[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-5000.c

/******************************************************************************
 *
 * Copyright(c) 2007-2008 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 Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/

#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>
#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-helpers.h"
#include "iwl-5000-hw.h"

#define IWL5000_UCODE_API  "-1"

static int iwl5000_apm_init(struct iwl_priv *priv)
{
	int ret = 0;

	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
		    CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);

	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);

	/* set "initialization complete" bit to move adapter
	 * D0U* --> D0A* state */
	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);

	/* wait for clock stabilization */
	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
	if (ret < 0) {
		IWL_DEBUG_INFO("Failed to init the card\n");
		return ret;
	}

	ret = iwl_grab_nic_access(priv);
	if (ret)
		return ret;

	/* enable DMA */
	iwl_write_prph(priv, APMG_CLK_EN_REG,
			APMG_CLK_VAL_DMA_CLK_RQT);

	udelay(20);

	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
			APMG_PCIDEV_STT_VAL_L1_ACT_DIS);

	iwl_release_nic_access(priv);

	return ret;
}

static void iwl5000_nic_config(struct iwl_priv *priv)
{
	unsigned long flags;
	u16 radio_cfg;
	u8 val_link;

	spin_lock_irqsave(&priv->lock, flags);

	pci_read_config_byte(priv->pci_dev, PCI_LINK_CTRL, &val_link);

	/* disable L1 entry -- workaround for pre-B1 */
	pci_write_config_byte(priv->pci_dev, PCI_LINK_CTRL, val_link & ~0x02);

	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);

	/* write radio config values to register */
	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_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);

	spin_unlock_irqrestore(&priv->lock, flags);
}


/*
 * EEPROM
 */
static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address)
{
	u16 offset = 0;

	if ((address & INDIRECT_ADDRESS) == 0)
		return address;

	switch (address & INDIRECT_TYPE_MSK) {
	case INDIRECT_HOST:
		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_HOST);
		break;
	case INDIRECT_GENERAL:
		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_GENERAL);
		break;
	case INDIRECT_REGULATORY:
		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_REGULATORY);
		break;
	case INDIRECT_CALIBRATION:
		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_CALIBRATION);
		break;
	case INDIRECT_PROCESS_ADJST:
		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_PROCESS_ADJST);
		break;
	case INDIRECT_OTHERS:
		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_OTHERS);
		break;
	default:
		IWL_ERROR("illegal indirect type: 0x%X\n",
		address & INDIRECT_TYPE_MSK);
		break;
	}

	/* translate the offset from words to byte */
	return (address & ADDRESS_MSK) + (offset << 1);
}

static int iwl5000_eeprom_check_version(struct iwl_priv *priv)
{
	u16 eeprom_ver;
	struct iwl_eeprom_calib_hdr {
		u8 version;
		u8 pa_type;
		u16 voltage;
	} *hdr;

	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);

	hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
							EEPROM_5000_CALIB_ALL);

	if (eeprom_ver < EEPROM_5000_EEPROM_VERSION ||
	    hdr->version < EEPROM_5000_TX_POWER_VERSION)
		goto err;

	return 0;
err:
	IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
		  eeprom_ver, EEPROM_5000_EEPROM_VERSION,
		  hdr->version, EEPROM_5000_TX_POWER_VERSION);
	return -EINVAL;

}

#ifdef CONFIG_IWL5000_RUN_TIME_CALIB

static void iwl5000_gain_computation(struct iwl_priv *priv,
		u32 average_noise[NUM_RX_CHAINS],
		u16 min_average_noise_antenna_i,
		u32 min_average_noise)
{
	int i;
	s32 delta_g;
	struct iwl_chain_noise_data *data = &priv->chain_noise_data;

	/* Find Gain Code for the antennas B and C */
	for (i = 1; i < NUM_RX_CHAINS; i++) {
		if ((data->disconn_array[i])) {
			data->delta_gain_code[i] = 0;
			continue;
		}
		delta_g = (1000 * ((s32)average_noise[0] -
			(s32)average_noise[i])) / 1500;
		/* bound gain by 2 bits value max, 3rd bit is sign */
		data->delta_gain_code[i] =
			min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE);

		if (delta_g < 0)
			/* set negative sign */
			data->delta_gain_code[i] |= (1 << 2);
	}

