forked from Minki/linux
ff86843dfb
Add support to FM WLAN coexistence (STA only). Some WiFi harmonics may interfere with FM operation, to avoid this problem special coexistence techniques are activated around some FM frequencies. Signed-off-by: Shahar Levi <shahar_levi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
677 lines
14 KiB
C
677 lines
14 KiB
C
/*
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* This file is part of wl1271
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*
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* Copyright (C) 2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include "init.h"
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#include "wl12xx_80211.h"
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#include "acx.h"
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#include "cmd.h"
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#include "reg.h"
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#include "tx.h"
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#include "io.h"
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int wl1271_sta_init_templates_config(struct wl1271 *wl)
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{
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int ret, i;
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/* send empty templates for fw memory reservation */
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
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WL1271_CMD_TEMPL_MAX_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
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NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
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WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
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sizeof(struct wl12xx_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
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sizeof(struct wl12xx_ps_poll_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
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sizeof
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(struct wl12xx_qos_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
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sizeof
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(struct wl12xx_probe_resp_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
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sizeof
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(struct wl12xx_beacon_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
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sizeof
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(struct wl12xx_arp_rsp_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
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WL1271_CMD_TEMPL_MAX_SIZE, i,
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WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
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{
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struct wl12xx_disconn_template *tmpl;
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int ret;
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tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
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if (!tmpl) {
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ret = -ENOMEM;
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goto out;
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}
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tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
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IEEE80211_STYPE_DEAUTH);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
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tmpl, sizeof(*tmpl), 0,
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wl1271_tx_min_rate_get(wl));
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out:
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kfree(tmpl);
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return ret;
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}
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static int wl1271_ap_init_null_template(struct wl1271 *wl)
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{
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struct ieee80211_hdr_3addr *nullfunc;
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int ret;
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nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
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if (!nullfunc) {
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ret = -ENOMEM;
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goto out;
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}
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nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
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IEEE80211_STYPE_NULLFUNC |
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IEEE80211_FCTL_FROMDS);
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/* nullfunc->addr1 is filled by FW */
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memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
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memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
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sizeof(*nullfunc), 0,
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wl1271_tx_min_rate_get(wl));
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out:
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kfree(nullfunc);
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return ret;
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}
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static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
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{
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struct ieee80211_qos_hdr *qosnull;
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int ret;
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qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
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if (!qosnull) {
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ret = -ENOMEM;
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goto out;
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}
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qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
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IEEE80211_STYPE_QOS_NULLFUNC |
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IEEE80211_FCTL_FROMDS);
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/* qosnull->addr1 is filled by FW */
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memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
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memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
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sizeof(*qosnull), 0,
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wl1271_tx_min_rate_get(wl));
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out:
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kfree(qosnull);
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return ret;
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}
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static int wl1271_ap_init_templates_config(struct wl1271 *wl)
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{
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int ret;
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/*
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* Put very large empty placeholders for all templates. These
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* reserve memory for later.
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*/
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
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sizeof
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(struct wl12xx_probe_resp_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
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sizeof
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(struct wl12xx_beacon_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
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sizeof
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(struct wl12xx_disconn_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
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sizeof(struct wl12xx_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
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sizeof
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(struct wl12xx_qos_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
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{
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int ret;
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ret = wl1271_acx_rx_msdu_life_time(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_rx_config(wl, config, filter);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_init_phy_config(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_pd_threshold(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_service_period_timeout(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_init_beacon_filter(struct wl1271 *wl)
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{
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int ret;
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/* disable beacon filtering at this stage */
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ret = wl1271_acx_beacon_filter_opt(wl, false);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_beacon_filter_table(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_init_pta(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_sg_cfg(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_init_energy_detection(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_cca_threshold(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_bcn_dtim_options(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_sta_hw_init(struct wl1271 *wl)
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{
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int ret;
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if (wl->chip.id != CHIP_ID_1283_PG20) {
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ret = wl1271_cmd_ext_radio_parms(wl);
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if (ret < 0)
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return ret;
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}
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/* PS config */
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ret = wl1271_acx_config_ps(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_sta_init_templates_config(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
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if (ret < 0)
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return ret;
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/* Initialize connection monitoring thresholds */
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ret = wl1271_acx_conn_monit_params(wl, false);
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if (ret < 0)
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return ret;
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/* Beacon filtering */
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ret = wl1271_init_beacon_filter(wl);
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if (ret < 0)
