Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
regulator_enable() is marked as as __must_check. Therefore the return
value of regulator_enable() should be checked. Also, this patch checks
return value of regulator_set_voltage().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add missing braces to include error message. The error message is
related to the return value for sysfs_create_group(). However,
sysfs_create_group() is called when pdata->en_ambl_sens is not zero.
Thus, the checking return value should be included in the if statement.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
dev_info() is preferred to pr_info().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
dev_info() is preferred to pr_info().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
dev_err()/dev_info() are preferred to pr_err()/pr_info().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
While doing with make W=1 gcc (gcc (GCC) 4.7.2 20121109 (Red Hat
4.7.2-8)) I found
drivers/video/backlight/lp855x_bl.c: In function `lp855x_probe':
drivers/video/backlight/lp855x_bl.c:342:35: warning: variable `mode' set but not used [-Wunused-but-set-variable]
fixed by removing it as since its not used anywhere
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When platform_driver_probe() is used, bind/unbind via sysfs is disabled.
Thus, __init/__exit annotations can be added to probe()/remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the module_platform_driver_probe() macro which makes the code
smaller and simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When platform_driver_probe() is not used, bind/unbind via sysfs is
enabled. Thus, __init/__exit annotations should be removed from
probe()/remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the macro such as SIMPLE_DEV_PM_OPS is used, there is no need to
use '#ifdef CONFIG_PM' to prevent build error. Thus, this patch removes
unnecessary ifdefs.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Removed legacy hw definitions in hw/mmp_ctrl.h. These definitions are
for earlier soc versions and are not supported in this driver.
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Lisa Du <cldu@marvell.com>
Cc: Guoqing Li <ligq@marvell.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove the __init tags from the ep93xxfb_calc_fbsize() and
ep93xxfb_alloc_videomem() functions to fix the section mismatch
warnings.
Use module_platform_driver() to remove the init/exit boilerplate.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error
handling.
devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Donghwa Lee <dh09.lee@samsung.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the driver for the Hyper-V Synthetic Video, which supports
screen resolution up to Full HD 1920x1080 on Windows Server 2012 host,
and 1600x1200 on Windows Server 2008 R2 or earlier. It also solves the
double mouse cursor issue of the emulated video mode.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Cc: Olaf Hering <olaf@aepfle.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
With make W=1 we get
drivers/video/console/fbcon_cw.c: In function `cw_update_attr':
drivers/video/console/fbcon_cw.c:30:8: warning: variable `t' set but not used [-Wunused-but-set-variable]
fixed by removing as since its used nowhere
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Convert the struct i2c_msg initialization to C99 format. This makes
maintaining and editing the code simpler. Also helps once other fields
like transferred are added in future.
Thanks to Julia Lawall for automating the conversion.
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Julia Lawall <julia@diku.dk>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* use vm_iomap_memory() in various fb drivers to map the fb memory to userspace
* Cleanups for the videomode and display_timing features
* Updates to vt8500, wm8505 and auo-k190x fb drivers
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Merge tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev updates from Tomi Valkeinen:
- use vm_iomap_memory() in various fb drivers to map the fb memory to
userspace
- Cleanups for the videomode and display_timing features
- Updates to vt8500, wm8505 and auo-k190x fb drivers
* tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux: (36 commits)
fbdev: fix check for fb_mmap's mmio availability
fbdev: improve fb_mmap bounds checks
fbdev/ps3fb: use vm_iomap_memory()
fbdev/sgivwfb: use vm_iomap_memory()
fbdev/vermillion: use vm_iomap_memory()
fbdev/sa1100fb: use vm_iomap_memory()
fbdev/fb-puv3: use vm_iomap_memory()
fbdev/controlfb: use vm_iomap_memory()
fbdev/omapfb: use vm_iomap_memory()
video: vt8500: fix Kconfig for videomode
video/s3c: move platform_data out of arch/arm
video/exynos: remove unnecessary header inclusions
drivers/video: fsl-diu-fb: add hardware cursor support
drivers: video: use module_platform_driver_probe()
ARM: OMAP: remove "config FB_OMAP_CONSISTENT_DMA_SIZE"
video: wm8505fb: Convert to devm_ioremap_resource()
AUO-K190x: Add resolutions for portrait displays
AUO-K190x: add framebuffer rotation support
AUO-K190x: add a 16bit truecolor mode
AUO-K190x: make color handling more flexible
...
- Populate the boot_params with EDD data.
- Cleanups in the IRQ code.
Bug-fixes:
- CPU hotplug offline/online in PVHVM mode.
- Re-upload processor PM data after ACPI S3 suspend/resume cycle.
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Merge tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen updates from Konrad Rzeszutek Wilk:
"Features:
- Populate the boot_params with EDD data.
- Cleanups in the IRQ code.
Bug-fixes:
- CPU hotplug offline/online in PVHVM mode.
- Re-upload processor PM data after ACPI S3 suspend/resume cycle."
And Konrad gets a gold star for sending the pull request early when he
thought he'd be away for the first week of the merge window (but because
of 3.9 dragging out to -rc8 he then re-sent the reminder on the first
day of the merge window anyway)
* tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: resolve section mismatch warnings in xen-acpi-processor
xen: Re-upload processor PM data to hypervisor after S3 resume (v2)
xen/smp: Unifiy some of the PVs and PVHVM offline CPU path
xen/smp/pvhvm: Don't initialize IRQ_WORKER as we are using the native one.
xen/spinlock: Disable IRQ spinlock (PV) allocation on PVHVM
xen/spinlock: Check against default value of -1 for IRQ line.
xen/time: Add default value of -1 for IRQ and check for that.
xen/events: Check that IRQ value passed in is valid.
xen/time: Fix kasprintf splat when allocating timer%d IRQ line.
xen/smp/spinlock: Fix leakage of the spinlock interrupt line for every CPU online/offline
xen/smp: Fix leakage of timer interrupt line for every CPU online/offline.
xen kconfig: fix select INPUT_XEN_KBDDEV_FRONTEND
xen: drop tracking of IRQ vector
x86/xen: populate boot_params with EDD data
Commit fc9bbca8f6 (vm: convert fb_mmap to
vm_iomap_memory() helper) made fbmem.c use vm_iomap_memory, but also
accidentally removed the check for mmio's availability.
