linux_dsm_epyc7002/drivers/net/wireless/iwlwifi/iwl-2000.c
Don Fry 16b80b714f iwlagn: semaphore and calib cleanup
All agn devices use the same eeprom semaphore and calib version routines.
Delete the indirection and move the semaphore routines to where they are
used and make static.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-04-30 08:56:59 -07:00

481 lines
14 KiB
C

/******************************************************************************
*
* Copyright(c) 2008 - 2011 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/pci.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/wireless.h>
#include <net/mac80211.h>
#include <linux/etherdevice.h>
#include <asm/unaligned.h>
#include "iwl-eeprom.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-sta.h"
#include "iwl-agn.h"
#include "iwl-helpers.h"
#include "iwl-agn-hw.h"
#include "iwl-6000-hw.h"
#include "iwl-agn-debugfs.h"
/* Highest firmware API version supported */
#define IWL2030_UCODE_API_MAX 5
#define IWL2000_UCODE_API_MAX 5
#define IWL105_UCODE_API_MAX 5
/* Lowest firmware API version supported */
#define IWL2030_UCODE_API_MIN 5
#define IWL2000_UCODE_API_MIN 5
#define IWL105_UCODE_API_MIN 5
#define IWL2030_FW_PRE "iwlwifi-2030-"
#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE #api ".ucode"
#define IWL2000_FW_PRE "iwlwifi-2000-"
#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE #api ".ucode"
#define IWL105_FW_PRE "iwlwifi-105-"
#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE #api ".ucode"
static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
{
/* want Celsius */
priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}
/* NIC configuration for 2000 series */
static void iwl2000_nic_config(struct iwl_priv *priv)
{
u16 radio_cfg;
radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
/* write radio config values to register */
if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
EEPROM_RF_CFG_DASH_MSK(radio_cfg));
/* set CSR_HW_CONFIG_REG for uCode use */
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
if (priv->cfg->iq_invert)
iwl_set_bit(priv, CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
if (priv->cfg->disable_otp_refresh)
iwl_write_prph(priv, APMG_ANALOG_SVR_REG, 0x80000010);
}
static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
.min_nrg_cck = 97,
.max_nrg_cck = 0, /* not used, set to 0 */
.auto_corr_min_ofdm = 80,
.auto_corr_min_ofdm_mrc = 128,
.auto_corr_min_ofdm_x1 = 105,
.auto_corr_min_ofdm_mrc_x1 = 192,
.auto_corr_max_ofdm = 145,
.auto_corr_max_ofdm_mrc = 232,
.auto_corr_max_ofdm_x1 = 110,
.auto_corr_max_ofdm_mrc_x1 = 232,
.auto_corr_min_cck = 125,
.auto_corr_max_cck = 175,
.auto_corr_min_cck_mrc = 160,
.auto_corr_max_cck_mrc = 310,
.nrg_th_cck = 97,
.nrg_th_ofdm = 100,
.barker_corr_th_min = 190,
.barker_corr_th_min_mrc = 390,
.nrg_th_cca = 62,
};
static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
{
if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
priv->cfg->base_params->num_of_queues =
iwlagn_mod_params.num_of_queues;
priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
priv->hw_params.scd_bc_tbls_size =
priv->cfg->base_params->num_of_queues *
sizeof(struct iwlagn_scd_bc_tbl);
priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
BIT(IEEE80211_BAND_5GHZ);
priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
if (priv->cfg->rx_with_siso_diversity)
priv->hw_params.rx_chains_num = 1;
else
priv->hw_params.rx_chains_num =
num_of_ant(priv->cfg->valid_rx_ant);
priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
iwl2000_set_ct_threshold(priv);
/* Set initial sensitivity parameters */
/* Set initial calibration set */
priv->hw_params.sens = &iwl2000_sensitivity;
priv->hw_params.calib_init_cfg =
BIT(IWL_CALIB_XTAL) |
BIT(IWL_CALIB_LO) |
BIT(IWL_CALIB_TX_IQ) |
BIT(IWL_CALIB_BASE_BAND);
if (priv->cfg->need_dc_calib)
priv->hw_params.calib_rt_cfg |= BIT(IWL_CALIB_CFG_DC_IDX);
if (priv->cfg->need_temp_offset_calib)
priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
return 0;
}
static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
struct ieee80211_channel_switch *ch_switch)
{
/*
* MULTI-FIXME
* See iwl_mac_channel_switch.
