Atheros AR9565 detected, not working

Adrian Chadd adrian at freebsd.org
Sat Jan 10 22:44:08 UTC 2015 

Yup, it doesn't pick up the config options (like enabling 11n) in the
kernel config. That's turned into opt_xxx.h header files in a kernel
build directory.



-a


On 10 January 2015 at 13:11, Anthony Jenkins <scoobi_doo at yahoo.com> wrote:
> Ahhh... "make" in the module dir, not good?  I've since done a kernel build
> and I noticed it's not showing up (as much).  Why would building the kernel
> module that way cause that behavior?
>
> Anthony
>
> ________________________________
> From: Adrian Chadd <adrian at freebsd.org>
> To: Anthony Jenkins <Anthony.B.Jenkins at att.net>
> Cc: Anthony Jenkins <Scoobi_doo at yahoo.com>; "wireless at freebsd.org"
> <wireless at freebsd.org>
> Sent: Friday, January 9, 2015 4:00 PM
>
> Subject: Re: Atheros AR9565 detected, not working
>
> Hm, are you buliding as a module by doing "make" in the module dir? or
> by doing a buildkernel?
>
>
>
> -a
>
>
>
>
> On 7 January 2015 at 21:10, Anthony Jenkins <Anthony.B.Jenkins at att.net>
> wrote:
>> Removing just the ar9300_enable_rf_kill() bit works too, but now ath(4)
>> endlessly spews
>>
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=3, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=0, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=1, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=0, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=2, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=0, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=1, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=0, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=2, nbufs=128?
>>    ath0: ath_edma_rxbuf_alloc: nothing on rxbuf?!
>>    ath0: ath_edma_rxfifo_alloc: Q1: alloc failed: i=0, nbufs=128?
>>
>> Also changed GPIO patch to not block/just/ pin 11 ops instead of all pins
>> as in previous patch, but if allowing all pins is kosher I'd prefer that.
>>
>> Anthony
>>
>> On 01/07/2015 09:08, Anthony Jenkins wrote:
>>> Hi Adrian,
>>>
>>> Just letting you know I haven't died in a shootout with the US FBI or
>>> anything, just been working on (and suprisingly fixing) issues with my HP
>>> Envy Sleekbook 6 since the holidays.  I'll be cleaning up my patches and
>>> posting to the wiki this week (hopefully).  Also still sitting on that ACPI
>>> patch for the RTC CMOS handler.
>>>
>>>> So, would you mind trying your patch again but only with the bits that
>>>> allow the GPIO pins to be enabled? If that works, then I'll commit
>>>> that
>>> Just to be clear, instead of commenting out the early exits in the GPIO
>>> readers/writers for certain GPIO addresses, I should selectively give the
>>> AR9565 a pass?  ...or do you want me to /just/ comment out the early exits,
>>> and revert the added call to ar9300_enable_rf_kill() and see if that works?
>>> I don't like those early exit bits anyway...
>>>> In parallel I'm going to have to tidy up the rfkill capability
>>>> API to correctly set bits - I'll likely expand the field in the driver
>>>> and have the pre-AR9300 chipset code error out if an out-of-bounds
>>>> gpio value is sent.
>>> Excellent!  Anything I can help with?  We /have/ an rfkill API?
>>> ...because I need some way to connect my newly-fixed laptop wifi-enable key
>>> to some function to enable/disable the radios.  Right now I'm just throwing
>>> an event over to devd(8).
>>>
>>> Thanks,
>>> Anthony
>>>
>>> On 12/23/2014 13:06, Adrian Chadd wrote:
