[PATCH v7 1/2] video: support MIPI-DSI controller driver

Tomi Valkeinen tomi.valkeinen at ti.com
Thu Jan 26 10:45:57 EST 2012


Hi,

On Wed, 2012-01-25 at 09:14 +0900, Donghwa Lee wrote:
> On Sat, 21 Jan 2012 08:51, Andrew Morton wrote:
> 
> > On Thu, 19 Jan 2012 20:08:07 +0530
> > Archit <a0393947 at ti.com> wrote:
> > 
> >> On Thursday 19 January 2012 10:58 AM, Donghwa Lee wrote:
> >>> Samsung S5PC210 and EXYNOS SoC platform has MIPI-DSI controller and MIPI-DSI
> >>> based LCD Panel could be used with it. This patch supports MIPI-DSI driver
> >>> based Samsung SoC chip.
> >>>
> >>> LCD panel driver based MIPI-DSI should be registered to MIPI-DSI driver at
> >>> machine code and LCD panel driver specific function registered to mipi_dsim_ddi
> >>> structure at lcd panel init function called system init.
> >>> In the MIPI-DSI driver, find lcd panel driver by using registered
> >>> lcd panel name, and then initialize lcd panel driver.
> >>>
> >>> Changes since v6:
> >>> 	- remove obscure compile problems.
> >>> 	- remove useless codes.
> >>> 	- modify return errno codes properly
> >>
> >> One more comment about 'mipi_dsim.h', it would be better to put it in
> >> include/video and not 'include/linux'.
> > 
> > Yes, that is desirable.
> > 
> >>> ---
> >>>   drivers/video/Kconfig                 |    6 +
> >>>   drivers/video/Makefile                |    2 +
> >>>   drivers/video/s5p_mipi_dsi.c          |  599 ++++++++++++++++++++++
> >>>   drivers/video/s5p_mipi_dsi_common.c   |  896 +++++++++++++++++++++++++++++++++
> >>>   drivers/video/s5p_mipi_dsi_common.h   |   46 ++
> >>>   drivers/video/s5p_mipi_dsi_lowlevel.c |  617 +++++++++++++++++++++++
> >>>   drivers/video/s5p_mipi_dsi_lowlevel.h |  112 ++++
> >>>   drivers/video/s5p_mipi_dsi_regs.h     |  149 ++++++
> >>>   include/linux/mipi_dsim.h             |  359 +++++++++++++
> >>>   9 files changed, 2786 insertions(+), 0 deletions(-)
> > 
> > or we could put it in drivers/video/.  It all depends on which other
> > drivers we expect will need access to this header.
> > 
> 
> No, mipi_dsim.h file includes global interface data, callback function called by machine 
> file, platform data for mipi-dsi driver and so on. So I think it would be better to put
> in 'include/video' or 'include/linux'. 
> Of course it is much better to change name to 's5p_mipi_dsim.h'

The header file looks like a platform specific header, so I agree that
it should start with s5p.

I think we should finally start working on a common DSI framework =).

 Tomi

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