1 files changed, 961 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
new file mode 100644
index 000000000000..f622a4092615
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -0,0 +1,961 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include "wl1271_acx.h"
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/crc7.h>
+#include <linux/spi/spi.h>
+
+#include "wl1271.h"
+#include "wl12xx_80211.h"
+#include "wl1271_reg.h"
+#include "wl1271_spi.h"
+#include "wl1271_ps.h"
+
+int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
+				  u8 listen_interval)
+{
+	struct acx_wake_up_condition *wake_up;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx wake up conditions");
+
+	wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
+	if (!wake_up) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	wake_up->wake_up_event = wake_up_event;
+	wake_up->listen_interval = listen_interval;
+
+	ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
+				   wake_up, sizeof(*wake_up));
+	if (ret < 0) {
+		wl1271_warning("could not set wake up conditions: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(wake_up);
+	return ret;
+}
+
+int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
+{
+	struct acx_sleep_auth *auth;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx sleep auth");
+
+	auth = kzalloc(sizeof(*auth), GFP_KERNEL);
+	if (!auth) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	auth->sleep_auth = sleep_auth;
+
+	ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
+	if (ret < 0)
+		return ret;
+
+out:
+	kfree(auth);
+	return ret;
+}
+
+int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len)
+{
+	struct acx_revision *rev;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx fw rev");
+
+	rev = kzalloc(sizeof(*rev), GFP_KERNEL);
+	if (!rev) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = wl1271_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev));
+	if (ret < 0) {
+		wl1271_warning("ACX_FW_REV interrogate failed");
+		goto out;
+	}
+
+	/* be careful with the buffer sizes */
+	strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version)));
+
+	/*
+	 * if the firmware version string is exactly
+	 * sizeof(rev->fw_version) long or fw_len is less than
+	 * sizeof(rev->fw_version) it won't be null terminated
+	 */
+	buf[min(len, sizeof(rev->fw_version)) - 1] = '\0';
+
+out:
+	kfree(rev);
+	return ret;
+}
+
+int wl1271_acx_tx_power(struct wl1271 *wl, int power)
+{
+	struct acx_current_tx_power *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
+
+	if (power < 0 || power > 25)
+		return -EINVAL;
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->current_tx_power = power * 10;
+
+	ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("configure of tx power failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_feature_cfg(struct wl1271 *wl)
+{
+	struct acx_feature_config *feature;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx feature cfg");
+
+	feature = kzalloc(sizeof(*feature), GFP_KERNEL);
+	if (!feature) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
+	feature->data_flow_options = 0;
+	feature->options = 0;
+
+	ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
+				   feature, sizeof(*feature));
+	if (ret < 0) {
+		wl1271_error("Couldnt set HW encryption");
+		goto out;
+	}
+
+out:
+	kfree(feature);
+	return ret;
+}
+
+int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
+		       size_t len)
+{
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx mem map");
+
+	ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time)
+{
+	struct acx_rx_msdu_lifetime *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->lifetime = life_time;
+	ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("failed to set rx msdu life time: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter)
+{
+	struct acx_rx_config *rx_config;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx rx config");
+
+	rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL);
+	if (!rx_config) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	rx_config->config_options = config;
+	rx_config->filter_options = filter;
+
+	ret = wl1271_cmd_configure(wl, ACX_RX_CFG,
+				   rx_config, sizeof(*rx_config));
+	if (ret < 0) {
+		wl1271_warning("failed to set rx config: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(rx_config);
+	return ret;
+}
+
+int wl1271_acx_pd_threshold(struct wl1271 *wl)
+{
+	struct acx_packet_detection *pd;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx data pd threshold");
+
+	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+	if (!pd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* FIXME: threshold value not set */
+
+	ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
+	if (ret < 0) {
+		wl1271_warning("failed to set pd threshold: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(pd);
+	return 0;
+}
+
+int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time)
+{
+	struct acx_slot *slot;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx slot");
+
+	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
+	if (!slot) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	slot->wone_index = STATION_WONE_INDEX;
+	slot->slot_time = slot_time;
+
+	ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
+	if (ret < 0) {
+		wl1271_warning("failed to set slot time: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(slot);
+	return ret;
+}
+
+int wl1271_acx_group_address_tbl(struct wl1271 *wl)
+{
+	struct acx_dot11_grp_addr_tbl *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx group address tbl");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* MAC filtering */
+	acx->enabled = 0;
+	acx->num_groups = 0;
+	memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN);
+
+	ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("failed to set group addr table: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_service_period_timeout(struct wl1271 *wl)
+{
+	struct acx_rx_timeout *rx_timeout;
+	int ret;
+
+	rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
+	if (!rx_timeout) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	wl1271_debug(DEBUG_ACX, "acx service period timeout");
+
+	rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF;
+	rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF;
+
+	ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
+				   rx_timeout, sizeof(*rx_timeout));
+	if (ret < 0) {
+		wl1271_warning("failed to set service period timeout: %d",