Add the check back.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Improve fb_mmap bounds checks in gbefb, smscufx, udlfb and vfb drivers to
prevent possible uint overflows.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Steve Glendinning <steve.glendinning@smsc.com>
Cc: Bernie Thompson <bernie@plugable.com>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Alan Hourihane <alanh@fairlite.demon.co.uk>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
commit ae1287865f
Author: Dave Airlie <airlied@redhat.com>
Date: Thu Jan 24 16:12:41 2013 +1000
fbcon: don't lose the console font across generic->chip driver switch
uses a pointer in vc->vc_font.data to load font into the new driver.
However if the font is actually freed, we need to clear the data
so that we don't reload font from dangling pointer.
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=892340
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add host1x, the driver for host1x and its client unit 2D. The Tegra
host1x module is the DMA engine for register access to Tegra's
graphics- and multimedia-related modules. The modules served by
host1x are referred to as clients. host1x includes some other
functionality, such as synchronization.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This is my example conversion of a few existing mmap users. The
fb_mmap() case is a good example because it is a bit more complicated
than some: fb_mmap() mmaps one of two different memory areas depending
on the page offset of the mmap (but happily there is never any mixing of
the two, so the helper function still works).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
PPC_PREP is marked as BROKEN since v2.6.15. Remove all PReP specific
code now.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Found with coccinelle.
Signed-off-by: Andrei Epure <epure.andrei@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A randconfig compile test discovered that we can select
INPUT_XEN_KBDDEV_FRONTEND without all of its dependencies being met. Fix
this by adding the dependency to the select line.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
GENERIC_GPIO is now equivalent to GPIOLIB and features that depended on
GENERIC_GPIO can now depend on GPIOLIB to allow removal of this option.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
The biggest changes are:
* DSI video mode: automatic clock and timing calculation
* Lots of platform data related panel driver cleanups, to prepare for DT
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Merge tag 'omapdss-for-3.10' of git://gitorious.org/linux-omap-dss2/linux into drm-next
Omapdss patches for 3.10 merge window
The biggest changes are:
* DSI video mode: automatic clock and timing calculation
* Lots of platform data related panel driver cleanups, to prepare for DT
* tag 'omapdss-for-3.10' of git://gitorious.org/linux-omap-dss2/linux: (69 commits)
drm/omap: add statics to a few structs
drm/omap: Fix and improve crtc and overlay manager correlation
drm/omap: Take a fb reference in omap_plane_update()
drm/omap: Make fixed resolution panels work
drm/omap: fix modeset_init if a panel doesn't satisfy omapdrm requirements
OMAPDSS: DPI: widen the pck search when using dss fck
OMAPDSS: fix dss_fck clock rate rounding
omapdss: use devm_clk_get()
OMAPDSS: nec-nl8048 panel: Use dev_pm_ops
OMAPDSS: DISPC: Revert to older DISPC Smart Standby mechanism for OMAP5
OMAPDSS: DISPC: Configure doublestride for NV12 when using 2D Tiler buffers
omapdss: Features: Fix some parameter ranges
omapdss: DISPC: add max pixel clock limits for LCD and TV managers
OMAPDSS: DSI: Use devm_clk_get()
drivers: video: omap2: dss: Use PTR_RET function
OMAPDSS: VENC: remove platform_enable/disable calls
OMAPDSS: n8x0 panel: remove use of platform_enable/disable
OMAPDSS: n8x0 panel: handle gpio data in panel driver
OMAPDSS: picodlp panel: remove platform_enable/disable callbacks
OMAPDSS: picodlp panel: handle gpio data in panel driver
...
OF_DISPLAY_TIMING and OF_VIDEOMODE Kconfig entries have been removed,
and VIDEOMODE_HELPERS should be used now. Fix the Kconfig for VT8500
driver to reflect this.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In order to make it easier to port the code to other operating systems
(like the BSDs), relicense the HDMI helpers under the more permissive
MIT license.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The s3c-fb driver requires header files from the samsung platforms
to find its platform_data definition, but this no longer works on
multiplatform kernels, so let's move the data into a new header
file under include/linux/platform_data.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-fbdev@vger.kernel.org
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In multiplatform configurations, we cannot include headers
provided by only the exynos platform. Fortunately a number
of drivers that include those headers do not actually need
them, so we can just remove the inclusions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-fbdev@vger.kernel.org
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
When not using DSI PLL to generate the pixel clock, but DSS FCK, the
possible pixel clock rates are rather limited. DSS FCK is currently used
on OMAP2 and OMAP3.
When using Beagleboard with a monitor that supports high resolutions,
the clock rates do not match (at least for me) for the monitor's pixel
clocks within the current threshold in the code, which is +/- 1MHz.
This patch widens the search up to +/- 15MHz. The search is done in
steps, i.e. it first tries to find a rather exact clock, than a bit less
exact, etc. so this should not change the cases where a clock was
already found.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
DSS func clock is calculated with prate / div * m. However, the current
omapdss code calculates it with prate * m / div, which yields a slightly
different result when there's a remainder. For example, 432000000 / 14 *
2 = 61714284, but 432000000 * 2 / 14 = 61714285.
In addition to that, the clock framework wants the clock rate given with
clk_set_rate to be higher than the actual (truncated) end result. So, if
prate is 432000000, and div is 14, the real result is 30857142.8571...
We need to call clk_set_rate with 30857143, which gives us a clock of
30857142. That's why we need to use DIV_ROUND_UP() when calling
clk_set_rate.
This patch fixes the clock calculation.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The Freescale DIU supports a 32x32 color hardware cursor. Framebuffer
cursors are monochrome, so the driver converts the image data to the
format that the DIU expects and then programs to hardware accordingly.
The support cursor enabling/disabling, we provide two cursor image buffers.
One is always blank (all zeroes), and the other contains the real cursor
image data. To disable the cursor (used typically for cursor blinking),
we just tell the hardware to use the blank cursor data.
Signed-off-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch converts the drivers to use the
module_platform_driver_probe() macro which makes the code smaller and
a bit simpler.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> # atmel_lcdfb.c
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # amifb.c
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The only user of Kconfig symbol FB_OMAP_CONSISTENT_DMA_SIZE got removed
in v3.8, with commit 6ba54ab4a4 ("ARM:
OMAP: Remove omap_init_consistent_dma_size()"). Remove this symbol too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use devm_clk_get() instead of clk_get() for dss, and for outputs hdmi
and venc. This reduces code and simplifies error handling.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use dev_pm_ops instead of the deprecated legacy suspend/resume callbacks.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
DISPC on OMAP5 has a more optimised mechanism of asserting Mstandby to achieve
more power savings when DISPC is configured in Smart Standby mode. This
mechanism leads to underflows when multiple DISPC pipes are enabled.
There is a register field which can let us revert to the older mechanism of
asserting Mstandby. Configure this field to prevent underflows.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
When using a DISPC video pipeline to a fetch a NV12 buffer in a 2D container, we
need to set set a doublestride bit in the video pipe's ATTRIBUTES register. This
is needed because the stride for the UV plane(using a 16 bit Tiler container) is
double the stride for the Y plane(using a 8 bit Tiler container) for the 0 or
180 degree views. The ROW_INC register is meant for the Y plane, and the HW will
calculate the row increment needed for the UV plane by using double the stride
value based on whether this bit is set or not.
Set the bit when we are using a 2D Tiler buffer and when rotation is 0 or 180
degrees. The stride value is the same for 90 and 270 degree Tiler views, hence
the bit shouldn't be set.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Increase the DSS_FCLK and DSI_FCLK max supported frequencies, these come because
some frequencies were increased from OMAP5 ES1 to OMAP5 ES2. We support only
OMAP5 ES2 in the kernel, so replace the ES1 values with ES2 values. Increase the
DSI PLL Fint range, this was previously just copied from the OMAP4 param range
struct.
Fix the maximum DSS_FCLK on OMAP2, it's 133 Mhz according to the TRM.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Each version of OMAP has a limitation on the maximum pixel clock frequency
supported by an overlay manager. This limit isn't checked by omapdss. Add
dispc feats for lcd and tv managers and check whether the target timings can
be supported or not.
The pixel clock limitations are actually more complex. They depend on which OPP
OMAP is in, and they also depend on which encoder is the manager connected to.
The OPP dependence is ignored as DSS forces the PM framework to be on OPP100
when DSS is enabled, and the encoder dependencies are ignored by DISPC for now.
These limits should come from the encoder driver.
The OMAP2 TRM doesn't mention the maximum pixel clock limit. This value is left
as half of DSS_FCLK, as OMAP2 requires the PCD to be atleast 2.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use PTR_RET function instead of IS_ERR and PTR_ERR.
Patch found using coccinelle.
Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
misc device gets ->private_data pointing to struct miscdevice
on open(), so we can use that to get to per-device structure
instead of relying on file_operations being copied into it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data. Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This series consists mainly of clean-ups for clockevents and
clocksource timers on OMAP2+ devices. The most significant change
in functionality comes from the 5th patch which is changing the
selection of the clocksource timer for OMAP3 and AM335x devices
when gptimers are used for clocksource.
Note that this series depends on 7185684 (ARM: OMAP: use
consistent error checking) in RMK's tree and 960cba6 (ARM:
OMAP5: timer: Update the clocksource name as per clock data)
in omap-for-v3.10/fixes-non-critical. So this branch is based
on a merge of 7185684 and omap-for-v3.10/fixes-non-critical
to avoid non-trivial merge conflicts.
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Merge tag 'omap-for-v3.10/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers
From Tony Lindgren <tony@atomide.com>:
Clean-up for omap2+ timers from Jon Hunter <jon-hunter@ti.com>:
This series consists mainly of clean-ups for clockevents and
clocksource timers on OMAP2+ devices. The most significant change
in functionality comes from the 5th patch which is changing the
selection of the clocksource timer for OMAP3 and AM335x devices
when gptimers are used for clocksource.
Note that this series depends on 7185684 (ARM: OMAP: use
consistent error checking) in RMK's tree and 960cba6 (ARM:
OMAP5: timer: Update the clocksource name as per clock data)
in omap-for-v3.10/fixes-non-critical. So this branch is based
on a merge of 7185684 and omap-for-v3.10/fixes-non-critical
to avoid non-trivial merge conflicts.
