Naushir Patuck [Thu, 12 Mar 2020 14:09:38 +0000 (14:09 +0000)]
media: imx219: Advertise embedded data node on media pad 1
This commit updates the imx219 driver to adverise support for embedded
data streams. This can then be used by the bcm2835-unicam driver, which
has recently been updated to expose the embedded data stream to
userland.
The imx219 sensor subdevice overloads the media pad to differentiate
between image stream (pad 0) and embedded data stream (pad 1) when
performing the v4l2_subdev_pad_ops functions.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Laurent Pinchart [Tue, 24 Mar 2020 21:13:02 +0000 (23:13 +0200)]
media: bcm2835-unicam: Add support for the FRAME_SYNC event
The FRAME_SYNC event is useful for userspace image processing algorithms
to program the camera sensor as early as possible after frame start.
Support it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Laurent Pinchart [Tue, 24 Mar 2020 21:13:02 +0000 (23:13 +0200)]
media: bcm2835-unicam: Disable event-related ioctls on metadata node
The unicam driver supports both the SOURCE_CHANGE and CTRL events. Both
events are only generated on the image video node, so the event-related
ioctls are useless on the medatada node. Disable them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Naushir Patuck [Thu, 2 Apr 2020 15:08:51 +0000 (16:08 +0100)]
media: bcm2835-unicam: Use dummy buffer if none have been queued
If no buffer has been queued by a userland application, we use an
internal dummy buffer for the hardware to spin in. This will allow
the driver to release the existing userland buffer back to the
application for processing.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Naushir Patuck [Thu, 16 Apr 2020 10:35:41 +0000 (11:35 +0100)]
media: bcm2835-unicam: Add embedded data node.
This patch adds a new node in the bcm2835-unicam driver to support
CSI-2 embedded data streams. The subdevice is queried to see if
embedded data is available from the sensor.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Naushir Patuck [Tue, 7 Apr 2020 09:42:14 +0000 (10:42 +0100)]
media: bcm2835-unicam: Add support for mulitple device nodes.
Move device node specific state out of the device state structure and
into a new node structure. This separation will be needed for future
changes where we will add an embedded data node to the driver to work
alongside the existing image data node.
Currently only use a single image node, so this commit does not add
any functional changes.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Naushir Patuck [Tue, 21 Jan 2020 14:06:47 +0000 (14:06 +0000)]
media: uapi: Add MEDIA_BUS_FMT_SENSOR_DATA media bus format
This patch adds MEDIA_BUS_FMT_SENSOR_DATA used by the bcm2835-unicam
driver to support CSI-2 embedded data streams from camera sensors.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Naushir Patuck [Wed, 1 Apr 2020 07:46:29 +0000 (08:46 +0100)]
media: uapi: v4l2-core: Add sensor ancillary data V4L2 foucc type.
Add V4L2_META_FMT_SENSOR_DATA format 4CC.
This new format will be used by the BCM2835 Unicam device to return
out camera sensor embedded data.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Naushir Patuck [Wed, 1 Apr 2020 07:39:49 +0000 (08:39 +0100)]
media: bcm2835-unicam: Driver for CCP2/CSI2 camera interface
Add driver for the Unicam camera receiver block on
BCM283x processors.
This commit is made up of a series of changes cherry-picked from the
rpi-4.19.y branch.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Phil Elwell [Tue, 21 Apr 2020 10:30:23 +0000 (11:30 +0100)]
driver: char: rpivid: Don't map more than wanted
Limit mappings to the permitted range, but don't map more than asked
for otherwise we walk off the end of the allocated VMA.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Fri, 17 Apr 2020 09:46:19 +0000 (10:46 +0100)]
spi: Force CS_HIGH if GPIO descriptors are used
Commit
f3186dd87669 ("spi: Optionally use GPIO descriptors for CS GPIOs")
amended of_spi_parse_dt() to always set SPI_CS_HIGH for SPI slaves whose
Chip Select is defined by a "cs-gpios" devicetree property.
This change breaks drivers whose probe functions set the mode field of
the spi_device because in doing so they clear the SPI_CS_HIGH flag.
Fix by setting SPI_CS_HIGH in spi_setup (under the same conditions as
in of_spi_parse_dt()).
See also:
83b2a8fe43bd ("spi: spidev: Fix CS polarity if GPIO descriptors are used")
Fixes:
f3186dd87669 ("spi: Optionally use GPIO descriptors for CS GPIOs")
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
SQUASH: spi: Demote SPI_CS_HIGH warning to KERN_DEBUG
This warning is unavoidable from a client's perspective and
doesn't indicate anything wrong (just surprising).
