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Add register bit defines for as3514 and clean stuff up. Reduce poppiness at startup and shutdown (and even powerup for e200). Really, I can't honestly say it will help anything but an e200v1 but I'm sick of the noises. ;)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19214 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-11-25 16:16:06 +00:00
parent 2b39cb4b77
commit 3511d94031
5 changed files with 298 additions and 114 deletions
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24
firmware/target/arm/ascodec-pp.c
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@ -39,10 +39,6 @@ void audiohw_init(void)
DEV_INIT1 &=~0x3000000;
/*mini2?*/
/* device reset */
DEV_RS |= DEV_I2S;
DEV_RS &=~DEV_I2S;
/* I2S device reset */
DEV_RS |= DEV_I2S;
DEV_RS &=~DEV_I2S;
@ -56,11 +52,27 @@ void audiohw_init(void)
/* external dev clock to 24MHz */
outl(inl(0x70000018) & ~0xc, 0x70000018);
#ifdef SANSA_E200
/* Prevent pops on startup */
GPIOG_ENABLE |= 0x08;
GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, 0x08);
GPIOG_OUTPUT_EN |= 0x08;
#endif
i2s_reset();
audiohw_preinit();
}
void audiohw_postinit(void)
void ascodec_supressor_on(bool on)
{
}
#ifdef SANSA_E200
if (on) {
/* Set pop prevention */
GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, 0x08);
} else {
/* Release pop prevention */
GPIO_CLEAR_BITWISE(GPIOG_OUTPUT_VAL, 0x08);
}
#endif
}