blob: 27f48e1ffa8610feb8e1d02740bd31bd607f59e9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* sound/soc/s3c24xx/s3c2412-i2s.c
*
* ALSA Soc Audio Layer - S3C2412 I2S driver
*
* Copyright (c) 2007 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
* 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.
*/
#ifndef __SND_SOC_S3C24XX_S3C2412_I2S_H
#define __SND_SOC_S3C24XX_S3C2412_I2S_H __FILE__
#define S3C2412_DIV_BCLK (1)
#define S3C2412_DIV_RCLK (2)
#define S3C2412_DIV_PRESCALER (3)
#define S3C2412_CLKSRC_PCLK (0)
#define S3C2412_CLKSRC_I2SCLK (1)
extern struct clk *s3c2412_get_iisclk(void);
extern struct snd_soc_cpu_dai s3c2412_i2s_dai;
struct s3c2412_rate_calc {
unsigned int clk_div; /* for prescaler */
unsigned int fs_div; /* for root frame clock */
};
extern int s3c2412_iis_calc_rate(struct s3c2412_rate_calc *info,
unsigned int *fstab,
unsigned int rate, struct clk *clk);
#endif /* __SND_SOC_S3C24XX_S3C2412_I2S_H */
|