	IWL_DEBUG_CALIB("Delta gains: ANT_B = %d  ANT_C = %d\n",
			data->delta_gain_code[1], data->delta_gain_code[2]);

	if (!data->radio_write) {
		struct iwl5000_calibration_chain_noise_gain_cmd cmd;
		memset(&cmd, 0, sizeof(cmd));

		cmd.op_code = IWL5000_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
		cmd.delta_gain_1 = data->delta_gain_code[1];
		cmd.delta_gain_2 = data->delta_gain_code[2];
		iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
			sizeof(cmd), &cmd, NULL);

		data->radio_write = 1;
		data->state = IWL_CHAIN_NOISE_CALIBRATED;
	}

	data->chain_noise_a = 0;
	data->chain_noise_b = 0;
	data->chain_noise_c = 0;
	data->chain_signal_a = 0;
	data->chain_signal_b = 0;
	data->chain_signal_c = 0;
	data->beacon_count = 0;
}


static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
{
	struct iwl_chain_noise_data *data = &priv->chain_noise_data;

	if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
		struct iwl5000_calibration_chain_noise_reset_cmd cmd;

		memset(&cmd, 0, sizeof(cmd));
		cmd.op_code = IWL5000_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
		if (iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
			sizeof(cmd), &cmd))
			IWL_ERROR("Could not send REPLY_PHY_CALIBRATION_CMD\n");
		data->state = IWL_CHAIN_NOISE_ACCUMULATE;
		IWL_DEBUG_CALIB("Run chain_noise_calibrate\n");
	}
}

static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
	.min_nrg_cck = 95,
	.max_nrg_cck = 0,
	.auto_corr_min_ofdm = 90,
	.auto_corr_min_ofdm_mrc = 170,
	.auto_corr_min_ofdm_x1 = 120,
	.auto_corr_min_ofdm_mrc_x1 = 240,

	.auto_corr_max_ofdm = 120,
	.auto_corr_max_ofdm_mrc = 210,
	.auto_corr_max_ofdm_x1 = 155,
	.auto_corr_max_ofdm_mrc_x1 = 290,

	.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,
};

#endif /* CONFIG_IWL5000_RUN_TIME_CALIB */

static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
					   size_t offset)
{
	u32 address = eeprom_indirect_address(priv, offset);
	BUG_ON(address >= priv->cfg->eeprom_size);
	return &priv->eeprom[address];
}

static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
{
	if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
		IWL_ERROR("invalid queues_num, should be between %d and %d\n",
			  IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
		return -EINVAL;
	}

	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
	priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto;
	priv->hw_params.tx_cmd_len = sizeof(struct iwl4965_tx_cmd);
	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
	priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
	if (priv->cfg->mod_params->amsdu_size_8K)
		priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K;
	else
		priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
	priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
	priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
	priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
	priv->hw_params.max_bsm_size = BSM_SRAM_SIZE;
	priv->hw_params.fat_channel =  BIT(IEEE80211_BAND_2GHZ) |
					BIT(IEEE80211_BAND_5GHZ);
#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
	priv->hw_params.sens = &iwl5000_sensitivity;
#endif

	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
	case CSR_HW_REV_TYPE_5100:
	case CSR_HW_REV_TYPE_5150:
		priv->hw_params.tx_chains_num = 1;
		priv->hw_params.rx_chains_num = 2;
		/* FIXME: move to ANT_A, ANT_B, ANT_C enum */
		priv->hw_params.valid_tx_ant = ANT_A;
		priv->hw_params.valid_rx_ant = ANT_AB;
		break;
	case CSR_HW_REV_TYPE_5300:
	case CSR_HW_REV_TYPE_5350:
		priv->hw_params.tx_chains_num = 3;
		priv->hw_params.rx_chains_num = 3;
		priv->hw_params.valid_tx_ant = ANT_ABC;
		priv->hw_params.valid_rx_ant = ANT_ABC;
		break;
	}

	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
	case CSR_HW_REV_TYPE_5100:
	case CSR_HW_REV_TYPE_5300:
		/* 5X00 wants in Celsius */
		priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
		break;
	case CSR_HW_REV_TYPE_5150:
	case CSR_HW_REV_TYPE_5350:
		/* 5X50 wants in Kelvin */
		priv->hw_params.ct_kill_threshold =
				CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD);
		break;
	}

	return 0;
}

static int iwl5000_alloc_shared_mem(struct iwl_priv *priv)
{
	priv->shared_virt = pci_alloc_consistent(priv->pci_dev,
					sizeof(struct iwl5000_shared),
					&priv->shared_phys);
	if (!priv->shared_virt)
		return -ENOMEM;

	memset(priv->shared_virt, 0, sizeof(struct iwl5000_shared));

	priv->rb_closed_offset = offsetof(struct iwl5000_shared, rb_closed);

	return 0;
}

static void iwl5000_free_shared_mem(struct iwl_priv *priv)
{
	if (priv->shared_virt)
		pci_free_consistent(priv->pci_dev,
				    sizeof(struct iwl5000_shared),
				    priv->shared_virt,
				    priv->shared_phys);
}

static int iwl5000_shared_mem_rx_idx(struct iwl_priv *priv)
{
	struct iwl5000_shared *s = priv->shared_virt;
	return le32_to_cpu(s->rb_closed) & 0xFFF;
}

