sound/soc/codecs/wm_adsp.h

   1 /*
   2  * wm_adsp.h  --  Wolfson ADSP support
   3  *
   4  * Copyright 2012 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef __WM_ADSP_H
  14 #define __WM_ADSP_H
  15
  16 #include <sound/soc.h>
  17 #include <sound/soc-dapm.h>
  18
  19 #include "wmfw.h"
  20
  21 struct regulator;
  22
  23 struct wm_adsp_region {
  24         int type;
  25         unsigned int base;
  26 };
  27
  28 struct wm_adsp_alg_region {
  29         struct list_head list;
  30         unsigned int alg;
  31         int type;
  32         unsigned int base;
  33 };
  34
  35 struct wm_adsp {
  36         const char *part;
  37         int num;
  38         int type;
  39         struct device *dev;
  40         struct regmap *regmap;
  41
  42         int base;
  43         int sysclk_reg;
  44         int sysclk_mask;
  45         int sysclk_shift;
  46
  47         struct list_head alg_regions;
  48
  49         const struct wm_adsp_region *mem;
  50         int num_mems;
  51
  52         int fw;
  53         bool running;
  54
  55         struct regulator *dvfs;
  56 };
  57
  58 #define WM_ADSP1(wname, num) \
  59         { .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
  60         .shift = num, .event = wm_adsp1_event, \
  61         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  62
  63 #define WM_ADSP2(wname, num) \
  64 {       .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
  65         .shift = num, .event = wm_adsp2_event, \
  66         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  67
  68 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
  69
  70 int wm_adsp1_init(struct wm_adsp *adsp);
  71 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
  72 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
  73                    struct snd_kcontrol *kcontrol, int event);
  74 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
  75                    struct snd_kcontrol *kcontrol, int event);
  76
  77 #endif