SQUASH with "spi: use_gpio_descriptor fixup moved to spi_setup"
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Mon, 20 Apr 2020 21:18:52 +0000 (22:18 +0100)]
driver: char: rpivid: Remove legacy name support
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Wed, 8 Apr 2020 10:59:39 +0000 (11:59 +0100)]
overlays: Fix dtc warnings in i2c-gpio
Better late than never.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Dave Stevenson [Mon, 27 Jan 2020 10:22:44 +0000 (10:22 +0000)]
drm: Checking of the pitch is only valid for linear formats
framebuffer_check was computing a minimum pitch value and ensuring
that the provided value was greater than this.
That check is only valid if the format is linear.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Maxime Ripard [Thu, 13 Feb 2020 15:45:24 +0000 (16:45 +0100)]
dt-bindings: display: vc4: hdmi: Add BCM2711 HDMI controllers bindings
The HDMI controllers found in the BCM2711 SoC need some adjustments to the
bindings, especially since the registers have been shuffled around in more
register ranges.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Maxime Ripard [Thu, 13 Feb 2020 16:51:09 +0000 (17:51 +0100)]
dt-bindings: clock: Add a binding for the RPi Firmware clocks
The firmare running on the RPi VideoCore can be used to discover and
change the various clocks running in the BCM2711. Since devices will
need to use them through the DT, let's add a pretty simple binding.
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-clk@vger.kernel.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Maxime Ripard [Fri, 6 Dec 2019 12:05:27 +0000 (13:05 +0100)]
mmc: sdhci: Silence MMC warnings
When the MMC isn't plugged in, the driver will spam the console which is
pretty annoying when using NFS.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
John Cox [Thu, 5 Mar 2020 18:30:41 +0000 (18:30 +0000)]
staging: media: Add Raspberry Pi V4L2 H265 decoder
This driver is for the HEVC/H265 decoder block on the Raspberry
Pi 4, and conforms to the V4L2 stateless decoder API.
Signed-off-by: John Cox <jc@kynesim.co.uk>
Dave Stevenson [Tue, 17 Mar 2020 10:53:16 +0000 (10:53 +0000)]
media: dt-bindings: media: Add binding for the Raspberry PI HEVC decoder
Adds a binding for the HEVC decoder found on the BCM2711 / Raspberry Pi 4.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
John Cox [Thu, 5 Mar 2020 14:46:54 +0000 (14:46 +0000)]
media: v4l2-mem2mem: allow request job buffer processing after job finish
Allow the capture buffer to be detached from a v4l2 request job such
that another job can start before the capture buffer is returned. This
allows h/w codecs that can process multiple requests at the same time
to operate more efficiently.
Signed-off-by: John Cox <jc@kynesim.co.uk>
Dave Stevenson [Fri, 24 Jan 2020 14:28:21 +0000 (14:28 +0000)]
media: videodev2.h: Add a format for column YUV4:2:0 modes
Some of the Broadcom codec blocks use a column based YUV4:2:0 image
format, so add the documentation and defines for both 8 and 10 bit
versions.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Dave Stevenson [Mon, 23 Mar 2020 19:00:17 +0000 (19:00 +0000)]
media: uapi: Add hevc ctrls for WPP decoding
WPP can allow greater parallelism within the decode, but needs
offset information to be passed in.
Adds num_entry_point_offsets and entry_point_offset_minus1 to
v4l2_ctrl_hevc_slice_params.
This is based on Jernej Skrabec's patches for cedrus which
implement the same feature.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Dave Stevenson [Mon, 23 Mar 2020 18:34:01 +0000 (18:34 +0000)]
media: hevc_ctrls: Add slice param dependent slice segment
Adds V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT define.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Jernej Skrabec [Fri, 13 Dec 2019 16:04:27 +0000 (17:04 +0100)]
media: uapi: hevc: Add segment address field
From https://patchwork.linuxtv.org/patch/60725/
Changes requested, but mainly docs.
If HEVC frame consists of multiple slices, segment address has to be
known in order to properly decode it.
Add segment address field to slice parameters.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Jernej Skrabec [Fri, 13 Dec 2019 16:04:25 +0000 (17:04 +0100)]
media: uapi: hevc: Add scaling matrix control
Taken from https://patchwork.linuxtv.org/patch/60728/
Changes (mainly documentation) have been requested.
HEVC has a scaling matrix concept. Add support for it.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Dave Stevenson [Fri, 24 Jan 2020 14:22:06 +0000 (14:22 +0000)]
drm/fourcc: Add packed 10bit YUV 4:2:0 format
Adds a format that is 3 10bit YUV 4:2:0 samples packed into
a 32bit work (with 2 spare bits).
