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Move enable/disable/suspend/resume from omap_dss_device to
omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move update() and sync() from omap_dss_device to omap_dss_driver.
Also, update was hardcoded to use virtual channel 0. This patch adds a
parameter that specifies the VC.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move set/get_update_mode() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move enable/get_te() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move get_recommended_bpp() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move get_resolution() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move enable/disable_channel() from omap_dss_device to overlay manager.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move wait_vsync() from omap_dss_device to overlay manager.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move get/set_rotate() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move set/get_mirror() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move memory_read() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Move run_test() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Remove performance measurement for auto-update. Auto-update and thus
performance measurement cannot be supported after the driver change where
the control is moved to display drivers.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Physical DSI bus is protected by a mutex. This patch changed the mutex to
a semaphore, so that we can lock and unlock the bus_lock from different
threads.
This is needed as the update process is started by user space program, and
thus the lock is acquired in that context, but the lock can be released in
different context, a work thread via irq.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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After changing the selection of DSI and DISPC clock source the users of
get_dsi/dispc_clk_source() functions were left unchanged.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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If driver's probe failed, the uninit was not called.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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The system to allow panel drivers to exists as attached to ctrl drivers
did never work very well. It is not useed, and this patch removes it to
make the driver cleaner.
For now, controller drivers need to include also the panel driver code. In
the future a proper mechanism for this should be developed, perhaps by
creating busses for controllers.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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When OMAP PM layer is no-op/debug, the PM layer will increment context
loss count with every call. This resulted DSS2 to restore context
whenever a clock was enabled.
This commit checks the context loss count only when the context actually
could have been lost, ie. when enabling a clock when no clocks had been
previously enabled.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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It was not used.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Instead of configuring only VC0 to be usable, configure all four VCs
similarly. This is needed to utilize the other VCs.
Setting the FIFO sizes evenly for all VCs, regardless of how many VCs are
actually used, is not optimal. However, this affects only cases when
larger amounts of data are written or read via L4, meaning that normal use
cases are not affected.
At some point this could be optimized better to suit different use cases.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Rename and export dsi_vc_enable_hs() so that the display drivers can
control the mode of the DSI link.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Add helper functions for most common DCS read and write operations.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Helper function to clean up the checking of the bus lock.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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dss_select_clk_source() was rather confusing. Selecting the source with
enums is much clearer.
The clk source selection is also stored into memory, so that we know what
is the selected source, even when clocks are off. This is important during
setup, as we need to what clocks to turn on before the clocks are turned
on.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Fix compilation of the CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS feature.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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It looks like on OMAP3 some DSS pins need VDDS_DSI to function properly.
This has not been confirmed from TI, but looking at figure 15-1 "Display
subsystem highlight" from the TRM, some data pins come near the DSI and SDI
blocks. This is not very hard evidence, but the fact remains that with the
power on, pixels are ok, and with the power off, pixels are not ok.
It may also be that VDDS_SDI is needed to power some pins, but as normally
both VDDS_SDI and VDDS_DSI come from the same power source, this hasn't
been shown.
It seems that a single driver can only get a regulator once. This patch
solves it by getting all the required regulators in one place, and from
which the submodules then get the regulators they need.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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If the scaling ratio is below 0.5 video output width can't be identical
to the display width. Reject such settings.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Loops checking for certain condition were rather inconsistent.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com>
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Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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DSI driver didn't check if the panel driver actually implements
enable_te().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Collect interrupt statistics, printable via debugfs:
debugfs/omapdss/dispc_irq
debugfs/omapdss/dsi_irq
The counters are reset when printed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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- dsi_vc_send_short() needs to use dest_per for the peripheral id
- dsi_vc_send_null() was always using channel id 0
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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DSI (Display Serial Interface) driver implements MIPI DSI interface.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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SDI (Serial Display Interface) implements TI Flatlink 3G display
interface.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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RFBI (Remote FrameBuffer Interface) implements MIPI DBI interface.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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VENC (video encoder) driver implements OMAP's analog S-Video/Composite
TV-out.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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This implements MIPI DPI interface.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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This file implements DISPC (display controller) block of the OMAP DSS.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Add more core files to DSS2.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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The core files of DSS2. DSS2 commits are split a bit artificially to
make the individual commits smaller, and DSS2 doesn't compile properly
without the rest of the core commits. This shouldn't be a problem, as no
configuration uses DSS2 yet.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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