1/*
 2 * ALSA SoC McASP Audio Layer for TI DAVINCI processor
 3 *
 4 * MCASP related definitions
 5 *
 6 * Author: Nirmal Pandey <n-pandey@ti.com>,
 7 *         Suresh Rajashekara <suresh.r@ti.com>
 8 *         Steve Chen <schen@.mvista.com>
 9 *
10 * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
11 * Copyright:   (C) 2009  Texas Instruments, India
12 *
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.
16 */
17
18#ifndef DAVINCI_MCASP_H
19#define DAVINCI_MCASP_H
20
21#include <linux/io.h>
22#include <mach/asp.h>
23#include "davinci-pcm.h"
24
25#define DAVINCI_MCASP_RATES	SNDRV_PCM_RATE_8000_96000
26#define DAVINCI_MCASP_I2S_DAI	0
27#define DAVINCI_MCASP_DIT_DAI	1
28
29enum {
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 */
37};
38
39struct 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;
46
47	/* McASP specific data */
48	int	tdm_slots;
49	u8	op_mode;
50	u8	num_serializer;
51	u8	*serial_dir;
52	u8	version;
53
54	/* McASP FIFO related */
55	u8	txnumevt;
56	u8	rxnumevt;
57};
58
59#endif	/* DAVINCI_MCASP_H */