/**
 * iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
 */
static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
					    struct iwl4965_tx_queue *txq,
					    u16 byte_cnt)
{
	struct iwl5000_shared *shared_data = priv->shared_virt;
	int txq_id = txq->q.id;
	u8 sec_ctl = 0;
	u8 sta = 0;
	int len;

	len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;

	if (txq_id != IWL_CMD_QUEUE_NUM) {
		sta = txq->cmd[txq->q.write_ptr].cmd.tx.sta_id;
		sec_ctl = txq->cmd[txq->q.write_ptr].cmd.tx.sec_ctl;

		switch (sec_ctl & TX_CMD_SEC_MSK) {
		case TX_CMD_SEC_CCM:
			len += CCMP_MIC_LEN;
			break;
		case TX_CMD_SEC_TKIP:
			len += TKIP_ICV_LEN;
			break;
		case TX_CMD_SEC_WEP:
			len += WEP_IV_LEN + WEP_ICV_LEN;
			break;
		}
	}

	IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
		       tfd_offset[txq->q.write_ptr], byte_cnt, len);

	IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
		       tfd_offset[txq->q.write_ptr], sta_id, sta);

	if (txq->q.write_ptr < IWL50_MAX_WIN_SIZE) {
		IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
			tfd_offset[IWL50_QUEUE_SIZE + txq->q.write_ptr],
			byte_cnt, len);
		IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
			tfd_offset[IWL50_QUEUE_SIZE + txq->q.write_ptr],
			sta_id, sta);
	}
}

static u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
{
	u16 size = (u16)sizeof(struct iwl_addsta_cmd);
	memcpy(data, cmd, size);
	return size;
}


static int iwl5000_disable_tx_fifo(struct iwl_priv *priv)
{
	unsigned long flags;
	int ret;

	spin_lock_irqsave(&priv->lock, flags);

	ret = iwl_grab_nic_access(priv);
	if (unlikely(ret)) {
		IWL_ERROR("Tx fifo reset failed");
		spin_unlock_irqrestore(&priv->lock, flags);
		return ret;
	}

	iwl_write_prph(priv, IWL50_SCD_TXFACT, 0);
	iwl_release_nic_access(priv);
	spin_unlock_irqrestore(&priv->lock, flags);

	return 0;
}

static struct iwl_hcmd_ops iwl5000_hcmd = {
};

static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
	.build_addsta_hcmd = iwl5000_build_addsta_hcmd,
#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
	.gain_computation = iwl5000_gain_computation,
	.chain_noise_reset = iwl5000_chain_noise_reset,
#endif
};

static struct iwl_lib_ops iwl5000_lib = {
	.set_hw_params = iwl5000_hw_set_hw_params,
	.alloc_shared_mem = iwl5000_alloc_shared_mem,
	.free_shared_mem = iwl5000_free_shared_mem,
	.shared_mem_rx_idx = iwl5000_shared_mem_rx_idx,
	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
	.disable_tx_fifo = iwl5000_disable_tx_fifo,
	.apm_ops = {
		.init =	iwl5000_apm_init,
		.config = iwl5000_nic_config,
		.set_pwr_src = iwl4965_set_pwr_src,
	},
	.eeprom_ops = {
		.regulatory_bands = {
			EEPROM_5000_REG_BAND_1_CHANNELS,
			EEPROM_5000_REG_BAND_2_CHANNELS,
			EEPROM_5000_REG_BAND_3_CHANNELS,
			EEPROM_5000_REG_BAND_4_CHANNELS,
			EEPROM_5000_REG_BAND_5_CHANNELS,
			EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
			EEPROM_5000_REG_BAND_52_FAT_CHANNELS
		},
		.verify_signature  = iwlcore_eeprom_verify_signature,
		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
		.release_semaphore = iwlcore_eeprom_release_semaphore,
		.check_version	= iwl5000_eeprom_check_version,
		.query_addr = iwl5000_eeprom_query_addr,
	},
};

