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Merge branch 'topic/adsp' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-arizona

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This commit is contained in:
Mark Brown 2012-11-28 17:45:57 +00:00
commit 0644128556
2 changed files with 100 additions and 2 deletions
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97
sound/soc/codecs/wm_adsp.c
View File

@ -18,6 +18,7 @@
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@ -102,8 +103,9 @@
#define ADSP1_START_SHIFT 0 /* DSP1_START */
#define ADSP1_START_WIDTH 1 /* DSP1_START */
#define ADSP2_CONTROL 0
#define ADSP2_STATUS1 4
#define ADSP2_CONTROL 0
#define ADSP2_CLOCKING 1
#define ADSP2_STATUS1 4
/*
* ADSP2 Control
@ -126,6 +128,13 @@
#define ADSP2_START_SHIFT 0 /* DSP1_START */
#define ADSP2_START_WIDTH 1 /* DSP1_START */
/*
* ADSP2 clocking
*/
#define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
#define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
#define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
/*
* ADSP2 Status 1
*/
@ -530,10 +539,41 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
struct snd_soc_codec *codec = w->codec;
struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
struct wm_adsp *dsp = &dsps[w->shift];
unsigned int val;
int ret;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (dsp->dvfs) {
ret = regmap_read(dsp->regmap,
dsp->base + ADSP2_CLOCKING, &val);
if (ret != 0) {
dev_err(dsp->dev,
"Failed to read clocking: %d\n", ret);
return ret;
}
if (val & ADSP2_CLK_SEL_MASK >= 3) {
ret = regulator_enable(dsp->dvfs);
if (ret != 0) {
dev_err(dsp->dev,
"Failed to enable supply: %d\n",
ret);
return ret;
}
ret = regulator_set_voltage(dsp->dvfs,
1800000,
1800000);
if (ret != 0) {
dev_err(dsp->dev,
"Failed to raise supply: %d\n",
ret);
return ret;
}
}
}
ret = wm_adsp2_ena(dsp);
if (ret != 0)
return ret;
@ -556,6 +596,21 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
case SND_SOC_DAPM_PRE_PMD:
regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
ADSP2_SYS_ENA | ADSP2_START, 0);
if (dsp->dvfs) {
ret = regulator_set_voltage(dsp->dvfs, 1200000,
1800000);
if (ret != 0)
dev_warn(dsp->dev,
"Failed to lower supply: %d\n",
ret);
ret = regulator_disable(dsp->dvfs);
if (ret != 0)
dev_err(dsp->dev,
"Failed to enable supply: %d\n",
ret);
}
break;
default:
@ -569,3 +624,41 @@ err:
return ret;
}
EXPORT_SYMBOL_GPL(wm_adsp2_event);
int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
{
int ret;
if (dvfs) {
adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
if (IS_ERR(adsp->dvfs)) {
ret = PTR_ERR(adsp->dvfs);
dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
return ret;
}
ret = regulator_enable(adsp->dvfs);
if (ret != 0) {
dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
ret);
return ret;
}
ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
if (ret != 0) {
dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
ret);
return ret;
}
ret = regulator_disable(adsp->dvfs);
if (ret != 0) {
dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
ret);
return ret;
}
}
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_init);

5
sound/soc/codecs/wm_adsp.h
View File

@ -18,6 +18,8 @@
#include "wmfw.h"
struct regulator;
struct wm_adsp_region {
int type;
unsigned int base;
@ -34,6 +36,8 @@ struct wm_adsp {
const struct wm_adsp_region *mem;
int num_mems;
struct regulator *dvfs;
};
#define WM_ADSP1(wname, num) \
@ -46,6 +50,7 @@ struct wm_adsp {
.shift = num, .event = wm_adsp2_event, \
.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
int wm_adsp1_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event);
int wm_adsp2_event(struct snd_soc_dapm_widget *w,