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973838a030
Some ADSP devices can make use of DVFS to optimise power consumption depending on the operating frequency of the DSP core. Implement support for this in the generic ADSP code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* wm_adsp.h -- Wolfson ADSP support
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*
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* Copyright 2012 Wolfson Microelectronics plc
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*
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __WM_ADSP_H
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#define __WM_ADSP_H
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include "wmfw.h"
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struct regulator;
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struct wm_adsp_region {
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int type;
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unsigned int base;
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};
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struct wm_adsp {
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const char *part;
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int num;
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int type;
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struct device *dev;
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struct regmap *regmap;
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int base;
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const struct wm_adsp_region *mem;
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int num_mems;
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struct regulator *dvfs;
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};
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#define WM_ADSP1(wname, num) \
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{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
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.shift = num, .event = wm_adsp1_event, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
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#define WM_ADSP2(wname, num) \
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{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
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.shift = num, .event = wm_adsp2_event, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
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int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
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int wm_adsp1_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event);
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int wm_adsp2_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event);
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#endif
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