xref: /linux/sound/soc/codecs/wm8731.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * wm8731.h  --  WM8731 Soc Audio driver
4  *
5  * Copyright 2005 Openedhand Ltd.
6  *
7  * Author: Richard Purdie <richard@openedhand.com>
8  *
9  * Based on wm8753.h
10  */
11 
12 #ifndef _WM8731_H
13 #define _WM8731_H
14 
15 #include <linux/mutex.h>
16 #include <linux/regmap.h>
17 #include <linux/regulator/consumer.h>
18 
19 struct clk;
20 struct snd_pcm_hw_constraint_list;
21 
22 /* WM8731 register space */
23 
24 #define WM8731_LINVOL   0x00
25 #define WM8731_RINVOL   0x01
26 #define WM8731_LOUT1V   0x02
27 #define WM8731_ROUT1V   0x03
28 #define WM8731_APANA    0x04
29 #define WM8731_APDIGI   0x05
30 #define WM8731_PWR      0x06
31 #define WM8731_IFACE    0x07
32 #define WM8731_SRATE    0x08
33 #define WM8731_ACTIVE   0x09
34 #define WM8731_RESET	0x0f
35 
36 #define WM8731_CACHEREGNUM 	10
37 
38 #define WM8731_SYSCLK_MCLK 0
39 #define WM8731_SYSCLK_XTAL 1
40 
41 #define WM8731_DAI		0
42 
43 #define WM8731_NUM_SUPPLIES 4
44 
45 /* codec private data */
46 struct wm8731_priv {
47 	struct regmap *regmap;
48 	struct clk *mclk;
49 	struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
50 	const struct snd_pcm_hw_constraint_list *constraints;
51 	unsigned int sysclk;
52 	int sysclk_type;
53 	int playback_fs;
54 	bool deemph;
55 
56 	struct mutex lock;
57 };
58 
59 extern const struct regmap_config wm8731_regmap;
60 
61 int wm8731_init(struct device *dev, struct wm8731_priv *wm8731);
62 
63 #endif
64