#define EACS_VRA 1
#define EACS_VRM 8
-#define VOL_MASK 0x1f
#define MUTE_SHIFT 15
#define REC_MASK 7
AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
}
-#ifdef USE_MIXER
-static void set_volume (AC97LinkState *s, int index,
- audmixerctl_t mt, uint32_t val)
+static void get_volume (uint16_t vol, uint16_t mask, int inverse,
+ int *mute, uint8_t *lvol, uint8_t *rvol)
{
- int mute = (val >> MUTE_SHIFT) & 1;
- uint8_t rvol = VOL_MASK - (val & VOL_MASK);
- uint8_t lvol = VOL_MASK - ((val >> 8) & VOL_MASK);
- rvol = 255 * rvol / VOL_MASK;
- lvol = 255 * lvol / VOL_MASK;
-
-#ifdef SOFT_VOLUME
- if (index == AC97_Master_Volume_Mute) {
- AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
- }
- else {
- AUD_set_volume (mt, &mute, &lvol, &rvol);
- }
-#else
- AUD_set_volume (mt, &mute, &lvol, &rvol);
-#endif
+ *mute = (vol >> MUTE_SHIFT) & 1;
+ *rvol = (255 * (vol & mask)) / mask;
+ *lvol = (255 * ((vol >> 8) & mask)) / mask;
- rvol = VOL_MASK - ((VOL_MASK * rvol) / 255);
- lvol = VOL_MASK - ((VOL_MASK * lvol) / 255);
- mixer_store (s, index, val);
+ if (inverse) {
+ *rvol = 255 - *rvol;
+ *lvol = 255 - *lvol;
+ }
}
-static audrecsource_t ac97_to_aud_record_source (uint8_t i)
+static void update_combined_volume_out (AC97LinkState *s)
{
- switch (i) {
- case REC_MIC:
- return AUD_REC_MIC;
-
- case REC_CD:
- return AUD_REC_CD;
+ uint8_t lvol, rvol, plvol, prvol;
+ int mute, pmute;
- case REC_VIDEO:
- return AUD_REC_VIDEO;
+ get_volume (mixer_load (s, AC97_Master_Volume_Mute), 0x3f, 1,
+ &mute, &lvol, &rvol);
+ /* FIXME: should be 1f according to spec */
+ get_volume (mixer_load (s, AC97_PCM_Out_Volume_Mute), 0x3f, 1,
+ &pmute, &plvol, &prvol);
- case REC_AUX:
- return AUD_REC_AUX;
+ mute = mute | pmute;
+ lvol = (lvol * plvol) / 255;
+ rvol = (rvol * prvol) / 255;
- case REC_LINE_IN:
- return AUD_REC_LINE_IN;
-
- case REC_PHONE:
- return AUD_REC_PHONE;
-
- default:
- dolog ("Unknown record source %d, using MIC\n", i);
- return AUD_REC_MIC;
- }
+ AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
}
-static uint8_t aud_to_ac97_record_source (audrecsource_t rs)
+static void update_volume_in (AC97LinkState *s)
{
- switch (rs) {
- case AUD_REC_MIC:
- return REC_MIC;
-
- case AUD_REC_CD:
- return REC_CD;
-
- case AUD_REC_VIDEO:
- return REC_VIDEO;
-
- case AUD_REC_AUX:
- return REC_AUX;
+ uint8_t lvol, rvol;
+ int mute;
- case AUD_REC_LINE_IN:
- return REC_LINE_IN;
+ get_volume (mixer_load (s, AC97_Record_Gain_Mute), 0x0f, 0,
+ &mute, &lvol, &rvol);
- case AUD_REC_PHONE:
- return REC_PHONE;
+ AUD_set_volume_in (s->voice_pi, mute, lvol, rvol);
+}
- default:
- dolog ("Unknown audio recording source %d using MIC\n", rs);
- return REC_MIC;
+static void set_volume (AC97LinkState *s, int index, uint32_t val)
+{
+ mixer_store (s, index, val);
+ if (index == AC97_Master_Volume_Mute || index == AC97_PCM_Out_Volume_Mute) {
+ update_combined_volume_out (s);
+ } else if (index == AC97_Record_Gain_Mute) {
+ update_volume_in (s);
}
}
{
uint8_t rs = val & REC_MASK;
uint8_t ls = (val >> 8) & REC_MASK;
- audrecsource_t ars = ac97_to_aud_record_source (rs);
- audrecsource_t als = ac97_to_aud_record_source (ls);
- AUD_set_record_source (&als, &ars);
- rs = aud_to_ac97_record_source (ars);
- ls = aud_to_ac97_record_source (als);
mixer_store (s, AC97_Record_Select, rs | (ls << 8));
}
-#endif
static void mixer_reset (AC97LinkState *s)
{
mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
-#ifdef USE_MIXER
record_select (s, 0);
- set_volume (s, AC97_Master_Volume_Mute, AUD_MIXER_VOLUME , 0x8000);
- set_volume (s, AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM , 0x8808);
- set_volume (s, AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN, 0x8808);
-#endif
+ set_volume (s, AC97_Master_Volume_Mute, 0x8000);
+ set_volume (s, AC97_PCM_Out_Volume_Mute, 0x8808);
+ set_volume (s, AC97_Line_In_Volume_Mute, 0x8808);
+
reset_voices (s, active);
}
val |= mixer_load (s, index) & 0xf;
mixer_store (s, index, val);
break;
-#ifdef USE_MIXER
- case AC97_Master_Volume_Mute:
- set_volume (s, index, AUD_MIXER_VOLUME, val);
- break;
case AC97_PCM_Out_Volume_Mute:
- set_volume (s, index, AUD_MIXER_PCM, val);
- break;
+ case AC97_Master_Volume_Mute:
+ case AC97_Record_Gain_Mute:
case AC97_Line_In_Volume_Mute:
- set_volume (s, index, AUD_MIXER_LINE_IN, val);
+ set_volume (s, index, val);
break;
case AC97_Record_Select:
record_select (s, val);
break;
-#endif
case AC97_Vendor_ID1:
case AC97_Vendor_ID2:
dolog ("Attempt to write vendor ID to %#x\n", val);
uint8_t active[LAST_INDEX];
AC97LinkState *s = opaque;
-#ifdef USE_MIXER
record_select (s, mixer_load (s, AC97_Record_Select));
-#define V_(a, b) set_volume (s, a, b, mixer_load (s, a))
- V_ (AC97_Master_Volume_Mute, AUD_MIXER_VOLUME);
- V_ (AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM);
- V_ (AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN);
-#undef V_
-#endif
+ set_volume (s, AC97_Master_Volume_Mute,
+ mixer_load (s, AC97_Master_Volume_Mute));
+ set_volume (s, AC97_PCM_Out_Volume_Mute,
+ mixer_load (s, AC97_PCM_Out_Volume_Mute));
+ set_volume (s, AC97_Line_In_Volume_Mute,
+ mixer_load (s, AC97_Line_In_Volume_Mute));
+
active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM);
active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM);
active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM);