| Commit message (Collapse) | Author | Age | Files | Lines |
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* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (175 commits)
module_param: make bool parameters really bool (drivers/video/i810)
Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."
OMAPDSS: HDMI: Disable DDC internal pull up
OMAPDSS: HDMI: Move duplicate code from boardfile
OMAPDSS: add OrtusTech COM43H4M10XTC display support
OMAP: DSS2: Support for UMSH-8173MD TFT panel
ASoC: OMAP: HDMI: Move HDMI codec trigger function to generic HDMI driver
OMAPDSS: HDMI: Create function to enable HDMI audio
ASoC: OMAP: HDMI: Correct signature of ASoC functions
ASoC: OMAP: HDMI: Introduce driver data for audio codec
grvga: fix section mismatch warnings
video: s3c-fb: Don't keep device runtime active when open
video: s3c-fb: Hold runtime PM references when touching registers
video: s3c-fb: Take a runtime PM reference when unblanked
video: s3c-fb: Disable runtime PM in error paths from probe
video: s3c-fb: Use s3c_fb_enable() to enable the framebuffer
video: s3c-fb: Make runtime PM functional again
drivers/video: fsl-diu-fb: merge fsl_diu_alloc() into map_video_memory()
drivers/video: fsl-diu-fb: add default platform ops functions
drivers/video: fsl-diu-fb: remove broken reference count enabling the display
...
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The functions dss_ovl_simple_check() and dss_mgr_simple_check() are not
really part of the apply mechanism, and can be moved to overlay.c and
manager.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The functions dss_ovl_check, dss_mgr_check_zorder, dss_mgr_check in
apply.c are not really part of the apply mechanism, and can be moved to
overlay.c and manager.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Now that dss_mgr_enable() can fail due to checks, make it return the
error value.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add dispc_mgr_get_framedone_irq() which returns the irq number for
FRAMEDONE for the given channel.
Note that the function returns always 0 for DIGIT channel, even if OMAP4
does have FRAMEDONE_TV interrupt. The reason for this is that this
function is currently used only to track manual updates, and thus
FRAMEDONE_TV is not needed.
If there's need in the future to also get the FRAMEDONE_TV this needs
revisiting. However, as FRAMEDONE_TV doesn't exist on OMAP2/3, the use
of this function for that purpose needs some extra code to handle the
OMAP2/3 case.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Overlays are currently enabled and disabled with a boolean in the struct
omap_overlay_info. The overlay info is set with ovl->set_overlay_info(),
and made into use with mgr->apply().
This doesn't work properly, as the enable/disable status may affect also
other overlays, for example when using fifo-merge. Thus the enabling and
disabling of the overlay needs to be done outside the normal overlay
configuration.
This patch achieves that by doing the following things:
1) Add function pointers to struct omap_overlay: enable(), disable() and
is_enabled(). These are used to do the obvious. The functions may block.
2) Move the "enabled" field from struct omap_overlay to ovl_priv_data.
3) Add a new route for settings to be applied to the HW, called
"extra_info". The status of the normal info and extra_info are tracked
separately.
The point here is to allow the normal info to be changed and
applied in non-blocking matter, whereas the extra_info can only be
changed when holding the mutex. This makes it possible to, for example,
set the overlay enable flag, apply it, and wait until the HW has taken
the flag into use.
This is not possible if the enable flag would be in the normal info, as
a new value for the flag could be set at any time from the users of
omapdss.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DSS currently tries to check that the given overlay and overlay manager
settings are acceptable, but the code does not work quite properly.
Things may change between the check and the actual use of the settings.
Furthermore, the following patches will rewrite how settings are
configured and managed, and trying to keep the (broken) settings
checking working during the rewrite would be very difficult.
This patch removes the checking code, and a working version of checking
will be added back after the settings rewrite has been done.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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apply.c will handle the management of dispc in the future patches. This
patch moves overlay manager related functions to apply.c so that they
will have access to the private data and functions of apply.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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apply.c will handle the management of dispc in the future patches. This
patch moves overlay related functions to apply.c so that they will have
access to the private data and functions of apply.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add dispc_mgr_get_vsync_irq() which returns the irq number for vsync on
the given channel.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omap_overlay_manager struct contains enable() and disable() functions.
However, these are only meant to be used from inside omapdss, and thus
it's bad to expose the functions.
