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path: root/drivers/gpu/host1x/hw
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2013-10-31gpu: host1x: Add syncpoint base supportArto Merilainen2-0/+26
This patch adds support for hardware syncpoint bases. This creates a simple mechanism to stall the command FIFO until an operation is completed. Signed-off-by: Arto Merilainen <[email protected]> Reviewed-by: Terje Bergstrom <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2013-10-31gpu: host1x: Add support for Tegra114Thierry Reding5-0/+607
Tegra114 uses a slightly updated version of host1x with an additional syncpoint. Signed-off-by: Thierry Reding <[email protected]>
2013-10-31gpu: host1x: Use relative include pathsThierry Reding6-24/+24
This is slightly safer than adding -Idrivers/gpu/host1x to cflags-y. Signed-off-by: Thierry Reding <[email protected]>
2013-10-31gpu: host1x: Expose syncpt and channel functionalityThierry Reding2-2/+0
Expose the buffer objects, syncpoint and channel functionality in the public public header so that drivers can use them. Signed-off-by: Thierry Reding <[email protected]>
2013-10-31gpu: host1x: Make host1x header file publicThierry Reding1-1/+2
In preparation to support host1x clients other than DRM, move this header into a public location. Signed-off-by: Thierry Reding <[email protected]>
2013-10-31gpu: host1x: Cleanup includesThierry Reding1-7/+0
Most of the included files are either not required or already included by some other header file. Signed-off-by: Thierry Reding <[email protected]>
2013-10-31gpu: host1x: Remove unused MakefileThierry Reding1-6/+0
Signed-off-by: Thierry Reding <[email protected]>
2013-06-22gpu: host1x: Rework CPU syncpoint incrementArto Merilainen2-8/+6
This patch merges host1x_syncpt_cpu_incr to host1x_syncpt_incr() as they are in practise doing the same thing. host1x_syncpt_incr() is also modified to return error codes. User space interface is modified accordingly to pass return values. Signed-off-by: Arto Merilainen <[email protected]> Acked-By: Terje Bergstrom <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2013-04-22gpu: host1x: Add debug supportTerje Bergstrom8-0/+491
Add support for host1x debugging. Adds debugfs entries, and dumps channel state to UART in case of stuck job. Signed-off-by: Arto Merilainen <[email protected]> Signed-off-by: Terje Bergstrom <[email protected]> Reviewed-by: Thierry Reding <[email protected]> Tested-by: Thierry Reding <[email protected]> Tested-by: Erik Faye-Lund <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2013-04-22gpu: host1x: Add channel supportTerje Bergstrom8-0/+881
Add support for host1x client modules, and host1x channels to submit work to the clients. Signed-off-by: Arto Merilainen <[email protected]> Signed-off-by: Terje Bergstrom <[email protected]> Reviewed-by: Thierry Reding <[email protected]> Tested-by: Thierry Reding <[email protected]> Tested-by: Erik Faye-Lund <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2013-04-22gpu: host1x: Add syncpoint wait and interruptsTerje Bergstrom3-0/+187
Add support for sync point interrupts, and sync point wait. Sync point wait used interrupts for unblocking wait. Signed-off-by: Arto Merilainen <[email protected]> Signed-off-by: Terje Bergstrom <[email protected]> Reviewed-by: Thierry Reding <[email protected]> Tested-by: Thierry Reding <[email protected]> Tested-by: Erik Faye-Lund <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2013-04-22gpu: host1x: Add host1x driverTerje Bergstrom6-0/+267
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 <[email protected]> Signed-off-by: Terje Bergstrom <[email protected]> Reviewed-by: Thierry Reding <[email protected]> Tested-by: Thierry Reding <[email protected]> Tested-by: Erik Faye-Lund <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
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