#define snd_pcm_chip(pcm) ((pcm)->private_data)
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
-#include "pcm_oss.h"
+#include <sound/pcm_oss.h>
#endif
/*
unsigned long hw_ptr_jiffies; /* Time when hw_ptr is updated */
unsigned long hw_ptr_buffer_jiffies; /* buffer time in jiffies */
snd_pcm_sframes_t delay; /* extra delay; typically FIFO size */
+ u64 hw_ptr_wrap; /* offset for hw_ptr due to boundary wrap-around */
/* -- HW params -- */
snd_pcm_access_t access; /* access mode */
_snd_pcm_lib_alloc_vmalloc_buffer \
(subs, size, GFP_KERNEL | GFP_DMA32 | __GFP_ZERO)
+#define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)
+
#ifdef CONFIG_SND_DMA_SGBUF
/*
* SG-buffer handling
*/
#define snd_pcm_substream_sgbuf(substream) \
- ((substream)->runtime->dma_buffer_p->private_data)
-
-static inline dma_addr_t
-snd_pcm_sgbuf_get_addr(struct snd_pcm_substream *substream, unsigned int ofs)
-{
- struct snd_sg_buf *sg = snd_pcm_substream_sgbuf(substream);
- return snd_sgbuf_get_addr(sg, ofs);
-}
-
-static inline void *
-snd_pcm_sgbuf_get_ptr(struct snd_pcm_substream *substream, unsigned int ofs)
-{
- struct snd_sg_buf *sg = snd_pcm_substream_sgbuf(substream);
- return snd_sgbuf_get_ptr(sg, ofs);
-}
+ snd_pcm_get_dma_buf(substream)->private_data
struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
unsigned long offset);
-unsigned int snd_pcm_sgbuf_get_chunk_size(struct snd_pcm_substream *substream,
- unsigned int ofs, unsigned int size);
-
#else /* !SND_DMA_SGBUF */
/*
* fake using a continuous buffer
*/
+#define snd_pcm_sgbuf_ops_page NULL
+#endif /* SND_DMA_SGBUF */
+
static inline dma_addr_t
snd_pcm_sgbuf_get_addr(struct snd_pcm_substream *substream, unsigned int ofs)
{
- return substream->runtime->dma_addr + ofs;
+ return snd_sgbuf_get_addr(snd_pcm_get_dma_buf(substream), ofs);
}
static inline void *
snd_pcm_sgbuf_get_ptr(struct snd_pcm_substream *substream, unsigned int ofs)
{
- return substream->runtime->dma_area + ofs;
+ return snd_sgbuf_get_ptr(snd_pcm_get_dma_buf(substream), ofs);
}
-#define snd_pcm_sgbuf_ops_page NULL
-
-#define snd_pcm_sgbuf_get_chunk_size(subs, ofs, size) (size)
-
-#endif /* SND_DMA_SGBUF */
+static inline unsigned int
+snd_pcm_sgbuf_get_chunk_size(struct snd_pcm_substream *substream,
+ unsigned int ofs, unsigned int size)
+{
+ return snd_sgbuf_get_chunk_size(snd_pcm_get_dma_buf(substream), ofs, size);
+}
/* handle mmap counter - PCM mmap callback should handle this counter properly */
static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area)