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 /* Return values for wm_adsp_compr_handle_irq */
  23 #define WM_ADSP_COMPR_OK                 0
  24 #define WM_ADSP_COMPR_VOICE_TRIGGER      1
  25
  26 struct wm_adsp_region {
  27         int type;
  28         unsigned int base;
  29 };
  30
  31 struct wm_adsp_alg_region {
  32         struct list_head list;
  33         unsigned int alg;
  34         int type;
  35         unsigned int base;
  36 };
  37
  38 struct wm_adsp_compr;
  39 struct wm_adsp_compr_buf;
  40
  41 struct wm_adsp {
  42         const char *part;
  43         int num;
  44         int type;
  45         struct device *dev;
  46         struct regmap *regmap;
  47         struct snd_soc_codec *codec;
  48
  49         int base;
  50         int sysclk_reg;
  51         int sysclk_mask;
  52         int sysclk_shift;
  53
  54         struct list_head alg_regions;
  55
  56         unsigned int fw_id;
  57         unsigned int fw_id_version;
  58
  59         const struct wm_adsp_region *mem;
  60         int num_mems;
  61
  62         int fw;
  63         int fw_ver;
  64
  65         bool booted;
  66         bool running;
  67
  68         struct list_head ctl_list;
  69
  70         struct work_struct boot_work;
  71
  72         struct wm_adsp_compr *compr;
  73         struct wm_adsp_compr_buf *buffer;
  74
  75         struct mutex pwr_lock;
  76
  77 #ifdef CONFIG_DEBUG_FS
  78         struct dentry *debugfs_root;
  79         char *wmfw_file_name;
  80         char *bin_file_name;
  81 #endif
  82
  83 };
  84
  85 #define WM_ADSP1(wname, num) \
  86         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
  87                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
  88
  89 #define WM_ADSP2(wname, num, event_fn) \
  90 {       .id = snd_soc_dapm_supply, .name = wname " Preloader", \
  91         .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
  92         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
  93         .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
  94 {       .id = snd_soc_dapm_out_drv, .name = wname, \
  95         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
  96         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  97
  98 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
  99
 100 int wm_adsp1_init(struct wm_adsp *dsp);
 101 int wm_adsp2_init(struct wm_adsp *dsp);
 102 void wm_adsp2_remove(struct wm_adsp *dsp);
 103 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
 104 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
 105 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 106                    struct snd_kcontrol *kcontrol, int event);
 107 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
 108                          struct snd_kcontrol *kcontrol, int event,
 109                          unsigned int freq);
 110 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
 111                    struct snd_kcontrol *kcontrol, int event);
 112
 113 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
 114 int wm_adsp_compr_free(struct snd_compr_stream *stream);
 115 int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
 116                              struct snd_compr_params *params);
 117 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
 118                            struct snd_compr_caps *caps);
 119 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
 120 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
 121 int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
 122                           struct snd_compr_tstamp *tstamp);
 123 int wm_adsp_compr_copy(struct snd_compr_stream *stream,
 124                        char __user *buf, size_t count);
 125
 126 #endif