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/*
* carl9170 firmware - used by the ar9170 wireless device
*
* Code to handle commands from the host driver.
*
* Copyright (c) 2000-2005 ZyDAS Technology Corporation
* Copyright (c) 2007-2009 Atheros Communications, Inc.
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "carl9170.h"
#include "io.h"
#include "cam.h"
#include "rf.h"
#include "printf.h"
#include "timer.h"
#include "wl.h"
#include "wol.h"
void handle_cmd(struct carl9170_rsp *resp)
{
struct carl9170_cmd *cmd = &dma_mem.reserved.cmd.cmd;
unsigned int i;
/* copies cmd, len and extra fields */
resp->hdr.len = cmd->hdr.len;
resp->hdr.cmd = cmd->hdr.cmd;
resp->hdr.ext = cmd->hdr.ext;
resp->hdr.seq |= cmd->hdr.seq;
switch (cmd->hdr.cmd & ~CARL9170_CMD_ASYNC_FLAG) {
case CARL9170_CMD_RREG:
for (i = 0; i < (cmd->hdr.len / 4); i++)
resp->rreg_res.vals[i] = get(cmd->rreg.regs[i]);
break;
case CARL9170_CMD_WREG:
resp->hdr.len = 0;
for (i = 0; i < (cmd->hdr.len / 8); i++)
set(cmd->wreg.regs[i].addr, cmd->wreg.regs[i].val);
break;
case CARL9170_CMD_ECHO:
memcpy(resp->echo.vals, cmd->echo.vals, cmd->hdr.len);
break;
case CARL9170_CMD_SWRST:
#ifdef CONFIG_CARL9170FW_FW_MAC_RESET
/*
* Command has no payload, so the response
* has no payload either.
* resp->hdr.len = 0;
*/
fw.wlan.mac_reset = CARL9170_MAC_RESET_FORCE;
#endif /* CONFIG_CARL9170FW_FW_MAC_RESET */
break;
case CARL9170_CMD_REBOOT:
/*
* resp->len = 0;
*/
fw.reboot = 1;
break;
case CARL9170_CMD_READ_TSF:
resp->hdr.len = 8;
read_tsf((uint32_t *)resp->tsf.tsf);
break;
case CARL9170_CMD_RX_FILTER:
resp->hdr.len = 0;
fw.wlan.rx_filter = cmd->rx_filter.rx_filter;
break;
case CARL9170_CMD_WOL:
wol_cmd(&cmd->wol);
break;
case CARL9170_CMD_TALLY:
resp->hdr.len = sizeof(struct carl9170_tally_rsp);
memcpy(&resp->tally, &fw.tally, sizeof(struct carl9170_tally_rsp));
resp->tally.tick = fw.ticks_per_usec;
memset(&fw.tally, 0, sizeof(struct carl9170_tally_rsp));
break;
#ifdef CONFIG_CARL9170FW_CAB_QUEUE
case CARL9170_CMD_BCN_CTRL:
resp->hdr.len = 0;
if (cmd->bcn_ctrl.mode & CARL9170_BCN_CTRL_CAB_TRIGGER) {
wlan_modify_beacon(cmd->bcn_ctrl.vif_id,
cmd->bcn_ctrl.bcn_addr, cmd->bcn_ctrl.bcn_len);
set(AR9170_MAC_REG_BCN_ADDR, cmd->bcn_ctrl.bcn_addr);
set(AR9170_MAC_REG_BCN_LENGTH, cmd->bcn_ctrl.bcn_len);
set(AR9170_MAC_REG_BCN_CTRL, AR9170_BCN_CTRL_READY);
} else {
wlan_cab_flush_queue(cmd->bcn_ctrl.vif_id);
fw.wlan.cab_flush_trigger[cmd->bcn_ctrl.vif_id] = CARL9170_CAB_TRIGGER_EMPTY;
}
break;
#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
#ifdef CONFIG_CARL9170FW_SECURITY_ENGINE
case CARL9170_CMD_EKEY:
resp->hdr.len = 0;
set_key(&cmd->setkey);
break;
case CARL9170_CMD_DKEY:
resp->hdr.len = 0;
disable_key(&cmd->disablekey);
break;
#endif /* CONFIG_CARL9170FW_SECURITY_ENGINE */
#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
case CARL9170_CMD_FREQUENCY:
case CARL9170_CMD_RF_INIT:
rf_cmd(cmd, resp);
break;
case CARL9170_CMD_FREQ_START:
/*
* resp->hdr.len = 0;
*/
rf_notify_set_channel();
break;
case CARL9170_CMD_PSM:
resp->hdr.len = 0;
fw.phy.psm.state = le32_to_cpu(cmd->psm.state);
rf_psm();
break;
#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
default:
BUG("Unknown command %x\n", cmd->hdr.cmd);
break;
}
}
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