* tag 'omap-for-v3.10/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4+: Fix sparse warning in system timers
ARM: OMAP2+: Store ID of system timers in timer structure
ARM: OMAP3: Update clocksource timer selection
ARM: OMAP2+: Simplify system timers definitions
ARM: OMAP2+: Simplify system timer clock definitions
ARM: OMAP2+: Remove hard-coded test on timer ID
ARM: OMAP2+: Display correct system timer name
ARM: OMAP2+: fix typo "CONFIG_BRIDGE_DVFS"
ARM: OMAP1: remove "config MACH_OMAP_HTCWIZARD"
ARM: OMAP: dpll: enable bypass clock only when attempting dpll bypass
ARM: OMAP2+: powerdomain: avoid testing whether an unsigned char is less than 0
ARM: OMAP2+: hwmod: Remove unused _HWMOD_WAKEUP_ENABLED flag
ARM: OMAP2+: am335x: Change the wdt1 func clk src to per_32k clk
ARM: OMAP2+: AM33xx: hwmod: Add missing sysc definition to wdt1 entry
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This series adds support for the pinctrl/gpio module on all arch-vt8500
supported SoCs.
As part of the review process, some tidy up is also done to
drivers/of/base.c to remove some code that is being constantly duplicated.
Also, a patch for the bcm2835 pinctrl driver is included to take advantage
of the new of/base.c code.
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Merge tag 'vt8500/pinctrl' of git://server.prisktech.co.nz/git/linuxwmt into next/drivers
From Tony Prisk <linux@prisktech.co.nz>:
arm: vt8500: Add pinctrl driver for arch-vt8500
This series adds support for the pinctrl/gpio module on all arch-vt8500
supported SoCs.
As part of the review process, some tidy up is also done to
drivers/of/base.c to remove some code that is being constantly duplicated.
Also, a patch for the bcm2835 pinctrl driver is included to take advantage
of the new of/base.c code.
* tag 'vt8500/pinctrl' of git://server.prisktech.co.nz/git/linuxwmt: (606 commits)
pinctrl: bcm2835: make use of of_property_read_u32_index()
gpio: vt8500: Remove arch-vt8500 gpio driver
arm: vt8500: Remove gpio devicetree nodes
arm: dts: vt8500: Update Wondermedia SoC dtsi files for pinctrl driver
pinctrl: gpio: vt8500: Add pincontrol driver for arch-vt8500
arm: vt8500: Increase available GPIOs on arch-vt8500
of: Remove duplicated code for validating property and value
of: Add support for reading a u32 from a multi-value property.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Instead of using a custom binding for retrieving the GPIO that activates the
LCD from devicetree, use a standard regulator.
This approach has the advantage to be more generic.
For example: in the case of a board that has a PMIC supplying the LCD voltage,
the current approach would not work, as it only searches for a GPIO pin.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Merge tag 'fbdev-fixes-3.9-rc6' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev fixes from Tomi Valkeinen:
"Fix uvesafb crash bug and typoed flag name in fbmon's new videomode
code"
* tag 'fbdev-fixes-3.9-rc6' of git://gitorious.org/linux-omap-dss2/linux:
video:uvesafb: Fix dereference NULL pointer code path
fbmon: use VESA_DMT_VSYNC_HIGH to fix typo
Daniel writes:
Highlights:
- Imre's for_each_sg_pages rework (now also with the stolen mem backed
case fixed with a hack) plus the drm prime sg list coalescing patch from
Rahul Sharma. I have some follow-up cleanups pending, already acked by
Andrew Morton.
- Some prep-work for the crazy no-pch/display-less platform by Ben.
- Some vlv patches, by far not all (Jesse et al).
- Clean up the HDMI/SDVO #define confusion (Paulo)
- gen2-4 vblank fixes from Ville.
- Unclaimed register warning fixes for hsw (Paulo). More still to come ...
- Complete pageflips which have been stuck in a gpu hang, should prevent
stuck gl compositors (Ville).
- pm patches for vt-switchless resume (Jesse). Note that the i915 enabling
is not (yet) included, that took a bit longer to settle. PM patches are
acked by Rafael Wysocki.
- Minor fixlets all over from various people.
* tag 'drm-intel-next-2013-03-23' of git://people.freedesktop.org/~danvet/drm-intel: (79 commits)
drm/i915: Implement WaSwitchSolVfFArbitrationPriority
drm/i915: Set the VIC in AVI infoframe for SDVO
drm/i915: Kill a strange comment about DPMS functions
drm/i915: Correct sandybrige overclocking
drm/i915: Introduce GEN7_FEATURES for device info
drm/i915: Move num_pipes to intel info
drm/i915: fixup pd vs pt confusion in gen6 ppgtt code
style nit: Align function parameter continuation properly.
drm/i915: VLV doesn't have HDMI on port C
drm/i915: DSPFW and BLC regs are in the display offset range
drm/i915: set conservative clock gating values on VLV v2
drm/i915: fix WaDisablePSDDualDispatchEnable on VLV v2
drm/i915: add more VLV IDs
drm/i915: use VLV DIP routines on VLV v2
drm/i915: add media well to VLV force wake routines v2
drm/i915: don't use plane pipe select on VLV
drm: modify pages_to_sg prime helper to create optimized SG table
drm/i915: use for_each_sg_page for setting up the gtt ptes
drm/i915: create compact dma scatter lists for gem objects
drm/i915: handle walking compact dma scatter lists
...
None of mxsfb users uses mxsfb_platform_data now. Let's remove it
from mxsfb driver.
As the result, include/linux/mxsfb.h gets deleted with a few macros
moved into mxsfb.c. Along with the change, the typo "FAILING" in macro
name is fixed to be "FALLING".
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Use videomode helpers to get display timings and configurations from
device tree when platform_data is absent.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
There is no in-tree mxsfb users using mxsfb_platform_data dotclk_delay.
Let's remove it from mxsfb_platform_data to ease full device tree
adoption of mxsfb driver. If later we have platform/board need to
configure this parameter, we can add it into device tree bindings.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
There is no in-tree users of mxsfb_platform_data fb_phys/fb_size.
