Cleanup patches for various ARM platforms and some of their associated
drivers. There's also a branch in here that enables Freescale i.MX to be
part of the multiplatform support -- the first "big" SoC that is moved
over (more multiplatform work comes in a separate branch later during
the merge window).
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups on various subarchitectures from Olof Johansson:
"Cleanup patches for various ARM platforms and some of their associated
drivers. There's also a branch in here that enables Freescale i.MX to
be part of the multiplatform support -- the first "big" SoC that is
moved over (more multiplatform work comes in a separate branch later
during the merge window)."
Conflicts fixed as per Olof, including a silent semantic one in
arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to
omap3xxx_restart(), and a new user of the old name was added).
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits)
ARM: omap: fix typo on timer cleanup
ARM: EXYNOS: Remove unused regs-mem.h file
ARM: EXYNOS: Remove unused non-dt support for dwmci controller
ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan
ARM: OMAP3: cm-t3517: use GPTIMER for system clock
ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
ARM: SAMSUNG: use devm_ functions for ADC driver
ARM: EXYNOS: no duplicate mask/unmask in eint0_15
ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443
ARM: EXYNOS: Remove i2c0 resource information and setting of device names
ARM: Kirkwood: checkpatch cleanups
ARM: Kirkwood: Fix sparse warnings.
ARM: Kirkwood: Remove unused includes
ARM: kirkwood: cleanup lsxl board includes
ARM: integrator: use BUG_ON where possible
ARM: integrator: push down SC dependencies
ARM: integrator: delete static UART1 mapping
ARM: integrator: delete SC mapping on the CP
ARM: integrator: remove static CP syscon mapping
ARM: integrator: remove static AP syscon mapping
...
This is a collection of header file cleanups, mostly for OMAP and AT91,
that keeps moving the platforms in the direction of multiplatform by
removing the need for mach-dependent header files used in drivers and
other places.
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Merge tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC Header cleanups from Olof Johansson:
"This is a collection of header file cleanups, mostly for OMAP and
AT91, that keeps moving the platforms in the direction of
multiplatform by removing the need for mach-dependent header files
used in drivers and other places."
Fix up mostly trivial conflicts as per Olof.
* tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (106 commits)
ARM: OMAP2+: Move iommu/iovmm headers to platform_data
ARM: OMAP2+: Make some definitions local
ARM: OMAP2+: Move iommu2 to drivers/iommu/omap-iommu2.c
ARM: OMAP2+: Move plat/iovmm.h to include/linux/omap-iommu.h
ARM: OMAP2+: Move iopgtable header to drivers/iommu/
ARM: OMAP: Merge iommu2.h into iommu.h
atmel: move ATMEL_MAX_UART to platform_data/atmel.h
ARM: OMAP: Remove omap_init_consistent_dma_size()
arm: at91: move at91rm9200 rtc header in drivers/rtc
arm: at91: move reset controller header to arm/arm/mach-at91
arm: at91: move pit define to the driver
arm: at91: move at91_shdwc.h to arch/arm/mach-at91
arm: at91: move board header to arch/arm/mach-at91
arn: at91: move at91_tc.h to arch/arm/mach-at91
arm: at91 move at91_aic.h to arch/arm/mach-at91
arm: at91 move board.h to arch/arm/mach-at91
arm: at91: move platfarm_data to include/linux/platform_data/atmel.h
arm: at91: drop machine defconfig
ARM: OMAP: Remove NEED_MACH_GPIO_H
ARM: OMAP: Remove unnecessary mach and plat includes
...
The previous patch changes dispc to get the dispc fck rate from dss core
driver. This was the only use of the dispc fck in dispc, and thus we can
now remove the clock handling.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Dispc currently gets dispc's fck with clk_get() and uses clk_get_rate()
to get the rate for scaling calculations. This causes a problem with
common clock framework, as omapdss uses the dispc functions inside a
spinlock, and common clock framework uses a mutex in clk_get_rate().
Looking at the DSS clock tree, the above use of the dispc fck is not
quite correct. The DSS_FCLK from PRCM goes to DSS core block, which has
a mux to select the clock for DISPC from various options, so the current
use of dispc fck bypasses that. Fortunately we never change the dispc
clock mux for now.
To fix the issue with clk_get_rate(), this patch caches the dss clock
rate in dss.c when it is set. Dispc will then ask for the clock rate
from dss. While this is not very elegant, it does fix the issue, and
it's not totally wrong when considering that the dispc fck actually
comes via dss.
In the future we should probably look into common clock framework and
see if that could be used to represent the DSS clock tree properly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Here's the large driver core updates for 3.8-rc1.
The biggest thing here is the various __dev* marking removals. This is
going to be a pain for the merge with different subsystem trees, I know,
but all of the patches included here have been ACKed by their various
subsystem maintainers, as they wanted them to go through here.
If this is too much of a pain, I can pull all of them out of this tree
and just send you one with the other fixes/updates and then, after
3.8-rc1 is out, do the rest of the removals to ensure we catch them all,
it's up to you. The merges should all be trivial, and Stephen has been
doing them all in linux-next for a few weeks now quite easily.
Other than the __dev* marking removals, there's nothing major here, some
firmware loading updates and other minor things in the driver core.
All of these have (much to Stephen's annoyance), been in linux-next for
a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg Kroah-Hartman:
"Here's the large driver core updates for 3.8-rc1.
The biggest thing here is the various __dev* marking removals. This
is going to be a pain for the merge with different subsystem trees, I
know, but all of the patches included here have been ACKed by their
various subsystem maintainers, as they wanted them to go through here.
If this is too much of a pain, I can pull all of them out of this tree
and just send you one with the other fixes/updates and then, after
3.8-rc1 is out, do the rest of the removals to ensure we catch them
all, it's up to you. The merges should all be trivial, and Stephen
has been doing them all in linux-next for a few weeks now quite
easily.
Other than the __dev* marking removals, there's nothing major here,
some firmware loading updates and other minor things in the driver
core.
All of these have (much to Stephen's annoyance), been in linux-next
for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fixed up trivial conflicts in drivers/gpio/gpio-{em,stmpe}.c due to gpio
update.
* tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (93 commits)
modpost.c: Stop checking __dev* section mismatches
init.h: Remove __dev* sections from the kernel
acpi: remove use of __devinit
PCI: Remove __dev* markings
PCI: Always build setup-bus when PCI is enabled
PCI: Move pci_uevent into pci-driver.c
PCI: Remove CONFIG_HOTPLUG ifdefs
unicore32/PCI: Remove CONFIG_HOTPLUG ifdefs
sh/PCI: Remove CONFIG_HOTPLUG ifdefs
powerpc/PCI: Remove CONFIG_HOTPLUG ifdefs
mips/PCI: Remove CONFIG_HOTPLUG ifdefs
microblaze/PCI: Remove CONFIG_HOTPLUG ifdefs
dma: remove use of __devinit
dma: remove use of __devexit_p
firewire: remove use of __devinitdata
firewire: remove use of __devinit
leds: remove use of __devexit
leds: remove use of __devinit
leds: remove use of __devexit_p
mmc: remove use of __devexit
...
Add support for the Solomon SSD1307 OLED controller found on the
Crystalfontz CFA10036 board.
This controller can drive a display with a resolution up to 128x39 and can
operate over I2C or SPI.
The current driver has only been tested on the CFA-10036, that is using
this controller over I2C to driver a 96x16 OLED screen.
[akpm@linux-foundation.org: checkpatch fixes]
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Brian Lilly <brian@crystalfontz.com>
Cc: Greg KH <gregkh@linux-foundation.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Thomas Petazzoni <thomas@free-electrons.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
omapdss_compat_init() and omapdss_compat_uninit() is called internally
by omapdss. This patch moves the calls to omapfb, omap_vout and omapdrm
drivers. omapdrm driver can later remove the call after non-compat
support has been implemented in omapdrm.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dpi.c uses dss_mgr_check_timings() to verify video timings, but that
function is in the compat layer. Change dpi.c to use the dispc's check
instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch adds a new function, dispc_ovl_check(), which can be used to
verify scaling configuration for an overlay. The function gets both the
overlay and overlay manager as parameters, so that the caller does not
need to configure the hardware before using this function.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The whole dispc irq handling system we currently have is only needed for
compat layer, and thus can be moved from dispc.c to the compat layer.
This is quite straigtforward, but we need to add new dispc functions to
request and free the actual hardware irq: dispc_request_irq() and
dispc_free_irq().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We have two functions to wait for a dispc interrupt:
int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout);
int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
Of these, the former is not used at all, and can be removed. The latter
is only used by the compat layer, and can be moved to the compat layer
code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dispc_mgr_enable_sync and dispc_mgr_disable_sync are only used with the
compat mode. Non-compat will use the simpler enable and disable
functions.
