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Enabling CONFIG_DISPLAY breaks building for some architectures
(microblaze-generic), so we disable CONFIG_DISPLAY in Kconfig
by default and enable this option in defconfigs. CONFIG_DISPLAY
depends on CONFIG_I2C_EDID, so add and enable it in defconfigs, too.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reported-by: Bin Meng <bmeng.cn@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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This patch adds basic support for the LCD controller of the Marvell
Armada XP SoC.
An AXP based custom board port will be added later, to use this
driver to display a splash screen via the bmp command later.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
[agust: rebased]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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Some rockchip SoCs include video output (VOP). Add a driver to support this.
It can output via a display driver (UCLASS_DISPLAY) and currently HDMI and
eDP are supported.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Some Rockchip SoCs support embedded DisplayPort output. Add a display driver
for this so that these displays can be used on supported boards.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Some Rockchip SoCs support HDMI output. Add a display driver for this so
that these displays can be used on supported boards.
Unfortunately this driver is not fully functional. It cannot reliably read
EDID information over HDMI. This seems to be due to the clocks being
incorrect - the I2C bus speed appears to be up to 100x slower than the
clock settings indicate. The root cause may be in the clock logic.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The current DisplayPort uclass is too specific. The operations it provides
are shared with other types of output devices, such as HDMI and LVDS LCD
displays.
Generalise the uclass so that it can be used with these devices as well.
Adjust the uclass to handle the EDID reading and conversion to
display_timing internally.
Also update nyan-big which is affected by this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Most panels are very simple - they just have a power supply and a backlight.
Add a driver which supports this and implements the enable_backlight()
method.
Signed-off-by: Simon Glass <sjg@chromium.org>
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LCD panels can usefully be modelled as their own uclass. They can be probed
(which powers them up ready for use). If they have a backlight, this can be
enabled.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Many backlights need to use a PWM to control the brightness. Add a driver
for this. It understands the standard device tree binding.
Signed-off-by: Simon Glass <sjg@chromium.org>
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LCD panels normally have a backlight which can be controlled to illuminate
the LCD contents. Add a uclass to support this. Initially it only has a
method to enable the backlight.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Some video bridges will not have GPIOs to control reset, etc. Allow these
to be optional.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Allow the cache-flushing function of a video device to be controlled.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We must use the console name in the 'stdout' variable to select the one
we want. At present the name is formed from the driver name with a suffix
indicating the rotation value.
It seems better to name them sequentially since this can be controlled by
driver order. So adjust the code to use 'vidconsole' for the first,
'vidconsole1' for the second, etc.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add tests that check that the video console is working correcty. Also check
that text output produces the expected result. Test coverage includes
character output, wrapping and scrolling.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Now that driver model support is available, convert sandbox over to use it.
We can remove a few of the special hooks that sandbox currently has.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Move this option to Kconfig. This is quite simple as only sandbox uses the
driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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This command can use the bitmap display code in the uclass. This is similar
to the code in lcd.c and cfb_console.c. These other copies will go away when
all boards are converted to use driver model for video.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Sometimes the console must be rotated. Add a driver which supports rotating
the text clockwise to 90, 180 and 270 degrees. This can support devices
where the display is rotated for mechanical reasons.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Most of the time we don't need to rotate the display so a simple font
blitting feature is enough for our purposes. Add a simple driver which
supports this function. It provides text output on the console using
the standard 8x16-pixel font.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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The existing LCD/video interface suffers from conflating the bitmap display
with text output on that display. As a result the implementation is more
complex than it needs to me.
We can support multiple text console drivers. Create a separate uclass to
support this, with its own API.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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U-Boot has separate code for LCDs and 'video' devices. Both now use a
very similar API thanks to earlier work by Nikita Kiryanov. With the driver-
model conversion we should unify these into a single uclass.
Unfortunately there are different features supported by each. This
implementation provides for a common set of features which should serve
most purposes. The intent is to support:
- bitmap devices with 8, 16 and 32 bits per pixel
- text console wih white on black or vice versa
- rotated text console
- bitmap display (BMP format)
More can be added as additional boards are ported over to use driver model
for video.
The name 'video' is chosen for the uclass since it is more generic than LCD.
Another option would be 'display' but that would introduce a third concept
to U-Boot which seems like the wrong approach.
