATA_SIZE,
+ .eeprom_ver = EEPROM_5050_EEPROM_VERSION,
+ .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
+ .lib = &iwl5000_lib,
+ .base_params = &iwl5000_base_params,
+ .ht_params = &iwl5000_ht_params,
+ .led_mode = IWL_LED_BLINK,
+ .internal_wimax_coex = true,
+};
+
+#define IWL_DEVICE_5150 \
+ .fw_name_pre = IWL5150_FW_PRE, \
+ .ucode_api_max = IWL5150_UCODE_API_MAX, \
+ .ucode_api_ok = IWL5150_UCODE_API_OK, \
+ .ucode_api_min = IWL5150_UCODE_API_MIN, \
+ .max_inst_size = IWLAGN_RTC_INST_SIZE, \
+ .max_data_size = IWLAGN_RTC_DATA_SIZE, \
+ .eeprom_ver = EEPROM_5050_EEPROM_VERSION, \
+ .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \
+ .lib = &iwl5150_lib, \
+ .base_params = &iwl5000_base_params, \
+ .no_xtal_calib = true, \
+ .led_mode = IWL_LED_BLINK, \
+ .internal_wimax_coex = true
+
+const struct iwl_cfg iwl5150_agn_cfg = {
+ .name = "Intel(R) WiMAX/WiFi Link 5150 AGN",
+ IWL_DEVICE_5150,
+ .ht_params = &iwl5000_ht_params,
+
+};
+
+const struct iwl_cfg iwl5150_abg_cfg = {
+ .name = "Intel(R) WiMAX/WiFi Link 5150 ABG",
+ IWL_DEVICE_5150,
+};
+
+MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_OK));
+MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_OK));