This patch moves the synchronous enable/disable code to the compat
layer. A new file is created, dispc-compat.c, which contains low level
dispc compat code (versus apply.c, which contains slightly higher level
compat code).
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Some of the output drivers need to handle FRAMEDONE interrupt from
DISPC. This creates a direct dependency to dispc code, and we need to
avoid this to make the compat code to work.
Instead of the output drivers registering for dispc interrupts, we
create new mgr-ops that are used to register a framedone handler. The
code implementing the mgr-ops is responsible for calling the handler
when DISPC FRAMEDONE interrupt happens. The compat layer is improved
accordingly to do the call to the framedone handler.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The output drivers need some operations from the overlay managers, like
enable and set_timings. These will affect the dispc registers, and need
to be synchronized with the composition-side changes with overlays and
overlay managers.
We want to handle these calls in the apply.c in the compatibility mode,
but when in non-compat mode, the calls need to be handled by some other
component (e.g. omapdrm).
To make this possible, this patch creates a set of function pointers in
a dss_mgr_ops struct, that is used to redirect the calls into the
correct destination.
The non-compat users can install their mgr ops with
dss_install_mgr_ops() function.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Most of the functions that are assigned to the fields in ovl struct are
in apply.c. By moving the function pointer setup into apply.c we can
make these functions static.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Most of the functions that are assigned to the fields in ovl-mgr struct
are in apply.c. By moving the function pointer setup into apply.c we can
make these functions static.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Overlay and overlay_manager structs will only be needed in the compat
mode.
This patch moves initialization of overlay and overlay_manager structs
to apply.c, so that they are handled in omapdss_compat_init().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add two new exported functions, omapdss_compat_init and
omapdss_compat_uninit, which are to be used by omapfb, omap_vout to
enable compatibility mode for omapdss. The functions are called by
omapdss internally for now, and moved to other drivers later.
The compatibility mode is implemented fully in the following patches.
For now, enabling compat mode only sets up the private data in apply.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit 5d89bcc341 (OMAPDSS: remove initial
display code from omapdss) moved setting up the initial overlay, overlay
manager, output and display connections from omapdss to omapfb.
However, currently omapfb only handles the connection related to the
default display, which means that no overlay managers are connected to
other displays.
This patch changes omapfb to go through all dssdevs, and connect an
overlay manager to them.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We currently attach an output to a dssdev in the initialization code for
dssdevices in display.c. This works, but doesn't quite make sense: an
output entity represents (surprisingly) an output of DSS, which is
managed by an output driver. The output driver also handles adding new
dssdev's for that particular output.
It makes more sense to make the output-dssdev connection in the output
driver. This is also in line with common display framework.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
omapfb gives a WARN_ONCE if a predefined physical address is given for
allocating the framebuffer memory, as this is not currently supported.
However, the same warning happens if omapfb fails to allocate memory
during runtime, as when the allocation has failed, omapfb tries to
re-allocate the old memory with the physical address of the old memory
area.
Remove the warning from omapfb_alloc_fbmem, as it serves no purpose on
the failure case above, and move it to omapfb_parse_vram_param, so that
we only warn if physical address is given via omapfb module parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Kernel lock verification code has lately detected possible circular
locking in omapfb. The exact problem is unclear, but omapfb's current
locking seems to be overly complex.
This patch simplifies the locking in the following ways:
- Remove explicit omapfb mem region locking. I couldn't figure out the
need for this, as long as we take care to take omapfb lock.
- Get omapfb lock always, even if the operation is possibly only related
to one fb_info. Better safe than sorry, and normally there's only one
user for the fb so this shouldn't matter.
- Make sure fb_info lock is taken first, then omapfb lock.
With this patch the warnings about possible circular locking does not
happen anymore.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Currently omapfb_realloc_fbmem() calls dssdev->sync to ensure any
possible frame update is finished. This patch moves the call to
dssdev->sync from omapfb_realloc_fbmem to the callers of
omapfb_realloc_fbmem.
This keeps dssdev related calls out from omapfb_realloc_fbmem, which
makes sense as the function should only deal with fb memory. Also, this
seems to avoid a lockdep warning about possible circular locking.
However, the exact reason for that warning is still unclear.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
omapfb contains an exported omapfb_update_window function, which, at
some point in history, was used by a closed source SGX driver. This was
a hack even then, and should not be needed anymore. So remove it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The revision check fails for the beaglebone; Add new revision ID.
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Acked-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
enabled. Unfortunately the DMA header patch had to be redone
to avoid adding new multiplatform specific include paths, the
other patches are just trivial compile fixes.
