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authorJohannes Stezenbach <js@sig21.net>2011-11-14 17:23:17 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-14 21:34:14 +0000
commite012ba249171a205c5735a76b947bdae9cf34c6e (patch)
treebca3a151f4aa57d15acb060ab141b09769e2fd1b
parent8f9aa2526b4e799ee8242762e35cd8e2ca0788b2 (diff)
ASoC: sta32x: add platform data definition
Add a structure for platform specific configuration and use it, thereby removing a few FIXMEs which marked hard-coded values. Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--include/sound/sta32x.h34
-rw-r--r--sound/soc/codecs/sta32x.c30
2 files changed, 55 insertions, 9 deletions
diff --git a/include/sound/sta32x.h b/include/sound/sta32x.h
new file mode 100644
index 00000000000..45d7477c049
--- /dev/null
+++ b/include/sound/sta32x.h
@@ -0,0 +1,34 @@
+/*
+ * Platform data for ST STA32x ASoC codec driver.
+ *
+ * Copyright: 2011 Raumfeld GmbH
+ * Author: Johannes Stezenbach <js@sig21.net>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#ifndef __LINUX_SND__STA32X_H
+#define __LINUX_SND__STA32X_H
+
+#define STA32X_OCFG_2CH 0
+#define STA32X_OCFG_2_1CH 1
+#define STA32X_OCFG_1CH 3
+
+#define STA32X_OM_CH1 0
+#define STA32X_OM_CH2 1
+#define STA32X_OM_CH3 2
+
+#define STA32X_THERMAL_ADJUSTMENT_ENABLE 1
+#define STA32X_THERMAL_RECOVERY_ENABLE 2
+
+struct sta32x_platform_data {
+ int output_conf;
+ int ch1_output_mapping;
+ int ch2_output_mapping;
+ int ch3_output_mapping;
+ int thermal_conf;
+};
+
+#endif /* __LINUX_SND__STA32X_H */
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index d2f37152f94..97091e3b9a0 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -35,6 +35,7 @@
#include <sound/initval.h>
#include <sound/tlv.h>
+#include <sound/sta32x.h>
#include "sta32x.h"
#define STA32X_RATES (SNDRV_PCM_RATE_32000 | \
@@ -73,6 +74,7 @@ static const char *sta32x_supply_names[] = {
struct sta32x_priv {
struct regulator_bulk_data supplies[ARRAY_SIZE(sta32x_supply_names)];
struct snd_soc_codec *codec;
+ struct sta32x_platform_data *pdata;
unsigned int mclk;
unsigned int format;
@@ -775,9 +777,10 @@ static int sta32x_resume(struct snd_soc_codec *codec)
static int sta32x_probe(struct snd_soc_codec *codec)
{
struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- int i, ret = 0;
+ int i, ret = 0, thermal = 0;
sta32x->codec = codec;
+ sta32x->pdata = dev_get_platdata(codec->dev);
/* regulators */
for (i = 0; i < ARRAY_SIZE(sta32x->supplies); i++)
@@ -820,25 +823,34 @@ static int sta32x_probe(struct snd_soc_codec *codec)
snd_soc_cache_write(codec, STA32X_AUTO3, 0x00);
snd_soc_cache_write(codec, STA32X_C3CFG, 0x40);
- /* FIXME enable thermal warning adjustment and recovery */
+ /* set thermal warning adjustment and recovery */
+ if (!(sta32x->pdata->thermal_conf & STA32X_THERMAL_ADJUSTMENT_ENABLE))
+ thermal |= STA32X_CONFA_TWAB;
+ if (!(sta32x->pdata->thermal_conf & STA32X_THERMAL_RECOVERY_ENABLE))
+ thermal |= STA32X_CONFA_TWRB;
snd_soc_update_bits(codec, STA32X_CONFA,
- STA32X_CONFA_TWAB | STA32X_CONFA_TWRB, 0);
+ STA32X_CONFA_TWAB | STA32X_CONFA_TWRB,
+ thermal);
- /* FIXME select 2.1 mode */
+ /* select output configuration */
snd_soc_update_bits(codec, STA32X_CONFF,
STA32X_CONFF_OCFG_MASK,
- 1 << STA32X_CONFF_OCFG_SHIFT);
+ sta32x->pdata->output_conf
+ << STA32X_CONFF_OCFG_SHIFT);
- /* FIXME channel to output mapping */
+ /* channel to output mapping */
snd_soc_update_bits(codec, STA32X_C1CFG,
STA32X_CxCFG_OM_MASK,
- 0 << STA32X_CxCFG_OM_SHIFT);
+ sta32x->pdata->ch1_output_mapping
+ << STA32X_CxCFG_OM_SHIFT);
snd_soc_update_bits(codec, STA32X_C2CFG,
STA32X_CxCFG_OM_MASK,
- 1 << STA32X_CxCFG_OM_SHIFT);
+ sta32x->pdata->ch2_output_mapping
+ << STA32X_CxCFG_OM_SHIFT);
snd_soc_update_bits(codec, STA32X_C3CFG,
STA32X_CxCFG_OM_MASK,
- 2 << STA32X_CxCFG_OM_SHIFT);
+ sta32x->pdata->ch3_output_mapping
+ << STA32X_CxCFG_OM_SHIFT);
/* initialize coefficient shadow RAM with reset values */
for (i = 4; i <= 49; i += 5)