static struct iwl_ops iwl5000_ops = {
	.lib = &iwl5000_lib,
	.hcmd = &iwl5000_hcmd,
	.utils = &iwl5000_hcmd_utils,
};

static struct iwl_mod_params iwl50_mod_params = {
	.num_of_queues = IWL50_NUM_QUEUES,
	.enable_qos = 1,
	.amsdu_size_8K = 1,
	/* the rest are 0 by default */
};


struct iwl_cfg iwl5300_agn_cfg = {
	.name = "5300AGN",
	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
	.ops = &iwl5000_ops,
	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
	.mod_params = &iwl50_mod_params,
};

struct iwl_cfg iwl5100_agn_cfg = {
	.name = "5100AGN",
	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
	.ops = &iwl5000_ops,
	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
	.mod_params = &iwl50_mod_params,
};

struct iwl_cfg iwl5350_agn_cfg = {
	.name = "5350AGN",
	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
	.ops = &iwl5000_ops,
	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
	.mod_params = &iwl50_mod_params,
};

module_param_named(disable50, iwl50_mod_params.disable, int, 0444);
MODULE_PARM_DESC(disable50,
		  "manually disable the 50XX radio (default 0 [radio on])");
module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
MODULE_PARM_DESC(swcrypto50,
		  "using software crypto engine (default 0 [hardware])\n");
module_param_named(debug50, iwl50_mod_params.debug, int, 0444);
MODULE_PARM_DESC(debug50, "50XX debug output mask");
module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444);
MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality");
module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
Commit	Line	Data
5a6a256e TW	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2007-2008 Intel Corporation. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	17	*
	18	* The full GNU General Public License is included in this distribution in the
	19	* file called LICENSE.
	20	*
	21	* Contact Information:
	22	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	23	*
	24	*****************************************************************************/
	25
	26	#include <linux/kernel.h>
	27	#include <linux/module.h>
	28	#include <linux/version.h>
	29	#include <linux/init.h>
	30	#include <linux/pci.h>
	31	#include <linux/dma-mapping.h>
	32	#include <linux/delay.h>
	33	#include <linux/skbuff.h>
	34	#include <linux/netdevice.h>
	35	#include <linux/wireless.h>
	36	#include <net/mac80211.h>
	37	#include <linux/etherdevice.h>
	38	#include <asm/unaligned.h>
	39
	40	#include "iwl-eeprom.h"
3e0d4cb1	41	#include "iwl-dev.h"
5a6a256e TW	42	#include "iwl-core.h"
	43	#include "iwl-io.h"
	44	#include "iwl-helpers.h"
	45	#include "iwl-5000-hw.h"
	46
	47	#define IWL5000_UCODE_API "-1"
	48
30d59260 TW	49	static int iwl5000_apm_init(struct iwl_priv *priv)
	50	{
	51	int ret = 0;
	52
	53	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
	54	CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
	55
	56	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
	57
	58	/* set "initialization complete" bit to move adapter
	59	* D0U* --> D0A* state */
	60	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
	61
	62	/* wait for clock stabilization */
	63	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
	64	CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
	65	CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
	66	if (ret < 0) {
	67	IWL_DEBUG_INFO("Failed to init the card\n");
	68	return ret;
	69	}
	70
	71	ret = iwl_grab_nic_access(priv);
	72	if (ret)
	73	return ret;
	74
	75	/* enable DMA */
	76	iwl_write_prph(priv, APMG_CLK_EN_REG,
	77	APMG_CLK_VAL_DMA_CLK_RQT);
	78
	79	udelay(20);
	80
	81	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
	82	APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
	83
	84	iwl_release_nic_access(priv);
	85
	86	return ret;
	87	}
	88
5a835353	89	static void iwl5000_nic_config(struct iwl_priv *priv)
e86fe9f6 TW	90	{
	91	unsigned long flags;
	92	u16 radio_cfg;
	93	u8 val_link;
	94
	95	spin_lock_irqsave(&priv->lock, flags);