Note that this does not yet contain the necessary Kconfig
changes as we are still waiting for some drivers to get
fixed up first.
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Merge tag 'tags/omap-for-v3.8/cleanup-multiplatform-no-clock-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm2
From Tony Lindgren:
Remaining patches to allow omap2+ to build with multiplatform
enabled. Unfortunately the DMA header patch had to be redone
to avoid adding new multiplatform specific include paths, the
other patches are just trivial compile fixes.
Note that this does not yet contain the necessary Kconfig
changes as we are still waiting for some drivers to get
fixed up first.
* tag 'tags/omap-for-v3.8/cleanup-multiplatform-no-clock-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support
watchdog: OMAP: fixup for ARM multiplatform support
Conflicts due to surrounding changes in:
arch/arm/mach-omap2/omap_hwmod_2420_data.c
arch/arm/mach-omap2/omap_hwmod_2430_data.c
Signed-off-by: Olof Johansson <olof@lixom.net>
Based on earlier discussions[1] we attempted to find a suitable
location for the omap DMA header in commit 2b6c4e73 (ARM: OMAP:
DMA: Move plat/dma.h to plat-omap/dma-omap.h) until the conversion
to dmaengine is complete.
Unfortunately that was before I was able to try to test compile
of the ARM multiplatform builds for omap2+, and the end result
was not very good.
So I'm creating yet another all over the place patch to cut the
last dependency for building omap2+ for ARM multiplatform. After
this, we have finally removed the driver dependencies to the
arch/arm code, except for few drivers that are being worked on.
The other option was to make the <plat-omap/dma-omap.h> path
to work, but we'd have to add some new header directory to for
multiplatform builds.
Or we would have to manually include arch/arm/plat-omap/include
again from arch/arm/Makefile for omap2+.
Neither of these alternatives sound appealing as they will
likely lead addition of various other headers exposed to the
drivers, which we want to avoid for the multiplatform kernels.
Since we already have a minimal include/linux/omap-dma.h,
let's just use that instead and add a note to it to not
use the custom omap DMA functions any longer where possible.
Note that converting omap DMA to dmaengine depends on
dmaengine supporting automatically incrementing the FIFO
address at the device end, and converting all the remaining
legacy drivers. So it's going to be few more merge windows.
[1] https://patchwork.kernel.org/patch/1519591/#
cc: Russell King <linux@arm.linux.org.uk>
cc: Kevin Hilman <khilman@ti.com>
cc: "Benoît Cousson" <b-cousson@ti.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: "David S. Miller" <davem@davemloft.net>
cc: Vinod Koul <vinod.koul@intel.com>
cc: Dan Williams <djbw@fb.com>
cc: Mauro Carvalho Chehab <mchehab@infradead.org>
cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
cc: David Woodhouse <dwmw2@infradead.org>
cc: Kyungmin Park <kyungmin.park@samsung.com>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
cc: Hans Verkuil <hans.verkuil@cisco.com>
cc: Vaibhav Hiremath <hvaibhav@ti.com>
cc: Lokesh Vutla <lokeshvutla@ti.com>
cc: Rusty Russell <rusty@rustcorp.com.au>
cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
cc: Afzal Mohammed <afzal@ti.com>
cc: linux-crypto@vger.kernel.org
cc: linux-media@vger.kernel.org
cc: linux-mtd@lists.infradead.org
cc: linux-usb@vger.kernel.org
cc: linux-fbdev@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The i2c_device_id table is supposed to be zero-terminated.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
When enabling a hwmod, omap_hwmod refers to the register mentioned in the
hwmod struct's member 'prcm.omap4.context_offs' to see whether context was
lost or not. It increments the context lost count for the hwmod and then clears
the register.
All the DSS hwmods have the same register(RM_DSS_DSS_CONTEXT) as context_offs.
When DSS is enabled, the first hwmod to be enabled is the "dss_core" hwmod since
it's corresponding platform device is the parent platform device("omapdss_dss").
The dss_core hwmod updates it's context lost count correctly and clears the
register. When the hwmods corresponding to the children platform devices are
enabled, they see that the register is clear, and don't increment their context
lost count. Therefore, all the children platform devices never report a loss in
context.
The DISPC driver currently gets the context lost count for DSS power domain from
it's corresponding platform device instance("omapdss_dispc"). The DISPC platform
device is one of the child devices, and it's corresponding hwmod("dss_dispc")
doesn't report the context lost count correctly.
