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-rw-r--r--apps/keymaps/keymap-yh8xx_yh9xx.c13
-rw-r--r--firmware/drivers/audio/ak4537.c104
-rw-r--r--firmware/export/ak4537.h11
-rw-r--r--firmware/export/config/samsungyh820.h2
-rw-r--r--firmware/export/config/samsungyh920.h2
-rw-r--r--firmware/export/config/samsungyh925.h2
6 files changed, 118 insertions, 16 deletions
diff --git a/apps/keymaps/keymap-yh8xx_yh9xx.c b/apps/keymaps/keymap-yh8xx_yh9xx.c
index db468a88b7..7125134d8c 100644
--- a/apps/keymaps/keymap-yh8xx_yh9xx.c
+++ b/apps/keymaps/keymap-yh8xx_yh9xx.c
@@ -253,17 +253,14 @@ static const struct button_mapping button_context_pitchscreen[] = {
static const struct button_mapping button_context_recscreen[] = {
{ ACTION_REC_PAUSE, BUTTON_PLAY|BUTTON_REL, BUTTON_NONE },
-#ifdef SAMSUNG_YH820
- /* the yh-820 has a rec button */
- { ACTION_REC_NEWFILE, BUTTON_REC, BUTTON_NONE },
-#else
- /* the yh-920 & yh-925 have a rec switch */
- { ACTION_REC_NEWFILE, BUTTON_PLAY|BUTTON_REPEAT, BUTTON_NONE },
-#endif
+ { ACTION_REC_NEWFILE, BUTTON_FFWD|BUTTON_REL, BUTTON_NONE },
+
+ { ACTION_STD_MENU, BUTTON_REC, BUTTON_NONE },
+ { ACTION_STD_MENU, BUTTON_REW|BUTTON_REPEAT, BUTTON_REW },
+ { ACTION_STD_CANCEL, BUTTON_REW|BUTTON_REL, BUTTON_NONE },
{ ACTION_SETTINGS_INC, BUTTON_RIGHT, BUTTON_NONE },
{ ACTION_SETTINGS_INCREPEAT, BUTTON_RIGHT|BUTTON_REPEAT, BUTTON_NONE },
-
{ ACTION_SETTINGS_DEC, BUTTON_LEFT, BUTTON_NONE },
{ ACTION_SETTINGS_DECREPEAT, BUTTON_LEFT|BUTTON_REPEAT, BUTTON_NONE },
diff --git a/firmware/drivers/audio/ak4537.c b/firmware/drivers/audio/ak4537.c
index 90d264e445..799bf83946 100644
--- a/firmware/drivers/audio/ak4537.c
+++ b/firmware/drivers/audio/ak4537.c
@@ -223,22 +223,116 @@ void audiohw_set_frequency(int fsel)
#if defined(HAVE_RECORDING)
void audiohw_enable_recording(bool source_mic)
{
- (void)source_mic;
+ if (source_mic)
+ {
+ /* enable mic power supply */
+#if defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
+ /* additionally select external mic */
+ akc_set(AK4537_MIC, MPWRE | MSEL);
+#else
+ akc_set(AK4537_MIC, MPWRI);
+#endif
+
+ /* mic out is connected to line1 input */
+ akc_clear(AK4537_PM3, INL | INR);
+
+ /* route ALC output to ADC input */
+ akc_set(AK4537_MIC, MICAD);
+ /* set ALC (automatic level control) to manual mode */
+ akc_clear(AK4537_ALC1, ALC1);
+ /* set gain control to 'dependent' (left&right at the same time) */
+ akc_clear(AK4537_MIC, IPGAC);
+ /* power up mic preamp, left channel ADC and line in */
+ akc_set(AK4537_PM1, PMMICL | PMIPGL | PMADL);
+ /* power up right channel ADC and line in */
+ akc_set(AK4537_PM3, PMADR | PMIPGR);
+ }
+ else
+ {
+ /* disable mic power supply */
+#if defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
+ akc_clear(AK4537_MIC, MPWRE);
+#else
+ akc_clear(AK4537_MIC, MPWRI);
+#endif
+ /* disable mic preamp */
+ akc_clear(AK4537_PM1, PMMICL);
+
+ /* Select line1 input */
+ akc_clear(AK4537_PM3, INL | INR);
+ /* route ALC output to ADC input */
+ akc_set(AK4537_MIC, MICAD);
+ /* set ALC (automatic level control) to manual mode */
+ akc_clear(AK4537_ALC1, ALC1);
+
+ /* set gain control to independent left & right gain */
+ akc_set(AK4537_MIC, IPGAC);
+
+ /* power up left channel input and ADC */
+ akc_set(AK4537_PM1, PMADL | PMIPGL);
+ /* power up right channel input and ADC */
+ akc_set(AK4537_PM3, PMADR | PMIPGR);
+ }
}
void audiohw_disable_recording(void)
{
+ /* disable mic power supply */
+#if defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
+ akc_clear(AK4537_MIC, MPWRE);
+#else
+ akc_clear(AK4537_MIC, MPWRI);
+#endif
+ /* power down ADC, mic preamp and line amp */
+ akc_clear(AK4537_PM1, PMADL | PMMICL | PMIPGL);
+ akc_clear(AK4537_PM3, PMADR | PMMICR | PMIPGR);
}
void audiohw_set_recvol(int left, int right, int type)
{
- (void)left;
- (void)right;
- (void)type;
+ switch (type)
+ {
+ case AUDIO_GAIN_MIC:
+ /* the mic preamp has a fixed gain of +15 dB. There's an additional
+ * activatable +20dB mic gain stage. The signal is then routed to
+ * the Line1 input, where you find the line attenuator with a range
+ * from -23.5 to +12dB, so we have a total gain range of -8.0 .. +47dB.
