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Philips SA9200: initialize i2c, i2s, and as3514 as the OF does. Fixes clicks/pops heard when reading the adc.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22101 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mark Arigo 2009-08-01 17:51:00 +00:00
parent 4e7517dfb1
commit fc570147e6
3 changed files with 20 additions and 0 deletions
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5
firmware/drivers/audio/as3514.c
View file

@ -182,8 +182,13 @@ void audiohw_preinit(void)
as3514_write(AS3514_HPH_OUT_L, as3514_write(AS3514_HPH_OUT_L,
HPH_OUT_L_HP_ON | HPH_OUT_L_HP_MUTE | 0x00); HPH_OUT_L_HP_ON | HPH_OUT_L_HP_MUTE | 0x00);
#ifdef PHILIPS_SA9200
/* LRCK 8-23kHz (there are audible clicks while reading the ADC otherwise) */
as3514_write(AS3514_PLLMODE, PLLMODE_LRCK_8_23);
#else
/* LRCK 24-48kHz */ /* LRCK 24-48kHz */
as3514_write(AS3514_PLLMODE, PLLMODE_LRCK_24_48); as3514_write(AS3514_PLLMODE, PLLMODE_LRCK_24_48);
#endif
/* DAC_Mute_off */ /* DAC_Mute_off */
as3514_set(AS3514_DAC_L, DAC_L_DAC_MUTE_off); as3514_set(AS3514_DAC_L, DAC_L_DAC_MUTE_off);

7
firmware/target/arm/i2c-pp.c
View file

@ -299,6 +299,13 @@ void i2c_init(void)
outl(0x1e, 0x600060a4); outl(0x1e, 0x600060a4);
ascodec_write(AS3514_SUPERVISOR, 5); ascodec_write(AS3514_SUPERVISOR, 5);
#elif defined(PHILIPS_SA9200)
outl(0x0, 0x600060a4);
outl(inl(0x600060a4) | 0x20, 0x600060a4);
outl(inl(0x7000c020) | 0x3, 0x7000c020);
outl(0x55, 0x7000c02c);
outl(0x54, 0x7000c030);
#endif #endif
#endif #endif

8
firmware/target/arm/i2s-pp.c
View file

@ -63,9 +63,17 @@ void i2s_reset(void)
#ifdef HAVE_AS3514 #ifdef HAVE_AS3514
/* AS3514 can only operate as I2S Slave */ /* AS3514 can only operate as I2S Slave */
IISCONFIG |= IIS_MASTER; IISCONFIG |= IIS_MASTER;
/* Set I2S to 44.1kHz */ /* Set I2S to 44.1kHz */
#ifdef PHILIPS_SA9200
/* values taken from the SA9200 OF */
IISCLK = (IISCLK & ~0x1ff) | 31;
IISDIV = (IISDIV & ~0xc0000000) | (2 << 30);
IISDIV = (IISDIV & ~0x3f) | 16;
#else
IISCLK = (IISCLK & ~0x1ff) | 33; IISCLK = (IISCLK & ~0x1ff) | 33;
IISDIV = 7; IISDIV = 7;
#endif
#endif /* HAVE_AS3514 */ #endif /* HAVE_AS3514 */
IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE16_2); IISCONFIG = ((IISCONFIG & ~IIS_FIFO_FORMAT_MASK) | IIS_FIFO_FORMAT_LE16_2);