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c1422a66 BD |
1 | /* |
2 | * s3c24xx-i2s.c -- ALSA Soc Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
5 | * Author: Graeme Gregory | |
6 | * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com | |
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 | ||
33 | u32 s3c24xx_i2s_get_clockrate(void); | |
34 | ||
35 | #endif /*S3C24XXI2S_H_*/ |