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Finally get packed samples to work in a nice way on H10 in IIS mode. Add some more register defs.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15026 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-10-07 20:14:32 +00:00
parent 1de497228a
commit 4512f1a14f
3 changed files with 22 additions and 14 deletions

View file

@ -29,11 +29,12 @@
of working settings. DMA-compatible settings should be found for here, i2s,
and codec setup using "arithmetic" the hardware supports like halfword
swapping. Try to use 32-bit packed in IIS modes if possible. */
#if defined(SANSA_C200) || defined(SANSA_E200)
#if defined(SANSA_C200) || defined(SANSA_E200) \
|| defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
/* 16-bit, L-R packed into 32 bits with left in the least significant halfword */
#define SAMPLE_SIZE 16
#define TRANSFER_SIZE 32
#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
#elif 0
/* 16-bit, one left 16-bit sample followed by one right 16-bit sample */
#define SAMPLE_SIZE 16
#define TRANSFER_SIZE 16
@ -204,10 +205,10 @@ void fiq_playback(void)
}
#if SAMPLE_SIZE == 16
#if TRANSFER_SIZE == 16
IISFIFO_WRH = *dma_play_data.p++;
IISFIFO_WRH = *dma_play_data.p++;
IISFIFO_WRH = *dma_play_data.p++;
IISFIFO_WRH = *dma_play_data.p++;
#elif TRANSFER_SIZE == 32
IISFIFO_WR = *dma_play_data.p++;
IISFIFO_WR = *dma_play_data.p++;
#endif
#elif SAMPLE_SIZE == 32
IISFIFO_WR = *dma_play_data.p++ << 16;
@ -294,8 +295,8 @@ static void play_stop_pcm(void)
void pcm_play_dma_start(const void *addr, size_t size)
{
dma_play_data.p = (void *)addr;
dma_play_data.size = size;
dma_play_data.p = (void *)(((uintptr_t)addr + 2) & ~3);
dma_play_data.size = (size & ~3);
#if NUM_CORES > 1
/* This will become more important later - and different ! */