sound/soc/codecs/wm_adsp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * wm_adsp.h  --  Wolfson ADSP support
   4  *
   5  * Copyright 2012 Wolfson Microelectronics plc
   6  *
   7  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   8  */
   9
  10 #ifndef __WM_ADSP_H
  11 #define __WM_ADSP_H
  12
  13 #include <sound/soc.h>
  14 #include <sound/soc-dapm.h>
  15 #include <sound/compress_driver.h>
  16
  17 #include "wmfw.h"
  18
  19 /* Return values for wm_adsp_compr_handle_irq */
  20 #define WM_ADSP_COMPR_OK                 0
  21 #define WM_ADSP_COMPR_VOICE_TRIGGER      1
  22
  23 #define WM_ADSP2_REGION_0 BIT(0)
  24 #define WM_ADSP2_REGION_1 BIT(1)
  25 #define WM_ADSP2_REGION_2 BIT(2)
  26 #define WM_ADSP2_REGION_3 BIT(3)
  27 #define WM_ADSP2_REGION_4 BIT(4)
  28 #define WM_ADSP2_REGION_5 BIT(5)
  29 #define WM_ADSP2_REGION_6 BIT(6)
  30 #define WM_ADSP2_REGION_7 BIT(7)
  31 #define WM_ADSP2_REGION_8 BIT(8)
  32 #define WM_ADSP2_REGION_9 BIT(9)
  33 #define WM_ADSP2_REGION_1_9 (WM_ADSP2_REGION_1 | \
  34                 WM_ADSP2_REGION_2 | WM_ADSP2_REGION_3 | \
  35                 WM_ADSP2_REGION_4 | WM_ADSP2_REGION_5 | \
  36                 WM_ADSP2_REGION_6 | WM_ADSP2_REGION_7 | \
  37                 WM_ADSP2_REGION_8 | WM_ADSP2_REGION_9)
  38 #define WM_ADSP2_REGION_ALL (WM_ADSP2_REGION_0 | WM_ADSP2_REGION_1_9)
  39
  40 struct wm_adsp_region {
  41         int type;
  42         unsigned int base;
  43 };
  44
  45 struct wm_adsp_alg_region {
  46         struct list_head list;
  47         unsigned int alg;
  48         int type;
  49         unsigned int base;
  50 };
  51
  52 struct wm_adsp_compr;
  53 struct wm_adsp_compr_buf;
  54 struct wm_adsp_ops;
  55
  56 struct wm_adsp {
  57         const char *part;
  58         const char *name;
  59         const char *fwf_name;
  60         int rev;
  61         int num;
  62         int type;
  63         struct device *dev;
  64         struct regmap *regmap;
  65         struct snd_soc_component *component;
  66
  67         struct wm_adsp_ops *ops;
  68
  69         unsigned int base;
  70         unsigned int base_sysinfo;
  71         unsigned int sysclk_reg;
  72         unsigned int sysclk_mask;
  73         unsigned int sysclk_shift;
  74
  75         struct list_head alg_regions;
  76
  77         unsigned int fw_id;
  78         unsigned int fw_id_version;
  79         unsigned int fw_vendor_id;
  80
  81         const struct wm_adsp_region *mem;
  82         int num_mems;
  83
  84         int fw;
  85         int fw_ver;
  86
  87         bool preloaded;
  88         bool booted;
  89         bool running;
  90         bool fatal_error;
  91
  92         struct list_head ctl_list;
  93
  94         struct work_struct boot_work;
  95
  96         struct list_head compr_list;
  97         struct list_head buffer_list;
  98
  99         struct mutex pwr_lock;
 100
 101         unsigned int lock_regions;
 102
 103 #ifdef CONFIG_DEBUG_FS
 104         struct dentry *debugfs_root;
 105         char *wmfw_file_name;
 106         char *bin_file_name;
 107 #endif
 108
 109 };
 110
 111 struct wm_adsp_ops {
 112         unsigned int sys_config_size;
 113
 114         bool (*validate_version)(struct wm_adsp *dsp, unsigned int version);
 115         unsigned int (*parse_sizes)(struct wm_adsp *dsp,
 116                                     const char * const file,
 117                                     unsigned int pos,
 118                                     const struct firmware *firmware);
 119         int (*setup_algs)(struct wm_adsp *dsp);
 120         unsigned int (*region_to_reg)(struct wm_adsp_region const *mem,
 121                                       unsigned int offset);
 122
 123         void (*show_fw_status)(struct wm_adsp *dsp);
 124         void (*stop_watchdog)(struct wm_adsp *dsp);
 125
 126         int (*enable_memory)(struct wm_adsp *dsp);
 127         void (*disable_memory)(struct wm_adsp *dsp);
