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Make Ipod Nano use packed 16 bit IIS FIFO transfers as well.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15040 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2007-10-08 21:20:06 +00:00
parent f35d2e38fe
commit eb1e35f6af
2 changed files with 3 additions and 2 deletions
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3
firmware/target/arm/i2s-pp.c
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@ -70,7 +70,8 @@ void i2s_reset(void)
IISCLK = (IISCLK & ~0x1ff) | 33; IISCLK = (IISCLK & ~0x1ff) | 33;
IISDIV = 7; IISDIV = 7;
IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE16); IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE16);
#elif defined (IRIVER_H10) || defined (IRIVER_H10_5GB) #elif defined (IRIVER_H10) || defined (IRIVER_H10_5GB) || defined(IPOD_NANO)
/* Nano works fine with IIS_FIFO_FORMAT_LE16 as well */
IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE16_2); IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE16_2);
#else #else
IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE32); IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE32);

2
firmware/target/arm/pcm-pp.c
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@ -30,7 +30,7 @@
and codec setup using "arithmetic" the hardware supports like halfword and codec setup using "arithmetic" the hardware supports like halfword
swapping. Try to use 32-bit packed in IIS modes if possible. */ 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) || defined(IRIVER_H10) || defined(IRIVER_H10_5GB) || defined(IPOD_NANO)
/* 16-bit, L-R packed into 32 bits with left in the least significant halfword */ /* 16-bit, L-R packed into 32 bits with left in the least significant halfword */
#define SAMPLE_SIZE 16 #define SAMPLE_SIZE 16
#define TRANSFER_SIZE 32 #define TRANSFER_SIZE 32