include/sound/rt5677.h

   1 /*
   2  * linux/sound/rt5677.h -- Platform data for RT5677
   3  *
   4  * Copyright 2013 Realtek Semiconductor Corp.
   5  * Author: Oder Chiou <oder_chiou@realtek.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef __LINUX_SND_RT5677_H
  13 #define __LINUX_SND_RT5677_H
  14
  15 enum rt5677_dmic2_clk {
  16         RT5677_DMIC_CLK1 = 0,
  17         RT5677_DMIC_CLK2 = 1,
  18 };
  19
  20
  21 struct rt5677_platform_data {
  22         /* IN1/IN2/LOUT1/LOUT2/LOUT3 can optionally be differential */
  23         bool in1_diff;
  24         bool in2_diff;
  25         bool lout1_diff;
  26         bool lout2_diff;
  27         bool lout3_diff;
  28         /* DMIC2 clock source selection */
  29         enum rt5677_dmic2_clk dmic2_clk_pin;
  30
  31         /* configures GPIO, 0 - floating, 1 - pulldown, 2 - pullup */
  32         u8 gpio_config[6];
  33
  34         /* jd1 can select 0 ~ 3 as OFF, GPIO1, GPIO2 and GPIO3 respectively */
  35         unsigned int jd1_gpio;
  36         /* jd2 and jd3 can select 0 ~ 3 as
  37                 OFF, GPIO4, GPIO5 and GPIO6 respectively */
  38         unsigned int jd2_gpio;
  39         unsigned int jd3_gpio;
  40
  41         /* Set MICBIAS1 VDD 1v8 or 3v3 */
  42         bool micbias1_vdd_3v3;
  43 };
  44
  45 #endif