mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 10:04:12 +08:00
1a78624323
Signed-off-by: Chris Rattray <crattray@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
|
|
* 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
|