/*
   * This file is part of wl18xx
   *
   * Copyright (C) 2011 Texas Instruments Inc.
   *
   * 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 "../wlcore/cmd.h"
  #include "../wlcore/debug.h"
  #include "../wlcore/acx.h"
  
  #include "acx.h"
  #include "wl18xx.h"
  
  int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
  				  u32 sdio_blk_size, u32 extra_mem_blks,
  				  u32 len_field_size)
  {
  	struct wl18xx_acx_host_config_bitmap *bitmap_conf;
  	int ret;
  
  	wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d",
  		     host_cfg_bitmap, sdio_blk_size, extra_mem_blks,
  		     len_field_size);
  
  	bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL);
  	if (!bitmap_conf) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap);
  	bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size);
  	bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks);
  	bitmap_conf->length_field_size = cpu_to_le32(len_field_size);
  
  	ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP,
  				   bitmap_conf, sizeof(*bitmap_conf));
  	if (ret < 0) {
  		wl1271_warning("wl1271 bitmap config opt failed: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(bitmap_conf);
  
  	return ret;
  }
  
  int wl18xx_acx_set_checksum_state(struct wl1271 *wl)
  {
  	struct wl18xx_acx_checksum_state *acx;
  	int ret;
  
  	wl1271_debug(DEBUG_ACX, "acx checksum state");
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED;
  
  	ret = wl1271_cmd_configure(wl, ACX_CSUM_CONFIG, acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("failed to set Tx checksum state: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  }
  
  int wl18xx_acx_clear_statistics(struct wl1271 *wl)
  {
  	struct wl18xx_acx_clear_statistics *acx;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_ACX, "acx clear statistics");
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("failed to clear firmware statistics: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  }
  
  int wl18xx_acx_peer_ht_operation_mode(struct wl1271 *wl, u8 hlid, bool wide)
  {
  	struct wlcore_peer_ht_operation_mode *acx;
  	int ret;
  
  	wl1271_debug(DEBUG_ACX, "acx peer ht operation mode hlid %d bw %d",
  		     hlid, wide);
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	acx->hlid = hlid;
  	acx->bandwidth = wide ? WLCORE_BANDWIDTH_40MHZ : WLCORE_BANDWIDTH_20MHZ;
  
  	ret = wl1271_cmd_configure(wl, ACX_PEER_HT_OPERATION_MODE_CFG, acx,
  				   sizeof(*acx));
  
  	if (ret < 0) {
  		wl1271_warning("acx peer ht operation mode failed: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  
  }
  
  /*
   * this command is basically the same as wl1271_acx_ht_capabilities,
   * with the addition of supported rates. they should be unified in
   * the next fw api change
   */
  int wl18xx_acx_set_peer_cap(struct wl1271 *wl,
  			    struct ieee80211_sta_ht_cap *ht_cap,
  			    bool allow_ht_operation,
  			    u32 rate_set, u8 hlid)
  {
  	struct wlcore_acx_peer_cap *acx;
  	int ret = 0;
  	u32 ht_capabilites = 0;
  
  	wl1271_debug(DEBUG_ACX,
  		     "acx set cap ht_supp: %d ht_cap: %d rates: 0x%x",
  		     ht_cap->ht_supported, ht_cap->cap, rate_set);
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	if (allow_ht_operation && ht_cap->ht_supported) {
  		/* no need to translate capabilities - use the spec values */
  		ht_capabilites = ht_cap->cap;
  
  		/*
  		 * this bit is not employed by the spec but only by FW to
  		 * indicate peer HT support
  		 */
  		ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION;
  
  		/* get data from A-MPDU parameters field */
  		acx->ampdu_max_length = ht_cap->ampdu_factor;
  		acx->ampdu_min_spacing = ht_cap->ampdu_density;
  	}
  
  	acx->hlid = hlid;
  	acx->ht_capabilites = cpu_to_le32(ht_capabilites);
  	acx->supported_rates = cpu_to_le32(rate_set);
  
  	ret = wl1271_cmd_configure(wl, ACX_PEER_CAP, acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("acx ht capabilities setting failed: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  }
  
  /*
   * When the host is suspended, we don't want to get any fast-link/PSM
   * notifications
   */
  int wl18xx_acx_interrupt_notify_config(struct wl1271 *wl,
  				       bool action)
  {
  	struct wl18xx_acx_interrupt_notify *acx;
  	int ret = 0;
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	acx->enable = action;
  	ret = wl1271_cmd_configure(wl, ACX_INTERRUPT_NOTIFY, acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("acx interrupt notify setting failed: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  }
  
  /*
   * When the host is suspended, we can configure the FW to disable RX BA
   * notifications.
   */
  int wl18xx_acx_rx_ba_filter(struct wl1271 *wl, bool action)
  {
  	struct wl18xx_acx_rx_ba_filter *acx;
  	int ret = 0;
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	acx->enable = (u32)action;
  	ret = wl1271_cmd_configure(wl, ACX_RX_BA_FILTER, acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("acx rx ba activity filter setting failed: %d",
  			       ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  }
  
  int wl18xx_acx_ap_sleep(struct wl1271 *wl)
  {
  	struct wl18xx_priv *priv = wl->priv;
  	struct acx_ap_sleep_cfg *acx;
  	struct conf_ap_sleep_settings *conf = &priv->conf.ap_sleep;
  	int ret;
  
  	wl1271_debug(DEBUG_ACX, "acx config ap sleep");
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	acx->idle_duty_cycle = conf->idle_duty_cycle;
  	acx->connected_duty_cycle = conf->connected_duty_cycle;
  	acx->max_stations_thresh = conf->max_stations_thresh;
  	acx->idle_conn_thresh = conf->idle_conn_thresh;
  
  	ret = wl1271_cmd_configure(wl, ACX_AP_SLEEP_CFG, acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("acx config ap-sleep failed: %d", ret);
  		goto out;
  	}
  
  out:
  	kfree(acx);
  	return ret;
  }
  
  int wl18xx_acx_dynamic_fw_traces(struct wl1271 *wl)
  {
  	struct acx_dynamic_fw_traces_cfg *acx;
  	int ret;
  
  	wl1271_debug(DEBUG_ACX, "acx dynamic fw traces config %d",
  		     wl->dynamic_fw_traces);
  
  	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  	if (!acx) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	acx->dynamic_fw_traces = cpu_to_le32(wl->dynamic_fw_traces);
  
  	ret = wl1271_cmd_configure(wl, ACX_DYNAMIC_TRACES_CFG,
  				   acx, sizeof(*acx));
  	if (ret < 0) {
  		wl1271_warning("acx config dynamic fw traces failed: %d", ret);
  		goto out;
  	}
  out:
  	kfree(acx);
  	return ret;
  }