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-rw-r--r--firmware/drivers/audio/mas35xx.c98
-rw-r--r--firmware/export/audiohw.h20
-rw-r--r--firmware/sound.c102
3 files changed, 126 insertions, 94 deletions
diff --git a/firmware/drivers/audio/mas35xx.c b/firmware/drivers/audio/mas35xx.c
index 813b02e1ca..dac890ddc8 100644
--- a/firmware/drivers/audio/mas35xx.c
+++ b/firmware/drivers/audio/mas35xx.c
@@ -22,6 +22,7 @@
#include "config.h"
#include "audiohw.h"
+#include "mas.h"
const struct sound_settings_info audiohw_settings[] = {
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
@@ -52,3 +53,100 @@ const struct sound_settings_info audiohw_settings[] = {
[SOUND_MIC_GAIN] = {"dB", 1, 1, 0, 15, 2},
#endif
};
+
+
+int channel_configuration = SOUND_CHAN_STEREO;
+int stereo_width = 100;
+
+
+static void set_channel_config(void)
+{
+ /* default values: stereo */
+ unsigned long val_ll = 0x80000;
+ unsigned long val_lr = 0;
+ unsigned long val_rl = 0;
+ unsigned long val_rr = 0x80000;
+
+ switch(channel_configuration)
+ {
+ /* case SOUND_CHAN_STEREO unnecessary */
+
+ case SOUND_CHAN_MONO:
+ val_ll = 0xc0000;
+ val_lr = 0xc0000;
+ val_rl = 0xc0000;
+ val_rr = 0xc0000;
+ break;
+
+ case SOUND_CHAN_CUSTOM:
+ {
+ /* fixed point variables (matching MAS internal format)
+ integer part: upper 13 bits (inlcuding sign)
+ fractional part: lower 19 bits */
+ long fp_width, fp_straight, fp_cross;
+
+ fp_width = (stereo_width << 19) / 100;
+ if (stereo_width <= 100)
+ {
+ fp_straight = - ((1<<19) + fp_width) / 2;
+ fp_cross = fp_straight + fp_width;
+ }
+ else
+ {
+ /* straight = - (1 + width) / (2 * width) */
+ fp_straight = - ((((1<<19) + fp_width) / (fp_width >> 9)) << 9);
+ fp_cross = (1<<19) + fp_straight;
+ }
+ val_ll = val_rr = fp_straight & 0xfffff;
+ val_lr = val_rl = fp_cross & 0xfffff;
+ }
+ break;
+
+ case SOUND_CHAN_MONO_LEFT:
+ val_ll = 0x80000;
+ val_lr = 0x80000;
+ val_rl = 0;
+ val_rr = 0;
+ break;
+
+ case SOUND_CHAN_MONO_RIGHT:
+ val_ll = 0;
+ val_lr = 0;
+ val_rl = 0x80000;
+ val_rr = 0x80000;
+ break;
+
+ case SOUND_CHAN_KARAOKE:
+ val_ll = 0xc0000;
+ val_lr = 0x40000;
+ val_rl = 0x40000;
+ val_rr = 0xc0000;
+ break;
+ }
+
+#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+ mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LL, &val_ll, 1); /* LL */
+ mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LR, &val_lr, 1); /* LR */
+ mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RL, &val_rl, 1); /* RL */
+ mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RR, &val_rr, 1); /* RR */
+#elif CONFIG_CODEC == MAS3507D
+ mas_writemem(MAS_BANK_D1, 0x7f8, &val_ll, 1); /* LL */
+ mas_writemem(MAS_BANK_D1, 0x7f9, &val_lr, 1); /* LR */
+ mas_writemem(MAS_BANK_D1, 0x7fa, &val_rl, 1); /* RL */
+ mas_writemem(MAS_BANK_D1, 0x7fb, &val_rr, 1); /* RR */
+#endif
+}
+
+void audiohw_set_channel(int val)
+{
+ channel_configuration = val;
+ set_channel_config();
+}
+
+void audiohw_set_stereo_width(int val)
+{
+ stereo_width = val;
+ if (channel_configuration == SOUND_CHAN_CUSTOM) {
+ set_channel_config();
+ }
+}
diff --git a/firmware/export/audiohw.h b/firmware/export/audiohw.h
index a4ff75c22c..73c50b8412 100644
--- a/firmware/export/audiohw.h
+++ b/firmware/export/audiohw.h
@@ -160,4 +160,24 @@ void audiohw_set_monitor(bool enable);
#endif /*HAVE_RECORDING*/
+
+#if CONFIG_CODEC != SWCODEC
+
+/* functions which are only used by mas35xx codecs, but are also
+ aviable on SWCODECS through dsp */
+
+/**
+ * Set channel configuration.