With CMA support in the kernel, there is no real need for platform to
reserve memory and pass address and size into driver via platform_data.
So let's remove fb_phys/fb_size from mxsfb_platform_data to ease full
device tree adoption.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The controller also contains support for displays in a portrait
orientation and it seems devices which such displays really reached
the market - Pandigital Novell seems to be one example.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Change the driver to use the framebuffer rotation functions to be
able to change the rotation at runtime.
This also removes the setting of the rotation via the platform data.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Some applications seem to have problems using the 8bit grayscale mode.
Therefore provide a 16bit truecolor mode which also gets converted to
the 4bit grayscale the display uses, when updating a region.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Don't hardcode the 8bit mode in all parts. This creates the possibility
to add another colormode easily later on.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Provides a central place for this, which will be helpful for
the following changes.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use only information from the new var to calculate the amount
of memory needed.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In the recover function the device gets powercycled and is after
this again active, independent of its previous state.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The controller init may be called from a context where the device
is runtime suspended, leading to a deadlock, as the controllers only
accepts the wakeup command when suspended.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Previously all functions that used the line length used xres directly,
thus hardcoding a 8bits per pixel value.
This patch calculates the correct line length according to the actual
bits per pixel value and changes all line length users to use the
calculated line length value.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Now that a display timing binding is available, convert our almost identical
binding to use the standard binding.
This patch converts the vt8500 and wm8505 framebuffer drivers and
associated dts/dtsi files to use the standard binding as defined in
bindings/video/display-timing.txt.
There are two side-effects of making this conversion:
1) The fb node should now be in the board file, rather than the soc file as
the display-timing node is a child of the fb node.
2) We still require a bits per pixel property to initialize the framebuffer
for the different lcd panels. Rather than including this as part of the
display timing, it is moved into the framebuffer node.
I have also taken the opportunity to alphabetise the includes of each
driver to avoid double-ups.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The contrast value was typo'd on the original commit (0x80 instead of
0x08). Following feedback from an enduser, a value of 0x10 seems more
suitable due to the default backlight being <100%.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Reviewed-by: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
The patch makes some other cleanups. First, the original code used
devm_kzalloc, but kfree. This would lead to a double free. The problem
was found using the following semantic match (http://coccinelle.lip6.fr/):
// <smpl>
@@
expression x,e;
@@
x = devm_kzalloc(...)
... when != x = e
?-kfree(x,...);
// </smpl>
The error-handing code of devm_request_and_ioremap does not print any
warning message, because devm_request_and_ioremap does this.
The call to dma_alloc_coherent is converted to its devm equivalent,
dmam_alloc_coherent. This implicitly introduces a call to
dmam_free_coherent, which was completly missing in the original code.
A semicolon is removed at the end of the error-handling code for the call
to dma_alloc_coherent.
The block of code calling fb_alloc_cmap is moved below the block of code
calling wm8505fb_set_par, so that the error-handing code of the call to
wm8505fb_set_par can just return ret. This way there is only one block of
error-handling code that needs to call fb_dealloc_cmap, and so this is
moved up to the place where it is needed, eliminating the need for all
gotos and labels in the function. This was suggested by Tony Prisk.
The initializations of fbi and ret at the beginning of the function are not
necessary and are removed. The call platform_set_drvdata(pdev, NULL); at
the end of the function is also removed.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch corrects the descriptions for the VIA VT8500 and
Wondermedia WM8xxx-series framebuffer drivers to correctly reflect
which hardware they support.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Reviewed-by: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
With the conversion to devicetree only for arch-vt8500, this
header is no longer required. This patch removes the #include
from the two framebuffer drivers that used it, and the header file.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Reviewed-by: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
wmt_ge_rops is a seperate driver to vt8500/wm8505 framebuffer
driver but is currently a required option. This patch makes
accelerated raster ops optional.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Reviewed-by: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The platform_enable/disable callbacks in board files for VENC omap_dss_device
instances don't do anything. Hence, we can remove these callbacks from the VENC
driver.
Signed-off-by: Archit Taneja <archit@ti.com>
The n8x0 panel driver now manages the gpios required to configure the panel.
This was previously done in panel_n8x0_data's platform_enable/disable callbacks
defined in board files using this panel.
All the board files using this panel now pass the gpio information as platform
data via the panel_n8x0_data struct, which is needed by the panel driver to
configure the gpios connected to the panel. Hence, the uses of
platform_enable/disable ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
The n8x0 panel driver leaves gpio configurations to the platform_enable and
disable calls in the platform's board file. These should happen in the panel
driver itself.
A platform data struct called panel_n8x0_data already exists to hold gpio
numbers and other platform data. However, the gpio requests are expected to be
done in the board file and not the panel driver.
Request all the gpios in the panel driver so that the board files which use
the the panel don't need to do it. This will help in removing the need for the
panel drivers to have platform related callbacks.
Signed-off-by: Archit Taneja <archit@ti.com>
The picodlp panel driver now manages the gpios required to configure the
panel. This was previously done in omap_dss_device's platform_enable/disable
callbacks defined in board files using this panel.
All the board files using this panel now pass the gpio information as platform
data via the panel_generic_dpi_data struct, which is needed by the panel driver
to configure the gpios connected to the panel. Hence, the
platform_enable/disable ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
The picodlp panel driver leaves gpio requests to the platform's board file.
These should happen in the panel driver itself.
A platform data struct called picodlp_panel_data already exists to hold gpio
numbers and other platform data. Request all the gpios in the panel driver so
that the board files which use the the panel don't need to do it.
This will help in removing the need for the panel drivers to have platform
related callbacks.
