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 struct wm_adsp_region {
27 struct wm_adsp_alg_region {
28 struct list_head list;
35 struct wm_adsp_compr_buf;
42 struct regmap *regmap;
43 struct snd_soc_card *card;
50 struct list_head alg_regions;
53 unsigned int fw_id_version;
55 const struct wm_adsp_region *mem;
62 struct list_head ctl_list;
64 struct work_struct boot_work;
66 struct wm_adsp_compr *compr;
67 struct wm_adsp_compr_buf *buffer;
69 struct mutex pwr_lock;
71 #ifdef CONFIG_DEBUG_FS
72 struct dentry *debugfs_root;
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)
83 #define WM_ADSP2(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 }
91 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
93 int wm_adsp1_init(struct wm_adsp *dsp);
94 int wm_adsp2_init(struct wm_adsp *dsp);
95 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
96 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
97 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
98 struct snd_kcontrol *kcontrol, int event);
99 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
100 struct snd_kcontrol *kcontrol, int event,
102 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
103 struct snd_kcontrol *kcontrol, int event);
105 extern int wm_adsp_compr_open(struct wm_adsp *dsp,
106 struct snd_compr_stream *stream);
107 extern int wm_adsp_compr_free(struct snd_compr_stream *stream);
108 extern int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
109 struct snd_compr_params *params);
110 extern int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
111 struct snd_compr_caps *caps);
112 extern int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
113 extern int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
114 extern int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
115 struct snd_compr_tstamp *tstamp);
116 extern int wm_adsp_compr_copy(struct snd_compr_stream *stream,
117 char __user *buf, size_t count);