 128         int (*lock_memory)(struct wm_adsp *dsp, unsigned int lock_regions);
 129
 130         int (*enable_core)(struct wm_adsp *dsp);
 131         void (*disable_core)(struct wm_adsp *dsp);
 132
 133         int (*start_core)(struct wm_adsp *dsp);
 134         void (*stop_core)(struct wm_adsp *dsp);
 135 };
 136
 137 #define WM_ADSP1(wname, num) \
 138         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
 139                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
 140
 141 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
 142         SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
 143                 wm_adsp2_preloader_get, wm_adsp2_preloader_put)
 144
 145 #define WM_ADSP2(wname, num, event_fn) \
 146         SND_SOC_DAPM_SPK(wname " Preload", NULL), \
 147 {       .id = snd_soc_dapm_supply, .name = wname " Preloader", \
 148         .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
 149         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
 150         .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
 151 {       .id = snd_soc_dapm_out_drv, .name = wname, \
 152         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \
 153         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
 154
 155 #define WM_ADSP_FW_CONTROL(dspname, num) \
 156         SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \
 157                      wm_adsp_fw_get, wm_adsp_fw_put)
 158
 159 extern const struct soc_enum wm_adsp_fw_enum[];
 160
 161 int wm_adsp1_init(struct wm_adsp *dsp);
 162 int wm_adsp2_init(struct wm_adsp *dsp);
 163 void wm_adsp2_remove(struct wm_adsp *dsp);
 164 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component);
 165 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component);
 166 int wm_halo_init(struct wm_adsp *dsp);
 167
 168 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 169                    struct snd_kcontrol *kcontrol, int event);
 170
 171 int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
 172                         struct snd_kcontrol *kcontrol, int event);
 173
 174 irqreturn_t wm_adsp2_bus_error(int irq, void *data);
 175 irqreturn_t wm_halo_bus_error(int irq, void *data);
 176 irqreturn_t wm_halo_wdt_expire(int irq, void *data);
 177
 178 int wm_adsp_event(struct snd_soc_dapm_widget *w,
 179                   struct snd_kcontrol *kcontrol, int event);
 180
 181 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq);
 182
 183 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
 184                            struct snd_ctl_elem_value *ucontrol);
 185 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
 186                            struct snd_ctl_elem_value *ucontrol);
 187 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
 188                    struct snd_ctl_elem_value *ucontrol);
 189 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
 190                    struct snd_ctl_elem_value *ucontrol);
 191
 192 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
 193 int wm_adsp_compr_free(struct snd_compr_stream *stream);
 194 int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
 195                              struct snd_compr_params *params);
 196 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
 197                            struct snd_compr_caps *caps);
 198 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
 199 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
 200 int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
 201                           struct snd_compr_tstamp *tstamp);
 202 int wm_adsp_compr_copy(struct snd_compr_stream *stream,
 203                        char __user *buf, size_t count);
 204 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name,  int type,
 205                       unsigned int alg, void *buf, size_t len);
 206 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name,  int type,
 207                       unsigned int alg, void *buf, size_t len);
 208
 209 #endif