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 wm_adsp_region {
  22         int type;
  23         unsigned int base;
  24 };
  25
  26 struct wm_adsp_alg_region {
  27         struct list_head list;
  28         unsigned int alg;
  29         int type;
  30         unsigned int base;
  31 };
  32
  33 struct wm_adsp {
  34         const char *part;
  35         int num;
  36         int type;
  37         struct device *dev;
  38         struct regmap *regmap;
  39         struct snd_soc_card *card;
  40
  41         int base;
  42         int sysclk_reg;
  43         int sysclk_mask;
  44         int sysclk_shift;
  45
  46         struct list_head alg_regions;
  47
  48         int fw_id;
  49
  50         const struct wm_adsp_region *mem;
  51         int num_mems;
  52
  53         int fw;
  54         int fw_ver;
  55         bool running;
  56
  57         struct list_head ctl_list;
  58
  59         struct work_struct boot_work;
  60 };
  61
  62 #define WM_ADSP1(wname, num) \
  63         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
  64                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
  65
  66 #define WM_ADSP2_E(wname, num, event_fn) \
  67 {       .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
  68         .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
  69         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \
  70 {       .id = snd_soc_dapm_out_drv, .name = wname, \
  71         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
  72         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  73
  74 #define WM_ADSP2(wname, num) \
  75         WM_ADSP2_E(wname, num, wm_adsp2_early_event)
  76
  77 extern const struct snd_kcontrol_new wm_adsp1_fw_controls[];
  78 extern const struct snd_kcontrol_new wm_adsp2_fw_controls[];
  79
  80 int wm_adsp1_init(struct wm_adsp *dsp);
  81 int wm_adsp2_init(struct wm_adsp *dsp);
  82 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
  83                    struct snd_kcontrol *kcontrol, int event);
  84 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
  85                          struct snd_kcontrol *kcontrol, int event);
  86 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
  87                    struct snd_kcontrol *kcontrol, int event);
  88
  89 #endif