/*
 * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/******************************************************************************
 * @file     pinmux.h
 * @brief    Header file for the pinmux
 * @version  V1.0
 * @date     02. June 2017
 ******************************************************************************/
#ifndef HOBBIT_PINMUX_H
#define HOBBIT_PINMUX_H

#include <stdint.h>
#include "pin_name.h"

void hobbit_ioreuse_initial(void);
int32_t pin_mux(pin_name_t pin, uint16_t function);

/*IOMUX0L function definition */


/* IOMUX0H function definition */
#define PA20_UART1_RX     0x00000000
#define PA21_UART1_TX     0x00000000


/* IOMUX1L function definition */

/* flag as identification */
#define GPIO_SET_BIT0  0x00000001
#define GPIO_SET_BIT1  0x00000002
#define GPIO_SET_BIT2  0x00000004
#define GPIO_SET_BIT3  0x00000008
#define GPIO_SET_BIT4  0x00000010
#define GPIO_SET_BIT5  0x00000020
#define GPIO_SET_BIT6  0x00000040
#define GPIO_SET_BIT7  0x00000080
#define GPIO_SET_BIT8  0x00000100
#define GPIO_SET_BIT9  0x00000200
#define GPIO_SET_BIT10 0x00000400
#define GPIO_SET_BIT11 0x00000800
#define GPIO_SET_BIT12 0x00001000
#define GPIO_SET_BIT13 0x00002000
#define GPIO_SET_BIT14 0x00004000
#define GPIO_SET_BIT15 0x00008000
#define GPIO_SET_BIT16 0x00010000
#define GPIO_SET_BIT17 0x00020000
#define GPIO_SET_BIT18 0x00040000
#define GPIO_SET_BIT19 0x00080000
#define GPIO_SET_BIT20 0x00100000
#define GPIO_SET_BIT21 0x00200000
#define GPIO_SET_BIT22 0x00400000
#define GPIO_SET_BIT23 0x00800000
#define GPIO_SET_BIT24 0x01000000
#define GPIO_SET_BIT25 0x02000000
#define GPIO_SET_BIT26 0x04000000
#define GPIO_SET_BIT27 0x08000000
#define GPIO_SET_BIT28 0x10000000
#define GPIO_SET_BIT29 0x20000000
#define GPIO_SET_BIT30 0x40000000
#define GPIO_SET_BIT31 0x80000000

/******************************************************************************
 * hobbit gpio control and gpio reuse function
 * selecting regester adddress
 ******************************************************************************/

#define HOBBIT_GIPO0_PORTCTL_REG 0x60030000
#define HOBBIT_GIPO1_PORTCTL_REG 0x60030004
#define HOBBIT_IOMUX0L_REG       0x60030008
#define HOBBIT_IOMUX0H_REG       0x6003000C
#define HOBBIT_IOMUX1L_REG       0x60030010


/*************basic gpio reuse v1.0********************************************
 * UART1(PA20,PA21)
 ******************************************************************************/
#define GPIO0_REUSE_EN                (GPIO_SET_BIT20|GPIO_SET_BIT21)
#define GPIO1_REUSE_EN                (0x00000000)
#define IOMUX0L_FUNCTION_SEL          (0x00000000)
#define IOMUX0H_FUNCTION_SEL          (PA20_UART1_RX|PA21_UART1_TX)
#define IOMUX1L_FUNCTION_SEL          (0x00000000)


#endif /* HOBBIT_PINMUX_H */