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authorTakashi Iwai <tiwai@suse.de>2011-05-03 16:50:51 +0200
committerTakashi Iwai <tiwai@suse.de>2011-05-03 16:50:51 +0200
commit972505ccde9a3bdc8455f4cf3d3f37d17f8f10a3 (patch)
tree1de7203fad25ae6bd672993f8e0bac03c2473544 /sound/pci
parentfe3d393eda2a716c2ea7fcd63e105657911ed245 (diff)
ALSA: lola - Use SG-buffer
Completely switch to SG-buffer now, as it's working stably. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/lola/lola.c1
-rw-r--r--sound/pci/lola/lola_pcm.c26
2 files changed, 4 insertions, 23 deletions
diff --git a/sound/pci/lola/lola.c b/sound/pci/lola/lola.c
index 7c13ace3c33..3d2516b11f2 100644
--- a/sound/pci/lola/lola.c
+++ b/sound/pci/lola/lola.c
@@ -588,7 +588,6 @@ static int __devinit lola_create(struct snd_card *card, struct pci_dev *pci,
chip->irq = -1;
chip->sample_rate_min = sample_rate_min[dev];
-
chip->granularity = granularity[dev];
/* FIXME */
if (chip->granularity != LOLA_GRANULARITY_MAX) {
diff --git a/sound/pci/lola/lola_pcm.c b/sound/pci/lola/lola_pcm.c
index ef738e6c991..dc2e811dcb3 100644
--- a/sound/pci/lola/lola_pcm.c
+++ b/sound/pci/lola/lola_pcm.c
@@ -26,28 +26,10 @@
#include <sound/pcm.h>
#include "lola.h"
-/* #define USE_SG_BUFFER */
-
#define LOLA_MAX_BDL_ENTRIES 8
#define LOLA_MAX_BUF_SIZE (1024*1024*1024)
#define LOLA_BDL_ENTRY_SIZE (16 * 16)
-#ifdef USE_SG_BUFFER
-#define get_addr(substream, ofs) \
- snd_pcm_sgbuf_get_addr(substream, ofs)
-#define get_size(substream, ofs, size) \
- snd_pcm_sgbuf_get_chunk_size(substream, ofs, size)
-#define ops_page snd_pcm_sgbuf_ops_page
-#define PREALLOC_TYPE SNDRV_DMA_TYPE_DEV_SG
-#else
-#define get_addr(substream, ofs) \
- ((substream)->runtime->dma_addr + ofs)
-#define get_size(substream, ofs, size) \
- (size)
-#define ops_page NULL
-#define PREALLOC_TYPE SNDRV_DMA_TYPE_DEV
-#endif
-
static struct lola_pcm *lola_get_pcm(struct snd_pcm_substream *substream)
{
struct lola *chip = snd_pcm_substream_chip(substream);
@@ -276,12 +258,12 @@ static int setup_bdle(struct snd_pcm_substream *substream,
if (str->frags >= LOLA_MAX_BDL_ENTRIES)
return -EINVAL;
- addr = get_addr(substream, ofs);
+ addr = snd_pcm_sgbuf_get_addr(substream, ofs);
/* program the address field of the BDL entry */
bdl[0] = cpu_to_le32((u32)addr);
bdl[1] = cpu_to_le32(upper_32_bits(addr));
/* program the size field of the BDL entry */
- chunk = get_size(substream, ofs, size);
+ chunk = snd_pcm_sgbuf_get_chunk_size(substream, ofs, size);
bdl[2] = cpu_to_le32(chunk);
/* program the IOC to enable interrupt
* only when the whole fragment is processed
@@ -530,7 +512,7 @@ static struct snd_pcm_ops lola_pcm_ops = {
.prepare = lola_pcm_prepare,
.trigger = lola_pcm_trigger,
.pointer = lola_pcm_pointer,
- .page = ops_page,
+ .page = snd_pcm_sgbuf_ops_page,
};
int __devinit lola_create_pcm(struct lola *chip)
@@ -559,7 +541,7 @@ int __devinit lola_create_pcm(struct lola *chip)
snd_pcm_set_ops(pcm, i, &lola_pcm_ops);
}
/* buffer pre-allocation */
- snd_pcm_lib_preallocate_pages_for_all(pcm, PREALLOC_TYPE,
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(chip->pci),
1024 * 64, 32 * 1024 * 1024);
return 0;