Supported on Broadcom BCM2711 chips.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
popcornmix [Wed, 1 Apr 2020 10:22:44 +0000 (11:22 +0100)]
bcmgenet: Disable skip_umac_reset by default
Possible fixed upstream by 'net: bcmgenet: keep MAC in reset until PHY is up'
Signed-off-by: popcornmix <popcornmix@gmail.com>
Nataliya Korovkina [Thu, 12 Mar 2020 21:22:53 +0000 (17:22 -0400)]
Kbuild: Allow .dtbo overlays to be built, adjust.
This is adjustment to commit
d368ceaacdccd7732dc97d1d7987bdf7149d62e3 "kbuild: Allow .dtbo overlays to be built piecemeal"
prepare3 target has gone from mainline tree in branch 5.4.y
Signed-off-by: Nataliya Korovkina <malus.brandywine@gmail.com>
Jim Quinlan [Mon, 15 Jan 2018 23:28:39 +0000 (18:28 -0500)]
dt-bindings: pci: Add DT docs for Brcmstb PCIe device
The DT bindings description of the Brcmstb PCIe device is described. This
node can be used by almost all Broadcom settop box chips, using
ARM, ARM64, or MIPS CPU architectures.
Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Phil Elwell [Thu, 6 Feb 2020 12:23:15 +0000 (12:23 +0000)]
of: overlay: Correct symbol path fixups
When symbols from overlays are added to the live tree their paths must
be rebased. The translated symbol is normally the result of joining
the fragment-relative path (with a leading "/") to the target path
(either copied directly from the "target-path" property or resolved
from the phandle). This translation fails when the target is the root
node (a common case for Raspberry Pi overlays) because the resulting
path starts with a double slash. For example, if target-path is "/" and
the fragment adds a node called "newnode", the label associated with
that node will be assigned the path "//newnode", which can't be found
in the tree.
Fix the failure case by explicitly replacing a target path of "/" with
an empty string.
Fixes:
d1651b03c2df ("of: overlay: add overlay symbols to live device tree")
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Mon, 2 Mar 2020 14:42:23 +0000 (14:42 +0000)]
video: fbdev: bcm2708_fb: Use common compat header
The definition of compat_ptr is now common for most platforms, but
requires the inclusion of <linux/compat.h>.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Mon, 2 Mar 2020 14:40:19 +0000 (14:40 +0000)]
drivers: char: vcio: Use common compat header
The definition of compat_ptr is now common for most platforms, but
requires the inclusion of <linux/compat.h>.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Tue, 25 Feb 2020 17:38:20 +0000 (17:38 +0000)]
pinctrl: bcm2835: Accept fewer than expected IRQs
The downstream .dts files only request two GPIO IRQs. Truncate the
array of parent IRQs when irq_of_parse_and_map returns 0.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Mon, 6 Jan 2020 14:05:42 +0000 (14:05 +0000)]
pinctrl: bcm2835: Change init order for gpio hogs
pinctrl-bcm2835 is a combined pinctrl/gpio driver. Currently the gpio
side is registered first, but this breaks gpio hogs (which are
configured during gpiochip_add_data). Part of the hog initialisation
is a call to pinctrl_gpio_request, and since the pinctrl driver hasn't
yet been registered this results in an -EPROBE_DEFER from which it can
never recover.
Change the initialisation sequence to register the pinctrl driver
first.
See: https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=260600
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Mon, 6 Jan 2020 16:04:30 +0000 (16:04 +0000)]
pinctrl: bcm2835: Remove gpiochip on error
A failure in gpiochip_irqchip_add leads to a leak of a gpiochip. Fix
the leak with the use of devm_gpiochip_add_data.
Fixes:
85ae9e512f43 ("pinctrl: bcm2835: switch to GPIOLIB_IRQCHIP")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Mon, 3 Feb 2020 17:30:46 +0000 (17:30 +0000)]
staging: vchiq_arm: Give vchiq children DT nodes
vchiq kernel clients are now instantiated as platform drivers rather
than using DT, but the children of the vchiq interface may still
benefit from access to DT properties. Give them the option of a
a sub-node of the vchiq parent for configuration and to allow
them to be disabled.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Luke Hinds [Wed, 22 Jan 2020 16:03:00 +0000 (16:03 +0000)]
Initialise rpi-firmware before clk-bcm2835
The IMA (Integrity Measurement Architecture) looks for a TPM (Trusted
Platform Module) having been registered when it initialises; otherwise
it assumes there is no TPM. It has been observed on BCM2835 that IMA
is initialised before TPM, and that initialising the BCM2835 clock
driver before the firmware driver has the effect of reversing this
order.
Change the firmware driver to initialise at core_initcall, delaying the
BCM2835 clock driver to postcore_initcall.
