[PATCH] quick_dump: Add dpio read

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On Tue, 16 Apr 2013 23:09:25 -0700
Ben Widawsky <ben at bwidawsk.net> wrote:

> The sample usage is in reg_access.dpio_read(). We should add some
> semantics to the text files to detect DPIO registers, and do the right
> thing.
> 
> Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
>  tools/quick_dump/Makefile.am   | 3 ++-
>  tools/quick_dump/chipset.i     | 2 ++
>  tools/quick_dump/reg_access.py | 6 ++++++
>  3 files changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/quick_dump/Makefile.am b/tools/quick_dump/Makefile.am
> index 42ab140..afd6814 100644
> --- a/tools/quick_dump/Makefile.am
> +++ b/tools/quick_dump/Makefile.am
> @@ -11,7 +11,8 @@ I915ChipsetPython_la_SOURCES = chipset_wrap_python.c intel_chipset.c \
>  			       $(top_srcdir)/lib/intel_drm.c  \
>  			       $(top_srcdir)/lib/intel_pci.c  \
>  			       $(top_srcdir)/lib/intel_reg_map.c  \
> -			       $(top_srcdir)/lib/intel_mmio.c
> +			       $(top_srcdir)/lib/intel_mmio.c  \
> +			       $(top_srcdir)/lib/intel_dpio.c
>  
>  chipset_wrap_python.c chipset.py: chipset.i
>  	$(SWIG) $(AX_SWIG_PYTHON_OPT) -I/usr/include -I$(top_srcdir)/lib -o $@ $<
> diff --git a/tools/quick_dump/chipset.i b/tools/quick_dump/chipset.i
> index 36e7f4c..0a15d38 100644
> --- a/tools/quick_dump/chipset.i
> +++ b/tools/quick_dump/chipset.i
> @@ -14,6 +14,7 @@ extern uint32_t intel_register_write(uint32_t reg, uint32_t val);
>  extern void intel_register_access_fini();
>  extern int intel_register_access_needs_wake();
>  extern unsigned short pcidev_to_devid(struct pci_device *pci_dev);
> +extern uint32_t intel_dpio_reg_read(uint32_t reg);
>  %}
>  
>  extern int is_sandybridge(unsigned short pciid);
> @@ -26,3 +27,4 @@ extern uint32_t intel_register_write(uint32_t reg, uint32_t val);
>  extern void intel_register_access_fini();
>  extern int intel_register_access_needs_wake();
>  extern unsigned short pcidev_to_devid(struct pci_device *pci_dev);
> +extern uint32_t intel_dpio_reg_read(uint32_t reg);
> diff --git a/tools/quick_dump/reg_access.py b/tools/quick_dump/reg_access.py
> index b7f3100..e2a0a95 100755
> --- a/tools/quick_dump/reg_access.py
> +++ b/tools/quick_dump/reg_access.py
> @@ -27,6 +27,12 @@ def get_wake():
>  	mt_forcewake_get()
>  	vlv_forcewake_get()
>  
> +def dpio_read(reg):
> +	reg = int(reg, 16)
> +	val = chipset.intel_dpio_reg_read(reg)
> +	return val
> +
> +
>  def init():
>  	pci_dev = chipset.intel_get_pci_device()
>  	ret = chipset.intel_register_access_init(pci_dev, 0)

Looks good, thanks.

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center


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