Modify dss_get_ctx_loss_count() such that it always takes the "omapdss_dss"
platform device as it's input, move the function to dss.c so that it has access
to that platform device.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Exynos DP changes for the 3.8 merge window.
- Device Tree support for Samsung Exynos DP
- SW Link training is cleaned up.
- HPD interrupt is supported.
* 'exynos-dp-next' of git://github.com/jingoo/linux:
video: exynos_dp: remove redundant parameters
video: exynos_dp: Fix incorrect setting for INT_CTL
video: exynos_dp: Reset and initialize DP before requesting irq
video: exynos_dp: Enable hotplug interrupts
video: exynos_dp: Move hotplug into a workqueue
video: exynos_dp: Remove sink control to D0
video: exynos_dp: Fix bug when checking dp->irq
video: exynos_dp: Improve EDID error handling
video: exynos_dp: Get pll lock before pattern set
video: exynos_dp: Clean up SW link training
video: exynos_dp: Check DPCD return codes
video: exynos_dp: device tree documentation
video: exynos_dp: Add device tree support to DP driver
Samsung Framebuffer changes for the 3.8 merge window.
- The bit definitions of header file are updated.
- Some minor typos are fixed.
- Some minor bugs of s3c_fb_check_var() are fixed.
* 'samsung-fb-next' of git://github.com/jingoo/linux:
video: s3c-fb: fix red offset and length for ARGB232 format
video: s3c-fb: return an error when bpp is invalid
video: s3c-fb: add "drop through" comment
video: s3c-fb: use dev_get_drvdata() instead of platform_get_drvdata()
video: s3c-fb: use FIMD_V8_VIDTCON0 for EXYNOS5 FIMD
video: s3c-fb: fix help message for FB_S3C_DEBUG_REGWRITE
video: s3c-fb: fix typo in comment
video: s3c-fb: add the bit definitions for VIDCON0_VIDOUT_WB
video: s3c-fb: move the bit definitions for DITHMODE register
video: s3c-fb: move the bit definitions for WINxMAP and WPALCON register
video: s3c-fb: move the bit definitions for VIDINTCON0 register
video: s3c-fb: move the address definition for VIDOSD register
video: s3c-fb: move the address definitions for VIDTCON registers
video: s3c-fb: clean the bit definition for WINCON register
This patch cleans up few redundant parameters keeping
the same functionality intact.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
INT_CTL register contains bits INT_POL0 and INT_POL1, and not INT_POL.
This patch fixes the wrong register setting for INT_CTL.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
If DP is not reset properly before kernel bootup(in bootloader code),
there can be few pending interrupts, and sometimes they invoke
DP irq handler as soon as the irq handler is registered in DP probe.
So, we make the DP driver more robust by resetting and
initializing DP at the earliest and then registering the irq handler.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Enable hotplug interrupts and move the hotplug scheduling into the
interrupt handler. This allows us to introduce a screen at any time
while we're running.
[jg1.han@samsung.com: moved the bit masking of hotplug interrupts]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Move the hotplug related code from probe and resume into a workqueue.
This allows us to initialize the DP driver (and resume it) when there
is no monitor connected.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
According to DP spec, it is not required in the Link Training
procedure.
[jg1.han@samsung.com: modified the commit message]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Fix a bug where we check !dp->irq instead of the correct check for
-ENXIO.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
EDID error handling has 2 problems:
- It doesn't fail as early as it can
- The retry counts for i2c and aux transactions are huge
This patch fails if the initial i2c transaction fails, and reduces the
aux and i2c retry counts down to 3.
[jg1.han@samsung.com: reduced the retry count of exynos_dp_read_byte_from_dpcd()]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
According to the exynos datasheet (Figure 49-10), we should wait for PLL
lock before programming the training pattern when doing software eDP
link training.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Clean up some of the SW training code to make it more clear and reduce
duplicate code.
[jg1.han@samsung.com: used exynos_dp_write_bytes_to_dpcd()]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Add return code checks to the DPCD transactions in the SW link training
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
This patch enables device tree based discovery support for DP driver.
The driver is modified to handle platform data in both the cases:
with DT and non-DT.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add dss_get_core_pdev() which returns the platform device for dss core
device. The following patches use the core pdev to register sysfs files
in the compat code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Move display sysfs related code from display.c to display-sysfs.c, for
clarity. The sysfs code will only be used for compat mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In order to make the scaling calculations independent of the current
hardware configuration (e.g. which manager is connected to this output),
we need to change the calc funcs to get all the variables needed for the
calculations via parameters.
