drm/tiny: add driver for Apple Touch Bars in x86 Macs

The Touch Bars found on x86 Macs support two USB configurations: one
where the device presents itself as a HID keyboard and can display
predefin

drm/tiny: add driver for Apple Touch Bars in x86 Macs

The Touch Bars found on x86 Macs support two USB configurations: one
where the device presents itself as a HID keyboard and can display
predefined sets of keys, and one where the operating system has full
control over what is displayed.

This commit adds support for the display functionality of the second
configuration. Functionality for the first configuration has been
merged in the HID tree.

Note that this driver has only been tested on T2 Macs, and only includes
the USB device ID for these devices. Testing on T1 Macs would be
appreciated.

Credit goes to Ben (Bingxing) Wang on GitHub for reverse engineering
most of the protocol.

Also, as requested by Andy, I would like to clarify the use of __packed
structs in this driver:

- All the packed structs are aligned except for appletbdrm_msg_information.
- We have to pack appletbdrm_msg_information since it is requirement of
the protocol.
- We compared binaries compiled by keeping the rest structs __packed and
not __packed using bloat-o-meter, and __packed was not affecting code
generation.
- To maintain consistency, rest structs have been kept __packed.

I would also like to point out that since the driver was reverse-engineered
the actual data types of the protocol might be different, including, but
not limited to, endianness.

Link: https://github.com/imbushuo/DFRDisplayKm
Signed-off-by: Kerem Karabay <[email protected]>
Co-developed-by: Atharva Tiwari <[email protected]>
Signed-off-by: Atharva Tiwari <[email protected]>
Co-developed-by: Aditya Garg <[email protected]>
Signed-off-by: Aditya Garg <[email protected]>
Signed-off-by: Aun-Ali Zaidi <[email protected]>
Reviewed-by: Thomas Zimmermann <[email protected]>
Signed-off-by: Thomas Zimmermann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/cirrus: Rename to cirrus-qemu

This driver is only for Qemu's emulated Cirrus hardware. Name it
accordingly.

Signed-off-by: Thomas Zimmermann <[email protected]>
Acked-by: Gerd Hoffmann <kraxe

drm/cirrus: Rename to cirrus-qemu

This driver is only for Qemu's emulated Cirrus hardware. Name it
accordingly.

Signed-off-by: Thomas Zimmermann <[email protected]>
Acked-by: Gerd Hoffmann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/tiny: Add driver for Sharp Memory LCD

Add support for the monochrome Sharp Memory LCDs.

Co-developed-by: Mehdi Djait <[email protected]>
Signed-off-by: Mehdi Djait <[email protected]

drm/tiny: Add driver for Sharp Memory LCD

Add support for the monochrome Sharp Memory LCDs.

Co-developed-by: Mehdi Djait <[email protected]>
Signed-off-by: Mehdi Djait <[email protected]>
Signed-off-by: Alex Lanzano <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>

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drm/ofdrm: Add ofdrm for Open Firmware framebuffers

Open Firmware provides basic display output via the 'display' node.
DT platform code already provides a device that represents the node's
framebuf

drm/ofdrm: Add ofdrm for Open Firmware framebuffers

Open Firmware provides basic display output via the 'display' node.
DT platform code already provides a device that represents the node's
framebuffer. Add a DRM driver for the device. The display mode and
color format is pre-initialized by the system's firmware. Runtime
modesetting via DRM is not possible. The display is useful during
early boot stages or as error fallback.

Similar functionality is already provided by fbdev's offb driver,
which is insufficient for modern userspace. The old driver includes
support for BootX device tree, which can be found on old 32-bit
PowerPC Macintosh systems. If these are still in use, the
functionality can be added to ofdrm or implemented in a new
driver. As with simpledrm, the fbdev driver cannot be selected if
ofdrm is already enabled.

Two notable points about the driver:

* Reading the framebuffer aperture from the device tree is not
reliable on all systems. Ofdrm takes the heuristics and a comment
from offb to pick the correct range.

* No resource management may be tied to the underlying PCI device.
Otherwise the handover to the native driver will fail with a resource
conflict. PCI management is therefore done as part of the platform
device's cleanup.

