| /* |
| * linux/sound/wm2200.h -- Platform data for WM2200 |
| * |
| * Copyright 2012 Wolfson Microelectronics. PLC. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #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 |