Release 4.15 drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c

Directory: drivers/net/wireless/realtek/rtlwifi/btcoexist
/******************************************************************************
 *
 * Copyright(c) 2009-2013  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License 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.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/
#include "../wifi.h"
#include <linux/vmalloc.h>
#include <linux/module.h>

#include "rtl_btc.h"
#include "halbt_precomp.h"


static struct rtl_btc_ops rtl_btc_operation = {
	.btc_init_variables = rtl_btc_init_variables,
	.btc_init_hal_vars = rtl_btc_init_hal_vars,
	.btc_init_hw_config = rtl_btc_init_hw_config,
	.btc_ips_notify = rtl_btc_ips_notify,
	.btc_lps_notify = rtl_btc_lps_notify,
	.btc_scan_notify = rtl_btc_scan_notify,
	.btc_connect_notify = rtl_btc_connect_notify,
	.btc_mediastatus_notify = rtl_btc_mediastatus_notify,
	.btc_periodical = rtl_btc_periodical,
	.btc_halt_notify = rtl_btc_halt_notify,
	.btc_btinfo_notify = rtl_btc_btinfo_notify,
	.btc_btmpinfo_notify = rtl_btc_btmpinfo_notify,
	.btc_is_limited_dig = rtl_btc_is_limited_dig,
	.btc_is_disable_edca_turbo = rtl_btc_is_disable_edca_turbo,
	.btc_is_bt_disabled = rtl_btc_is_bt_disabled,
	.btc_special_packet_notify = rtl_btc_special_packet_notify,
	.btc_record_pwr_mode = rtl_btc_record_pwr_mode,
	.btc_get_lps_val = rtl_btc_get_lps_val,
	.btc_get_rpwm_val = rtl_btc_get_rpwm_val,
	.btc_is_bt_ctrl_lps = rtl_btc_is_bt_ctrl_lps,
	.btc_is_bt_lps_on = rtl_btc_is_bt_lps_on,
	.btc_get_ampdu_cfg = rtl_btc_get_ampdu_cfg,
};



void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len)
{
	u8 safe_len;

	safe_len = sizeof(gl_bt_coexist.pwr_mode_val);

	if (safe_len > len)
		safe_len = len;

	memcpy(gl_bt_coexist.pwr_mode_val, buf, safe_len);
}

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u8 rtl_btc_get_lps_val(struct rtl_priv *rtlpriv)
{
	return gl_bt_coexist.bt_info.lps_val;
}

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u8 rtl_btc_get_rpwm_val(struct rtl_priv *rtlpriv)
{
	return gl_bt_coexist.bt_info.rpwm_val;
}

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bool rtl_btc_is_bt_ctrl_lps(struct rtl_priv *rtlpriv)
{
	return gl_bt_coexist.bt_info.bt_ctrl_lps;
}

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bool rtl_btc_is_bt_lps_on(struct rtl_priv *rtlpriv)
{
	return gl_bt_coexist.bt_info.bt_lps_on;
}

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void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg,
			   u8 *ctrl_agg_size, u8 *agg_size)
{
	if (reject_agg)
		*reject_agg = gl_bt_coexist.bt_info.reject_agg_pkt;
	if (ctrl_agg_size)
		*ctrl_agg_size = gl_bt_coexist.bt_info.bt_ctrl_agg_buf_size;
	if (agg_size)
		*agg_size = gl_bt_coexist.bt_info.agg_buf_size;
}

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void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
{
	exhalbtc_initlize_variables();
	exhalbtc_bind_bt_coex_withadapter(rtlpriv);
}

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Yan-Hsuan Chuang 1 5.56% 1 33.33%
Total 18 100.00% 3 100.00%



void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
{
	/* move ant_num, bt_type and single_ant_path to
         * exhalbtc_bind_bt_coex_withadapter()
         */
}

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void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
{
	u8 bt_exist;

	bt_exist = rtl_get_hwpg_bt_exist(rtlpriv);
	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
		"%s, bt_exist is %d\n", __func__, bt_exist);

	exhalbtc_init_hw_config(&gl_bt_coexist, !bt_exist);
	exhalbtc_init_coex_dm(&gl_bt_coexist);
}

