1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/sound/wm2200.h -- Platform data for WM2200 4 * 5 * Copyright 2012 Wolfson Microelectronics. PLC. 6 */ 7 8 #ifndef __LINUX_SND_WM2200_H 9 #define __LINUX_SND_WM2200_H 10 11 #define WM2200_GPIO_SET 0x10000 12 #define WM2200_MAX_MICBIAS 2 13 14 enum wm2200_in_mode { 15 WM2200_IN_SE = 0, 16 WM2200_IN_DIFF = 1, 17 WM2200_IN_DMIC = 2, 18 }; 19 20 enum wm2200_dmic_sup { 21 WM2200_DMIC_SUP_MICVDD = 0, 22 WM2200_DMIC_SUP_MICBIAS1 = 1, 23 WM2200_DMIC_SUP_MICBIAS2 = 2, 24 }; 25 26 enum wm2200_mbias_lvl { 27 WM2200_MBIAS_LVL_1V5 = 1, 28 WM2200_MBIAS_LVL_1V8 = 2, 29 WM2200_MBIAS_LVL_1V9 = 3, 30 WM2200_MBIAS_LVL_2V0 = 4, 31 WM2200_MBIAS_LVL_2V2 = 5, 32 WM2200_MBIAS_LVL_2V4 = 6, 33 WM2200_MBIAS_LVL_2V5 = 7, 34 WM2200_MBIAS_LVL_2V6 = 8, 35 }; 36 37 struct wm2200_micbias { 38 enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */ 39 unsigned int discharge:1; /** Actively discharge */ 40 unsigned int fast_start:1; /** Enable aggressive startup ramp rate */ 41 unsigned int bypass:1; /** Use bypass mode */ 42 }; 43 44 struct wm2200_pdata { 45 int irq_flags; 46 47 int gpio_defaults[4]; 48 49 enum wm2200_in_mode in_mode[3]; 50 enum wm2200_dmic_sup dmic_sup[3]; 51 52 /** MICBIAS configurations */ 53 struct wm2200_micbias micbias[WM2200_MAX_MICBIAS]; 54 }; 55 56 #endif 57