Signed-off-by: Archit Taneja <archit@ti.com>
The tpo-td043 panel driver now manages the gpios required to configure the panel.
This was previously done in omap_dss_device's platform_enable/disable callbacks
defined in board files using this panel.
All the board files using this panel now pass the gpio information as platform
data via the panel_tpo_td043_data struct, which is needed by the panel driver to
configure the gpios connected to the panel. Hence, the platform_enable/disable
ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
The tpo-td043mtea1 panel driver leaves gpio configurations to the
platform_enable and disable calls in the platform's board file. These should
happen in the panel driver itself.
Create a platform data struct for the panel, this contains the reset gpio
number used by the panel driver, this struct will be passed to the panel driver
as platform data. The driver will request and configure the reset gpio rather
than leaving it to platform callbacks in board files.
This will help in removing the need for the panel drivers to have platform
related callbacks.
Signed-off-by: Archit Taneja <archit@ti.com>
The nec-nl8048 panel driver now manages the gpios required to configure the
panel. This was previously done in omap_dss_device's platform_enable/disable
callbacks defined in board files using this panel.
All the board files using this panel now pass the gpio information as platform
data via the panel_nec_nl8048_data struct, which is needed by the panel driver
to configure the gpios connected to the panel. Hence, the
platform_enable/disable ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
The nec-nl8048hl11-01 panel driver leaves gpio configurations to the
platform_enable and disable calls in the platform's board file. These should
happen in the panel driver itself.
Create a platform data struct for the panel, this contains the gpio numbers
used by the panel driver, this struct will be passed to the panel driver as
platform data. The driver will request and configure these gpios rather than
leaving it to platform callbacks in board files.
This will help in removing the need for the panel drivers to have platform
related callbacks.
Signed-off-by: Archit Taneja <archit@ti.com>
The acx565akm panel driver leaves gpio configurations to the platform_enable
and disable calls in the platform's board file. These should happen in the panel
driver itself.
Create a platform data struct for the panel, this contains the reset gpio number
used by the panel driver, this struct will be passed to the panel driver as
platform data. The driver will request and configure the reset gpio rather than
leaving it to platform callbacks in board files.
This will help in removing the need for the panel drivers to have platform
related callbacks.
Signed-off-by: Archit Taneja <archit@ti.com>
The sharp-ls panel driver now manages the gpios required to configure the panel.
This was previously done in omap_dss_device's platform_enable/disable callbacks
defined in board files using this panel.
All the board files using this panel now pass the gpio information as platform
data via the panel_sharp_ls037v7dw01_data struct, which is needed by the panel
driver to configure the gpios connected to the panel. Hence, the
platform_enable/disable ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
Move the GPIO handling from board file's platform callbacks to the panel
driver, which gets the gpios via platform data.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The generic dpi panel driver now sets the gpios required to configure the panel.
This was previously done in platform_enable/disable callbacks in board files.
All the board files using generic dpi panel now correctly pass the gpio related
information as platform data, which is needed by the panel driver to configure
the panel. Hence, the platform_enable/disable ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
The lgphilips panel driver now manages the gpios required to configure the
panel. This was previously done in omap_dss_device's platform_enable/disable
callbacks defined in board files using this panel.
All the board files using this panel now pass the gpio information as platform
data via the panel_generic_dpi_data struct, which is needed by the panel driver
to configure the gpios connected to the panel. Hence, the
platform_enable/disable ops can be safely removed now.
Signed-off-by: Archit Taneja <archit@ti.com>
The lgphilips panel driver leaves gpio configurations to the platform_enable
and disable calls in the platform's board file. These should happen in the
panel driver itself.
Use the platform data as defined for generic dpi panels to pass gpio information
to the lgphilips driver.
This will help in removing the need for the panel drivers to have platform
related callbacks.
Signed-off-by: Archit Taneja <archit@ti.com>
The generic dpi panel driver leaves gpio configurations to the platform_enable
and disable calls in the platform's board file. These should happen in the
panel driver itself.
Add a generic way of passing gpio information to the generic dpi panel driver
via it's platform_data. This information includes the number of gpios used by
the panel, the gpio number and logic level (active high/low) for each gpio. This
gpio data will be used by the driver to request and configure the gpios required
by the panel.
This will help in removing the need for the panel drivers to have platform
related callbacks.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
The omap_dss_device structs's max_backlight_level is used to pass maximum
backlight level for the platform. However, no board file using this panel
populates this field. Therefore, we remove it's usage from the panel driver.
Signed-off-by: Archit Taneja <archit@ti.com>
Use devm_kzalloc instead of kzalloc to allocate driver data for the picodlp
panel driver. This simplifies the driver's probe and remove functions.
Signed-off-by: Archit Taneja <archit@ti.com>
Use devm_kzalloc instead of kzalloc to allocate driver data for the lg phillips
panel driver. This simplifies the driver's probe and remove functions.
Cc: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Use devm_kzalloc instead of kzalloc to allocate driver data for the generic dpi
panel driver. This simplifies the driver's probe and remove functions.
Signed-off-by: Archit Taneja <archit@ti.com>
The n8x0 panel contains support to call platform backlight functions.
These are not used by any board, and can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
NEC-nl8048hl11 driver contains support to call platform backlight
functions. These are not used by any board, and can be removed.
Signed-off-by: Archit Taneja <archit@ti.com>
Sharp ls037v7dw01 driver contains support to call platform backlight
functions. These are not used by any board, and can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
acx565akm has support to call set_backlight/get_backlight in platform
code. They are not used by any board, and thus can be removed from the
driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Use the new clock calculation code in the DSI driver.
