text: /*
   * This file is part of wl1271
   *
   * Copyright (C) 2009 Nokia Corporation
   *
   * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * version 2 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 St, Fifth Floor, Boston, MA
   * 02110-1301 USA
   *
   */
  
  #include <linux/kernel.h>
  #include <linux/module.h>
  #include <linux/slab.h>
  
  #include "wl1271_init.h"
  #include "wl12xx_80211.h"
  #include "wl1271_acx.h"
  #include "wl1271_cmd.h"
  #include "wl1271_reg.h"
  
  static int wl1271_init_hwenc_config(struct wl1271 *wl)
  {
  	int ret;
  
  	ret = wl1271_acx_feature_cfg(wl);
  	if (ret < 0) {
  		wl1271_warning("couldn't set feature config");
  		return ret;
  	}
  
  	ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key);
  	if (ret < 0) {
  		wl1271_warning("couldn't set default key");
  		return ret;
  	}
  
  	return 0;
  }
  
  int wl1271_init_templates_config(struct wl1271 *wl)
  {
  	int ret;
  
  	/* send empty templates for fw memory reservation */
  	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
  				      sizeof(struct wl12xx_probe_req_template));
  	if (ret < 0)
  		return ret;
  
  	if (wl1271_11a_enabled()) {
  		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
  				NULL,
  				sizeof(struct wl12xx_probe_req_template));
  		if (ret < 0)
  			return ret;
  	}
  
  	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  				      sizeof(struct wl12xx_null_data_template));
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  				      sizeof(struct wl12xx_ps_poll_template));
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  				      sizeof
  				      (struct wl12xx_qos_null_data_template));
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  				      sizeof
  				      (struct wl12xx_probe_resp_template));
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  				      sizeof
  				      (struct wl12xx_beacon_template));
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
  {
  	int ret;
  
  	ret = wl1271_acx_rx_msdu_life_time(wl);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_rx_config(wl, config, filter);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  int wl1271_init_phy_config(struct wl1271 *wl)
  {
  	int ret;
  
  	ret = wl1271_acx_pd_threshold(wl);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_service_period_timeout(wl);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  static int wl1271_init_beacon_filter(struct wl1271 *wl)
  {
  	int ret;
  
  	/* disable beacon filtering at this stage */
  	ret = wl1271_acx_beacon_filter_opt(wl, false);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_beacon_filter_table(wl);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  int wl1271_init_pta(struct wl1271 *wl)
  {
  	int ret;
  
  	ret = wl1271_acx_sg_enable(wl);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_acx_sg_cfg(wl);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  int wl1271_init_energy_detection(struct wl1271 *wl)
  {
  	int ret;
  
  	ret = wl1271_acx_cca_threshold(wl);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
  {
  	int ret;
  
  	ret = wl1271_acx_bcn_dtim_options(wl);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  int wl1271_hw_init(struct wl1271 *wl)
  {
  	struct conf_tx_ac_category *conf_ac;
  	struct conf_tx_tid *conf_tid;
  	int ret, i;
  
  	ret = wl1271_cmd_general_parms(wl);
  	if (ret < 0)
  		return ret;
  
  	ret = wl1271_cmd_radio_parms(wl);
  	if (ret < 0)
  		return ret;
  
  	/* Template settings */
  	ret = wl1271_init_templates_config(wl);
  	if (ret < 0)
  		return ret;
  
  	/* Default memory configuration */
  	ret = wl1271_acx_init_mem_config(wl);
  	if (ret < 0)
  		return ret;
  
  	/* RX config */
  	ret = wl1271_init_rx_config(wl,
  				    RX_CFG_PROMISCUOUS | RX_CFG_TSF,
  				    RX_FILTER_OPTION_DEF);
  	/* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
  	   RX_FILTER_OPTION_FILTER_ALL); */
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* PHY layer config */
  	ret = wl1271_init_phy_config(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	ret = wl1271_acx_dco_itrim_params(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Initialize connection monitoring thresholds */
  	ret = wl1271_acx_conn_monit_params(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Beacon filtering */
  	ret = wl1271_init_beacon_filter(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Configure TX patch complete interrupt behavior */
  	ret = wl1271_acx_tx_config_options(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* RX complete interrupt pacing */
  	ret = wl1271_acx_init_rx_interrupt(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Bluetooth WLAN coexistence */
  	ret = wl1271_init_pta(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Energy detection */
  	ret = wl1271_init_energy_detection(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Beacons and boradcast settings */
  	ret = wl1271_init_beacon_broadcast(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Default fragmentation threshold */
  	ret = wl1271_acx_frag_threshold(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Default TID configuration */
  	for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
  		conf_tid = &wl->conf.tx.tid_conf[i];
  		ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
  					 conf_tid->channel_type,
  					 conf_tid->tsid,
  					 conf_tid->ps_scheme,
  					 conf_tid->ack_policy,
  					 conf_tid->apsd_conf[0],
  					 conf_tid->apsd_conf[1]);
  		if (ret < 0)
  			goto out_free_memmap;
  	}
  
  	/* Default AC configuration */
  	for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
  		conf_ac = &wl->conf.tx.ac_conf[i];
  		ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
  					conf_ac->cw_max, conf_ac->aifsn,
  					conf_ac->tx_op_limit);
  		if (ret < 0)
  			goto out_free_memmap;
  	}
  
  	/* Configure TX rate classes */
  	ret = wl1271_acx_rate_policies(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Enable data path */
  	ret = wl1271_cmd_data_path(wl, 1);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Configure for ELP power saving */
  	ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* Configure HW encryption */
  	ret = wl1271_init_hwenc_config(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	/* configure PM */
  	ret = wl1271_acx_pm_config(wl);
  	if (ret < 0)
  		goto out_free_memmap;
  
  	return 0;
  
   out_free_memmap:
  	kfree(wl->target_mem_map);
  	wl->target_mem_map = NULL;
  
  	return ret;
  }
  