The existing LCD and video init functions are not needed now, so this uclass
makes no attempt to implement them.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Adjust these files to use the driver-model PCI API instead of the legacy
functions.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
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Aesthetic cleanup in drivers/video/exynos_dp*.[ch] files.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
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We need to access reg stp_rep9, but not stp_rep[(9 - 1) / 2].
If using "__raw_writel(0, DI_STP_REP(disp, 9))", this will exceeds
the size of stp_rep array.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Acked-by: Liu Ying <Ying.Liu@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
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Simplify if/else code, since if channel equals to MEM_BG_SYNC or
MEM_FG_SYNC, we have value 5 for 'dc_chan'.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Stefano Babic <sbabic@denx.de>
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Now that i8042 uses driver model, adjust other mentions of it and remove old
code that is no-longer used. Update the README and unify the keyboard text
into one place.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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CONFIG_CONSOLE_CURSOR, CONFIG_SYS_CONSOLE_BLINK_COUNT and
CONFIG_CONSOLE_TIME are not used by any board. The implementation is not
great and stands in the way of a refactor of i8042. Drop these for now.
They can be re-introduced quite easily later, perhaps with driver-model
real-time-clock (RTC) support.
When reintroducing, it might be useful to make a few changes:
- Blink time would be more useful than blink count
- The confusing #ifdefs should be avoided
- The time functions should support driver model
- It would be best keyed off console_tstc() or some similar idle loop
rather than a particular input driver (i8042 in this case)
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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Introudce a new function lcdif_power_down.
1. Waits for a VSYNC interrupt to guarantee the reset is done at the
VSYNC edge, which somehow makes the LCDIF consume the display FIFO(?)
and helps the LCDIF work normally at the kernel stage.
2. Add power down function to stop lcdif.
The reason to introduce lcdif_power_down is that we want lcdif to be in
initial state when doing uboot reset or before kernel boot to make
system stable, otherwise system may hang.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Change mxs_set_lcdclk prototype to add a new parameter
base_addr. There are two LCD interfaces for i.MX6SX,
we may support LCDIF1 or LCDIF2.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
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DEV_EXT_VIDEO does not have any actual meaning, hence drop it.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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DEV_FLAGS_SYSTEM does not have any actual meaning, hence drop it.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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Add 32bpp framebuffer support for the Atmel HLCDC driver. This is
needed for output bpp higher than 16bpp.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
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When pci_find_class() fails to find a device, it returns -ENODEV.
But now we check the return value against -1. Fix it.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Stop prefixing the axp functions for setting voltages, etc. with the
model number, there ever is only one pmic driver built into u-boot,
this allows simplifying the callers.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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This reverts commit 8fe11b8901a31d11990488c82bc23612589d57be.
I'll add support to lwmon5 in the next patch and will remove
support for the broken lcd4_lwmon5 as well.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
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introduce BIT() definition, used in at91_udc gadget
driver.
Signed-off-by: Heiko Schocher <hs@denx.de>
[remove all other occurrences of BIT(x) definition]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
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Now that we have a new header file for cache-aligned allocation, we should
move the stack-based allocation macro there also.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This has not been converted to Generic Board, so should be removed.
(See doc/README.generic-board for details.)
Remove CONFIG_LWMON5 references.
(Also, remove undefined CONFIG_WD_MAX_RATE while I am here.)
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Stefan Roese <sr@denx.de>
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make the spi bus and the spi chipselect configurable
for the lg4573 driver. Use it on the aristainetos
boards.
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
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This is a convenient way for a driver to get the hardware address of a
device, when regmap or syscon are not being used. Change existing callers
to use it as an example to others.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
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Discard the empty video_set_lut function from platform video
drivers.
This commit "69d275458893eaec35229b589092c2a6bde5440f" introduces
a weak function video_set_lut, so we do not need an strong function
in platform drivers, which does nothing.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Remove unused CONFIG_USE_CPCIDVI wrapped codes.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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So far if CONFIG_VGA_AS_SINGLE_DEVICE is not defined, the VGA device
will try to initialize a keyboard device (for x86, it is i8042). But
if i8042 controller initialization fails (eg: there is no keyboard
connected to the PS/2 port), drv_video_init() just simply returns.
This kills the opportunity of using a usb keyboard later with the vga
console, as the vga initialization part is actually ok, only keyboard
part fails. Change the code logic to allow this.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
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