Iriver: Moved the handling of the UDA1380 split gain (analog preamp + decimator gain) into the UDA driver. * All: Settings structure sorted & cleaned up.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9927 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 27 insertions, 32 deletions

diff --git a/firmware/drivers/uda1380.c b/firmware/drivers/uda1380.c
index e787c1c..5a0ecf0 100644
--- a/firmware/drivers/uda1380.c
+++ b/firmware/drivers/uda1380.c
@@ -29,6 +29,7 @@
 #include "file.h"
 #include "buffer.h"
 #include "audio.h"
+#include "logf.h"
 
 #include "i2c-coldfire.h"
 #include "uda1380.h"
@@ -255,27 +256,37 @@ void uda1380_disable_recording(void)
 /**
  * Set recording gain and volume
  * 
- * type:                    params:        ranges:
- * AUDIO_GAIN_MIC           left              0 .. 15 ->   0 .. 30 dB gain
- * AUDIO_GAIN_LINEIN        left & right      0 ..  8 ->   0 .. 24 dB gain
- * AUDIO_GAIN_DECIMATOR     left & right   -128 .. 48 -> -64 .. 24 dB gain
+ * type:                params:        ranges:
+ * AUDIO_GAIN_MIC:      left           -128 .. 108 -> -64 .. 54 dB gain
+ * AUDIO_GAIN_LINEIN    left & right   -128 ..  96 -> -64 .. 48 dB gain
  *
  * Note: For all types the value 0 gives 0 dB gain.
  */
 void uda1380_set_recvol(int left, int right, int type)
 {
+    int left_ag, right_ag;
+
     switch (type)
     {
-        case AUDIO_GAIN_MIC: 
-            uda1380_write_reg(REG_ADC, (uda1380_regs[REG_ADC] & ~VGA_GAIN_MASK) | VGA_GAIN(left));
+        case AUDIO_GAIN_MIC:
+            left_ag = MIN(MAX(0, left / 4), 15);
+            left -= left_ag * 4;
+            uda1380_write_reg(REG_ADC, (uda1380_regs[REG_ADC] & ~VGA_GAIN_MASK) 
+                                        | VGA_GAIN(left_ag));
+            uda1380_write_reg(REG_DEC_VOL, DEC_VOLL(left) | DEC_VOLR(left));
+            logf("Mic: %dA/%dD", left_ag, left);
         break;
         
         case AUDIO_GAIN_LINEIN:
-            uda1380_write_reg(REG_PGA, (uda1380_regs[REG_PGA] & ~PGA_GAIN_MASK) | PGA_GAINL(left) | PGA_GAINR(right));
-        break;
-        
-        case AUDIO_GAIN_DECIMATOR:
+            left_ag = MIN(MAX(0, left / 6), 8);
+            left -= left_ag * 6;
+            right_ag = MIN(MAX(0, right / 6), 8);
+            right -= right_ag * 6;
+            uda1380_write_reg(REG_PGA, (uda1380_regs[REG_PGA] & ~PGA_GAIN_MASK)
+                                        | PGA_GAINL(left_ag) | PGA_GAINR(right_ag));
             uda1380_write_reg(REG_DEC_VOL, DEC_VOLL(left) | DEC_VOLR(right));
+            logf("Line L: %dA/%dD", left_ag, left);
+            logf("Line R: %dA/%dD", right_ag, right);
         break;
     }
 }
diff --git a/firmware/export/audio.h b/firmware/export/audio.h
index b44bb91..9e3499e 100644
--- a/firmware/export/audio.h
+++ b/firmware/export/audio.h
@@ -35,7 +35,6 @@
 
 #define AUDIO_GAIN_LINEIN    0
 #define AUDIO_GAIN_MIC       1
-#define AUDIO_GAIN_DECIMATOR 2   /* for UDA1380 */
 
 
 struct audio_debug
diff --git a/firmware/export/sound.h b/firmware/export/sound.h
index dae124d..a49cb99 100644
--- a/firmware/export/sound.h
+++ b/firmware/export/sound.h
@@ -41,10 +41,6 @@ enum {
     SOUND_RIGHT_GAIN,
     SOUND_MIC_GAIN,
 #endif
-#if defined(HAVE_UDA1380)
-    SOUND_DECIMATOR_LEFT_GAIN,
-    SOUND_DECIMATOR_RIGHT_GAIN,
-#endif
 };
 
 enum {
diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c
index 0a70494..ea444a3 100644
--- a/firmware/pcm_record.c
+++ b/firmware/pcm_record.c
@@ -348,12 +348,11 @@ void audio_set_recording_options(int frequency, int quality,
  * Note that microphone is mono, only left value is used 
  * See uda1380_set_recvol() for exact ranges.
  *
- * @param type   0=line-in (radio), 1=mic, 2=ADC
+ * @param type   0=line-in (radio), 1=mic
  * 
  */
 void audio_set_recording_gain(int left, int right, int type)
 {
-    //logf("rcmrec: t=%d l=%d r=%d", type, left, right);
     uda1380_set_recvol(left, right, type);
 }
 
diff --git a/firmware/sound.c b/firmware/sound.c
index 7768afd..057cfc0 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -108,11 +108,9 @@ static const struct sound_settings_info sound_settings_table[] = {
     [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,   0,  15,   8, NULL},
     [SOUND_MIC_GAIN]      = {"dB", 1,  1,   0,  15,   2, NULL},
 #elif defined(HAVE_UDA1380)
-    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,   0,   8,   8, NULL},
-    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,   0,   8,   8, NULL},
-    [SOUND_MIC_GAIN]      = {"dB", 1,  1,   0,  15,   2, NULL},
-    [SOUND_DECIMATOR_LEFT_GAIN] = {"dB", 1,  1,-128,  48,   0, NULL},
-    [SOUND_DECIMATOR_RIGHT_GAIN]= {"dB", 1,  1,-128,  48,   0, NULL},
+    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0, NULL},
+    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0, NULL},
+    [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16, NULL},
 #endif
 };
 
@@ -894,19 +892,11 @@ int sound_val2phys(int setting, int value)
     {
         case SOUND_LEFT_GAIN:
         case SOUND_RIGHT_GAIN:
-            result = value * 30;        /* (24/8) *10 */
-            break;
-
         case SOUND_MIC_GAIN:
-            result = value * 20;        /* (30/15) *10 */
-            break;
-            
-        case SOUND_DECIMATOR_LEFT_GAIN:
-        case SOUND_DECIMATOR_RIGHT_GAIN:
-            result = value * 5;         /* (1/2) *10 */
+            result = value * 5;         /* (1/2) * 10 */
             break;
 
-       default:
+        default:
             result = value;
             break;
     }