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         int fw_id_version;
  50
  51         const struct wm_adsp_region *mem;
  52         int num_mems;
  53
  54         int fw;
  55         int fw_ver;
  56         bool running;
  57
  58         struct list_head ctl_list;
  59
  60         struct work_struct boot_work;
  61
  62 #ifdef CONFIG_DEBUG_FS
  63         struct dentry *debugfs_root;
  64         struct mutex debugfs_lock;
  65         char *wmfw_file_name;
  66         char *bin_file_name;
  67 #endif
  68
  69 };
  70
  71 #define WM_ADSP1(wname, num) \
  72         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
  73                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
  74
  75 #define WM_ADSP2_E(wname, num, event_fn) \
  76 {       .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
  77         .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
  78         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \
  79 {       .id = snd_soc_dapm_out_drv, .name = wname, \
  80         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
  81         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  82
  83 #define WM_ADSP2(wname, num) \
  84         WM_ADSP2_E(wname, num, wm_adsp2_early_event)
  85
  86 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
  87
  88 int wm_adsp1_init(struct wm_adsp *dsp);
  89 int wm_adsp2_init(struct wm_adsp *dsp);
  90 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
  91 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
  92 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
  93                    struct snd_kcontrol *kcontrol, int event);
  94 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
  95                          struct snd_kcontrol *kcontrol, int event);
  96 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
  97                    struct snd_kcontrol *kcontrol, int event);
  98
  99 #endif