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Gigabeat S: Implement an SDMA API and use it in the PCM driver. Some other miscellaneous adjustments to recording and PCM buffer to accomodate use of physical addresses and cache coherency.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19949 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2009-02-08 22:32:41 +00:00
parent 0222d0a5eb
commit 94537f954e
21 changed files with 3002 additions and 141 deletions
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4
apps/recorder/pcm_record.c
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@ -1148,8 +1148,8 @@ static void pcmrec_init(void)
buffer = audio_get_recording_buffer(&rec_buffer_size);
/* Line align pcm_buffer 2^4=16 bytes */
pcm_buffer = (unsigned char *)ALIGN_UP_P2((uintptr_t)buffer, 4);
/* Line align pcm_buffer 2^5=32 bytes */
pcm_buffer = (unsigned char *)ALIGN_UP_P2((uintptr_t)buffer, 5);
enc_buffer = pcm_buffer + ALIGN_UP_P2(PCM_NUM_CHUNKS*PCM_CHUNK_SIZE +
PCM_MAX_FEED_SIZE, 2);
/* Adjust available buffer for possible align advancement */