#ifndef _AVM_HW_CONFIG_H_
#define _AVM_HW_CONFIG_H_

#define AVM_HW_CONFIG_VERSION 1

#include <linux/string.h>

#include <linux/avm_hw_config_def.h>

enum _avm_hw_param {
	avm_hw_param_no_param = AVM_DEF_HW_PARAM_NO_PARAM,

	avm_hw_param_gpio_out_active_low = AVM_DEF_HW_PARAM_GPIO_OUT_ACTIVE_LOW,
	avm_hw_param_gpio_out_active_high = AVM_DEF_HW_PARAM_GPIO_OUT_ACTIVE_HIGH,
	avm_hw_param_gpio_in_active_low = AVM_DEF_HW_PARAM_GPIO_IN_ACTIVE_LOW,
	avm_hw_param_gpio_in_active_high = AVM_DEF_HW_PARAM_GPIO_IN_ACTIVE_HIGH,
	avm_hw_param_gpio_out_rgb = AVM_DEF_HW_PARAM_GPIO_OUT_RGB,
	avm_hw_param_gpio_out_rgb_active_low = AVM_DEF_HW_PARAM_GPIO_OUT_RGB_ACTIVE_LOW,
	avm_hw_param_last_param
};

struct _avm_hw_config {
	char *name;
	int value;
	enum _avm_hw_param param;
};

struct _avm_hw_config_table {
	unsigned int hwrev;
	unsigned int hwsubrev;
	struct _avm_hw_config *table;
};

extern struct _avm_hw_config *avm_current_hw_config;

int init_gpio_config(void);

struct _avm_hw_config *avm_get_hw_config_table(void);

/**--------------------------------------------------------------------------------**\
\**--------------------------------------------------------------------------------**/
static inline struct _avm_hw_config *_avm_get_hw_configstruct(const char *name) {
	unsigned i;
	if(!avm_current_hw_config) {
		avm_current_hw_config = avm_get_hw_config_table();
		if(!avm_current_hw_config)
			return NULL;
	}
	for(i = 0; avm_current_hw_config[i].name; i++) {
		if(strcmp(avm_current_hw_config[i].name, name) == 0) {
			return &avm_current_hw_config[i];
		}
	}
	return NULL;
}
/*------------------------------------------------------------------------------------------*\
 * Config-Wert name nicht gefunden:
 *  return -1, p_value & p_param nicht gültig
 * version != AVM_HW_CONFIG_VERSION:
 *  return -2, p_value & p_param nicht gültig
 * sonst:
 *  return 0
\*------------------------------------------------------------------------------------------*/
static inline int avm_get_hw_config(unsigned int version, const char *name, int *p_value, enum _avm_hw_param *p_param) {
	struct _avm_hw_config *phwconfig;
	if(version != AVM_HW_CONFIG_VERSION) {
		return -2;
	}
	phwconfig = _avm_get_hw_configstruct(name);
	if(phwconfig == NULL) {
		return -1;
	}
	if (p_value) *p_value = phwconfig->value;
	if(p_param)  *p_param = phwconfig->param;
	return 0;
}

#endif /*--- #ifndef _AVM_HW_CONFIG_H_ ---*/