Re: [Gumstix-users] AC97 Header

[TheSin <th...@so...>]

okay I think I found it, there was no oscillation from the crystal, didn't have a 33pF cap so I used 2 22s instead of one 22 an done 33, so I'm gonna go get a 33 see if that fixes things.
---
TS
http://southofheaven.org/
Chaos is the beginning and end, try dealing with the rest.

On 2010-03-23, at 10:42 AM, TheSin wrote:

> okay following this and the Audiostix schematics I built a board, when I boot this is what I'm seeing, is there an easy answer for this?
> 
> dmesg
> 
> <6>ASoC version 0.13.0
> <6>AC97 SoC Audio Codec 0.6
> <6>asoc: AC97 HiFi <-> pxa2xx-ac97 mapping ok
> <6>pxa2xx_ac97_cold_reset: cold reset timeout (GSR=0x0)
> <3>pxa2xx_ac97_read: read error (ac97_reg=2c GSR=0x80466)
> <4>No IRQF_TRIGGER set_type function for IRQ 0 (SC)
> <7>UCB1400: found IRQ 0
> <7>UCB1400: x/y = 1/797
> <6>input: UCB1400 touchscreen interface as /class/input/input0
> <4>driver_bound: device 0-0:AC97 already bound
> 
> 
> lsmod
> 
> snd_pcm_oss            38592  0 
> snd_mixer_oss          14592  1 snd_pcm_oss
> snd_soc_gumstix         1700  0 
> snd_soc_ac97            2624  1 snd_soc_gumstix
> snd_ac97_codec        102572  1 snd_soc_ac97
> snd_soc_pxa2xx_ac97     6116  2 snd_soc_gumstix,snd_soc_ac97
> snd_soc_pxa2xx          4320  1 snd_soc_gumstix
> snd_soc_core           26464  2 snd_soc_ac97,snd_soc_pxa2xx
> snd_pcm                63237  4 snd_pcm_oss,snd_ac97_codec,snd_soc_pxa2xx,snd_soc_core
> snd_timer              19108  1 snd_pcm
> snd                    45204  6 snd_pcm_oss,snd_mixer_oss,snd_ac97_codec,snd_soc_core,snd_pcm,snd_timer
> soundcore               6052  1 snd
> snd_page_alloc          5832  1 snd_pcm
> ucb1400_ts              6180  0 
> ac97_bus                1792  3 snd_ac97_codec,snd_soc_core,ucb1400_ts
> 
> cat /proc/asound/cards
> 
> 0 [Gumstix        ]: AC97 - Gumstix
>                      Gumstix (AC97)
> 
> ---
> TS
> http://southofheaven.org/
> Chaos is the beginning and end, try dealing with the rest.
> 
> On 2010-03-15, at 3:40 PM, Dave Hylands wrote:
> 
>> Hi,
>> 
>> On Mon, Mar 15, 2010 at 1:33 PM, TheSin <th...@so...> wrote:
>>> I have searched and searched and I can't find the pinout for the AC97 header on the Console(16)-vx board.  And everyone online doc I find for AC97 headers are 10 pin and this one is an 8pin, I just want to get a normal head phone hooked up to it for development, can someone lead me in the right direct as google isn't helping me nor is the searches on gumstix.org/net
>> 
>> Looking at the schematics, there is an 8-pin header with the following pinout:
>> 1 - GND
>> 2 - X_BIT_CLK
>> 3 - SDATA_IN0
>> 4 - CLK_32
>> 5 - SDATA_OUT
>> 6 - NACRESET
>> 7 - VCC
>> 8 - SYNC
>> 
>> You won't be able to connect a normal headphone up to it. The AC97 bus
>> is a type of serial bus designed to connect to chips like the UCB1400
>> on the audiostix board. The headphones connect to the UCB1400.
>> 
>> -- 
>> Dave Hylands
>> Shuswap, BC, Canada
>> http://www.DaveHylands.com/
>> 
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>