[Intel-gfx] [PATCH i-g-t 01/10] lib: add 16 and 8 bit versions of INREG and OUTREG

[Jani Nikula]

On Mon, 04 May 2015, Daniel Vetter <daniel at ffwll.ch> wrote:
> On Tue, Apr 28, 2015 at 03:04:26PM +0300, Jani Nikula wrote:
>> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
>> ---
>>  lib/intel_io.h   |  4 ++++
>>  lib/intel_mmio.c | 24 ++++++++++++++++++++++++
>>  2 files changed, 28 insertions(+)
>> 
>> diff --git a/lib/intel_io.h b/lib/intel_io.h
>> index 04aa3fd496b4..1c3b4445cd5b 100644
>> --- a/lib/intel_io.h
>> +++ b/lib/intel_io.h
>> @@ -43,7 +43,11 @@ void intel_register_write(uint32_t reg, uint32_t val);
>>  int intel_register_access_needs_fakewake(void);
>>  
>>  uint32_t INREG(uint32_t reg);
>> +uint16_t INREG16(uint32_t reg);
>> +uint8_t INREG8(uint32_t reg);
>>  void OUTREG(uint32_t reg, uint32_t val);
>> +void OUTREG16(uint32_t reg, uint16_t val);
>> +void OUTREG8(uint32_t reg, uint8_t val);
>>  
>>  /* sideband access functions from intel_iosf.c */
>>  uint32_t intel_dpio_reg_read(uint32_t reg, int phy);
>> diff --git a/lib/intel_mmio.c b/lib/intel_mmio.c
>> index 9a2ee27bd5e5..40ce94c8f600 100644
>> --- a/lib/intel_mmio.c
>> +++ b/lib/intel_mmio.c
>> @@ -324,6 +324,18 @@ uint32_t INREG(uint32_t reg)
>>  	return *(volatile uint32_t *)((volatile char *)mmio + reg);
>>  }
>>  
>> +/* 16-bit version of INREG */
>
> gtkdoc is missing here for these new functions. And while at it please
> also do the s/OUTRET/OUTREG/ type ;-)
>
> Otherise entire series looks really nifty and has my Ack.

Fixed and pushed the series.

Jani.


>
> Cheers, Daniel
>
>> +uint16_t INREG16(uint32_t reg)
>> +{
>> +	return *(volatile uint16_t *)((volatile char *)mmio + reg);
>> +}
>> +
>> +/* 8-bit version of INREG */
>> +uint8_t INREG8(uint32_t reg)
>> +{
>> +	return *((volatile uint8_t *)mmio + reg);
>> +}
>> +
>>  /**
>>   * OUTRET:
>>   * @reg: register offset
>> @@ -338,3 +350,15 @@ void OUTREG(uint32_t reg, uint32_t val)
>>  {
>>  	*(volatile uint32_t *)((volatile char *)mmio + reg) = val;
>>  }
>> +
>> +/* 16-bit version of OUTREG */
>> +void OUTREG16(uint32_t reg, uint16_t val)
>> +{
>> +	*(volatile uint16_t *)((volatile char *)mmio + reg) = val;
>> +}
>> +
>> +/* 8-bit version of OUTREG */
>> +void OUTREG8(uint32_t reg, uint8_t val)
>> +{
>> +	*((volatile uint8_t *)mmio + reg) = val;
>> +}
>> -- 
>> 2.1.4
>> 
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

-- 
Jani Nikula, Intel Open Source Technology Center