xref: /openbmc/linux/include/sound/wm8996.h (revision d2912cb1)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * linux/sound/wm8996.h -- Platform data for WM8996
4  *
5  * Copyright 2011 Wolfson Microelectronics. PLC.
6  */
7 
8 #ifndef __LINUX_SND_WM8996_H
9 #define __LINUX_SND_WM8996_H
10 
11 enum wm8996_inmode {
12 	WM8996_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */
13 	WM8996_INVERTING = 1,         /* IN1xN */
14 	WM8996_NON_INVERTING = 2,     /* IN1xP */
15 	WM8996_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */
16 };
17 
18 /**
19  * ReTune Mobile configurations are specified with a label, sample
20  * rate and set of values to write (the enable bits will be ignored).
21  *
22  * Configurations are expected to be generated using the ReTune Mobile
23  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
24  */
25 struct wm8996_retune_mobile_config {
26 	const char *name;
27 	int rate;
28 	u16 regs[20];
29 };
30 
31 #define WM8996_SET_DEFAULT 0x10000
32 
33 struct wm8996_pdata {
34 	int irq_flags;  /** Set IRQ trigger flags; default active low */
35 
36 	int ldo_ena;  /** GPIO for LDO1; -1 for none */
37 
38 	int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */
39 
40 	enum wm8996_inmode inl_mode;
41 	enum wm8996_inmode inr_mode;
42 
43 	u32 spkmute_seq;  /** Value for register 0x802 */
44 
45 	int gpio_base;
46 	u32 gpio_default[5];
47 
48 	int num_retune_mobile_cfgs;
49 	struct wm8996_retune_mobile_config *retune_mobile_cfgs;
50 };
51 
52 #endif
53