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void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
{
	exhalbtc_ips_notify(&gl_bt_coexist, type);
}

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void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type)
{
	exhalbtc_lps_notify(&gl_bt_coexist, type);
}

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void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
{
	exhalbtc_scan_notify(&gl_bt_coexist, scantype);
}

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void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
{
	exhalbtc_connect_notify(&gl_bt_coexist, action);
}

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void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
				enum rt_media_status mstatus)
{
	exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus);
}

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void rtl_btc_periodical(struct rtl_priv *rtlpriv)
{
	/*rtl_bt_dm_monitor();*/
	exhalbtc_periodical(&gl_bt_coexist);
}

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void rtl_btc_halt_notify(void)
{
	struct btc_coexist *btcoexist = &gl_bt_coexist;

	exhalbtc_halt_notify(btcoexist);
}

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Yan-Hsuan Chuang 9 45.00% 1 50.00%
Total 20 100.00% 2 100.00%



void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
{
	exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length);
}

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void rtl_btc_btmpinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
{
	u8 extid, seq, len;
	u16 bt_real_fw_ver;
	u8 bt_fw_ver;

	if ((length < 4) || (!tmp_buf))
		return;

	extid = tmp_buf[0];
	/* not response from BT FW then exit*/
	if (extid != 1) /* C2H_TRIG_BY_BT_FW = 1 */
		return;

	len = tmp_buf[1] >> 4;
	seq = tmp_buf[2] >> 4;

	/* BT Firmware version response */
	if (seq == 0x0E) {
		bt_real_fw_ver = tmp_buf[3] | (tmp_buf[4] << 8);
		bt_fw_ver = tmp_buf[5];

		gl_bt_coexist.bt_info.bt_real_fw_ver = bt_real_fw_ver;
		gl_bt_coexist.bt_info.bt_fw_ver = bt_fw_ver;
	}
}

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bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
{
	return gl_bt_coexist.bt_info.limited_dig;
}

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bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
{
	bool bt_change_edca = false;
	u32 cur_edca_val;
	u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
	u32 edca_hs;
	u32 edca_addr = 0x504;

	cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
	if (halbtc_is_wifi_uplink(rtlpriv)) {
		if (cur_edca_val != edca_bt_hs_uplink) {
			edca_hs = edca_bt_hs_uplink;
			bt_change_edca = true;
		}
	} else {
		if (cur_edca_val != edca_bt_hs_downlink) {
			edca_hs = edca_bt_hs_downlink;
			bt_change_edca = true;
		}
	}

	if (bt_change_edca)
		rtl_write_dword(rtlpriv, edca_addr, edca_hs);

	return true;
}

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bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
{
	/* It seems 'bt_disabled' is never be initialized or set. */
	if (gl_bt_coexist.bt_info.bt_disabled)
		return true;
	else
		return false;
}

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void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type)
{
	return exhalbtc_special_packet_notify(&gl_bt_coexist, pkt_type);
}

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struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
{
	return &rtl_btc_operation;
}
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EXPORT_SYMBOL(rtl_btc_get_ops_pointer);




enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	enum rt_media_status    m_status = RT_MEDIA_DISCONNECT;

	u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;

	if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
		m_status = RT_MEDIA_CONNECT;

	return m_status;
}

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u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
{
	return rtlpriv->btcoexist.btc_info.btcoexist;
}

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MODULE_AUTHOR("Page He        <page_he@realsil.com.cn>");
MODULE_AUTHOR("Realtek WlanFAE        <wlanfae@realtek.com>");
MODULE_AUTHOR("Larry Finger   <Larry.FInger@lwfinger.net>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");



static int __init rtl_btcoexist_module_init(void)
{
	return 0;
}

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static void __exit rtl_btcoexist_module_exit(void)
{
	return;
}

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module_init(rtl_btcoexist_module_init);

module_exit(rtl_btcoexist_module_exit);
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Total 1024 100.00% 12 100.00%
Directory: drivers/net/wireless/realtek/rtlwifi/btcoexist

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
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Release 4.15 drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c

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