#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <asm/prom.h>
#include <linux/avm_hw_config.h>

#include <asm/mach-fusiv/vx180.h>
#include <asm/hw_gpio.h>

#include "avm_hw_config_hw156.h"
#include "avm_hw_config_hw171.h"


/*------------------------------------------------------------------------------------------*\
 * Für nicht mehr unterstützte Produkte
\*------------------------------------------------------------------------------------------*/
struct _avm_hw_config avm_hardware_config_dummy[] = {
    { .name = NULL }
};
EXPORT_SYMBOL(avm_hardware_config_dummy);


/*------------------------------------------------------------------------------------------*\
\*------------------------------------------------------------------------------------------*/
struct _avm_hw_config_table avm_hw_config_tables[] = {
    { 150, avm_hardware_config_dummy }, /*--- FRITZ!Box Ikanos ---*/
    { 152, avm_hardware_config_dummy }, /*--- Speedport W 722V ---*/
    { 156, avm_hardware_config_hw156 }, /*--- FRITZ!Box Fon WLAN 7390 ---*/
    { 165, avm_hardware_config_dummy }, /*--- FRITZ!Box Fon WLAN 7541 vDSL ---*/
    { 171, avm_hardware_config_hw171 }, /*--- FRITZ!Box Fon WLAN 7340 ---*/
};
EXPORT_SYMBOL(avm_hw_config_tables);


/*------------------------------------------------------------------------------------------*\
\*------------------------------------------------------------------------------------------*/
struct _avm_hw_config *avm_current_hw_config = NULL;
EXPORT_SYMBOL(avm_current_hw_config);

/*------------------------------------------------------------------------------------------*\
\*------------------------------------------------------------------------------------------*/
struct _avm_hw_config *avm_get_hw_config_table(void)
{
    static struct _avm_hw_config *current_config_table = NULL;
    unsigned int hwrev, i;
    char *s;

    if(current_config_table) {
        return current_config_table;
    }

    s = prom_getenv("HWRevision");
    if (s) {
        hwrev = simple_strtoul(s, NULL, 10);
    }     
    if((s == NULL) || (hwrev < 0) || (hwrev > 255)) {
        printk("[%s] error: %s HWRevision detected in environment variables: %s\n", __FUNCTION__, (s ? "invalid" : "no"), s);
        BUG_ON(1);
        return NULL;
    }
    for(i = 0; i < sizeof(avm_hw_config_tables)/sizeof(struct _avm_hw_config_table); i++) {
        if(avm_hw_config_tables[i].hwrev == hwrev) {
            current_config_table = avm_hw_config_tables[i].table;
            return current_config_table;
        }
    }
    printk("[%s] error: No hardware configuration defined for HWRevision %d\n", __FUNCTION__, hwrev);
    BUG_ON(1);
    return NULL;
}
EXPORT_SYMBOL(avm_get_hw_config_table);