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425 lines
9.0 KiB
425 lines
9.0 KiB
/*
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* This file is part of wl1251
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*
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* Copyright (C) 2009 Nokia Corporation
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*
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* Contact: Kalle Valo <kalle.valo@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 "wl1251_init.h"
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#include "wl12xx_80211.h"
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#include "wl1251_acx.h"
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#include "wl1251_cmd.h"
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#include "wl1251_reg.h"
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int wl1251_hw_init_hwenc_config(struct wl1251 *wl)
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{
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int ret;
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ret = wl1251_acx_feature_cfg(wl);
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if (ret < 0) {
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wl1251_warning("couldn't set feature config");
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return ret;
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}
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ret = wl1251_acx_default_key(wl, wl->default_key);
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if (ret < 0) {
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wl1251_warning("couldn't set default key");
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return ret;
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}
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return 0;
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}
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int wl1251_hw_init_templates_config(struct wl1251 *wl)
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{
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int ret;
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u8 partial_vbm[PARTIAL_VBM_MAX];
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/* send empty templates for fw memory reservation */
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ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL,
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sizeof(struct wl12xx_probe_req_template));
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if (ret < 0)
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return ret;
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ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL,
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sizeof(struct wl12xx_null_data_template));
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if (ret < 0)
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return ret;
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ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL,
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sizeof(struct wl12xx_ps_poll_template));
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if (ret < 0)
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return ret;
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ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL,
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sizeof
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(struct wl12xx_qos_null_data_template));
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if (ret < 0)
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return ret;
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ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL,
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sizeof
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(struct wl12xx_probe_resp_template));
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if (ret < 0)
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return ret;
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ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL,
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sizeof
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(struct wl12xx_beacon_template));
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if (ret < 0)
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return ret;
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/* tim templates, first reserve space then allocate an empty one */
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memset(partial_vbm, 0, PARTIAL_VBM_MAX);
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ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0);
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if (ret < 0)
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return ret;
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ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0);
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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 wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter)
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{
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int ret;
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ret = wl1251_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF);
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if (ret < 0)
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return ret;
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ret = wl1251_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 wl1251_hw_init_phy_config(struct wl1251 *wl)
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{
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int ret;
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ret = wl1251_acx_pd_threshold(wl);
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if (ret < 0)
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return ret;
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ret = wl1251_acx_slot(wl, DEFAULT_SLOT_TIME);
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if (ret < 0)
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return ret;
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ret = wl1251_acx_group_address_tbl(wl);
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if (ret < 0)
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return ret;
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ret = wl1251_acx_service_period_timeout(wl);
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if (ret < 0)
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return ret;
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ret = wl1251_acx_rts_threshold(wl, RTS_THRESHOLD_DEF);
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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 wl1251_hw_init_beacon_filter(struct wl1251 *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 = wl1251_acx_beacon_filter_opt(wl, false);
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if (ret < 0)
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return ret;
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ret = wl1251_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 wl1251_hw_init_pta(struct wl1251 *wl)
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{
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int ret;
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ret = wl1251_acx_sg_enable(wl);
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if (ret < 0)
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return ret;
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ret = wl1251_acx_sg_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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int wl1251_hw_init_energy_detection(struct wl1251 *wl)
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{
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int ret;
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ret = wl1251_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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int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl)
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{
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int ret;
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ret = wl1251_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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int wl1251_hw_init_power_auth(struct wl1251 *wl)
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{
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return wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM);
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}
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int wl1251_hw_init_mem_config(struct wl1251 *wl)
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{
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int ret;
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ret = wl1251_acx_mem_cfg(wl);
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if (ret < 0)
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return ret;
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wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map),
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GFP_KERNEL);
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if (!wl->target_mem_map) {
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wl1251_error("couldn't allocate target memory map");
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return -ENOMEM;
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}
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/* we now ask for the firmware built memory map */
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ret = wl1251_acx_mem_map(wl, wl->target_mem_map,
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sizeof(struct wl1251_acx_mem_map));
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if (ret < 0) {
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wl1251_error("couldn't retrieve firmware memory map");
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kfree(wl->target_mem_map);
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wl->target_mem_map = NULL;
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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 wl1251_hw_init_txq_fill(u8 qid,
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struct acx_tx_queue_qos_config *config,
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u32 num_blocks)
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{
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config->qid = qid;
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switch (qid) {
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case QOS_AC_BE:
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config->high_threshold =