This patch changes dispc_ovl_calc_scaling to get pclk and lclk as
parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In order to make the scaling calculations independent of the current
hardware configuration (e.g. which manager is connected to this output),
we need to change the calc funcs to get all the variables needed for the
calculations via parameters.
This patch changes calc_scaling to get pclk and lclk as parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In order to make the scaling calculations independent of the current
hardware configuration (e.g. which manager is connected to this output),
we need to change the calc funcs to get all the variables needed for the
calculations via parameters.
This patch changes check_horiz_timing_omap3() to get pclk and lclk as
parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In order to make the scaling calculations independent of the current
hardware configuration (e.g. which manager is connected to this output),
we need to change the calc funcs to get all the variables needed for the
calculations via parameters.
This patch changes calc_core_clk() function to get pclk as a parameter.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Change the dispc_plane_pclk_rate and dispc_plane_lclk_rate functions to
return 0 if the given plane is the writeback plane. The clocks are not
valid for WB, but returning 0 from these functions instead of running
into BUG() will simplify the code that uses these functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dispc_mgr_go() should never be called with manager output disabled or if
the GO bit is already set. Change the current silent returns to
WARN_ONs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Instead of doing direct register reads/writes, dispc_wb_enable() and
dispc_wb_is_enabled() functions can use the common overlay functions to
set and check the enable bit.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
WB will not be used with compat-mode, i.e. from omapfb. This means we
don't need the current complex dispc_wb_enable function, but can have a
simple register write version of the function.
This patch removes all the extra code from dispc_wb_enable()
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dispc_mgr_disable_digit_out() needs to wait until the DIGIT output is
turned off. This is done with either VSYNC irq on OMAP2/3 and
FRAMEDONETV on OMAP4+. It currently uses a rather hacky way to decide
what irq to use.
This patch changes dispc_mgr_disable_digit_out to use
dispc_mgr_get_framedone_irq to find out if there's framedone irq on this
SoC, and if not, uses VSYNC.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
OMAP2/3 do not have FRAMEDONETV irq, but later omaps do. We currently
always return 0 from dispc_mgr_get_framedone_irq() for TV output to be
compatible with OMAP2/3.
This patch implements "no_framedone_tv" dispc-feature that is used in
dispc_mgr_get_framedone_irq to return either 0 for OMAP2/3, or the
correct IRQ number for FRAMEDONETV on OMAP4+.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dsi_get_dsidev_from_id() gives a WARN if DSI support is not compiled in.
This warning is not right, as it's valid to call
dsi_get_dsidev_from_id() to see if there is DSI support or not.
Remove the WARN().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
If the DSI support has not been compiled in or the SoC doesn't have DSI
hardware, dpi_get_dsidev() returns NULL. This NULL is passed to
dpi_verify_dsi_pll() causing a crash. The bug was added with commit
0e8276ef75 (OMAPDSS: DPI: always use DSI
PLL if available).
Fix this by checking if dsidev is NULL before calling
dpi_verify_dsi_pll().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Remove dispc_mgr_is_channel_enabled() and dss_mgr_get_timings()
declarations, as the function doesn't exist.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* 'fbdev-next' of github.com:timur-tabi/linux-2.6:
drivers/video: fsl-diu-fb: store EDID data in the global object
drivers/video: fsl-diu-fb: don't touch registers for unused features
drivers/video: fsl-diu-fb: clean up reset of primary display
drivers/video: fsl-diu-fb: remove unused 'cursor_reset' variable
drivers/video: fsl-diu-fb: improve message displays
drivers/video: fsl-diu-fb: streamline enabling of interrupts
drivers/video: fsl-diu-fb: add support for set_gamma ioctls
drivers/video: fsl-diu-fb: simplify platforms that have only one port
MAINTAINERS: Make Timur Tabi the maintainer for the Freescale DIU driver
do clk_get on connection id "fck" to support OMAP based
platforms having multiple clocks for module. Without this
driver change clk_get fails on am335x.
This patch is based on the discussion in community
http://marc.info/?l=linux-kernel&m=135166018907827&w=2
Signed-off-by: Manjunathappa <prakash.pm@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Configure below LCDC configurations to optimal values, also have an
option configure these optional parameters for platform.
1) AC bias configuration: Required only for passive panels
2) Dma_burst_size:
3) FIFO_DMA_DELAY:
4) FIFO threshold: Does not apply for da830 LCDC.