+			       ret);
+		goto out;
+	}
+
+out:
+	kfree(rx_timeout);
+	return ret;
+}
+
+int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold)
+{
+	struct acx_rts_threshold *rts;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx rts threshold");
+
+	rts = kzalloc(sizeof(*rts), GFP_KERNEL);
+	if (!rts) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	rts->threshold = rts_threshold;
+
+	ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
+	if (ret < 0) {
+		wl1271_warning("failed to set rts threshold: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(rts);
+	return ret;
+}
+
+int wl1271_acx_beacon_filter_opt(struct wl1271 *wl)
+{
+	struct acx_beacon_filter_option *beacon_filter;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx beacon filter opt");
+
+	beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
+	if (!beacon_filter) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	beacon_filter->enable = 0;
+	beacon_filter->max_num_beacons = 0;
+
+	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
+				   beacon_filter, sizeof(*beacon_filter));
+	if (ret < 0) {
+		wl1271_warning("failed to set beacon filter opt: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(beacon_filter);
+	return ret;
+}
+
+int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
+{
+	struct acx_beacon_filter_ie_table *ie_table;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx beacon filter table");
+
+	ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
+	if (!ie_table) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ie_table->num_ie = 0;
+	memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE);
+
+	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
+				   ie_table, sizeof(*ie_table));
+	if (ret < 0) {
+		wl1271_warning("failed to set beacon filter table: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(ie_table);
+	return ret;
+}
+
+int wl1271_acx_sg_enable(struct wl1271 *wl)
+{
+	struct acx_bt_wlan_coex *pta;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx sg enable");
+
+	pta = kzalloc(sizeof(*pta), GFP_KERNEL);
+	if (!pta) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	pta->enable = SG_ENABLE;
+
+	ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
+	if (ret < 0) {
+		wl1271_warning("failed to set softgemini enable: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(pta);
+	return ret;
+}
+
+int wl1271_acx_sg_cfg(struct wl1271 *wl)
+{
+	struct acx_bt_wlan_coex_param *param;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx sg cfg");
+
+	param = kzalloc(sizeof(*param), GFP_KERNEL);
+	if (!param) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* BT-WLAN coext parameters */
+	param->min_rate = RATE_INDEX_24MBPS;
+	param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
+	param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
+	param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
+	param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
+	param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
+	param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
+	param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
+	param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
+	param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
+	param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
+	param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
+	param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
+	param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
+	param->antenna_type = PTA_ANTENNA_TYPE_DEF;
+	param->signal_type = PTA_SIGNALING_TYPE_DEF;
+	param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
+	param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
+	param->max_cts = PTA_MAX_NUM_CTS_DEF;
+	param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
+	param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
+	param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
+	param->wlan_elp_hp = PTA_ELP_HP_DEF;
+	param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
+	param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
+	param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
+	param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
+	param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;
+
+	ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
+	if (ret < 0) {
+		wl1271_warning("failed to set sg config: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(param);
+	return ret;
+}
+
+int wl1271_acx_cca_threshold(struct wl1271 *wl)
+{
+	struct acx_energy_detection *detection;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx cca threshold");
+
+	detection = kzalloc(sizeof(*detection), GFP_KERNEL);
+	if (!detection) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
+	detection->tx_energy_detection = 0;
+
+	ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
+				   detection, sizeof(*detection));
+	if (ret < 0) {
+		wl1271_warning("failed to set cca threshold: %d", ret);
+		return ret;
+	}
+
+out:
+	kfree(detection);
+	return ret;
+}
+
+int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
+{
+	struct acx_beacon_broadcast *bb;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
+
+	bb = kzalloc(sizeof(*bb), GFP_KERNEL);
+	if (!bb) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
+	bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
+	bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
+	bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;
+
+	ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
+	if (ret < 0) {
+		wl1271_warning("failed to set rx config: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(bb);
+	return ret;
+}
+
+int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
+{
+	struct acx_aid *acx_aid;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx aid");
+
+	acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
+	if (!acx_aid) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx_aid->aid = aid;
+
+	ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
+	if (ret < 0) {
+		wl1271_warning("failed to set aid: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx_aid);
+	return ret;
+}
+
+int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
+{
+	struct acx_event_mask *mask;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx event mbox mask");
+
+	mask = kzalloc(sizeof(*mask), GFP_KERNEL);
+	if (!mask) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* high event mask is unused */
