devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

FS#12519 - iPod Classic/6G: swap L-R audio channels by Cástor Muñoz

Browse source 
Fixes swapped left and right channels on ipod 6g and changes the
i2s config to send samples as 16 bits instead of 16 zero padded to
24 bits to the dac.

Change-Id: Icfecfdf0f6868bdb01c11dced604ebfceb874aa1
Signed-off-by: Nils Wallménius <nils@rockbox.org>
This commit is contained in:
Cástor Muñoz 2012-02-25 14:21:24 +01:00 • committed by Nils Wallménius
parent 31a05953e1
commit 8c7d372e45
1 changed files with 4 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

9
firmware/target/arm/s5l8702/pcm-s5l8702.c
View file

@ -71,7 +71,7 @@ void INT_DMAC0C0(void)
if (!pcm_remaining)
{
pcm_lli->nextlli = NULL;
pcm_lli->control = 0x75249000;
pcm_lli->control = 0x7524a000;
commit_dcache();
return;
}
@ -92,7 +92,7 @@ void INT_DMAC0C0(void)
pcm_lli[i].srcaddr = (void*)dataptr;
pcm_lli[i].dstaddr = (void*)((int)&I2STXDB0);
pcm_lli[i].nextlli = chunksize ? &pcm_lli[i + 1] : lastlli;
pcm_lli[i].control = (chunksize ? 0x75249000 : 0xf5249000) | (thislli / 2);
pcm_lli[i].control = (chunksize ? 0x7524a000 : 0xf524a000) | (thislli / 2);
dataptr += thislli;
i++;
}
@ -105,7 +105,7 @@ void INT_DMAC0C0(void)
else lastlli->srcaddr = dataptr;
lastlli->dstaddr = (void*)((int)&I2STXDB0);
lastlli->nextlli = last ? NULL : pcm_lli;
lastlli->control = (last ? 0xf5249000 : 0x75249000) | (lastsize / 2);
lastlli->control = (last ? 0xf524a000 : 0x7524a000) | (lastsize / 2);
dataptr += lastsize;
commit_dcache();
if (!(DMAC0C0CONFIG & 1) && (pcm_lli[0].control & 0xfff))
@ -123,7 +123,6 @@ void pcm_play_dma_start(const void* addr, size_t size)
dataptr = (const unsigned char*)addr;
pcm_remaining = size;
I2STXCOM = 0xe;
DMAC0CONFIG |= 4;
INT_DMAC0C0();
}
@ -145,7 +144,7 @@ void pcm_play_dma_init(void)
PWRCON(0) &= ~(1 << 4);
PWRCON(1) &= ~(1 << 7);
I2S40 = 0x110;
I2STXCON = 0xb100059;
I2STXCON = 0xb100019;
I2SCLKCON = 1;
VIC0INTENABLE = 1 << IRQ_DMAC0;