bcm2708-i2s.h

/*
 * I2S configuration for sound cards. 
 *
 * Copyright (c) 2014 Daniel Matuschek <daniel@hifiberry.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
 */

#ifndef BCM2708_I2S_H
#define BCM2708_I2S_H

/* I2S pin assignment */
#define BCM2708_I2S_GPIO_AUTO	0
#define BCM2708_I2S_GPIO_PIN18	1
#define BCM2708_I2S_GPIO_PIN28	2

/* Alt mode to enable I2S */
#define BCM2708_I2S_GPIO_PIN18_ALT	0
#define BCM2708_I2S_GPIO_PIN28_ALT	2

extern void bcm2708_i2s_set_gpio(int gpio);

#endif