xref: /openbmc/linux/include/sound/wm8996.h (revision ca55b2fe)
1 /*
2  * linux/sound/wm8996.h -- Platform data for WM8996
3  *
4  * Copyright 2011 Wolfson Microelectronics. PLC.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef __LINUX_SND_WM8996_H
12 #define __LINUX_SND_WM8996_H
13 
14 enum wm8996_inmode {
15 	WM8996_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */
16 	WM8996_INVERTING = 1,         /* IN1xN */
17 	WM8996_NON_INVERTING = 2,     /* IN1xP */
18 	WM8996_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */
19 };
20 
21 /**
22  * ReTune Mobile configurations are specified with a label, sample
23  * rate and set of values to write (the enable bits will be ignored).
24  *
25  * Configurations are expected to be generated using the ReTune Mobile
26  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
27  */
28 struct wm8996_retune_mobile_config {
29 	const char *name;
30 	int rate;
31 	u16 regs[20];
32 };
33 
34 #define WM8996_SET_DEFAULT 0x10000
35 
36 struct wm8996_pdata {
37 	int irq_flags;  /** Set IRQ trigger flags; default active low */
38 
39 	int ldo_ena;  /** GPIO for LDO1; -1 for none */
40 
41 	int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */
42 
43 	enum wm8996_inmode inl_mode;
44 	enum wm8996_inmode inr_mode;
45 
46 	u32 spkmute_seq;  /** Value for register 0x802 */
47 
48 	int gpio_base;
49 	u32 gpio_default[5];
50 
51 	int num_retune_mobile_cfgs;
52 	struct wm8996_retune_mobile_config *retune_mobile_cfgs;
53 };
54 
55 #endif
56