1/******************************************************************************
  2 *
  3 * Copyright(c) 2009-2013  Realtek Corporation.
  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 * The full GNU General Public License is included in this distribution in the
 15 * file called LICENSE.
 16 *
 17 * Contact Information:
 18 * wlanfae <wlanfae@realtek.com>
 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 20 * Hsinchu 300, Taiwan.
 21 *
 22 * Larry Finger <Larry.Finger@lwfinger.net>
 23 *
 24 *****************************************************************************/
 25
 26#include "../wifi.h"
 27#include "rtl_btc.h"
 28#include "halbt_precomp.h"
 29
 30#include <linux/vmalloc.h>
 31#include <linux/module.h>
 32
 33static struct rtl_btc_ops rtl_btc_operation = {
 34	.btc_init_variables = rtl_btc_init_variables,
 35	.btc_init_hal_vars = rtl_btc_init_hal_vars,
 36	.btc_init_hw_config = rtl_btc_init_hw_config,
 37	.btc_ips_notify = rtl_btc_ips_notify,
 38	.btc_scan_notify = rtl_btc_scan_notify,
 39	.btc_connect_notify = rtl_btc_connect_notify,
 40	.btc_mediastatus_notify = rtl_btc_mediastatus_notify,
 41	.btc_periodical = rtl_btc_periodical,
 42	.btc_halt_notify = rtl_btc_halt_notify,
 43	.btc_btinfo_notify = rtl_btc_btinfo_notify,
 44	.btc_is_limited_dig = rtl_btc_is_limited_dig,
 45	.btc_is_disable_edca_turbo = rtl_btc_is_disable_edca_turbo,
 46	.btc_is_bt_disabled = rtl_btc_is_bt_disabled,
 47};
 48
 49void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
 50{
 51	exhalbtc_initlize_variables(rtlpriv);
 52}
 53
 54void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
 55{
 56	u8 ant_num;
 57	u8 bt_exist;
 58	u8 bt_type;
 59
 60	ant_num = rtl_get_hwpg_ant_num(rtlpriv);
 61	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
 62		 "%s, antNum is %d\n", __func__, ant_num);
 63
 64	bt_exist = rtl_get_hwpg_bt_exist(rtlpriv);
 65	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
 66		 "%s, bt_exist is %d\n", __func__, bt_exist);
 67	exhalbtc_set_bt_exist(bt_exist);
 68
 69	bt_type = rtl_get_hwpg_bt_type(rtlpriv);
 70	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%s, bt_type is %d\n",
 71		 __func__, bt_type);
 72	exhalbtc_set_chip_type(bt_type);
 73
 74	exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num);
 75}
 76
 77void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
 78{
 79	exhalbtc_init_hw_config(&gl_bt_coexist);
 80	exhalbtc_init_coex_dm(&gl_bt_coexist);
 81}
 82
 83void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
 84{
 85	exhalbtc_ips_notify(&gl_bt_coexist, type);
 86}
 87
 88void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
 89{
 90	exhalbtc_scan_notify(&gl_bt_coexist, scantype);
 91}
 92
 93void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
 94{
 95	exhalbtc_connect_notify(&gl_bt_coexist, action);
 96}
 97
 98void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
 99				enum _RT_MEDIA_STATUS mstatus)
100{
101	exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus);
102}
103
104void rtl_btc_periodical(struct rtl_priv *rtlpriv)
105{
106	exhalbtc_periodical(&gl_bt_coexist);
107}
108
109void rtl_btc_halt_notify(void)
110{
111	exhalbtc_halt_notify(&gl_bt_coexist);
112}
113
114void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
115{
116	exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length);
117}
118
119bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
120{
121	return gl_bt_coexist.bt_info.limited_dig;
122}
123
124bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
125{
126	bool bt_change_edca = false;
127	u32 cur_edca_val;
128	u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
129	u32 edca_hs;
130	u32 edca_addr = 0x504;
131
132	cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
133	if (halbtc_is_wifi_uplink(rtlpriv)) {
134		if (cur_edca_val != edca_bt_hs_uplink) {
135			edca_hs = edca_bt_hs_uplink;
136			bt_change_edca = true;
137		}
138	} else {
139		if (cur_edca_val != edca_bt_hs_downlink) {
140			edca_hs = edca_bt_hs_downlink;
141			bt_change_edca = true;
142		}
143	}
144
145	if (bt_change_edca)
146		rtl_write_dword(rtlpriv, edca_addr, edca_hs);
147
148	return true;
149}
150
151bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
152{
153	if (gl_bt_coexist.bt_info.bt_disabled)
154		return true;
155	else
156		return false;
157}
158
159struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
160{
161	return &rtl_btc_operation;
162}
163EXPORT_SYMBOL(rtl_btc_get_ops_pointer);
164
165u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
166{
167	u8 num;
168
169	if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
170		num = 2;
171	else
172		num = 1;
173
174	return num;
175}
176
177enum _RT_MEDIA_STATUS mgnt_link_status_query(struct ieee80211_hw *hw)
178{
179	struct rtl_priv *rtlpriv = rtl_priv(hw);
180	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
181	enum _RT_MEDIA_STATUS    m_status = RT_MEDIA_DISCONNECT;
182
183	u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
184
185	if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
186		m_status = RT_MEDIA_CONNECT;
187
188	return m_status;
189}
190
191u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
192{
193	return rtlpriv->btcoexist.btc_info.btcoexist;
194}
195
196u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
197{
198	return rtlpriv->btcoexist.btc_info.bt_type;
199}
200
201MODULE_AUTHOR("Page He	<page_he@realsil.com.cn>");
202MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
203MODULE_AUTHOR("Larry Finger	<Larry.FInger@lwfinger.net>");
204MODULE_LICENSE("GPL");
205MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
206
207static int __init rtl_btcoexist_module_init(void)
208{
209	return 0;
210}
211
212static void __exit rtl_btcoexist_module_exit(void)
213{
214	return;
215}
216
217module_init(rtl_btcoexist_module_init);
218module_exit(rtl_btcoexist_module_exit);