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