2 * wm_adsp.h -- Wolfson ADSP support
4 * Copyright 2012 Wolfson Microelectronics plc
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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.
16 #include <sound/soc.h>
17 #include <sound/soc-dapm.h>
18 #include <sound/compress_driver.h>
22 /* Return values for wm_adsp_compr_handle_irq */
23 #define WM_ADSP_COMPR_OK 0
24 #define WM_ADSP_COMPR_VOICE_TRIGGER 1
26 struct wm_adsp_region {
31 struct wm_adsp_alg_region {
32 struct list_head list;
39 struct wm_adsp_compr_buf;
46 struct regmap *regmap;
47 struct snd_soc_card *card;
54 struct list_head alg_regions;
57 unsigned int fw_id_version;
59 const struct wm_adsp_region *mem;
68 struct list_head ctl_list;
70 struct work_struct boot_work;
72 struct wm_adsp_compr *compr;
73 struct wm_adsp_compr_buf *buffer;
75 struct mutex pwr_lock;
77 #ifdef CONFIG_DEBUG_FS
78 struct dentry *debugfs_root;
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)
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 }
98 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
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,
110 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
111 struct snd_kcontrol *kcontrol, int event);
113 extern int wm_adsp_compr_open(struct wm_adsp *dsp,
114 struct snd_compr_stream *stream);
115 extern int wm_adsp_compr_free(struct snd_compr_stream *stream);
116 extern int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
117 struct snd_compr_params *params);
118 extern int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
119 struct snd_compr_caps *caps);
120 extern int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
121 extern int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
122 extern int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
123 struct snd_compr_tstamp *tstamp);
124 extern int wm_adsp_compr_copy(struct snd_compr_stream *stream,
125 char __user *buf, size_t count);