diff options
author | Clemens Ladisch <clemens@ladisch.de> | 2008-01-16 07:30:38 (GMT) |
---|---|---|
committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 16:30:00 (GMT) |
commit | e85e09250ab552fab6925bcde7c77746101b2d40 (patch) | |
tree | 4ca130f7c846aaa8069d7d71a91ceabf2f5af22b /sound/pci/oxygen/oxygen_pcm.c | |
parent | 84aa6b7ba746e6f637444d0e14a9b75c0b49a612 (diff) | |
download | linux-fsl-qoriq-e85e09250ab552fab6925bcde7c77746101b2d40.tar.xz |
[ALSA] oxygen: make all DMA channels configurable
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>
Diffstat (limited to 'sound/pci/oxygen/oxygen_pcm.c')
-rw-r--r-- | sound/pci/oxygen/oxygen_pcm.c | 72 |
1 files changed, 49 insertions, 23 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c index 0f67def..5f15d35 100644 --- a/sound/pci/oxygen/oxygen_pcm.c +++ b/sound/pci/oxygen/oxygen_pcm.c @@ -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; + 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, "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; - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &oxygen_ac97_ops); + 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, "Front Panel"); + 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); |