>>>> On 22 December 2014 at 14:57, Adrian Chadd <adrian at freebsd.org> wrote:
>>>>
>>>>> Ok, let me go see what's going on.
>>>> I dislike when I say "let me see what's going on" and then I .. see
>>>> what's going on.
>>>>
>>>> So:
>>>>
>>>> * the ar5212 HAL does the right thing - it checks the rfkill setup in
>>>> ar5212Reset() and enables it if required
>>>> * it also populates the rfkill data from EEPROM at attach time
>>>> * the sysctl code just grabs the rfkill /eeprom field/ and .. well,
>>>> that's the API. So I have to see if that's the same for the AR9300 or
>>>> not. Grr.
>>>>
>>>> Well, it kinda is:
>>>>
>>>> ar9300eep.h:#define EEP_RFSILENT_ENABLED        0x0001  /* bit 0:
>>>> enabled/disabled */
>>>> ar9300eep.h:#define EEP_RFSILENT_ENABLED_S      0      /* bit 0:
>>>> enabled/disabled */
>>>> ar9300eep.h:#define EEP_RFSILENT_POLARITY      0x0002  /* bit 1:
>>>> polarity */
>>>> ar9300eep.h:#define EEP_RFSILENT_POLARITY_S    1      /* bit 1: polarity
>>>> */
>>>> ar9300eep.h:#define EEP_RFSILENT_GPIO_SEL      0x00fc  /* bits 2..7:
>>>> gpio PIN */
>>>> ar9300eep.h:#define EEP_RFSILENT_GPIO_SEL_S    2      /* bits 2..7:
>>>> gpio PIN */
>>>>
>>>> .. but on the AR5212:
>>>>
>>>> ../ah_eeprom_v1.h:#define AR_EEPROM_RFSILENT_GPIO_SEL    0x001c
>>>> ../ah_eeprom_v1.h:#define AR_EEPROM_RFSILENT_GPIO_SEL_S    2
>>>> ../ah_eeprom_v1.h:#define AR_EEPROM_RFSILENT_POLARITY    0x0002
>>>> ../ah_eeprom_v1.h:#define AR_EEPROM_RFSILENT_POLARITY_S    1
>>>> ../ah_eeprom_v3.h:#define    AR_EEPROM_RFSILENT    0x0f    /* RF
>>>> Silent/Clock Run Enable */
>>>> ../ah_eeprom_v3.h:#define AR_EEPROM_RFSILENT_GPIO_SEL    0x001c
>>>> ../ah_eeprom_v3.h:#define AR_EEPROM_RFSILENT_GPIO_SEL_S    2
>>>> ../ah_eeprom_v3.h:#define AR_EEPROM_RFSILENT_POLARITY    0x0002
>>>> ../ah_eeprom_v3.h:#define AR_EEPROM_RFSILENT_POLARITY_S    1
>>>>
>>>> .. so more bits are available on the ar9300. I have to check the
>>>> AR5416 too; maybe more bits are also available there.
>>>>
>>>> Grr!
>>>>
>>>> * Then, the Ar5212 is doing it in ar5212Reset(), but ar5416Reset()
>>>> isn't doing it! So I'm going to have to go and hook that up for the
>>>> AR5416, AR9160, AR9280, AR9285, AR9287. Ugh.
>>>>
>>>> * the ar9300 HAL on -HEAD has this in ar9300_reset():
>>>>
>>>>    /* Reset ier reference count to disabled */
>>>> //    OS_ATOMIC_SET(&ahp->ah_ier_ref_count, 1);C
>>>>    if (ath_hal_isrfkillenabled(ah)) {
>>>>        ar9300_enable_rf_kill(ah);
>>>>    }
>>>>
>>>> .. so it should be enabling it at reset. We shouldn't need to enable
>>>> it during ar9300_attach() as the first reset will set it up.
>>>>
>>>> * The AR5212 HAL enables rfkill interrupts, but the AR9300 doesn't.
>>>> Apparently there are .. issues. I don't know what they are. So maybe
>>>> we should use polling on that particular GPIO pin to provide rfkill
>>>> feedback to the driver and eventually the network stack.
>>>>
>>>> So, would you mind trying your patch again but only with the bits that
>>>> allow the GPIO pins to be enabled? If that works, then I'll commit
>>>> that. In parallel I'm going to have to tidy up the rfkill capability
>>>> API to correctly set bits - I'll likely expand the field in the driver
>>>> and have the pre-AR9300 chipset code error out if an out-of-bounds
>>>> gpio value is sent.
>>>>
>>>> Thanks!
>>>>
>>>>
>>>>
>>>> -adrian
>>>> _______________________________________________
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>>>>
>>
>
>

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