The new code does not need DSI video mode parameters from the panel
driver, like the old code does. Instead the new code is given the normal
video timings, and a few DSI parameters, which are used to create DSI
video timings.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add new way to iterate over DSI PLL and HSDIV clock divisors.
dsi_pll_calc() and dss_hsdiv_calc() provide a generic way to go over
all the divisors, within given clock range. The functions will call a
callback function for each divider set, making the function reusable for
all use cases.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add new way to iterate over DSS clock divisors. dss_div_calc() provides
a generic way to go over all the divisors, within given clock range.
dss_div_calc() will call a callback function for each divider set,
making the function reusable for all use cases.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add new way to iterate over DISPC clock divisors. dispc_div_calc()
provides a generic way to go over all the divisors, within given pixel
clock range. dispc_div_calc() will call a callback function for each
divider set, making the function reusable for all use cases.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We always use the same clock sources for DSI, so let's remove the
unnecessary clock source fields from dsi_data.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Instead of managing DSI sync ends with booleans, add an enum for the DSI
transfer mode. This is much cleaner way to handle the DSI syncs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
To find out the DSI line buffer size we need to read HW registers. To
make it possible to do DSI configuration calculations without HW powered
up, store the line buffer size at DSI driver's probe.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We have a bunch of dsi functions that are used to do the basic
configuration for DSI. To simplify things, and to make sure we have all
the necessary information, create a single dsi config function, which
does the basic configuration.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dsi_configure_dispc_clocks() stores dsi func clock into unsigned long
long, but it should really be just unsigned long. Fix this.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
On OMAP5 the DISPC channels and DSI PLLs are not connected the same way.
LCD2 on OMAP5 cannot use any DSI PLL as a source clock, but LCD3 can use
DSI2's PLL.
This patch fixes dpi_get_dsidev() by adding separate case for OMAP5 to
handle the difference.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Taal panel driver has support to set rotation and mirroring. However,
these features cannot be used without causing tearing, and are never
used. The code is just extra bloat, so let's remove it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
During the initialization of the DSI protocol registers, we always set
the sources of all DSI channels to L4. However, we don't update the
value in the dsi_data, so we may end up with a different value in the
register and in the dsi_data, leading to DSI problems.
This patch fixes the issue by initializing also the channel source in
the dsi_data.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
We currently setup both DSI and DISPC related things when the DSI bus is
enabled. There's no need for DISPC related thing at that point, though,
but only later when the video output is enabled.
To make it possible to use the DSI bus before DISPC overlay manager is
selected, this patch moves DSI's DISPC initialization to
dsi_enable_video_output(), from omapdss_dsi_display_enable(). We also
move the selection of DISPC's LCD clock to dsi_enable_video_output.
This way there are no DISPC dependencies until the video output is
enabled.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
The DISPC channel used for each output is currently passed in panel
platform data from the board files.
To simplify this, and to make the panel drivers less dependent on OMAP,
this patch changes omapdss to resolve the channel independently. The
channel is resolved based on the OMAP version and, in case of DSI, the
DSI module id. This resolved channel is stored into a new field in
output, dispc_channel.
The few places where dssdev->channel was used are changed to use
output->recommended_channel. After this patch, dssdev->channel is
obsolete.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Add name field to omapdss's outputs so that in the following patches
panels refer to the output by their name. The name also helps debugging.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Move hdmi driver's output initialization a bit earlier, so that it
happens before hdmi panel init. In the future the hdmi panel will depend
on the output being ready.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
omap_dss_get_output() is a public function, but was missing
EXPORT_SYMBOL().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
dss_mgr_wait_for_vsync() uses dssdev->type to find out if the output is
going to VENC, HDMI, or something else. This creates a dependency on
dssdev, which we want to remove. The task is more logically done by
looking at the output to which the overlay manager in question is
connected to.
This patch changes the code to use output->id to find out which kind of
output we use.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Taal panel driver was originally meant to support multiple different DSI
command mode panel models. This never realized, and the multi-panel
support code is lying there unused, making the driver more difficult to
maintain.
This patch removes the multi-panel support from Taal driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
The role of struct omap_dss_device will change in the future. The exact
details of that are still a bit unclear. However, the less uses of
omap_dss_device we have, the easier the change is in the future.
This patch removes uses of omap_dss_device from dsi.c, where it can be
done easily. Mostly this means passing dsi platform device to functions,
instead of the omap_dss_device.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
The role of struct omap_dss_device will change in the future. The exact
details of that are still a bit unclear. However, the less uses of
omap_dss_device we have, the easier the change is in the future.
This patch removes uses of omap_dss_device from dpi.c, where it can be
done neatly, by, for example, passing some lower level parameter in
function parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
struct omap_dss_device contains HDMI clock divisors. The idea is that the
board file can pass precalculated divisors to the display driver.
However, these divsors are no longer needed, as the omapdss driver can
calculate the divisors during runtime.
This patch removes the divisors from omap_dss_device, and their uses
from the hdmi driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
struct omap_dss_device contains DSS clock divisors. The idea is that the
board file can pass precalculated divisors to the display driver.
However, these divsors are no longer needed, as the omapdss driver can
calculate the divisors during runtime.
This patch removes the divisors from omap_dss_device, and their uses
from the dsi driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Structs for platform data of omapdss panels are found in headers in the
'include/video/' path. Board files populate these structs with platform
specific values, and the panel driver uses these to configure the panel.
Currently, each panel has it's own header in the above path. Move all the
omapdss panel platform data structs to a single header omap-panel-data.h.
This is useful because:
- All other omapdss panel drivers will be modified to use platform data. This
would lead to a lot of panel headers usable only by omapdss. A lot of these
platform data structs are trivial, and don't really need a separate header.
- Platform data would be eventually removed, and platform information would be
passed via device tree. Therefore, omapdss panel platform data structs are
temporary, and will be easier to remove if they are all in the same header.
