Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
s3c24xx-i2s.h
Go to the documentation of this file.
1 /*
2  * s3c24xx-i2s.c -- ALSA Soc Audio Layer
3  *
4  * Copyright 2005 Wolfson Microelectronics PLC.
5  * Author: Graeme Gregory
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License as published by the
10  * Free Software Foundation; either version 2 of the License, or (at your
11  * option) any later version.
12  *
13  * Revision history
14  * 10th Nov 2006 Initial version.
15  */
16 
17 #ifndef S3C24XXI2S_H_
18 #define S3C24XXI2S_H_
19 
20 /* clock sources */
21 #define S3C24XX_CLKSRC_PCLK 0
22 #define S3C24XX_CLKSRC_MPLL 1
23 
24 /* Clock dividers */
25 #define S3C24XX_DIV_MCLK 0
26 #define S3C24XX_DIV_BCLK 1
27 #define S3C24XX_DIV_PRESCALER 2
28 
29 /* prescaler */
30 #define S3C24XX_PRESCALE(a,b) \
31  (((a - 1) << S3C2410_IISPSR_INTSHIFT) | ((b - 1) << S3C2410_IISPSR_EXTSHFIT))
32 
34 
35 #endif /*S3C24XXI2S_H_*/