Patch is verified for 16bpp and 24bpp configurations on da830, da850 and
am335x EVMs.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Adopt fb_videomode data instead of defining driver private
structure to hold panel information. This is the way standard FB
drivers maintain the panel information.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Merge SH Mobile LCDC patches from Laurent.
* 'lcdc-next' of git://linuxtv.org/pinchartl/fbdev:
fbdev: sh_mobile_lcdc: Make sh_mobile_lcdc_sys_bus_ops static
sh: kfr2r09: Use the backlight API for brightness control
ARM: mach-shmobile: ag5evm: Use the backlight API for brightness control
fbdev: sh_mobile_lcdc: Remove unused get_brightness pdata callback
sh: ecovec24: Remove unused get_brightness LCDC callback
sh: ap325rxa: Remove unused get_brightness LCDC callback
ARM: mach-shmobile: mackerel: Removed unused get_brightness callback
fbdev: sh_mobile_lcdc: Store the backlight brightness internally
fbdev: sh_mipi_dsi: Remove the unused sh_mipi_dsi_info lcd_chan field
ARM: mach-shmobile: Remove the unused sh_mipi_dsi_info lcd_chan field
fbdev: sh_mipi_dsi: Remove last reference to LCDC platform data
fbdev: sh_mipi_dsi: Use the LCDC entity default mode
fbdev: sh_mipi_dsi: Use the sh_mipi_dsi_info channel field
ARM: mach-shmobile: Initiliaze the new sh_mipi_dsi_info channel field
fbdev: sh_mipi_dsi: Add channel field to platform data
ARM: mach-shmobile: ag5evm: Add LCDC tx_dev field to platform data
fbdev: sh_mobile_lcdc: Remove priv argument from channel and overlay init
fbdev: sh_mobile_lcdc: Rename mode argument to modes
fbdev: sh_mobile_lcdc: Get display dimensions from the channel structure
fbdev: sh_mobile_lcdc: use dma_mmap_coherent
Although the DIU driver creates five framebuffer devices, only the first
one controls the physical display. The remaining four are virtual "AOIs".
Therefore, the EDID data should be stored in the global fsl_diu_data
object, instead of the per-framebuffer object.
Signed-off-by: Timur Tabi <timur@freescale.com>
We don't use the writeback buffer, so don't initialize the registers for
that feature.
The default value for SYN_POL is already zero, so don't re-initialize it.
Writing the INT_STATUS register does nothing.
The value that we write to the PLUT register only makes sense on the
MPC8610 and P1022, so don't touch that register on the MPC5121.
Signed-off-by: Timur Tabi <timur@freescale.com>
Commit 4b5006ec ("shared DIU framebuffer support") added the ability to
retain the splash screen until the framebuffer is opened by user space.
Clean up this code to eliminate redundant writes to registers, and eliminate
the use of dummy area descriptor.
Signed-off-by: Timur Tabi <timur@freescale.com>
Remove functions request_irq_local() and free_irq_local(), and merge
their code into the functions that handle opening and closing the
framebuffer. We also improve the way that interrupts are enabled.
Also implement a work-around for broken U-Boots that leave the DIU
interrupts enabled.
Signed-off-by: Timur Tabi <timur@freescale.com>
The MPC5121 BSP comes with a gamma_set utility that initializes the gamma
table via an ioctl. Unfortunately, the ioctl number that utility uses
is defined improperly, but we can still support it.
Signed-off-by: Timur Tabi <timur@freescale.com>
Allow the platform code not to define a value for diu_ops.set_monitor_port.
This would be for platforms that only have one monitor port.
set_monitor_port() will never be called with an unsupported port anyway.
Signed-off-by: Timur Tabi <timur@freescale.com>
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Merge tag 'v3.7-rc7' into next/cleanup
Merging in mainline back to next/cleanup since it has collected a few
conflicts between fixes going upstream and some of the cleanup patches.
Git doesn't auto-resolve some of them, and they're mostly noise so let's
take care of it locally.
Conflicts are in:
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
arch/arm/plat-omap/i2c.c
drivers/video/omap2/dss/dss.c
Signed-off-by: Olof Johansson <olof@lixom.net>
Green pixel and blue pixel are 3 bits and 2 bits respectively
at ARGB232 format. Thus, the value of red offset should be 5,
not 4. Also, the value of red length should be 2, because
red pixel is 2 bits at ARGB232 format.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
This patch returns an error, when bpp is invalid in
s3c_fb_check_var(). If invalid bpp is requested,
an error should be returned.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Because there is no need to access to the platform device in
suspend/resume and runtime_suspend/resume, dev_get_drvdata()
can be used instead of platform_get_drvdata() to make the code
smaller.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
This patch uses FIMD_V8_VIDTCON0 as the address definition
of VIDTCON0 register, because the address offset of VIDTCONx
registers is changed from 0x0 to 0x20000 for EXYNOS5 FIMD.
