|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /* | 
|  | * linux/sound/wm8996.h -- Platform data for WM8996 | 
|  | * | 
|  | * Copyright 2011 Wolfson Microelectronics. PLC. | 
|  | */ | 
|  |  | 
|  | #ifndef __LINUX_SND_WM8996_H | 
|  | #define __LINUX_SND_WM8996_H | 
|  |  | 
|  | enum wm8996_inmode { | 
|  | WM8996_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */ | 
|  | WM8996_INVERTING = 1,         /* IN1xN */ | 
|  | WM8996_NON_INVERTING = 2,     /* IN1xP */ | 
|  | WM8996_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */ | 
|  | }; | 
|  |  | 
|  | /** | 
|  | * ReTune Mobile configurations are specified with a label, sample | 
|  | * rate and set of values to write (the enable bits will be ignored). | 
|  | * | 
|  | * Configurations are expected to be generated using the ReTune Mobile | 
|  | * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/ | 
|  | */ | 
|  | struct wm8996_retune_mobile_config { | 
|  | const char *name; | 
|  | int rate; | 
|  | u16 regs[20]; | 
|  | }; | 
|  |  | 
|  | #define WM8996_SET_DEFAULT 0x10000 | 
|  |  | 
|  | struct wm8996_pdata { | 
|  | int irq_flags;  /** Set IRQ trigger flags; default active low */ | 
|  |  | 
|  | int ldo_ena;  /** GPIO for LDO1; -1 for none */ | 
|  |  | 
|  | int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */ | 
|  |  | 
|  | enum wm8996_inmode inl_mode; | 
|  | enum wm8996_inmode inr_mode; | 
|  |  | 
|  | u32 spkmute_seq;  /** Value for register 0x802 */ | 
|  |  | 
|  | int gpio_base; | 
|  | u32 gpio_default[5]; | 
|  |  | 
|  | int num_retune_mobile_cfgs; | 
|  | struct wm8996_retune_mobile_config *retune_mobile_cfgs; | 
|  | }; | 
|  |  | 
|  | #endif |