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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#include "../wifi.h"
26#include <linux/vmalloc.h>
27#include <linux/module.h>
28
29#include "rtl_btc.h"
30#include "halbt_precomp.h"
31
32static struct rtl_btc_ops rtl_btc_operation = {
33	.btc_init_variables = rtl_btc_init_variables,
34	.btc_init_hal_vars = rtl_btc_init_hal_vars,
35	.btc_init_hw_config = rtl_btc_init_hw_config,
36	.btc_ips_notify = rtl_btc_ips_notify,
37	.btc_lps_notify = rtl_btc_lps_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	.btc_special_packet_notify = rtl_btc_special_packet_notify,
48};
49
50void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
51{
52	exhalbtc_initlize_variables(rtlpriv);
53}
54
55void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
56{
57	u8 ant_num;
58	u8 bt_exist;
59	u8 bt_type;
60
61	ant_num = rtl_get_hwpg_ant_num(rtlpriv);
62	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
63		 "%s, antNum is %d\n", __func__, ant_num);
64
65	bt_exist = rtl_get_hwpg_bt_exist(rtlpriv);
66	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
67		 "%s, bt_exist is %d\n", __func__, bt_exist);
68	exhalbtc_set_bt_exist(bt_exist);
69
70	bt_type = rtl_get_hwpg_bt_type(rtlpriv);
71	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%s, bt_type is %d\n",
72		 __func__, bt_type);
73	exhalbtc_set_chip_type(bt_type);
74
75	exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num);
76}
77
78void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
79{
80	exhalbtc_init_hw_config(&gl_bt_coexist);
81	exhalbtc_init_coex_dm(&gl_bt_coexist);
82}
83
84void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
85{
86	exhalbtc_ips_notify(&gl_bt_coexist, type);
87}
88
89void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type)
90{
91	exhalbtc_lps_notify(&gl_bt_coexist, type);
92}
93
94void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
95{
96	exhalbtc_scan_notify(&gl_bt_coexist, scantype);
97}
98
99void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
100{
101	exhalbtc_connect_notify(&gl_bt_coexist, action);
102}
103
104void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
105				enum rt_media_status mstatus)
106{
107	exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus);
108}
109
110void rtl_btc_periodical(struct rtl_priv *rtlpriv)
111{
112	/*rtl_bt_dm_monitor();*/
113	exhalbtc_periodical(&gl_bt_coexist);
114}
115
116void rtl_btc_halt_notify(void)
117{
118	exhalbtc_halt_notify(&gl_bt_coexist);
119}
120
121void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
122{
123	exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length);
124}
125
126bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
127{
128	return gl_bt_coexist.bt_info.limited_dig;
129}
130
131bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
132{
133	bool bt_change_edca = false;
134	u32 cur_edca_val;
135	u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
136	u32 edca_hs;
137	u32 edca_addr = 0x504;
138
139	cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
140	if (halbtc_is_wifi_uplink(rtlpriv)) {
141		if (cur_edca_val != edca_bt_hs_uplink) {
142			edca_hs = edca_bt_hs_uplink;
143			bt_change_edca = true;
144		}
145	} else {
146		if (cur_edca_val != edca_bt_hs_downlink) {
147			edca_hs = edca_bt_hs_downlink;
148			bt_change_edca = true;
149		}
150	}
151
152	if (bt_change_edca)
153		rtl_write_dword(rtlpriv, edca_addr, edca_hs);
154
155	return true;
156}
157
158bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
159{
160	/* It seems 'bt_disabled' is never be initialized or set. */
161	if (gl_bt_coexist.bt_info.bt_disabled)
162		return true;
163	else
164		return false;
165}
166
167void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type)
168{
169	return exhalbtc_special_packet_notify(&gl_bt_coexist, pkt_type);
170}
171
172struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
173{
174	return &rtl_btc_operation;
175}
176EXPORT_SYMBOL(rtl_btc_get_ops_pointer);
177
178u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
179{
180	u8 num;
181
182	if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
183		num = 2;
184	else
185		num = 1;
186
187	return num;
188}
189
190enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw)
191{
192	struct rtl_priv *rtlpriv = rtl_priv(hw);
193	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
194	enum rt_media_status    m_status = RT_MEDIA_DISCONNECT;
195
196	u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
197
198	if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
199		m_status = RT_MEDIA_CONNECT;
200
201	return m_status;
202}
203
204u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
205{
206	return rtlpriv->btcoexist.btc_info.btcoexist;
207}
208
209u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
210{
211	return rtlpriv->btcoexist.btc_info.bt_type;
212}
213
214MODULE_AUTHOR("Page He	<page_he@realsil.com.cn>");
215MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
216MODULE_AUTHOR("Larry Finger	<Larry.FInger@lwfinger.net>");
217MODULE_LICENSE("GPL");
218MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
219
220static int __init rtl_btcoexist_module_init(void)
221{
222	return 0;
223}
224
225static void __exit rtl_btcoexist_module_exit(void)
226{
227	return;
228}
229
230module_init(rtl_btcoexist_module_init);
231module_exit(rtl_btcoexist_module_exit);
232