xref: /openbmc/linux/sound/soc/ux500/ux500_msp_dai.h (revision e657c18a)
1 /*
2  * Copyright (C) ST-Ericsson SA 2012
3  *
4  * Author: Ola Lilja <ola.o.lilja@stericsson.com>,
5  *         Roger Nilsson <roger.xr.nilsson@stericsson.com>
6  *         for ST-Ericsson.
7  *
8  * License terms:
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as published
12  * by the Free Software Foundation.
13  */
14 
15 #ifndef UX500_msp_dai_H
16 #define UX500_msp_dai_H
17 
18 #include <linux/types.h>
19 #include <linux/spinlock.h>
20 
21 #include "ux500_msp_i2s.h"
22 
23 #define UX500_NBR_OF_DAI	4
24 
25 #define UX500_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |	\
26 			SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
27 
28 #define UX500_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
29 
30 #define FRAME_PER_SINGLE_SLOT_8_KHZ		31
31 #define FRAME_PER_SINGLE_SLOT_16_KHZ	124
32 #define FRAME_PER_SINGLE_SLOT_44_1_KHZ	63
33 #define FRAME_PER_SINGLE_SLOT_48_KHZ	49
34 #define FRAME_PER_2_SLOTS				31
35 #define FRAME_PER_8_SLOTS				138
36 #define FRAME_PER_16_SLOTS				277
37 
38 #define UX500_MSP_INTERNAL_CLOCK_FREQ  40000000
39 #define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ
40 
41 #define UX500_MSP_MIN_CHANNELS		1
42 #define UX500_MSP_MAX_CHANNELS		8
43 
44 #define PLAYBACK_CONFIGURED		1
45 #define CAPTURE_CONFIGURED		2
46 
47 enum ux500_msp_clock_id {
48 	UX500_MSP_MASTER_CLOCK,
49 };
50 
51 struct ux500_msp_i2s_drvdata {
52 	struct ux500_msp *msp;
53 	struct regulator *reg_vape;
54 	unsigned int fmt;
55 	unsigned int tx_mask;
56 	unsigned int rx_mask;
57 	int slots;
58 	int slot_width;
59 
60 	/* Clocks */
61 	unsigned int master_clk;
62 	struct clk *clk;
63 	struct clk *pclk;
64 
65 	/* Regulators */
66 	int vape_opp_constraint;
67 };
68 
69 int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);
70 
71 #endif
72