	96
	97	pci_read_config_byte(priv->pci_dev, PCI_LINK_CTRL, &val_link);
	98
	99	/* disable L1 entry -- workaround for pre-B1 */
	100	pci_write_config_byte(priv->pci_dev, PCI_LINK_CTRL, val_link & ~0x02);
	101
	102	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
	103
	104	/* write radio config values to register */
	105	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_TYPE_MAX)
	106	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
	107	EEPROM_RF_CFG_TYPE_MSK(radio_cfg) \|
	108	EEPROM_RF_CFG_STEP_MSK(radio_cfg) \|
	109	EEPROM_RF_CFG_DASH_MSK(radio_cfg));
	110
	111	/* set CSR_HW_CONFIG_REG for uCode use */
	112	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
	113	CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI \|
	114	CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
	115
	116	spin_unlock_irqrestore(&priv->lock, flags);
	117	}
	118
	119
	120
25ae3986 TW	121	/*
	122	* EEPROM
	123	*/
	124	static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address)
	125	{
	126	u16 offset = 0;
	127
	128	if ((address & INDIRECT_ADDRESS) == 0)
	129	return address;
	130
	131	switch (address & INDIRECT_TYPE_MSK) {
	132	case INDIRECT_HOST:
	133	offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_HOST);
	134	break;
	135	case INDIRECT_GENERAL:
	136	offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_GENERAL);
	137	break;
	138	case INDIRECT_REGULATORY:
	139	offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_REGULATORY);
	140	break;
	141	case INDIRECT_CALIBRATION:
	142	offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_CALIBRATION);
	143	break;
	144	case INDIRECT_PROCESS_ADJST:
	145	offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_PROCESS_ADJST);
	146	break;
	147	case INDIRECT_OTHERS:
	148	offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_OTHERS);
	149	break;
	150	default:
	151	IWL_ERROR("illegal indirect type: 0x%X\n",
	152	address & INDIRECT_TYPE_MSK);
	153	break;
	154	}
	155
	156	/* translate the offset from words to byte */
	157	return (address & ADDRESS_MSK) + (offset << 1);
	158	}
	159
f1f69415 TW	160	static int iwl5000_eeprom_check_version(struct iwl_priv *priv)
	161	{
	162	u16 eeprom_ver;
	163	struct iwl_eeprom_calib_hdr {
	164	u8 version;
	165	u8 pa_type;
	166	u16 voltage;
	167	} *hdr;
	168
	169	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
	170
	171	hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
	172	EEPROM_5000_CALIB_ALL);
	173
	174	if (eeprom_ver < EEPROM_5000_EEPROM_VERSION \|\|
	175	hdr->version < EEPROM_5000_TX_POWER_VERSION)
	176	goto err;
	177
	178	return 0;
	179	err:
	180	IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
	181	eeprom_ver, EEPROM_5000_EEPROM_VERSION,
	182	hdr->version, EEPROM_5000_TX_POWER_VERSION);
	183	return -EINVAL;
	184
	185	}
	186
33fd5033 EG	187	#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
	188
	189	static void iwl5000_gain_computation(struct iwl_priv *priv,
	190	u32 average_noise[NUM_RX_CHAINS],
	191	u16 min_average_noise_antenna_i,
	192	u32 min_average_noise)
	193	{
	194	int i;
	195	s32 delta_g;
	196	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
	197
	198	/* Find Gain Code for the antennas B and C */
	199	for (i = 1; i < NUM_RX_CHAINS; i++) {
	200	if ((data->disconn_array[i])) {
	201	data->delta_gain_code[i] = 0;
	202	continue;
	203	}
	204	delta_g = (1000 * ((s32)average_noise[0] -
	205	(s32)average_noise[i])) / 1500;
	206	/* bound gain by 2 bits value max, 3rd bit is sign */
	207	data->delta_gain_code[i] =
	208	min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
	209
	210	if (delta_g < 0)
	211	/* set negative sign */
	212	data->delta_gain_code[i] \|= (1 << 2);
	213	}
	214
	215	IWL_DEBUG_CALIB("Delta gains: ANT_B = %d ANT_C = %d\n",
	216	data->delta_gain_code[1], data->delta_gain_code[2]);
	217
	218	if (!data->radio_write) {
	219	struct iwl5000_calibration_chain_noise_gain_cmd cmd;
	220	memset(&cmd, 0, sizeof(cmd));
	221