This patch adds dss_mgr_enable() and dss_mgr_disable() functions to
apply.c, which handle enabling and disabling the output.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Create a new file, apply.c, and move code about handling the
apply-mechanism and configuration of the managers and overlays from
manager.c to apply.c.
Not all related code is moved in this patch, but only the core
apply/configure functions. The later patches move rest of the code from
overlay.c and manager.c, adding necessary locking at the same time.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Remove unused functions:
dispc_mgr_get_default_color
dispc_mgr_get_trans_key
dispc_mgr_trans_key_enabled
dispc_mgr_alpha_fixed_zorder_enabled
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Change manager configuration to be similar to overlay configuration by
creating dispc_mgr_setup() which takes omap_overlay_manager_info as
parameter.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Overlay channel is configured with ovl_setup, with all the other overlay
attriutes. This patch separates overlay channel setup so that we can
later configure the channel only when needed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Overlay FIFO thresholds are configured with ovl_setup, with all the
other overlay attributes. This patch separates FIFO threshold setup so
that we can later configure FIFO thresholds only when needed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dss_start_update() takes currently the dss device as a parameter. Change
the parameter to ovl manager, as that is what the dss_start_update()
actually needs. Change the name of the function to
dss_mgr_start_update() to reflect the change.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Partial update for manual update displays has never worked quite well:
* The HW has limitations on the update area, and the x and width need to
be even.
* Showing a part of a scaled overlay causes artifacts.
* Makes the management of dispc very complex
Considering the above points and the fact that partial update is not
used anywhere, this and the following patches remove the partial update
support. This will greatly simplify the following re-write of the apply
mechanism to get proper locking and additional features like fifo-merge.
This patch removes the partial update from the manager.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Make dispc_ovl_set_fifo_threshold() public so that later patches can
handle overlay fifo configuration.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Make dispc_ovl_set_channel_out() public so that later patches can handle
changing overlay's manager.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Some old example code has been left lying around. Remove the example
code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dispc_mgr_is_enabled() was missing a prototype in dss.h
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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module_param(bool) used to counter-intuitively take an int. In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.
It's time to remove the int/unsigned int option. For this version
it'll simply give a warning, but it'll break next kernel version.
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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On OMAP3, in order to enable alpha blending for LCD and TV managers, we needed
to set LCDALPHABLENDERENABLE/TVALPHABLENDERENABLE bits in DISPC_CONFIG. On
OMAP4, alpha blending is always enabled by default, if the above bits are set,
we switch to an OMAP3 compatibility mode where the zorder values in the pipeline
attribute registers are ignored and a fixed priority is configured.
Rename the manager_info member "alpha_enabled" to "partial_alpha_enabled" for
more clarity. Introduce two dss_features FEAT_ALPHA_FIXED_ZORDER and
FEAT_ALPHA_FREE_ZORDER which represent OMAP3-alpha compatibility mode and OMAP4
alpha mode respectively. Introduce an overlay cap for ZORDER. The DSS2 user is
expected to check for the ZORDER cap, if an overlay doesn't have this cap, the
user is expected to set the parameter partial_alpha_enabled. If the overlay has
ZORDER cap, the DSS2 user can assume that alpha blending is already enabled.
Don't support OMAP3 compatibility mode for now. Trying to read/write to
alpha_blending_enabled sysfs attribute issues a warning for OMAP4 and does not
set the LCDALPHABLENDERENABLE/TVALPHABLENDERENABLE bits.
Change alpha_enabled to partial_alpha_enabled in the omap_vout driver. Use
overlay cap "OMAP_DSS_OVL_CAP_GLOBAL_ALPHA" to check if overlay supports alpha
blending or not. Replace this with checks for VIDEO1 pipeline.
Cc: linux-media@vger.kernel.org
Cc: Lajos Molnar <molnar@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add support to dump the HDMI wrapper, core, PLL and PHY registers
through debugfs.
Signed-off-by: Mythri P K <mythripk@ti.com>
[tomi.valkeinen@ti.com: updated the description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dispc_mgr_pclk_rate() is used to calculate minimum required functional clock for
scaling in calc_fclk() and calc_fclk_five_taps(). This function returns the
correct pixel clock for LCD and LCD2 managers, but not for TV manager. Extend
this function so that it gets the correct pixel clock for TV manager.