*/
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl6000_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 %u to %u\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;
}
priv->switch_rxon.channel = cmd.channel;
priv->switch_rxon.switch_in_progress = true;
return iwl_send_cmd_sync(priv, &hcmd);
}
static struct iwl_lib_ops iwl2000_lib = {
.set_hw_params = iwl2000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,
.txq_init = iwl_hw_tx_queue_init,
.rx_handler_setup = iwlagn_rx_handler_setup,
.setup_deferred_work = iwlagn_bt_setup_deferred_work,
.cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
.is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
.send_tx_power = iwlagn_send_tx_power,
.update_chain_flags = iwl_update_chain_flags,
.set_channel_switch = iwl2030_hw_channel_switch,
.apm_ops = {
.init = iwl_apm_init,
.config = iwl2000_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_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_REGULATORY_BAND_NO_HT40,
},
.query_addr = iwlagn_eeprom_query_addr,
.update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
},
.temp_ops = {
.temperature = iwlagn_temperature,
},
.debugfs_ops = {
.rx_stats_read = iwl_ucode_rx_stats_read,
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
.reply_tx_error = iwl_reply_tx_error_read,
},
.txfifo_flush = iwlagn_txfifo_flush,
.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
};
static const struct iwl_ops iwl2000_ops = {
.lib = &iwl2000_lib,
.hcmd = &iwlagn_hcmd,
.utils = &iwlagn_hcmd_utils,
};
static const struct iwl_ops iwl2030_ops = {
.lib = &iwl2000_lib,
.hcmd = &iwlagn_bt_hcmd,
.utils = &iwlagn_hcmd_utils,
};
static const struct iwl_ops iwl105_ops = {
.lib = &iwl2000_lib,
.hcmd = &iwlagn_hcmd,
.utils = &iwlagn_hcmd_utils,
};
static const struct iwl_ops iwl135_ops = {
.lib = &iwl2000_lib,
.hcmd = &iwlagn_bt_hcmd,
.utils = &iwlagn_hcmd_utils,
};
static struct iwl_base_params iwl2000_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
.shadow_ram_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.chain_noise_scale = 1000,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 512,
.shadow_reg_enable = true,
};
static struct iwl_base_params iwl2030_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
.shadow_ram_support = true,
.led_compensation = 57,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.chain_noise_scale = 1000,
.wd_timeout = IWL_LONG_WD_TIMEOUT,
.max_event_log_size = 512,
.shadow_reg_enable = true,
};
static struct iwl_ht_params iwl2000_ht_params = {
.ht_greenfield_support = true,
.use_rts_for_aggregation = true, /* use rts/cts protection */
};
static struct iwl_bt_params iwl2030_bt_params = {
/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
.advanced_bt_coexist = true,
.agg_time_limit = BT_AGG_THRESHOLD_DEF,
.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
.bt_sco_disable = true,
.bt_session_2 = true,
};
#define IWL_DEVICE_2000 \
.fw_name_pre = IWL2000_FW_PRE, \
.ucode_api_max = IWL2000_UCODE_API_MAX, \
.ucode_api_min = IWL2000_UCODE_API_MIN, \
.eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
.ops = &iwl2000_ops, \
.base_params = &iwl2000_base_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE, \
.iq_invert = true, \
.disable_otp_refresh = true \
struct iwl_cfg iwl2000_2bgn_cfg = {
.name = "2000 Series 2x2 BGN",
IWL_DEVICE_2000,
.ht_params = &iwl2000_ht_params,
};
struct iwl_cfg iwl2000_2bg_cfg = {
.name = "2000 Series 2x2 BG",
IWL_DEVICE_2000,
};
#define IWL_DEVICE_2030 \
.fw_name_pre = IWL2030_FW_PRE, \
.ucode_api_max = IWL2030_UCODE_API_MAX, \
.ucode_api_min = IWL2030_UCODE_API_MIN, \
.eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
.ops = &iwl2030_ops, \
.base_params = &iwl2030_base_params, \
.bt_params = &iwl2030_bt_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.iq_invert = true \
struct iwl_cfg iwl2030_2bgn_cfg = {
.name = "2000 Series 2x2 BGN/BT",
IWL_DEVICE_2030,
.ht_params = &iwl2000_ht_params,
};
struct iwl_cfg iwl2030_2bg_cfg = {
.name = "2000 Series 2x2 BG/BT",
IWL_DEVICE_2030,
};
#define IWL_DEVICE_105 \
.fw_name_pre = IWL105_FW_PRE, \
.ucode_api_max = IWL105_UCODE_API_MAX, \
.ucode_api_min = IWL105_UCODE_API_MIN, \
.eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
.ops = &iwl105_ops, \
.base_params = &iwl2000_base_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.rx_with_siso_diversity = true \
struct iwl_cfg iwl105_bg_cfg = {
.name = "105 Series 1x1 BG",
IWL_DEVICE_105,
};
struct iwl_cfg iwl105_bgn_cfg = {
.name = "105 Series 1x1 BGN",
IWL_DEVICE_105,
.ht_params = &iwl2000_ht_params,
};
#define IWL_DEVICE_135 \
.fw_name_pre = IWL105_FW_PRE, \
.ucode_api_max = IWL105_UCODE_API_MAX, \
.ucode_api_min = IWL105_UCODE_API_MIN, \
.eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
.ops = &iwl135_ops, \
.base_params = &iwl2030_base_params, \
.bt_params = &iwl2030_bt_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.rx_with_siso_diversity = true \
struct iwl_cfg iwl135_bg_cfg = {
.name = "105 Series 1x1 BG/BT",
IWL_DEVICE_135,
};
struct iwl_cfg iwl135_bgn_cfg = {
.name = "105 Series 1x1 BGN/BT",
IWL_DEVICE_135,
.ht_params = &iwl2000_ht_params,
};
MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));