- All board files will have to include the same header to configure a panel's
platform data, that makes the board files more consistent.
Signed-off-by: Archit Taneja <archit@ti.com>
After a quiet set of fixes for 3.9-rc4, a lot of people woke up and sent
urgent fixes for 3.9. I pushed back on a number of them that got
deferred to 3.10, but these are the ones that seemed important.
Regression in 3.9:
- Multiple regressions in OMAP2+ clock cleanup
- SH-Mobile frame buffer bug fix that merged here because of maintainer MIA
- ux500 prcmu changes broke DT booting
- MMCI duplicated regulator setup on ux500
- New ux500 clock driver broke ethernet on snowball
- Local interrupt driver for mvebu broke ethernet
- MVEBU GPIO driver did not get set up right on Orion DT
- incorrect interrupt number on Orion crypto for DT
Long-standing bugs, including candidates for stable:
- Kirkwood MMC needs to disable invalid card detect pins
- MV SDIO pinmux was wrong on Mirabox
- GoFlex Net board file needs to set NAND chip delay
- MSM timer restart race
- ep93xx early debug code broke in 3.7
- i.MX CPU hotplug race
- Incorrect clock setup for OMAP1 USB
- Workaround for bad clock setup by some old OMAP4 boot loaders
- Static I/O mappings on cns3xxx since 3.2
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC bug fixes from Arnd Bergmann:
"After a quiet set of fixes for 3.9-rc4, a lot of people woke up and
sent urgent fixes for 3.9. I pushed back on a number of them that got
deferred to 3.10, but these are the ones that seemed important.
Regression in 3.9:
- Multiple regressions in OMAP2+ clock cleanup
- SH-Mobile frame buffer bug fix that merged here because of
maintainer MIA
- ux500 prcmu changes broke DT booting
- MMCI duplicated regulator setup on ux500
- New ux500 clock driver broke ethernet on snowball
- Local interrupt driver for mvebu broke ethernet
- MVEBU GPIO driver did not get set up right on Orion DT
- incorrect interrupt number on Orion crypto for DT
Long-standing bugs, including candidates for stable:
- Kirkwood MMC needs to disable invalid card detect pins
- MV SDIO pinmux was wrong on Mirabox
- GoFlex Net board file needs to set NAND chip delay
- MSM timer restart race
- ep93xx early debug code broke in 3.7
- i.MX CPU hotplug race
- Incorrect clock setup for OMAP1 USB
- Workaround for bad clock setup by some old OMAP4 boot loaders
- Static I/O mappings on cns3xxx since 3.2"
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: cns3xxx: fix mapping of private memory region
arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
arm: orion5x: correct IRQ used in dtsi for mv_cesa
arm: orion5x: fix orion5x.dtsi gpio parameters
ARM: Kirkwood: fix unused mvsdio gpio pins
arm: mvebu: Use local interrupt only for the timer 0
ARM: kirkwood: Fix chip-delay for GoFlex Net
ARM: ux500: Enable the clock controlling Ethernet on Snowball
ARM: ux500: Stop passing ios_handler() as an MMCI power controlling call-back
ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT
fbdev: sh_mobile_lcdc: fixup B side hsync adjust settings
ARM: OMAP: clocks: Delay clk inits atleast until slab is initialized
ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill
ARM: msm: Stop counting before reprogramming clockevent
ARM: ep93xx: Fix wait for UART FIFO to be empty
ARM: OMAP4: PM: fix PM regression introduced by recent clock cleanup
ARM: OMAP3: hwmod data: keep MIDLEMODE in force-standby for musb
ARM: OMAP4: clock data: lock USB DPLL on boot
ARM: OMAP1: fix USB host on 1710
platform_device_alloc could failed and return NULL,
we should check this before call platform_device_put.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
VESA_DMT_VSYNC_HIGH should be used instead of VESA_DMT_HSYNC_HIGH,
because FB_SYNC_VERT_HIGH_ACT is related to vsync, not to hsync.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Correct spelling typos in various part of printk.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* OMAP display fixes
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Merge tag 'fbdev-fixes-3.9-rc4' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev fixes from Tomi Valkeinen:
"Since Florian is still away/inactive, I volunteered to collect fbdev
fixes for 3.9 and changes for 3.10. I didn't receive any other fbdev
fixes than OMAP yet, but I didn't want to delay this further as
there's a compilation fix for OMAP1. So there could be still some
fbdev fixes on the way a bit later.
This contains:
- Fix OMAP1 compilation
- OMAP display fixes"
* tag 'fbdev-fixes-3.9-rc4' of git://gitorious.org/linux-omap-dss2/linux:
omapdss: features: fix supported outputs for OMAP4
OMAPDSS: tpo-td043 panel: fix data passing between SPI/DSS parts
omapfb: fix broken build on OMAP1
A fix from Morimoto-san to correct the horizontal location of output.
I apologise for this being posted late in the cycle.
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Merge tag 'renesas-fbdev-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
From Simon Horman <horms+renesas@verge.net.au>:
Renesas fbdev fixes for v3.9
A fix from Morimoto-san to correct the horizontal location of output.
I apologise for this being posted late in the cycle.
* tag 'renesas-fbdev-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
fbdev: sh_mobile_lcdc: fixup B side hsync adjust settings
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The lcdc B side horizon output is shifted
if sh_mobile_lcdc_pan() was called.
This patch fixup this issue.
It is tested on R8A7740 Armadillo800eva HDMI output.
Special thanks to Fukushima-san, and Sano-san
Reported-by: Osamu Fukushima <osamu.fukushima.wr@renesas.com>
Signed-off-by: Hideyuki Sano <hideyuki.sano.dn@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
