1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * s3c24xx-i2s.c  --  ALSA Soc Audio Layer
4 *
5 * Copyright 2005 Wolfson Microelectronics PLC.
6 * Author: Graeme Gregory
7 *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
8 *
9 *  Revision history
10 *    10th Nov 2006   Initial version.
11 */
12
13#ifndef S3C24XXI2S_H_
14#define S3C24XXI2S_H_
15
16/* clock sources */
17#define S3C24XX_CLKSRC_PCLK 0
18#define S3C24XX_CLKSRC_MPLL 1
19
20/* Clock dividers */
21#define S3C24XX_DIV_MCLK	0
22#define S3C24XX_DIV_BCLK	1
23#define S3C24XX_DIV_PRESCALER	2
24
25/* prescaler */
26#define S3C24XX_PRESCALE(a,b) \
27	(((a - 1) << S3C2410_IISPSR_INTSHIFT) | ((b - 1) << S3C2410_IISPSR_EXTSHFIT))
28
29u32 s3c24xx_i2s_get_clockrate(void);
30
31#endif /*S3C24XXI2S_H_*/
32