+ * @param val new channel value (see enum Channel).
+ */
+void audiohw_set_channel(int val);
+
+/**
+ * Set stereo width.
+ * @param val new stereo width value.
+ */
+void audiohw_set_stereo_width(int val);
+
+#endif /* CONFIG_CODEC != SWCODEC */
+
#endif /* _AUDIOHW_H_ */
diff --git a/firmware/sound.c b/firmware/sound.c
index 189cdd05e7..748ddd833e 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -300,94 +300,9 @@ static void set_prescaled_volume(void)
#endif /* (CONFIG_CODEC == MAS3507D) || defined HAVE_UDA1380 */
#endif /* !SIMULATOR */
-#if CONFIG_CODEC != SWCODEC
-int channel_configuration = SOUND_CHAN_STEREO;
-int stereo_width = 100;
-#endif
#ifndef SIMULATOR
-#if CONFIG_CODEC != SWCODEC
-static void set_channel_config(void)
-{
- /* default values: stereo */
- unsigned long val_ll = 0x80000;
- unsigned long val_lr = 0;
- unsigned long val_rl = 0;
- unsigned long val_rr = 0x80000;
-
- switch(channel_configuration)
- {
- /* case SOUND_CHAN_STEREO unnecessary */
-
- case SOUND_CHAN_MONO:
- val_ll = 0xc0000;
- val_lr = 0xc0000;
- val_rl = 0xc0000;
- val_rr = 0xc0000;
- break;
-
- case SOUND_CHAN_CUSTOM:
- {
- /* fixed point variables (matching MAS internal format)
- integer part: upper 13 bits (inlcuding sign)
- fractional part: lower 19 bits */
- long fp_width, fp_straight, fp_cross;
-
- fp_width = (stereo_width << 19) / 100;
- if (stereo_width <= 100)
- {
- fp_straight = - ((1<<19) + fp_width) / 2;
- fp_cross = fp_straight + fp_width;
- }
- else
- {
- /* straight = - (1 + width) / (2 * width) */
- fp_straight = - ((((1<<19) + fp_width) / (fp_width >> 9)) << 9);
- fp_cross = (1<<19) + fp_straight;
- }
- val_ll = val_rr = fp_straight & 0xfffff;
- val_lr = val_rl = fp_cross & 0xfffff;
- }
- break;
-
- case SOUND_CHAN_MONO_LEFT:
- val_ll = 0x80000;
- val_lr = 0x80000;
- val_rl = 0;
- val_rr = 0;
- break;
-
- case SOUND_CHAN_MONO_RIGHT:
- val_ll = 0;
- val_lr = 0;
- val_rl = 0x80000;
- val_rr = 0x80000;
- break;
-
- case SOUND_CHAN_KARAOKE:
- val_ll = 0xc0000;
- val_lr = 0x40000;
- val_rl = 0x40000;
- val_rr = 0xc0000;
- break;
- }
-
-#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
- mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LL, &val_ll, 1); /* LL */
- mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LR, &val_lr, 1); /* LR */
- mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RL, &val_rl, 1); /* RL */
- mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RR, &val_rr, 1); /* RR */
-#elif CONFIG_CODEC == MAS3507D
- mas_writemem(MAS_BANK_D1, 0x7f8, &val_ll, 1); /* LL */
- mas_writemem(MAS_BANK_D1, 0x7f9, &val_lr, 1); /* LR */
- mas_writemem(MAS_BANK_D1, 0x7fa, &val_rl, 1); /* RL */
- mas_writemem(MAS_BANK_D1, 0x7fb, &val_rr, 1); /* RR */
-#endif
-}
-
-#endif /* CONFIG_CODEC != SWCODEC */
-
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
unsigned long mdb_shape_shadow = 0;
unsigned long loudness_shadow = 0;
@@ -494,26 +409,25 @@ void sound_set_treble(int value)
void sound_set_channels(int value)
{
+ if(!audio_is_initialized)
+ return;
+
#if CONFIG_CODEC == SWCODEC
dsp_callback(DSP_CALLBACK_SET_CHANNEL_CONFIG, value);
#else
- if(!audio_is_initialized)
- return;
- channel_configuration = value;
- set_channel_config();
+ audiohw_set_channel(value);
#endif
}
void sound_set_stereo_width(int value)
{
+ if(!audio_is_initialized)
+ return;
+
#if CONFIG_CODEC == SWCODEC
dsp_callback(DSP_CALLBACK_SET_STEREO_WIDTH, value);
#else
- if(!audio_is_initialized)
- return;
- stereo_width = value;
- if (channel_configuration == SOUND_CHAN_CUSTOM)
- set_channel_config();
+ audiohw_set_stereo_width(value);
#endif
}