+	mask->high_event_mask = 0xffffffff;
+
+	mask->event_mask = event_mask;
+
+	ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
+				   mask, sizeof(*mask));
+	if (ret < 0) {
+		wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(mask);
+	return ret;
+}
+
+int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble)
+{
+	struct acx_preamble *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx_set_preamble");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->preamble = preamble;
+
+	ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("Setting of preamble failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_cts_protect(struct wl1271 *wl,
+			   enum acx_ctsprotect_type ctsprotect)
+{
+	struct acx_ctsprotect *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->ctsprotect = ctsprotect;
+
+	ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("Setting of ctsprotect failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
+{
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx statistics");
+
+	ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
+				     sizeof(*stats));
+	if (ret < 0) {
+		wl1271_warning("acx statistics failed: %d", ret);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+int wl1271_acx_rate_policies(struct wl1271 *wl)
+{
+	struct acx_rate_policy *acx;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx rate policies");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* configure one default (one-size-fits-all) rate class */
+	acx->rate_class_cnt = 1;
+	acx->rate_class[0].enabled_rates = ACX_RATE_MASK_ALL;
+	acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
+	acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
+	acx->rate_class[0].aflags = 0;
+
+	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("Setting of rate policies failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_ac_cfg(struct wl1271 *wl)
+{
+	struct acx_ac_cfg *acx;
+	int i, ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx access category config");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/*
+	 * FIXME: Configure each AC with appropriate values (most suitable
+	 * values will probably be different for each AC.
+	 */
+	for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
+		acx->ac = i;
+
+		/*
+		 * FIXME: The following default values originate from
+		 * the TI reference driver. What do they mean?
+		 */
+		acx->cw_min = 15;
+		acx->cw_max = 63;
+		acx->aifsn = 3;
+		acx->reserved = 0;
+		acx->tx_op_limit = 0;
+
+		ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
+		if (ret < 0) {
+			wl1271_warning("Setting of access category "
+				       "config: %d", ret);
+			goto out;
+		}
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_tid_cfg(struct wl1271 *wl)
+{
+	struct acx_tid_config *acx;
+	int i, ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx tid config");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* FIXME: configure each TID with a different AC reference */
+	for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
+		acx->queue_id = i;
+		acx->tsid = WL1271_ACX_AC_BE;
+		acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
+		acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
+
+		ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
+		if (ret < 0) {
+			wl1271_warning("Setting of tid config failed: %d", ret);
+			goto out;
+		}
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_frag_threshold(struct wl1271 *wl)
+{
+	struct acx_frag_threshold *acx;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx frag threshold");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+	ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("Setting of frag threshold failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_tx_config_options(struct wl1271 *wl)
+{
+	struct acx_tx_config_options *acx;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx tx config options");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
+	acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
+	ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("Setting of tx options failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_mem_cfg(struct wl1271 *wl)
+{
+	struct wl1271_acx_config_memory *mem_conf;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
+
+	mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
+	if (!mem_conf) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* memory config */
+	mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
+	mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
+	mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
+	mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
+	mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS;
+
+	ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
+				   sizeof(*mem_conf));
+	if (ret < 0) {
+		wl1271_warning("wl1271 mem config failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(mem_conf);
+	return ret;
+}
+
+int wl1271_acx_init_mem_config(struct wl1271 *wl)
+{
+	int ret;
+
+	ret = wl1271_acx_mem_cfg(wl);
+	if (ret < 0)
+		return ret;
+
+	wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
+					  GFP_KERNEL);
+	if (!wl->target_mem_map) {
+		wl1271_error("couldn't allocate target memory map");
+		return -ENOMEM;
+	}
+
+	/* we now ask for the firmware built memory map */
+	ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
+				 sizeof(struct wl1271_acx_mem_map));
+	if (ret < 0) {
+		wl1271_error("couldn't retrieve firmware memory map");
+		kfree(wl->target_mem_map);
+		wl->target_mem_map = NULL;
+		return ret;
+	}
+
+	/* initialize TX block book keeping */
+	wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks;
+	wl1271_debug(DEBUG_TX, "available tx blocks: %d",
+		     wl->tx_blocks_available);
+
+	return 0;
+}
+
+int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
+{
+	struct wl1271_acx_rx_config_opt *rx_conf;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
+
+	rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
+	if (!rx_conf) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF;
+	rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF;
+	rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */
+	rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY;
+
+	ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
+				   sizeof(*rx_conf));
+	if (ret < 0) {
+		wl1271_warning("wl1271 rx config opt failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(rx_conf);
+	return ret;
+}