The driver has been tested on qemu's ppc64le emulation. The device
hand-over has been tested with bochs.

v5:
* use drm_atomic_helper_check_crtc_primary_plane()
v4:
* set preferred depth to the correct value
* set bpp value for console emulation
* output scanout-buffer parameters with drm_dbg()
v3:
* reintegrate FWFB helpers into ofdrm
* use damage iterator
* sync GEM BOs with drm_gem_fb_{begin,end}_cpu_access()
* fix various atomic_check helpers
* remove CRTC atomic_{enable,disable} (Javier)
* compute stride with drm_format_info_min_pitch() (Daniel)
v2:
* removed simple-pipe helpers
* built driver on top of FWFB helpers
* merged all init code into single function
* make PCI support optional (Michal)
* support COMPILE_TEST (Javier)

Signed-off-by: Thomas Zimmermann <[email protected]>
Reviewed-by: Javier Martinez Canillas <[email protected]>

convert
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/tiny: Add MIPI DBI compatible SPI driver

Add a driver that will work with most MIPI DBI compatible SPI panels.
This avoids adding a driver for every new MIPI DBI compatible controller
that is to

drm/tiny: Add MIPI DBI compatible SPI driver

Add a driver that will work with most MIPI DBI compatible SPI panels.
This avoids adding a driver for every new MIPI DBI compatible controller
that is to be used by Linux. The 'compatible' Device Tree property with
a '.bin' suffix will be used to load a firmware file that contains the
controller configuration.

Example (driver will load sainsmart18.bin):

display@0 {
compatible = "sainsmart18", "panel-mipi-dbi-spi";
...
};

v5:
- kconfig: s/DRM_KMS_CMA_HELPER/DRM_GEM_CMA_HELPER/ (Sam)
- kconfig: Add select VIDEOMODE_HELPERS (Sam)
- kconfig: Add wiki url in the description (Sam)
- Split out and use of_get_drm_panel_display_mode()(Sam)
- Only use the first compatible to look for a firmware file since the
binding mandates 2 compatibles.
- Make having a firmware file mandatory so we can print an error
message if it's missing to improve the user experience. It's very
unlikely that a controller doesn't need to be initialized and if
it doesn't, it's possible to have a firmware file containing only
a DCS NOP.

v4:
- Move driver to drm/tiny where the other drivers of its kind are located.
The driver module will not be shared with a future DPI driver after all.

v3:
- Move properties to DT (Maxime)
- The MIPI DPI spec has optional support for DPI where the controller is
configured over DBI. Rework the command functions so they can be moved
to drm_mipi_dbi and shared with a future panel-mipi-dpi-spi driver

v2:
- Drop model property and use compatible instead (Rob)
- Add wiki entry in MAINTAINERS

Acked-by: Maxime Ripard <[email protected]>
Reviewed-by: Sam Ravnborg <[email protected]>
Signed-off-by: Noralf Trønnes <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/tiny: add driver for newhaven, 1.8-128160EF

This patch adds support for Newhaven's NHD-1.8-128160EF display, featuring
an Ilitek ILI9163 controller.

Signed-off-by: Daniel Mack <[email protected]

drm/tiny: add driver for newhaven, 1.8-128160EF

This patch adds support for Newhaven's NHD-1.8-128160EF display, featuring
an Ilitek ILI9163 controller.

Signed-off-by: Daniel Mack <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Acked-by: Thomas Zimmermann <[email protected]>
Signed-off-by: Sam Ravnborg <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/bochs: Move to tiny/

The bochs driver is only ~600 lines of code. Putting it into tiny/
cleans up the DRM directory slightly. Some style problems were fixed
and unneeded include statements were

drm/bochs: Move to tiny/

The bochs driver is only ~600 lines of code. Putting it into tiny/
cleans up the DRM directory slightly. Some style problems were fixed
and unneeded include statements were removed. No functional changes.

v2:
* make bochs_mode_funcs static (Daniel, kernel test robot)
* rebase onto aperture API changes

Signed-off-by: Thomas Zimmermann <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm: Add simpledrm driver

The simpledrm driver is a DRM driver for simple-framebuffer framebuffers
as provided by the kernel's boot code. This driver enables basic
graphical output on many different

drm: Add simpledrm driver

The simpledrm driver is a DRM driver for simple-framebuffer framebuffers
as provided by the kernel's boot code. This driver enables basic
graphical output on many different graphics devices that are provided
by the platform (e.g., EFI, VESA, embedded framebuffers).