	222	cmd.op_code = IWL5000_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
	223	cmd.delta_gain_1 = data->delta_gain_code[1];
	224	cmd.delta_gain_2 = data->delta_gain_code[2];
	225	iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
	226	sizeof(cmd), &cmd, NULL);
	227
	228	data->radio_write = 1;
	229	data->state = IWL_CHAIN_NOISE_CALIBRATED;
	230	}
	231
	232	data->chain_noise_a = 0;
	233	data->chain_noise_b = 0;
	234	data->chain_noise_c = 0;
	235	data->chain_signal_a = 0;
	236	data->chain_signal_b = 0;
	237	data->chain_signal_c = 0;
	238	data->beacon_count = 0;
	239	}
	240
f1f69415	241
33fd5033 EG	242	static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
	243	{
	244	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
	245
	246	if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
	247	struct iwl5000_calibration_chain_noise_reset_cmd cmd;
	248
	249	memset(&cmd, 0, sizeof(cmd));
	250	cmd.op_code = IWL5000_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
	251	if (iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
	252	sizeof(cmd), &cmd))
	253	IWL_ERROR("Could not send REPLY_PHY_CALIBRATION_CMD\n");
	254	data->state = IWL_CHAIN_NOISE_ACCUMULATE;
	255	IWL_DEBUG_CALIB("Run chain_noise_calibrate\n");
	256	}
	257	}
	258
	259	static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
	260	.min_nrg_cck = 95,
	261	.max_nrg_cck = 0,
	262	.auto_corr_min_ofdm = 90,
	263	.auto_corr_min_ofdm_mrc = 170,
	264	.auto_corr_min_ofdm_x1 = 120,
	265	.auto_corr_min_ofdm_mrc_x1 = 240,
	266
	267	.auto_corr_max_ofdm = 120,
	268	.auto_corr_max_ofdm_mrc = 210,
	269	.auto_corr_max_ofdm_x1 = 155,
	270	.auto_corr_max_ofdm_mrc_x1 = 290,
	271
	272	.auto_corr_min_cck = 125,
	273	.auto_corr_max_cck = 200,
	274	.auto_corr_min_cck_mrc = 170,
	275	.auto_corr_max_cck_mrc = 400,
	276	.nrg_th_cck = 95,
	277	.nrg_th_ofdm = 95,
	278	};
	279
	280	#endif /* CONFIG_IWL5000_RUN_TIME_CALIB */
	281
25ae3986 TW	282	static const u8 iwl5000_eeprom_query_addr(const struct iwl_priv priv,
	283	size_t offset)
	284	{
	285	u32 address = eeprom_indirect_address(priv, offset);
	286	BUG_ON(address >= priv->cfg->eeprom_size);
	287	return &priv->eeprom[address];
	288	}
	289
fdd3e8a4 TW	290	static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
	291	{
	292	if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) \|\|
	293	(priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
	294	IWL_ERROR("invalid queues_num, should be between %d and %d\n",
	295	IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
	296	return -EINVAL;
	297	}
25ae3986	298
fdd3e8a4 TW	299	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
	300	priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto;
	301	priv->hw_params.tx_cmd_len = sizeof(struct iwl4965_tx_cmd);
	302	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
	303	priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
	304	if (priv->cfg->mod_params->amsdu_size_8K)
	305	priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K;
	306	else
	307	priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
	308	priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
	309	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
	310	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
	311	priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
	312	priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
	313	priv->hw_params.max_bsm_size = BSM_SRAM_SIZE;
	314	priv->hw_params.fat_channel = BIT(IEEE80211_BAND_2GHZ) \|
	315	BIT(IEEE80211_BAND_5GHZ);
33fd5033 EG	316	#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
	317	priv->hw_params.sens = &iwl5000_sensitivity;
	318	#endif
fdd3e8a4 TW	319
	320	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
	321	case CSR_HW_REV_TYPE_5100:
	322	case CSR_HW_REV_TYPE_5150:
	323	priv->hw_params.tx_chains_num = 1;
	324	priv->hw_params.rx_chains_num = 2;
	325	/* FIXME: move to ANT_A, ANT_B, ANT_C enum */
