source: src/router/services/sysinit/devices/wireless.c @ 17396

/*
 * wireless.c
 *
 * Copyright (C) 2009 Sebastian Gottschall <gottschall@dd-wrt.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id:
 * 
 * detects atheros wireless adapters and loads the drivers
 */

// extern int getath9kdevicecount(void);
extern void delete_ath9k_devices(char *physical_iface);

static void setWirelessLed(int phynum, int ledpin)
{
#ifdef HAVE_MADWIFI_MIMO
        int triggergpio = ledpin;
#endif
#ifdef HAVE_ATH9K
        char trigger[32];
        char sysname[32];
        sprintf(trigger, "phy%dtpt", phynum);
        if (ledpin < 32) {
                sprintf(sysname, "generic_%d", ledpin);
        } else {
#ifdef HAVE_MADWIFI_MIMO
                if (ledpin < 48)
                        triggergpio = ledpin - 32;
                else
                        triggergpio = ledpin - 48;
#endif
                sprintf(sysname, "wireless_generic_%d", ledpin - 32);
        }
        sysprintf("echo %s > /sys/devices/platform/leds-gpio/leds/%s/trigger",
                  trigger, sysname);
#else
#ifdef HAVE_MADWIFI_MIMO
        if (ledpin >= 32) {
                if (ledpin < 48)
                        triggergpio = ledpin - 32;
                else
                        triggergpio = ledpin - 48;
        }
#endif
#endif
#ifdef HAVE_MADWIFI_MIMO
        sysprintf("echo %d >/proc/sys/dev/wifi%d/ledpin", triggergpio, phynum);
        sysprintf("echo 1 >/proc/sys/dev/wifi%d/softled", phynum);
#endif
}

#define setWirelessLedGeneric(a,b) setWirelessLed(a,b)
#define setWirelessLedPhy0(b) setWirelessLed(0,b+32)
#define setWirelessLedPhy1(b) setWirelessLed(1,b+48)

static void detect_wireless_devices(void)
{
#ifdef HAVE_RT61
        FILE *fp = fopen("/sys/bus/pci/devices/0000:00:0e.0/device", "rb");
        if (fp) {
                char str[32];
                fscanf(fp, "%s", str);
                fclose(fp);
                if (!strcmp(str, "0x3592"))
                        nvram_set("rtchip", "3062");
                else
                        nvram_set("rtchip", "2860");
        } else
                nvram_set("rtchip", "2860");

#endif
#ifndef HAVE_NOWIFI
        nvram_default_get("rate_control", "minstrel");
#ifdef HAVE_MADWIFI
        fprintf(stderr, "load ATH 802.11 a/b/g Driver\n");
        insmod("ath_hal");
        if (nvram_get("rate_control") != NULL) {
                char rate[64];

                sprintf(rate, "ratectl=%s", nvram_safe_get("rate_control"));
                eval("insmod", "ath_pci", rate);
                eval("insmod", "ath_ahb", rate);
        } else {
                insmod("ath_pci");
                insmod("ath_ahb");
        }
#ifdef HAVE_ATH9K
#ifndef HAVE_MADWIFI_MIMO
        if (1)
#else
        if (nvram_match("mimo_driver", "ath9k"))
#endif
        {
                fprintf(stderr, "load ATH9K 802.11n Driver\n");
                // some are just for future use and not (yet) there
                insmod("/lib/ath9k/compat.ko");
                insmod("/lib/ath9k/compat_firmware_class.ko");
                insmod("/lib/ath9k/cfg80211.ko");
                insmod("/lib/ath9k/mac80211.ko");
                insmod("/lib/ath9k/ath.ko");
                insmod("/lib/ath9k/ath9k_hw.ko");
                insmod("/lib/ath9k/ath9k_common.ko");
#ifdef HAVE_WZRG450
                system("/sbin/insmod /lib/ath9k/ath9k.ko blink=1");
#else
                insmod("/lib/ath9k/ath9k.ko");
#endif
                delete_ath9k_devices(NULL);
        } else {
#endif
#ifdef HAVE_MADWIFI_MIMO
                fprintf(stderr, "load ATH 802.11n Driver\n");
                insmod("/lib/80211n/ath_mimo_hal.ko");
                if (nvram_get("rate_control") != NULL) {
                        char rate[64];

                        sprintf(rate, "ratectl=%s",
                                nvram_safe_get("rate_control"));
                        insmod("/lib/80211n/ath_mimo_pci.ko");
                        insmod("/lib/80211n/ath_mimo_ahb.ko");
                } else {
                        insmod("/lib/80211n/ath_mimo_pci.ko");
                        insmod("/lib/80211n/ath_mimo_ahb.ko");
                }
#endif
#ifdef HAVE_ATH9K
        }
#endif
#endif
#endif
}