With the kernel's simple-framebuffer infrastructure, the kernel receives
a pre-configured framebuffer from the system (i.e., firmware, boot
loader). It creates a platform device to which simpledrm attaches.
The system's framebuffer consists of a memory range, size and format.
Based on these values, simpledrm creates a DRM devices. No actual
modesetting is possible.

A firmware framebuffer might also be specified via device-tree files. If
no device platform data is given, try the DT device node.

Make sure required hardware clocks and regulators are enabled while the
firmware framebuffer is in use. The basic code has been taken from the
simplefb driver and adapted to DRM. Clocks are released automatically
via devres helpers.

The drivers displays a console on simpledrm's framebuffer. The default
framebuffer format is being used.

v4:
* disable simplefb if simpledrm has been selected (Maxime)
v3:
* add disable function that clears screen to black (Daniel)
* set shadow buffering only for fbdev emulation
* set platform-driver data during device creation
v2:
* rename driver to simpledrm
* add dri-devel to MAINTAINERS entry
* put native format first in primary-plane format list (Daniel)
* inline simplekms_device_cleanup() (Daniel)
* use helpers for shadow-buffered planes
* fix whitespace errors
* add Device Tree match table
* clean-up parser wrappers
* use strscpy()

Signed-off-by: Thomas Zimmermann <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]> # fbdev support
Acked-by: Maxime Ripard <[email protected]>
Tested-by: nerdopolis <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/arc: Move to drm/tiny

Because it is.

v2: Delete now unused crtc funcs (0day)

Acked-by: Thomas Zimmermann <[email protected]>
Cc: Eugeniy Paltsev <[email protected]>
Signed-off-by:

drm/arc: Move to drm/tiny

Because it is.

v2: Delete now unused crtc funcs (0day)

Acked-by: Thomas Zimmermann <[email protected]>
Cc: Eugeniy Paltsev <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Alexey Brodkin <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/cirrus: Move to drm/tiny

Because it is. Huge congrats to everyone who made this kind of
refactoring happen!

Acked-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Thomas Zimmermann <tzimmerma

drm/cirrus: Move to drm/tiny

Because it is. Huge congrats to everyone who made this kind of
refactoring happen!

Acked-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Thomas Zimmermann <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: Gerd Hoffmann <[email protected]>
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/tiny: add support for tft displays based on ilitek,ili9486

This adds support fot ilitek,ili9486 based displays with shift register
in front of controller.
Ozzmaker,Piscreen and Waveshare,rpi-lcd

drm/tiny: add support for tft displays based on ilitek,ili9486

This adds support fot ilitek,ili9486 based displays with shift register
in front of controller.
Ozzmaker,Piscreen and Waveshare,rpi-lcd-35 are such displays.

Acked-by: Sam Ravnborg <[email protected]> (v4)
Reviewed-by: Noralf Tronnes <[email protected]> (v4)
Signed-off-by: Kamlesh Gurudasani <[email protected]>
Signed-off-by: Sam Ravnborg <[email protected]>
[fixed checkpatch warnings]
Link: https://patchwork.freedesktop.org/patch/msgid/a9c8065c3ef7707650630b3b21a0c01d725fc5a0.1581270802.git.kamlesh.gurudasani@gmail.com

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drm/gm12u320: Move driver to drm/tiny

Move the driver to the new haven for tiny DRM drivers.

Cc: Hans de Goede <[email protected]>
Suggested-by: Daniel Vetter <[email protected]>
Signed-off-

drm/gm12u320: Move driver to drm/tiny

Move the driver to the new haven for tiny DRM drivers.

Cc: Hans de Goede <[email protected]>
Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Noralf Trønnes <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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drm/tinydrm: Rename folder to tiny

The drm in tinydrm is superfluous so rename to tiny.

Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Noralf Trønnes <[email protected]>
Acked

drm/tinydrm: Rename folder to tiny

The drm in tinydrm is superfluous so rename to tiny.

Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Noralf Trønnes <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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