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Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort.
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort. |
Date: |
Fri, 16 Oct 2015 14:57:07 -0700 |
On Fri, Oct 16, 2015 at 6:41 AM, <address@hidden> wrote:
> From: KONRAD Frederic <address@hidden>
>
> This is the fifth version of this patch-set of the implementation of the
> Xilinx
> DisplayPort and DPDMA.
>
> This fifth version moves some headers files to the right directory.
>
> Second patch introduces an AUX bus needed by the DP to read the DPCD.
> It's also possible to connect an I2C device on it to to I2C through AUX
> commands. The drivers requires I2C broadcast write to be modeled as well which
> seems to be missing currently upstream.
>
> The tree can be cloned at:
> address@hidden:fkonrad/xilinx_dp.git branch xilinx_dp_v5_release
I can't seem to access this, is it public?
Thanks,
Alistair
>
> Details of the DPDMA part:
> * DPDMA is implemented as a QEMU SYSBUS device.
> * Interrupts are implemented except the axi error and fifo.
>
> Details of the XILINX-DP:
> * DP is also implemented as a QEMU SYSBUS. Multiple memory regions are used
> to
> avoid having a single big region as there are holes in the DP memory map.
> * An aux-bus has been implemented, it creates a memory map for aux slaves and
> has an i2c bus (which is already implemented in QEMU).
> * The normal programmable i2c clock and controller implementation is missing
> from the QEMU tree so the easiest way for us was to implement a dummy-clk
> driver in the kernel. It's a clock which does nothing but fakes a clock
> such
> that the DPDMA driver works. The patch will be send separately.
> * The graphic plane works on channel 3, video on channel 0 and audios on
> channel 4 and 5.
>
> Thanks,
> Fred
>
> V4 -> V5 changes:
> * aux:
> * Move the header include/hw => include/hw/misc
> * dpcd:
> * Move the header hw/display => include/hw/display
> * i2c-ddc:
> * Move the header hw/i2c => include/hw/i2c
> * xlnx_dpdma:
> * Move the header hw/dma => include/hw/dma
> * Fix some styles issues.
> * xlnx_dp:
> * Move the header hw/display => include/hw/display
> * globally:
> * Rebased on current master (c49d3411faae8ffaab8f7e5db47405a008411c10).
>
> V3 -> V4 changes:
> * xlnx_dpdma:
> * Initialize operation_finished during reset.
> * Add a function to trigger a VSYNC interrupt from the xlnx_dp.
> * xlnx_dp:
> * Fix the default pixman format for video buffer.
> * Remove unused buffer.
> * dpcd:
> * Add the missing DPCD_LANE_X_STATUS.
> * Set status field for all ports to avoid driver error.
> * Use 4 lines by default.
> * Use guest error in case of an outbound access.
> * i2c broadcast:
> * Use a list of device instead of relying on broadcast field to remove
> duped
> code.
> * other:
> * rebased on current master (774ee4772b6838b78741ea52d4bf26b8922244c5)
>
> V2 -> V3 changes:
> * dpcd:
> * Add a CONFIG_DPCD.
> * i2c-ddc:
> * Fill in VMSD.
> * aux:
> * Remove address field.
> * Add a CONFIG_AUX.
> * dpdma:
> * Fill in VMSD.
> * Some coding style changes.
> * dp:
> * Fill in VMSD.
> * Coding style changes.
>
> V1 -> V2 changes:
> * xlnx-zynqmp:
> * Remove the dummy object_property_add_child(..).
> * dpcd:
> * Compile only when the ZYNQMP platform is compiled.
> * Use qemu_log instead of printf.
> * Compile test debug traces.
> * Remove the unused current_reg.
> * Remove the blank realize.
> * Use dpcd_ prefixes instead of aux_ prefixes.
> * Add a reset callback.
> * Add the VMSD.
> * Add size constraint in the MemoryRegionOps structure instead of
> asserting.
> * Style fixes.
> * aux:
> * Compile only when the ZYNQMP platform is compiled.
> * Remove the class init and the class for aux-slave.
> * dpdma:
> * Compile only when the ZYNQMP platform is compiled.
> * Unify per channel macro in one, simplify the switch case.
> * Use extractXX.
> * Make DPDMA_GBL an or'ed register.
> * dp:
> * Compile only when the ZYNQMP platform is compiled.
> * Don't look at the audio channel count.
> * Use a third pixman plane when we do blending.
> * other:
> * Drop the useless "console: add qemu_alloc_display_format." patch as
> suggested by Gerd.
> * Rebase on current master (f3e3b083d4c266ea864ae3c83da49d4086857679).
>
> KONRAD Frederic (7):
> i2cbus: remove unused dev field
> introduce aux-bus
> i2c: implement broadcast write
> introduce dpcd module
> introduce xlnx-dpdma
> introduce xlnx-dp
> arm: xlnx-zynqmp: Add xlnx-dp and xlnx-dpdma
>
> Peter Maydell (1):
> hw/i2c-ddc.c: Implement DDC I2C slave
>
> default-configs/aarch64-softmmu.mak | 3 +
> hw/arm/xlnx-zynqmp.c | 20 +
> hw/display/Makefile.objs | 2 +
> hw/display/dpcd.c | 171 +++++
> hw/display/xlnx_dp.c | 1370
> +++++++++++++++++++++++++++++++++++
> hw/dma/Makefile.objs | 1 +
> hw/dma/xlnx_dpdma.c | 788 ++++++++++++++++++++
> hw/i2c/Makefile.objs | 1 +
> hw/i2c/core.c | 131 ++--
> hw/i2c/i2c-ddc.c | 302 ++++++++
> hw/misc/Makefile.objs | 1 +
> hw/misc/aux.c | 374 ++++++++++
> include/hw/arm/xlnx-zynqmp.h | 5 +
> include/hw/display/dpcd.h | 105 +++
> include/hw/display/xlnx_dp.h | 110 +++
> include/hw/dma/xlnx_dpdma.h | 85 +++
> include/hw/i2c/i2c-ddc.h | 36 +
> include/hw/misc/aux.h | 125 ++++
> 18 files changed, 3575 insertions(+), 55 deletions(-)
> create mode 100644 hw/display/dpcd.c
> create mode 100644 hw/display/xlnx_dp.c
> create mode 100644 hw/dma/xlnx_dpdma.c
> create mode 100644 hw/i2c/i2c-ddc.c
> create mode 100644 hw/misc/aux.c
> create mode 100644 include/hw/display/dpcd.h
> create mode 100644 include/hw/display/xlnx_dp.h
> create mode 100644 include/hw/dma/xlnx_dpdma.h
> create mode 100644 include/hw/i2c/i2c-ddc.h
> create mode 100644 include/hw/misc/aux.h
>
> --
> 1.9.0
>
>
- [Qemu-devel] [PATCH V5 3/8] i2c: implement broadcast write, (continued)
- [Qemu-devel] [PATCH V5 3/8] i2c: implement broadcast write, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 4/8] introduce dpcd module, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 2/8] introduce aux-bus, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 5/8] hw/i2c-ddc.c: Implement DDC I2C slave, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 8/8] arm: xlnx-zynqmp: Add xlnx-dp and xlnx-dpdma, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 7/8] introduce xlnx-dp, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 6/8] introduce xlnx-dpdma, fred . konrad, 2015/10/16
- Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort.,
Alistair Francis <=