So, FIMD_V8_VIDTCON0 should be used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
The help message of config FB_S3C_DEBUG_REGWRITE is fixed,
because printk(KERN_DEBUG) was replaced with pr_debug().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Merge my own merge branch to get various fixes from there
and upstream, especially the hvc console tty refcouting fixes
which which testing is quite a bit harder...
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Merge tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux
Pull omapdss fixes from Tomi Valkeinen:
"Here are a few OMAPDSS fixes for the next -rc. I'm sending these
directly to you, and quite late, as the fbdev tree maintainer
(Florian) has been busy with his work and hasn't had time to manage
the fb patches."
* tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux:
OMAPDSS: do not fail if dpll4_m4_ck is missing
OMAPFB: Fix possible null pointer dereferencing
OMAPDSS: HDMI: fix missing unlock on error in hdmi_dump_regs()
omapdss: dss: Fix clocks on OMAP363x
OMAPDSS: DSI: fix dsi_get_dsidev_from_id()
omapfb compilation fails on x86 (but not on omap):
drivers/video/omap2/omapfb/omapfb-ioctl.c: In function ‘omapfb_ioctl’:
drivers/video/omap2/omapfb/omapfb-ioctl.c:861:23: error: ‘SZ_1M’ undeclared (first use in this function)
drivers/video/omap2/omapfb/omapfb-ioctl.c:861:23: note: each undeclared identifier is reported only once for each function it appears in
Fix this by including linux/sizes.h.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Do not fail if dpll4_m4_ck is missing. The clock is not there on omap24xx,
so this should not be a hard error.
The patch retains the functionality before the commit 185bae10 (OMAPDSS:
DSS: Cleanup cpu_is_xxxx checks).
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Register the DSS driver after SPI probe. This simplifies the
initialization. This is similar to what is being done e.g.
in panel-acx565akm.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
From Alexander Shiyan:
The main direction of this patchset - approaching the platform to the
possibility of using configurations with multiple platforms in a single
kernel. Added support of the majority of the necessary kernel symbol.
Also part of the driver code used only for the platform was moved to the
board code and converted to the use of standard drivers.
* clps711x/soc2:
MAINTAINERS: Add ARM CLPS711X entry
ARM: clps711x: Update defconfig due latest changes and new kernel symbols
ARM: clps711x: Rename board files to match functionality
ARM: clps711x: edb7211: Add support for NOR-Flash
ARM: clps711x: Moving backlight controls of framebuffer driver to the board
ARM: clps711x: p720t: Special driver for handling NAND memory is removed
ARM: clps711x: Moving power management of framebuffer driver to the board
ARM: clps711x: autcpu12: Special driver for handling NAND memory is removed
ARM: clps711x: Unused empty "ACK" calls for IRQ-chips removed
ARM: clps711x: Add FIQ interrupt handling
ARM: clps711x: Implement usage "MULTI_IRQ_HANDLER" kernel option for a platform
ARM: clps711x: Implement usage "SPARSE_IRQ" kernel option for a platform
ARM: clps711x: cdb89712: Special driver for handling memory is removed
ARM: clps711x: Always select AUTO_ZRELADDR for a platform
ARM: clps711x: p720t: Unneeded inclusion of head-sa1100.S removed
ARM: clps711x: Transform clps711x-framebuffer to platform driver and use it
ARM: clps711x: p720t: Using "leds-gpio" driver for LED control
ARM: clps711x: Using platform_driver for ethernet device
This patch moves the backlight controls for clps711x-framebuffer driver
to the board code. To control we use "generic-bl" driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
[olof: fixed space/tab whitespace in drivers/video/clps711xfb.c]
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch moves the power management for clps711x-framebuffer driver
to the board code. To control we use "platform-lcd" driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Olof Johansson <olof@lixom.net>
There's no need to query the hardware for the currenty brightness value
through a platform data callback when we can cache the value internally
in the LCDC driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
The format check that references LCDC platform data isn't needed, as the
mismatch between LCDC and MIPI-DSI platform it detects would result in a
badly displayed image, which isn't worse than a complete failure to
setup the transmitter.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