See: https://github.com/raspberrypi/linux/issues/3291
https://github.com/raspberrypi/linux/pull/3297
Signed-off-by: Luke Hinds <lhinds@redhat.com>
Co-authored-by: Phil Elwell <phil@raspberrypi.org>
Stefan Wahren [Fri, 27 Dec 2019 10:40:56 +0000 (11:40 +0100)]
ARM: bcm: Backport BCM2711 support from upstream
Make the BCM2711 a different machine, but keep it in board_bcm2835.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Dave Stevenson [Tue, 18 Jun 2019 11:15:50 +0000 (12:15 +0100)]
staging: vchiq: Use the old dma controller for OF config on platform devices
vchiq on Pi4 is no longer under the soc node, therefore it
doesn't get the dma-ranges for the VPU.
Switch to using the configuration of the old dma controller as
that will set the dma-ranges correctly.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Dave Stevenson [Tue, 29 Jan 2019 16:13:25 +0000 (16:13 +0000)]
staging: vchiq_arm: Set up dma ranges on child devices
The VCHIQ driver now loads the audio, camera, codec, and vc-sm
drivers as platform drivers. However they were not being given
the correct DMA configuration.
Call of_dma_configure with the parent (VCHIQ) parameters to be
inherited by the child.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Phil Elwell [Fri, 22 Nov 2019 16:23:32 +0000 (16:23 +0000)]
drm/v3d: Set dma_mask as well as coherent_dma_mask
Both coherent_dma_mask and dma_mask act as constraints on allocations
and bounce buffer usage, so be sure to set dma_mask to the appropriate
value otherwise the effective mask could be incorrect.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
popcornmix [Tue, 3 Sep 2019 19:28:00 +0000 (20:28 +0100)]
clk-bcm2835: Disable v3d clock
This is controlled by firmware, see clk-raspberrypi.c
Signed-off-by: popcornmix <popcornmix@gmail.com>
popcornmix [Mon, 9 Sep 2019 14:49:56 +0000 (15:49 +0100)]
clk-raspberrypi: Allow cpufreq driver to also adjust gpu clocks
For performance/power it is beneficial to adjust gpu clocks with arm clock.
This is how the downstream cpufreq driver works
Signed-off-by: popcornmix <popcornmix@gmail.com>
popcornmix [Thu, 5 Sep 2019 16:59:14 +0000 (17:59 +0100)]
v3d_gem: Kick the clock so firmware knows we are using firmware clock interface
Setting the v3d clock to low value allows firmware to handle dvfs in case
where v3d hardware is not being actively used (e.g. console use).
Signed-off-by: popcornmix <popcornmix@gmail.com>
popcornmix [Fri, 23 Aug 2019 15:34:38 +0000 (16:34 +0100)]
v3d_drv: Handle missing clock more gracefully
Signed-off-by: popcornmix <popcornmix@gmail.com>
James Hughes [Thu, 7 Nov 2019 14:59:59 +0000 (14:59 +0000)]
net:phy:2711 Change the default ethernet LED actions
This should return default behaviour back to that of previous
releases.
James Hughes [Thu, 31 Oct 2019 14:39:44 +0000 (14:39 +0000)]
net:phy:2711 Allow ethernet LED mode to be set via device tree
Add device tree entries and code to allow the specification of
the lighting modes for the LED's on the ethernet connector.
Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
Phil Elwell [Thu, 14 Nov 2019 11:59:01 +0000 (11:59 +0000)]
net: bcmgenet: The second IRQ is optional
As of 5.4, the kernel logs errors for absent IRQs unless requested
with platform_get_irq_optional.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Dave Stevenson [Wed, 6 Nov 2019 13:57:58 +0000 (13:57 +0000)]
staging: vchiq_arm: Register bcm2835-codec as a platform driver
Following the same pattern as bcm2835-camera and bcm2835-audio,
register the V4L2 codec driver as a platform driver
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Dave Stevenson [Wed, 6 Nov 2019 13:57:48 +0000 (13:57 +0000)]
staging: vchiq_arm: Register vcsm-cma as a platform driver
Following the same pattern as bcm2835-camera and bcm2835-audio,
register the vcsm-cma driver as a platform driver
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Phil Elwell [Tue, 12 Nov 2019 16:41:21 +0000 (16:41 +0000)]
drm/v3d: Plug dma_fence leak
The irq_fence and done_fence are given a reference that is never
released. The necessary dma_fence_put()s seem to have been
deleted in error in an earlier commit.
Fixes:
0b73676836b2 ("drm/v3d: Clock V3D down when not in use.")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Mon, 11 Nov 2019 20:18:08 +0000 (20:18 +0000)]
drm/v3d: Suppress all but the first MMU error
The v3d driver currently encounters a lot of MMU PTE exceptions, so
only log the first to avoid swamping the kernel log.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Mon, 11 Nov 2019 14:01:41 +0000 (14:01 +0000)]
drm/v3d: Don't clear MMU control bits on exception
MMU exception conditions are reported in the V3D_MMU_CTRL register as
write-1-to-clear (W1C) bits. The MMU interrupt handling code clears any
exceptions, but does so by masking out any other bits and writing the
result back. There are some important control bits in that register,
including MMU_ENABLE, so a safer approach is to simply write back the
value just read unaltered.
