/* 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 reset; /** GPIO controlling /RESET, if any */ int ldo_ena; /** GPIO controlling LODENA, if any */ 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