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[linux/fpc-iii.git] / sound / soc / davinci / davinci-mcasp.h
blob4681acc636061300efe053f56e214fc0eff1b98b
1 /*
2 * ALSA SoC McASP Audio Layer for TI DAVINCI processor
4 * MCASP related definitions
6 * Author: Nirmal Pandey <n-pandey@ti.com>,
7 * Suresh Rajashekara <suresh.r@ti.com>
8 * Steve Chen <schen@.mvista.com>
10 * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
11 * Copyright: (C) 2009 Texas Instruments, India
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
18 #ifndef DAVINCI_MCASP_H
19 #define DAVINCI_MCASP_H
21 #include <linux/io.h>
22 #include <mach/asp.h>
23 #include "davinci-pcm.h"
25 #define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_96000
26 #define DAVINCI_MCASP_I2S_DAI 0
27 #define DAVINCI_MCASP_DIT_DAI 1
29 enum {
30 DAVINCI_AUDIO_WORD_8 = 0,
31 DAVINCI_AUDIO_WORD_12,
32 DAVINCI_AUDIO_WORD_16,
33 DAVINCI_AUDIO_WORD_20,
34 DAVINCI_AUDIO_WORD_24,
35 DAVINCI_AUDIO_WORD_32,
36 DAVINCI_AUDIO_WORD_28, /* This is only valid for McASP */
39 struct davinci_audio_dev {
40 struct davinci_pcm_dma_params dma_params[2];
41 void __iomem *base;
42 int sample_rate;
43 struct clk *clk;
44 unsigned int codec_fmt;
45 u8 clk_active;
47 /* McASP specific data */
48 int tdm_slots;
49 u8 op_mode;
50 u8 num_serializer;
51 u8 *serial_dir;
52 u8 version;
54 /* McASP FIFO related */
55 u8 txnumevt;
56 u8 rxnumevt;
59 #endif /* DAVINCI_MCASP_H */