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[ALSA] oxygen: make all DMA channels configurable

Sfoglia il codice sorgente 
Allow the card models to specify whether each of the hardware DMA
channels is used.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Clemens Ladisch
2008-01-16 08:30:38 +01:00
committato da Jaroslav Kysela
parent 84aa6b7ba7
commit e85e09250a
4 ha cambiato i file con 64 aggiunte e 26 eliminazioni
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72
sound/pci/oxygen/oxygen_pcm.c
Vedi File

@@ -681,15 +681,22 @@ static void oxygen_pcm_free(struct snd_pcm *pcm)
int __devinit oxygen_pcm_init(struct oxygen *chip)
{
struct snd_pcm *pcm;
int outs, ins;
int err;
err = snd_pcm_new(chip->card, "Analog", 0, 1, 1, &pcm);
outs = 1; /* OXYGEN_CHANNEL_MULTICH is always used */
ins = !!(chip->model->used_channels & (OXYGEN_CHANNEL_A |
OXYGEN_CHANNEL_B));
err = snd_pcm_new(chip->card, "Analog", 0, outs, ins, &pcm);
if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_multich_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
chip->model->record_from_dma_b ?
&oxygen_rec_b_ops : &oxygen_rec_a_ops);
if (chip->model->used_channels & OXYGEN_CHANNEL_A)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&oxygen_rec_a_ops);
else if (chip->model->used_channels & OXYGEN_CHANNEL_B)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&oxygen_rec_b_ops);
pcm->private_data = chip;
pcm->private_free = oxygen_pcm_free;
strcpy(pcm->name, "Analog");
@@ -697,32 +704,51 @@ int __devinit oxygen_pcm_init(struct oxygen *chip)
SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
512 * 1024, 2048 * 1024);
snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
128 * 1024, 256 * 1024);
err = snd_pcm_new(chip->card, "Digital", 1, 1, 1, &pcm);
if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_spdif_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &oxygen_rec_c_ops);
pcm->private_data = chip;
pcm->private_free = oxygen_pcm_free;
strcpy(pcm->name, "Digital");
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
if (ins)
snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
128 * 1024, 256 * 1024);
if (chip->has_ac97_1) {
err = snd_pcm_new(chip->card, "AC97", 2, 1, 0, &pcm);
outs = !!(chip->model->used_channels & OXYGEN_CHANNEL_SPDIF);
ins = !!(chip->model->used_channels & OXYGEN_CHANNEL_C);
if (outs | ins) {
err = snd_pcm_new(chip->card, "Digital", 1, outs, ins, &pcm);
if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&oxygen_ac97_ops);
if (outs)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&oxygen_spdif_ops);
if (ins)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&oxygen_rec_c_ops);
pcm->private_data = chip;
pcm->private_free = oxygen_pcm_free;
strcpy(pcm->name, "Front Panel");
strcpy(pcm->name, "Digital");
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
128 * 1024, 256 * 1024);
}
outs = chip->has_ac97_1 &&
(chip->model->used_channels & OXYGEN_CHANNEL_AC97);
ins = (chip->model->used_channels & (OXYGEN_CHANNEL_A |
OXYGEN_CHANNEL_B))
== (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B);
if (outs | ins) {
err = snd_pcm_new(chip->card, ins ? "Analog2" : "AC97",
2, outs, ins, &pcm);
if (err < 0)
return err;
if (outs)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&oxygen_ac97_ops);
if (ins)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&oxygen_rec_b_ops);
pcm->private_data = chip;
pcm->private_free = oxygen_pcm_free;
strcpy(pcm->name, ins ? "Analog 2" : "Front Panel");
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
128 * 1024, 256 * 1024);