/*
 * This file is part of wl18xx
 *
 * Copyright (C) 2011 Texas Instruments Inc.
 *
 * 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 "../wlcore/cmd.h"
#include "../wlcore/debug.h"
#include "../wlcore/acx.h"

#include "acx.h"

int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
                                  u32 sdio_blk_size, u32 extra_mem_blks,
                                  u32 len_field_size)
{
        struct wl18xx_acx_host_config_bitmap *bitmap_conf;
        int ret;

        wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d",
                     host_cfg_bitmap, sdio_blk_size, extra_mem_blks,
                     len_field_size);

        bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL);
        if (!bitmap_conf) {
                ret = -ENOMEM;
                goto out;
        }

        bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap);
        bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size);
        bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks);
        bitmap_conf->length_field_size = cpu_to_le32(len_field_size);

        ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP,
                                   bitmap_conf, sizeof(*bitmap_conf));
        if (ret < 0) {
                wl1271_warning("wl1271 bitmap config opt failed: %d", ret);
                goto out;
        }

out:
        kfree(bitmap_conf);

        return ret;
}

int wl18xx_acx_set_checksum_state(struct wl1271 *wl)
{
        struct wl18xx_acx_checksum_state *acx;
        int ret;

        wl1271_debug(DEBUG_ACX, "acx checksum state");

        acx = kzalloc(sizeof(*acx), GFP_KERNEL);
        if (!acx) {
                ret = -ENOMEM;
                goto out;
        }

        acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED;

        ret = wl1271_cmd_configure(wl, ACX_CSUM_CONFIG, acx, sizeof(*acx));
        if (ret < 0) {
                wl1271_warning("failed to set Tx checksum state: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl18xx_acx_clear_statistics(struct wl1271 *wl)
{
        struct wl18xx_acx_clear_statistics *acx;
        int ret = 0;

        wl1271_debug(DEBUG_ACX, "acx clear statistics");

        acx = kzalloc(sizeof(*acx), GFP_KERNEL);
        if (!acx) {
                ret = -ENOMEM;
                goto out;
        }

        ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx));
        if (ret < 0) {
                wl1271_warning("failed to clear firmware statistics: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl18xx_acx_peer_ht_operation_mode(struct wl1271 *wl, u8 hlid, bool wide)
{
        struct wlcore_peer_ht_operation_mode *acx;
        int ret;

        wl1271_debug(DEBUG_ACX, "acx peer ht operation mode hlid %d bw %d",
                     hlid, wide);

        acx = kzalloc(sizeof(*acx), GFP_KERNEL);
        if (!acx) {
                ret = -ENOMEM;
                goto out;
        }

        acx->hlid = hlid;
        acx->bandwidth = wide ? WLCORE_BANDWIDTH_40MHZ : WLCORE_BANDWIDTH_20MHZ;

        ret = wl1271_cmd_configure(wl, ACX_PEER_HT_OPERATION_MODE_CFG, acx,
                                   sizeof(*acx));

        if (ret < 0) {
                wl1271_warning("acx peer ht operation mode failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;

}

/*
 * this command is basically the same as wl1271_acx_ht_capabilities,
 * with the addition of supported rates. they should be unified in
 * the next fw api change
 */
int wl18xx_acx_set_peer_cap(struct wl1271 *wl,
                            struct ieee80211_sta_ht_cap *ht_cap,
                            bool allow_ht_operation,
                            u32 rate_set, u8 hlid)
{
        struct wlcore_acx_peer_cap *acx;
        int ret = 0;
        u32 ht_capabilites = 0;

        wl1271_debug(DEBUG_ACX,
                     "acx set cap ht_supp: %d ht_cap: %d rates: 0x%x",
                     ht_cap->ht_supported, ht_cap->cap, rate_set);

        acx = kzalloc(sizeof(*acx), GFP_KERNEL);
        if (!acx) {
                ret = -ENOMEM;
                goto out;
        }

        if (allow_ht_operation && ht_cap->ht_supported) {
                /* no need to translate capabilities - use the spec values */
                ht_capabilites = ht_cap->cap;

                /*
                 * this bit is not employed by the spec but only by FW to
                 * indicate peer HT support
                 */
                ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION;

                /* get data from A-MPDU parameters field */
                acx->ampdu_max_length = ht_cap->ampdu_factor;
                acx->ampdu_min_spacing = ht_cap->ampdu_density;
        }

        acx->hlid = hlid;
        acx->ht_capabilites = cpu_to_le32(ht_capabilites);
        acx->supported_rates = cpu_to_le32(rate_set);

        ret = wl1271_cmd_configure(wl, ACX_PEER_CAP, acx, sizeof(*acx));
        if (ret < 0) {
                wl1271_warning("acx ht capabilities setting failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}