This also prevents the crash we get when we try to scale overlays connected to
TV manager. The current code leads to a BUG() being executed if we call
dispc_mgr_pclk_rate() for the TV manager.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dispc_ovl_enable_replication() and dispc_ovl_set_fifo_threshold() are currently
called in configure_overlay(). These are the only functions which cause DISPC
register writes of overlay parameters outside of dispc_ovl_setup().
Move these to dispc_ovl_setup() and pass replication, fifo_low and fifo_high
thresholds as arguments to dispc_ovl_setup() in order to be aligned with other
overlay parameters. No functional changes are made.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dispc_ovl_setup() currently takes a large number of overlay arguments, most of
these are members of the overlay_info struct. Replace these arguments by
passing a overlay_info pointer instead.
In configure_overlay(), we create an overlay_info struct called new_oi, this is
a copy of the overlay cache's overlay_info member. Update the new_oi parameters
which could have been possibly changed in configure_overlay(). Pass its pointer
pointer to dispc_ovl_setup().
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Implement detect() by checking the hot plug detect status.
The implementation is not very good, as it always turns on the HDMI
output to get the detection working. HDMI driver needs improvements so
that we could enable only core parts of it.
Cc: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Implement read_edid() for HDMI by implementing necessary functions to
hdmi.c and to hdmi_omap4_panel.c.
Cc: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add dss_get_hdmi_venc_clk_source(), which can be used to get the value
programmed with dss_select_hdmi_venc_clk_source(). This can be used to
find out if the digit output is going to VENC or HDMI.
For OMAP2/3 dss_get_hdmi_venc_clk_source() always returns
DSS_VENC_TV_CLK.
Cc: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Some of the header file definitions that are there in the hdmi.h are generic
and can be used across OMAP's, Thus moving generic definition to new file.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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As the pll and the video configuration info are part of the ip_data, pll
and video structures are moved to the ip_data structure. Also the pll and
video configuration functions are modified accordingly to take care of the
structure movement.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Currently, DSI pixel info is only represented by the pixel size in bits using
the pixel_size parameter in omap_dss_device struct's ctrl member.
This is not sufficient information for DSI video mode usage, as two of the
supported formats(RGB666 loosely packed, and RGB888) have the same pixel
container size, but different data_type values for the video mode packet header.
Create enum "omap_dss_dsi_pixel_format" which describes the pixel data format
the panel is configured for. Create helper function dsi_get_pixel_size() which
returns the pixel size of the given pixel format.
Modify functions omapdss_default_get_recommended_bpp() and dss_use_replication()
to use dsi_get_pixel_size().
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Split the function dispc_set_parallel_interface_mode() into 2 separate
functions called dispc_mgr_set_io_pad_mode() and dispc_mgr_enable_stallmode().
The current function tries to set 2 different modes(io pad mode and stall mode)
based on a parameter omap_parallel_interface_mode which loosely corresponds to
the panel interface type.
This isn't correct because a) these 2 modes are independent to some extent,
b) we are currently configuring gpout0/gpout1 for DSI panels which is
unnecessary, c) a DSI Video mode panel won't get configured correctly.
Splitting the functions allows the interface driver to set these modes
independently and hence allow more flexibility.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Intoduce enum "dss_dsi_content_type" to differentiate between DCS and generic
content types.
Introduce short and long packet write functions which use generic
Processor-to-Peripheral transaction types. These are needed by some devices
which may not support corresponding DCS commands. Create common write functions
which allow code reuse between DCS and generic write functions.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Group dispc's overlay and manager related functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Rename dispc's manager related functions as follows:
- Remove prepending underscores, which were originally used to inform
that the clocks needs to be enabled. This meaning is no longer valid.
- Prepend the functions with dispc_mgr_*
- Remove "channel" from the name, e.g. dispc_enable_channel ->
dispc_mgr_enable
The idea is to group manager related functions so that it can be deduced
from the function name that it writes to manager spesific registers.
All dispc_mgr_* functions have enum omap_channel as the first parameter.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Rename dispc's overlay related functions as follows:
- Remove prepending underscores, which were originally used to inform
that the clocks needs to be enabled. This meaning is no longer valid.
- Prepend the functions with dispc_ovl_*
- Remove "plane" from the name, e.g. dispc_set_plane_ba0 ->
dispc_ovl_set_ba0
The idea is to group overlay related functions so that it can be deduced
from the function name that it writes to overlay spesific registers.