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(QOS_TX_HIGH_BE_DEF * num_blocks) / 100;
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config->low_threshold =
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(QOS_TX_LOW_BE_DEF * num_blocks) / 100;
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break;
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case QOS_AC_BK:
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config->high_threshold =
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(QOS_TX_HIGH_BK_DEF * num_blocks) / 100;
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config->low_threshold =
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(QOS_TX_LOW_BK_DEF * num_blocks) / 100;
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break;
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case QOS_AC_VI:
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config->high_threshold =
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(QOS_TX_HIGH_VI_DEF * num_blocks) / 100;
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config->low_threshold =
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(QOS_TX_LOW_VI_DEF * num_blocks) / 100;
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break;
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case QOS_AC_VO:
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config->high_threshold =
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(QOS_TX_HIGH_VO_DEF * num_blocks) / 100;
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config->low_threshold =
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(QOS_TX_LOW_VO_DEF * num_blocks) / 100;
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break;
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default:
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wl1251_error("Invalid TX queue id: %d", qid);
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return -EINVAL;
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}
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return 0;
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}
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static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl)
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{
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struct acx_tx_queue_qos_config *config;
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struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map;
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int ret, i;
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wl1251_debug(DEBUG_ACX, "acx tx queue config");
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config = kzalloc(sizeof(*config), GFP_KERNEL);
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if (!config) {
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ret = -ENOMEM;
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goto out;
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}
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for (i = 0; i < MAX_NUM_OF_AC; i++) {
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ret = wl1251_hw_init_txq_fill(i, config,
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wl_mem_map->num_tx_mem_blocks);
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if (ret < 0)
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goto out;
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ret = wl1251_cmd_configure(wl, ACX_TX_QUEUE_CFG,
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config, sizeof(*config));
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if (ret < 0)
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goto out;
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}
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wl1251_acx_ac_cfg(wl, AC_BE, CWMIN_BE, CWMAX_BE, AIFS_DIFS, TXOP_BE);
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wl1251_acx_ac_cfg(wl, AC_BK, CWMIN_BK, CWMAX_BK, AIFS_DIFS, TXOP_BK);
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wl1251_acx_ac_cfg(wl, AC_VI, CWMIN_VI, CWMAX_VI, AIFS_DIFS, TXOP_VI);
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wl1251_acx_ac_cfg(wl, AC_VO, CWMIN_VO, CWMAX_VO, AIFS_DIFS, TXOP_VO);
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out:
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kfree(config);
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return ret;
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}
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static int wl1251_hw_init_data_path_config(struct wl1251 *wl)
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{
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int ret;
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/* asking for the data path parameters */
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wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp),
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GFP_KERNEL);
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if (!wl->data_path) {
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wl1251_error("Couldnt allocate data path parameters");
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return -ENOMEM;
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}
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ret = wl1251_acx_data_path_params(wl, wl->data_path);
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if (ret < 0) {
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kfree(wl->data_path);
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wl->data_path = NULL;
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return ret;
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}
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return 0;
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}
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int wl1251_hw_init(struct wl1251 *wl)
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{
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struct wl1251_acx_mem_map *wl_mem_map;
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int ret;
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ret = wl1251_hw_init_hwenc_config(wl);
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if (ret < 0)
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return ret;
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/* Template settings */
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ret = wl1251_hw_init_templates_config(wl);
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if (ret < 0)
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return ret;
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/* Default memory configuration */
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ret = wl1251_hw_init_mem_config(wl);
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if (ret < 0)
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return ret;
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/* Default data path configuration */
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ret = wl1251_hw_init_data_path_config(wl);
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if (ret < 0)
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goto out_free_memmap;
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/* RX config */
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ret = wl1251_hw_init_rx_config(wl,
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RX_CFG_PROMISCUOUS | RX_CFG_TSF,
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RX_FILTER_OPTION_DEF);
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/* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
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RX_FILTER_OPTION_FILTER_ALL); */
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if (ret < 0)
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goto out_free_data_path;
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/* TX queues config */
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ret = wl1251_hw_init_tx_queue_config(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* PHY layer config */
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ret = wl1251_hw_init_phy_config(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* Initialize connection monitoring thresholds */
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ret = wl1251_acx_conn_monit_params(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* Beacon filtering */
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ret = wl1251_hw_init_beacon_filter(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* Bluetooth WLAN coexistence */
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ret = wl1251_hw_init_pta(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* Energy detection */
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ret = wl1251_hw_init_energy_detection(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* Beacons and boradcast settings */
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ret = wl1251_hw_init_beacon_broadcast(wl);
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if (ret < 0)
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goto out_free_data_path;
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/* Enable data path */
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ret = wl1251_cmd_data_path(wl, wl->channel, 1);
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if (ret < 0)
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goto out_free_data_path;
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/* Default power state */
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ret = wl1251_hw_init_power_auth(wl);
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if (ret < 0)
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goto out_free_data_path;
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wl_mem_map = wl->target_mem_map;
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wl1251_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x",
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wl_mem_map->num_tx_mem_blocks,
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wl->data_path->tx_control_addr,
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wl_mem_map->num_rx_mem_blocks,
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wl->data_path->rx_control_addr);
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return 0;
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out_free_data_path:
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kfree(wl->data_path);
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out_free_memmap:
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kfree(wl->target_mem_map);
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return ret;
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}
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