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Commit FS#9076, unification of PCF-initialization for iPod Video and nano. The nano's runtime will increase by about 45min.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17721 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2008-06-14 22:22:51 +00:00
parent 80af160fbf
commit 3d40144e34
1 changed files with 25 additions and 10 deletions
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35
firmware/drivers/pcf50605.c
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@ -76,25 +76,40 @@ void pcf50605_standby_mode(void)
void pcf50605_init(void) void pcf50605_init(void)
{ {
#if defined (IPOD_VIDEO) #if (defined (IPOD_VIDEO) || defined (IPOD_NANO))
/* I/O and GPO voltage supply (default: 0xf8 = 3.3V ON) */ /* I/O and GPO voltage supply. ECO not allowed regarding data sheet. Defaults:
/* ECO not allowed regarding data sheet */ * iPod Video = 0xf8 = 3.3V ON
pcf50605_write(PCF5060X_IOREGC, 0xf8); /* 3.3V ON */ * iPod nano = 0xf5 = 3.0V ON */
pcf50605_write(PCF5060X_IOREGC, 0xf5); /* 3.0V ON */
/* core voltage supply (default DCDC1/DCDC2: 0xec = 1.2V ON) */ /* Core voltage supply. ECO not stable, assumed due to less precision of
/* ECO not stable, assumed due to less precision of voltage in ECO mode */ * voltage in ECO mode. DCDC2 is not relevant as this may be used for
* voltage scaling. Default is 1.2V ON for PP5022/PP5024 */
pcf50605_write(PCF5060X_DCDC1, 0xec); /* 1.2V ON */ pcf50605_write(PCF5060X_DCDC1, 0xec); /* 1.2V ON */
pcf50605_write(PCF5060X_DCDC2, 0x0c); /* OFF */ pcf50605_write(PCF5060X_DCDC2, 0x0c); /* OFF */
/* unknown (default: 0xe3 = 1.8V ON) */ /* Unknown. Defaults:
* iPod Video = 0xe3 = 1.8V ON
* iPod nano = 0xe3 = 1.8V ON */
pcf50605_write(PCF5060X_DCUDC1, 0xe3); /* 1.8V ON */ pcf50605_write(PCF5060X_DCUDC1, 0xe3); /* 1.8V ON */
/* WM8758 voltage supply (default: 0xf5 = 3.0V ON) */ /* Codec voltage supply. ECO not allowed as max. current of 5mA is not
/* ECO not allowed as max. current of 5mA is not sufficient */ * sufficient. Defaults:
* iPod Video = 0xf5 = 3.0V ON
* iPod nano = 0xef = 2.4V ON */
pcf50605_write(PCF5060X_D1REGC1, 0xf0); /* 2.5V ON */ pcf50605_write(PCF5060X_D1REGC1, 0xf0); /* 2.5V ON */
/* LCD voltage supply (default: 0xf5 = 3.0V ON) */ /* PCF5060X_D2REGC1 is set in accordance to the accessory power setting */
/* LCD voltage supply. Defaults:
* iPod Video = 0xf5 = 3.0V ON
* iPod nano = 0xf5 = 3.0V ON */
pcf50605_write(PCF5060X_D3REGC1, 0xf1); /* 2.6V ON */ pcf50605_write(PCF5060X_D3REGC1, 0xf1); /* 2.6V ON */
/* PCF5060X_LPREGC1 is leaved untouched as the setting varies over the
* different iPod platforms. Defaults:
* iPod Video = 0x1f = 0ff
* iPod nano = 0xf6 = 3.1V ON */
#else #else
/* keep initialization from svn for other iPods */ /* keep initialization from svn for other iPods */
pcf50605_write(PCF5060X_D1REGC1, 0xf5); /* 3.0V ON */ pcf50605_write(PCF5060X_D1REGC1, 0xf5); /* 3.0V ON */