+ * NOTE: the datasheet state's different attenuator levels for mic and
+ * line input, but that's not precise. The +15dB difference result only
+ * from the mic stage.
+ * NOTE2: the mic is connected to the line1 input (via mic preamp),
+ * so if a line signal is present, you will always record a mixup.
+ */
+ /* If gain is > 20 dB we use the additional gain stage */
+ if (left > 20) {
+ akc_set(AK4537_MIC, MGAIN);
+ left -= 20;
+ }
+ else {
+ akc_clear(AK4537_MIC, MGAIN);
+ }
+ /* the remains is done by the line input amp */
+ left = (left+8)*2;
+ akc_write(AK4537_IPGAL, left);
+ break;
+ case AUDIO_GAIN_LINEIN:
+ /* convert dB to register value */
+ left = (left+23)*2+1;
+ right = (right+23)*2+1;
+ akc_write(AK4537_IPGAL, left);
+ akc_write(AK4537_IPGAR, right);
+ break;
+ default:
+ return;
+ }
}
void audiohw_set_monitor(bool enable)
{
- (void)enable;
+ if (enable)
+ /* mix input signal to headphone output */
+ akc_set(AK4537_SIGSEL2, MICL);
+ else
+ akc_clear(AK4537_SIGSEL2, MICL);
}
#endif /* HAVE_RECORDING */
diff --git a/firmware/export/ak4537.h b/firmware/export/ak4537.h
index d66205af7c..1c09b5aa2f 100644
--- a/firmware/export/ak4537.h
+++ b/firmware/export/ak4537.h
@@ -22,8 +22,19 @@
#ifndef _AK4537_H
#define _AK4537_H
+
+#define AUDIOHW_CAPS (LIN_GAIN_CAP | MIC_GAIN_CAP)
+
/* Volume goes from -127.0 ... 0 dB in 0.5 dB increments */
AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -128, 0, -25)
+#ifdef HAVE_RECORDING
+/* line input: -23 .. +12dB */
+AUDIOHW_SETTING(LEFT_GAIN, "dB", 0, 1, -23, 12, 0)
+AUDIOHW_SETTING(RIGHT_GAIN, "dB", 0, 1, -23, 12, 0)
+/* mic gain: +15dB fixed +20dB switchable mic preamp gain
+ and the line stage of -23..+12dB make a total range of -8..+47dB */
+AUDIOHW_SETTING(MIC_GAIN, "dB", 0, 1, -8, 47, 20)
+#endif /* HAVE_RECORDING */
#define AKC_NUM_REGS 0x11
diff --git a/firmware/export/config/samsungyh820.h b/firmware/export/config/samsungyh820.h
index 0b9c603850..5e4c79d3ab 100644
--- a/firmware/export/config/samsungyh820.h
+++ b/firmware/export/config/samsungyh820.h
@@ -7,7 +7,7 @@
#define MODEL_NAME "Samsung YH-820"
/* define this if you have recording possibility */
-/* todo #define HAVE_RECORDING */
+#define HAVE_RECORDING
/* Define bitmask of input sources - recordable bitmask can be defined
explicitly if different */
diff --git a/firmware/export/config/samsungyh920.h b/firmware/export/config/samsungyh920.h
index 04487bc2db..61e6bf0017 100644
--- a/firmware/export/config/samsungyh920.h
+++ b/firmware/export/config/samsungyh920.h
@@ -7,7 +7,7 @@
#define MODEL_NAME "Samsung YH-920"
/* define this if you have recording possibility */
-/* todo #define HAVE_RECORDING */
+#define HAVE_RECORDING
/* Define bitmask of input sources - recordable bitmask can be defined
explicitly if different */
diff --git a/firmware/export/config/samsungyh925.h b/firmware/export/config/samsungyh925.h
index aeb9cb6829..ad04f6c81e 100644
--- a/firmware/export/config/samsungyh925.h
+++ b/firmware/export/config/samsungyh925.h
@@ -7,7 +7,7 @@
#define MODEL_NAME "Samsung YH-925"
/* define this if you have recording possibility */
-/* todo #define HAVE_RECORDING */
+#define HAVE_RECORDING
/* Define bitmask of input sources - recordable bitmask can be defined
explicitly if different */
generated by cgit (git 2.34.1) at 2024-04-16 15:23:43 +0000