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 #define WM_ADSP2_REGION_0 BIT(0)
  27 #define WM_ADSP2_REGION_1 BIT(1)
  28 #define WM_ADSP2_REGION_2 BIT(2)
  29 #define WM_ADSP2_REGION_3 BIT(3)
  30 #define WM_ADSP2_REGION_4 BIT(4)
  31 #define WM_ADSP2_REGION_5 BIT(5)
  32 #define WM_ADSP2_REGION_6 BIT(6)
  33 #define WM_ADSP2_REGION_7 BIT(7)
  34 #define WM_ADSP2_REGION_8 BIT(8)
  35 #define WM_ADSP2_REGION_9 BIT(9)
  36 #define WM_ADSP2_REGION_1_9 (WM_ADSP2_REGION_1 | \
  37                 WM_ADSP2_REGION_2 | WM_ADSP2_REGION_3 | \
  38                 WM_ADSP2_REGION_4 | WM_ADSP2_REGION_5 | \
  39                 WM_ADSP2_REGION_6 | WM_ADSP2_REGION_7 | \
  40                 WM_ADSP2_REGION_8 | WM_ADSP2_REGION_9)
  41 #define WM_ADSP2_REGION_ALL (WM_ADSP2_REGION_0 | WM_ADSP2_REGION_1_9)
  42
  43 struct wm_adsp_region {
  44         int type;
  45         unsigned int base;
  46 };
  47
  48 struct wm_adsp_alg_region {
  49         struct list_head list;
  50         unsigned int alg;
  51         int type;
  52         unsigned int base;
  53 };
  54
  55 struct wm_adsp_compr;
  56 struct wm_adsp_compr_buf;
  57
  58 struct wm_adsp {
  59         const char *part;
  60         int rev;
  61         int num;
  62         int type;
  63         struct device *dev;
  64         struct regmap *regmap;
  65         struct snd_soc_codec *codec;
  66
  67         int base;
  68         int sysclk_reg;
  69         int sysclk_mask;
  70         int sysclk_shift;
  71
  72         struct list_head alg_regions;
  73
  74         unsigned int fw_id;
  75         unsigned int fw_id_version;
  76
  77         const struct wm_adsp_region *mem;
  78         int num_mems;
  79
  80         int fw;
  81         int fw_ver;
  82
  83         bool preloaded;
  84         bool booted;
  85         bool running;
  86
  87         struct list_head ctl_list;
  88
  89         struct work_struct boot_work;
  90
  91         struct wm_adsp_compr *compr;
  92         struct wm_adsp_compr_buf *buffer;
  93
  94         struct mutex pwr_lock;
  95
  96         unsigned int lock_regions;
  97
  98 #ifdef CONFIG_DEBUG_FS
  99         struct dentry *debugfs_root;
 100         char *wmfw_file_name;
 101         char *bin_file_name;
 102 #endif
 103
 104 };
 105
 106 #define WM_ADSP1(wname, num) \
 107         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
 108                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
 109
 110 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
 111         SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
 112                 wm_adsp2_preloader_get, wm_adsp2_preloader_put)
 113
 114 #define WM_ADSP2(wname, num, event_fn) \
 115         SND_SOC_DAPM_SPK(wname " Preload", NULL), \
 116 {       .id = snd_soc_dapm_supply, .name = wname " Preloader", \
 117         .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
 118         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
 119         .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
 120 {       .id = snd_soc_dapm_out_drv, .name = wname, \
 121         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
 122         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
 123
 124 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
 125
 126 int wm_adsp1_init(struct wm_adsp *dsp);
 127 int wm_adsp2_init(struct wm_adsp *dsp);
 128 void wm_adsp2_remove(struct wm_adsp *dsp);
 129 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
 130 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
 131 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 132                    struct snd_kcontrol *kcontrol, int event);
 133 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
 134                          struct snd_kcontrol *kcontrol, int event,
 135                          unsigned int freq);
 136
 137 int wm_adsp2_lock(struct wm_adsp *adsp, unsigned int regions);
 138 irqreturn_t wm_adsp2_bus_error(struct wm_adsp *adsp);
 139
 140 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
 141                    struct snd_kcontrol *kcontrol, int event);
 142
 143 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
 144                            struct snd_ctl_elem_value *ucontrol);
 145 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
 146                            struct snd_ctl_elem_value *ucontrol);
 147
 148 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
 149 int wm_adsp_compr_free(struct snd_compr_stream *stream);
 150 int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
 151                              struct snd_compr_params *params);
 152 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
 153                            struct snd_compr_caps *caps);
 154 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
 155 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
 156 int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
 157                           struct snd_compr_tstamp *tstamp);
 158 int wm_adsp_compr_copy(struct snd_compr_stream *stream,
 159                        char __user *buf, size_t count);
 160
 161 #endif