1179f18d TW	326	priv->hw_params.valid_tx_ant = ANT_A;
1179f18d TW	327	priv->hw_params.valid_rx_ant = ANT_AB;
fdd3e8a4 TW	328	break;
	329	case CSR_HW_REV_TYPE_5300:
	330	case CSR_HW_REV_TYPE_5350:
	331	priv->hw_params.tx_chains_num = 3;
	332	priv->hw_params.rx_chains_num = 3;
1179f18d TW	333	priv->hw_params.valid_tx_ant = ANT_ABC;
1179f18d TW	334	priv->hw_params.valid_rx_ant = ANT_ABC;
fdd3e8a4 TW	335	break;
fdd3e8a4 TW	336	}
c031bf80 EG	337
	338	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
	339	case CSR_HW_REV_TYPE_5100:
	340	case CSR_HW_REV_TYPE_5300:
	341	/* 5X00 wants in Celsius */
	342	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
	343	break;
	344	case CSR_HW_REV_TYPE_5150:
	345	case CSR_HW_REV_TYPE_5350:
	346	/* 5X50 wants in Kelvin */
	347	priv->hw_params.ct_kill_threshold =
	348	CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD);
	349	break;
	350	}
	351
fdd3e8a4 TW	352	return 0;
fdd3e8a4 TW	353	}
d4100dd9 RR	354
	355	static int iwl5000_alloc_shared_mem(struct iwl_priv *priv)
	356	{
	357	priv->shared_virt = pci_alloc_consistent(priv->pci_dev,
	358	sizeof(struct iwl5000_shared),
	359	&priv->shared_phys);
	360	if (!priv->shared_virt)
	361	return -ENOMEM;
	362
	363	memset(priv->shared_virt, 0, sizeof(struct iwl5000_shared));
	364
d67f5489 RR	365	priv->rb_closed_offset = offsetof(struct iwl5000_shared, rb_closed);
d67f5489 RR	366
d4100dd9 RR	367	return 0;
	368	}
	369
	370	static void iwl5000_free_shared_mem(struct iwl_priv *priv)
	371	{
	372	if (priv->shared_virt)
	373	pci_free_consistent(priv->pci_dev,
	374	sizeof(struct iwl5000_shared),
	375	priv->shared_virt,
	376	priv->shared_phys);
	377	}
	378
d67f5489 RR	379	static int iwl5000_shared_mem_rx_idx(struct iwl_priv *priv)
	380	{
	381	struct iwl5000_shared *s = priv->shared_virt;
	382	return le32_to_cpu(s->rb_closed) & 0xFFF;
	383	}
	384
7839fc03 EG	385	/**
	386	* iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
	387	*/
	388	static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
	389	struct iwl4965_tx_queue *txq,
	390	u16 byte_cnt)
	391	{
	392	struct iwl5000_shared *shared_data = priv->shared_virt;
	393	int txq_id = txq->q.id;
	394	u8 sec_ctl = 0;
	395	u8 sta = 0;
	396	int len;
	397
	398	len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
	399
	400	if (txq_id != IWL_CMD_QUEUE_NUM) {
	401	sta = txq->cmd[txq->q.write_ptr].cmd.tx.sta_id;
	402	sec_ctl = txq->cmd[txq->q.write_ptr].cmd.tx.sec_ctl;
	403
	404	switch (sec_ctl & TX_CMD_SEC_MSK) {
	405	case TX_CMD_SEC_CCM:
	406	len += CCMP_MIC_LEN;
	407	break;
	408	case TX_CMD_SEC_TKIP:
	409	len += TKIP_ICV_LEN;
	410	break;
	411	case TX_CMD_SEC_WEP:
	412	len += WEP_IV_LEN + WEP_ICV_LEN;
	413	break;
	414	}
	415	}
	416
	417	IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
	418	tfd_offset[txq->q.write_ptr], byte_cnt, len);
	419
	420	IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
	421	tfd_offset[txq->q.write_ptr], sta_id, sta);
	422
	423	if (txq->q.write_ptr < IWL50_MAX_WIN_SIZE) {
	424	IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
	425	tfd_offset[IWL50_QUEUE_SIZE + txq->q.write_ptr],
	426	byte_cnt, len);
	427	IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
	428	tfd_offset[IWL50_QUEUE_SIZE + txq->q.write_ptr],
	429	sta_id, sta);
	430	}
	431	}
	432
2469bf2e TW	433	static u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd cmd, u8 data)
	434	{
	435	u16 size = (u16)sizeof(struct iwl_addsta_cmd);
	436	memcpy(data, cmd, size);
	437	return size;
	438	}
	439
	440
5a676bbe RR	441	static int iwl5000_disable_tx_fifo(struct iwl_priv *priv)
	442	{
	443	unsigned long flags;
	444	int ret;
	445
	446	spin_lock_irqsave(&priv->lock, flags);
	447
	448	ret = iwl_grab_nic_access(priv);
	449	if (unlikely(ret)) {
	450	IWL_ERROR("Tx fifo reset failed");
	451	spin_unlock_irqrestore(&priv->lock, flags);
	452	return ret;
	453	}
	454
	455	iwl_write_prph(priv, IWL50_SCD_TXFACT, 0);
	456	iwl_release_nic_access(priv);
	457	spin_unlock_irqrestore(&priv->lock, flags);
