|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /* | 
|  | * linux/sound/wm2200.h -- Platform data for WM2200 | 
|  | * | 
|  | * Copyright 2012 Wolfson Microelectronics. PLC. | 
|  | */ | 
|  |  | 
|  | #ifndef __LINUX_SND_WM2200_H | 
|  | #define __LINUX_SND_WM2200_H | 
|  |  | 
|  | #define WM2200_GPIO_SET 0x10000 | 
|  | #define WM2200_MAX_MICBIAS 2 | 
|  |  | 
|  | enum wm2200_in_mode { | 
|  | WM2200_IN_SE = 0, | 
|  | WM2200_IN_DIFF = 1, | 
|  | WM2200_IN_DMIC = 2, | 
|  | }; | 
|  |  | 
|  | enum wm2200_dmic_sup { | 
|  | WM2200_DMIC_SUP_MICVDD = 0, | 
|  | WM2200_DMIC_SUP_MICBIAS1 = 1, | 
|  | WM2200_DMIC_SUP_MICBIAS2 = 2, | 
|  | }; | 
|  |  | 
|  | enum wm2200_mbias_lvl { | 
|  | WM2200_MBIAS_LVL_1V5 = 1, | 
|  | WM2200_MBIAS_LVL_1V8 = 2, | 
|  | WM2200_MBIAS_LVL_1V9 = 3, | 
|  | WM2200_MBIAS_LVL_2V0 = 4, | 
|  | WM2200_MBIAS_LVL_2V2 = 5, | 
|  | WM2200_MBIAS_LVL_2V4 = 6, | 
|  | WM2200_MBIAS_LVL_2V5 = 7, | 
|  | WM2200_MBIAS_LVL_2V6 = 8, | 
|  | }; | 
|  |  | 
|  | struct wm2200_micbias { | 
|  | enum wm2200_mbias_lvl mb_lvl;      /** Regulated voltage */ | 
|  | unsigned int discharge:1;          /** Actively discharge */ | 
|  | unsigned int fast_start:1;         /** Enable aggressive startup ramp rate */ | 
|  | unsigned int bypass:1;             /** Use bypass mode */ | 
|  | }; | 
|  |  | 
|  | struct wm2200_pdata { | 
|  | int irq_flags; | 
|  |  | 
|  | int gpio_defaults[4]; | 
|  |  | 
|  | enum wm2200_in_mode in_mode[3]; | 
|  | enum wm2200_dmic_sup dmic_sup[3]; | 
|  |  | 
|  | /** MICBIAS configurations */ | 
|  | struct wm2200_micbias micbias[WM2200_MAX_MICBIAS]; | 
|  | }; | 
|  |  | 
|  | #endif |