@@ -312,6 +312,30 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
spin_unlock_irqrestore(&emu->reg_lock, flags);
}
+static void snd_emu10k1_pcm_init_voices(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_voice *evoice,
+ bool w_16, bool stereo,
+ unsigned int start_addr,
+ unsigned int end_addr,
+ struct snd_emu10k1_pcm_mixer *mix)
+{
+ snd_emu10k1_pcm_init_voice(emu, 1, 0, evoice, w_16, stereo,
+ start_addr, end_addr, mix);
+ if (stereo)
+ snd_emu10k1_pcm_init_voice(emu, 0, 0, evoice + 1, w_16, true,
+ start_addr, end_addr, mix);
+}
+
+static void snd_emu10k1_pcm_init_extra_voice(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_voice *evoice,
+ bool w_16,
+ unsigned int start_addr,
+ unsigned int end_addr)
+{
+ snd_emu10k1_pcm_init_voice(emu, 1, 1, evoice, w_16, false,
+ start_addr, end_addr, NULL);
+}
+
static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
@@ -393,18 +417,15 @@ static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
start_addr = epcm->start_addr >> w_16;
end_addr = start_addr + runtime->period_size;
- snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, w_16, false,
- start_addr, end_addr, NULL);
+ snd_emu10k1_pcm_init_extra_voice(emu, epcm->extra, w_16,
+ start_addr, end_addr);
start_addr >>= stereo;
epcm->ccca_start_addr = start_addr;
end_addr = start_addr + runtime->buffer_size;
- snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], w_16, stereo,
- start_addr, end_addr,
- &emu->pcm_mixer[substream->number]);
- if (stereo)
- snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[0] + 1, w_16, true,
- start_addr, end_addr,
- &emu->pcm_mixer[substream->number]);
+ snd_emu10k1_pcm_init_voices(emu, epcm->voices[0], w_16, stereo,
+ start_addr, end_addr,
+ &emu->pcm_mixer[substream->number]);
+
return 0;
}
@@ -421,8 +442,8 @@ static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
channel_size = runtime->buffer_size;
- snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, true, false,
- start_addr, start_addr + (channel_size / 2), NULL);
+ snd_emu10k1_pcm_init_extra_voice(emu, epcm->extra, true,
+ start_addr, start_addr + (channel_size / 2));
epcm->ccca_start_addr = start_addr;
for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
@@ -598,12 +619,31 @@ static void snd_emu10k1_playback_unmute_voice(struct snd_emu10k1 *emu,
snd_emu10k1_playback_commit_volume(emu, evoice, vattn);
}
+static void snd_emu10k1_playback_unmute_voices(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_voice *evoice,
+ bool stereo,
+ struct snd_emu10k1_pcm_mixer *mix)
+{
+ snd_emu10k1_playback_unmute_voice(emu, evoice, stereo, true, mix);
+ if (stereo)
+ snd_emu10k1_playback_unmute_voice(emu, evoice + 1, true, false, mix);
+}
+
static void snd_emu10k1_playback_mute_voice(struct snd_emu10k1 *emu,
struct snd_emu10k1_voice *evoice)
{
snd_emu10k1_playback_commit_volume(emu, evoice, 0);
}
+static void snd_emu10k1_playback_mute_voices(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_voice *evoice,
+ bool stereo)
+{
+ snd_emu10k1_playback_mute_voice(emu, evoice);
+ if (stereo)
+ snd_emu10k1_playback_mute_voice(emu, evoice + 1);
+}
+
static void snd_emu10k1_playback_commit_pitch(struct snd_emu10k1 *emu,
u32 voice, u32 pitch_target)
{
@@ -680,22 +720,18 @@ static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
mix = &emu->pcm_mixer[substream->number];
- snd_emu10k1_playback_unmute_voice(emu, epcm->voices[0], stereo, true, mix);
- if (stereo)
- snd_emu10k1_playback_unmute_voice(emu, epcm->voices[0] + 1, true, false, mix);
+ snd_emu10k1_playback_unmute_voices(emu, epcm->voices[0], stereo, mix);
snd_emu10k1_playback_set_running(emu, epcm);
snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0]);
snd_emu10k1_playback_trigger_voice(emu, epcm->extra);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
snd_emu10k1_playback_stop_voice(emu, epcm->extra);
snd_emu10k1_playback_set_stopped(emu, epcm);
- snd_emu10k1_playback_mute_voice(emu, epcm->voices[0]);
- if (stereo)
- snd_emu10k1_playback_mute_voice(emu, epcm->voices[0] + 1);
+ snd_emu10k1_playback_mute_voices(emu, epcm->voices[0], stereo);
break;
default:
result = -EINVAL;
This adds snd_emu10k1_pcm_init_{voices,extra_voice}() and snd_emu10k1_playback_{un,}mute_voices() to slightly abstract by voice function and potential stereo property. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> --- sound/pci/emu10k1/emupcm.c | 70 +++++++++++++++++++++++++++++--------- 1 file changed, 53 insertions(+), 17 deletions(-)