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
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