All dispc_ovl_* functions have enum omap_plane as the first parameter.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The functions do not exist, so remove the prototypes.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Currently when changing the manager of an overlay, set_manager() directly
calls dispc to set the overlay's destination.
Change this to be more in line with other overlay configurations, and
this will also remove the need to have dispc clocks enabled when calling
set_manager().
A new field is added to overlay struct, "manager_changed". This is
similar to "display_changed" field in manager struct, and is used to
inform apply that the manager has changed and thus write to the
registers is needed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This reverts commit 9ede365aa6f74428a1f69c21ca1cf21213167576.
The hack is no longer needed, as the HWMOD data has been fixed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The HWMOD data for OMAP2 and 3 are currently not up to date regarding
DSS (OMAP4 HWMOD data is fine). This patch makes the DSS driver to get
the opt clocks needed for OMAP2/3 with the old clock names, thus
allowing DSS driver to use runtime PM.
The HWMOD databases should be fixes ASAP, and this patch can be reverted
after that.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Use PM runtime and HWMOD support to handle enabling and disabling of DSS
modules.
Each DSS module will have get and put functions which can be used to
enable and disable that module. The functions use pm_runtime and hwmod
opt-clocks to enable the hardware.
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The function to get device's context loss count has changed from
omap_pm_get_last_off_on_transaction_id() to
omap_pm_get_dev_context_loss_count()
Change name of the function pointer in omapdss.h accordingly, and use
the term "context loss count" instead of "context id" in the code.
Restructure the context loss count functions to handle errors properly,
and ensure that context is always considered lost if an error happens.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The DMA FIFO threshold registers and burst size registers have changed
for OMAP4. The current code only handles OMAP2/3 case, and so the
values are a bit off for OMAP4. A summary of the differences between
OMAP2/3 and OMAP4:
Burst size:
OMAP2/3: 4 x 32 bits / 8 x 32 bits / 16 x 32 bits
OMAP4: 2 x 128 bits / 4 x 128 bits / 8 x 128 bits
Threshold size:
OMAP2/3: in bytes (8 bit units)
OMAP4: in 128bit units
This patch fixes the issue by creating two new helper functions in
dss_features: dss_feat_get_buffer_size_unit() and
dss_feat_get_burst_size_unit(). These return (in bytes) the unit size
for threshold registers and unit size for burst size register,
respectively, and are used to calculate correct values.
For the threshold size the usage is straightforward. However, the burst
size register has different multipliers for OMAP2/3 and OMAP4. This
patch solves the problem by defining the multipliers for the burst size
as 2x, 4x and 8x, which fit fine for the OMAP4 burst size definition
(i.e. burst size unit for OMAP4 is 128bits), but requires a slight twist
on OMAP2/3 by defining the burst size unit as 64bit.
As the driver in practice always uses the maximum burst size, and no use
case currently exists where we would want to use a smaller burst size,
this patch changes the driver to hardcode the burst size when
initializing DISPC. This makes the threshold configuration code somewhat
simpler.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add Color Phase Rotation (CPR) support and sysfs files to enable CPR and
to set the CPR coefficient matrix.
CPR is enabled via manager?/cpr_enable file, and the coefficient matrix
is set via manager?/cpr_coef file. The values in cpr_coef are in the
following order:
RR RG RB GR GG GB BR BG BB
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add the support for NV12 color format.
Configure base address for UV component of NV12 color format.
Change the way chroma scaling is handled for YUV formats on OMAP4 by enabling
chroma-resampling for video pipeline and hence using FIR2 register set for
scaling UV.
Changes to _dispc_set_scaling(), because of the reason above, are:
- call _dispc_set_scaling_common() to handle scaling for all color formats
except for OMAP4 where it only handles scaling for RGB or Y-component
- call _dispc_set_scaling_uv() for special handling required for UV
component on OMAP4.
- dispc_set_scaling_uv() also resets chroma-resampling bit for RGB color modes.
Contains chroma scaling (_dispc_set_scaling_uv) design and implemented by
Lajos Molnar <molnar@ti.com>
Signed-off-by: Amber Jain <amber@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The RFBI driver is quite messy. Remove dead and unneeded code and add
statics to functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dpi.c does not compile if DSI is not compiled in. Add the missing dummy
functions so that dpi.c compiles.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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