This patch doesn't remove the cause of the apparent PTE errors, but it
does reduce the impact to just an error in the kernel log.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Markus Proeller [Thu, 10 Oct 2019 17:12:36 +0000 (19:12 +0200)]
media: i2c: Add a driver for the Infineon IRS1125 depth sensor
The Infineon IRS1125 is a time of flight depth sensor that
has a CSI-2 interface.
Add a V4L2 subdevice driver for this device.
Signed-off-by: Markus Proeller <markus.proeller@pieye.org>
Markus Proeller [Thu, 10 Oct 2019 17:12:08 +0000 (19:12 +0200)]
dt-bindings: Add binding for the Infineon IRS1125 sensor
Adds a binding for the Infineon IRS1125 time-of-flight depth
sensor.
Signed-off-by: Markus Proeller <markus.proeller@pieye.org>
James Hughes [Tue, 24 Sep 2019 17:26:55 +0000 (18:26 +0100)]
Rename HDMI ALSA device names, check for enable state
HDMI Alsa devices renamed to match names used by DRM, to
HDMI 1 and HDMI 2
Check for which HDMI devices are connected and only create
devices for those that are present.
The rename of the devices might cause some backwards compatibility
issues, but since this particular part of the driver needs to be
specifically enabled, I suspect the number of people who will see
the problem will be very small.
Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
Stefan Wahren [Thu, 19 Sep 2019 18:45:30 +0000 (20:45 +0200)]
ARM: bcm: Switch board, clk and pinctrl to bcm2711 compatible
After the decision to use bcm2711 compatible for upstream, we should
switch all accepted compatibles to bcm2711. So we can boot with
one DTB the down- and the upstream kernel.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Phil Elwell [Mon, 23 Sep 2019 08:26:41 +0000 (09:26 +0100)]
kbuild: Allow .dtbo overlays to be built piecemeal
Before 4.20, it was possible to build an arbitrary overlay by copying
it to arm/boot/dts/overlays/mytest-overlay.dts and running:
make ARCH=arm overlays/mytest.dtbo
In 4.20 the .dtb build rules were centralised, requiring the dowstream
.dtbo build rules to be changed. They were, enough to support "make ...
dtbs", but not sufficiently to allow this ad-hoc, one-off building of
individual files.
Add the missing makefile rule to support this way of building.
See: https://github.com/raspberrypi/linux/issues/3250
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Wed, 18 Sep 2019 16:22:36 +0000 (17:22 +0100)]
drm/v3d: Delete pm_runtime support
The pm_runtime was blocking changelist submission, so delete it as a
temporary workaround.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Dave Stevenson [Fri, 6 Sep 2019 14:13:06 +0000 (15:13 +0100)]
staging: bcm2835-camera: Add greyworld AWB mode
This is mainly used for the NoIR camera which has no IR
filter and can completely confuse normal AWB presets.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Dave Stevenson [Fri, 6 Sep 2019 14:04:51 +0000 (15:04 +0100)]
v4l2: Add a Greyworld AWB mode.
Adds a simple greyworld white balance preset, mainly for use
with cameras without an IR filter (eg Raspberry Pi NoIR)
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Dave Stevenson [Wed, 28 Aug 2019 12:34:30 +0000 (13:34 +0100)]
media: dt-bindings: Add binding for the Sony IMX219 sensor
The IMX219 is an 8MPix CSI2 sensor, supporting 2 or 4 data lanes.
Document the binding for this device.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Phil Elwell [Tue, 3 Sep 2019 17:17:25 +0000 (18:17 +0100)]
arch/arm64: Add Revision, Serial, Model to cpuinfo
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Tue, 3 Sep 2019 17:16:56 +0000 (18:16 +0100)]
arch/arm: Add model string to cpuinfo
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Thu, 15 Aug 2019 11:02:34 +0000 (12:02 +0100)]
configs: arm64/bcm2711: Enable V3D
Enable the V3D driver, which depends on BCM2835_POWER.
Originally submitted by GitHub user 'phire' in a slightly different
form.
See: https://github.com/raspberrypi/linux/pull/3063
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Jonathan Bell [Tue, 13 Aug 2019 14:53:29 +0000 (15:53 +0100)]
xhci: Use more event ring segment table entries
Users have reported log spam created by "Event Ring Full" xHC event
TRBs. These are caused by interrupt latency in conjunction with a very
busy set of devices on the bus. The errors are benign, but throughput
will suffer as the xHC will pause processing of transfers until the
event ring is drained by the kernel. Expand the number of event TRB slots
available by increasing the number of event ring segments in the ERST.