	458
	459	return 0;
	460	}
	461
da8dec29 TW	462	static struct iwl_hcmd_ops iwl5000_hcmd = {
	463	};
	464
	465	static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
2469bf2e	466	.build_addsta_hcmd = iwl5000_build_addsta_hcmd,
33fd5033 EG	467	#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
	468	.gain_computation = iwl5000_gain_computation,
	469	.chain_noise_reset = iwl5000_chain_noise_reset,
	470	#endif
da8dec29 TW	471	};
	472
	473	static struct iwl_lib_ops iwl5000_lib = {
fdd3e8a4	474	.set_hw_params = iwl5000_hw_set_hw_params,
d4100dd9 RR	475	.alloc_shared_mem = iwl5000_alloc_shared_mem,
d4100dd9 RR	476	.free_shared_mem = iwl5000_free_shared_mem,
d67f5489	477	.shared_mem_rx_idx = iwl5000_shared_mem_rx_idx,
7839fc03	478	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
5a676bbe	479	.disable_tx_fifo = iwl5000_disable_tx_fifo,
30d59260 TW	480	.apm_ops = {
30d59260 TW	481	.init = iwl5000_apm_init,
5a835353	482	.config = iwl5000_nic_config,
88acbd3b	483	.set_pwr_src = iwl4965_set_pwr_src,
30d59260	484	},
da8dec29	485	.eeprom_ops = {
25ae3986 TW	486	.regulatory_bands = {
	487	EEPROM_5000_REG_BAND_1_CHANNELS,
	488	EEPROM_5000_REG_BAND_2_CHANNELS,
	489	EEPROM_5000_REG_BAND_3_CHANNELS,
	490	EEPROM_5000_REG_BAND_4_CHANNELS,
	491	EEPROM_5000_REG_BAND_5_CHANNELS,
	492	EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
	493	EEPROM_5000_REG_BAND_52_FAT_CHANNELS
	494	},
da8dec29 TW	495	.verify_signature = iwlcore_eeprom_verify_signature,
	496	.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
	497	.release_semaphore = iwlcore_eeprom_release_semaphore,
f1f69415	498	.check_version = iwl5000_eeprom_check_version,
25ae3986	499	.query_addr = iwl5000_eeprom_query_addr,
da8dec29 TW	500	},
	501	};
	502
	503	static struct iwl_ops iwl5000_ops = {
	504	.lib = &iwl5000_lib,
	505	.hcmd = &iwl5000_hcmd,
	506	.utils = &iwl5000_hcmd_utils,
	507	};
	508
5a6a256e TW	509	static struct iwl_mod_params iwl50_mod_params = {
	510	.num_of_queues = IWL50_NUM_QUEUES,
	511	.enable_qos = 1,
	512	.amsdu_size_8K = 1,
	513	/* the rest are 0 by default */
	514	};
	515
	516
	517	struct iwl_cfg iwl5300_agn_cfg = {
	518	.name = "5300AGN",
	519	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
	520	.sku = IWL_SKU_A\|IWL_SKU_G\|IWL_SKU_N,
da8dec29	521	.ops = &iwl5000_ops,
25ae3986	522	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
5a6a256e TW	523	.mod_params = &iwl50_mod_params,
	524	};
	525
	526	struct iwl_cfg iwl5100_agn_cfg = {
	527	.name = "5100AGN",
	528	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
	529	.sku = IWL_SKU_A\|IWL_SKU_G\|IWL_SKU_N,
da8dec29	530	.ops = &iwl5000_ops,
25ae3986	531	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
5a6a256e TW	532	.mod_params = &iwl50_mod_params,
	533	};
	534
	535	struct iwl_cfg iwl5350_agn_cfg = {
	536	.name = "5350AGN",
	537	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
	538	.sku = IWL_SKU_A\|IWL_SKU_G\|IWL_SKU_N,
da8dec29	539	.ops = &iwl5000_ops,
25ae3986	540	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
5a6a256e TW	541	.mod_params = &iwl50_mod_params,
	542	};
	543
	544	module_param_named(disable50, iwl50_mod_params.disable, int, 0444);
	545	MODULE_PARM_DESC(disable50,
	546	"manually disable the 50XX radio (default 0 [radio on])");
	547	module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
	548	MODULE_PARM_DESC(swcrypto50,
	549	"using software crypto engine (default 0 [hardware])\n");
	550	module_param_named(debug50, iwl50_mod_params.debug, int, 0444);
	551	MODULE_PARM_DESC(debug50, "50XX debug output mask");
	552	module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
	553	MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
	554	module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444);
	555	MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality");
	556	module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
	557	MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
	558
	559