/*
   * 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/hw_ops.h"
  
  #include "cmd.h"
  
  int wl18xx_cmd_channel_switch(struct wl1271 *wl,
  			      struct wl12xx_vif *wlvif,
  			      struct ieee80211_channel_switch *ch_switch)
  {
  	struct wl18xx_cmd_channel_switch *cmd;
  	u32 supported_rates;
  	int ret;
  
  	wl1271_debug(DEBUG_ACX, "cmd channel switch (count=%d)",
  		     ch_switch->count);
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	cmd->role_id = wlvif->role_id;
  	cmd->channel = ch_switch->chandef.chan->hw_value;
  	cmd->switch_time = ch_switch->count;
  	cmd->stop_tx = ch_switch->block_tx;
  
  	switch (ch_switch->chandef.chan->band) {
  	case IEEE80211_BAND_2GHZ:
  		cmd->band = WLCORE_BAND_2_4GHZ;
  		break;
  	case IEEE80211_BAND_5GHZ:
  		cmd->band = WLCORE_BAND_5GHZ;
  		break;
  	default:
  		wl1271_error("invalid channel switch band: %d",
  			     ch_switch->chandef.chan->band);
  		ret = -EINVAL;
  		goto out_free;
  	}
  
  	supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES;
  	if (wlvif->bss_type == BSS_TYPE_STA_BSS)
  		supported_rates |= wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
  	else
  		supported_rates |=
  			wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
  	if (wlvif->p2p)
  		supported_rates &= ~CONF_TX_CCK_RATES;
  	cmd->local_supported_rates = cpu_to_le32(supported_rates);
  	cmd->channel_type = wlvif->channel_type;
  
  	ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send channel switch command");
  		goto out_free;
  	}
  
  out_free:
  	kfree(cmd);
  out:
  	return ret;
  }
  
  int wl18xx_cmd_smart_config_start(struct wl1271 *wl, u32 group_bitmap)
  {
  	struct wl18xx_cmd_smart_config_start *cmd;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_CMD, "cmd smart config start group_bitmap=0x%x",
  		     group_bitmap);
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	cmd->group_id_bitmask = cpu_to_le32(group_bitmap);
  
  	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_START, cmd, sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send smart config start command");
  		goto out_free;
  	}
  
  out_free:
  	kfree(cmd);
  out:
  	return ret;
  }
  
  int wl18xx_cmd_smart_config_stop(struct wl1271 *wl)
  {
  	struct wl1271_cmd_header *cmd;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_CMD, "cmd smart config stop");
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_STOP, cmd, sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send smart config stop command");
  		goto out_free;
  	}
  
  out_free:
  	kfree(cmd);
  out:
  	return ret;
  }
  
  int wl18xx_cmd_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,
  					  u8 key_len, u8 *key)
  {
  	struct wl18xx_cmd_smart_config_set_group_key *cmd;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_CMD, "cmd smart config set group key id=0x%x",
  		     group_id);
  
  	if (key_len != sizeof(cmd->key)) {
  		wl1271_error("invalid group key size: %d", key_len);
  		return -E2BIG;
  	}
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd) {
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	cmd->group_id = cpu_to_le32(group_id);
  	memcpy(cmd->key, key, key_len);
  
  	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_SET_GROUP_KEY, cmd,
  			      sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send smart config set group key cmd");
  		goto out_free;
  	}
  
  out_free:
  	kfree(cmd);
  out:
  	return ret;
  }
  
  int wl18xx_cmd_set_cac(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool start)
  {
  	struct wlcore_cmd_cac_start *cmd;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_CMD, "cmd cac (channel %d) %s",
  		     wlvif->channel, start ? "start" : "stop");
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd)
  		return -ENOMEM;
  
  	cmd->role_id = wlvif->role_id;
  	cmd->channel = wlvif->channel;
  	if (wlvif->band == IEEE80211_BAND_5GHZ)
  		cmd->band = WLCORE_BAND_5GHZ;
  	cmd->bandwidth = wlcore_get_native_channel_type(wlvif->channel_type);
  
  	ret = wl1271_cmd_send(wl,
  			      start ? CMD_CAC_START : CMD_CAC_STOP,
  			      cmd, sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send cac command");
  		goto out_free;
  	}
  
  out_free:
  	kfree(cmd);
  	return ret;
  }
  
  int wl18xx_cmd_radar_detection_debug(struct wl1271 *wl, u8 channel)
  {
  	struct wl18xx_cmd_dfs_radar_debug *cmd;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_CMD, "cmd radar detection debug (chan %d)",
  		     channel);
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd)
  		return -ENOMEM;
  
  	cmd->channel = channel;
  
  	ret = wl1271_cmd_send(wl, CMD_DFS_RADAR_DETECTION_DEBUG,
  			      cmd, sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send radar detection debug command");
  		goto out_free;
  	}
  
  out_free:
  	kfree(cmd);
  	return ret;
  }
  
  int wl18xx_cmd_dfs_master_restart(struct wl1271 *wl, struct wl12xx_vif *wlvif)
  {
  	struct wl18xx_cmd_dfs_master_restart *cmd;
  	int ret = 0;
  
  	wl1271_debug(DEBUG_CMD, "cmd dfs master restart (role %d)",
  		     wlvif->role_id);
  
  	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  	if (!cmd)
  		return -ENOMEM;
  
  	cmd->role_id = wlvif->role_id;
  
  	ret = wl1271_cmd_send(wl, CMD_DFS_MASTER_RESTART,
  			      cmd, sizeof(*cmd), 0);
  	if (ret < 0) {
  		wl1271_error("failed to send dfs master restart command");
  		goto out_free;
  	}
  out_free:
  	kfree(cmd);
  	return ret;
  }