/**
 * \file
 *
 * \brief AT32UC3A3 chip-specific TWIS definitions.
 *
 * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
 * - Supported devices:  AT32UC3A3
 * - AppNote:
 *
 * \author               Atmel Corporation: http://www.atmel.com \n
 *                       Support and FAQ: http://support.atmel.no/
 *
 * \page License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name of Atmel may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * 4. This software may only be redistributed and used in connection with an
 * Atmel AVR product.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
#ifndef CHIP_TWIS_H_INCLUDED
#define CHIP_TWIS_H_INCLUDED

#include <chip/memory-map.h>
#include <chip/irq-map.h>
#include <stddef.h>

/**
 * \brief Get a pointer to the TWIS registers.
 *
 * \param id The ID of the TWIS module.
 *
 * \return A pointer to a virtual address corresponding to the base
 * address of the TWIS \a id registers.
 */
static inline void *get_twis_regs(unsigned int id)
{
	assert(id <= 1);

	switch (id) {
	case 0:
		return (void *)TWIS0_BASE;
	case 1:
		return (void *)TWIS1_BASE;
	default:
		unhandled_case(id);
		return NULL;
	}
}

/**
 * \brief Get the IRQ of a TWIS module.
 *
 * \param id The ID of the TWIS module.
 *
 * \return The IRQ of the TWIS module.
 */
static inline unsigned int get_twis_irq(unsigned int id)
{
	assert(id <= 1);

	switch (id) {
	case 0:
		return TWIS0_IRQ;
	case 1:
		return TWIS1_IRQ;
	default:
		return 0;
	}
}

#endif /* CHIP_TWIS_H_INCLUDED */