Controllers have a hardware-defined limit as to the number of ERST
entries they can process, so make the actual number in use
min(ERST_MAX_SEGS, hw_max).
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Phil Elwell [Fri, 9 Aug 2019 07:51:43 +0000 (08:51 +0100)]
net: bcmgenet: Workaround #2 for Pi4 Ethernet fail
Some combinations of Pi 4Bs and Ethernet switches don't reliably get a
DCHP-assigned IP address, leaving the unit with a self=assigned 169.254
address. In the failure case, the Pi is left able to receive packets
but not send them, suggesting that the MAC<->PHY link is getting into
a bad state.
It has been found empirically that skipping a reset step by the genet
driver prevents the failures. No downsides have been discovered yet,
and unlike the forced renegotiation it doesn't increase the time to
get an IP address, so the workaround is enabled by default; add
genet.skip_umac_reset=n
to the command line to disable it.
See: https://github.com/raspberrypi/linux/issues/3108
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
James Hughes [Tue, 16 Jul 2019 11:18:21 +0000 (12:18 +0100)]
Add HDMI1 facility to the driver.
For generic ALSA, all you need is the bcm2835.h change, but
have also added structures for IEC958 HDMI. Not sure how to
test those.
Jonathan Bell [Thu, 1 Aug 2019 15:41:20 +0000 (16:41 +0100)]
hid: usb: Add device quirks for Freeway Airmouse T3 and MX3
These wireless mouse/keyboard combo remote control devices specify
multiple "wheel" events in their report descriptors. The wheel events
are incorrectly defined and apparently map to accelerometer data, leading
to spurious mouse scroll events being generated at an extreme rate when
the device is moved.
As a workaround, use HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE to mask
feeding the extra wheel events to the input subsystem.
See: https://github.com/raspberrypi/firmware/issues/1189
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Jonathan Bell [Thu, 9 May 2019 13:30:37 +0000 (14:30 +0100)]
drivers: char: add chardev for mmap'ing the RPiVid control registers
Based on the gpiomem driver, allow mapping of the decoder register
spaces such that userspace can access control/status registers.
This driver is intended for use with a custom ffmpeg backend accelerator
prior to a v4l2 driver being written.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
driver: char: rpivid: Destroy the legacy device on remove
The legacy name support created a new device that was never destroyed.
If the driver was unloaded and reloaded, it failed due to the
device already existing.
Fixes: "75f1d14 driver: char: rpivid - also support legacy name"
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
driver: char: rpivid: Clean up error handling use of ERR_PTR/IS_ERR
The driver used an unnecessary intermediate void* variable so it
only called ERR_PTR once to convert to the error value.
Switch to converting as the error arises to remove these intermediate
variables.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
driver: char: rpivid: Add error handling to the legacy device load
The return value from device_create for the legacy device was never
checked or handled. Add the required error handling.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
driver: char: rpivid: Fix coding style whitespace issues.
Makes checkpatch happier.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
driver: char: rpimem: Add SPDX licence header.
Stops checkpatch complaining.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
driver: char: rpivid: Fix access to freed memory
The error path during probe frees the private memory block, and
then promptly dereferences it to log an error message.
Use the base device instead of the pointer to it in the private
structure.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Eric Anholt [Thu, 2 May 2019 20:22:53 +0000 (13:22 -0700)]
drm/v3d: Clock V3D down when not in use.
My various attempts at re-enabling runtime PM have failed, so just
crank the clock down when V3D is idle to reduce power consumption.
Signed-off-by: Eric Anholt <eric@anholt.net>
Eric Anholt [Mon, 14 Jan 2019 23:13:17 +0000 (15:13 -0800)]
drm/v3d: HACK: gut runtime pm for now.
Something is still unstable -- on starting a new glxgears from an idle
X11, I get an MMU violation in high addresses. The CTS also failed
quite quickly. With this, CTS progresses for an hour before OOMing
(allocating some big buffers when my board only has 600MB available to
Linux)
Signed-off-by: Eric Anholt <eric@anholt.net>
popcornmix [Tue, 6 Aug 2019 14:23:14 +0000 (15:23 +0100)]
clk-bcm2835: Avoid null pointer exception
clk_desc_array[BCM2835_PLLB] doesn't exist so we dereference null when iterating
Signed-off-by: popcornmix <popcornmix@gmail.com>
Phil Elwell [Fri, 12 Jul 2019 14:38:35 +0000 (15:38 +0100)]
i2c: bcm2835: Set clock-stretch timeout to 35ms
The BCM2835 I2C blocks have a register to set the clock-stretch
timeout - how long the device is allowed to hold SCL low - in bus
cycles. The current driver doesn't write to the register, therefore
the default value of 64 cycles is being used for all devices.
