diff options
| author | Dylan Reid <dgreid@chromium.org> | 2014-02-28 15:41:20 -0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-03-01 11:21:51 +0100 |
| commit | b419b35be45f858830e9e0e44741d8de91b3df07 (patch) | |
| tree | fdfd1a9ff1008c8dd3c9e0180fd0dd5aa36f404c /sound/pci/hda/hda_priv.h | |
| parent | e62a42aebd7c97977d8ae0bca8de40d26254a1cd (diff) | |
ALSA: hda - Move snd page allocation to ops
Break out the allocation of pages for DMA and PCM buffers to ops in
the chip structure. This is done to allow for architecture specific
work-arounds to be added. Currently mark_pages_wc is used by
hda_intel. This avoids needing to move that x86-specific code to a
common area shared with hda platform drivers.
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_priv.h')
| -rw-r--r-- | sound/pci/hda/hda_priv.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_priv.h b/sound/pci/hda/hda_priv.h index 0a56e8e18a5..10bcec12731 100644 --- a/sound/pci/hda/hda_priv.h +++ b/sound/pci/hda/hda_priv.h @@ -298,6 +298,17 @@ struct hda_controller_ops { u8 (*readb)(u8 *addr); /* Disable msi if supported, PCI only */ int (*disable_msi_reset_irq)(struct azx *); + /* Allocation ops */ + int (*dma_alloc_pages)(struct azx *chip, + int type, + size_t size, + struct snd_dma_buffer *buf); + void (*dma_free_pages)(struct azx *chip, struct snd_dma_buffer *buf); + int (*substream_alloc_pages)(struct azx *chip, + struct snd_pcm_substream *substream, + size_t size); + int (*substream_free_pages)(struct azx *chip, + struct snd_pcm_substream *substream); }; struct azx_pcm { |