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 #include <sound/compress_driver.h>
  19
  20 #include "wmfw.h"
  21
  22 struct wm_adsp_region {
  23         int type;
  24         unsigned int base;
  25 };
  26
  27 struct wm_adsp_alg_region {
  28         struct list_head list;
  29         unsigned int alg;
  30         int type;
  31         unsigned int base;
  32 };
  33
  34 struct wm_adsp_compr;
  35 struct wm_adsp_compr_buf;
  36
  37 struct wm_adsp {
  38         const char *part;
  39         int num;
  40         int type;
  41         struct device *dev;
  42         struct regmap *regmap;
  43         struct snd_soc_card *card;
  44
  45         int base;
  46         int sysclk_reg;
  47         int sysclk_mask;
  48         int sysclk_shift;
  49
  50         struct list_head alg_regions;
  51
  52         unsigned int fw_id;
  53         unsigned int fw_id_version;
  54
  55         const struct wm_adsp_region *mem;
  56         int num_mems;
  57
  58         int fw;
  59         int fw_ver;
  60         bool running;
  61
  62         struct list_head ctl_list;
  63
  64         struct work_struct boot_work;
  65
  66         struct wm_adsp_compr *compr;
  67         struct wm_adsp_compr_buf *buffer;
  68
  69         struct mutex pwr_lock;
  70
  71 #ifdef CONFIG_DEBUG_FS
  72         struct dentry *debugfs_root;
  73         char *wmfw_file_name;
  74         char *bin_file_name;
  75 #endif
  76
  77 };
  78
  79 #define WM_ADSP1(wname, num) \
  80         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
  81                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
  82
  83 #define WM_ADSP2_E(wname, num, event_fn) \
  84 {       .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
  85         .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
  86         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \
  87 {       .id = snd_soc_dapm_out_drv, .name = wname, \
  88         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
  89         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  90
  91 #define WM_ADSP2(wname, num) \
  92         WM_ADSP2_E(wname, num, wm_adsp2_early_event)
  93
  94 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
  95
  96 int wm_adsp1_init(struct wm_adsp *dsp);
  97 int wm_adsp2_init(struct wm_adsp *dsp);
  98 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
  99 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
 100 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 101                    struct snd_kcontrol *kcontrol, int event);
 102 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
 103                          struct snd_kcontrol *kcontrol, int event);
 104 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
 105                    struct snd_kcontrol *kcontrol, int event);
 106
 107 extern int wm_adsp_compr_open(struct wm_adsp *dsp,
 108                               struct snd_compr_stream *stream);
 109 extern int wm_adsp_compr_free(struct snd_compr_stream *stream);
 110 extern int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
 111                                     struct snd_compr_params *params);
 112 extern int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
 113                                   struct snd_compr_caps *caps);
 114 extern int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
 115 extern int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
 116 extern int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
 117                                  struct snd_compr_tstamp *tstamp);
 118 extern int wm_adsp_compr_copy(struct snd_compr_stream *stream,
 119                               char __user *buf, size_t count);
 120
 121 #endif