Set the timeout to the value recommended for SMBus - 35ms.
See: https://github.com/raspberrypi/linux/issues/3064
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Jonathan Bell [Thu, 11 Jul 2019 16:55:43 +0000 (17:55 +0100)]
xhci: add quirk for host controllers that don't update endpoint DCS
Seen on a VLI VL805 PCIe to USB controller. For non-stream endpoints
at least, if the xHC halts on a particular TRB due to an error then
the DCS field in the Out Endpoint Context maintained by the hardware
is not updated with the current cycle state.
Using the quirk XHCI_EP_CTX_BROKEN_DCS and instead fetch the DCS bit
from the TRB that the xHC stopped on.
See: https://github.com/raspberrypi/linux/issues/3060
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Eric Anholt [Mon, 14 Jan 2019 22:47:57 +0000 (14:47 -0800)]
drm/v3d: Hook up the runtime PM ops.
In translating the runtime PM code from vc4, I missed the ".pm"
assignment to actually connect them up. Fixes missing MMU setup if
runtime PM resets V3D.
Signed-off-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit
ca197699af29baa8236c74c53d4904ca8957ee06)
Eric Anholt [Mon, 14 Jan 2019 20:35:43 +0000 (12:35 -0800)]
drm/v3d: Skip MMU flush if the device is currently off.
If it's off, we know it will be reset on poweron, so the MMU won't
have any TLB cached from before this point. Avoids failed waits for
MMU flush to reply.
Signed-off-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit
3ee4e2e0a9e9587eacbb69b067bbc72ab2cdc47b)
Eric Anholt [Fri, 5 Oct 2018 00:22:43 +0000 (17:22 -0700)]
drm/v3d: Add support for 2711.
Signed-off-by: Eric Anholt <eric@anholt.net>
Phil Elwell [Tue, 11 Jun 2019 16:38:28 +0000 (17:38 +0100)]
arm: bcm2835: Add bcm2838 compatible string.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Jonathan Bell [Tue, 11 Jun 2019 10:42:03 +0000 (11:42 +0100)]
usbhid: call usb_fixup_endpoint after mangling intervals
Lets the mousepoll override mechanism work with xhci.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Jonathan Bell [Tue, 11 Jun 2019 10:33:39 +0000 (11:33 +0100)]
xhci: implement xhci_fixup_endpoint for interval adjustments
Must be called in a non-atomic context, after the endpoint
has been registered with the hardware via xhci_add_endpoint
and before the first URB is submitted for the endpoint.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Jonathan Bell [Tue, 11 Jun 2019 09:55:00 +0000 (10:55 +0100)]
usb: add plumbing for updating interrupt endpoint interval state
xHCI caches device and endpoint data after the interface is configured,
so an explicit command needs to be issued for any device driver wanting
to alter the polling interval of an endpoint.
Add usb_fixup_endpoint() to allow drivers to do this. The fixup must be
called after calculating endpoint bandwidth requirements but before any
URBs are submitted.
If polling intervals are shortened, any bandwidth reservations are no
longer valid but in practice polling intervals are only ever relaxed.
Limit the scope to interrupt transfers for now.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Eric Anholt [Thu, 2 May 2019 22:24:04 +0000 (15:24 -0700)]
clk: bcm2835: Allow reparenting leaf clocks while they're running.
This falls under the same "we can reprogram glitch-free as long as we
pause generation" rule as updating the div/frac fields. This can be
used for runtime reclocking of V3D to manage power leakage.
Signed-off-by: Eric Anholt <eric@anholt.net>
Eric Anholt [Thu, 2 May 2019 22:11:05 +0000 (15:11 -0700)]
clk: bcm2835: Add support for setting leaf clock rates while running.
As long as you wait for !BUSY, you can do glitch-free updates of clock
rate while the clock is running.
Signed-off-by: Eric Anholt <eric@anholt.net>
Eric Anholt [Sat, 12 Jan 2019 01:31:07 +0000 (17:31 -0800)]
soc: bcm: bcm2835-pm: Add support for 2711.
Without the actual power management part any more, there's a lot less
to set up for V3D. We just need to clear the RSTN field for the power
domain, and expose the reset controller for toggling it again.
This is definitely incomplete -- the old ISP and H264 is in the old
bridge, but since we have no consumers of it I've just done the
minimum to get V3D working.
Signed-off-by: Eric Anholt <eric@anholt.net>
Phil Elwell [Wed, 23 Jan 2019 16:11:50 +0000 (16:11 +0000)]
clk-bcm2835: Don't wait for pllh lock
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Martin Sperl [Mon, 13 May 2019 11:05:27 +0000 (11:05 +0000)]
spi: bcm2835: enable shared interrupt support
Add shared interrupt support for this driver.
Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Tim Gover [Fri, 22 Mar 2019 09:47:14 +0000 (09:47 +0000)]
usb: xhci: Disable the XHCI 5 second timeout
If the VL805 EEPROM has not been programmed then boot will hang for five
seconds. The timeout seems to be arbitrary and is an unecessary
delay on the first boot. Remove the timeout.
This is common code and probably can't be upstreamed unless the timeout
can be configurable somehow or perhaps the XHCI driver can be skipped
on the first boot.
Jonathan Bell [Tue, 14 May 2019 16:17:59 +0000 (17:17 +0100)]
net: genet: enable link energy detect powerdown for external PHYs
There are several warts surrounding bcmgenet_mii_probe() as this
function is called from ndo_open, but it's calling registration-type
functions. The probe should be called at probe time and refactored
such that the PHY device data can be extracted to limit the scope
of this flag to Broadcom PHYs.
For now, pass this flag in as it puts our attached PHY into a low-power
state when disconnected.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Phil Elwell [Wed, 27 Mar 2019 13:45:46 +0000 (13:45 +0000)]
bcmgenet: Better coalescing parameter defaults
Set defaults for TX and RX packet coalescing to be equivalent to:
# ethtool -C eth0 tx-frames 10
# ethtool -C eth0 rx-usecs 50
This may be something we want to set via DT parameters in the
future.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Jonathan Bell [Wed, 12 Sep 2018 13:44:53 +0000 (14:44 +0100)]
bcmgenet: constrain max DMA burst length
popcornmix [Tue, 30 Apr 2019 18:15:30 +0000 (19:15 +0100)]
bcm2835-pcm.c: Support multichannel audio
Phil Elwell [Thu, 1 Nov 2018 17:31:37 +0000 (17:31 +0000)]
vchiq: Add 36-bit address support
Conditional on a new compatible string, change the pagelist encoding
such that the top 24 bits are the pfn, leaving 8 bits for run length
(-1).
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
staging/vchiq_arm: Fix bcm2711 compatible string
Fixes: "vchiq: Add 36-bit address support"
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Fri, 2 Aug 2019 14:20:11 +0000 (15:20 +0100)]
mmc: sdhci-iproc: Fix vmmc regulators on iProc
The Linux support for controlling card power via regulators appears to
be contentious. I would argue that the default behaviour is contrary to
the SDHCI spec - turning off the power writes a reserved value to the
SD Bus Voltage Select field of the Power Control Register, which
seems to kill the Arasan/iProc controller - but fortunately there is a
hook in sdhci_ops to override the behaviour. Borrow the implementation
from sdhci_arasan_set_power.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Stefan Wahren [Sat, 4 May 2019 15:06:15 +0000 (17:06 +0200)]
hwrng: iproc-rng200: Add BCM2838 support
The HWRNG on the BCM2838 is compatible to iproc-rng200, so add the
support to this driver instead of bcm2835-rng.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
hwrng: iproc-rng200: Correct SoC name
The Pi 4 SoC is called BCM2711, not BCM2838.
Fixes: "hwrng: iproc-rng200: Add BCM2838 support"
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Phil Elwell [Wed, 29 May 2019 14:47:42 +0000 (15:47 +0100)]
arm: bcm2835: DMA can only address 1GB
The legacy peripherals can only address the first gigabyte of RAM, so
ensure that DMA allocations are restricted to that region.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Wed, 20 Feb 2019 08:49:39 +0000 (08:49 +0000)]
arm: bcm2835: Fix FIQ early ioremap
The ioremapping creates mappings within the vmalloc area. The
equivalent early function, create_mapping, now checks that the
requested explicit virtual address is between VMALLOC_START and
VMALLOC_END. As there is no reason to have any correlation between
the physical and virtual addresses, put the required mappings at
VMALLOC_START and above.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Phil Elwell [Wed, 12 Jun 2019 16:15:05 +0000 (17:15 +0100)]
w1: w1-gpio: Make GPIO an output for strong pullup
The logic to drive the data line high to implement a strong pullup
assumed that the pin was already an output - setting a value does
not change an input.
See: https://github.com/raspberrypi/firmware/issues/1143
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Dave Stevenson [Thu, 2 May 2019 14:50:01 +0000 (15:50 +0100)]
staging: mmal-vchiq: Fix memory leak in error path
On error, vchiq_mmal_component_init could leave the
event context allocated for ports.
Clean them up in the error path.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Dave Stevenson [Wed, 1 May 2019 12:27:23 +0000 (13:27 +0100)]
staging: mmal-vchiq: Free the event context for control ports
vchiq_mmal_component_init calls init_event_context for the
control port, but vchiq_mmal_component_finalise didn't free
it, causing a memory leak..
Add the free call.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>