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return ret;
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/* Bluetooth WLAN coexistence */
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ret = wl1271_init_pta(wl);
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if (ret < 0)
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return ret;
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/* FM WLAN coexistence */
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ret = wl1271_acx_fm_coex(wl);
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if (ret < 0)
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return ret;
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/* Beacons and broadcast settings */
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ret = wl1271_init_beacon_broadcast(wl);
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if (ret < 0)
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return ret;
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/* Configure for ELP power saving */
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ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
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if (ret < 0)
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return ret;
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/* Configure rssi/snr averaging weights */
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ret = wl1271_acx_rssi_snr_avg_weights(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_sta_rate_policies(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_sta_max_tx_retry(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_sta_mem_cfg(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl)
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{
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int ret, i;
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ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key);
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if (ret < 0) {
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wl1271_warning("couldn't set default key");
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return ret;
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}
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/* disable all keep-alive templates */
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for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
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ret = wl1271_acx_keep_alive_config(wl, i,
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ACX_KEEP_ALIVE_TPL_INVALID);
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if (ret < 0)
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return ret;
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}
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/* disable the keep-alive feature */
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ret = wl1271_acx_keep_alive_mode(wl, false);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_ap_hw_init(struct wl1271 *wl)
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{
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int ret, i;
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ret = wl1271_ap_init_templates_config(wl);
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if (ret < 0)
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return ret;
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/* Configure for power always on */
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ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
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if (ret < 0)
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return ret;
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/* Configure initial TX rate classes */
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for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
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ret = wl1271_acx_ap_rate_policy(wl,
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&wl->conf.tx.ap_rc_conf[i], i);
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if (ret < 0)
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return ret;
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}
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ret = wl1271_acx_ap_rate_policy(wl,
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&wl->conf.tx.ap_mgmt_conf,
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ACX_TX_AP_MODE_MGMT_RATE);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_ap_rate_policy(wl,
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&wl->conf.tx.ap_bcst_conf,
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ACX_TX_AP_MODE_BCST_RATE);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_ap_max_tx_retry(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_ap_mem_cfg(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_ap_init_deauth_template(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_ap_init_null_template(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_ap_init_qos_null_template(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static void wl1271_check_ba_support(struct wl1271 *wl)
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{
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/* validate FW cose ver x.x.x.50-60.x */
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if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) &&
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(wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) {
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wl->ba_support = true;
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return;
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}
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wl->ba_support = false;
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}
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static int wl1271_set_ba_policies(struct wl1271 *wl)
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{
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u8 tid_index;
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int ret = 0;
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/* Reset the BA RX indicators */
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wl->ba_rx_bitmap = 0;
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/* validate that FW support BA */
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wl1271_check_ba_support(wl);
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if (wl->ba_support)
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/* 802.11n initiator BA session setting */
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for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT;
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++tid_index) {
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ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR,
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tid_index, true);
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if (ret < 0)
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break;
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}
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return ret;
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}
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int wl1271_chip_specific_init(struct wl1271 *wl)
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{
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int ret = 0;
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if (wl->chip.id == CHIP_ID_1283_PG20) {
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u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
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if (wl->quirks & WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT)
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/* Enable SDIO padding */
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host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
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/* Must be before wl1271_acx_init_mem_config() */
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ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap);
|
|
if (ret < 0)
|
|
goto out;
|
|
}
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
|
|
int wl1271_hw_init(struct wl1271 *wl)
|
|
{
|
|
struct conf_tx_ac_category *conf_ac;
|
|
struct conf_tx_tid *conf_tid;
|
|
int ret, i;
|
|
bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
|
|
|
|
if (wl->chip.id == CHIP_ID_1283_PG20)
|
|
ret = wl128x_cmd_general_parms(wl);
|
|
else
|
|
ret = wl1271_cmd_general_parms(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (wl->chip.id == CHIP_ID_1283_PG20)
|
|
ret = wl128x_cmd_radio_parms(wl);
|
|
else
|
|
ret = wl1271_cmd_radio_parms(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Chip-specific init */
|
|
ret = wl1271_chip_specific_init(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Mode specific init */
|
|
if (is_ap)
|
|
ret = wl1271_ap_hw_init(wl);
|
|
else
|
|
ret = wl1271_sta_hw_init(wl);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Default memory configuration */
|
|
ret = wl1271_acx_init_mem_config(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* RX config */
|
|
ret = wl1271_init_rx_config(wl,
|
|
RX_CFG_PROMISCUOUS | RX_CFG_TSF,
|
|
RX_FILTER_OPTION_DEF);
|
|
/* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
|
|
RX_FILTER_OPTION_FILTER_ALL); */
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* PHY layer config */
|
|
ret = wl1271_init_phy_config(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
ret = wl1271_acx_dco_itrim_params(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Configure TX patch complete interrupt behavior */
|
|
ret = wl1271_acx_tx_config_options(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* RX complete interrupt pacing */
|
|
ret = wl1271_acx_init_rx_interrupt(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Energy detection */
|
|
ret = wl1271_init_energy_detection(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Default fragmentation threshold */
|
|
ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Default TID/AC configuration */
|
|
BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
|
|
for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
|
|
conf_ac = &wl->conf.tx.ac_conf[i];
|
|
ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
|
|
conf_ac->cw_max, conf_ac->aifsn,
|
|
conf_ac->tx_op_limit);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
conf_tid = &wl->conf.tx.tid_conf[i];
|
|
ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
|
|
conf_tid->channel_type,
|
|
conf_tid->tsid,
|
|
conf_tid->ps_scheme,
|
|
conf_tid->ack_policy,
|
|
conf_tid->apsd_conf[0],
|
|
conf_tid->apsd_conf[1]);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
}
|
|
|
|
/* Enable data path */
|
|
ret = wl1271_cmd_data_path(wl, 1);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Configure HW encryption */
|
|
ret = wl1271_acx_feature_cfg(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* configure PM */
|
|
ret = wl1271_acx_pm_config(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Mode specific init - post mem init */
|
|
if (is_ap)
|
|
ret = wl1271_ap_hw_init_post_mem(wl);
|
|
else
|
|
ret = wl1271_sta_hw_init_post_mem(wl);
|
|
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Configure initiator BA sessions policies */
|
|
ret = wl1271_set_ba_policies(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
return 0;
|
|
|
|
out_free_memmap:
|
|
kfree(wl->target_mem_map);
|
|
wl->target_mem_map = NULL;
|
|
|
|
return ret;
|
|
}
|